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334
README.md
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@ -9,28 +9,30 @@ https://camo.githubusercontent.com/915b7be44ada53c290eb157634330494ebe3e30a/6874
[![Travis](https://travis-ci.org/ethereum/go-ethereum.svg?branch=master)](https://travis-ci.org/ethereum/go-ethereum)
[![Discord](https://img.shields.io/badge/discord-join%20chat-blue.svg)](https://discord.gg/nthXNEv)
Automated builds are available for stable releases and the unstable master branch.
Binary archives are published at https://geth.ethereum.org/downloads/.
Automated builds are available for stable releases and the unstable master branch. Binary
archives are published at https://geth.ethereum.org/downloads/.
## Building the source
For prerequisites and detailed build instructions please read the
[Installation Instructions](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum)
on the wiki.
For prerequisites and detailed build instructions please read the [Installation Instructions](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum) on the wiki.
Building geth requires both a Go (version 1.10 or later) and a C compiler.
You can install them using your favourite package manager.
Once the dependencies are installed, run
Building `geth` requires both a Go (version 1.10 or later) and a C compiler. You can install
them using your favourite package manager. Once the dependencies are installed, run
make geth
```shell
make geth
```
or, to build the full suite of utilities:
make all
```shell
make all
```
## Executables
The go-ethereum project comes with several wrappers/executables found in the `cmd` directory.
The go-ethereum project comes with several wrappers/executables found in the `cmd`
directory.
| Command | Description |
| :-----------: | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
@ -42,269 +44,301 @@ The go-ethereum project comes with several wrappers/executables found in the `cm
| `rlpdump` | Developer utility tool to convert binary RLP ([Recursive Length Prefix](https://github.com/ethereum/wiki/wiki/RLP)) dumps (data encoding used by the Ethereum protocol both network as well as consensus wise) to user-friendlier hierarchical representation (e.g. `rlpdump --hex CE0183FFFFFFC4C304050583616263`). |
| `puppeth` | a CLI wizard that aids in creating a new Ethereum network. |
## Running geth
## Running `geth`
Going through all the possible command line flags is out of scope here (please consult our
[CLI Wiki page](https://github.com/ethereum/go-ethereum/wiki/Command-Line-Options)), but we've
enumerated a few common parameter combos to get you up to speed quickly on how you can run your
own Geth instance.
[CLI Wiki page](https://github.com/ethereum/go-ethereum/wiki/Command-Line-Options)),
but we've enumerated a few common parameter combos to get you up to speed quickly
on how you can run your own `geth` instance.
### Full node on the main Ethereum network
By far the most common scenario is people wanting to simply interact with the Ethereum network:
create accounts; transfer funds; deploy and interact with contracts. For this particular use-case
the user doesn't care about years-old historical data, so we can fast-sync quickly to the current
state of the network. To do so:
By far the most common scenario is people wanting to simply interact with the Ethereum
network: create accounts; transfer funds; deploy and interact with contracts. For this
particular use-case the user doesn't care about years-old historical data, so we can
fast-sync quickly to the current state of the network. To do so:
```
```shell
$ geth console
```
This command will:
* Start geth in fast sync mode (default, can be changed with the `--syncmode` flag), causing it to
download more data in exchange for avoiding processing the entire history of the Ethereum network,
which is very CPU intensive.
* Start up Geth's built-in interactive [JavaScript console](https://github.com/ethereum/go-ethereum/wiki/JavaScript-Console),
* Start `geth` in fast sync mode (default, can be changed with the `--syncmode` flag),
causing it to download more data in exchange for avoiding processing the entire history
of the Ethereum network, which is very CPU intensive.
* Start up `geth`'s built-in interactive [JavaScript console](https://github.com/ethereum/go-ethereum/wiki/JavaScript-Console),
(via the trailing `console` subcommand) through which you can invoke all official [`web3` methods](https://github.com/ethereum/wiki/wiki/JavaScript-API)
as well as Geth's own [management APIs](https://github.com/ethereum/go-ethereum/wiki/Management-APIs).
This tool is optional and if you leave it out you can always attach to an already running Geth instance
with `geth attach`.
as well as `geth`'s own [management APIs](https://github.com/ethereum/go-ethereum/wiki/Management-APIs).
This tool is optional and if you leave it out you can always attach to an already running
`geth` instance with `geth attach`.
### A Full node on the Ethereum test network
Transitioning towards developers, if you'd like to play around with creating Ethereum contracts, you
almost certainly would like to do that without any real money involved until you get the hang of the
entire system. In other words, instead of attaching to the main network, you want to join the **test**
network with your node, which is fully equivalent to the main network, but with play-Ether only.
Transitioning towards developers, if you'd like to play around with creating Ethereum
contracts, you almost certainly would like to do that without any real money involved until
you get the hang of the entire system. In other words, instead of attaching to the main
network, you want to join the **test** network with your node, which is fully equivalent to
the main network, but with play-Ether only.
```
```shell
$ geth --testnet console
```
The `console` subcommand has the exact same meaning as above and they are equally useful on the
testnet too. Please see above for their explanations if you've skipped here.
The `console` subcommand has the exact same meaning as above and they are equally
useful on the testnet too. Please see above for their explanations if you've skipped here.
Specifying the `--testnet` flag, however, will reconfigure your Geth instance a bit:
Specifying the `--testnet` flag, however, will reconfigure your `geth` instance a bit:
* Instead of using the default data directory (`~/.ethereum` on Linux for example), Geth will nest
itself one level deeper into a `testnet` subfolder (`~/.ethereum/testnet` on Linux). Note, on OSX
and Linux this also means that attaching to a running testnet node requires the use of a custom
endpoint since `geth attach` will try to attach to a production node endpoint by default. E.g.
`geth attach <datadir>/testnet/geth.ipc`. Windows users are not affected by this.
* Instead of connecting the main Ethereum network, the client will connect to the test network,
which uses different P2P bootnodes, different network IDs and genesis states.
*Note: Although there are some internal protective measures to prevent transactions from crossing
over between the main network and test network, you should make sure to always use separate accounts
for play-money and real-money. Unless you manually move accounts, Geth will by default correctly
separate the two networks and will not make any accounts available between them.*
* Instead of using the default data directory (`~/.ethereum` on Linux for example), `geth`
will nest itself one level deeper into a `testnet` subfolder (`~/.ethereum/testnet` on
Linux). Note, on OSX and Linux this also means that attaching to a running testnet node
requires the use of a custom endpoint since `geth attach` will try to attach to a
production node endpoint by default. E.g.
`geth attach <datadir>/testnet/geth.ipc`. Windows users are not affected by
this.
* Instead of connecting the main Ethereum network, the client will connect to the test
network, which uses different P2P bootnodes, different network IDs and genesis states.
*Note: Although there are some internal protective measures to prevent transactions from
crossing over between the main network and test network, you should make sure to always
use separate accounts for play-money and real-money. Unless you manually move
accounts, `geth` will by default correctly separate the two networks and will not make any
accounts available between them.*
### Full node on the Rinkeby test network
The above test network is a cross-client one based on the ethash proof-of-work consensus algorithm. As such, it has certain extra overhead and is more susceptible to reorganization attacks due to the network's low difficulty/security. Go Ethereum also supports connecting to a proof-of-authority based test network called [*Rinkeby*](https://www.rinkeby.io) (operated by members of the community). This network is lighter, more secure, but is only supported by go-ethereum.
The above test network is a cross-client one based on the ethash proof-of-work consensus
algorithm. As such, it has certain extra overhead and is more susceptible to reorganization
attacks due to the network's low difficulty/security. Go Ethereum also supports connecting
to a proof-of-authority based test network called [*Rinkeby*](https://www.rinkeby.io)
(operated by members of the community). This network is lighter, more secure, but is only
supported by go-ethereum.
```
```shell
$ geth --rinkeby console
```
### Configuration
As an alternative to passing the numerous flags to the `geth` binary, you can also pass a configuration file via:
As an alternative to passing the numerous flags to the `geth` binary, you can also pass a
configuration file via:
```
```shell
$ geth --config /path/to/your_config.toml
```
To get an idea how the file should look like you can use the `dumpconfig` subcommand to export your existing configuration:
To get an idea how the file should look like you can use the `dumpconfig` subcommand to
export your existing configuration:
```
```shell
$ geth --your-favourite-flags dumpconfig
```
*Note: This works only with geth v1.6.0 and above.*
*Note: This works only with `geth` v1.6.0 and above.*
#### Docker quick start
One of the quickest ways to get Ethereum up and running on your machine is by using Docker:
One of the quickest ways to get Ethereum up and running on your machine is by using
Docker:
```
```shell
docker run -d --name ethereum-node -v /Users/alice/ethereum:/root \
-p 8545:8545 -p 30303:30303 \
ethereum/client-go
```
This will start geth in fast-sync mode with a DB memory allowance of 1GB just as the above command does. It will also create a persistent volume in your home directory for saving your blockchain as well as map the default ports. There is also an `alpine` tag available for a slim version of the image.
This will start `geth` in fast-sync mode with a DB memory allowance of 1GB just as the
above command does. It will also create a persistent volume in your home directory for
saving your blockchain as well as map the default ports. There is also an `alpine` tag
available for a slim version of the image.
Do not forget `--rpcaddr 0.0.0.0`, if you want to access RPC from other containers and/or hosts. By default, `geth` binds to the local interface and RPC endpoints is not accessible from the outside.
Do not forget `--rpcaddr 0.0.0.0`, if you want to access RPC from other containers
and/or hosts. By default, `geth` binds to the local interface and RPC endpoints is not
accessible from the outside.
### Programmatically interfacing Geth nodes
### Programmatically interfacing `geth` nodes
As a developer, sooner rather than later you'll want to start interacting with Geth and the Ethereum
network via your own programs and not manually through the console. To aid this, Geth has built-in
support for a JSON-RPC based APIs ([standard APIs](https://github.com/ethereum/wiki/wiki/JSON-RPC) and
[Geth specific APIs](https://github.com/ethereum/go-ethereum/wiki/Management-APIs)). These can be
exposed via HTTP, WebSockets and IPC (UNIX sockets on UNIX based platforms, and named pipes on Windows).
As a developer, sooner rather than later you'll want to start interacting with `geth` and the
Ethereum network via your own programs and not manually through the console. To aid
this, `geth` has built-in support for a JSON-RPC based APIs ([standard APIs](https://github.com/ethereum/wiki/wiki/JSON-RPC)
and [`geth` specific APIs](https://github.com/ethereum/go-ethereum/wiki/Management-APIs)).
These can be exposed via HTTP, WebSockets and IPC (UNIX sockets on UNIX based
platforms, and named pipes on Windows).
The IPC interface is enabled by default and exposes all the APIs supported by Geth, whereas the HTTP
and WS interfaces need to manually be enabled and only expose a subset of APIs due to security reasons.
These can be turned on/off and configured as you'd expect.
The IPC interface is enabled by default and exposes all the APIs supported by `geth`,
whereas the HTTP and WS interfaces need to manually be enabled and only expose a
subset of APIs due to security reasons. These can be turned on/off and configured as
you'd expect.
HTTP based JSON-RPC API options:
* `--rpc` Enable the HTTP-RPC server
* `--rpcaddr` HTTP-RPC server listening interface (default: "localhost")
* `--rpcport` HTTP-RPC server listening port (default: 8545)
* `--rpcapi` API's offered over the HTTP-RPC interface (default: "eth,net,web3")
* `--rpcaddr` HTTP-RPC server listening interface (default: `localhost`)
* `--rpcport` HTTP-RPC server listening port (default: `8545`)
* `--rpcapi` API's offered over the HTTP-RPC interface (default: `eth,net,web3`)
* `--rpccorsdomain` Comma separated list of domains from which to accept cross origin requests (browser enforced)
* `--ws` Enable the WS-RPC server
* `--wsaddr` WS-RPC server listening interface (default: "localhost")
* `--wsport` WS-RPC server listening port (default: 8546)
* `--wsapi` API's offered over the WS-RPC interface (default: "eth,net,web3")
* `--wsaddr` WS-RPC server listening interface (default: `localhost`)
* `--wsport` WS-RPC server listening port (default: `8546`)
* `--wsapi` API's offered over the WS-RPC interface (default: `eth,net,web3`)
* `--wsorigins` Origins from which to accept websockets requests
* `--ipcdisable` Disable the IPC-RPC server
* `--ipcapi` API's offered over the IPC-RPC interface (default: "admin,debug,eth,miner,net,personal,shh,txpool,web3")
* `--ipcapi` API's offered over the IPC-RPC interface (default: `admin,debug,eth,miner,net,personal,shh,txpool,web3`)
* `--ipcpath` Filename for IPC socket/pipe within the datadir (explicit paths escape it)
You'll need to use your own programming environments' capabilities (libraries, tools, etc) to connect
via HTTP, WS or IPC to a Geth node configured with the above flags and you'll need to speak [JSON-RPC](https://www.jsonrpc.org/specification)
on all transports. You can reuse the same connection for multiple requests!
You'll need to use your own programming environments' capabilities (libraries, tools, etc) to
connect via HTTP, WS or IPC to a `geth` node configured with the above flags and you'll
need to speak [JSON-RPC](https://www.jsonrpc.org/specification) on all transports. You
can reuse the same connection for multiple requests!
**Note: Please understand the security implications of opening up an HTTP/WS based transport before
doing so! Hackers on the internet are actively trying to subvert Ethereum nodes with exposed APIs!
Further, all browser tabs can access locally running web servers, so malicious web pages could try to
subvert locally available APIs!**
**Note: Please understand the security implications of opening up an HTTP/WS based
transport before doing so! Hackers on the internet are actively trying to subvert
Ethereum nodes with exposed APIs! Further, all browser tabs can access locally
running web servers, so malicious web pages could try to subvert locally available
APIs!**
### Operating a private network
Maintaining your own private network is more involved as a lot of configurations taken for granted in
the official networks need to be manually set up.
Maintaining your own private network is more involved as a lot of configurations taken for
granted in the official networks need to be manually set up.
#### Defining the private genesis state
First, you'll need to create the genesis state of your networks, which all nodes need to be aware of
and agree upon. This consists of a small JSON file (e.g. call it `genesis.json`):
First, you'll need to create the genesis state of your networks, which all nodes need to be
aware of and agree upon. This consists of a small JSON file (e.g. call it `genesis.json`):
```json
{
"config": {
"chainId": 0,
"homesteadBlock": 0,
"eip155Block": 0,
"eip158Block": 0
},
"alloc" : {},
"coinbase" : "0x0000000000000000000000000000000000000000",
"difficulty" : "0x20000",
"extraData" : "",
"gasLimit" : "0x2fefd8",
"nonce" : "0x0000000000000042",
"mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
"timestamp" : "0x00"
"chainId": 0,
"homesteadBlock": 0,
"eip155Block": 0,
"eip158Block": 0
},
"alloc": {},
"coinbase": "0x0000000000000000000000000000000000000000",
"difficulty": "0x20000",
"extraData": "",
"gasLimit": "0x2fefd8",
"nonce": "0x0000000000000042",
"mixhash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"timestamp": "0x00"
}
```
The above fields should be fine for most purposes, although we'd recommend changing the `nonce` to
some random value so you prevent unknown remote nodes from being able to connect to you. If you'd
like to pre-fund some accounts for easier testing, you can populate the `alloc` field with account
configs:
The above fields should be fine for most purposes, although we'd recommend changing
the `nonce` to some random value so you prevent unknown remote nodes from being able
to connect to you. If you'd like to pre-fund some accounts for easier testing, you can
populate the `alloc` field with account configs:
```json
"alloc": {
"0x0000000000000000000000000000000000000001": {"balance": "111111111"},
"0x0000000000000000000000000000000000000002": {"balance": "222222222"}
"0x0000000000000000000000000000000000000001": {
"balance": "111111111"
},
"0x0000000000000000000000000000000000000002": {
"balance": "222222222"
}
}
```
With the genesis state defined in the above JSON file, you'll need to initialize **every** Geth node
with it prior to starting it up to ensure all blockchain parameters are correctly set:
With the genesis state defined in the above JSON file, you'll need to initialize **every**
`geth` node with it prior to starting it up to ensure all blockchain parameters are correctly
set:
```
```shell
$ geth init path/to/genesis.json
```
#### Creating the rendezvous point
With all nodes that you want to run initialized to the desired genesis state, you'll need to start a
bootstrap node that others can use to find each other in your network and/or over the internet. The
clean way is to configure and run a dedicated bootnode:
With all nodes that you want to run initialized to the desired genesis state, you'll need to
start a bootstrap node that others can use to find each other in your network and/or over
the internet. The clean way is to configure and run a dedicated bootnode:
```
```shell
$ bootnode --genkey=boot.key
$ bootnode --nodekey=boot.key
```
With the bootnode online, it will display an [`enode` URL](https://github.com/ethereum/wiki/wiki/enode-url-format)
that other nodes can use to connect to it and exchange peer information. Make sure to replace the
displayed IP address information (most probably `[::]`) with your externally accessible IP to get the
actual `enode` URL.
that other nodes can use to connect to it and exchange peer information. Make sure to
replace the displayed IP address information (most probably `[::]`) with your externally
accessible IP to get the actual `enode` URL.
*Note: You could also use a full-fledged Geth node as a bootnode, but it's the less recommended way.*
*Note: You could also use a full-fledged `geth` node as a bootnode, but it's the less
recommended way.*
#### Starting up your member nodes
With the bootnode operational and externally reachable (you can try `telnet <ip> <port>` to ensure
it's indeed reachable), start every subsequent Geth node pointed to the bootnode for peer discovery
via the `--bootnodes` flag. It will probably also be desirable to keep the data directory of your
private network separated, so do also specify a custom `--datadir` flag.
With the bootnode operational and externally reachable (you can try
`telnet <ip> <port>` to ensure it's indeed reachable), start every subsequent `geth`
node pointed to the bootnode for peer discovery via the `--bootnodes` flag. It will
probably also be desirable to keep the data directory of your private network separated, so
do also specify a custom `--datadir` flag.
```
```shell
$ geth --datadir=path/to/custom/data/folder --bootnodes=<bootnode-enode-url-from-above>
```
*Note: Since your network will be completely cut off from the main and test networks, you'll also
need to configure a miner to process transactions and create new blocks for you.*
*Note: Since your network will be completely cut off from the main and test networks, you'll
also need to configure a miner to process transactions and create new blocks for you.*
#### Running a private miner
Mining on the public Ethereum network is a complex task as it's only feasible using GPUs, requiring
an OpenCL or CUDA enabled `ethminer` instance. For information on such a setup, please consult the
[EtherMining subreddit](https://www.reddit.com/r/EtherMining/) and the [Genoil miner](https://github.com/Genoil/cpp-ethereum)
repository.
Mining on the public Ethereum network is a complex task as it's only feasible using GPUs,
requiring an OpenCL or CUDA enabled `ethminer` instance. For information on such a
setup, please consult the [EtherMining subreddit](https://www.reddit.com/r/EtherMining/)
and the [Genoil miner](https://github.com/Genoil/cpp-ethereum) repository.
In a private network setting, however a single CPU miner instance is more than enough for practical
purposes as it can produce a stable stream of blocks at the correct intervals without needing heavy
resources (consider running on a single thread, no need for multiple ones either). To start a Geth
instance for mining, run it with all your usual flags, extended by:
In a private network setting, however a single CPU miner instance is more than enough for
practical purposes as it can produce a stable stream of blocks at the correct intervals
without needing heavy resources (consider running on a single thread, no need for multiple
ones either). To start a `geth` instance for mining, run it with all your usual flags, extended
by:
```
```shell
$ geth <usual-flags> --mine --minerthreads=1 --etherbase=0x0000000000000000000000000000000000000000
```
Which will start mining blocks and transactions on a single CPU thread, crediting all proceedings to
the account specified by `--etherbase`. You can further tune the mining by changing the default gas
limit blocks converge to (`--targetgaslimit`) and the price transactions are accepted at (`--gasprice`).
Which will start mining blocks and transactions on a single CPU thread, crediting all
proceedings to the account specified by `--etherbase`. You can further tune the mining
by changing the default gas limit blocks converge to (`--targetgaslimit`) and the price
transactions are accepted at (`--gasprice`).
## Contribution
Thank you for considering to help out with the source code! We welcome contributions from
anyone on the internet, and are grateful for even the smallest of fixes!
Thank you for considering to help out with the source code! We welcome contributions
from anyone on the internet, and are grateful for even the smallest of fixes!
If you'd like to contribute to go-ethereum, please fork, fix, commit and send a pull request
for the maintainers to review and merge into the main code base. If you wish to submit more
complex changes though, please check up with the core devs first on [our gitter channel](https://gitter.im/ethereum/go-ethereum)
to ensure those changes are in line with the general philosophy of the project and/or get some
early feedback which can make both your efforts much lighter as well as our review and merge
procedures quick and simple.
for the maintainers to review and merge into the main code base. If you wish to submit
more complex changes though, please check up with the core devs first on [our gitter channel](https://gitter.im/ethereum/go-ethereum)
to ensure those changes are in line with the general philosophy of the project and/or get
some early feedback which can make both your efforts much lighter as well as our review
and merge procedures quick and simple.
Please make sure your contributions adhere to our coding guidelines:
* Code must adhere to the official Go [formatting](https://golang.org/doc/effective_go.html#formatting) guidelines (i.e. uses [gofmt](https://golang.org/cmd/gofmt/)).
* Code must be documented adhering to the official Go [commentary](https://golang.org/doc/effective_go.html#commentary) guidelines.
* Code must adhere to the official Go [formatting](https://golang.org/doc/effective_go.html#formatting)
guidelines (i.e. uses [gofmt](https://golang.org/cmd/gofmt/)).
* Code must be documented adhering to the official Go [commentary](https://golang.org/doc/effective_go.html#commentary)
guidelines.
* Pull requests need to be based on and opened against the `master` branch.
* Commit messages should be prefixed with the package(s) they modify.
* E.g. "eth, rpc: make trace configs optional"
Please see the [Developers' Guide](https://github.com/ethereum/go-ethereum/wiki/Developers'-Guide)
for more details on configuring your environment, managing project dependencies, and testing procedures.
for more details on configuring your environment, managing project dependencies, and
testing procedures.
## License
The go-ethereum library (i.e. all code outside of the `cmd` directory) is licensed under the
[GNU Lesser General Public License v3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html), also
included in our repository in the `COPYING.LESSER` file.
[GNU Lesser General Public License v3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html),
also included in our repository in the `COPYING.LESSER` file.
The go-ethereum binaries (i.e. all code inside of the `cmd` directory) is licensed under the
[GNU General Public License v3.0](https://www.gnu.org/licenses/gpl-3.0.en.html), also included
in our repository in the `COPYING` file.
[GNU General Public License v3.0](https://www.gnu.org/licenses/gpl-3.0.en.html), also
included in our repository in the `COPYING` file.

33
accounts/abi/abi.go
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@ -21,6 +21,8 @@ import (
"encoding/json"
"fmt"
"io"
"github.com/ethereum/go-ethereum/common"
)
// The ABI holds information about a contract's context and available
@ -134,15 +136,27 @@ func (abi *ABI) UnmarshalJSON(data []byte) error {
}
// empty defaults to function according to the abi spec
case "function", "":
abi.Methods[field.Name] = Method{
Name: field.Name,
name := field.Name
_, ok := abi.Methods[name]
for idx := 0; ok; idx++ {
name = fmt.Sprintf("%s%d", field.Name, idx)
_, ok = abi.Methods[name]
}
abi.Methods[name] = Method{
Name: name,
Const: field.Constant,
Inputs: field.Inputs,
Outputs: field.Outputs,
}
case "event":
abi.Events[field.Name] = Event{
Name: field.Name,
name := field.Name
_, ok := abi.Events[name]
for idx := 0; ok; idx++ {
name = fmt.Sprintf("%s%d", field.Name, idx)
_, ok = abi.Events[name]
}
abi.Events[name] = Event{
Name: name,
Anonymous: field.Anonymous,
Inputs: field.Inputs,
}
@ -165,3 +179,14 @@ func (abi *ABI) MethodById(sigdata []byte) (*Method, error) {
}
return nil, fmt.Errorf("no method with id: %#x", sigdata[:4])
}
// EventByID looks an event up by its topic hash in the
// ABI and returns nil if none found.
func (abi *ABI) EventByID(topic common.Hash) (*Event, error) {
for _, event := range abi.Events {
if bytes.Equal(event.Id().Bytes(), topic.Bytes()) {
return &event, nil
}
}
return nil, fmt.Errorf("no event with id: %#x", topic.Hex())
}

113
accounts/abi/abi_test.go
View file

@ -832,9 +832,6 @@ func TestUnpackIntoMapNamingConflict(t *testing.T) {
if err = abi.UnpackIntoMap(receivedMap, "received", data); err != nil {
t.Error("naming conflict between two events; no error expected")
}
if len(receivedMap) != 1 {
t.Error("naming conflict between two events; event defined latest in the abi expected to be used")
}
// Method and event have the same name
abiJSON = `[{"constant":false,"inputs":[{"name":"memo","type":"bytes"}],"name":"received","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"}],"name":"receivedAddr","type":"event"}]`
@ -931,3 +928,113 @@ func TestABI_MethodById(t *testing.T) {
t.Errorf("Expected error, nil is short to decode data")
}
}
func TestABI_EventById(t *testing.T) {
tests := []struct {
name string
json string
event string
}{
{
name: "",
json: `[
{"type":"event","name":"received","anonymous":false,"inputs":[
{"indexed":false,"name":"sender","type":"address"},
{"indexed":false,"name":"amount","type":"uint256"},
{"indexed":false,"name":"memo","type":"bytes"}
]
}]`,
event: "received(address,uint256,bytes)",
}, {
name: "",
json: `[
{ "constant": true, "inputs": [], "name": "name", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" },
{ "constant": false, "inputs": [ { "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "approve", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" },
{ "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" },
{ "constant": false, "inputs": [ { "name": "_from", "type": "address" }, { "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "transferFrom", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" },
{ "constant": true, "inputs": [], "name": "decimals", "outputs": [ { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" },
{ "constant": true, "inputs": [ { "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "balance", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" },
{ "constant": true, "inputs": [], "name": "symbol", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" },
{ "constant": false, "inputs": [ { "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "transfer", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" },
{ "constant": true, "inputs": [ { "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" } ], "name": "allowance", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" },
{ "payable": true, "stateMutability": "payable", "type": "fallback" },
{ "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "spender", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Approval", "type": "event" },
{ "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" }
]`,
event: "Transfer(address,address,uint256)",
},
}
for testnum, test := range tests {
abi, err := JSON(strings.NewReader(test.json))
if err != nil {
t.Error(err)
}
topic := test.event
topicID := crypto.Keccak256Hash([]byte(topic))
event, err := abi.EventByID(topicID)
if err != nil {
t.Fatalf("Failed to look up ABI method: %v, test #%d", err, testnum)
}
if event == nil {
t.Errorf("We should find a event for topic %s, test #%d", topicID.Hex(), testnum)
}
if event.Id() != topicID {
t.Errorf("Event id %s does not match topic %s, test #%d", event.Id().Hex(), topicID.Hex(), testnum)
}
unknowntopicID := crypto.Keccak256Hash([]byte("unknownEvent"))
unknownEvent, err := abi.EventByID(unknowntopicID)
if err == nil {
t.Errorf("EventByID should return an error if a topic is not found, test #%d", testnum)
}
if unknownEvent != nil {
t.Errorf("We should not find any event for topic %s, test #%d", unknowntopicID.Hex(), testnum)
}
}
}
func TestDuplicateMethodNames(t *testing.T) {
abiJSON := `[{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transfer","outputs":[{"name":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"},{"name":"data","type":"bytes"}],"name":"transfer","outputs":[{"name":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"},{"name":"data","type":"bytes"},{"name":"customFallback","type":"string"}],"name":"transfer","outputs":[{"name":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]`
contractAbi, err := JSON(strings.NewReader(abiJSON))
if err != nil {
t.Fatal(err)
}
if _, ok := contractAbi.Methods["transfer"]; !ok {
t.Fatalf("Could not find original method")
}
if _, ok := contractAbi.Methods["transfer0"]; !ok {
t.Fatalf("Could not find duplicate method")
}
if _, ok := contractAbi.Methods["transfer1"]; !ok {
t.Fatalf("Could not find duplicate method")
}
if _, ok := contractAbi.Methods["transfer2"]; ok {
t.Fatalf("Should not have found extra method")
}
}
// TestDoubleDuplicateMethodNames checks that if transfer0 already exists, there won't be a name
// conflict and that the second transfer method will be renamed transfer1.
func TestDoubleDuplicateMethodNames(t *testing.T) {
abiJSON := `[{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transfer","outputs":[{"name":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"},{"name":"data","type":"bytes"}],"name":"transfer0","outputs":[{"name":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"},{"name":"data","type":"bytes"},{"name":"customFallback","type":"string"}],"name":"transfer","outputs":[{"name":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]`
contractAbi, err := JSON(strings.NewReader(abiJSON))
if err != nil {
t.Fatal(err)
}
if _, ok := contractAbi.Methods["transfer"]; !ok {
t.Fatalf("Could not find original method")
}
if _, ok := contractAbi.Methods["transfer0"]; !ok {
t.Fatalf("Could not find duplicate method")
}
if _, ok := contractAbi.Methods["transfer1"]; !ok {
t.Fatalf("Could not find duplicate method")
}
if _, ok := contractAbi.Methods["transfer2"]; ok {
t.Fatalf("Should not have found extra method")
}
}

17
accounts/abi/argument.go
View file

@ -119,11 +119,22 @@ func unpack(t *Type, dst interface{}, src interface{}) error {
dstVal = reflect.ValueOf(dst).Elem()
srcVal = reflect.ValueOf(src)
)
if t.T != TupleTy && !((t.T == SliceTy || t.T == ArrayTy) && t.Elem.T == TupleTy) {
tuple, typ := false, t
for {
if typ.T == SliceTy || typ.T == ArrayTy {
typ = typ.Elem
continue
}
tuple = typ.T == TupleTy
break
}
if !tuple {
return set(dstVal, srcVal)
}
// Dereferences interface or pointer wrapper
dstVal = indirectInterfaceOrPtr(dstVal)
switch t.T {
case TupleTy:
if dstVal.Kind() != reflect.Struct {
@ -191,7 +202,7 @@ func (arguments Arguments) unpackAtomic(v interface{}, marshalledValues interfac
argument := arguments.NonIndexed()[0]
elem := reflect.ValueOf(v).Elem()
if elem.Kind() == reflect.Struct {
if elem.Kind() == reflect.Struct && argument.Type.T != TupleTy {
fieldmap, err := mapArgNamesToStructFields([]string{argument.Name}, elem)
if err != nil {
return err

19
accounts/abi/bind/auth.go
View file

@ -23,6 +23,7 @@ import (
"io/ioutil"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/external"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
@ -43,9 +44,9 @@ func NewTransactor(keyin io.Reader, passphrase string) (*TransactOpts, error) {
return NewKeyedTransactor(key.PrivateKey), nil
}
// NewTransactor is a utility method to easily create a transaction signer from
// NewKeyStoreTransactor is a utility method to easily create a transaction signer from
// an decrypted key from a keystore
func NewTransactorFromKeyStore(keystore *keystore.KeyStore, account accounts.Account) (*TransactOpts, error) {
func NewKeyStoreTransactor(keystore *keystore.KeyStore, account accounts.Account) (*TransactOpts, error) {
return &TransactOpts{
From: account.Address,
Signer: func(signer types.Signer, address common.Address, tx *types.Transaction) (*types.Transaction, error) {
@ -79,3 +80,17 @@ func NewKeyedTransactor(key *ecdsa.PrivateKey) *TransactOpts {
},
}
}
// NewClefTransactor is a utility method to easily create a transaction signer
// with a clef backend.
func NewClefTransactor(clef *external.ExternalSigner, account accounts.Account) *TransactOpts {
return &TransactOpts{
From: account.Address,
Signer: func(signer types.Signer, address common.Address, transaction *types.Transaction) (*types.Transaction, error) {
if address != account.Address {
return nil, errors.New("not authorized to sign this account")
}
return clef.SignTx(account, transaction, nil) // Clef enforces its own chain id
},
}
}

26
accounts/abi/bind/backends/simulated.go
View file

@ -45,8 +45,10 @@ import (
// This nil assignment ensures compile time that SimulatedBackend implements bind.ContractBackend.
var _ bind.ContractBackend = (*SimulatedBackend)(nil)
var errBlockNumberUnsupported = errors.New("SimulatedBackend cannot access blocks other than the latest block")
var errGasEstimationFailed = errors.New("gas required exceeds allowance or always failing transaction")
var (
errBlockNumberUnsupported = errors.New("simulatedBackend cannot access blocks other than the latest block")
errGasEstimationFailed = errors.New("gas required exceeds allowance or always failing transaction")
)
// SimulatedBackend implements bind.ContractBackend, simulating a blockchain in
// the background. Its main purpose is to allow easily testing contract bindings.
@ -63,10 +65,9 @@ type SimulatedBackend struct {
config *params.ChainConfig
}
// NewSimulatedBackend creates a new binding backend using a simulated blockchain
// for testing purposes.
func NewSimulatedBackend(alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
database := rawdb.NewMemoryDatabase()
// NewSimulatedBackendWithDatabase creates a new binding backend based on the given database
// and uses a simulated blockchain for testing purposes.
func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
genesis := core.Genesis{Config: params.AllEthashProtocolChanges, GasLimit: gasLimit, Alloc: alloc}
genesis.MustCommit(database)
blockchain, _ := core.NewBlockChain(database, nil, genesis.Config, ethash.NewFaker(), vm.Config{}, nil)
@ -81,6 +82,12 @@ func NewSimulatedBackend(alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBac
return backend
}
// NewSimulatedBackend creates a new binding backend using a simulated blockchain
// for testing purposes.
func NewSimulatedBackend(alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
return NewSimulatedBackendWithDatabase(rawdb.NewMemoryDatabase(), alloc, gasLimit)
}
// Commit imports all the pending transactions as a single block and starts a
// fresh new state.
func (b *SimulatedBackend) Commit() {
@ -316,7 +323,7 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
b.mu.Lock()
defer b.mu.Unlock()
sender, err := types.Sender(types.HomesteadSigner{}, tx)
sender, err := types.Sender(types.NewEIP155Signer(b.config.ChainID), tx)
if err != nil {
panic(fmt.Errorf("invalid transaction: %v", err))
}
@ -424,6 +431,11 @@ func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error {
return nil
}
// Blockchain returns the underlying blockchain.
func (b *SimulatedBackend) Blockchain() *core.BlockChain {
return b.blockchain
}
// callmsg implements core.Message to allow passing it as a transaction simulator.
type callmsg struct {
ethereum.CallMsg

26
accounts/abi/bind/base_test.go
View file

@ -345,29 +345,3 @@ func TestUnpackIndexedBytesTyLogIntoMap(t *testing.T) {
t.Error("unpacked map does not match expected map")
}
}
func TestUnpackIntoMapNamingConflict(t *testing.T) {
hash := crypto.Keccak256Hash([]byte("testName"))
mockLog := types.Log{
Address: common.HexToAddress("0x0"),
Topics: []common.Hash{
common.HexToHash("0x0"),
hash,
},
Data: hexutil.MustDecode(hexData),
BlockNumber: uint64(26),
TxHash: common.HexToHash("0x0"),
TxIndex: 111,
BlockHash: common.BytesToHash([]byte{1, 2, 3, 4, 5}),
Index: 7,
Removed: false,
}
abiString := `[{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"string"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"}],"name":"received","type":"event"}]`
parsedAbi, _ := abi.JSON(strings.NewReader(abiString))
bc := bind.NewBoundContract(common.HexToAddress("0x0"), parsedAbi, nil, nil, nil)
receivedMap := make(map[string]interface{})
if err := bc.UnpackLogIntoMap(receivedMap, "received", mockLog); err == nil {
t.Error("naming conflict between two events; error expected")
}
}

410
accounts/abi/bind/bind.go
View file

@ -22,6 +22,7 @@ package bind
import (
"bytes"
"errors"
"fmt"
"go/format"
"regexp"
@ -30,6 +31,7 @@ import (
"unicode"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/log"
)
// Lang is a target programming language selector to generate bindings for.
@ -45,10 +47,13 @@ const (
// to be used as is in client code, but rather as an intermediate struct which
// enforces compile time type safety and naming convention opposed to having to
// manually maintain hard coded strings that break on runtime.
func Bind(types []string, abis []string, bytecodes []string, pkg string, lang Lang) (string, error) {
func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]string, pkg string, lang Lang, libs map[string]string) (string, error) {
// Process each individual contract requested binding
contracts := make(map[string]*tmplContract)
// Map used to flag each encountered library as such
isLib := make(map[string]struct{})
for i := 0; i < len(types); i++ {
// Parse the actual ABI to generate the binding for
evmABI, err := abi.JSON(strings.NewReader(abis[i]))
@ -63,11 +68,12 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string, lang La
return r
}, abis[i])
// Extract the call and transact methods; events; and sort them alphabetically
// Extract the call and transact methods; events, struct definitions; and sort them alphabetically
var (
calls = make(map[string]*tmplMethod)
transacts = make(map[string]*tmplMethod)
events = make(map[string]*tmplEvent)
structs = make(map[string]*tmplStruct)
)
for _, original := range evmABI.Methods {
// Normalize the method for capital cases and non-anonymous inputs/outputs
@ -80,6 +86,9 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string, lang La
if input.Name == "" {
normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
}
if _, exist := structs[input.Type.String()]; input.Type.T == abi.TupleTy && !exist {
bindStructType[lang](input.Type, structs)
}
}
normalized.Outputs = make([]abi.Argument, len(original.Outputs))
copy(normalized.Outputs, original.Outputs)
@ -87,6 +96,9 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string, lang La
if output.Name != "" {
normalized.Outputs[j].Name = capitalise(output.Name)
}
if _, exist := structs[output.Type.String()]; output.Type.T == abi.TupleTy && !exist {
bindStructType[lang](output.Type, structs)
}
}
// Append the methods to the call or transact lists
if original.Const {
@ -112,25 +124,61 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string, lang La
if input.Name == "" {
normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
}
if _, exist := structs[input.Type.String()]; input.Type.T == abi.TupleTy && !exist {
bindStructType[lang](input.Type, structs)
}
}
}
// Append the event to the accumulator list
events[original.Name] = &tmplEvent{Original: original, Normalized: normalized}
}
// There is no easy way to pass arbitrary java objects to the Go side.
if len(structs) > 0 && lang == LangJava {
return "", errors.New("java binding for tuple arguments is not supported yet")
}
contracts[types[i]] = &tmplContract{
Type: capitalise(types[i]),
InputABI: strings.Replace(strippedABI, "\"", "\\\"", -1),
InputBin: strings.TrimSpace(bytecodes[i]),
InputBin: strings.TrimPrefix(strings.TrimSpace(bytecodes[i]), "0x"),
Constructor: evmABI.Constructor,
Calls: calls,
Transacts: transacts,
Events: events,
Libraries: make(map[string]string),
Structs: structs,
}
// Function 4-byte signatures are stored in the same sequence
// as types, if available.
if len(fsigs) > i {
contracts[types[i]].FuncSigs = fsigs[i]
}
// Parse library references.
for pattern, name := range libs {
matched, err := regexp.Match("__\\$"+pattern+"\\$__", []byte(contracts[types[i]].InputBin))
if err != nil {
log.Error("Could not search for pattern", "pattern", pattern, "contract", contracts[types[i]], "err", err)
}
if matched {
contracts[types[i]].Libraries[pattern] = name
// keep track that this type is a library
if _, ok := isLib[name]; !ok {
isLib[name] = struct{}{}
}
}
}
}
// Check if that type has already been identified as a library
for i := 0; i < len(types); i++ {
_, ok := isLib[types[i]]
contracts[types[i]].Library = ok
}
// Generate the contract template data content and render it
data := &tmplData{
Package: pkg,
Contracts: contracts,
Libraries: libs,
}
buffer := new(bytes.Buffer)
@ -138,6 +186,8 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string, lang La
"bindtype": bindType[lang],
"bindtopictype": bindTopicType[lang],
"namedtype": namedType[lang],
"formatmethod": formatMethod,
"formatevent": formatEvent,
"capitalise": capitalise,
"decapitalise": decapitalise,
}
@ -159,129 +209,67 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string, lang La
// bindType is a set of type binders that convert Solidity types to some supported
// programming language types.
var bindType = map[Lang]func(kind abi.Type) string{
var bindType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
LangGo: bindTypeGo,
LangJava: bindTypeJava,
}
// Helper function for the binding generators.
// It reads the unmatched characters after the inner type-match,
// (since the inner type is a prefix of the total type declaration),
// looks for valid arrays (possibly a dynamic one) wrapping the inner type,
// and returns the sizes of these arrays.
//
// Returned array sizes are in the same order as solidity signatures; inner array size first.
// Array sizes may also be "", indicating a dynamic array.
func wrapArray(stringKind string, innerLen int, innerMapping string) (string, []string) {
remainder := stringKind[innerLen:]
//find all the sizes
matches := regexp.MustCompile(`\[(\d*)\]`).FindAllStringSubmatch(remainder, -1)
parts := make([]string, 0, len(matches))
for _, match := range matches {
//get group 1 from the regex match
parts = append(parts, match[1])
}
return innerMapping, parts
}
// Translates the array sizes to a Go-lang declaration of a (nested) array of the inner type.
// Simply returns the inner type if arraySizes is empty.
func arrayBindingGo(inner string, arraySizes []string) string {
out := ""
//prepend all array sizes, from outer (end arraySizes) to inner (start arraySizes)
for i := len(arraySizes) - 1; i >= 0; i-- {
out += "[" + arraySizes[i] + "]"
}
out += inner
return out
}
// bindTypeGo converts a Solidity type to a Go one. Since there is no clear mapping
// from all Solidity types to Go ones (e.g. uint17), those that cannot be exactly
// mapped will use an upscaled type (e.g. *big.Int).
func bindTypeGo(kind abi.Type) string {
stringKind := kind.String()
innerLen, innerMapping := bindUnnestedTypeGo(stringKind)
return arrayBindingGo(wrapArray(stringKind, innerLen, innerMapping))
}
// The inner function of bindTypeGo, this finds the inner type of stringKind.
// (Or just the type itself if it is not an array or slice)
// The length of the matched part is returned, with the translated type.
func bindUnnestedTypeGo(stringKind string) (int, string) {
switch {
case strings.HasPrefix(stringKind, "address"):
return len("address"), "common.Address"
case strings.HasPrefix(stringKind, "bytes"):
parts := regexp.MustCompile(`bytes([0-9]*)`).FindStringSubmatch(stringKind)
return len(parts[0]), fmt.Sprintf("[%s]byte", parts[1])
case strings.HasPrefix(stringKind, "int") || strings.HasPrefix(stringKind, "uint"):
parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(stringKind)
// bindBasicTypeGo converts basic solidity types(except array, slice and tuple) to Go one.
func bindBasicTypeGo(kind abi.Type) string {
switch kind.T {
case abi.AddressTy:
return "common.Address"
case abi.IntTy, abi.UintTy:
parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(kind.String())
switch parts[2] {
case "8", "16", "32", "64":
return len(parts[0]), fmt.Sprintf("%sint%s", parts[1], parts[2])
return fmt.Sprintf("%sint%s", parts[1], parts[2])
}
return len(parts[0]), "*big.Int"
case strings.HasPrefix(stringKind, "bool"):
return len("bool"), "bool"
case strings.HasPrefix(stringKind, "string"):
return len("string"), "string"
return "*big.Int"
case abi.FixedBytesTy:
return fmt.Sprintf("[%d]byte", kind.Size)
case abi.BytesTy:
return "[]byte"
case abi.FunctionTy:
return "[24]byte"
default:
return len(stringKind), stringKind
// string, bool types
return kind.String()
}
}
// Translates the array sizes to a Java declaration of a (nested) array of the inner type.
// Simply returns the inner type if arraySizes is empty.
func arrayBindingJava(inner string, arraySizes []string) string {
// Java array type declarations do not include the length.
return inner + strings.Repeat("[]", len(arraySizes))
}
// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping
// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly
// bindTypeGo converts solidity types to Go ones. Since there is no clear mapping
// from all Solidity types to Go ones (e.g. uint17), those that cannot be exactly
// mapped will use an upscaled type (e.g. BigDecimal).
func bindTypeJava(kind abi.Type) string {
stringKind := kind.String()
innerLen, innerMapping := bindUnnestedTypeJava(stringKind)
return arrayBindingJava(wrapArray(stringKind, innerLen, innerMapping))
func bindTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
switch kind.T {
case abi.TupleTy:
return structs[kind.String()].Name
case abi.ArrayTy:
return fmt.Sprintf("[%d]", kind.Size) + bindTypeGo(*kind.Elem, structs)
case abi.SliceTy:
return "[]" + bindTypeGo(*kind.Elem, structs)
default:
return bindBasicTypeGo(kind)
}
}
// The inner function of bindTypeJava, this finds the inner type of stringKind.
// (Or just the type itself if it is not an array or slice)
// The length of the matched part is returned, with the translated type.
func bindUnnestedTypeJava(stringKind string) (int, string) {
switch {
case strings.HasPrefix(stringKind, "address"):
parts := regexp.MustCompile(`address(\[[0-9]*\])?`).FindStringSubmatch(stringKind)
if len(parts) != 2 {
return len(stringKind), stringKind
}
if parts[1] == "" {
return len("address"), "Address"
}
return len(parts[0]), "Addresses"
case strings.HasPrefix(stringKind, "bytes"):
parts := regexp.MustCompile(`bytes([0-9]*)`).FindStringSubmatch(stringKind)
if len(parts) != 2 {
return len(stringKind), stringKind
}
return len(parts[0]), "byte[]"
case strings.HasPrefix(stringKind, "int") || strings.HasPrefix(stringKind, "uint"):
//Note that uint and int (without digits) are also matched,
// bindBasicTypeJava converts basic solidity types(except array, slice and tuple) to Java one.
func bindBasicTypeJava(kind abi.Type) string {
switch kind.T {
case abi.AddressTy:
return "Address"
case abi.IntTy, abi.UintTy:
// Note that uint and int (without digits) are also matched,
// these are size 256, and will translate to BigInt (the default).
parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(stringKind)
parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(kind.String())
if len(parts) != 3 {
return len(stringKind), stringKind
return kind.String()
}
// All unsigned integers should be translated to BigInt since gomobile doesn't
// support them.
if parts[1] == "u" {
return "BigInt"
}
namedSize := map[string]string{
@ -291,50 +279,146 @@ func bindUnnestedTypeJava(stringKind string) (int, string) {
"64": "long",
}[parts[2]]
//default to BigInt
// default to BigInt
if namedSize == "" {
namedSize = "BigInt"
}
return len(parts[0]), namedSize
case strings.HasPrefix(stringKind, "bool"):
return len("bool"), "boolean"
case strings.HasPrefix(stringKind, "string"):
return len("string"), "String"
return namedSize
case abi.FixedBytesTy, abi.BytesTy:
return "byte[]"
case abi.BoolTy:
return "boolean"
case abi.StringTy:
return "String"
case abi.FunctionTy:
return "byte[24]"
default:
return len(stringKind), stringKind
return kind.String()
}
}
// pluralizeJavaType explicitly converts multidimensional types to predefined
// type in go side.
func pluralizeJavaType(typ string) string {
switch typ {
case "boolean":
return "Bools"
case "String":
return "Strings"
case "Address":
return "Addresses"
case "byte[]":
return "Binaries"
case "BigInt":
return "BigInts"
}
return typ + "[]"
}
// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping
// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly
// mapped will use an upscaled type (e.g. BigDecimal).
func bindTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
switch kind.T {
case abi.TupleTy:
return structs[kind.String()].Name
case abi.ArrayTy, abi.SliceTy:
return pluralizeJavaType(bindTypeJava(*kind.Elem, structs))
default:
return bindBasicTypeJava(kind)
}
}
// bindTopicType is a set of type binders that convert Solidity types to some
// supported programming language topic types.
var bindTopicType = map[Lang]func(kind abi.Type) string{
var bindTopicType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
LangGo: bindTopicTypeGo,
LangJava: bindTopicTypeJava,
}
// bindTypeGo converts a Solidity topic type to a Go one. It is almost the same
// bindTopicTypeGo converts a Solidity topic type to a Go one. It is almost the same
// funcionality as for simple types, but dynamic types get converted to hashes.
func bindTopicTypeGo(kind abi.Type) string {
bound := bindTypeGo(kind)
func bindTopicTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
bound := bindTypeGo(kind, structs)
if bound == "string" || bound == "[]byte" {
bound = "common.Hash"
}
return bound
}
// bindTypeGo converts a Solidity topic type to a Java one. It is almost the same
// bindTopicTypeJava converts a Solidity topic type to a Java one. It is almost the same
// funcionality as for simple types, but dynamic types get converted to hashes.
func bindTopicTypeJava(kind abi.Type) string {
bound := bindTypeJava(kind)
if bound == "String" || bound == "Bytes" {
func bindTopicTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
bound := bindTypeJava(kind, structs)
if bound == "String" || bound == "byte[]" {
bound = "Hash"
}
return bound
}
// bindStructType is a set of type binders that convert Solidity tuple types to some supported
// programming language struct definition.
var bindStructType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
LangGo: bindStructTypeGo,
LangJava: bindStructTypeJava,
}
// bindStructTypeGo converts a Solidity tuple type to a Go one and records the mapping
// in the given map.
// Notably, this function will resolve and record nested struct recursively.
func bindStructTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
switch kind.T {
case abi.TupleTy:
if s, exist := structs[kind.String()]; exist {
return s.Name
}
var fields []*tmplField
for i, elem := range kind.TupleElems {
field := bindStructTypeGo(*elem, structs)
fields = append(fields, &tmplField{Type: field, Name: capitalise(kind.TupleRawNames[i]), SolKind: *elem})
}
name := fmt.Sprintf("Struct%d", len(structs))
structs[kind.String()] = &tmplStruct{
Name: name,
Fields: fields,
}
return name
case abi.ArrayTy:
return fmt.Sprintf("[%d]", kind.Size) + bindStructTypeGo(*kind.Elem, structs)
case abi.SliceTy:
return "[]" + bindStructTypeGo(*kind.Elem, structs)
default:
return bindBasicTypeGo(kind)
}
}
// bindStructTypeJava converts a Solidity tuple type to a Java one and records the mapping
// in the given map.
// Notably, this function will resolve and record nested struct recursively.
func bindStructTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
switch kind.T {
case abi.TupleTy:
if s, exist := structs[kind.String()]; exist {
return s.Name
}
var fields []*tmplField
for i, elem := range kind.TupleElems {
field := bindStructTypeJava(*elem, structs)
fields = append(fields, &tmplField{Type: field, Name: decapitalise(kind.TupleRawNames[i]), SolKind: *elem})
}
name := fmt.Sprintf("Class%d", len(structs))
structs[kind.String()] = &tmplStruct{
Name: name,
Fields: fields,
}
return name
case abi.ArrayTy, abi.SliceTy:
return pluralizeJavaType(bindStructTypeJava(*kind.Elem, structs))
default:
return bindBasicTypeJava(kind)
}
}
// namedType is a set of functions that transform language specific types to
// named versions that my be used inside method names.
var namedType = map[Lang]func(string, abi.Type) string{
@ -348,18 +432,8 @@ func namedTypeJava(javaKind string, solKind abi.Type) string {
switch javaKind {
case "byte[]":
return "Binary"
case "byte[][]":
return "Binaries"
case "string":
return "String"
case "string[]":
return "Strings"
case "boolean":
return "Bool"
case "boolean[]":
return "Bools"
case "BigInt[]":
return "BigInts"
default:
parts := regexp.MustCompile(`(u)?int([0-9]*)(\[[0-9]*\])?`).FindStringSubmatch(solKind.String())
if len(parts) != 4 {
@ -422,3 +496,63 @@ func structured(args abi.Arguments) bool {
}
return true
}
// resolveArgName converts a raw argument representation into a user friendly format.
func resolveArgName(arg abi.Argument, structs map[string]*tmplStruct) string {
var (
prefix string
embedded string
typ = &arg.Type
)
loop:
for {
switch typ.T {
case abi.SliceTy:
prefix += "[]"
case abi.ArrayTy:
prefix += fmt.Sprintf("[%d]", typ.Size)
default:
embedded = typ.String()
break loop
}
typ = typ.Elem
}
if s, exist := structs[embedded]; exist {
return prefix + s.Name
} else {
return arg.Type.String()
}
}
// formatMethod transforms raw method representation into a user friendly one.
func formatMethod(method abi.Method, structs map[string]*tmplStruct) string {
inputs := make([]string, len(method.Inputs))
for i, input := range method.Inputs {
inputs[i] = fmt.Sprintf("%v %v", resolveArgName(input, structs), input.Name)
}
outputs := make([]string, len(method.Outputs))
for i, output := range method.Outputs {
outputs[i] = resolveArgName(output, structs)
if len(output.Name) > 0 {
outputs[i] += fmt.Sprintf(" %v", output.Name)
}
}
constant := ""
if method.Const {
constant = "constant "
}
return fmt.Sprintf("function %v(%v) %sreturns(%v)", method.Name, strings.Join(inputs, ", "), constant, strings.Join(outputs, ", "))
}
// formatEvent transforms raw event representation into a user friendly one.
func formatEvent(event abi.Event, structs map[string]*tmplStruct) string {
inputs := make([]string, len(event.Inputs))
for i, input := range event.Inputs {
if input.Indexed {
inputs[i] = fmt.Sprintf("%v indexed %v", resolveArgName(input, structs), input.Name)
} else {
inputs[i] = fmt.Sprintf("%v %v", resolveArgName(input, structs), input.Name)
}
}
return fmt.Sprintf("event %v(%v)", event.Name, strings.Join(inputs, ", "))
}

794
accounts/abi/bind/bind_test.go
View file

File diff suppressed because one or more lines are too long

274
accounts/abi/bind/template.go
View file

@ -22,6 +22,7 @@ import "github.com/ethereum/go-ethereum/accounts/abi"
type tmplData struct {
Package string // Name of the package to place the generated file in
Contracts map[string]*tmplContract // List of contracts to generate into this file
Libraries map[string]string // Map the bytecode's link pattern to the library name
}
// tmplContract contains the data needed to generate an individual contract binding.
@ -29,10 +30,14 @@ type tmplContract struct {
Type string // Type name of the main contract binding
InputABI string // JSON ABI used as the input to generate the binding from
InputBin string // Optional EVM bytecode used to denetare deploy code from
FuncSigs map[string]string // Optional map: string signature -> 4-byte signature
Constructor abi.Method // Contract constructor for deploy parametrization
Calls map[string]*tmplMethod // Contract calls that only read state data
Transacts map[string]*tmplMethod // Contract calls that write state data
Events map[string]*tmplEvent // Contract events accessors
Libraries map[string]string // Same as tmplData, but filtered to only keep what the contract needs
Structs map[string]*tmplStruct // Contract struct type definitions
Library bool
}
// tmplMethod is a wrapper around an abi.Method that contains a few preprocessed
@ -49,6 +54,21 @@ type tmplEvent struct {
Normalized abi.Event // Normalized version of the parsed fields
}
// tmplField is a wrapper around a struct field with binding language
// struct type definition and relative filed name.
type tmplField struct {
Type string // Field type representation depends on target binding language
Name string // Field name converted from the raw user-defined field name
SolKind abi.Type // Raw abi type information
}
// tmplStruct is a wrapper around an abi.tuple contains a auto-generated
// struct name.
type tmplStruct struct {
Name string // Auto-generated struct name(We can't obtain the raw struct name through abi)
Fields []*tmplField // Struct fields definition depends on the binding language.
}
// tmplSource is language to template mapping containing all the supported
// programming languages the package can generate to.
var tmplSource = map[Lang]string{
@ -89,19 +109,32 @@ var (
)
{{range $contract := .Contracts}}
{{$structs := $contract.Structs}}
// {{.Type}}ABI is the input ABI used to generate the binding from.
const {{.Type}}ABI = "{{.InputABI}}"
{{if $contract.FuncSigs}}
// {{.Type}}FuncSigs maps the 4-byte function signature to its string representation.
var {{.Type}}FuncSigs = map[string]string{
{{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}",
{{end}}
}
{{end}}
{{if .InputBin}}
// {{.Type}}Bin is the compiled bytecode used for deploying new contracts.
const {{.Type}}Bin = ` + "`" + `{{.InputBin}}` + "`" + `
var {{.Type}}Bin = "0x{{.InputBin}}"
// Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
if err != nil {
return common.Address{}, nil, nil, err
}
{{range $pattern, $name := .Libraries}}
{{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend)
{{$contract.Type}}Bin = strings.Replace({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:], -1)
{{end}}
address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}})
if err != nil {
return common.Address{}, nil, nil, err
@ -114,7 +147,7 @@ var (
type {{.Type}} struct {
{{.Type}}Caller // Read-only binding to the contract
{{.Type}}Transactor // Write-only binding to the contract
{{.Type}}Filterer // Log filterer for contract events
{{.Type}}Filterer // Log filterer for contract events
}
// {{.Type}}Caller is an auto generated read-only Go binding around an Ethereum contract.
@ -252,16 +285,24 @@ var (
return _{{$contract.Type}}.Contract.contract.Transact(opts, method, params...)
}
{{range .Structs}}
// {{.Name}} is an auto generated low-level Go binding around an user-defined struct.
type {{.Name}} struct {
{{range $field := .Fields}}
{{$field.Name}} {{$field.Type}}{{end}}
}
{{end}}
{{range .Calls}}
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type}},{{end}}{{end}} error) {
// Solidity: {{formatmethod .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}}{{end}} error) {
{{if .Structured}}ret := new(struct{
{{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}}
{{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}}
{{end}}
}){{else}}var (
{{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type}})
{{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type $structs}})
{{end}}
){{end}}
out := {{if .Structured}}ret{{else}}{{if eq (len .Normalized.Outputs) 1}}ret0{{else}}&[]interface{}{
@ -274,15 +315,15 @@ var (
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type}},{{end}} {{end}} error) {
// Solidity: {{formatmethod .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) {
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
}
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type}},{{end}} {{end}} error) {
// Solidity: {{formatmethod .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) {
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
}
{{end}}
@ -290,22 +331,22 @@ var (
{{range .Transacts}}
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
// Solidity: {{formatmethod .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
return _{{$contract.Type}}.contract.Transact(opts, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}})
}
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
// Solidity: {{formatmethod .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
}
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
// Solidity: {{formatmethod .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
}
{{end}}
@ -377,14 +418,14 @@ var (
// {{$contract.Type}}{{.Normalized.Name}} represents a {{.Normalized.Name}} event raised by the {{$contract.Type}} contract.
type {{$contract.Type}}{{.Normalized.Name}} struct { {{range .Normalized.Inputs}}
{{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type}}{{else}}{{bindtype .Type}}{{end}}; {{end}}
{{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type $structs}}{{else}}{{bindtype .Type $structs}}{{end}}; {{end}}
Raw types.Log // Blockchain specific contextual infos
}
// Filter{{.Normalized.Name}} is a free log retrieval operation binding the contract event 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) {
// Solidity: {{formatevent .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) {
{{range .Normalized.Inputs}}
{{if .Indexed}}var {{.Name}}Rule []interface{}
for _, {{.Name}}Item := range {{.Name}} {
@ -400,8 +441,8 @@ var (
// Watch{{.Normalized.Name}} is a free log subscription operation binding the contract event 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type}}{{end}}{{end}}) (event.Subscription, error) {
// Solidity: {{formatevent .Original $structs}}
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (event.Subscription, error) {
{{range .Normalized.Inputs}}
{{if .Indexed}}var {{.Name}}Rule []interface{}
for _, {{.Name}}Item := range {{.Name}} {
@ -439,6 +480,18 @@ var (
}
}), nil
}
// Parse{{.Normalized.Name}} is a log parse operation binding the contract event 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Parse{{.Normalized.Name}}(log types.Log) (*{{$contract.Type}}{{.Normalized.Name}}, error) {
event := new({{$contract.Type}}{{.Normalized.Name}})
if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil {
return nil, err
}
return event, nil
}
{{end}}
{{end}}
`
@ -452,95 +505,112 @@ const tmplSourceJava = `
package {{.Package}};
import org.ethereum.geth.*;
import org.ethereum.geth.internal.*;
import java.util.*;
{{range $contract := .Contracts}}
public class {{.Type}} {
// ABI is the input ABI used to generate the binding from.
public final static String ABI = "{{.InputABI}}";
{{if .InputBin}}
// BYTECODE is the compiled bytecode used for deploying new contracts.
public final static byte[] BYTECODE = "{{.InputBin}}".getBytes();
// deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}});
{{range $index, $element := .Constructor.Inputs}}
args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}});
{{end}}
return new {{.Type}}(Geth.deployContract(auth, ABI, BYTECODE, client, args));
}
// Internal constructor used by contract deployment.
private {{.Type}}(BoundContract deployment) {
this.Address = deployment.getAddress();
this.Deployer = deployment.getDeployer();
this.Contract = deployment;
}
{{end}}
// Ethereum address where this contract is located at.
public final Address Address;
// Ethereum transaction in which this contract was deployed (if known!).
public final Transaction Deployer;
// Contract instance bound to a blockchain address.
private final BoundContract Contract;
// Creates a new instance of {{.Type}}, bound to a specific deployed contract.
public {{.Type}}(Address address, EthereumClient client) throws Exception {
this(Geth.bindContract(address, ABI, client));
}
{{range .Calls}}
{{if gt (len .Normalized.Outputs) 1}}
// {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}.
public class {{capitalise .Normalized.Name}}Results {
{{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}};
{{end}}
}
{{$structs := $contract.Structs}}
{{if not .Library}}public {{end}}class {{.Type}} {
// ABI is the input ABI used to generate the binding from.
public final static String ABI = "{{.InputABI}}";
{{if $contract.FuncSigs}}
// {{.Type}}FuncSigs maps the 4-byte function signature to its string representation.
public final static Map<String, String> {{.Type}}FuncSigs;
static {
Hashtable<String, String> temp = new Hashtable<String, String>();
{{range $strsig, $binsig := .FuncSigs}}temp.put("{{$binsig}}", "{{$strsig}}");
{{end}}
{{.Type}}FuncSigs = Collections.unmodifiableMap(temp);
}
{{end}}
{{if .InputBin}}
// BYTECODE is the compiled bytecode used for deploying new contracts.
public final static String BYTECODE = "0x{{.InputBin}}";
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
{{range $index, $item := .Normalized.Inputs}}args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}});
{{end}}
// deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}});
String bytecode = BYTECODE;
{{if .Libraries}}
Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}});
{{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type) .Type}}(); results.set({{$index}}, result{{$index}});
{{end}}
if (opts == null) {
opts = Geth.newCallOpts();
}
this.Contract.call(opts, results, "{{.Original.Name}}", args);
{{if gt (len .Normalized.Outputs) 1}}
{{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results();
{{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type) .Type}}();
{{end}}
return result;
{{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type) .Type}}();{{end}}
{{end}}
}
// "link" contract to dependent libraries by deploying them first.
{{range $pattern, $name := .Libraries}}
{{capitalise $name}} {{decapitalise $name}}Inst = {{capitalise $name}}.deploy(auth, client);
bytecode = bytecode.replace("__${{$pattern}}$__", {{decapitalise $name}}Inst.Address.getHex().substring(2));
{{end}}
{{end}}
{{range $index, $element := .Constructor.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
{{end}}
return new {{.Type}}(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args));
}
{{range .Transacts}}
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
{{range $index, $item := .Normalized.Inputs}}args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}});
{{end}}
// Internal constructor used by contract deployment.
private {{.Type}}(BoundContract deployment) {
this.Address = deployment.getAddress();
this.Deployer = deployment.getDeployer();
this.Contract = deployment;
}
{{end}}
return this.Contract.transact(opts, "{{.Original.Name}}" , args);
}
// Ethereum address where this contract is located at.
public final Address Address;
// Ethereum transaction in which this contract was deployed (if known!).
public final Transaction Deployer;
// Contract instance bound to a blockchain address.
private final BoundContract Contract;
// Creates a new instance of {{.Type}}, bound to a specific deployed contract.
public {{.Type}}(Address address, EthereumClient client) throws Exception {
this(Geth.bindContract(address, ABI, client));
}
{{range .Calls}}
{{if gt (len .Normalized.Outputs) 1}}
// {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}.
public class {{capitalise .Normalized.Name}}Results {
{{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type $structs}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}};
{{end}}
}
{{end}}
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
{{end}}
Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}});
{{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type $structs) .Type}}(); results.set({{$index}}, result{{$index}});
{{end}}
if (opts == null) {
opts = Geth.newCallOpts();
}
this.Contract.call(opts, results, "{{.Original.Name}}", args);
{{if gt (len .Normalized.Outputs) 1}}
{{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results();
{{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type $structs) .Type}}();
{{end}}
return result;
{{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type $structs) .Type}}();{{end}}
{{end}}
}
{{end}}
{{range .Transacts}}
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
//
// Solidity: {{.Original.String}}
public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
{{end}}
return this.Contract.transact(opts, "{{.Original.Name}}" , args);
}
{{end}}
}
{{end}}
`

3
accounts/abi/bind/util_test.go
View file

@ -56,7 +56,8 @@ func TestWaitDeployed(t *testing.T) {
backend := backends.NewSimulatedBackend(
core.GenesisAlloc{
crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(10000000000)},
}, 10000000,
},
10000000,
)
// Create the transaction.

73
accounts/abi/method_test.go
View file

@ -23,9 +23,13 @@ import (
const methoddata = `
[
{ "type" : "function", "name" : "balance", "constant" : true },
{ "type" : "function", "name" : "send", "constant" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] },
{ "type" : "function", "name" : "transfer", "constant" : false, "inputs" : [ { "name" : "from", "type" : "address" }, { "name" : "to", "type" : "address" }, { "name" : "value", "type" : "uint256" } ], "outputs" : [ { "name" : "success", "type" : "bool" } ] }
{"type": "function", "name": "balance", "constant": true },
{"type": "function", "name": "send", "constant": false, "inputs": [{ "name": "amount", "type": "uint256" }]},
{"type": "function", "name": "transfer", "constant": false, "inputs": [{"name": "from", "type": "address"}, {"name": "to", "type": "address"}, {"name": "value", "type": "uint256"}], "outputs": [{"name": "success", "type": "bool"}]},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple"}],"name":"tuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[]"}],"name":"tupleSlice","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5]"}],"name":"tupleArray","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5][]"}],"name":"complexTuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}
]`
func TestMethodString(t *testing.T) {
@ -45,6 +49,22 @@ func TestMethodString(t *testing.T) {
method: "transfer",
expectation: "function transfer(address from, address to, uint256 value) returns(bool success)",
},
{
method: "tuple",
expectation: "function tuple((uint256,uint256) a) returns()",
},
{
method: "tupleArray",
expectation: "function tupleArray((uint256,uint256)[5] a) returns()",
},
{
method: "tupleSlice",
expectation: "function tupleSlice((uint256,uint256)[] a) returns()",
},
{
method: "complexTuple",
expectation: "function complexTuple((uint256,uint256)[5][] a) returns()",
},
}
abi, err := JSON(strings.NewReader(methoddata))
@ -59,3 +79,50 @@ func TestMethodString(t *testing.T) {
}
}
}
func TestMethodSig(t *testing.T) {
var cases = []struct {
method string
expect string
}{
{
method: "balance",
expect: "balance()",
},
{
method: "send",
expect: "send(uint256)",
},
{
method: "transfer",
expect: "transfer(address,address,uint256)",
},
{
method: "tuple",
expect: "tuple((uint256,uint256))",
},
{
method: "tupleArray",
expect: "tupleArray((uint256,uint256)[5])",
},
{
method: "tupleSlice",
expect: "tupleSlice((uint256,uint256)[])",
},
{
method: "complexTuple",
expect: "complexTuple((uint256,uint256)[5][])",
},
}
abi, err := JSON(strings.NewReader(methoddata))
if err != nil {
t.Fatal(err)
}
for _, test := range cases {
got := abi.Methods[test.method].Sig()
if got != test.expect {
t.Errorf("expected string to be %s, got %s", test.expect, got)
}
}
}

8
accounts/abi/reflect.go
View file

@ -31,6 +31,14 @@ func indirect(v reflect.Value) reflect.Value {
return v
}
// indirectInterfaceOrPtr recursively dereferences the value until value is not interface.
func indirectInterfaceOrPtr(v reflect.Value) reflect.Value {
if (v.Kind() == reflect.Interface || v.Kind() == reflect.Ptr) && v.Elem().IsValid() {
return indirect(v.Elem())
}
return v
}
// reflectIntKind returns the reflect using the given size and
// unsignedness.
func reflectIntKindAndType(unsigned bool, size int) (reflect.Kind, reflect.Type) {

9
accounts/abi/type.go
View file

@ -68,7 +68,6 @@ func NewType(t string, components []ArgumentMarshaling) (typ Type, err error) {
if strings.Count(t, "[") != strings.Count(t, "]") {
return Type{}, fmt.Errorf("invalid arg type in abi")
}
typ.stringKind = t
// if there are brackets, get ready to go into slice/array mode and
@ -92,9 +91,7 @@ func NewType(t string, components []ArgumentMarshaling) (typ Type, err error) {
typ.Kind = reflect.Slice
typ.Elem = &embeddedType
typ.Type = reflect.SliceOf(embeddedType.Type)
if embeddedType.T == TupleTy {
typ.stringKind = embeddedType.stringKind + sliced
}
typ.stringKind = embeddedType.stringKind + sliced
} else if len(intz) == 1 {
// is a array
typ.T = ArrayTy
@ -105,9 +102,7 @@ func NewType(t string, components []ArgumentMarshaling) (typ Type, err error) {
return Type{}, fmt.Errorf("abi: error parsing variable size: %v", err)
}
typ.Type = reflect.ArrayOf(typ.Size, embeddedType.Type)
if embeddedType.T == TupleTy {
typ.stringKind = embeddedType.stringKind + sliced
}
typ.stringKind = embeddedType.stringKind + sliced
} else {
return Type{}, fmt.Errorf("invalid formatting of array type")
}

16
accounts/abi/unpack_test.go
View file

@ -965,25 +965,21 @@ func TestUnpackTuple(t *testing.T) {
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // ret[a] = 1
buff.Write(common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")) // ret[b] = -1
// If the result is single tuple, use struct as return value container directly.
v := struct {
Ret struct {
A *big.Int
B *big.Int
}
}{Ret: struct {
A *big.Int
B *big.Int
}{new(big.Int), new(big.Int)}}
}{new(big.Int), new(big.Int)}
err = abi.Unpack(&v, "tuple", buff.Bytes())
if err != nil {
t.Error(err)
} else {
if v.Ret.A.Cmp(big.NewInt(1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", 1, v.Ret.A)
if v.A.Cmp(big.NewInt(1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", 1, v.A)
}
if v.Ret.B.Cmp(big.NewInt(-1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", v.Ret.B, -1)
if v.B.Cmp(big.NewInt(-1)) != 0 {
t.Errorf("unexpected value unpacked: want %x, got %x", v.B, -1)
}
}

9
accounts/external/backend.go vendored
View file

@ -182,18 +182,21 @@ func (api *ExternalSigner) SignText(account accounts.Account, text []byte) ([]by
func (api *ExternalSigner) SignTx(account accounts.Account, tx *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
res := ethapi.SignTransactionResult{}
to := common.NewMixedcaseAddress(*tx.To())
data := hexutil.Bytes(tx.Data())
var to *common.MixedcaseAddress
if tx.To() != nil {
t := common.NewMixedcaseAddress(*tx.To())
to = &t
}
args := &core.SendTxArgs{
Data: &data,
Nonce: hexutil.Uint64(tx.Nonce()),
Value: hexutil.Big(*tx.Value()),
Gas: hexutil.Uint64(tx.Gas()),
GasPrice: hexutil.Big(*tx.GasPrice()),
To: &to,
To: to,
From: common.NewMixedcaseAddress(account.Address),
}
if err := api.client.Call(&res, "account_signTransaction", args); err != nil {
return nil, err
}

6
accounts/keystore/keystore_test.go
View file

@ -379,9 +379,9 @@ func tmpKeyStore(t *testing.T, encrypted bool) (string, *KeyStore) {
if err != nil {
t.Fatal(err)
}
new := NewPlaintextKeyStore
newKs := NewPlaintextKeyStore
if encrypted {
new = func(kd string) *KeyStore { return NewKeyStore(kd, veryLightScryptN, veryLightScryptP) }
newKs = func(kd string) *KeyStore { return NewKeyStore(kd, veryLightScryptN, veryLightScryptP) }
}
return d, new(d)
return d, newKs(d)
}

4
appveyor.yml
View file

@ -23,8 +23,8 @@ environment:
install:
- git submodule update --init
- rmdir C:\go /s /q
- appveyor DownloadFile https://dl.google.com/go/go1.12.5.windows-%GETH_ARCH%.zip
- 7z x go1.12.5.windows-%GETH_ARCH%.zip -y -oC:\ > NUL
- appveyor DownloadFile https://dl.google.com/go/go1.12.7.windows-%GETH_ARCH%.zip
- 7z x go1.12.7.windows-%GETH_ARCH%.zip -y -oC:\ > NUL
- go version
- gcc --version

254
cmd/abigen/main.go
View file

@ -18,97 +18,199 @@ package main
import (
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"os"
"strings"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"gopkg.in/urfave/cli.v1"
)
const (
commandHelperTemplate = `{{.Name}}{{if .Subcommands}} command{{end}}{{if .Flags}} [command options]{{end}} [arguments...]
{{if .Description}}{{.Description}}
{{end}}{{if .Subcommands}}
SUBCOMMANDS:
{{range .Subcommands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}}{{end}}{{if .Flags}}
OPTIONS:
{{range $.Flags}}{{"\t"}}{{.}}
{{end}}
{{end}}`
)
var (
abiFlag = flag.String("abi", "", "Path to the Ethereum contract ABI json to bind, - for STDIN")
binFlag = flag.String("bin", "", "Path to the Ethereum contract bytecode (generate deploy method)")
typFlag = flag.String("type", "", "Struct name for the binding (default = package name)")
// Git SHA1 commit hash of the release (set via linker flags)
gitCommit = ""
gitDate = ""
solFlag = flag.String("sol", "", "Path to the Ethereum contract Solidity source to build and bind")
solcFlag = flag.String("solc", "solc", "Solidity compiler to use if source builds are requested")
excFlag = flag.String("exc", "", "Comma separated types to exclude from binding")
app *cli.App
vyFlag = flag.String("vy", "", "Path to the Ethereum contract Vyper source to build and bind")
vyperFlag = flag.String("vyper", "vyper", "Vyper compiler to use if source builds are requested")
pkgFlag = flag.String("pkg", "", "Package name to generate the binding into")
outFlag = flag.String("out", "", "Output file for the generated binding (default = stdout)")
langFlag = flag.String("lang", "go", "Destination language for the bindings (go, java, objc)")
// Flags needed by abigen
abiFlag = cli.StringFlag{
Name: "abi",
Usage: "Path to the Ethereum contract ABI json to bind, - for STDIN",
}
binFlag = cli.StringFlag{
Name: "bin",
Usage: "Path to the Ethereum contract bytecode (generate deploy method)",
}
typeFlag = cli.StringFlag{
Name: "type",
Usage: "Struct name for the binding (default = package name)",
}
jsonFlag = cli.StringFlag{
Name: "combined-json",
Usage: "Path to the combined-json file generated by compiler",
}
solFlag = cli.StringFlag{
Name: "sol",
Usage: "Path to the Ethereum contract Solidity source to build and bind",
}
solcFlag = cli.StringFlag{
Name: "solc",
Usage: "Solidity compiler to use if source builds are requested",
Value: "solc",
}
vyFlag = cli.StringFlag{
Name: "vy",
Usage: "Path to the Ethereum contract Vyper source to build and bind",
}
vyperFlag = cli.StringFlag{
Name: "vyper",
Usage: "Vyper compiler to use if source builds are requested",
Value: "vyper",
}
excFlag = cli.StringFlag{
Name: "exc",
Usage: "Comma separated types to exclude from binding",
}
pkgFlag = cli.StringFlag{
Name: "pkg",
Usage: "Package name to generate the binding into",
}
outFlag = cli.StringFlag{
Name: "out",
Usage: "Output file for the generated binding (default = stdout)",
}
langFlag = cli.StringFlag{
Name: "lang",
Usage: "Destination language for the bindings (go, java, objc)",
Value: "go",
}
)
func main() {
// Parse and ensure all needed inputs are specified
flag.Parse()
if *abiFlag == "" && *solFlag == "" && *vyFlag == "" {
fmt.Printf("No contract ABI (--abi), Solidity source (--sol), or Vyper source (--vy) specified\n")
os.Exit(-1)
} else if (*abiFlag != "" || *binFlag != "" || *typFlag != "") && (*solFlag != "" || *vyFlag != "") {
fmt.Printf("Contract ABI (--abi), bytecode (--bin) and type (--type) flags are mutually exclusive with the Solidity (--sol) and Vyper (--vy) flags\n")
os.Exit(-1)
} else if *solFlag != "" && *vyFlag != "" {
fmt.Printf("Solidity (--sol) and Vyper (--vy) flags are mutually exclusive\n")
os.Exit(-1)
func init() {
app = utils.NewApp(gitCommit, gitDate, "ethereum checkpoint helper tool")
app.Flags = []cli.Flag{
abiFlag,
binFlag,
typeFlag,
jsonFlag,
solFlag,
solcFlag,
vyFlag,
vyperFlag,
excFlag,
pkgFlag,
outFlag,
langFlag,
}
if *pkgFlag == "" {
fmt.Printf("No destination package specified (--pkg)\n")
os.Exit(-1)
app.Action = utils.MigrateFlags(abigen)
cli.CommandHelpTemplate = commandHelperTemplate
}
func abigen(c *cli.Context) error {
utils.CheckExclusive(c, abiFlag, jsonFlag, solFlag, vyFlag) // Only one source can be selected.
if c.GlobalString(pkgFlag.Name) == "" {
utils.Fatalf("No destination package specified (--pkg)")
}
var lang bind.Lang
switch *langFlag {
switch c.GlobalString(langFlag.Name) {
case "go":
lang = bind.LangGo
case "java":
lang = bind.LangJava
case "objc":
lang = bind.LangObjC
utils.Fatalf("Objc binding generation is uncompleted")
default:
fmt.Printf("Unsupported destination language \"%s\" (--lang)\n", *langFlag)
os.Exit(-1)
utils.Fatalf("Unsupported destination language \"%s\" (--lang)", c.GlobalString(langFlag.Name))
}
// If the entire solidity code was specified, build and bind based on that
var (
abis []string
bins []string
types []string
sigs []map[string]string
libs = make(map[string]string)
)
if *solFlag != "" || *vyFlag != "" || *abiFlag == "-" {
if c.GlobalString(abiFlag.Name) != "" {
// Load up the ABI, optional bytecode and type name from the parameters
var (
abi []byte
err error
)
input := c.GlobalString(abiFlag.Name)
if input == "-" {
abi, err = ioutil.ReadAll(os.Stdin)
} else {
abi, err = ioutil.ReadFile(input)
}
if err != nil {
utils.Fatalf("Failed to read input ABI: %v", err)
}
abis = append(abis, string(abi))
var bin []byte
if binFile := c.GlobalString(binFlag.Name); binFile != "" {
if bin, err = ioutil.ReadFile(binFile); err != nil {
utils.Fatalf("Failed to read input bytecode: %v", err)
}
if strings.Contains(string(bin), "//") {
utils.Fatalf("Contract has additional library references, please use other mode(e.g. --combined-json) to catch library infos")
}
}
bins = append(bins, string(bin))
kind := c.GlobalString(typeFlag.Name)
if kind == "" {
kind = c.GlobalString(pkgFlag.Name)
}
types = append(types, kind)
} else {
// Generate the list of types to exclude from binding
exclude := make(map[string]bool)
for _, kind := range strings.Split(*excFlag, ",") {
for _, kind := range strings.Split(c.GlobalString(excFlag.Name), ",") {
exclude[strings.ToLower(kind)] = true
}
var contracts map[string]*compiler.Contract
var err error
var contracts map[string]*compiler.Contract
switch {
case *solFlag != "":
contracts, err = compiler.CompileSolidity(*solcFlag, *solFlag)
case c.GlobalIsSet(solFlag.Name):
contracts, err = compiler.CompileSolidity(c.GlobalString(solcFlag.Name), c.GlobalString(solFlag.Name))
if err != nil {
fmt.Printf("Failed to build Solidity contract: %v\n", err)
os.Exit(-1)
utils.Fatalf("Failed to build Solidity contract: %v", err)
}
case *vyFlag != "":
contracts, err = compiler.CompileVyper(*vyperFlag, *vyFlag)
case c.GlobalIsSet(vyFlag.Name):
contracts, err = compiler.CompileVyper(c.GlobalString(vyperFlag.Name), c.GlobalString(vyFlag.Name))
if err != nil {
fmt.Printf("Failed to build Vyper contract: %v\n", err)
os.Exit(-1)
utils.Fatalf("Failed to build Vyper contract: %v", err)
}
default:
contracts, err = contractsFromStdin()
case c.GlobalIsSet(jsonFlag.Name):
jsonOutput, err := ioutil.ReadFile(c.GlobalString(jsonFlag.Name))
if err != nil {
fmt.Printf("Failed to read input ABIs from STDIN: %v\n", err)
os.Exit(-1)
utils.Fatalf("Failed to read combined-json from compiler: %v", err)
}
contracts, err = compiler.ParseCombinedJSON(jsonOutput, "", "", "", "")
if err != nil {
utils.Fatalf("Failed to read contract information from json output: %v", err)
}
}
// Gather all non-excluded contract for binding
@ -118,61 +220,39 @@ func main() {
}
abi, err := json.Marshal(contract.Info.AbiDefinition) // Flatten the compiler parse
if err != nil {
fmt.Printf("Failed to parse ABIs from compiler output: %v\n", err)
os.Exit(-1)
utils.Fatalf("Failed to parse ABIs from compiler output: %v", err)
}
abis = append(abis, string(abi))
bins = append(bins, contract.Code)
sigs = append(sigs, contract.Hashes)
nameParts := strings.Split(name, ":")
types = append(types, nameParts[len(nameParts)-1])
}
} else {
// Otherwise load up the ABI, optional bytecode and type name from the parameters
abi, err := ioutil.ReadFile(*abiFlag)
if err != nil {
fmt.Printf("Failed to read input ABI: %v\n", err)
os.Exit(-1)
libPattern := crypto.Keccak256Hash([]byte(name)).String()[2:36]
libs[libPattern] = nameParts[len(nameParts)-1]
}
abis = append(abis, string(abi))
var bin []byte
if *binFlag != "" {
if bin, err = ioutil.ReadFile(*binFlag); err != nil {
fmt.Printf("Failed to read input bytecode: %v\n", err)
os.Exit(-1)
}
}
bins = append(bins, string(bin))
kind := *typFlag
if kind == "" {
kind = *pkgFlag
}
types = append(types, kind)
}
// Generate the contract binding
code, err := bind.Bind(types, abis, bins, *pkgFlag, lang)
code, err := bind.Bind(types, abis, bins, sigs, c.GlobalString(pkgFlag.Name), lang, libs)
if err != nil {
fmt.Printf("Failed to generate ABI binding: %v\n", err)
os.Exit(-1)
utils.Fatalf("Failed to generate ABI binding: %v", err)
}
// Either flush it out to a file or display on the standard output
if *outFlag == "" {
if !c.GlobalIsSet(outFlag.Name) {
fmt.Printf("%s\n", code)
return
return nil
}
if err := ioutil.WriteFile(*outFlag, []byte(code), 0600); err != nil {
fmt.Printf("Failed to write ABI binding: %v\n", err)
os.Exit(-1)
if err := ioutil.WriteFile(c.GlobalString(outFlag.Name), []byte(code), 0600); err != nil {
utils.Fatalf("Failed to write ABI binding: %v", err)
}
return nil
}
func contractsFromStdin() (map[string]*compiler.Contract, error) {
bytes, err := ioutil.ReadAll(os.Stdin)
if err != nil {
return nil, err
func main() {
log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
return compiler.ParseCombinedJSON(bytes, "", "", "", "")
}

120
cmd/checkpoint-admin/common.go Normal file
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@ -0,0 +1,120 @@
// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"strconv"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/external"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/contracts/checkpointoracle"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rpc"
"gopkg.in/urfave/cli.v1"
)
// newClient creates a client with specified remote URL.
func newClient(ctx *cli.Context) *ethclient.Client {
client, err := ethclient.Dial(ctx.GlobalString(nodeURLFlag.Name))
if err != nil {
utils.Fatalf("Failed to connect to Ethereum node: %v", err)
}
return client
}
// newRPCClient creates a rpc client with specified node URL.
func newRPCClient(url string) *rpc.Client {
client, err := rpc.Dial(url)
if err != nil {
utils.Fatalf("Failed to connect to Ethereum node: %v", err)
}
return client
}
// getContractAddr retrieves the register contract address through
// rpc request.
func getContractAddr(client *rpc.Client) common.Address {
var addr string
if err := client.Call(&addr, "les_getCheckpointContractAddress"); err != nil {
utils.Fatalf("Failed to fetch checkpoint oracle address: %v", err)
}
return common.HexToAddress(addr)
}
// getCheckpoint retrieves the specified checkpoint or the latest one
// through rpc request.
func getCheckpoint(ctx *cli.Context, client *rpc.Client) *params.TrustedCheckpoint {
var checkpoint *params.TrustedCheckpoint
if ctx.GlobalIsSet(indexFlag.Name) {
var result [3]string
index := uint64(ctx.GlobalInt64(indexFlag.Name))
if err := client.Call(&result, "les_getCheckpoint", index); err != nil {
utils.Fatalf("Failed to get local checkpoint %v, please ensure the les API is exposed", err)
}
checkpoint = &params.TrustedCheckpoint{
SectionIndex: index,
SectionHead: common.HexToHash(result[0]),
CHTRoot: common.HexToHash(result[1]),
BloomRoot: common.HexToHash(result[2]),
}
} else {
var result [4]string
err := client.Call(&result, "les_latestCheckpoint")
if err != nil {
utils.Fatalf("Failed to get local checkpoint %v, please ensure the les API is exposed", err)
}
index, err := strconv.ParseUint(result[0], 0, 64)
if err != nil {
utils.Fatalf("Failed to parse checkpoint index %v", err)
}
checkpoint = &params.TrustedCheckpoint{
SectionIndex: index,
SectionHead: common.HexToHash(result[1]),
CHTRoot: common.HexToHash(result[2]),
BloomRoot: common.HexToHash(result[3]),
}
}
return checkpoint
}
// newContract creates a registrar contract instance with specified
// contract address or the default contracts for mainnet or testnet.
func newContract(client *rpc.Client) (common.Address, *checkpointoracle.CheckpointOracle) {
addr := getContractAddr(client)
if addr == (common.Address{}) {
utils.Fatalf("No specified registrar contract address")
}
contract, err := checkpointoracle.NewCheckpointOracle(addr, ethclient.NewClient(client))
if err != nil {
utils.Fatalf("Failed to setup registrar contract %s: %v", addr, err)
}
return addr, contract
}
// newClefSigner sets up a clef backend and returns a clef transaction signer.
func newClefSigner(ctx *cli.Context) *bind.TransactOpts {
clef, err := external.NewExternalSigner(ctx.String(clefURLFlag.Name))
if err != nil {
utils.Fatalf("Failed to create clef signer %v", err)
}
return bind.NewClefTransactor(clef, accounts.Account{Address: common.HexToAddress(ctx.String(signerFlag.Name))})
}

311
cmd/checkpoint-admin/exec.go Normal file
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@ -0,0 +1,311 @@
// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"context"
"encoding/binary"
"fmt"
"math/big"
"strings"
"time"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/contracts/checkpointoracle"
"github.com/ethereum/go-ethereum/contracts/checkpointoracle/contract"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rpc"
"gopkg.in/urfave/cli.v1"
)
var commandDeploy = cli.Command{
Name: "deploy",
Usage: "Deploy a new checkpoint oracle contract",
Flags: []cli.Flag{
nodeURLFlag,
clefURLFlag,
signerFlag,
signersFlag,
thresholdFlag,
},
Action: utils.MigrateFlags(deploy),
}
var commandSign = cli.Command{
Name: "sign",
Usage: "Sign the checkpoint with the specified key",
Flags: []cli.Flag{
nodeURLFlag,
clefURLFlag,
signerFlag,
indexFlag,
hashFlag,
oracleFlag,
},
Action: utils.MigrateFlags(sign),
}
var commandPublish = cli.Command{
Name: "publish",
Usage: "Publish a checkpoint into the oracle",
Flags: []cli.Flag{
nodeURLFlag,
clefURLFlag,
signerFlag,
indexFlag,
signaturesFlag,
},
Action: utils.MigrateFlags(publish),
}
// deploy deploys the checkpoint registrar contract.
//
// Note the network where the contract is deployed depends on
// the network where the connected node is located.
func deploy(ctx *cli.Context) error {
// Gather all the addresses that should be permitted to sign
var addrs []common.Address
for _, account := range strings.Split(ctx.String(signersFlag.Name), ",") {
if trimmed := strings.TrimSpace(account); !common.IsHexAddress(trimmed) {
utils.Fatalf("Invalid account in --signers: '%s'", trimmed)
}
addrs = append(addrs, common.HexToAddress(account))
}
// Retrieve and validate the signing threshold
needed := ctx.Int(thresholdFlag.Name)
if needed == 0 || needed > len(addrs) {
utils.Fatalf("Invalid signature threshold %d", needed)
}
// Print a summary to ensure the user understands what they're signing
fmt.Printf("Deploying new checkpoint oracle:\n\n")
for i, addr := range addrs {
fmt.Printf("Admin %d => %s\n", i+1, addr.Hex())
}
fmt.Printf("\nSignatures needed to publish: %d\n", needed)
// setup clef signer, create an abigen transactor and an RPC client
transactor, client := newClefSigner(ctx), newClient(ctx)
// Deploy the checkpoint oracle
fmt.Println("Sending deploy request to Clef...")
oracle, tx, _, err := contract.DeployCheckpointOracle(transactor, client, addrs, big.NewInt(int64(params.CheckpointFrequency)),
big.NewInt(int64(params.CheckpointProcessConfirmations)), big.NewInt(int64(needed)))
if err != nil {
utils.Fatalf("Failed to deploy checkpoint oracle %v", err)
}
log.Info("Deployed checkpoint oracle", "address", oracle, "tx", tx.Hash().Hex())
return nil
}
// sign creates the signature for specific checkpoint
// with local key. Only contract admins have the permission to
// sign checkpoint.
func sign(ctx *cli.Context) error {
var (
offline bool // The indicator whether we sign checkpoint by offline.
chash common.Hash
cindex uint64
address common.Address
node *rpc.Client
oracle *checkpointoracle.CheckpointOracle
)
if !ctx.GlobalIsSet(nodeURLFlag.Name) {
// Offline mode signing
offline = true
if !ctx.IsSet(hashFlag.Name) {
utils.Fatalf("Please specify the checkpoint hash (--hash) to sign in offline mode")
}
chash = common.HexToHash(ctx.String(hashFlag.Name))
if !ctx.IsSet(indexFlag.Name) {
utils.Fatalf("Please specify checkpoint index (--index) to sign in offline mode")
}
cindex = ctx.Uint64(indexFlag.Name)
if !ctx.IsSet(oracleFlag.Name) {
utils.Fatalf("Please specify oracle address (--oracle) to sign in offline mode")
}
address = common.HexToAddress(ctx.String(oracleFlag.Name))
} else {
// Interactive mode signing, retrieve the data from the remote node
node = newRPCClient(ctx.GlobalString(nodeURLFlag.Name))
checkpoint := getCheckpoint(ctx, node)
chash, cindex, address = checkpoint.Hash(), checkpoint.SectionIndex, getContractAddr(node)
// Check the validity of checkpoint
reqCtx, cancelFn := context.WithTimeout(context.Background(), 10*time.Second)
defer cancelFn()
head, err := ethclient.NewClient(node).HeaderByNumber(reqCtx, nil)
if err != nil {
return err
}
num := head.Number.Uint64()
if num < ((cindex+1)*params.CheckpointFrequency + params.CheckpointProcessConfirmations) {
utils.Fatalf("Invalid future checkpoint")
}
_, oracle = newContract(node)
latest, _, h, err := oracle.Contract().GetLatestCheckpoint(nil)
if err != nil {
return err
}
if cindex < latest {
utils.Fatalf("Checkpoint is too old")
}
if cindex == latest && (latest != 0 || h.Uint64() != 0) {
utils.Fatalf("Stale checkpoint, latest registered %d, given %d", latest, cindex)
}
}
var (
signature string
signer string
)
// isAdmin checks whether the specified signer is admin.
isAdmin := func(addr common.Address) error {
signers, err := oracle.Contract().GetAllAdmin(nil)
if err != nil {
return err
}
for _, s := range signers {
if s == addr {
return nil
}
}
return fmt.Errorf("signer %v is not the admin", addr.Hex())
}
// Print to the user the data thy are about to sign
fmt.Printf("Oracle => %s\n", address.Hex())
fmt.Printf("Index %4d => %s\n", cindex, chash.Hex())
// Sign checkpoint in clef mode.
signer = ctx.String(signerFlag.Name)
if !offline {
if err := isAdmin(common.HexToAddress(signer)); err != nil {
return err
}
}
clef := newRPCClient(ctx.String(clefURLFlag.Name))
p := make(map[string]string)
buf := make([]byte, 8)
binary.BigEndian.PutUint64(buf, cindex)
p["address"] = address.Hex()
p["message"] = hexutil.Encode(append(buf, chash.Bytes()...))
fmt.Println("Sending signing request to Clef...")
if err := clef.Call(&signature, "account_signData", accounts.MimetypeDataWithValidator, signer, p); err != nil {
utils.Fatalf("Failed to sign checkpoint, err %v", err)
}
fmt.Printf("Signer => %s\n", signer)
fmt.Printf("Signature => %s\n", signature)
return nil
}
// sighash calculates the hash of the data to sign for the checkpoint oracle.
func sighash(index uint64, oracle common.Address, hash common.Hash) []byte {
buf := make([]byte, 8)
binary.BigEndian.PutUint64(buf, index)
data := append([]byte{0x19, 0x00}, append(oracle[:], append(buf, hash[:]...)...)...)
return crypto.Keccak256(data)
}
// ecrecover calculates the sender address from a sighash and signature combo.
func ecrecover(sighash []byte, sig []byte) common.Address {
sig[64] -= 27
defer func() { sig[64] += 27 }()
signer, err := crypto.SigToPub(sighash, sig)
if err != nil {
utils.Fatalf("Failed to recover sender from signature %x: %v", sig, err)
}
return crypto.PubkeyToAddress(*signer)
}
// publish registers the specified checkpoint which generated by connected node
// with a authorised private key.
func publish(ctx *cli.Context) error {
// Print the checkpoint oracle's current status to make sure we're interacting
// with the correct network and contract.
status(ctx)
// Gather the signatures from the CLI
var sigs [][]byte
for _, sig := range strings.Split(ctx.String(signaturesFlag.Name), ",") {
trimmed := strings.TrimPrefix(strings.TrimSpace(sig), "0x")
if len(trimmed) != 130 {
utils.Fatalf("Invalid signature in --signature: '%s'", trimmed)
} else {
sigs = append(sigs, common.Hex2Bytes(trimmed))
}
}
// Retrieve the checkpoint we want to sign to sort the signatures
var (
client = newRPCClient(ctx.GlobalString(nodeURLFlag.Name))
addr, oracle = newContract(client)
checkpoint = getCheckpoint(ctx, client)
sighash = sighash(checkpoint.SectionIndex, addr, checkpoint.Hash())
)
for i := 0; i < len(sigs); i++ {
for j := i + 1; j < len(sigs); j++ {
signerA := ecrecover(sighash, sigs[i])
signerB := ecrecover(sighash, sigs[j])
if bytes.Compare(signerA.Bytes(), signerB.Bytes()) > 0 {
sigs[i], sigs[j] = sigs[j], sigs[i]
}
}
}
// Retrieve recent header info to protect replay attack
reqCtx, cancelFn := context.WithTimeout(context.Background(), 10*time.Second)
defer cancelFn()
head, err := ethclient.NewClient(client).HeaderByNumber(reqCtx, nil)
if err != nil {
return err
}
num := head.Number.Uint64()
recent, err := ethclient.NewClient(client).HeaderByNumber(reqCtx, big.NewInt(int64(num-128)))
if err != nil {
return err
}
// Print a summary of the operation that's going to be performed
fmt.Printf("Publishing %d => %s:\n\n", checkpoint.SectionIndex, checkpoint.Hash().Hex())
for i, sig := range sigs {
fmt.Printf("Signer %d => %s\n", i+1, ecrecover(sighash, sig).Hex())
}
fmt.Println()
fmt.Printf("Sentry number => %d\nSentry hash => %s\n", recent.Number, recent.Hash().Hex())
// Publish the checkpoint into the oracle
fmt.Println("Sending publish request to Clef...")
tx, err := oracle.RegisterCheckpoint(newClefSigner(ctx), checkpoint.SectionIndex, checkpoint.Hash().Bytes(), recent.Number, recent.Hash(), sigs)
if err != nil {
utils.Fatalf("Register contract failed %v", err)
}
log.Info("Successfully registered checkpoint", "tx", tx.Hash().Hex())
return nil
}

117
cmd/checkpoint-admin/main.go Normal file
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@ -0,0 +1,117 @@
// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// checkpoint-admin is a utility that can be used to query checkpoint information
// and register stable checkpoints into an oracle contract.
package main
import (
"fmt"
"os"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common/fdlimit"
"github.com/ethereum/go-ethereum/log"
"gopkg.in/urfave/cli.v1"
)
const (
commandHelperTemplate = `{{.Name}}{{if .Subcommands}} command{{end}}{{if .Flags}} [command options]{{end}} [arguments...]
{{if .Description}}{{.Description}}
{{end}}{{if .Subcommands}}
SUBCOMMANDS:
{{range .Subcommands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}}{{end}}{{if .Flags}}
OPTIONS:
{{range $.Flags}}{{"\t"}}{{.}}
{{end}}
{{end}}`
)
var (
// Git SHA1 commit hash of the release (set via linker flags)
gitCommit = ""
gitDate = ""
)
var app *cli.App
func init() {
app = utils.NewApp(gitCommit, gitDate, "ethereum checkpoint helper tool")
app.Commands = []cli.Command{
commandStatus,
commandDeploy,
commandSign,
commandPublish,
}
app.Flags = []cli.Flag{
oracleFlag,
nodeURLFlag,
}
cli.CommandHelpTemplate = commandHelperTemplate
}
// Commonly used command line flags.
var (
indexFlag = cli.Int64Flag{
Name: "index",
Usage: "Checkpoint index (query latest from remote node if not specified)",
}
hashFlag = cli.StringFlag{
Name: "hash",
Usage: "Checkpoint hash (query latest from remote node if not specified)",
}
oracleFlag = cli.StringFlag{
Name: "oracle",
Usage: "Checkpoint oracle address (query from remote node if not specified)",
}
thresholdFlag = cli.Int64Flag{
Name: "threshold",
Usage: "Minimal number of signatures required to approve a checkpoint",
}
nodeURLFlag = cli.StringFlag{
Name: "rpc",
Value: "http://localhost:8545",
Usage: "The rpc endpoint of a local or remote geth node",
}
clefURLFlag = cli.StringFlag{
Name: "clef",
Value: "http://localhost:8550",
Usage: "The rpc endpoint of clef",
}
signerFlag = cli.StringFlag{
Name: "signer",
Usage: "Signer address for clef signing",
}
signersFlag = cli.StringFlag{
Name: "signers",
Usage: "Comma separated accounts of trusted checkpoint signers",
}
signaturesFlag = cli.StringFlag{
Name: "signatures",
Usage: "Comma separated checkpoint signatures to submit",
}
)
func main() {
log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
fdlimit.Raise(2048)
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}

61
cmd/checkpoint-admin/status.go Normal file
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@ -0,0 +1,61 @@
// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"gopkg.in/urfave/cli.v1"
)
var commandStatus = cli.Command{
Name: "status",
Usage: "Fetches the signers and checkpoint status of the oracle contract",
Flags: []cli.Flag{
nodeURLFlag,
},
Action: utils.MigrateFlags(status),
}
// status fetches the admin list of specified registrar contract.
func status(ctx *cli.Context) error {
// Create a wrapper around the checkpoint oracle contract
addr, oracle := newContract(newRPCClient(ctx.GlobalString(nodeURLFlag.Name)))
fmt.Printf("Oracle => %s\n", addr.Hex())
fmt.Println()
// Retrieve the list of authorized signers (admins)
admins, err := oracle.Contract().GetAllAdmin(nil)
if err != nil {
return err
}
for i, admin := range admins {
fmt.Printf("Admin %d => %s\n", i+1, admin.Hex())
}
fmt.Println()
// Retrieve the latest checkpoint
index, checkpoint, height, err := oracle.Contract().GetLatestCheckpoint(nil)
if err != nil {
return err
}
fmt.Printf("Checkpoint (published at #%d) %d => %s\n", height, index, common.Hash(checkpoint).Hex())
return nil
}

160
cmd/clef/README.md
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@ -1,41 +1,38 @@
Clef
----
Clef can be used to sign transactions and data and is meant as a replacement for geth's account management.
This allows DApps not to depend on geth's account management. When a DApp wants to sign data it can send the data to
the signer, the signer will then provide the user with context and asks the user for permission to sign the data. If
the users grants the signing request the signer will send the signature back to the DApp.
This setup allows a DApp to connect to a remote Ethereum node and send transactions that are locally signed. This can
help in situations when a DApp is connected to a remote node because a local Ethereum node is not available, not
synchronised with the chain or a particular Ethereum node that has no built-in (or limited) account management.
Clef can run as a daemon on the same machine, or off a usb-stick like [usb armory](https://inversepath.com/usbarmory),
or a separate VM in a [QubesOS](https://www.qubes-os.org/) type os setup.
# Clef
Check out
Clef can be used to sign transactions and data and is meant as a(n eventual) replacement for Geth's account management. This allows DApps to not depend on Geth's account management. When a DApp wants to sign data (or a transaction), it can send the content to Clef, which will then provide the user with context and asks for permission to sign the content. If the users grants the signing request, Clef will send the signature back to the DApp.
* the [tutorial](tutorial.md) for some concrete examples on how the signer works.
* the [setup docs](docs/setup.md) for some information on how to configure it to work on QubesOS or USBArmory.
* the [data types](datatypes.md) for detailed information on the json types used in the communication between
clef and an external UI
This setup allows a DApp to connect to a remote Ethereum node and send transactions that are locally signed. This can help in situations when a DApp is connected to an untrusted remote Ethereum node, because a local one is not available, not synchronised with the chain, or is a node that has no built-in (or limited) account management.
Clef can run as a daemon on the same machine, off a usb-stick like [USB armory](https://inversepath.com/usbarmory), or even a separate VM in a [QubesOS](https://www.qubes-os.org/) type setup.
Check out the
* [CLI tutorial](tutorial.md) for some concrete examples on how Clef works.
* [Setup docs](docs/setup.md) for infos on how to configure Clef on QubesOS or USB Armory.
* [Data types](datatypes.md) for details on the communication messages between Clef and an external UI.
## Command line flags
Clef accepts the following command line options:
```
COMMANDS:
init Initialize the signer, generate secret storage
attest Attest that a js-file is to be used
setpw Store a credential for a keystore file
delpw Remove a credential for a keystore file
gendoc Generate documentation about json-rpc format
help Shows a list of commands or help for one command
GLOBAL OPTIONS:
--loglevel value log level to emit to the screen (default: 4)
--keystore value Directory for the keystore (default: "$HOME/.ethereum/keystore")
--configdir value Directory for Clef configuration (default: "$HOME/.clef")
--chainid value Chain id to use for signing (1=mainnet, 3=ropsten, 4=rinkeby, 5=Goerli) (default: 1)
--chainid value Chain id to use for signing (1=mainnet, 3=Ropsten, 4=Rinkeby, 5=Goerli) (default: 1)
--lightkdf Reduce key-derivation RAM & CPU usage at some expense of KDF strength
--nousb Disables monitoring for and managing USB hardware wallets
--pcscdpath value Path to the smartcard daemon (pcscd) socket file (default: "/run/pcscd/pcscd.comm")
--rpcaddr value HTTP-RPC server listening interface (default: "localhost")
--rpcvhosts value Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard. (default: "localhost")
--ipcdisable Disable the IPC-RPC server
@ -43,60 +40,48 @@ GLOBAL OPTIONS:
--rpc Enable the HTTP-RPC server
--rpcport value HTTP-RPC server listening port (default: 8550)
--signersecret value A file containing the (encrypted) master seed to encrypt Clef data, e.g. keystore credentials and ruleset hash
--4bytedb value File containing 4byte-identifiers (default: "./4byte.json")
--4bytedb-custom value File used for writing new 4byte-identifiers submitted via API (default: "./4byte-custom.json")
--auditlog value File used to emit audit logs. Set to "" to disable (default: "audit.log")
--rules value Enable rule-engine (default: "rules.json")
--rules value Path to the rule file to auto-authorize requests with
--stdio-ui Use STDIN/STDOUT as a channel for an external UI. This means that an STDIN/STDOUT is used for RPC-communication with a e.g. a graphical user interface, and can be used when Clef is started by an external process.
--stdio-ui-test Mechanism to test interface between Clef and UI. Requires 'stdio-ui'.
--advanced If enabled, issues warnings instead of rejections for suspicious requests. Default off
--help, -h show help
--version, -v print the version
```
Example:
```
signer -keystore /my/keystore -chainid 4
```
```
$ clef -keystore /my/keystore -chainid 4
```
## Security model
The security model of the signer is as follows:
The security model of Clef is as follows:
* One critical component (the signer binary / daemon) is responsible for handling cryptographic operations: signing, private keys, encryption/decryption of keystore files.
* The signer binary has a well-defined 'external' API.
* One critical component (the Clef binary / daemon) is responsible for handling cryptographic operations: signing, private keys, encryption/decryption of keystore files.
* Clef has a well-defined 'external' API.
* The 'external' API is considered UNTRUSTED.
* The signer binary also communicates with whatever process that invoked the binary, via stdin/stdout.
* Clef also communicates with whatever process that invoked the binary, via stdin/stdout.
* This channel is considered 'trusted'. Over this channel, approvals and passwords are communicated.
The general flow for signing a transaction using e.g. geth is as follows:
The general flow for signing a transaction using e.g. Geth is as follows:
![image](sign_flow.png)
In this case, `geth` would be started with `--externalsigner=http://localhost:8550` and would relay requests to `eth.sendTransaction`.
In this case, `geth` would be started with `--signer http://localhost:8550` and would relay requests to `eth.sendTransaction`.
## TODOs
Some snags and todos
* [ ] The signer should take a startup param "--no-change", for UIs that do not contain the capability
to perform changes to things, only approve/deny. Such a UI should be able to start the signer in
a more secure mode by telling it that it only wants approve/deny capabilities.
* [x] It would be nice if the signer could collect new 4byte-id:s/method selectors, and have a
secondary database for those (`4byte_custom.json`). Users could then (optionally) submit their collections for
inclusion upstream.
* It should be possible to configure the signer to check if an account is indeed known to it, before
passing on to the UI. The reason it currently does not, is that it would make it possible to enumerate
accounts if it immediately returned "unknown account".
* [x] It should be possible to configure the signer to auto-allow listing (certain) accounts, instead of asking every time.
* [x] Done Upon startup, the signer should spit out some info to the caller (particularly important when executed in `stdio-ui`-mode),
invoking methods with the following info:
* [ ] Clef should take a startup param "--no-change", for UIs that do not contain the capability to perform changes to things, only approve/deny. Such a UI should be able to start the signer in a more secure mode by telling it that it only wants approve/deny capabilities.
* [x] It would be nice if Clef could collect new 4byte-id:s/method selectors, and have a secondary database for those (`4byte_custom.json`). Users could then (optionally) submit their collections for inclusion upstream.
* [ ] It should be possible to configure Clef to check if an account is indeed known to it, before passing on to the UI. The reason it currently does not, is that it would make it possible to enumerate accounts if it immediately returned "unknown account" (side channel attack).
* [x] It should be possible to configure Clef to auto-allow listing (certain) accounts, instead of asking every time.
* [x] Done Upon startup, Clef should spit out some info to the caller (particularly important when executed in `stdio-ui`-mode), invoking methods with the following info:
* [x] Version info about the signer
* [x] Address of API (http/ipc)
* [x] Address of API (HTTP/IPC)
* [ ] List of known accounts
* [ ] Have a default timeout on signing operations, so that if the user has not answered within e.g. 60 seconds, the request is rejected.
* [ ] `account_signRawTransaction`
@ -109,21 +94,16 @@ invoking methods with the following info:
* the number of unique recipients
* Geth todos
- The signer should pass the `Origin` header as call-info to the UI. As of right now, the way that info about the request is
put together is a bit of a hack into the http server. This could probably be greatly improved
- Relay: Geth should be started in `geth --external_signer localhost:8550`.
- Currently, the Geth APIs use `common.Address` in the arguments to transaction submission (e.g `to` field). This
type is 20 `bytes`, and is incapable of carrying checksum information. The signer uses `common.MixedcaseAddress`, which
retains the original input.
- The Geth api should switch to use the same type, and relay `to`-account verbatim to the external api.
- The signer should pass the `Origin` header as call-info to the UI. As of right now, the way that info about the request is put together is a bit of a hack into the HTTP server. This could probably be greatly improved.
- Relay: Geth should be started in `geth --signer localhost:8550`.
- Currently, the Geth APIs use `common.Address` in the arguments to transaction submission (e.g `to` field). This type is 20 `bytes`, and is incapable of carrying checksum information. The signer uses `common.MixedcaseAddress`, which retains the original input.
- The Geth API should switch to use the same type, and relay `to`-account verbatim to the external API.
* [x] Storage
* [x] An encrypted key-value storage should be implemented
* [x] An encrypted key-value storage should be implemented.
* See [rules.md](rules.md) for more info about this.
* Another potential thing to introduce is pairing.
* To prevent spurious requests which users just accept, implement a way to "pair" the caller with the signer (external API).
* Thus geth/mist/cpp would cryptographically handshake and afterwards the caller would be allowed to make signing requests.
* Thus Geth/cpp would cryptographically handshake and afterwards the caller would be allowed to make signing requests.
* This feature would make the addition of rules less dangerous.
* Wallets / accounts. Add API methods for wallets.
@ -132,37 +112,31 @@ put together is a bit of a hack into the http server. This could probably be gre
### External API
The signer listens to HTTP requests on `rpcaddr`:`rpcport`, with the same JSONRPC standard as Geth. The messages are
expected to be JSON [jsonrpc 2.0 standard](http://www.jsonrpc.org/specification).
Clef listens to HTTP requests on `rpcaddr`:`rpcport` (or to IPC on `ipcpath`), with the same JSON-RPC standard as Geth. The messages are expected to be [JSON-RPC 2.0 standard](https://www.jsonrpc.org/specification).
Some of these call can require user interaction. Clients must be aware that responses
may be delayed significantly or may never be received if a users decides to ignore the confirmation request.
Some of these call can require user interaction. Clients must be aware that responses may be delayed significantly or may never be received if a users decides to ignore the confirmation request.
The External API is **untrusted** : it does not accept credentials over this api, nor does it expect
that requests have any authority.
The External API is **untrusted**: it does not accept credentials over this API, nor does it expect that requests have any authority.
### UI API
### Internal UI API
The signer has one native console-based UI, for operation without any standalone tools.
However, there is also an API to communicate with an external UI. To enable that UI,
the signer needs to be executed with the `--stdio-ui` option, which allocates the
`stdin`/`stdout` for the UI-api.
Clef has one native console-based UI, for operation without any standalone tools. However, there is also an API to communicate with an external UI. To enable that UI, the signer needs to be executed with the `--stdio-ui` option, which allocates `stdin` / `stdout` for the UI API.
An example (insecure) proof-of-concept of has been implemented in `pythonsigner.py`.
The model is as follows:
* The user starts the UI app (`pythonsigner.py`).
* The UI app starts the `signer` with `--stdio-ui`, and listens to the
* The UI app starts `clef` with `--stdio-ui`, and listens to the
process output for confirmation-requests.
* The `signer` opens the external http api.
* When the `signer` receives requests, it sends a `jsonrpc` request via `stdout`.
* The UI app prompts the user accordingly, and responds to the `signer`
* The `signer` signs (or not), and responds to the original request.
* `clef` opens the external HTTP API.
* When the `signer` receives requests, it sends a JSON-RPC request via `stdout`.
* The UI app prompts the user accordingly, and responds to `clef`.
* `clef` signs (or not), and responds to the original request.
## External API
See the [external api changelog](extapi_changelog.md) for information about changes to this API.
See the [external API changelog](extapi_changelog.md) for information about changes to this API.
### Encoding
- number: positive integers that are hex encoded
@ -187,7 +161,7 @@ None
#### Result
- address [string]: account address that is derived from the generated key
- url [string]: location of the keyfile
#### Sample call
```json
{
@ -221,9 +195,9 @@ None
#### Result
- array with account records:
- account.address [string]: account address that is derived from the generated key
- account.type [string]: type of the
- account.type [string]: type of the
- account.url [string]: location of the account
#### Sample call
```json
{
@ -272,7 +246,7 @@ Response
#### Result
- signed transaction in RLP encoded form [data]
#### Sample call
```json
{
@ -372,7 +346,7 @@ Bash example:
#### Result
- calculated signature [data]
#### Sample call
```json
{
@ -407,7 +381,7 @@ Response
#### Result
- calculated signature [data]
#### Sample call
```json
{
@ -505,7 +479,7 @@ Derive the address from the account that was used to sign data with content type
#### Result
- derived account [address]
#### Sample call
```json
{
@ -534,16 +508,16 @@ Response
#### Import account
Import a private key into the keystore. The imported key is expected to be encrypted according to the web3 keystore
format.
#### Arguments
- account [object]: key in [web3 keystore format](https://github.com/ethereum/wiki/wiki/Web3-Secret-Storage-Definition) (retrieved with account_export)
- account [object]: key in [web3 keystore format](https://github.com/ethereum/wiki/wiki/Web3-Secret-Storage-Definition) (retrieved with account_export)
#### Result
- imported key [object]:
- key.address [address]: address of the imported key
- key.type [string]: type of the account
- key.url [string]: key URL
#### Sample call
```json
{
@ -594,14 +568,14 @@ Response
#### Export account from keystore
Export a private key from the keystore. The exported private key is encrypted with the original passphrase. When the
key is imported later this passphrase is required.
#### Arguments
- account [address]: export private key that is associated with this account
#### Result
- exported key, see [web3 keystore format](https://github.com/ethereum/wiki/wiki/Web3-Secret-Storage-Definition) for
more information
#### Sample call
```json
{
@ -643,8 +617,6 @@ Response
}
```
## UI API
These methods needs to be implemented by a UI listener.
@ -655,7 +627,7 @@ See `pythonsigner`, which can be invoked via `python3 pythonsigner.py test` to p
All methods in this API uses object-based parameters, so that there can be no mixups of parameters: each piece of data is accessed by key.
See the [ui api changelog](intapi_changelog.md) for information about changes to this API.
See the [ui API changelog](intapi_changelog.md) for information about changes to this API.
OBS! A slight deviation from `json` standard is in place: every request and response should be confined to a single line.
Whereas the `json` specification allows for linebreaks, linebreaks __should not__ be used in this communication channel, to make
@ -909,7 +881,7 @@ TLDR; Use this method to keep track of signed transactions, instead of using the
### OnSignerStartup / `ui_onSignerStartup`
This method provide the UI with information about what API version the signer uses (both internal and external) aswell as build-info and external api,
This method provide the UI with information about what API version the signer uses (both internal and external) aswell as build-info and external API,
in k/v-form.
Example call:
@ -953,9 +925,9 @@ A UI should conform to the following rules.
along with the UI.
### UI Implementations
### UI Implementations
There are a couple of implementation for a UI. We'll try to keep this list up to date.
There are a couple of implementation for a UI. We'll try to keep this list up to date.
| Name | Repo | UI type| No external resources| Blocky support| Verifies permissions | Hash information | No secondary storage | Statically linked| Can modify parameters|
| ---- | ---- | -------| ---- | ---- | ---- |---- | ---- | ---- | ---- |

6
cmd/clef/datatypes.md
View file

@ -11,7 +11,7 @@ Example:
"content_type": "text/plain",
"address": "0xDEADbEeF000000000000000000000000DeaDbeEf",
"raw_data": "GUV0aGVyZXVtIFNpZ25lZCBNZXNzYWdlOgoxMWhlbGxvIHdvcmxk",
"message": [
"messages": [
{
"name": "message",
"value": "\u0019Ethereum Signed Message:\n11hello world",
@ -133,7 +133,7 @@ This occurs _after_ successful completion of the entire signing procedure, but r
A ruleset that implements a rate limitation needs to know what transactions are sent out to the external interface. By hooking into this methods, the ruleset can maintain track of that count.
**OBS:** Note that if an attacker can restore your `clef` data to a previous point in time (e.g through a backup), the attacker can reset such windows, even if he/she is unable to decrypt the content.
**OBS:** Note that if an attacker can restore your `clef` data to a previous point in time (e.g through a backup), the attacker can reset such windows, even if he/she is unable to decrypt the content.
The `OnApproved` method cannot be responded to, it's purely informative
@ -179,7 +179,7 @@ Example:
```
### ListRequest
Sent when a request has been made to list addresses. The UI is provided with the full `account`s, including local directory names. Note: this information is not passed back to the external caller, who only sees the `address`es.
Sent when a request has been made to list addresses. The UI is provided with the full `account`s, including local directory names. Note: this information is not passed back to the external caller, who only sees the `address`es.
Example:
```json

31
cmd/clef/extapi_changelog.md
View file

@ -1,4 +1,15 @@
### Changelog for external API
## Changelog for external API
The API uses [semantic versioning](https://semver.org/).
TL;DR: Given a version number MAJOR.MINOR.PATCH, increment the:
* MAJOR version when you make incompatible API changes,
* MINOR version when you add functionality in a backwards-compatible manner, and
* PATCH version when you make backwards-compatible bug fixes.
Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.
### 6.0.0
@ -14,15 +25,15 @@ The addition of `contentType` makes it possible to use the method for different
* signing clique headers,
* signing plain personal messages,
* The external method `account_signTypedData` implements [EIP-712](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md) and makes it possible to sign typed data.
#### 4.0.0
* The external `account_Ecrecover`-method was removed.
* The external `account_Ecrecover`-method was removed.
* The external `account_Import`-method was removed.
#### 3.0.0
* The external `account_List`-method was changed to not expose `url`, which contained info about the local filesystem. It now returns only a list of addresses.
* The external `account_List`-method was changed to not expose `url`, which contained info about the local filesystem. It now returns only a list of addresses.
#### 2.0.0
@ -33,15 +44,3 @@ makes the `accounts_signTransaction` identical to the old `eth_signTransaction`.
#### 1.0.0
Initial release.
### Versioning
The API uses [semantic versioning](https://semver.org/).
TLDR; Given a version number MAJOR.MINOR.PATCH, increment the:
* MAJOR version when you make incompatible API changes,
* MINOR version when you add functionality in a backwards-compatible manner, and
* PATCH version when you make backwards-compatible bug fixes.
Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.

77
cmd/clef/intapi_changelog.md
View file

@ -1,24 +1,39 @@
### Changelog for internal API (ui-api)
## Changelog for internal API (ui-api)
### 6.0.0
The API uses [semantic versioning](https://semver.org/).
Removed `password` from responses to operations which require them. This is for two reasons,
TL;DR: Given a version number MAJOR.MINOR.PATCH, increment the:
- Consistency between how rulesets operate and how manual processing works. A rule can `Approve` but require the actual password to be stored in the clef storage.
With this change, the same stored password can be used even if rulesets are not enabled, but storage is.
- It also removes the usability-shortcut that a UI might otherwise want to implement; remembering passwords. Since we now will not require the
password on every `Approve`, there's no need for the UI to cache it locally.
- In a future update, we'll likely add `clef_storePassword` to the internal API, so the user can store it via his UI (currently only CLI works).
* MAJOR version when you make incompatible API changes,
* MINOR version when you add functionality in a backwards-compatible manner, and
* PATCH version when you make backwards-compatible bug fixes.
Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.
### 7.0.0
- The `message` field was renamed to `messages` in all data signing request methods to better reflect that it's a list, not a value.
- The `storage.Put` and `storage.Get` methods in the rule execution engine were lower-cased to `storage.put` and `storage.get` to be consistent with JavaScript call conventions.
### 6.0.0
Removed `password` from responses to operations which require them. This is for two reasons,
- Consistency between how rulesets operate and how manual processing works. A rule can `Approve` but require the actual password to be stored in the clef storage.
With this change, the same stored password can be used even if rulesets are not enabled, but storage is.
- It also removes the usability-shortcut that a UI might otherwise want to implement; remembering passwords. Since we now will not require the
password on every `Approve`, there's no need for the UI to cache it locally.
- In a future update, we'll likely add `clef_storePassword` to the internal API, so the user can store it via his UI (currently only CLI works).
Affected datatypes:
- `SignTxResponse`
- `SignDataResponse`
- `NewAccountResponse`
If `clef` requires a password, the `OnInputRequired` will be used to collect it.
If `clef` requires a password, the `OnInputRequired` will be used to collect it.
### 5.0.0
### 5.0.0
Changed the namespace format to adhere to the legacy ethereum format: `name_methodName`. Changes:
@ -38,7 +53,7 @@ Changed the namespace format to adhere to the legacy ethereum format: `name_meth
### 4.0.0
* Bidirectional communication implemented, so the UI can query `clef` via the stdin/stdout RPC channel. Methods implemented are:
- `clef_listWallets`
- `clef_listWallets`
- `clef_listAccounts`
- `clef_listWallets`
- `clef_deriveAccount`
@ -48,10 +63,10 @@ Changed the namespace format to adhere to the legacy ethereum format: `name_meth
- `clef_setChainId`
- `clef_export`
- `clef_import`
* The type `Account` was modified (the json-field `type` was removed), to consist of
```golang
* The type `Account` was modified (the json-field `type` was removed), to consist of
```go
type Account struct {
Address common.Address `json:"address"` // Ethereum account address derived from the key
URL URL `json:"url"` // Optional resource locator within a backend
@ -64,7 +79,7 @@ type Account struct {
* Make `ShowError`, `OnApprovedTx`, `OnSignerStartup` be json-rpc [notifications](https://www.jsonrpc.org/specification#notification):
> A Notification is a Request object without an "id" member. A Request object that is a Notification signifies the Client's lack of interest in the corresponding Response object, and as such no Response object needs to be returned to the client. The Server MUST NOT reply to a Notification, including those that are within a batch request.
>
>
> Notifications are not confirmable by definition, since they do not have a Response object to be returned. As such, the Client would not be aware of any errors (like e.g. "Invalid params","Internal error"
### 3.1.0
@ -79,15 +94,17 @@ type Account struct {
* Add `OnInputRequired(info UserInputRequest)` to internal API. This method is used when Clef needs user input, e.g. passwords.
The following structures are used:
```golang
UserInputRequest struct {
Prompt string `json:"prompt"`
Title string `json:"title"`
IsPassword bool `json:"isPassword"`
}
UserInputResponse struct {
Text string `json:"text"`
}
```go
UserInputRequest struct {
Prompt string `json:"prompt"`
Title string `json:"title"`
IsPassword bool `json:"isPassword"`
}
UserInputResponse struct {
Text string `json:"text"`
}
```
### 2.0.0
@ -161,15 +178,3 @@ Example call:
#### 1.0.0
Initial release.
### Versioning
The API uses [semantic versioning](https://semver.org/).
TLDR; Given a version number MAJOR.MINOR.PATCH, increment the:
* MAJOR version when you make incompatible API changes,
* MINOR version when you add functionality in a backwards-compatible manner, and
* PATCH version when you make backwards-compatible bug fixes.
Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.

168
cmd/clef/main.go
View file

@ -93,7 +93,7 @@ var (
chainIdFlag = cli.Int64Flag{
Name: "chainid",
Value: params.MainnetChainConfig.ChainID.Int64(),
Usage: "Chain id to use for signing (1=mainnet, 3=ropsten, 4=rinkeby, 5=Goerli)",
Usage: "Chain id to use for signing (1=mainnet, 3=Ropsten, 4=Rinkeby, 5=Goerli)",
}
rpcPortFlag = cli.IntFlag{
Name: "rpcport",
@ -116,8 +116,7 @@ var (
}
ruleFlag = cli.StringFlag{
Name: "rules",
Usage: "Enable rule-engine",
Value: "",
Usage: "Path to the rule file to auto-authorize requests with",
}
stdiouiFlag = cli.BoolFlag{
Name: "stdio-ui",
@ -160,7 +159,6 @@ incoming requests.
Whenever you make an edit to the rule file, you need to use attestation to tell
Clef that the file is 'safe' to execute.`,
}
setCredentialCommand = cli.Command{
Action: utils.MigrateFlags(setCredential),
Name: "setpw",
@ -172,8 +170,20 @@ Clef that the file is 'safe' to execute.`,
signerSecretFlag,
},
Description: `
The setpw command stores a password for a given address (keyfile). If you enter a blank passphrase, it will
remove any stored credential for that address (keyfile)
The setpw command stores a password for a given address (keyfile).
`}
delCredentialCommand = cli.Command{
Action: utils.MigrateFlags(removeCredential),
Name: "delpw",
Usage: "Remove a credential for a keystore file",
ArgsUsage: "<address>",
Flags: []cli.Flag{
logLevelFlag,
configdirFlag,
signerSecretFlag,
},
Description: `
The delpw command removes a password for a given address (keyfile).
`}
gendocCommand = cli.Command{
Action: GenDoc,
@ -210,9 +220,9 @@ func init() {
advancedMode,
}
app.Action = signer
app.Commands = []cli.Command{initCommand, attestCommand, setCredentialCommand, gendocCommand}
app.Commands = []cli.Command{initCommand, attestCommand, setCredentialCommand, delCredentialCommand, gendocCommand}
}
func main() {
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
@ -221,11 +231,20 @@ func main() {
}
func initializeSecrets(c *cli.Context) error {
// Get past the legal message
if err := initialize(c); err != nil {
return err
}
// Ensure the master key does not yet exist, we're not willing to overwrite
configDir := c.GlobalString(configdirFlag.Name)
if err := os.Mkdir(configDir, 0700); err != nil && !os.IsExist(err) {
return err
}
location := filepath.Join(configDir, "masterseed.json")
if _, err := os.Stat(location); err == nil {
return fmt.Errorf("master key %v already exists, will not overwrite", location)
}
// Key file does not exist yet, generate a new one and encrypt it
masterSeed := make([]byte, 256)
num, err := io.ReadFull(rand.Reader, masterSeed)
if err != nil {
@ -234,18 +253,18 @@ func initializeSecrets(c *cli.Context) error {
if num != len(masterSeed) {
return fmt.Errorf("failed to read enough random")
}
n, p := keystore.StandardScryptN, keystore.StandardScryptP
if c.GlobalBool(utils.LightKDFFlag.Name) {
n, p = keystore.LightScryptN, keystore.LightScryptP
}
text := "The master seed of clef is locked with a password. Please give a password. Do not forget this password."
text := "The master seed of clef will be locked with a password.\nPlease specify a password. Do not forget this password!"
var password string
for {
password = getPassPhrase(text, true)
if err := core.ValidatePasswordFormat(password); err != nil {
fmt.Printf("invalid password: %v\n", err)
} else {
fmt.Println()
break
}
}
@ -253,28 +272,27 @@ func initializeSecrets(c *cli.Context) error {
if err != nil {
return fmt.Errorf("failed to encrypt master seed: %v", err)
}
err = os.Mkdir(configDir, 0700)
if err != nil && !os.IsExist(err) {
// Double check the master key path to ensure nothing wrote there in between
if err = os.Mkdir(configDir, 0700); err != nil && !os.IsExist(err) {
return err
}
location := filepath.Join(configDir, "masterseed.json")
if _, err := os.Stat(location); err == nil {
return fmt.Errorf("file %v already exists, will not overwrite", location)
return fmt.Errorf("master key %v already exists, will not overwrite", location)
}
err = ioutil.WriteFile(location, cipherSeed, 0400)
if err != nil {
// Write the file and print the usual warning message
if err = ioutil.WriteFile(location, cipherSeed, 0400); err != nil {
return err
}
fmt.Printf("A master seed has been generated into %s\n", location)
fmt.Printf(`
This is required to be able to store credentials, such as :
This is required to be able to store credentials, such as:
* Passwords for keystores (used by rule engine)
* Storage for javascript rules
* Hash of rule-file
* Storage for JavaScript auto-signing rules
* Hash of JavaScript rule-file
You should treat that file with utmost secrecy, and make a backup of it.
NOTE: This file does not contain your accounts. Those need to be backed up separately!
You should treat 'masterseed.json' with utmost secrecy and make a backup of it!
* The password is necessary but not enough, you need to back up the master seed too!
* The master seed does not contain your accounts, those need to be backed up separately!
`)
return nil
@ -305,14 +323,18 @@ func attestFile(ctx *cli.Context) error {
func setCredential(ctx *cli.Context) error {
if len(ctx.Args()) < 1 {
utils.Fatalf("This command requires an address to be passed as an argument.")
utils.Fatalf("This command requires an address to be passed as an argument")
}
if err := initialize(ctx); err != nil {
return err
}
address := ctx.Args().First()
password := getPassPhrase("Enter a passphrase to store with this address.", true)
addr := ctx.Args().First()
if !common.IsHexAddress(addr) {
utils.Fatalf("Invalid address specified: %s", addr)
}
address := common.HexToAddress(addr)
password := getPassPhrase("Please enter a passphrase to store for this address:", true)
fmt.Println()
stretchedKey, err := readMasterKey(ctx, nil)
if err != nil {
@ -322,10 +344,38 @@ func setCredential(ctx *cli.Context) error {
vaultLocation := filepath.Join(configDir, common.Bytes2Hex(crypto.Keccak256([]byte("vault"), stretchedKey)[:10]))
pwkey := crypto.Keccak256([]byte("credentials"), stretchedKey)
// Initialize the encrypted storages
pwStorage := storage.NewAESEncryptedStorage(filepath.Join(vaultLocation, "credentials.json"), pwkey)
pwStorage.Put(address, password)
log.Info("Credential store updated", "key", address)
pwStorage.Put(address.Hex(), password)
log.Info("Credential store updated", "set", address)
return nil
}
func removeCredential(ctx *cli.Context) error {
if len(ctx.Args()) < 1 {
utils.Fatalf("This command requires an address to be passed as an argument")
}
if err := initialize(ctx); err != nil {
return err
}
addr := ctx.Args().First()
if !common.IsHexAddress(addr) {
utils.Fatalf("Invalid address specified: %s", addr)
}
address := common.HexToAddress(addr)
stretchedKey, err := readMasterKey(ctx, nil)
if err != nil {
utils.Fatalf(err.Error())
}
configDir := ctx.GlobalString(configdirFlag.Name)
vaultLocation := filepath.Join(configDir, common.Bytes2Hex(crypto.Keccak256([]byte("vault"), stretchedKey)[:10]))
pwkey := crypto.Keccak256([]byte("credentials"), stretchedKey)
pwStorage := storage.NewAESEncryptedStorage(filepath.Join(vaultLocation, "credentials.json"), pwkey)
pwStorage.Del(address.Hex())
log.Info("Credential store updated", "unset", address)
return nil
}
@ -340,13 +390,17 @@ func initialize(c *cli.Context) error {
if !confirm(legalWarning) {
return fmt.Errorf("aborted by user")
}
fmt.Println()
}
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(c.Int(logLevelFlag.Name)), log.StreamHandler(logOutput, log.TerminalFormat(true))))
return nil
}
func signer(c *cli.Context) error {
// If we have some unrecognized command, bail out
if args := c.Args(); len(args) > 0 {
return fmt.Errorf("invalid command: %q", args[0])
}
if err := initialize(c); err != nil {
return err
}
@ -376,7 +430,7 @@ func signer(c *cli.Context) error {
configDir := c.GlobalString(configdirFlag.Name)
if stretchedKey, err := readMasterKey(c, ui); err != nil {
log.Info("No master seed provided, rules disabled", "error", err)
log.Warn("Failed to open master, rules disabled", "err", err)
} else {
vaultLocation := filepath.Join(configDir, common.Bytes2Hex(crypto.Keccak256([]byte("vault"), stretchedKey)[:10]))
@ -390,17 +444,17 @@ func signer(c *cli.Context) error {
jsStorage := storage.NewAESEncryptedStorage(filepath.Join(vaultLocation, "jsstorage.json"), jskey)
configStorage := storage.NewAESEncryptedStorage(filepath.Join(vaultLocation, "config.json"), confkey)
//Do we have a rule-file?
// Do we have a rule-file?
if ruleFile := c.GlobalString(ruleFlag.Name); ruleFile != "" {
ruleJS, err := ioutil.ReadFile(c.GlobalString(ruleFile))
ruleJS, err := ioutil.ReadFile(ruleFile)
if err != nil {
log.Info("Could not load rulefile, rules not enabled", "file", "rulefile")
log.Warn("Could not load rules, disabling", "file", ruleFile, "err", err)
} else {
shasum := sha256.Sum256(ruleJS)
foundShaSum := hex.EncodeToString(shasum[:])
storedShasum := configStorage.Get("ruleset_sha256")
storedShasum, _ := configStorage.Get("ruleset_sha256")
if storedShasum != foundShaSum {
log.Info("Could not validate ruleset hash, rules not enabled", "got", foundShaSum, "expected", storedShasum)
log.Warn("Rule hash not attested, disabling", "hash", foundShaSum, "attested", storedShasum)
} else {
// Initialize rules
ruleEngine, err := rules.NewRuleEvaluator(ui, jsStorage)
@ -452,7 +506,6 @@ func signer(c *cli.Context) error {
Version: "1.0"},
}
if c.GlobalBool(utils.RPCEnabledFlag.Name) {
vhosts := splitAndTrim(c.GlobalString(utils.RPCVirtualHostsFlag.Name))
cors := splitAndTrim(c.GlobalString(utils.RPCCORSDomainFlag.Name))
@ -469,7 +522,6 @@ func signer(c *cli.Context) error {
listener.Close()
log.Info("HTTP endpoint closed", "url", httpEndpoint)
}()
}
if !c.GlobalBool(utils.IPCDisabledFlag.Name) {
if c.IsSet(utils.IPCPathFlag.Name) {
@ -496,8 +548,8 @@ func signer(c *cli.Context) error {
}
ui.OnSignerStartup(core.StartupInfo{
Info: map[string]interface{}{
"extapi_version": core.ExternalAPIVersion,
"intapi_version": core.InternalAPIVersion,
"extapi_version": core.ExternalAPIVersion,
"extapi_http": extapiURL,
"extapi_ipc": ipcapiURL,
},
@ -592,7 +644,6 @@ func readMasterKey(ctx *cli.Context, ui core.UIClientAPI) ([]byte, error) {
if len(masterSeed) < 256 {
return nil, fmt.Errorf("master seed of insufficient length, expected >255 bytes, got %d", len(masterSeed))
}
// Create vault location
vaultLocation := filepath.Join(configDir, common.Bytes2Hex(crypto.Keccak256([]byte("vault"), masterSeed)[:10]))
err = os.Mkdir(vaultLocation, 0700)
@ -620,13 +671,12 @@ func checkFile(filename string) error {
// confirm displays a text and asks for user confirmation
func confirm(text string) bool {
fmt.Printf(text)
fmt.Printf("\nEnter 'ok' to proceed:\n>")
fmt.Printf("\nEnter 'ok' to proceed:\n> ")
text, err := bufio.NewReader(os.Stdin).ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
if text := strings.TrimSpace(text); text == "ok" {
return true
}
@ -642,7 +692,7 @@ func testExternalUI(api *core.SignerAPI) {
a := common.HexToAddress("0xdeadbeef000000000000000000000000deadbeef")
addErr := func(errStr string) {
log.Info("Test error", "error", errStr)
log.Info("Test error", "err", errStr)
errs = append(errs, errStr)
}
@ -864,14 +914,14 @@ func GenDoc(ctx *cli.Context) {
"of the work in canonicalizing and making sense of the data, and it's up to the UI to present" +
"the user with the contents of the `message`"
sighash, msg := accounts.TextAndHash([]byte("hello world"))
message := []*core.NameValueType{{"message", msg, accounts.MimetypeTextPlain}}
messages := []*core.NameValueType{{"message", msg, accounts.MimetypeTextPlain}}
add("SignDataRequest", desc, &core.SignDataRequest{
Address: common.NewMixedcaseAddress(a),
Meta: meta,
ContentType: accounts.MimetypeTextPlain,
Rawdata: []byte(msg),
Message: message,
Messages: messages,
Hash: sighash})
}
{ // Sign plain text response
@ -982,29 +1032,3 @@ These data types are defined in the channel between clef and the UI`)
fmt.Println(elem)
}
}
/**
//Create Account
curl -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"account_new","params":["test"],"id":67}' localhost:8550
// List accounts
curl -i -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"account_list","params":[""],"id":67}' http://localhost:8550/
// Make Transaction
// safeSend(0x12)
// 4401a6e40000000000000000000000000000000000000000000000000000000000000012
// supplied abi
curl -i -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"account_signTransaction","params":[{"from":"0x82A2A876D39022B3019932D30Cd9c97ad5616813","gas":"0x333","gasPrice":"0x123","nonce":"0x0","to":"0x07a565b7ed7d7a678680a4c162885bedbb695fe0", "value":"0x10", "data":"0x4401a6e40000000000000000000000000000000000000000000000000000000000000012"},"test"],"id":67}' http://localhost:8550/
// Not supplied
curl -i -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"account_signTransaction","params":[{"from":"0x82A2A876D39022B3019932D30Cd9c97ad5616813","gas":"0x333","gasPrice":"0x123","nonce":"0x0","to":"0x07a565b7ed7d7a678680a4c162885bedbb695fe0", "value":"0x10", "data":"0x4401a6e40000000000000000000000000000000000000000000000000000000000000012"}],"id":67}' http://localhost:8550/
// Sign data
curl -i -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"account_sign","params":["0x694267f14675d7e1b9494fd8d72fefe1755710fa","bazonk gaz baz"],"id":67}' http://localhost:8550/
**/

6
cmd/clef/pythonsigner.py
View file

@ -42,7 +42,6 @@ class PipeTransport(ServerTransport):
self.output.write("\n")
class StdIOHandler():
def __init__(self):
pass
@ -76,7 +75,7 @@ class StdIOHandler():
:param transaction: transaction info
:param call_info: info abou the call, e.g. if ABI info could not be
:param meta: metadata about the request, e.g. where the call comes from
:return:
:return:
"""
transaction = req.get('transaction')
_from = req.get('from')
@ -158,8 +157,7 @@ class StdIOHandler():
return
def main(args):
cmd = ["./clef", "--stdio-ui"]
cmd = ["clef", "--stdio-ui"]
if len(args) > 0 and args[0] == "test":
cmd.extend(["--stdio-ui-test"])
print("cmd: {}".format(" ".join(cmd)))

182
cmd/clef/rules.md
View file

@ -19,32 +19,30 @@ The section below deals with both of them
A ruleset file is implemented as a `js` file. Under the hood, the ruleset-engine is a `SignerUI`, implementing the same methods as the `json-rpc` methods
defined in the UI protocol. Example:
```javascript
function asBig(str){
if(str.slice(0,2) == "0x"){ return new BigNumber(str.slice(2),16)}
return new BigNumber(str)
```js
function asBig(str) {
if (str.slice(0, 2) == "0x") {
return new BigNumber(str.slice(2), 16)
}
return new BigNumber(str)
}
// Approve transactions to a certain contract if value is below a certain limit
function ApproveTx(req){
var limit = big.Newint("0xb1a2bc2ec50000")
function ApproveTx(req) {
var limit = big.Newint("0xb1a2bc2ec50000")
var value = asBig(req.transaction.value);
if(req.transaction.to.toLowerCase()=="0xae967917c465db8578ca9024c205720b1a3651a9")
&& value.lt(limit) ){
return "Approve"
}
// If we return "Reject", it will be rejected.
// By not returning anything, it will be passed to the next UI, for manual processing
if (req.transaction.to.toLowerCase() == "0xae967917c465db8578ca9024c205720b1a3651a9") && value.lt(limit)) {
return "Approve"
}
// If we return "Reject", it will be rejected.
// By not returning anything, it will be passed to the next UI, for manual processing
}
//Approve listings if request made from IPC
// Approve listings if request made from IPC
function ApproveListing(req){
if (req.metadata.scheme == "ipc"){ return "Approve"}
}
```
Whenever the external API is called (and the ruleset is enabled), the `signer` calls the UI, which is an instance of a ruleset-engine. The ruleset-engine
@ -140,97 +138,97 @@ This is now implemented (with ephemeral non-encrypted storage for now, so not ye
## Example 1: ruleset for a rate-limited window
```javascript
function big(str){
if(str.slice(0,2) == "0x"){ return new BigNumber(str.slice(2),16)}
return new BigNumber(str)
```js
function big(str) {
if (str.slice(0, 2) == "0x") {
return new BigNumber(str.slice(2), 16)
}
return new BigNumber(str)
}
// Time window: 1 week
var window = 1000* 3600*24*7;
// Time window: 1 week
var window = 1000* 3600*24*7;
// Limit : 1 ether
var limit = new BigNumber("1e18");
// Limit : 1 ether
var limit = new BigNumber("1e18");
function isLimitOk(transaction){
var value = big(transaction.value)
// Start of our window function
var windowstart = new Date().getTime() - window;
function isLimitOk(transaction) {
var value = big(transaction.value)
// Start of our window function
var windowstart = new Date().getTime() - window;
var txs = [];
var stored = storage.Get('txs');
if(stored != ""){
txs = JSON.parse(stored)
}
// First, remove all that have passed out of the time-window
var newtxs = txs.filter(function(tx){return tx.tstamp > windowstart});
console.log(txs, newtxs.length);
// Secondly, aggregate the current sum
sum = new BigNumber(0)
sum = newtxs.reduce(function(agg, tx){ return big(tx.value).plus(agg)}, sum);
console.log("ApproveTx > Sum so far", sum);
console.log("ApproveTx > Requested", value.toNumber());
// Would we exceed weekly limit ?
return sum.plus(value).lt(limit)
var txs = [];
var stored = storage.get('txs');
if (stored != "") {
txs = JSON.parse(stored)
}
function ApproveTx(r){
if (isLimitOk(r.transaction)){
return "Approve"
}
return "Nope"
}
// First, remove all that have passed out of the time-window
var newtxs = txs.filter(function(tx){return tx.tstamp > windowstart});
console.log(txs, newtxs.length);
/**
* OnApprovedTx(str) is called when a transaction has been approved and signed. The parameter
* 'response_str' contains the return value that will be sent to the external caller.
* The return value from this method is ignore - the reason for having this callback is to allow the
* ruleset to keep track of approved transactions.
*
* When implementing rate-limited rules, this callback should be used.
* If a rule responds with neither 'Approve' nor 'Reject' - the tx goes to manual processing. If the user
* then accepts the transaction, this method will be called.
*
* TLDR; Use this method to keep track of signed transactions, instead of using the data in ApproveTx.
*/
function OnApprovedTx(resp){
var value = big(resp.tx.value)
var txs = []
// Load stored transactions
var stored = storage.Get('txs');
if(stored != ""){
txs = JSON.parse(stored)
}
// Add this to the storage
txs.push({tstamp: new Date().getTime(), value: value});
storage.Put("txs", JSON.stringify(txs));
}
// Secondly, aggregate the current sum
sum = new BigNumber(0)
sum = newtxs.reduce(function(agg, tx){ return big(tx.value).plus(agg)}, sum);
console.log("ApproveTx > Sum so far", sum);
console.log("ApproveTx > Requested", value.toNumber());
// Would we exceed weekly limit ?
return sum.plus(value).lt(limit)
}
function ApproveTx(r) {
if (isLimitOk(r.transaction)) {
return "Approve"
}
return "Nope"
}
/**
* OnApprovedTx(str) is called when a transaction has been approved and signed. The parameter
* 'response_str' contains the return value that will be sent to the external caller.
* The return value from this method is ignore - the reason for having this callback is to allow the
* ruleset to keep track of approved transactions.
*
* When implementing rate-limited rules, this callback should be used.
* If a rule responds with neither 'Approve' nor 'Reject' - the tx goes to manual processing. If the user
* then accepts the transaction, this method will be called.
*
* TLDR; Use this method to keep track of signed transactions, instead of using the data in ApproveTx.
*/
function OnApprovedTx(resp) {
var value = big(resp.tx.value)
var txs = []
// Load stored transactions
var stored = storage.get('txs');
if (stored != "") {
txs = JSON.parse(stored)
}
// Add this to the storage
txs.push({tstamp: new Date().getTime(), value: value});
storage.put("txs", JSON.stringify(txs));
}
```
## Example 2: allow destination
```javascript
function ApproveTx(r){
if(r.transaction.from.toLowerCase()=="0x0000000000000000000000000000000000001337"){ return "Approve"}
if(r.transaction.from.toLowerCase()=="0x000000000000000000000000000000000000dead"){ return "Reject"}
// Otherwise goes to manual processing
```js
function ApproveTx(r) {
if (r.transaction.from.toLowerCase() == "0x0000000000000000000000000000000000001337") {
return "Approve"
}
if (r.transaction.from.toLowerCase() == "0x000000000000000000000000000000000000dead") {
return "Reject"
}
// Otherwise goes to manual processing
}
```
## Example 3: Allow listing
```javascript
function ApproveListing(){
return "Approve"
}
```
```js
function ApproveListing() {
return "Approve"
}
```

392
cmd/clef/tutorial.md
View file

@ -1,200 +1,278 @@
## Initializing the signer
## Initializing Clef
First, initialize the master seed.
First thing's first, Clef needs to store some data itself. Since that data might be sensitive (passwords, signing rules, accounts), Clef's entire storage is encrypted. To support encrypting data, the first step is to initialize Clef with a random master seed, itself too encrypted with your chosen password:
```text
#./signer init
$ clef init
WARNING!
The signer is alpha software, and not yet publically released. This software has _not_ been audited, and there
are no guarantees about the workings of this software. It may contain severe flaws. You should not use this software
unless you agree to take full responsibility for doing so, and know what you are doing.
Clef is an account management tool. It may, like any software, contain bugs.
TLDR; THIS IS NOT PRODUCTION-READY SOFTWARE!
Please take care to
- backup your keystore files,
- verify that the keystore(s) can be opened with your password.
Clef is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU General Public License for more details.
Enter 'ok' to proceed:
>ok
A master seed has been generated into /home/martin/.signer/secrets.dat
> ok
This is required to be able to store credentials, such as :
The master seed of clef will be locked with a password.
Please specify a password. Do not forget this password!
Passphrase:
Repeat passphrase:
A master seed has been generated into /home/martin/.clef/masterseed.json
This is required to be able to store credentials, such as:
* Passwords for keystores (used by rule engine)
* Storage for javascript rules
* Hash of rule-file
* Storage for JavaScript auto-signing rules
* Hash of JavaScript rule-file
You should treat that file with utmost secrecy, and make a backup of it.
NOTE: This file does not contain your accounts. Those need to be backed up separately!
You should treat 'masterseed.json' with utmost secrecy and make a backup of it!
* The password is necessary but not enough, you need to back up the master seed too!
* The master seed does not contain your accounts, those need to be backed up separately!
```
(for readability purposes, we'll remove the WARNING printout in the rest of this document)
*For readability purposes, we'll remove the WARNING printout, user confirmation and the unlocking of the master seed in the rest of this document.*
## Creating rules
## Remote interactions
Now, you can create a rule-file. Note that it is not mandatory to use predefined rules, but it's really handy.
Clef is capable of managing both key-file based accounts as well as hardware wallets. To evaluate clef, we're going to point it to our Rinkeby testnet keystore and specify the Rinkeby chain ID for signing (Clef doesn't have a backing chain, so it doesn't know what network it runs on).
```javascript
function ApproveListing(){
```text
$ clef --keystore ~/.ethereum/rinkeby/keystore --chainid 4
INFO [07-01|11:00:46.385] Starting signer chainid=4 keystore=$HOME/.ethereum/rinkeby/keystore light-kdf=false advanced=false
DEBUG[07-01|11:00:46.389] FS scan times list=3.521941ms set=9.017µs diff=4.112µs
DEBUG[07-01|11:00:46.391] Ledger support enabled
DEBUG[07-01|11:00:46.391] Trezor support enabled via HID
DEBUG[07-01|11:00:46.391] Trezor support enabled via WebUSB
INFO [07-01|11:00:46.391] Audit logs configured file=audit.log
DEBUG[07-01|11:00:46.392] IPC registered namespace=account
INFO [07-01|11:00:46.392] IPC endpoint opened url=$HOME/.clef/clef.ipc
------- Signer info -------
* intapi_version : 7.0.0
* extapi_version : 6.0.0
* extapi_http : n/a
* extapi_ipc : $HOME/.clef/clef.ipc
```
By default, Clef starts up in CLI (Command Line Interface) mode. Arbitrary remote processes may *request* account interactions (e.g. sign a transaction), which the user will need to individually *confirm*.
To test this out, we can *request* Clef to list all account via its *External API endpoint*:
```text
echo '{"id": 1, "jsonrpc": "2.0", "method": "account_list"}' | nc -U ~/.clef/clef.ipc
```
This will prompt the user within the Clef CLI to confirm or deny the request:
```text
-------- List Account request--------------
A request has been made to list all accounts.
You can select which accounts the caller can see
[x] 0xD9C9Cd5f6779558b6e0eD4e6Acf6b1947E7fA1F3
URL: keystore://$HOME/.ethereum/rinkeby/keystore/UTC--2017-04-14T15-15-00.327614556Z--d9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3
[x] 0x086278A6C067775F71d6B2BB1856Db6E28c30418
URL: keystore://$HOME/.ethereum/rinkeby/keystore/UTC--2018-02-06T22-53-11.211657239Z--086278a6c067775f71d6b2bb1856db6e28c30418
-------------------------------------------
Request context:
NA -> NA -> NA
Additional HTTP header data, provided by the external caller:
User-Agent:
Origin:
Approve? [y/N]:
>
```
Depending on whether we approve or deny the request, the original NetCat process will get:
```text
{"jsonrpc":"2.0","id":1,"result":["0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3","0x086278a6c067775f71d6b2bb1856db6e28c30418"]}
or
{"jsonrpc":"2.0","id":1,"error":{"code":-32000,"message":"Request denied"}}
```
Apart from listing accounts, you can also *request* creating a new account; signing transactions and data; and recovering signatures. You can find the available methods in the Clef [External API Spec](https://github.com/ethereum/go-ethereum/tree/master/cmd/clef#external-api-1) and the [External API Changelog](https://github.com/ethereum/go-ethereum/blob/master/cmd/clef/extapi_changelog.md).
*Note, the number of things you can do from the External API is deliberately small, since we want to limit the power of remote calls by as much as possible! Clef has an [Internal API](https://github.com/ethereum/go-ethereum/tree/master/cmd/clef#ui-api-1) too for the UI (User Interface) which is much richer and can support custom interfaces on top. But that's out of scope here.*
## Automatic rules
For most users, manually confirming every transaction is the way to go. However, there are cases when it makes sense to set up some rules which permit Clef to sign a transaction without prompting the user. One such example would be running a signer on Rinkeby or other PoA networks.
For starters, we can create a rule file that automatically permits anyone to list our available accounts without user confirmation. The rule file is a tiny JavaScript snippet that you can program however you want:
```js
function ApproveListing() {
return "Approve"
}
```
Get the `sha256` hash. If you have openssl, you can do `openssl sha256 rules.js`...
```text
#sha256sum rules.js
6c21d1737429d6d4f2e55146da0797782f3c0a0355227f19d702df377c165d72 rules.js
```
...now `attest` the file...
```text
#./signer attest 6c21d1737429d6d4f2e55146da0797782f3c0a0355227f19d702df377c165d72
Of course, Clef isn't going to just accept and run arbitrary scripts you give it, that would be dangerous if someone changes your rule file! Instead, you need to explicitly *attest* the rule file, which entails injecting its hash into Clef's secure store.
INFO [02-21|12:14:38] Ruleset attestation updated sha256=6c21d1737429d6d4f2e55146da0797782f3c0a0355227f19d702df377c165d72
```text
$ sha256sum rules.js
645b58e4f945e24d0221714ff29f6aa8e860382ced43490529db1695f5fcc71c rules.js
$ clef attest 645b58e4f945e24d0221714ff29f6aa8e860382ced43490529db1695f5fcc71c
Decrypt master seed of clef
Passphrase:
INFO [07-01|13:25:03.290] Ruleset attestation updated sha256=645b58e4f945e24d0221714ff29f6aa8e860382ced43490529db1695f5fcc71c
```
...and (this is required only for non-production versions) load a mock-up `4byte.json` by copying the file from the source to your current working directory:
```text
#cp $GOPATH/src/github.com/ethereum/go-ethereum/cmd/clef/4byte.json $PWD
```
At this point, we can start Clef with the rule file:
At this point, we can start the signer with the rule-file:
```text
#./signer --rules rules.js --rpc
$ clef --keystore ~/.ethereum/rinkeby/keystore --chainid 4 --rules rules.js
INFO [09-25|20:28:11.866] Using CLI as UI-channel
INFO [09-25|20:28:11.876] Loaded 4byte db signatures=5509 file=./4byte.json
INFO [09-25|20:28:11.877] Rule engine configured file=./rules.js
DEBUG[09-25|20:28:11.877] FS scan times list=100.781µs set=13.253µs diff=5.761µs
DEBUG[09-25|20:28:11.884] Ledger support enabled
DEBUG[09-25|20:28:11.888] Trezor support enabled
INFO [09-25|20:28:11.888] Audit logs configured file=audit.log
DEBUG[09-25|20:28:11.888] HTTP registered namespace=account
INFO [09-25|20:28:11.890] HTTP endpoint opened url=http://localhost:8550
DEBUG[09-25|20:28:11.890] IPC registered namespace=account
INFO [09-25|20:28:11.890] IPC endpoint opened url=<nil>
INFO [07-01|13:39:49.726] Rule engine configured file=rules.js
INFO [07-01|13:39:49.726] Starting signer chainid=4 keystore=$HOME/.ethereum/rinkeby/keystore light-kdf=false advanced=false
DEBUG[07-01|13:39:49.726] FS scan times list=35.15µs set=4.251µs diff=2.766µs
DEBUG[07-01|13:39:49.727] Ledger support enabled
DEBUG[07-01|13:39:49.727] Trezor support enabled via HID
DEBUG[07-01|13:39:49.727] Trezor support enabled via WebUSB
INFO [07-01|13:39:49.728] Audit logs configured file=audit.log
DEBUG[07-01|13:39:49.728] IPC registered namespace=account
INFO [07-01|13:39:49.728] IPC endpoint opened url=$HOME/.clef/clef.ipc
------- Signer info -------
* extapi_version : 2.0.0
* intapi_version : 2.0.0
* extapi_http : http://localhost:8550
* extapi_ipc : <nil>
* intapi_version : 7.0.0
* extapi_version : 6.0.0
* extapi_http : n/a
* extapi_ipc : $HOME/.clef/clef.ipc
```
Any list-requests will now be auto-approved by our rule-file.
Any account listing *request* will now be auto-approved by the rule file:
```text
$ echo '{"id": 1, "jsonrpc": "2.0", "method": "account_list"}' | nc -U ~/.clef/clef.ipc
{"jsonrpc":"2.0","id":1,"result":["0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3","0x086278a6c067775f71d6b2bb1856db6e28c30418"]}
```
## Under the hood
While doing the operations above, these files have been created:
```text
#ls -laR ~/.signer/
/home/martin/.signer/:
total 16
drwx------ 3 martin martin 4096 feb 21 12:14 .
drwxr-xr-x 71 martin martin 4096 feb 21 12:12 ..
drwx------ 2 martin martin 4096 feb 21 12:14 43f73718397aa54d1b22
-rwx------ 1 martin martin 256 feb 21 12:12 secrets.dat
$ ls -laR ~/.clef/
/home/martin/.signer/43f73718397aa54d1b22:
$HOME/.clef/:
total 24
drwxr-x--x 3 user user 4096 Jul 1 13:45 .
drwxr-xr-x 102 user user 12288 Jul 1 13:39 ..
drwx------ 2 user user 4096 Jul 1 13:25 02f90c0603f4f2f60188
-r-------- 1 user user 868 Jun 28 13:55 masterseed.json
$HOME/.clef/02f90c0603f4f2f60188:
total 12
drwx------ 2 martin martin 4096 feb 21 12:14 .
drwx------ 3 martin martin 4096 feb 21 12:14 ..
-rw------- 1 martin martin 159 feb 21 12:14 config.json
#cat /home/martin/.signer/43f73718397aa54d1b22/config.json
{"ruleset_sha256":{"iv":"6v4W4tfJxj3zZFbl","c":"6dt5RTDiTq93yh1qDEjpsat/tsKG7cb+vr3sza26IPL2fvsQ6ZoqFx++CPUa8yy6fD9Bbq41L01ehkKHTG3pOAeqTW6zc/+t0wv3AB6xPmU="}}
drwx------ 2 user user 4096 Jul 1 13:25 .
drwxr-x--x 3 user user 4096 Jul 1 13:45 ..
-rw------- 1 user user 159 Jul 1 13:25 config.json
$ cat ~/.clef/02f90c0603f4f2f60188/config.json
{"ruleset_sha256":{"iv":"SWWEtnl+R+I+wfG7","c":"I3fjmwmamxVcfGax7D0MdUOL29/rBWcs73WBILmYK0o1CrX7wSMc3y37KsmtlZUAjp0oItYq01Ow8VGUOzilG91tDHInB5YHNtm/YkufEbo="}}
```
In `~/.signer`, the `secrets.dat` file was created, containing the `master_seed`.
The `master_seed` was then used to derive a few other things:
In `$HOME/.clef`, the `masterseed.json` file was created, containing the master seed. This seed was then used to derive a few other things:
- `vault_location` : in this case `43f73718397aa54d1b22` .
- Thus, if you use a different `master_seed`, another `vault_location` will be used that does not conflict with each other.
- Example: `signer --signersecret /path/to/afile ...`
- `config.json` which is the encrypted key/value storage for configuration data, containing the key `ruleset_sha256`.
- **Vault location**: in this case `02f90c0603f4f2f60188`.
- If you use a different master seed, a different vault location will be used that does not conflict with each other (e.g. `clef --signersecret /path/to/file`). This allows you to run multiple instances of Clef, each with its own rules (e.g. mainnet + testnet).
- **`config.json`**: the encrypted key/value storage for configuration data, currently only containing the key `ruleset_sha256`, the attested hash of the automatic rules to use.
## Advanced rules
## Adding credentials
In order to make more useful rules like signing transactions, the signer needs access to the passwords needed to unlock keystores.
In order to make more useful rules - like signing transactions - the signer needs access to the passwords needed to unlock keys from the keystore. You can inject an unlock password via `clef setpw`.
```text
#./signer addpw "0x694267f14675d7e1b9494fd8d72fefe1755710fa" "test_password"
$ clef setpw 0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3
INFO [02-21|13:43:21] Credential store updated key=0x694267f14675d7e1b9494fd8d72fefe1755710fa
Please enter a passphrase to store for this address:
Passphrase:
Repeat passphrase:
Decrypt master seed of clef
Passphrase:
INFO [07-01|14:05:56.031] Credential store updated key=0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3
```
## More advanced rules
Now let's update the rules to make use of credentials:
Now let's update the rules to make use of the new credentials:
```javascript
function ApproveListing(){
```js
function ApproveListing() {
return "Approve"
}
function ApproveSignData(r){
if( r.address.toLowerCase() == "0x694267f14675d7e1b9494fd8d72fefe1755710fa")
{
if(r.message.indexOf("bazonk") >= 0){
function ApproveSignData(req) {
if (req.address.toLowerCase() == "0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3") {
if (req.messages[0].value.indexOf("bazonk") >= 0) {
return "Approve"
}
return "Reject"
}
// Otherwise goes to manual processing
}
```
In this example:
* Any requests to sign data with the account `0x694...` will be
* auto-approved if the message contains with `bazonk`
* auto-rejected if it does not.
* Any other signing-requests will be passed along for manual approve/reject.
_Note: make sure that `0x694...` is an account you have access to. You can create it either via the clef or the traditional account cli tool. If the latter was chosen, make sure both clef and geth use the same keystore by specifing `--keystore path/to/your/keystore` when running clef._
- Any requests to sign data with the account `0xd9c9...` will be:
- Auto-approved if the message contains `bazonk`,
- Auto-rejected if the message does not contain `bazonk`,
- Any other requests will be passed along for manual confirmation.
*Note, to make this example work, please use you own accounts. You can create a new account either via Clef or the traditional account CLI tools. If the latter was chosen, make sure both Clef and Geth use the same keystore by specifing `--keystore path/to/your/keystore` when running Clef.*
Attest the new rule file so that Clef will accept loading it:
Attest the new file...
```text
#sha256sum rules.js
2a0cb661dacfc804b6e95d935d813fd17c0997a7170e4092ffbc34ca976acd9f rules.js
$ sha256sum rules.js
f163a1738b649259bb9b369c593fdc4c6b6f86cc87e343c3ba58faee03c2a178 rules.js
#./signer attest 2a0cb661dacfc804b6e95d935d813fd17c0997a7170e4092ffbc34ca976acd9f
INFO [02-21|14:36:30] Ruleset attestation updated sha256=2a0cb661dacfc804b6e95d935d813fd17c0997a7170e4092ffbc34ca976acd9f
$ clef attest f163a1738b649259bb9b369c593fdc4c6b6f86cc87e343c3ba58faee03c2a178
Decrypt master seed of clef
Passphrase:
INFO [07-01|14:11:28.509] Ruleset attestation updated sha256=f163a1738b649259bb9b369c593fdc4c6b6f86cc87e343c3ba58faee03c2a178
```
And start the signer:
Restart Clef with the new rules in place:
```
#./signer --rules rules.js --rpc
$ clef --keystore ~/.ethereum/rinkeby/keystore --chainid 4 --rules rules.js
INFO [09-25|21:02:16.450] Using CLI as UI-channel
INFO [09-25|21:02:16.466] Loaded 4byte db signatures=5509 file=./4byte.json
INFO [09-25|21:02:16.467] Rule engine configured file=./rules.js
DEBUG[09-25|21:02:16.468] FS scan times list=1.45262ms set=21.926µs diff=6.944µs
DEBUG[09-25|21:02:16.473] Ledger support enabled
DEBUG[09-25|21:02:16.475] Trezor support enabled
INFO [09-25|21:02:16.476] Audit logs configured file=audit.log
DEBUG[09-25|21:02:16.476] HTTP registered namespace=account
INFO [09-25|21:02:16.478] HTTP endpoint opened url=http://localhost:8550
DEBUG[09-25|21:02:16.478] IPC registered namespace=account
INFO [09-25|21:02:16.478] IPC endpoint opened url=<nil>
INFO [07-01|14:12:41.636] Rule engine configured file=rules.js
INFO [07-01|14:12:41.636] Starting signer chainid=4 keystore=$HOME/.ethereum/rinkeby/keystore light-kdf=false advanced=false
DEBUG[07-01|14:12:41.636] FS scan times list=46.722µs set=4.47µs diff=2.157µs
DEBUG[07-01|14:12:41.637] Ledger support enabled
DEBUG[07-01|14:12:41.637] Trezor support enabled via HID
DEBUG[07-01|14:12:41.638] Trezor support enabled via WebUSB
INFO [07-01|14:12:41.638] Audit logs configured file=audit.log
DEBUG[07-01|14:12:41.638] IPC registered namespace=account
INFO [07-01|14:12:41.638] IPC endpoint opened url=$HOME/.clef/clef.ipc
------- Signer info -------
* extapi_version : 2.0.0
* intapi_version : 2.0.0
* extapi_http : http://localhost:8550
* extapi_ipc : <nil>
* intapi_version : 7.0.0
* extapi_version : 6.0.0
* extapi_http : n/a
* extapi_ipc : $HOME/.clef/clef.ipc
```
And then test signing, once with `bazonk` and once without:
Then test signing, once with `bazonk` and once without:
```
#curl -H "Content-Type: application/json" -X POST --data "{\"jsonrpc\":\"2.0\",\"method\":\"account_sign\",\"params\":[\"0x694267f14675d7e1b9494fd8d72fefe1755710fa\",\"0x$(xxd -pu <<< ' bazonk baz gaz')\"],\"id\":67}" http://localhost:8550/
{"jsonrpc":"2.0","id":67,"result":"0x93e6161840c3ae1efc26dc68dedab6e8fc233bb3fefa1b4645dbf6609b93dace160572ea4ab33240256bb6d3dadb60dcd9c515d6374d3cf614ee897408d41d541c"}
#curl -H "Content-Type: application/json" -X POST --data "{\"jsonrpc\":\"2.0\",\"method\":\"account_sign\",\"params\":[\"0x694267f14675d7e1b9494fd8d72fefe1755710fa\",\"0x$(xxd -pu <<< ' bonk baz gaz')\"],\"id\":67}" http://localhost:8550/
{"jsonrpc":"2.0","id":67,"error":{"code":-32000,"message":"Request denied"}}
$ echo '{"id": 1, "jsonrpc":"2.0", "method":"account_signData", "params":["data/plain", "0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3", "0x202062617a6f6e6b2062617a2067617a0a"]}' | nc -U ~/.clef/clef.ipc
{"jsonrpc":"2.0","id":1,"result":"0x4f93e3457027f6be99b06b3392d0ebc60615ba448bb7544687ef1248dea4f5317f789002df783979c417d969836b6fda3710f5bffb296b4d51c8aaae6e2ac4831c"}
$ echo '{"id": 1, "jsonrpc":"2.0", "method":"account_signData", "params":["data/plain", "0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3", "0x2020626f6e6b2062617a2067617a0a"]}' | nc -U ~/.clef/clef.ipc
{"jsonrpc":"2.0","id":1,"error":{"code":-32000,"message":"Request denied"}}
```
Meanwhile, in the signer output:
Meanwhile, in the Clef output log you can see:
```text
INFO [02-21|14:42:41] Op approved
INFO [02-21|14:42:56] Op rejected
@ -203,9 +281,73 @@ INFO [02-21|14:42:56] Op rejected
The signer also stores all traffic over the external API in a log file. The last 4 lines shows the two requests and their responses:
```text
#tail -n 4 audit.log
t=2018-02-21T14:42:41+0100 lvl=info msg=Sign api=signer type=request metadata="{\"remote\":\"127.0.0.1:49706\",\"local\":\"localhost:8550\",\"scheme\":\"HTTP/1.1\"}" addr="0x694267f14675d7e1b9494fd8d72fefe1755710fa [chksum INVALID]" data=202062617a6f6e6b2062617a2067617a0a
t=2018-02-21T14:42:42+0100 lvl=info msg=Sign api=signer type=response data=93e6161840c3ae1efc26dc68dedab6e8fc233bb3fefa1b4645dbf6609b93dace160572ea4ab33240256bb6d3dadb60dcd9c515d6374d3cf614ee897408d41d541c error=nil
t=2018-02-21T14:42:56+0100 lvl=info msg=Sign api=signer type=request metadata="{\"remote\":\"127.0.0.1:49708\",\"local\":\"localhost:8550\",\"scheme\":\"HTTP/1.1\"}" addr="0x694267f14675d7e1b9494fd8d72fefe1755710fa [chksum INVALID]" data=2020626f6e6b2062617a2067617a0a
t=2018-02-21T14:42:56+0100 lvl=info msg=Sign api=signer type=response data= error="Request denied"
```
$ tail -n 4 audit.log
t=2019-07-01T15:52:14+0300 lvl=info msg=SignData api=signer type=request metadata="{\"remote\":\"NA\",\"local\":\"NA\",\"scheme\":\"NA\",\"User-Agent\":\"\",\"Origin\":\"\"}" addr="0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3 [chksum INVALID]" data=0x202062617a6f6e6b2062617a2067617a0a content-type=data/plain
t=2019-07-01T15:52:14+0300 lvl=info msg=SignData api=signer type=response data=4f93e3457027f6be99b06b3392d0ebc60615ba448bb7544687ef1248dea4f5317f789002df783979c417d969836b6fda3710f5bffb296b4d51c8aaae6e2ac4831c error=nil
t=2019-07-01T15:52:23+0300 lvl=info msg=SignData api=signer type=request metadata="{\"remote\":\"NA\",\"local\":\"NA\",\"scheme\":\"NA\",\"User-Agent\":\"\",\"Origin\":\"\"}" addr="0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3 [chksum INVALID]" data=0x2020626f6e6b2062617a2067617a0a content-type=data/plain
t=2019-07-01T15:52:23+0300 lvl=info msg=SignData api=signer type=response data= error="Request denied"
```
For more details on writing automatic rules, please see the [rules spec](https://github.com/ethereum/go-ethereum/blob/master/cmd/clef/rules.md).
## Geth integration
Of course, as awesome as Clef is, it's not feasible to interact with it via JSON RPC by hand. Long term, we're hoping to convince the general Ethereum community to support Clef as a general signer (it's only 3-5 methods), thus allowing your favorite DApp, Metamask, MyCrypto, etc to request signatures directly.
Until then however, we're trying to pave the way via Geth. Geth v1.9.0 has built in support via `--signer <API endpoint>` for using a local or remote Clef instance as an account backend!
We can try this by running Clef with our previous rules on Rinkeby (for now it's a good idea to allow auto-listing accounts, since Geth likes to retrieve them once in a while).
```text
$ clef --keystore ~/.ethereum/rinkeby/keystore --chainid 4 --rules rules.js
```
In a different window we can start Geth, list our accounts, even list our wallets to see where the accounts originate from:
```text
$ geth --rinkeby --signer=~/.clef/clef.ipc console
> eth.accounts
["0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3", "0x086278a6c067775f71d6b2bb1856db6e28c30418"]
> personal.listWallets
[{
accounts: [{
address: "0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3",
url: "extapi://$HOME/.clef/clef.ipc"
}, {
address: "0x086278a6c067775f71d6b2bb1856db6e28c30418",
url: "extapi://$HOME/.clef/clef.ipc"
}],
status: "ok [version=6.0.0]",
url: "extapi://$HOME/.clef/clef.ipc"
}]
> eth.sendTransaction({from: eth.accounts[0], to: eth.accounts[0]})
```
Lastly, when we requested a transaction to be sent, Clef prompted us in the original window to approve it:
```text
--------- Transaction request-------------
to: 0xD9C9Cd5f6779558b6e0eD4e6Acf6b1947E7fA1F3
from: 0xD9C9Cd5f6779558b6e0eD4e6Acf6b1947E7fA1F3 [chksum ok]
value: 0 wei
gas: 0x5208 (21000)
gasprice: 1000000000 wei
nonce: 0x2366 (9062)
Request context:
NA -> NA -> NA
Additional HTTP header data, provided by the external caller:
User-Agent:
Origin:
-------------------------------------------
Approve? [y/N]:
> y
```
:boom:
*Note, if you enable the external signer backend in Geth, all other account management is disabled. This is because long term we want to remove account management from Geth.*

46
cmd/evm/runner.go
View file

@ -17,7 +17,6 @@
package main
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
@ -121,28 +120,36 @@ func runCmd(ctx *cli.Context) error {
ret []byte
err error
)
codeFileFlag := ctx.GlobalString(CodeFileFlag.Name)
codeFlag := ctx.GlobalString(CodeFlag.Name)
// The '--code' or '--codefile' flag overrides code in state
if ctx.GlobalString(CodeFileFlag.Name) != "" {
if codeFileFlag != "" || codeFlag != "" {
var hexcode []byte
var err error
// If - is specified, it means that code comes from stdin
if ctx.GlobalString(CodeFileFlag.Name) == "-" {
//Try reading from stdin
if hexcode, err = ioutil.ReadAll(os.Stdin); err != nil {
fmt.Printf("Could not load code from stdin: %v\n", err)
os.Exit(1)
if codeFileFlag != "" {
var err error
// If - is specified, it means that code comes from stdin
if codeFileFlag == "-" {
//Try reading from stdin
if hexcode, err = ioutil.ReadAll(os.Stdin); err != nil {
fmt.Printf("Could not load code from stdin: %v\n", err)
os.Exit(1)
}
} else {
// Codefile with hex assembly
if hexcode, err = ioutil.ReadFile(codeFileFlag); err != nil {
fmt.Printf("Could not load code from file: %v\n", err)
os.Exit(1)
}
}
} else {
// Codefile with hex assembly
if hexcode, err = ioutil.ReadFile(ctx.GlobalString(CodeFileFlag.Name)); err != nil {
fmt.Printf("Could not load code from file: %v\n", err)
os.Exit(1)
}
hexcode = []byte(codeFlag)
}
code = common.Hex2Bytes(string(bytes.TrimRight(hexcode, "\n")))
} else if ctx.GlobalString(CodeFlag.Name) != "" {
code = common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name))
if len(hexcode)%2 != 0 {
fmt.Printf("Invalid input length for hex data (%d)\n", len(hexcode))
os.Exit(1)
}
code = common.FromHex(string(hexcode))
} else if fn := ctx.Args().First(); len(fn) > 0 {
// EASM-file to compile
src, err := ioutil.ReadFile(fn)
@ -155,7 +162,6 @@ func runCmd(ctx *cli.Context) error {
}
code = common.Hex2Bytes(bin)
}
initialGas := ctx.GlobalUint64(GasFlag.Name)
if genesisConfig.GasLimit != 0 {
initialGas = genesisConfig.GasLimit
@ -209,7 +215,7 @@ func runCmd(ctx *cli.Context) error {
if ctx.GlobalBool(DumpFlag.Name) {
statedb.Commit(true)
statedb.IntermediateRoot(true)
fmt.Println(string(statedb.Dump()))
fmt.Println(string(statedb.Dump(false, false, true)))
}
if memProfilePath := ctx.GlobalString(MemProfileFlag.Name); memProfilePath != "" {

2
cmd/evm/staterunner.go
View file

@ -105,7 +105,7 @@ func stateTestCmd(ctx *cli.Context) error {
// Test failed, mark as so and dump any state to aid debugging
result.Pass, result.Error = false, err.Error()
if ctx.GlobalBool(DumpFlag.Name) && state != nil {
dump := state.RawDump()
dump := state.RawDump(false, false, true)
result.State = &dump
}
}

21
cmd/geth/chaincmd.go
View file

@ -162,6 +162,10 @@ Remove blockchain and state databases`,
utils.DataDirFlag,
utils.CacheFlag,
utils.SyncModeFlag,
utils.IterativeOutputFlag,
utils.ExcludeCodeFlag,
utils.ExcludeStorageFlag,
utils.IncludeIncompletesFlag,
},
Category: "BLOCKCHAIN COMMANDS",
Description: `
@ -287,7 +291,7 @@ func importChain(ctx *cli.Context) error {
fmt.Printf("Allocations: %.3f million\n", float64(mem.Mallocs)/1000000)
fmt.Printf("GC pause: %v\n\n", time.Duration(mem.PauseTotalNs))
if ctx.GlobalIsSet(utils.NoCompactionFlag.Name) {
if ctx.GlobalBool(utils.NoCompactionFlag.Name) {
return nil
}
@ -504,6 +508,7 @@ func dump(ctx *cli.Context) error {
defer stack.Close()
chain, chainDb := utils.MakeChain(ctx, stack)
defer chainDb.Close()
for _, arg := range ctx.Args() {
var block *types.Block
if hashish(arg) {
@ -520,10 +525,20 @@ func dump(ctx *cli.Context) error {
if err != nil {
utils.Fatalf("could not create new state: %v", err)
}
fmt.Printf("%s\n", state.Dump())
excludeCode := ctx.Bool(utils.ExcludeCodeFlag.Name)
excludeStorage := ctx.Bool(utils.ExcludeStorageFlag.Name)
includeMissing := ctx.Bool(utils.IncludeIncompletesFlag.Name)
if ctx.Bool(utils.IterativeOutputFlag.Name) {
state.IterativeDump(excludeCode, excludeStorage, !includeMissing, json.NewEncoder(os.Stdout))
} else {
if includeMissing {
fmt.Printf("If you want to include accounts with missing preimages, you need iterative output, since" +
" otherwise the accounts will overwrite each other in the resulting mapping.")
}
fmt.Printf("%v %s\n", includeMissing, state.Dump(excludeCode, excludeStorage, false))
}
}
}
chainDb.Close()
return nil
}

15
cmd/geth/config.go
View file

@ -20,7 +20,6 @@ import (
"bufio"
"errors"
"fmt"
"math/big"
"os"
"reflect"
"unicode"
@ -30,7 +29,6 @@ import (
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/dashboard"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/graphql"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/params"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
@ -125,7 +123,6 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
}
// Apply flags.
utils.SetULC(ctx, &cfg.Eth)
utils.SetNodeConfig(ctx, &cfg.Node)
stack, err := node.New(&cfg.Node)
if err != nil {
@ -135,7 +132,6 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
if ctx.GlobalIsSet(utils.EthStatsURLFlag.Name) {
cfg.Ethstats.URL = ctx.GlobalString(utils.EthStatsURLFlag.Name)
}
utils.SetShhConfig(ctx, stack, &cfg.Shh)
utils.SetDashboardConfig(ctx, &cfg.Dashboard)
@ -154,9 +150,6 @@ func enableWhisper(ctx *cli.Context) bool {
func makeFullNode(ctx *cli.Context) *node.Node {
stack, cfg := makeConfigNode(ctx)
if ctx.GlobalIsSet(utils.ConstantinopleOverrideFlag.Name) {
cfg.Eth.ConstantinopleOverride = new(big.Int).SetUint64(ctx.GlobalUint64(utils.ConstantinopleOverrideFlag.Name))
}
utils.RegisterEthService(stack, &cfg.Eth)
if ctx.GlobalBool(utils.DashboardEnabledFlag.Name) {
@ -177,14 +170,10 @@ func makeFullNode(ctx *cli.Context) *node.Node {
}
utils.RegisterShhService(stack, &cfg.Shh)
}
// Configure GraphQL if required
// Configure GraphQL if requested
if ctx.GlobalIsSet(utils.GraphQLEnabledFlag.Name) {
if err := graphql.RegisterGraphQLService(stack, cfg.Node.GraphQLEndpoint(), cfg.Node.GraphQLCors, cfg.Node.GraphQLVirtualHosts, cfg.Node.HTTPTimeouts); err != nil {
utils.Fatalf("Failed to register the Ethereum service: %v", err)
}
utils.RegisterGraphQLService(stack, cfg.Node.GraphQLEndpoint(), cfg.Node.GraphQLCors, cfg.Node.GraphQLVirtualHosts, cfg.Node.HTTPTimeouts)
}
// Add the Ethereum Stats daemon if requested.
if cfg.Ethstats.URL != "" {
utils.RegisterEthStatsService(stack, cfg.Ethstats.URL)

70
cmd/geth/main.go
View file

@ -21,6 +21,7 @@ import (
"fmt"
"math"
"os"
"runtime"
godebug "runtime/debug"
"sort"
"strconv"
@ -37,6 +38,7 @@ import (
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/internal/debug"
"github.com/ethereum/go-ethereum/les"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
@ -88,18 +90,19 @@ var (
utils.TxPoolAccountQueueFlag,
utils.TxPoolGlobalQueueFlag,
utils.TxPoolLifetimeFlag,
utils.ULCModeConfigFlag,
utils.OnlyAnnounceModeFlag,
utils.ULCTrustedNodesFlag,
utils.ULCMinTrustedFractionFlag,
utils.SyncModeFlag,
utils.ExitWhenSyncedFlag,
utils.GCModeFlag,
utils.LightServFlag,
utils.LightBandwidthInFlag,
utils.LightBandwidthOutFlag,
utils.LightPeersFlag,
utils.LightServeFlag,
utils.LightLegacyServFlag,
utils.LightIngressFlag,
utils.LightEgressFlag,
utils.LightMaxPeersFlag,
utils.LightLegacyPeersFlag,
utils.LightKDFFlag,
utils.UltraLightServersFlag,
utils.UltraLightFractionFlag,
utils.UltraLightOnlyAnnounceFlag,
utils.WhitelistFlag,
utils.CacheFlag,
utils.CacheDatabaseFlag,
@ -137,7 +140,6 @@ var (
utils.GoerliFlag,
utils.VMEnableDebugFlag,
utils.NetworkIdFlag,
utils.ConstantinopleOverrideFlag,
utils.EthStatsURLFlag,
utils.FakePoWFlag,
utils.NoCompactionFlag,
@ -256,11 +258,15 @@ func init() {
}
// Cap the cache allowance and tune the garbage collector
var mem gosigar.Mem
if err := mem.Get(); err == nil {
allowance := int(mem.Total / 1024 / 1024 / 3)
if cache := ctx.GlobalInt(utils.CacheFlag.Name); cache > allowance {
log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance)
ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(allowance))
// Workaround until OpenBSD support lands into gosigar
// Check https://github.com/elastic/gosigar#supported-platforms
if runtime.GOOS != "openbsd" {
if err := mem.Get(); err == nil {
allowance := int(mem.Total / 1024 / 1024 / 3)
if cache := ctx.GlobalInt(utils.CacheFlag.Name); cache > allowance {
log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance)
ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(allowance))
}
}
}
// Ensure Go's GC ignores the database cache for trigger percentage
@ -323,14 +329,33 @@ func startNode(ctx *cli.Context, stack *node.Node) {
events := make(chan accounts.WalletEvent, 16)
stack.AccountManager().Subscribe(events)
go func() {
// Create a chain state reader for self-derivation
rpcClient, err := stack.Attach()
if err != nil {
utils.Fatalf("Failed to attach to self: %v", err)
}
stateReader := ethclient.NewClient(rpcClient)
// Create a client to interact with local geth node.
rpcClient, err := stack.Attach()
if err != nil {
utils.Fatalf("Failed to attach to self: %v", err)
}
ethClient := ethclient.NewClient(rpcClient)
// Set contract backend for ethereum service if local node
// is serving LES requests.
if ctx.GlobalInt(utils.LightLegacyServFlag.Name) > 0 || ctx.GlobalInt(utils.LightServeFlag.Name) > 0 {
var ethService *eth.Ethereum
if err := stack.Service(&ethService); err != nil {
utils.Fatalf("Failed to retrieve ethereum service: %v", err)
}
ethService.SetContractBackend(ethClient)
}
// Set contract backend for les service if local node is
// running as a light client.
if ctx.GlobalString(utils.SyncModeFlag.Name) == "light" {
var lesService *les.LightEthereum
if err := stack.Service(&lesService); err != nil {
utils.Fatalf("Failed to retrieve light ethereum service: %v", err)
}
lesService.SetContractBackend(ethClient)
}
go func() {
// Open any wallets already attached
for _, wallet := range stack.AccountManager().Wallets() {
if err := wallet.Open(""); err != nil {
@ -354,7 +379,7 @@ func startNode(ctx *cli.Context, stack *node.Node) {
}
derivationPaths = append(derivationPaths, accounts.DefaultBaseDerivationPath)
event.Wallet.SelfDerive(derivationPaths, stateReader)
event.Wallet.SelfDerive(derivationPaths, ethClient)
case accounts.WalletDropped:
log.Info("Old wallet dropped", "url", event.Wallet.URL())
@ -383,7 +408,6 @@ func startNode(ctx *cli.Context, stack *node.Node) {
"age", common.PrettyAge(timestamp))
stack.Stop()
}
}
}()
}

31
cmd/geth/usage.go
View file

@ -82,14 +82,22 @@ var AppHelpFlagGroups = []flagGroup{
utils.GCModeFlag,
utils.EthStatsURLFlag,
utils.IdentityFlag,
utils.LightServFlag,
utils.LightBandwidthInFlag,
utils.LightBandwidthOutFlag,
utils.LightPeersFlag,
utils.LightKDFFlag,
utils.WhitelistFlag,
},
},
{
Name: "LIGHT CLIENT",
Flags: []cli.Flag{
utils.LightServeFlag,
utils.LightIngressFlag,
utils.LightEgressFlag,
utils.LightMaxPeersFlag,
utils.UltraLightServersFlag,
utils.UltraLightFractionFlag,
utils.UltraLightOnlyAnnounceFlag,
},
},
{
Name: "DEVELOPER CHAIN",
Flags: []cli.Flag{
@ -156,20 +164,25 @@ var AppHelpFlagGroups = []flagGroup{
{
Name: "API AND CONSOLE",
Flags: []cli.Flag{
utils.IPCDisabledFlag,
utils.IPCPathFlag,
utils.RPCEnabledFlag,
utils.RPCListenAddrFlag,
utils.RPCPortFlag,
utils.RPCApiFlag,
utils.RPCGlobalGasCap,
utils.RPCCORSDomainFlag,
utils.RPCVirtualHostsFlag,
utils.WSEnabledFlag,
utils.WSListenAddrFlag,
utils.WSPortFlag,
utils.WSApiFlag,
utils.WSAllowedOriginsFlag,
utils.IPCDisabledFlag,
utils.IPCPathFlag,
utils.RPCCORSDomainFlag,
utils.RPCVirtualHostsFlag,
utils.GraphQLEnabledFlag,
utils.GraphQLListenAddrFlag,
utils.GraphQLPortFlag,
utils.GraphQLCORSDomainFlag,
utils.GraphQLVirtualHostsFlag,
utils.JSpathFlag,
utils.ExecFlag,
utils.PreloadJSFlag,
@ -240,6 +253,8 @@ var AppHelpFlagGroups = []flagGroup{
{
Name: "DEPRECATED",
Flags: []cli.Flag{
utils.LightLegacyServFlag,
utils.LightLegacyPeersFlag,
utils.MinerLegacyThreadsFlag,
utils.MinerLegacyGasTargetFlag,
utils.MinerLegacyGasPriceFlag,

174
cmd/puppeth/module_explorer.go
View file

@ -30,108 +30,86 @@ import (
// explorerDockerfile is the Dockerfile required to run a block explorer.
var explorerDockerfile = `
FROM puppeth/explorer:latest
ADD ethstats.json /ethstats.json
ADD chain.json /chain.json
FROM puppeth/blockscout:latest
ADD genesis.json /genesis.json
RUN \
echo '(cd ../eth-net-intelligence-api && pm2 start /ethstats.json)' > explorer.sh && \
echo '(cd ../etherchain-light && npm start &)' >> explorer.sh && \
echo 'exec /parity/parity --chain=/chain.json --port={{.NodePort}} --tracing=on --fat-db=on --pruning=archive' >> explorer.sh
echo 'geth --cache 512 init /genesis.json' > explorer.sh && \
echo $'geth --networkid {{.NetworkID}} --syncmode "full" --gcmode "archive" --port {{.EthPort}} --bootnodes {{.Bootnodes}} --ethstats \'{{.Ethstats}}\' --cache=512 --rpc --rpcapi "net,web3,eth,shh,debug" --rpccorsdomain "*" --rpcvhosts "*" --ws --wsorigins "*" --exitwhensynced' >> explorer.sh && \
echo $'exec geth --networkid {{.NetworkID}} --syncmode "full" --gcmode "archive" --port {{.EthPort}} --bootnodes {{.Bootnodes}} --ethstats \'{{.Ethstats}}\' --cache=512 --rpc --rpcapi "net,web3,eth,shh,debug" --rpccorsdomain "*" --rpcvhosts "*" --ws --wsorigins "*" &' >> explorer.sh && \
echo '/usr/local/bin/docker-entrypoint.sh postgres &' >> explorer.sh && \
echo 'sleep 5' >> explorer.sh && \
echo 'mix do ecto.drop --force, ecto.create, ecto.migrate' >> explorer.sh && \
echo 'mix phx.server' >> explorer.sh
ENTRYPOINT ["/bin/sh", "explorer.sh"]
`
// explorerEthstats is the configuration file for the ethstats javascript client.
var explorerEthstats = `[
{
"name" : "node-app",
"script" : "app.js",
"log_date_format" : "YYYY-MM-DD HH:mm Z",
"merge_logs" : false,
"watch" : false,
"max_restarts" : 10,
"exec_interpreter" : "node",
"exec_mode" : "fork_mode",
"env":
{
"NODE_ENV" : "production",
"RPC_HOST" : "localhost",
"RPC_PORT" : "8545",
"LISTENING_PORT" : "{{.Port}}",
"INSTANCE_NAME" : "{{.Name}}",
"CONTACT_DETAILS" : "",
"WS_SERVER" : "{{.Host}}",
"WS_SECRET" : "{{.Secret}}",
"VERBOSITY" : 2
}
}
]`
// explorerComposefile is the docker-compose.yml file required to deploy and
// maintain a block explorer.
var explorerComposefile = `
version: '2'
services:
explorer:
build: .
image: {{.Network}}/explorer
container_name: {{.Network}}_explorer_1
ports:
- "{{.NodePort}}:{{.NodePort}}"
- "{{.NodePort}}:{{.NodePort}}/udp"{{if not .VHost}}
- "{{.WebPort}}:3000"{{end}}
volumes:
- {{.Datadir}}:/root/.local/share/io.parity.ethereum
environment:
- NODE_PORT={{.NodePort}}/tcp
- STATS={{.Ethstats}}{{if .VHost}}
- VIRTUAL_HOST={{.VHost}}
- VIRTUAL_PORT=3000{{end}}
logging:
driver: "json-file"
options:
max-size: "1m"
max-file: "10"
restart: always
explorer:
build: .
image: {{.Network}}/explorer
container_name: {{.Network}}_explorer_1
ports:
- "{{.EthPort}}:{{.EthPort}}"
- "{{.EthPort}}:{{.EthPort}}/udp"{{if not .VHost}}
- "{{.WebPort}}:4000"{{end}}
environment:
- ETH_PORT={{.EthPort}}
- ETH_NAME={{.EthName}}
- BLOCK_TRANSFORMER={{.Transformer}}{{if .VHost}}
- VIRTUAL_HOST={{.VHost}}
- VIRTUAL_PORT=4000{{end}}
volumes:
- {{.Datadir}}:/opt/app/.ethereum
- {{.DBDir}}:/var/lib/postgresql/data
logging:
driver: "json-file"
options:
max-size: "1m"
max-file: "10"
restart: always
`
// deployExplorer deploys a new block explorer container to a remote machine via
// SSH, docker and docker-compose. If an instance with the specified network name
// already exists there, it will be overwritten!
func deployExplorer(client *sshClient, network string, chainspec []byte, config *explorerInfos, nocache bool) ([]byte, error) {
func deployExplorer(client *sshClient, network string, bootnodes []string, config *explorerInfos, nocache bool, isClique bool) ([]byte, error) {
// Generate the content to upload to the server
workdir := fmt.Sprintf("%d", rand.Int63())
files := make(map[string][]byte)
dockerfile := new(bytes.Buffer)
template.Must(template.New("").Parse(explorerDockerfile)).Execute(dockerfile, map[string]interface{}{
"NodePort": config.nodePort,
"NetworkID": config.node.network,
"Bootnodes": strings.Join(bootnodes, ","),
"Ethstats": config.node.ethstats,
"EthPort": config.node.port,
})
files[filepath.Join(workdir, "Dockerfile")] = dockerfile.Bytes()
ethstats := new(bytes.Buffer)
template.Must(template.New("").Parse(explorerEthstats)).Execute(ethstats, map[string]interface{}{
"Port": config.nodePort,
"Name": config.ethstats[:strings.Index(config.ethstats, ":")],
"Secret": config.ethstats[strings.Index(config.ethstats, ":")+1 : strings.Index(config.ethstats, "@")],
"Host": config.ethstats[strings.Index(config.ethstats, "@")+1:],
})
files[filepath.Join(workdir, "ethstats.json")] = ethstats.Bytes()
transformer := "base"
if isClique {
transformer = "clique"
}
composefile := new(bytes.Buffer)
template.Must(template.New("").Parse(explorerComposefile)).Execute(composefile, map[string]interface{}{
"Datadir": config.datadir,
"Network": network,
"NodePort": config.nodePort,
"VHost": config.webHost,
"WebPort": config.webPort,
"Ethstats": config.ethstats[:strings.Index(config.ethstats, ":")],
"Network": network,
"VHost": config.host,
"Ethstats": config.node.ethstats,
"Datadir": config.node.datadir,
"DBDir": config.dbdir,
"EthPort": config.node.port,
"EthName": config.node.ethstats[:strings.Index(config.node.ethstats, ":")],
"WebPort": config.port,
"Transformer": transformer,
})
files[filepath.Join(workdir, "docker-compose.yaml")] = composefile.Bytes()
files[filepath.Join(workdir, "chain.json")] = chainspec
files[filepath.Join(workdir, "genesis.json")] = config.node.genesis
// Upload the deployment files to the remote server (and clean up afterwards)
if out, err := client.Upload(files); err != nil {
@ -149,22 +127,20 @@ func deployExplorer(client *sshClient, network string, chainspec []byte, config
// explorerInfos is returned from a block explorer status check to allow reporting
// various configuration parameters.
type explorerInfos struct {
datadir string
ethstats string
nodePort int
webHost string
webPort int
node *nodeInfos
dbdir string
host string
port int
}
// Report converts the typed struct into a plain string->string map, containing
// most - but not all - fields for reporting to the user.
func (info *explorerInfos) Report() map[string]string {
report := map[string]string{
"Data directory": info.datadir,
"Node listener port ": strconv.Itoa(info.nodePort),
"Ethstats username": info.ethstats,
"Website address ": info.webHost,
"Website listener port ": strconv.Itoa(info.webPort),
"Website address ": info.host,
"Website listener port ": strconv.Itoa(info.port),
"Ethereum listener port ": strconv.Itoa(info.node.port),
"Ethstats username": info.node.ethstats,
}
return report
}
@ -172,7 +148,7 @@ func (info *explorerInfos) Report() map[string]string {
// checkExplorer does a health-check against a block explorer server to verify
// whether it's running, and if yes, whether it's responsive.
func checkExplorer(client *sshClient, network string) (*explorerInfos, error) {
// Inspect a possible block explorer container on the host
// Inspect a possible explorer container on the host
infos, err := inspectContainer(client, fmt.Sprintf("%s_explorer_1", network))
if err != nil {
return nil, err
@ -181,13 +157,13 @@ func checkExplorer(client *sshClient, network string) (*explorerInfos, error) {
return nil, ErrServiceOffline
}
// Resolve the port from the host, or the reverse proxy
webPort := infos.portmap["3000/tcp"]
if webPort == 0 {
port := infos.portmap["4000/tcp"]
if port == 0 {
if proxy, _ := checkNginx(client, network); proxy != nil {
webPort = proxy.port
port = proxy.port
}
}
if webPort == 0 {
if port == 0 {
return nil, ErrNotExposed
}
// Resolve the host from the reverse-proxy and the config values
@ -196,17 +172,23 @@ func checkExplorer(client *sshClient, network string) (*explorerInfos, error) {
host = client.server
}
// Run a sanity check to see if the devp2p is reachable
nodePort := infos.portmap[infos.envvars["NODE_PORT"]]
if err = checkPort(client.server, nodePort); err != nil {
log.Warn(fmt.Sprintf("Explorer devp2p port seems unreachable"), "server", client.server, "port", nodePort, "err", err)
p2pPort := infos.portmap[infos.envvars["ETH_PORT"]+"/tcp"]
if err = checkPort(host, p2pPort); err != nil {
log.Warn("Explorer node seems unreachable", "server", host, "port", p2pPort, "err", err)
}
if err = checkPort(host, port); err != nil {
log.Warn("Explorer service seems unreachable", "server", host, "port", port, "err", err)
}
// Assemble and return the useful infos
stats := &explorerInfos{
datadir: infos.volumes["/root/.local/share/io.parity.ethereum"],
nodePort: nodePort,
webHost: host,
webPort: webPort,
ethstats: infos.envvars["STATS"],
node: &nodeInfos{
datadir: infos.volumes["/opt/app/.ethereum"],
port: infos.portmap[infos.envvars["ETH_PORT"]+"/tcp"],
ethstats: infos.envvars["ETH_NAME"],
},
dbdir: infos.volumes["/var/lib/postgresql/data"],
host: host,
port: port,
}
return stats, nil
}

2
cmd/puppeth/wizard_dashboard.go
View file

@ -77,7 +77,7 @@ func (w *wizard) deployDashboard() {
}
case "explorer":
if infos, err := checkExplorer(client, w.network); err == nil {
port = infos.webPort
port = infos.port
}
case "wallet":
if infos, err := checkWallet(client, w.network); err == nil {

55
cmd/puppeth/wizard_explorer.go
View file

@ -35,10 +35,6 @@ func (w *wizard) deployExplorer() {
log.Error("No ethstats server configured")
return
}
if w.conf.Genesis.Config.Ethash == nil {
log.Error("Only ethash network supported")
return
}
// Select the server to interact with
server := w.selectServer()
if server == "" {
@ -50,50 +46,57 @@ func (w *wizard) deployExplorer() {
infos, err := checkExplorer(client, w.network)
if err != nil {
infos = &explorerInfos{
nodePort: 30303, webPort: 80, webHost: client.server,
node: &nodeInfos{port: 30303},
port: 80,
host: client.server,
}
}
existed := err == nil
chainspec, err := newParityChainSpec(w.network, w.conf.Genesis, w.conf.bootnodes)
if err != nil {
log.Error("Failed to create chain spec for explorer", "err", err)
return
}
chain, _ := json.MarshalIndent(chainspec, "", " ")
infos.node.genesis, _ = json.MarshalIndent(w.conf.Genesis, "", " ")
infos.node.network = w.conf.Genesis.Config.ChainID.Int64()
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which port should the explorer listen on? (default = %d)\n", infos.webPort)
infos.webPort = w.readDefaultInt(infos.webPort)
fmt.Printf("Which port should the explorer listen on? (default = %d)\n", infos.port)
infos.port = w.readDefaultInt(infos.port)
// Figure which virtual-host to deploy ethstats on
if infos.webHost, err = w.ensureVirtualHost(client, infos.webPort, infos.webHost); err != nil {
if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
log.Error("Failed to decide on explorer host", "err", err)
return
}
// Figure out where the user wants to store the persistent data
fmt.Println()
if infos.datadir == "" {
fmt.Printf("Where should data be stored on the remote machine?\n")
infos.datadir = w.readString()
if infos.node.datadir == "" {
fmt.Printf("Where should node data be stored on the remote machine?\n")
infos.node.datadir = w.readString()
} else {
fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir)
infos.datadir = w.readDefaultString(infos.datadir)
fmt.Printf("Where should node data be stored on the remote machine? (default = %s)\n", infos.node.datadir)
infos.node.datadir = w.readDefaultString(infos.node.datadir)
}
// Figure out where the user wants to store the persistent data for backend database
fmt.Println()
if infos.dbdir == "" {
fmt.Printf("Where should postgres data be stored on the remote machine?\n")
infos.dbdir = w.readString()
} else {
fmt.Printf("Where should postgres data be stored on the remote machine? (default = %s)\n", infos.dbdir)
infos.dbdir = w.readDefaultString(infos.dbdir)
}
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which TCP/UDP port should the archive node listen on? (default = %d)\n", infos.nodePort)
infos.nodePort = w.readDefaultInt(infos.nodePort)
fmt.Printf("Which TCP/UDP port should the archive node listen on? (default = %d)\n", infos.node.port)
infos.node.port = w.readDefaultInt(infos.node.port)
// Set a proper name to report on the stats page
fmt.Println()
if infos.ethstats == "" {
if infos.node.ethstats == "" {
fmt.Printf("What should the explorer be called on the stats page?\n")
infos.ethstats = w.readString() + ":" + w.conf.ethstats
infos.node.ethstats = w.readString() + ":" + w.conf.ethstats
} else {
fmt.Printf("What should the explorer be called on the stats page? (default = %s)\n", infos.ethstats)
infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats
fmt.Printf("What should the explorer be called on the stats page? (default = %s)\n", infos.node.ethstats)
infos.node.ethstats = w.readDefaultString(infos.node.ethstats) + ":" + w.conf.ethstats
}
// Try to deploy the explorer on the host
nocache := false
@ -102,7 +105,7 @@ func (w *wizard) deployExplorer() {
fmt.Printf("Should the explorer be built from scratch (y/n)? (default = no)\n")
nocache = w.readDefaultYesNo(false)
}
if out, err := deployExplorer(client, w.network, chain, infos, nocache); err != nil {
if out, err := deployExplorer(client, w.network, w.conf.bootnodes, infos, nocache, w.conf.Genesis.Config.Clique != nil); err != nil {
log.Error("Failed to deploy explorer container", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)

17
cmd/puppeth/wizard_genesis.go
View file

@ -44,12 +44,13 @@ func (w *wizard) makeGenesis() {
Difficulty: big.NewInt(524288),
Alloc: make(core.GenesisAlloc),
Config: &params.ChainConfig{
HomesteadBlock: big.NewInt(1),
EIP150Block: big.NewInt(2),
EIP155Block: big.NewInt(3),
EIP158Block: big.NewInt(3),
ByzantiumBlock: big.NewInt(4),
ConstantinopleBlock: big.NewInt(5),
HomesteadBlock: big.NewInt(0),
EIP150Block: big.NewInt(0),
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
},
}
// Figure out which consensus engine to choose
@ -226,7 +227,7 @@ func (w *wizard) importGenesis() {
func (w *wizard) manageGenesis() {
// Figure out whether to modify or export the genesis
fmt.Println()
fmt.Println(" 1. Modify existing fork rules")
fmt.Println(" 1. Modify existing configurations")
fmt.Println(" 2. Export genesis configurations")
fmt.Println(" 3. Remove genesis configuration")
@ -261,7 +262,7 @@ func (w *wizard) manageGenesis() {
w.conf.Genesis.Config.PetersburgBlock = w.conf.Genesis.Config.ConstantinopleBlock
}
fmt.Println()
fmt.Printf("Which block should Constantinople-Fix (remove EIP-1283) come into effect? (default = %v)\n", w.conf.Genesis.Config.PetersburgBlock)
fmt.Printf("Which block should Petersburg come into effect? (default = %v)\n", w.conf.Genesis.Config.PetersburgBlock)
w.conf.Genesis.Config.PetersburgBlock = w.readDefaultBigInt(w.conf.Genesis.Config.PetersburgBlock)
out, _ := json.MarshalIndent(w.conf.Genesis.Config, "", " ")

2
cmd/puppeth/wizard_network.go
View file

@ -174,7 +174,7 @@ func (w *wizard) deployComponent() {
fmt.Println(" 1. Ethstats - Network monitoring tool")
fmt.Println(" 2. Bootnode - Entry point of the network")
fmt.Println(" 3. Sealer - Full node minting new blocks")
fmt.Println(" 4. Explorer - Chain analysis webservice (ethash only)")
fmt.Println(" 4. Explorer - Chain analysis webservice")
fmt.Println(" 5. Wallet - Browser wallet for quick sends")
fmt.Println(" 6. Faucet - Crypto faucet to give away funds")
fmt.Println(" 7. Dashboard - Website listing above web-services")

277
cmd/utils/flags.go
View file

@ -19,7 +19,7 @@ package utils
import (
"crypto/ecdsa"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"math/big"
@ -46,6 +46,7 @@ import (
"github.com/ethereum/go-ethereum/eth/gasprice"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethstats"
"github.com/ethereum/go-ethereum/graphql"
"github.com/ethereum/go-ethereum/les"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
@ -58,6 +59,7 @@ import (
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/p2p/netutil"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rpc"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
pcsclite "github.com/gballet/go-libpcsclite"
cli "gopkg.in/urfave/cli.v1"
@ -98,7 +100,6 @@ func NewApp(gitCommit, gitDate, usage string) *cli.App {
app := cli.NewApp()
app.Name = filepath.Base(os.Args[0])
app.Author = ""
//app.Authors = nil
app.Email = ""
app.Version = params.VersionWithCommit(gitCommit, gitDate)
app.Usage = usage
@ -153,10 +154,6 @@ var (
Name: "goerli",
Usage: "Görli network: pre-configured proof-of-authority test network",
}
ConstantinopleOverrideFlag = cli.Uint64Flag{
Name: "override.constantinople",
Usage: "Manually specify constantinople fork-block, overriding the bundled setting",
}
DeveloperFlag = cli.BoolFlag{
Name: "dev",
Usage: "Ephemeral proof-of-authority network with a pre-funded developer account, mining enabled",
@ -178,21 +175,21 @@ var (
Name: "exitwhensynced",
Usage: "Exits after block synchronisation completes",
}
ULCModeConfigFlag = cli.StringFlag{
Name: "ulc.config",
Usage: "Config file to use for ultra light client mode",
IterativeOutputFlag = cli.BoolFlag{
Name: "iterative",
Usage: "Print streaming JSON iteratively, delimited by newlines",
}
OnlyAnnounceModeFlag = cli.BoolFlag{
Name: "ulc.onlyannounce",
Usage: "ULC server sends announcements only",
ExcludeStorageFlag = cli.BoolFlag{
Name: "nostorage",
Usage: "Exclude storage entries (save db lookups)",
}
ULCMinTrustedFractionFlag = cli.IntFlag{
Name: "ulc.fraction",
Usage: "Minimum % of trusted ULC servers required to announce a new head",
IncludeIncompletesFlag = cli.BoolFlag{
Name: "incompletes",
Usage: "Include accounts for which we don't have the address (missing preimage)",
}
ULCTrustedNodesFlag = cli.StringFlag{
Name: "ulc.trusted",
Usage: "List of trusted ULC servers",
ExcludeCodeFlag = cli.BoolFlag{
Name: "nocode",
Usage: "Exclude contract code (save db lookups)",
}
defaultSyncMode = eth.DefaultConfig.SyncMode
SyncModeFlag = TextMarshalerFlag{
@ -205,26 +202,6 @@ var (
Usage: `Blockchain garbage collection mode ("full", "archive")`,
Value: "full",
}
LightServFlag = cli.IntFlag{
Name: "lightserv",
Usage: "Maximum percentage of time allowed for serving LES requests (multi-threaded processing allows values over 100)",
Value: 0,
}
LightBandwidthInFlag = cli.IntFlag{
Name: "lightbwin",
Usage: "Incoming bandwidth limit for light server (kilobytes/sec, 0 = unlimited)",
Value: 0,
}
LightBandwidthOutFlag = cli.IntFlag{
Name: "lightbwout",
Usage: "Outgoing bandwidth limit for light server (kilobytes/sec, 0 = unlimited)",
Value: 0,
}
LightPeersFlag = cli.IntFlag{
Name: "lightpeers",
Usage: "Maximum number of LES client peers",
Value: eth.DefaultConfig.LightPeers,
}
LightKDFFlag = cli.BoolFlag{
Name: "lightkdf",
Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength",
@ -233,6 +210,51 @@ var (
Name: "whitelist",
Usage: "Comma separated block number-to-hash mappings to enforce (<number>=<hash>)",
}
// Light server and client settings
LightLegacyServFlag = cli.IntFlag{ // Deprecated in favor of light.serve, remove in 2021
Name: "lightserv",
Usage: "Maximum percentage of time allowed for serving LES requests (deprecated, use --light.serve)",
Value: eth.DefaultConfig.LightServ,
}
LightServeFlag = cli.IntFlag{
Name: "light.serve",
Usage: "Maximum percentage of time allowed for serving LES requests (multi-threaded processing allows values over 100)",
Value: eth.DefaultConfig.LightServ,
}
LightIngressFlag = cli.IntFlag{
Name: "light.ingress",
Usage: "Incoming bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited)",
Value: eth.DefaultConfig.LightIngress,
}
LightEgressFlag = cli.IntFlag{
Name: "light.egress",
Usage: "Outgoing bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited)",
Value: eth.DefaultConfig.LightEgress,
}
LightLegacyPeersFlag = cli.IntFlag{ // Deprecated in favor of light.maxpeers, remove in 2021
Name: "lightpeers",
Usage: "Maximum number of light clients to serve, or light servers to attach to (deprecated, use --light.maxpeers)",
Value: eth.DefaultConfig.LightPeers,
}
LightMaxPeersFlag = cli.IntFlag{
Name: "light.maxpeers",
Usage: "Maximum number of light clients to serve, or light servers to attach to",
Value: eth.DefaultConfig.LightPeers,
}
UltraLightServersFlag = cli.StringFlag{
Name: "ulc.servers",
Usage: "List of trusted ultra-light servers",
Value: strings.Join(eth.DefaultConfig.UltraLightServers, ","),
}
UltraLightFractionFlag = cli.IntFlag{
Name: "ulc.fraction",
Usage: "Minimum % of trusted ultra-light servers required to announce a new head",
Value: eth.DefaultConfig.UltraLightFraction,
}
UltraLightOnlyAnnounceFlag = cli.BoolFlag{
Name: "ulc.onlyannounce",
Usage: "Ultra light server sends announcements only",
}
// Dashboard settings
DashboardEnabledFlag = cli.BoolFlag{
Name: "dashboard",
@ -475,6 +497,14 @@ var (
Usage: "Disables db compaction after import",
}
// RPC settings
IPCDisabledFlag = cli.BoolFlag{
Name: "ipcdisable",
Usage: "Disable the IPC-RPC server",
}
IPCPathFlag = DirectoryFlag{
Name: "ipcpath",
Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
}
RPCEnabledFlag = cli.BoolFlag{
Name: "rpc",
Usage: "Enable the HTTP-RPC server",
@ -489,30 +519,6 @@ var (
Usage: "HTTP-RPC server listening port",
Value: node.DefaultHTTPPort,
}
GraphQLEnabledFlag = cli.BoolFlag{
Name: "graphql",
Usage: "Enable the GraphQL server",
}
GraphQLListenAddrFlag = cli.StringFlag{
Name: "graphql.addr",
Usage: "GraphQL server listening interface",
Value: node.DefaultGraphQLHost,
}
GraphQLPortFlag = cli.IntFlag{
Name: "graphql.port",
Usage: "GraphQL server listening port",
Value: node.DefaultGraphQLPort,
}
GraphQLCORSDomainFlag = cli.StringFlag{
Name: "graphql.rpccorsdomain",
Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
Value: "",
}
GraphQLVirtualHostsFlag = cli.StringFlag{
Name: "graphql.rpcvhosts",
Usage: "Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.",
Value: strings.Join(node.DefaultConfig.HTTPVirtualHosts, ","),
}
RPCCORSDomainFlag = cli.StringFlag{
Name: "rpccorsdomain",
Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
@ -528,14 +534,6 @@ var (
Usage: "API's offered over the HTTP-RPC interface",
Value: "",
}
IPCDisabledFlag = cli.BoolFlag{
Name: "ipcdisable",
Usage: "Disable the IPC-RPC server",
}
IPCPathFlag = DirectoryFlag{
Name: "ipcpath",
Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
}
WSEnabledFlag = cli.BoolFlag{
Name: "ws",
Usage: "Enable the WS-RPC server",
@ -560,6 +558,30 @@ var (
Usage: "Origins from which to accept websockets requests",
Value: "",
}
GraphQLEnabledFlag = cli.BoolFlag{
Name: "graphql",
Usage: "Enable the GraphQL server",
}
GraphQLListenAddrFlag = cli.StringFlag{
Name: "graphql.addr",
Usage: "GraphQL server listening interface",
Value: node.DefaultGraphQLHost,
}
GraphQLPortFlag = cli.IntFlag{
Name: "graphql.port",
Usage: "GraphQL server listening port",
Value: node.DefaultGraphQLPort,
}
GraphQLCORSDomainFlag = cli.StringFlag{
Name: "graphql.corsdomain",
Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
Value: "",
}
GraphQLVirtualHostsFlag = cli.StringFlag{
Name: "graphql.vhosts",
Usage: "Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.",
Value: strings.Join(node.DefaultConfig.GraphQLVirtualHosts, ","),
}
ExecFlag = cli.StringFlag{
Name: "exec",
Usage: "Execute JavaScript statement",
@ -875,7 +897,6 @@ func setHTTP(ctx *cli.Context, cfg *node.Config) {
cfg.HTTPHost = ctx.GlobalString(RPCListenAddrFlag.Name)
}
}
if ctx.GlobalIsSet(RPCPortFlag.Name) {
cfg.HTTPPort = ctx.GlobalInt(RPCPortFlag.Name)
}
@ -917,7 +938,6 @@ func setWS(ctx *cli.Context, cfg *node.Config) {
cfg.WSHost = ctx.GlobalString(WSListenAddrFlag.Name)
}
}
if ctx.GlobalIsSet(WSPortFlag.Name) {
cfg.WSPort = ctx.GlobalInt(WSPortFlag.Name)
}
@ -932,7 +952,7 @@ func setWS(ctx *cli.Context, cfg *node.Config) {
// setIPC creates an IPC path configuration from the set command line flags,
// returning an empty string if IPC was explicitly disabled, or the set path.
func setIPC(ctx *cli.Context, cfg *node.Config) {
checkExclusive(ctx, IPCDisabledFlag, IPCPathFlag)
CheckExclusive(ctx, IPCDisabledFlag, IPCPathFlag)
switch {
case ctx.GlobalBool(IPCDisabledFlag.Name):
cfg.IPCPath = ""
@ -941,37 +961,38 @@ func setIPC(ctx *cli.Context, cfg *node.Config) {
}
}
// SetULC setup ULC config from file if given.
func SetULC(ctx *cli.Context, cfg *eth.Config) {
// ULC config isn't loaded from global config and ULC config and ULC trusted nodes are not defined.
if cfg.ULC == nil && !(ctx.GlobalIsSet(ULCModeConfigFlag.Name) || ctx.GlobalIsSet(ULCTrustedNodesFlag.Name)) {
return
// setLes configures the les server and ultra light client settings from the command line flags.
func setLes(ctx *cli.Context, cfg *eth.Config) {
if ctx.GlobalIsSet(LightLegacyServFlag.Name) {
cfg.LightServ = ctx.GlobalInt(LightLegacyServFlag.Name)
}
cfg.ULC = &eth.ULCConfig{}
path := ctx.GlobalString(ULCModeConfigFlag.Name)
if path != "" {
cfgData, err := ioutil.ReadFile(path)
if err != nil {
Fatalf("Failed to unmarshal ULC configuration: %v", err)
}
err = json.Unmarshal(cfgData, &cfg.ULC)
if err != nil {
Fatalf("Failed to unmarshal ULC configuration: %s", err.Error())
}
if ctx.GlobalIsSet(LightServeFlag.Name) {
cfg.LightServ = ctx.GlobalInt(LightServeFlag.Name)
}
if trustedNodes := ctx.GlobalString(ULCTrustedNodesFlag.Name); trustedNodes != "" {
cfg.ULC.TrustedServers = strings.Split(trustedNodes, ",")
if ctx.GlobalIsSet(LightIngressFlag.Name) {
cfg.LightIngress = ctx.GlobalInt(LightIngressFlag.Name)
}
if trustedFraction := ctx.GlobalInt(ULCMinTrustedFractionFlag.Name); trustedFraction > 0 {
cfg.ULC.MinTrustedFraction = trustedFraction
if ctx.GlobalIsSet(LightEgressFlag.Name) {
cfg.LightEgress = ctx.GlobalInt(LightEgressFlag.Name)
}
if cfg.ULC.MinTrustedFraction <= 0 && cfg.ULC.MinTrustedFraction > 100 {
log.Error("MinTrustedFraction is invalid", "MinTrustedFraction", cfg.ULC.MinTrustedFraction, "Changed to default", eth.DefaultULCMinTrustedFraction)
cfg.ULC.MinTrustedFraction = eth.DefaultULCMinTrustedFraction
if ctx.GlobalIsSet(LightLegacyPeersFlag.Name) {
cfg.LightPeers = ctx.GlobalInt(LightLegacyPeersFlag.Name)
}
if ctx.GlobalIsSet(LightMaxPeersFlag.Name) {
cfg.LightPeers = ctx.GlobalInt(LightMaxPeersFlag.Name)
}
if ctx.GlobalIsSet(UltraLightServersFlag.Name) {
cfg.UltraLightServers = strings.Split(ctx.GlobalString(UltraLightServersFlag.Name), ",")
}
if ctx.GlobalIsSet(UltraLightFractionFlag.Name) {
cfg.UltraLightFraction = ctx.GlobalInt(UltraLightFractionFlag.Name)
}
if cfg.UltraLightFraction <= 0 && cfg.UltraLightFraction > 100 {
log.Error("Ultra light fraction is invalid", "had", cfg.UltraLightFraction, "updated", eth.DefaultConfig.UltraLightFraction)
cfg.UltraLightFraction = eth.DefaultConfig.UltraLightFraction
}
if ctx.GlobalIsSet(UltraLightOnlyAnnounceFlag.Name) {
cfg.UltraLightOnlyAnnounce = ctx.GlobalBool(UltraLightOnlyAnnounceFlag.Name)
}
}
@ -1065,19 +1086,22 @@ func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config) {
setBootstrapNodesV5(ctx, cfg)
lightClient := ctx.GlobalString(SyncModeFlag.Name) == "light"
lightServer := ctx.GlobalInt(LightServFlag.Name) != 0
lightPeers := ctx.GlobalInt(LightPeersFlag.Name)
lightServer := (ctx.GlobalInt(LightLegacyServFlag.Name) != 0 || ctx.GlobalInt(LightServeFlag.Name) != 0)
lightPeers := ctx.GlobalInt(LightLegacyPeersFlag.Name)
if ctx.GlobalIsSet(LightMaxPeersFlag.Name) {
lightPeers = ctx.GlobalInt(LightMaxPeersFlag.Name)
}
if ctx.GlobalIsSet(MaxPeersFlag.Name) {
cfg.MaxPeers = ctx.GlobalInt(MaxPeersFlag.Name)
if lightServer && !ctx.GlobalIsSet(LightPeersFlag.Name) {
if lightServer && !ctx.GlobalIsSet(LightLegacyPeersFlag.Name) && !ctx.GlobalIsSet(LightMaxPeersFlag.Name) {
cfg.MaxPeers += lightPeers
}
} else {
if lightServer {
cfg.MaxPeers += lightPeers
}
if lightClient && ctx.GlobalIsSet(LightPeersFlag.Name) && cfg.MaxPeers < lightPeers {
if lightClient && (ctx.GlobalIsSet(LightLegacyPeersFlag.Name) || ctx.GlobalIsSet(LightMaxPeersFlag.Name)) && cfg.MaxPeers < lightPeers {
cfg.MaxPeers = lightPeers
}
}
@ -1317,10 +1341,10 @@ func setWhitelist(ctx *cli.Context, cfg *eth.Config) {
}
}
// checkExclusive verifies that only a single instance of the provided flags was
// CheckExclusive verifies that only a single instance of the provided flags was
// set by the user. Each flag might optionally be followed by a string type to
// specialize it further.
func checkExclusive(ctx *cli.Context, args ...interface{}) {
func CheckExclusive(ctx *cli.Context, args ...interface{}) {
set := make([]string, 0, 1)
for i := 0; i < len(args); i++ {
// Make sure the next argument is a flag and skip if not set
@ -1374,10 +1398,10 @@ func SetShhConfig(ctx *cli.Context, stack *node.Node, cfg *whisper.Config) {
// SetEthConfig applies eth-related command line flags to the config.
func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
// Avoid conflicting network flags
checkExclusive(ctx, DeveloperFlag, TestnetFlag, RinkebyFlag, GoerliFlag)
checkExclusive(ctx, LightServFlag, SyncModeFlag, "light")
// Can't use both ephemeral unlocked and external signer
checkExclusive(ctx, DeveloperFlag, ExternalSignerFlag)
CheckExclusive(ctx, DeveloperFlag, TestnetFlag, RinkebyFlag, GoerliFlag)
CheckExclusive(ctx, LightLegacyServFlag, LightServeFlag, SyncModeFlag, "light")
CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
var ks *keystore.KeyStore
if keystores := stack.AccountManager().Backends(keystore.KeyStoreType); len(keystores) > 0 {
ks = keystores[0].(*keystore.KeyStore)
@ -1388,21 +1412,11 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
setEthash(ctx, cfg)
setMiner(ctx, &cfg.Miner)
setWhitelist(ctx, cfg)
setLes(ctx, cfg)
if ctx.GlobalIsSet(SyncModeFlag.Name) {
cfg.SyncMode = *GlobalTextMarshaler(ctx, SyncModeFlag.Name).(*downloader.SyncMode)
}
if ctx.GlobalIsSet(LightServFlag.Name) {
cfg.LightServ = ctx.GlobalInt(LightServFlag.Name)
}
cfg.LightBandwidthIn = ctx.GlobalInt(LightBandwidthInFlag.Name)
cfg.LightBandwidthOut = ctx.GlobalInt(LightBandwidthOutFlag.Name)
if ctx.GlobalIsSet(LightPeersFlag.Name) {
cfg.LightPeers = ctx.GlobalInt(LightPeersFlag.Name)
}
if ctx.GlobalIsSet(OnlyAnnounceModeFlag.Name) {
cfg.OnlyAnnounce = ctx.GlobalBool(OnlyAnnounceModeFlag.Name)
}
if ctx.GlobalIsSet(NetworkIdFlag.Name) {
cfg.NetworkId = ctx.GlobalUint64(NetworkIdFlag.Name)
}
@ -1547,12 +1561,33 @@ func RegisterEthStatsService(stack *node.Node, url string) {
var lesServ *les.LightEthereum
ctx.Service(&lesServ)
// Let ethstats use whichever is not nil
return ethstats.New(url, ethServ, lesServ)
}); err != nil {
Fatalf("Failed to register the Ethereum Stats service: %v", err)
}
}
// RegisterGraphQLService is a utility function to construct a new service and register it against a node.
func RegisterGraphQLService(stack *node.Node, endpoint string, cors, vhosts []string, timeouts rpc.HTTPTimeouts) {
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
// Try to construct the GraphQL service backed by a full node
var ethServ *eth.Ethereum
if err := ctx.Service(&ethServ); err == nil {
return graphql.New(ethServ.APIBackend, endpoint, cors, vhosts, timeouts)
}
// Try to construct the GraphQL service backed by a light node
var lesServ *les.LightEthereum
if err := ctx.Service(&lesServ); err == nil {
return graphql.New(lesServ.ApiBackend, endpoint, cors, vhosts, timeouts)
}
// Well, this should not have happened, bail out
return nil, errors.New("no Ethereum service")
}); err != nil {
Fatalf("Failed to register the GraphQL service: %v", err)
}
}
func SetupMetrics(ctx *cli.Context) {
if metrics.Enabled {
log.Info("Enabling metrics collection")

7
common/compiler/helpers.go
View file

@ -27,9 +27,10 @@ var versionRegexp = regexp.MustCompile(`([0-9]+)\.([0-9]+)\.([0-9]+)`)
// Contract contains information about a compiled contract, alongside its code and runtime code.
type Contract struct {
Code string `json:"code"`
RuntimeCode string `json:"runtime-code"`
Info ContractInfo `json:"info"`
Code string `json:"code"`
RuntimeCode string `json:"runtime-code"`
Info ContractInfo `json:"info"`
Hashes map[string]string `json:"hashes"`
}
// ContractInfo contains information about a compiled contract, including access

17
common/compiler/solidity.go
View file

@ -39,6 +39,7 @@ type solcOutput struct {
BinRuntime string `json:"bin-runtime"`
SrcMapRuntime string `json:"srcmap-runtime"`
Bin, SrcMap, Abi, Devdoc, Userdoc, Metadata string
Hashes map[string]string
}
Version string
}
@ -49,7 +50,7 @@ func (s *Solidity) makeArgs() []string {
"--optimize", // code optimizer switched on
}
if s.Major > 0 || s.Minor > 4 || s.Patch > 6 {
p[1] += ",metadata"
p[1] += ",metadata,hashes"
}
return p
}
@ -141,7 +142,6 @@ func ParseCombinedJSON(combinedJSON []byte, source string, languageVersion strin
if err := json.Unmarshal(combinedJSON, &output); err != nil {
return nil, err
}
// Compilation succeeded, assemble and return the contracts.
contracts := make(map[string]*Contract)
for name, info := range output.Contracts {
@ -150,17 +150,14 @@ func ParseCombinedJSON(combinedJSON []byte, source string, languageVersion strin
if err := json.Unmarshal([]byte(info.Abi), &abi); err != nil {
return nil, fmt.Errorf("solc: error reading abi definition (%v)", err)
}
var userdoc interface{}
if err := json.Unmarshal([]byte(info.Userdoc), &userdoc); err != nil {
return nil, fmt.Errorf("solc: error reading user doc: %v", err)
}
var devdoc interface{}
if err := json.Unmarshal([]byte(info.Devdoc), &devdoc); err != nil {
return nil, fmt.Errorf("solc: error reading dev doc: %v", err)
}
var userdoc, devdoc interface{}
json.Unmarshal([]byte(info.Userdoc), &userdoc)
json.Unmarshal([]byte(info.Devdoc), &devdoc)
contracts[name] = &Contract{
Code: "0x" + info.Bin,
RuntimeCode: "0x" + info.BinRuntime,
Hashes: info.Hashes,
Info: ContractInfo{
Source: source,
Language: "Solidity",

9
consensus/bor/bor.go
View file

@ -18,7 +18,6 @@ import (
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/misc"
"github.com/ethereum/go-ethereum/contracts/validatorset"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
@ -33,6 +32,8 @@ import (
"golang.org/x/crypto/sha3"
)
const validatorsetABI = "[{\"constant\":false,\"inputs\":[],\"name\":\"finalizeChange\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"getValidators\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"},{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"validator\",\"type\":\"address\"},{\"name\":\"blockNumber\",\"type\":\"uint256\"},{\"name\":\"proof\",\"type\":\"bytes\"}],\"name\":\"reportMalicious\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"validator\",\"type\":\"address\"},{\"name\":\"blockNumber\",\"type\":\"uint256\"}],\"name\":\"reportBenign\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"_parentHash\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"_newSet\",\"type\":\"address[]\"}],\"name\":\"InitiateChange\",\"type\":\"event\"}]"
const (
voteSnapshotInterval = 1024 // Number of blocks after which to save the vote snapshot to the database
inmemorySnapshots = 128 // Number of recent vote snapshots to keep in memory
@ -257,7 +258,7 @@ func New(config *params.BorConfig, db ethdb.Database, ethAPI *ethapi.PublicBlock
// Allocate the snapshot caches and create the engine
recents, _ := lru.NewARC(inmemorySnapshots)
signatures, _ := lru.NewARC(inmemorySignatures)
validatorSetABI, _ := abi.JSON(strings.NewReader(validatorset.ValidatorsetABI))
vABI, _ := abi.JSON(strings.NewReader(validatorsetABI))
c := &Bor{
config: &conf,
db: db,
@ -265,7 +266,7 @@ func New(config *params.BorConfig, db ethdb.Database, ethAPI *ethapi.PublicBlock
recents: recents,
signatures: signatures,
proposals: make(map[common.Address]bool),
validatorSetABI: validatorSetABI,
validatorSetABI: vABI,
}
return c
}
@ -776,7 +777,7 @@ func GetValidators(number uint64, validatorContract string, ethAPI *ethapi.Publi
blockNr := rpc.BlockNumber(number)
// validator set ABI
validatorSetABI, _ := abi.JSON(strings.NewReader(validatorset.ValidatorsetABI))
validatorSetABI, _ := abi.JSON(strings.NewReader(validatorsetABI))
data, err := validatorSetABI.Pack("getValidators")
if err != nil {
fmt.Println("Unable to pack tx for getValidator", "error", err)

415
contracts/checkpointoracle/contract/oracle.go Normal file
View file

@ -0,0 +1,415 @@
// Code generated - DO NOT EDIT.
// This file is a generated binding and any manual changes will be lost.
package contract
import (
"math/big"
"strings"
ethereum "github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
)
// Reference imports to suppress errors if they are not otherwise used.
var (
_ = big.NewInt
_ = strings.NewReader
_ = ethereum.NotFound
_ = abi.U256
_ = bind.Bind
_ = common.Big1
_ = types.BloomLookup
_ = event.NewSubscription
)
// CheckpointOracleABI is the input ABI used to generate the binding from.
const CheckpointOracleABI = "[{\"constant\":true,\"inputs\":[],\"name\":\"GetAllAdmin\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"GetLatestCheckpoint\",\"outputs\":[{\"name\":\"\",\"type\":\"uint64\"},{\"name\":\"\",\"type\":\"bytes32\"},{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_recentNumber\",\"type\":\"uint256\"},{\"name\":\"_recentHash\",\"type\":\"bytes32\"},{\"name\":\"_hash\",\"type\":\"bytes32\"},{\"name\":\"_sectionIndex\",\"type\":\"uint64\"},{\"name\":\"v\",\"type\":\"uint8[]\"},{\"name\":\"r\",\"type\":\"bytes32[]\"},{\"name\":\"s\",\"type\":\"bytes32[]\"}],\"name\":\"SetCheckpoint\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"_adminlist\",\"type\":\"address[]\"},{\"name\":\"_sectionSize\",\"type\":\"uint256\"},{\"name\":\"_processConfirms\",\"type\":\"uint256\"},{\"name\":\"_threshold\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"index\",\"type\":\"uint64\"},{\"indexed\":false,\"name\":\"checkpointHash\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"v\",\"type\":\"uint8\"},{\"indexed\":false,\"name\":\"r\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"s\",\"type\":\"bytes32\"}],\"name\":\"NewCheckpointVote\",\"type\":\"event\"}]"
// CheckpointOracleBin is the compiled bytecode used for deploying new contracts.
const CheckpointOracleBin = `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`
// DeployCheckpointOracle deploys a new Ethereum contract, binding an instance of CheckpointOracle to it.
func DeployCheckpointOracle(auth *bind.TransactOpts, backend bind.ContractBackend, _adminlist []common.Address, _sectionSize *big.Int, _processConfirms *big.Int, _threshold *big.Int) (common.Address, *types.Transaction, *CheckpointOracle, error) {
parsed, err := abi.JSON(strings.NewReader(CheckpointOracleABI))
if err != nil {
return common.Address{}, nil, nil, err
}
address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(CheckpointOracleBin), backend, _adminlist, _sectionSize, _processConfirms, _threshold)
if err != nil {
return common.Address{}, nil, nil, err
}
return address, tx, &CheckpointOracle{CheckpointOracleCaller: CheckpointOracleCaller{contract: contract}, CheckpointOracleTransactor: CheckpointOracleTransactor{contract: contract}, CheckpointOracleFilterer: CheckpointOracleFilterer{contract: contract}}, nil
}
// CheckpointOracle is an auto generated Go binding around an Ethereum contract.
type CheckpointOracle struct {
CheckpointOracleCaller // Read-only binding to the contract
CheckpointOracleTransactor // Write-only binding to the contract
CheckpointOracleFilterer // Log filterer for contract events
}
// CheckpointOracleCaller is an auto generated read-only Go binding around an Ethereum contract.
type CheckpointOracleCaller struct {
contract *bind.BoundContract // Generic contract wrapper for the low level calls
}
// CheckpointOracleTransactor is an auto generated write-only Go binding around an Ethereum contract.
type CheckpointOracleTransactor struct {
contract *bind.BoundContract // Generic contract wrapper for the low level calls
}
// CheckpointOracleFilterer is an auto generated log filtering Go binding around an Ethereum contract events.
type CheckpointOracleFilterer struct {
contract *bind.BoundContract // Generic contract wrapper for the low level calls
}
// CheckpointOracleSession is an auto generated Go binding around an Ethereum contract,
// with pre-set call and transact options.
type CheckpointOracleSession struct {
Contract *CheckpointOracle // Generic contract binding to set the session for
CallOpts bind.CallOpts // Call options to use throughout this session
TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
}
// CheckpointOracleCallerSession is an auto generated read-only Go binding around an Ethereum contract,
// with pre-set call options.
type CheckpointOracleCallerSession struct {
Contract *CheckpointOracleCaller // Generic contract caller binding to set the session for
CallOpts bind.CallOpts // Call options to use throughout this session
}
// CheckpointOracleTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
// with pre-set transact options.
type CheckpointOracleTransactorSession struct {
Contract *CheckpointOracleTransactor // Generic contract transactor binding to set the session for
TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
}
// CheckpointOracleRaw is an auto generated low-level Go binding around an Ethereum contract.
type CheckpointOracleRaw struct {
Contract *CheckpointOracle // Generic contract binding to access the raw methods on
}
// CheckpointOracleCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
type CheckpointOracleCallerRaw struct {
Contract *CheckpointOracleCaller // Generic read-only contract binding to access the raw methods on
}
// CheckpointOracleTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
type CheckpointOracleTransactorRaw struct {
Contract *CheckpointOracleTransactor // Generic write-only contract binding to access the raw methods on
}
// NewCheckpointOracle creates a new instance of CheckpointOracle, bound to a specific deployed contract.
func NewCheckpointOracle(address common.Address, backend bind.ContractBackend) (*CheckpointOracle, error) {
contract, err := bindCheckpointOracle(address, backend, backend, backend)
if err != nil {
return nil, err
}
return &CheckpointOracle{CheckpointOracleCaller: CheckpointOracleCaller{contract: contract}, CheckpointOracleTransactor: CheckpointOracleTransactor{contract: contract}, CheckpointOracleFilterer: CheckpointOracleFilterer{contract: contract}}, nil
}
// NewCheckpointOracleCaller creates a new read-only instance of CheckpointOracle, bound to a specific deployed contract.
func NewCheckpointOracleCaller(address common.Address, caller bind.ContractCaller) (*CheckpointOracleCaller, error) {
contract, err := bindCheckpointOracle(address, caller, nil, nil)
if err != nil {
return nil, err
}
return &CheckpointOracleCaller{contract: contract}, nil
}
// NewCheckpointOracleTransactor creates a new write-only instance of CheckpointOracle, bound to a specific deployed contract.
func NewCheckpointOracleTransactor(address common.Address, transactor bind.ContractTransactor) (*CheckpointOracleTransactor, error) {
contract, err := bindCheckpointOracle(address, nil, transactor, nil)
if err != nil {
return nil, err
}
return &CheckpointOracleTransactor{contract: contract}, nil
}
// NewCheckpointOracleFilterer creates a new log filterer instance of CheckpointOracle, bound to a specific deployed contract.
func NewCheckpointOracleFilterer(address common.Address, filterer bind.ContractFilterer) (*CheckpointOracleFilterer, error) {
contract, err := bindCheckpointOracle(address, nil, nil, filterer)
if err != nil {
return nil, err
}
return &CheckpointOracleFilterer{contract: contract}, nil
}
// bindCheckpointOracle binds a generic wrapper to an already deployed contract.
func bindCheckpointOracle(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
parsed, err := abi.JSON(strings.NewReader(CheckpointOracleABI))
if err != nil {
return nil, err
}
return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
}
// Call invokes the (constant) contract method with params as input values and
// sets the output to result. The result type might be a single field for simple
// returns, a slice of interfaces for anonymous returns and a struct for named
// returns.
func (_CheckpointOracle *CheckpointOracleRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
return _CheckpointOracle.Contract.CheckpointOracleCaller.contract.Call(opts, result, method, params...)
}
// Transfer initiates a plain transaction to move funds to the contract, calling
// its default method if one is available.
func (_CheckpointOracle *CheckpointOracleRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
return _CheckpointOracle.Contract.CheckpointOracleTransactor.contract.Transfer(opts)
}
// Transact invokes the (paid) contract method with params as input values.
func (_CheckpointOracle *CheckpointOracleRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
return _CheckpointOracle.Contract.CheckpointOracleTransactor.contract.Transact(opts, method, params...)
}
// Call invokes the (constant) contract method with params as input values and
// sets the output to result. The result type might be a single field for simple
// returns, a slice of interfaces for anonymous returns and a struct for named
// returns.
func (_CheckpointOracle *CheckpointOracleCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
return _CheckpointOracle.Contract.contract.Call(opts, result, method, params...)
}
// Transfer initiates a plain transaction to move funds to the contract, calling
// its default method if one is available.
func (_CheckpointOracle *CheckpointOracleTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
return _CheckpointOracle.Contract.contract.Transfer(opts)
}
// Transact invokes the (paid) contract method with params as input values.
func (_CheckpointOracle *CheckpointOracleTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
return _CheckpointOracle.Contract.contract.Transact(opts, method, params...)
}
// GetAllAdmin is a free data retrieval call binding the contract method 0x45848dfc.
//
// Solidity: function GetAllAdmin() constant returns(address[])
func (_CheckpointOracle *CheckpointOracleCaller) GetAllAdmin(opts *bind.CallOpts) ([]common.Address, error) {
var (
ret0 = new([]common.Address)
)
out := ret0
err := _CheckpointOracle.contract.Call(opts, out, "GetAllAdmin")
return *ret0, err
}
// GetAllAdmin is a free data retrieval call binding the contract method 0x45848dfc.
//
// Solidity: function GetAllAdmin() constant returns(address[])
func (_CheckpointOracle *CheckpointOracleSession) GetAllAdmin() ([]common.Address, error) {
return _CheckpointOracle.Contract.GetAllAdmin(&_CheckpointOracle.CallOpts)
}
// GetAllAdmin is a free data retrieval call binding the contract method 0x45848dfc.
//
// Solidity: function GetAllAdmin() constant returns(address[])
func (_CheckpointOracle *CheckpointOracleCallerSession) GetAllAdmin() ([]common.Address, error) {
return _CheckpointOracle.Contract.GetAllAdmin(&_CheckpointOracle.CallOpts)
}
// GetLatestCheckpoint is a free data retrieval call binding the contract method 0x4d6a304c.
//
// Solidity: function GetLatestCheckpoint() constant returns(uint64, bytes32, uint256)
func (_CheckpointOracle *CheckpointOracleCaller) GetLatestCheckpoint(opts *bind.CallOpts) (uint64, [32]byte, *big.Int, error) {
var (
ret0 = new(uint64)
ret1 = new([32]byte)
ret2 = new(*big.Int)
)
out := &[]interface{}{
ret0,
ret1,
ret2,
}
err := _CheckpointOracle.contract.Call(opts, out, "GetLatestCheckpoint")
return *ret0, *ret1, *ret2, err
}
// GetLatestCheckpoint is a free data retrieval call binding the contract method 0x4d6a304c.
//
// Solidity: function GetLatestCheckpoint() constant returns(uint64, bytes32, uint256)
func (_CheckpointOracle *CheckpointOracleSession) GetLatestCheckpoint() (uint64, [32]byte, *big.Int, error) {
return _CheckpointOracle.Contract.GetLatestCheckpoint(&_CheckpointOracle.CallOpts)
}
// GetLatestCheckpoint is a free data retrieval call binding the contract method 0x4d6a304c.
//
// Solidity: function GetLatestCheckpoint() constant returns(uint64, bytes32, uint256)
func (_CheckpointOracle *CheckpointOracleCallerSession) GetLatestCheckpoint() (uint64, [32]byte, *big.Int, error) {
return _CheckpointOracle.Contract.GetLatestCheckpoint(&_CheckpointOracle.CallOpts)
}
// SetCheckpoint is a paid mutator transaction binding the contract method 0xd459fc46.
//
// Solidity: function SetCheckpoint(uint256 _recentNumber, bytes32 _recentHash, bytes32 _hash, uint64 _sectionIndex, uint8[] v, bytes32[] r, bytes32[] s) returns(bool)
func (_CheckpointOracle *CheckpointOracleTransactor) SetCheckpoint(opts *bind.TransactOpts, _recentNumber *big.Int, _recentHash [32]byte, _hash [32]byte, _sectionIndex uint64, v []uint8, r [][32]byte, s [][32]byte) (*types.Transaction, error) {
return _CheckpointOracle.contract.Transact(opts, "SetCheckpoint", _recentNumber, _recentHash, _hash, _sectionIndex, v, r, s)
}
// SetCheckpoint is a paid mutator transaction binding the contract method 0xd459fc46.
//
// Solidity: function SetCheckpoint(uint256 _recentNumber, bytes32 _recentHash, bytes32 _hash, uint64 _sectionIndex, uint8[] v, bytes32[] r, bytes32[] s) returns(bool)
func (_CheckpointOracle *CheckpointOracleSession) SetCheckpoint(_recentNumber *big.Int, _recentHash [32]byte, _hash [32]byte, _sectionIndex uint64, v []uint8, r [][32]byte, s [][32]byte) (*types.Transaction, error) {
return _CheckpointOracle.Contract.SetCheckpoint(&_CheckpointOracle.TransactOpts, _recentNumber, _recentHash, _hash, _sectionIndex, v, r, s)
}
// SetCheckpoint is a paid mutator transaction binding the contract method 0xd459fc46.
//
// Solidity: function SetCheckpoint(uint256 _recentNumber, bytes32 _recentHash, bytes32 _hash, uint64 _sectionIndex, uint8[] v, bytes32[] r, bytes32[] s) returns(bool)
func (_CheckpointOracle *CheckpointOracleTransactorSession) SetCheckpoint(_recentNumber *big.Int, _recentHash [32]byte, _hash [32]byte, _sectionIndex uint64, v []uint8, r [][32]byte, s [][32]byte) (*types.Transaction, error) {
return _CheckpointOracle.Contract.SetCheckpoint(&_CheckpointOracle.TransactOpts, _recentNumber, _recentHash, _hash, _sectionIndex, v, r, s)
}
// CheckpointOracleNewCheckpointVoteIterator is returned from FilterNewCheckpointVote and is used to iterate over the raw logs and unpacked data for NewCheckpointVote events raised by the CheckpointOracle contract.
type CheckpointOracleNewCheckpointVoteIterator struct {
Event *CheckpointOracleNewCheckpointVote // Event containing the contract specifics and raw log
contract *bind.BoundContract // Generic contract to use for unpacking event data
event string // Event name to use for unpacking event data
logs chan types.Log // Log channel receiving the found contract events
sub ethereum.Subscription // Subscription for errors, completion and termination
done bool // Whether the subscription completed delivering logs
fail error // Occurred error to stop iteration
}
// Next advances the iterator to the subsequent event, returning whether there
// are any more events found. In case of a retrieval or parsing error, false is
// returned and Error() can be queried for the exact failure.
func (it *CheckpointOracleNewCheckpointVoteIterator) Next() bool {
// If the iterator failed, stop iterating
if it.fail != nil {
return false
}
// If the iterator completed, deliver directly whatever's available
if it.done {
select {
case log := <-it.logs:
it.Event = new(CheckpointOracleNewCheckpointVote)
if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
it.fail = err
return false
}
it.Event.Raw = log
return true
default:
return false
}
}
// Iterator still in progress, wait for either a data or an error event
select {
case log := <-it.logs:
it.Event = new(CheckpointOracleNewCheckpointVote)
if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
it.fail = err
return false
}
it.Event.Raw = log
return true
case err := <-it.sub.Err():
it.done = true
it.fail = err
return it.Next()
}
}
// Error returns any retrieval or parsing error occurred during filtering.
func (it *CheckpointOracleNewCheckpointVoteIterator) Error() error {
return it.fail
}
// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *CheckpointOracleNewCheckpointVoteIterator) Close() error {
it.sub.Unsubscribe()
return nil
}
// CheckpointOracleNewCheckpointVote represents a NewCheckpointVote event raised by the CheckpointOracle contract.
type CheckpointOracleNewCheckpointVote struct {
Index uint64
CheckpointHash [32]byte
V uint8
R [32]byte
S [32]byte
Raw types.Log // Blockchain specific contextual infos
}
// FilterNewCheckpointVote is a free log retrieval operation binding the contract event 0xce51ffa16246bcaf0899f6504f473cd0114f430f566cef71ab7e03d3dde42a41.
//
// Solidity: event NewCheckpointVote(uint64 indexed index, bytes32 checkpointHash, uint8 v, bytes32 r, bytes32 s)
func (_CheckpointOracle *CheckpointOracleFilterer) FilterNewCheckpointVote(opts *bind.FilterOpts, index []uint64) (*CheckpointOracleNewCheckpointVoteIterator, error) {
var indexRule []interface{}
for _, indexItem := range index {
indexRule = append(indexRule, indexItem)
}
logs, sub, err := _CheckpointOracle.contract.FilterLogs(opts, "NewCheckpointVote", indexRule)
if err != nil {
return nil, err
}
return &CheckpointOracleNewCheckpointVoteIterator{contract: _CheckpointOracle.contract, event: "NewCheckpointVote", logs: logs, sub: sub}, nil
}
// WatchNewCheckpointVote is a free log subscription operation binding the contract event 0xce51ffa16246bcaf0899f6504f473cd0114f430f566cef71ab7e03d3dde42a41.
//
// Solidity: event NewCheckpointVote(uint64 indexed index, bytes32 checkpointHash, uint8 v, bytes32 r, bytes32 s)
func (_CheckpointOracle *CheckpointOracleFilterer) WatchNewCheckpointVote(opts *bind.WatchOpts, sink chan<- *CheckpointOracleNewCheckpointVote, index []uint64) (event.Subscription, error) {
var indexRule []interface{}
for _, indexItem := range index {
indexRule = append(indexRule, indexItem)
}
logs, sub, err := _CheckpointOracle.contract.WatchLogs(opts, "NewCheckpointVote", indexRule)
if err != nil {
return nil, err
}
return event.NewSubscription(func(quit <-chan struct{}) error {
defer sub.Unsubscribe()
for {
select {
case log := <-logs:
// New log arrived, parse the event and forward to the user
event := new(CheckpointOracleNewCheckpointVote)
if err := _CheckpointOracle.contract.UnpackLog(event, "NewCheckpointVote", log); err != nil {
return err
}
event.Raw = log
select {
case sink <- event:
case err := <-sub.Err():
return err
case <-quit:
return nil
}
case err := <-sub.Err():
return err
case <-quit:
return nil
}
}
}), nil
}
// ParseNewCheckpointVote is a log parse operation binding the contract event 0xce51ffa16246bcaf0899f6504f473cd0114f430f566cef71ab7e03d3dde42a41.
//
// Solidity: event NewCheckpointVote(uint64 indexed index, bytes32 checkpointHash, uint8 v, bytes32 r, bytes32 s)
func (_CheckpointOracle *CheckpointOracleFilterer) ParseNewCheckpointVote(log types.Log) (*CheckpointOracleNewCheckpointVote, error) {
event := new(CheckpointOracleNewCheckpointVote)
if err := _CheckpointOracle.contract.UnpackLog(event, "NewCheckpointVote", log); err != nil {
return nil, err
}
return event, nil
}

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pragma solidity ^0.5.10;
/**
* @title CheckpointOracle
* @author Gary Rong<garyrong@ethereum.org>, Martin Swende <martin.swende@ethereum.org>
* @dev Implementation of the blockchain checkpoint registrar.
*/
contract CheckpointOracle {
/*
Events
*/
// NewCheckpointVote is emitted when a new checkpoint proposal receives a vote.
event NewCheckpointVote(uint64 indexed index, bytes32 checkpointHash, uint8 v, bytes32 r, bytes32 s);
/*
Public Functions
*/
constructor(address[] memory _adminlist, uint _sectionSize, uint _processConfirms, uint _threshold) public {
for (uint i = 0; i < _adminlist.length; i++) {
admins[_adminlist[i]] = true;
adminList.push(_adminlist[i]);
}
sectionSize = _sectionSize;
processConfirms = _processConfirms;
threshold = _threshold;
}
/**
* @dev Get latest stable checkpoint information.
* @return section index
* @return checkpoint hash
* @return block height associated with checkpoint
*/
function GetLatestCheckpoint()
view
public
returns(uint64, bytes32, uint) {
return (sectionIndex, hash, height);
}
// SetCheckpoint sets a new checkpoint. It accepts a list of signatures
// @_recentNumber: a recent blocknumber, for replay protection
// @_recentHash : the hash of `_recentNumber`
// @_hash : the hash to set at _sectionIndex
// @_sectionIndex : the section index to set
// @v : the list of v-values
// @r : the list or r-values
// @s : the list of s-values
function SetCheckpoint(
uint _recentNumber,
bytes32 _recentHash,
bytes32 _hash,
uint64 _sectionIndex,
uint8[] memory v,
bytes32[] memory r,
bytes32[] memory s)
public
returns (bool)
{
// Ensure the sender is authorized.
require(admins[msg.sender]);
// These checks replay protection, so it cannot be replayed on forks,
// accidentally or intentionally
require(blockhash(_recentNumber) == _recentHash);
// Ensure the batch of signatures are valid.
require(v.length == r.length);
require(v.length == s.length);
// Filter out "future" checkpoint.
if (block.number < (_sectionIndex+1)*sectionSize+processConfirms) {
return false;
}
// Filter out "old" announcement
if (_sectionIndex < sectionIndex) {
return false;
}
// Filter out "stale" announcement
if (_sectionIndex == sectionIndex && (_sectionIndex != 0 || height != 0)) {
return false;
}
// Filter out "invalid" announcement
if (_hash == ""){
return false;
}
// EIP 191 style signatures
//
// Arguments when calculating hash to validate
// 1: byte(0x19) - the initial 0x19 byte
// 2: byte(0) - the version byte (data with intended validator)
// 3: this - the validator address
// -- Application specific data
// 4 : checkpoint section_index(uint64)
// 5 : checkpoint hash (bytes32)
// hash = keccak256(checkpoint_index, section_head, cht_root, bloom_root)
bytes32 signedHash = keccak256(abi.encodePacked(byte(0x19), byte(0), this, _sectionIndex, _hash));
address lastVoter = address(0);
// In order for us not to have to maintain a mapping of who has already
// voted, and we don't want to count a vote twice, the signatures must
// be submitted in strict ordering.
for (uint idx = 0; idx < v.length; idx++){
address signer = ecrecover(signedHash, v[idx], r[idx], s[idx]);
require(admins[signer]);
require(uint256(signer) > uint256(lastVoter));
lastVoter = signer;
emit NewCheckpointVote(_sectionIndex, _hash, v[idx], r[idx], s[idx]);
// Sufficient signatures present, update latest checkpoint.
if (idx+1 >= threshold){
hash = _hash;
height = block.number;
sectionIndex = _sectionIndex;
return true;
}
}
// We shouldn't wind up here, reverting un-emits the events
revert();
}
/**
* @dev Get all admin addresses
* @return address list
*/
function GetAllAdmin()
public
view
returns(address[] memory)
{
address[] memory ret = new address[](adminList.length);
for (uint i = 0; i < adminList.length; i++) {
ret[i] = adminList[i];
}
return ret;
}
/*
Fields
*/
// A map of admin users who have the permission to update CHT and bloom Trie root
mapping(address => bool) admins;
// A list of admin users so that we can obtain all admin users.
address[] adminList;
// Latest stored section id
uint64 sectionIndex;
// The block height associated with latest registered checkpoint.
uint height;
// The hash of latest registered checkpoint.
bytes32 hash;
// The frequency for creating a checkpoint
//
// The default value should be the same as the checkpoint size(32768) in the ethereum.
uint sectionSize;
// The number of confirmations needed before a checkpoint can be registered.
// We have to make sure the checkpoint registered will not be invalid due to
// chain reorg.
//
// The default value should be the same as the checkpoint process confirmations(256)
// in the ethereum.
uint processConfirms;
// The required signatures to finalize a stable checkpoint.
uint threshold;
}

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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package checkpointoracle is a an on-chain light client checkpoint oracle.
package checkpointoracle
//go:generate abigen --sol contract/oracle.sol --pkg contract --out contract/oracle.go
import (
"errors"
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/contracts/checkpointoracle/contract"
"github.com/ethereum/go-ethereum/core/types"
)
// CheckpointOracle is a Go wrapper around an on-chain light client checkpoint oracle.
type CheckpointOracle struct {
contract *contract.CheckpointOracle
}
// NewCheckpointOracle binds checkpoint contract and returns a registrar instance.
func NewCheckpointOracle(contractAddr common.Address, backend bind.ContractBackend) (*CheckpointOracle, error) {
c, err := contract.NewCheckpointOracle(contractAddr, backend)
if err != nil {
return nil, err
}
return &CheckpointOracle{contract: c}, nil
}
// Contract returns the underlying contract instance.
func (oracle *CheckpointOracle) Contract() *contract.CheckpointOracle {
return oracle.contract
}
// LookupCheckpointEvents searches checkpoint event for specific section in the
// given log batches.
func (oracle *CheckpointOracle) LookupCheckpointEvents(blockLogs [][]*types.Log, section uint64, hash common.Hash) []*contract.CheckpointOracleNewCheckpointVote {
var votes []*contract.CheckpointOracleNewCheckpointVote
for _, logs := range blockLogs {
for _, log := range logs {
event, err := oracle.contract.ParseNewCheckpointVote(*log)
if err != nil {
continue
}
if event.Index == section && common.Hash(event.CheckpointHash) == hash {
votes = append(votes, event)
}
}
}
return votes
}
// RegisterCheckpoint registers the checkpoint with a batch of associated signatures
// that are collected off-chain and sorted by lexicographical order.
//
// Notably all signatures given should be transformed to "ethereum style" which transforms
// v from 0/1 to 27/28 according to the yellow paper.
func (oracle *CheckpointOracle) RegisterCheckpoint(opts *bind.TransactOpts, index uint64, hash []byte, rnum *big.Int, rhash [32]byte, sigs [][]byte) (*types.Transaction, error) {
var (
r [][32]byte
s [][32]byte
v []uint8
)
for i := 0; i < len(sigs); i++ {
if len(sigs[i]) != 65 {
return nil, errors.New("invalid signature")
}
r = append(r, common.BytesToHash(sigs[i][:32]))
s = append(s, common.BytesToHash(sigs[i][32:64]))
v = append(v, sigs[i][64])
}
return oracle.contract.SetCheckpoint(opts, rnum, rhash, common.BytesToHash(hash), index, v, r, s)
}

333
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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package checkpointoracle
import (
"bytes"
"crypto/ecdsa"
"encoding/binary"
"errors"
"math/big"
"reflect"
"sort"
"testing"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/contracts/checkpointoracle/contract"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/params"
)
var (
emptyHash = [32]byte{}
checkpoint0 = params.TrustedCheckpoint{
SectionIndex: 0,
SectionHead: common.HexToHash("0x7fa3c32f996c2bfb41a1a65b3d8ea3e0a33a1674cde43678ad6f4235e764d17d"),
CHTRoot: common.HexToHash("0x98fc5d3de23a0fecebad236f6655533c157d26a1aedcd0852a514dc1169e6350"),
BloomRoot: common.HexToHash("0x99b5adb52b337fe25e74c1c6d3835b896bd638611b3aebddb2317cce27a3f9fa"),
}
checkpoint1 = params.TrustedCheckpoint{
SectionIndex: 1,
SectionHead: common.HexToHash("0x2d4dee68102125e59b0cc61b176bd89f0d12b3b91cfaf52ef8c2c82fb920c2d2"),
CHTRoot: common.HexToHash("0x7d428008ece3b4c4ef5439f071930aad0bb75108d381308df73beadcd01ded95"),
BloomRoot: common.HexToHash("0x652571f7736de17e7bbb427ac881474da684c6988a88bf51b10cca9a2ee148f4"),
}
checkpoint2 = params.TrustedCheckpoint{
SectionIndex: 2,
SectionHead: common.HexToHash("0x61c0de578c0115b1dff8ef39aa600588c7c6ecb8a2f102003d7cf4c4146e9291"),
CHTRoot: common.HexToHash("0x407a08a407a2bc3838b74ca3eb206903c9c8a186ccf5ef14af07794efff1970b"),
BloomRoot: common.HexToHash("0x058b4161f558ce295a92925efc57f34f9210d5a30088d7475c183e0d3e58f5ac"),
}
)
var (
// The block frequency for creating checkpoint(only used in test)
sectionSize = big.NewInt(512)
// The number of confirmations needed to generate a checkpoint(only used in test).
processConfirms = big.NewInt(4)
)
// validateOperation executes the operation, watches and delivers all events fired by the backend and ensures the
// correctness by assert function.
func validateOperation(t *testing.T, c *contract.CheckpointOracle, backend *backends.SimulatedBackend, operation func(),
assert func(<-chan *contract.CheckpointOracleNewCheckpointVote) error, opName string) {
// Watch all events and deliver them to assert function
var (
sink = make(chan *contract.CheckpointOracleNewCheckpointVote)
sub, _ = c.WatchNewCheckpointVote(nil, sink, nil)
)
defer func() {
// Close all subscribers
sub.Unsubscribe()
}()
operation()
// flush pending block
backend.Commit()
if err := assert(sink); err != nil {
t.Errorf("operation {%s} failed, err %s", opName, err)
}
}
// validateEvents checks that the correct number of contract events
// fired by contract backend.
func validateEvents(target int, sink interface{}) (bool, []reflect.Value) {
chanval := reflect.ValueOf(sink)
chantyp := chanval.Type()
if chantyp.Kind() != reflect.Chan || chantyp.ChanDir()&reflect.RecvDir == 0 {
return false, nil
}
count := 0
var recv []reflect.Value
timeout := time.After(1 * time.Second)
cases := []reflect.SelectCase{{Chan: chanval, Dir: reflect.SelectRecv}, {Chan: reflect.ValueOf(timeout), Dir: reflect.SelectRecv}}
for {
chose, v, _ := reflect.Select(cases)
if chose == 1 {
// Not enough event received
return false, nil
}
count += 1
recv = append(recv, v)
if count == target {
break
}
}
done := time.After(50 * time.Millisecond)
cases = cases[:1]
cases = append(cases, reflect.SelectCase{Chan: reflect.ValueOf(done), Dir: reflect.SelectRecv})
chose, _, _ := reflect.Select(cases)
// If chose equal 0, it means receiving redundant events.
return chose == 1, recv
}
func signCheckpoint(addr common.Address, privateKey *ecdsa.PrivateKey, index uint64, hash common.Hash) []byte {
// EIP 191 style signatures
//
// Arguments when calculating hash to validate
// 1: byte(0x19) - the initial 0x19 byte
// 2: byte(0) - the version byte (data with intended validator)
// 3: this - the validator address
// -- Application specific data
// 4 : checkpoint section_index(uint64)
// 5 : checkpoint hash (bytes32)
// hash = keccak256(checkpoint_index, section_head, cht_root, bloom_root)
buf := make([]byte, 8)
binary.BigEndian.PutUint64(buf, index)
data := append([]byte{0x19, 0x00}, append(addr.Bytes(), append(buf, hash.Bytes()...)...)...)
sig, _ := crypto.Sign(crypto.Keccak256(data), privateKey)
sig[64] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper
return sig
}
// assertSignature verifies whether the recovered signers are equal with expected.
func assertSignature(addr common.Address, index uint64, hash [32]byte, r, s [32]byte, v uint8, expect common.Address) bool {
buf := make([]byte, 8)
binary.BigEndian.PutUint64(buf, index)
data := append([]byte{0x19, 0x00}, append(addr.Bytes(), append(buf, hash[:]...)...)...)
pubkey, err := crypto.Ecrecover(crypto.Keccak256(data), append(r[:], append(s[:], v-27)...))
if err != nil {
return false
}
var signer common.Address
copy(signer[:], crypto.Keccak256(pubkey[1:])[12:])
return bytes.Equal(signer.Bytes(), expect.Bytes())
}
type Account struct {
key *ecdsa.PrivateKey
addr common.Address
}
type Accounts []Account
func (a Accounts) Len() int { return len(a) }
func (a Accounts) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a Accounts) Less(i, j int) bool { return bytes.Compare(a[i].addr.Bytes(), a[j].addr.Bytes()) < 0 }
func TestCheckpointRegister(t *testing.T) {
// Initialize test accounts
var accounts Accounts
for i := 0; i < 3; i++ {
key, _ := crypto.GenerateKey()
addr := crypto.PubkeyToAddress(key.PublicKey)
accounts = append(accounts, Account{key: key, addr: addr})
}
sort.Sort(accounts)
// Deploy registrar contract
transactOpts := bind.NewKeyedTransactor(accounts[0].key)
contractBackend := backends.NewSimulatedBackend(core.GenesisAlloc{accounts[0].addr: {Balance: big.NewInt(1000000000)}, accounts[1].addr: {Balance: big.NewInt(1000000000)}, accounts[2].addr: {Balance: big.NewInt(1000000000)}}, 10000000)
// 3 trusted signers, threshold 2
contractAddr, _, c, err := contract.DeployCheckpointOracle(transactOpts, contractBackend, []common.Address{accounts[0].addr, accounts[1].addr, accounts[2].addr}, sectionSize, processConfirms, big.NewInt(2))
if err != nil {
t.Error("Failed to deploy registrar contract", err)
}
contractBackend.Commit()
// getRecent returns block height and hash of the head parent.
getRecent := func() (*big.Int, common.Hash) {
parentNumber := new(big.Int).Sub(contractBackend.Blockchain().CurrentHeader().Number, big.NewInt(1))
parentHash := contractBackend.Blockchain().CurrentHeader().ParentHash
return parentNumber, parentHash
}
// collectSig generates specified number signatures.
collectSig := func(index uint64, hash common.Hash, n int, unauthorized *ecdsa.PrivateKey) (v []uint8, r [][32]byte, s [][32]byte) {
for i := 0; i < n; i++ {
sig := signCheckpoint(contractAddr, accounts[i].key, index, hash)
if unauthorized != nil {
sig = signCheckpoint(contractAddr, unauthorized, index, hash)
}
r = append(r, common.BytesToHash(sig[:32]))
s = append(s, common.BytesToHash(sig[32:64]))
v = append(v, sig[64])
}
return v, r, s
}
// insertEmptyBlocks inserts a batch of empty blocks to blockchain.
insertEmptyBlocks := func(number int) {
for i := 0; i < number; i++ {
contractBackend.Commit()
}
}
// assert checks whether the current contract status is same with
// the expected.
assert := func(index uint64, hash [32]byte, height *big.Int) error {
lindex, lhash, lheight, err := c.GetLatestCheckpoint(nil)
if err != nil {
return err
}
if lindex != index {
return errors.New("latest checkpoint index mismatch")
}
if !bytes.Equal(lhash[:], hash[:]) {
return errors.New("latest checkpoint hash mismatch")
}
if lheight.Cmp(height) != 0 {
return errors.New("latest checkpoint height mismatch")
}
return nil
}
// Test future checkpoint registration
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
v, r, s := collectSig(0, checkpoint0.Hash(), 2, nil)
c.SetCheckpoint(transactOpts, number, hash, checkpoint0.Hash(), 0, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
return assert(0, emptyHash, big.NewInt(0))
}, "test future checkpoint registration")
insertEmptyBlocks(int(sectionSize.Uint64() + processConfirms.Uint64()))
// Test transaction replay protection
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
v, r, s := collectSig(0, checkpoint0.Hash(), 2, nil)
hash = common.HexToHash("deadbeef")
c.SetCheckpoint(transactOpts, number, hash, checkpoint0.Hash(), 0, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
return assert(0, emptyHash, big.NewInt(0))
}, "test transaction replay protection")
// Test unauthorized signature checking
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
u, _ := crypto.GenerateKey()
v, r, s := collectSig(0, checkpoint0.Hash(), 2, u)
c.SetCheckpoint(transactOpts, number, hash, checkpoint0.Hash(), 0, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
return assert(0, emptyHash, big.NewInt(0))
}, "test unauthorized signature checking")
// Test un-multi-signature checkpoint registration
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
v, r, s := collectSig(0, checkpoint0.Hash(), 1, nil)
c.SetCheckpoint(transactOpts, number, hash, checkpoint0.Hash(), 0, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
return assert(0, emptyHash, big.NewInt(0))
}, "test un-multi-signature checkpoint registration")
// Test valid checkpoint registration
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
v, r, s := collectSig(0, checkpoint0.Hash(), 2, nil)
c.SetCheckpoint(transactOpts, number, hash, checkpoint0.Hash(), 0, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
if valid, recv := validateEvents(2, events); !valid {
return errors.New("receive incorrect number of events")
} else {
for i := 0; i < len(recv); i++ {
event := recv[i].Interface().(*contract.CheckpointOracleNewCheckpointVote)
if !assertSignature(contractAddr, event.Index, event.CheckpointHash, event.R, event.S, event.V, accounts[i].addr) {
return errors.New("recover signer failed")
}
}
}
number, _ := getRecent()
return assert(0, checkpoint0.Hash(), number.Add(number, big.NewInt(1)))
}, "test valid checkpoint registration")
distance := 3*sectionSize.Uint64() + processConfirms.Uint64() - contractBackend.Blockchain().CurrentHeader().Number.Uint64()
insertEmptyBlocks(int(distance))
// Test uncontinuous checkpoint registration
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
v, r, s := collectSig(2, checkpoint2.Hash(), 2, nil)
c.SetCheckpoint(transactOpts, number, hash, checkpoint2.Hash(), 2, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
if valid, recv := validateEvents(2, events); !valid {
return errors.New("receive incorrect number of events")
} else {
for i := 0; i < len(recv); i++ {
event := recv[i].Interface().(*contract.CheckpointOracleNewCheckpointVote)
if !assertSignature(contractAddr, event.Index, event.CheckpointHash, event.R, event.S, event.V, accounts[i].addr) {
return errors.New("recover signer failed")
}
}
}
number, _ := getRecent()
return assert(2, checkpoint2.Hash(), number.Add(number, big.NewInt(1)))
}, "test uncontinuous checkpoint registration")
// Test old checkpoint registration
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
v, r, s := collectSig(1, checkpoint1.Hash(), 2, nil)
c.SetCheckpoint(transactOpts, number, hash, checkpoint1.Hash(), 1, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
number, _ := getRecent()
return assert(2, checkpoint2.Hash(), number)
}, "test uncontinuous checkpoint registration")
// Test stale checkpoint registration
validateOperation(t, c, contractBackend, func() {
number, hash := getRecent()
v, r, s := collectSig(2, checkpoint2.Hash(), 2, nil)
c.SetCheckpoint(transactOpts, number, hash, checkpoint2.Hash(), 2, v, r, s)
}, func(events <-chan *contract.CheckpointOracleNewCheckpointVote) error {
number, _ := getRecent()
return assert(2, checkpoint2.Hash(), number.Sub(number, big.NewInt(1)))
}, "test stale checkpoint registration")
}

87
core/blockchain.go
View file

@ -46,6 +46,10 @@ import (
)
var (
headBlockGauge = metrics.NewRegisteredGauge("chain/head/block", nil)
headHeaderGauge = metrics.NewRegisteredGauge("chain/head/header", nil)
headFastBlockGauge = metrics.NewRegisteredGauge("chain/head/receipt", nil)
accountReadTimer = metrics.NewRegisteredTimer("chain/account/reads", nil)
accountHashTimer = metrics.NewRegisteredTimer("chain/account/hashes", nil)
accountUpdateTimer = metrics.NewRegisteredTimer("chain/account/updates", nil)
@ -332,6 +336,7 @@ func (bc *BlockChain) loadLastState() error {
}
// Everything seems to be fine, set as the head block
bc.currentBlock.Store(currentBlock)
headBlockGauge.Update(int64(currentBlock.NumberU64()))
// Restore the last known head header
currentHeader := currentBlock.Header()
@ -344,12 +349,14 @@ func (bc *BlockChain) loadLastState() error {
// Restore the last known head fast block
bc.currentFastBlock.Store(currentBlock)
headFastBlockGauge.Update(int64(currentBlock.NumberU64()))
if head := rawdb.ReadHeadFastBlockHash(bc.db); head != (common.Hash{}) {
if block := bc.GetBlockByHash(head); block != nil {
bc.currentFastBlock.Store(block)
headFastBlockGauge.Update(int64(block.NumberU64()))
}
}
// Issue a status log for the user
currentFastBlock := bc.CurrentFastBlock()
@ -388,6 +395,7 @@ func (bc *BlockChain) SetHead(head uint64) error {
}
rawdb.WriteHeadBlockHash(db, newHeadBlock.Hash())
bc.currentBlock.Store(newHeadBlock)
headBlockGauge.Update(int64(newHeadBlock.NumberU64()))
}
// Rewind the fast block in a simpleton way to the target head
@ -399,6 +407,7 @@ func (bc *BlockChain) SetHead(head uint64) error {
}
rawdb.WriteHeadFastBlockHash(db, newHeadFastBlock.Hash())
bc.currentFastBlock.Store(newHeadFastBlock)
headFastBlockGauge.Update(int64(newHeadFastBlock.NumberU64()))
}
}
@ -450,6 +459,7 @@ func (bc *BlockChain) FastSyncCommitHead(hash common.Hash) error {
// If all checks out, manually set the head block
bc.chainmu.Lock()
bc.currentBlock.Store(block)
headBlockGauge.Update(int64(block.NumberU64()))
bc.chainmu.Unlock()
log.Info("Committed new head block", "number", block.Number(), "hash", hash)
@ -522,9 +532,12 @@ func (bc *BlockChain) ResetWithGenesisBlock(genesis *types.Block) error {
bc.genesisBlock = genesis
bc.insert(bc.genesisBlock)
bc.currentBlock.Store(bc.genesisBlock)
headBlockGauge.Update(int64(bc.genesisBlock.NumberU64()))
bc.hc.SetGenesis(bc.genesisBlock.Header())
bc.hc.SetCurrentHeader(bc.genesisBlock.Header())
bc.currentFastBlock.Store(bc.genesisBlock)
headFastBlockGauge.Update(int64(bc.genesisBlock.NumberU64()))
return nil
}
@ -598,6 +611,7 @@ func (bc *BlockChain) insert(block *types.Block) {
rawdb.WriteHeadBlockHash(bc.db, block.Hash())
bc.currentBlock.Store(block)
headBlockGauge.Update(int64(block.NumberU64()))
// If the block is better than our head or is on a different chain, force update heads
if updateHeads {
@ -605,6 +619,7 @@ func (bc *BlockChain) insert(block *types.Block) {
rawdb.WriteHeadFastBlockHash(bc.db, block.Hash())
bc.currentFastBlock.Store(block)
headFastBlockGauge.Update(int64(block.NumberU64()))
}
}
@ -862,11 +877,13 @@ func (bc *BlockChain) Rollback(chain []common.Hash) {
newFastBlock := bc.GetBlock(currentFastBlock.ParentHash(), currentFastBlock.NumberU64()-1)
rawdb.WriteHeadFastBlockHash(bc.db, newFastBlock.Hash())
bc.currentFastBlock.Store(newFastBlock)
headFastBlockGauge.Update(int64(newFastBlock.NumberU64()))
}
if currentBlock := bc.CurrentBlock(); currentBlock.Hash() == hash {
newBlock := bc.GetBlock(currentBlock.ParentHash(), currentBlock.NumberU64()-1)
rawdb.WriteHeadBlockHash(bc.db, newBlock.Hash())
bc.currentBlock.Store(newBlock)
headBlockGauge.Update(int64(newBlock.NumberU64()))
}
}
// Truncate ancient data which exceeds the current header.
@ -910,9 +927,17 @@ func (bc *BlockChain) truncateAncient(head uint64) error {
return nil
}
// numberHash is just a container for a number and a hash, to represent a block
type numberHash struct {
number uint64
hash common.Hash
}
// InsertReceiptChain attempts to complete an already existing header chain with
// transaction and receipt data.
func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain []types.Receipts, ancientLimit uint64) (int, error) {
// We don't require the chainMu here since we want to maximize the
// concurrency of header insertion and receipt insertion.
bc.wg.Add(1)
defer bc.wg.Done()
@ -945,18 +970,21 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
// updateHead updates the head fast sync block if the inserted blocks are better
// and returns a indicator whether the inserted blocks are canonical.
updateHead := func(head *types.Block) bool {
var isCanonical bool
bc.chainmu.Lock()
if td := bc.GetTd(head.Hash(), head.NumberU64()); td != nil { // Rewind may have occurred, skip in that case
currentFastBlock := bc.CurrentFastBlock()
// Rewind may have occurred, skip in that case.
if bc.CurrentHeader().Number.Cmp(head.Number()) >= 0 {
currentFastBlock, td := bc.CurrentFastBlock(), bc.GetTd(head.Hash(), head.NumberU64())
if bc.GetTd(currentFastBlock.Hash(), currentFastBlock.NumberU64()).Cmp(td) < 0 {
rawdb.WriteHeadFastBlockHash(bc.db, head.Hash())
bc.currentFastBlock.Store(head)
isCanonical = true
headFastBlockGauge.Update(int64(head.NumberU64()))
bc.chainmu.Unlock()
return true
}
}
bc.chainmu.Unlock()
return isCanonical
return false
}
// writeAncient writes blockchain and corresponding receipt chain into ancient store.
//
@ -976,7 +1004,7 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
}
}
}()
var deleted types.Blocks
var deleted []*numberHash
for i, block := range blockChain {
// Short circuit insertion if shutting down or processing failed
if atomic.LoadInt32(&bc.procInterrupt) == 1 {
@ -1011,12 +1039,40 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
// Always keep genesis block in active database.
if b.NumberU64() != 0 {
deleted = append(deleted, b)
deleted = append(deleted, &numberHash{b.NumberU64(), b.Hash()})
}
if time.Since(logged) > 8*time.Second {
log.Info("Migrating ancient blocks", "count", count, "elapsed", common.PrettyDuration(time.Since(start)))
logged = time.Now()
}
// Don't collect too much in-memory, write it out every 100K blocks
if len(deleted) > 100000 {
// Sync the ancient store explicitly to ensure all data has been flushed to disk.
if err := bc.db.Sync(); err != nil {
return 0, err
}
// Wipe out canonical block data.
for _, nh := range deleted {
rawdb.DeleteBlockWithoutNumber(batch, nh.hash, nh.number)
rawdb.DeleteCanonicalHash(batch, nh.number)
}
if err := batch.Write(); err != nil {
return 0, err
}
batch.Reset()
// Wipe out side chain too.
for _, nh := range deleted {
for _, hash := range rawdb.ReadAllHashes(bc.db, nh.number) {
rawdb.DeleteBlock(batch, hash, nh.number)
}
}
if err := batch.Write(); err != nil {
return 0, err
}
batch.Reset()
deleted = deleted[0:]
}
}
if count > 0 {
log.Info("Migrated ancient blocks", "count", count, "elapsed", common.PrettyDuration(time.Since(start)))
@ -1044,7 +1100,11 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
previous = nil // disable rollback explicitly
// Wipe out canonical block data.
for _, block := range append(deleted, blockChain...) {
for _, nh := range deleted {
rawdb.DeleteBlockWithoutNumber(batch, nh.hash, nh.number)
rawdb.DeleteCanonicalHash(batch, nh.number)
}
for _, block := range blockChain {
// Always keep genesis block in active database.
if block.NumberU64() != 0 {
rawdb.DeleteBlockWithoutNumber(batch, block.Hash(), block.NumberU64())
@ -1057,7 +1117,12 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
batch.Reset()
// Wipe out side chain too.
for _, block := range append(deleted, blockChain...) {
for _, nh := range deleted {
for _, hash := range rawdb.ReadAllHashes(bc.db, nh.number) {
rawdb.DeleteBlock(batch, hash, nh.number)
}
}
for _, block := range blockChain {
// Always keep genesis block in active database.
if block.NumberU64() != 0 {
for _, hash := range rawdb.ReadAllHashes(bc.db, block.NumberU64()) {
@ -2081,7 +2146,7 @@ func (bc *BlockChain) GetHeaderByNumber(number uint64) *types.Header {
return bc.hc.GetHeaderByNumber(number)
}
// Config retrieves the blockchain's chain configuration.
// Config retrieves the chain's fork configuration.
func (bc *BlockChain) Config() *params.ChainConfig { return bc.chainConfig }
// Engine retrieves the blockchain's consensus engine.

28
core/chain_indexer.go
View file

@ -128,12 +128,13 @@ func (c *ChainIndexer) AddCheckpoint(section uint64, shead common.Hash) {
c.lock.Lock()
defer c.lock.Unlock()
// Short circuit if the given checkpoint is below than local's.
if c.checkpointSections >= section+1 || section < c.storedSections {
return
}
c.checkpointSections = section + 1
c.checkpointHead = shead
if section < c.storedSections {
return
}
c.setSectionHead(section, shead)
c.setValidSections(section + 1)
}
@ -243,7 +244,7 @@ func (c *ChainIndexer) newHead(head uint64, reorg bool) {
// If a reorg happened, invalidate all sections until that point
if reorg {
// Revert the known section number to the reorg point
known := head / c.sectionSize
known := (head + 1) / c.sectionSize
stored := known
if known < c.checkpointSections {
known = 0
@ -323,6 +324,7 @@ func (c *ChainIndexer) updateLoop() {
updated = time.Now()
}
// Cache the current section count and head to allow unlocking the mutex
c.verifyLastHead()
section := c.storedSections
var oldHead common.Hash
if section > 0 {
@ -342,8 +344,8 @@ func (c *ChainIndexer) updateLoop() {
}
c.lock.Lock()
// If processing succeeded and no reorgs occcurred, mark the section completed
if err == nil && oldHead == c.SectionHead(section-1) {
// If processing succeeded and no reorgs occurred, mark the section completed
if err == nil && (section == 0 || oldHead == c.SectionHead(section-1)) {
c.setSectionHead(section, newHead)
c.setValidSections(section + 1)
if c.storedSections == c.knownSections && updating {
@ -358,6 +360,7 @@ func (c *ChainIndexer) updateLoop() {
} else {
// If processing failed, don't retry until further notification
c.log.Debug("Chain index processing failed", "section", section, "err", err)
c.verifyLastHead()
c.knownSections = c.storedSections
}
}
@ -411,6 +414,18 @@ func (c *ChainIndexer) processSection(section uint64, lastHead common.Hash) (com
return lastHead, nil
}
// verifyLastHead compares last stored section head with the corresponding block hash in the
// actual canonical chain and rolls back reorged sections if necessary to ensure that stored
// sections are all valid
func (c *ChainIndexer) verifyLastHead() {
for c.storedSections > 0 && c.storedSections > c.checkpointSections {
if c.SectionHead(c.storedSections-1) == rawdb.ReadCanonicalHash(c.chainDb, c.storedSections*c.sectionSize-1) {
return
}
c.setValidSections(c.storedSections - 1)
}
}
// Sections returns the number of processed sections maintained by the indexer
// and also the information about the last header indexed for potential canonical
// verifications.
@ -418,6 +433,7 @@ func (c *ChainIndexer) Sections() (uint64, uint64, common.Hash) {
c.lock.Lock()
defer c.lock.Unlock()
c.verifyLastHead()
return c.storedSections, c.storedSections*c.sectionSize - 1, c.SectionHead(c.storedSections - 1)
}

236
core/forkid/forkid.go Normal file
View file

@ -0,0 +1,236 @@
// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package forkid implements EIP-2124 (https://eips.ethereum.org/EIPS/eip-2124).
package forkid
import (
"encoding/binary"
"errors"
"hash/crc32"
"math"
"math/big"
"reflect"
"strings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
)
var (
// ErrRemoteStale is returned by the validator if a remote fork checksum is a
// subset of our already applied forks, but the announced next fork block is
// not on our already passed chain.
ErrRemoteStale = errors.New("remote needs update")
// ErrLocalIncompatibleOrStale is returned by the validator if a remote fork
// checksum does not match any local checksum variation, signalling that the
// two chains have diverged in the past at some point (possibly at genesis).
ErrLocalIncompatibleOrStale = errors.New("local incompatible or needs update")
)
// ID is a fork identifier as defined by EIP-2124.
type ID struct {
Hash [4]byte // CRC32 checksum of the genesis block and passed fork block numbers
Next uint64 // Block number of the next upcoming fork, or 0 if no forks are known
}
// NewID calculates the Ethereum fork ID from the chain config and head.
func NewID(chain *core.BlockChain) ID {
return newID(
chain.Config(),
chain.Genesis().Hash(),
chain.CurrentHeader().Number.Uint64(),
)
}
// newID is the internal version of NewID, which takes extracted values as its
// arguments instead of a chain. The reason is to allow testing the IDs without
// having to simulate an entire blockchain.
func newID(config *params.ChainConfig, genesis common.Hash, head uint64) ID {
// Calculate the starting checksum from the genesis hash
hash := crc32.ChecksumIEEE(genesis[:])
// Calculate the current fork checksum and the next fork block
var next uint64
for _, fork := range gatherForks(config) {
if fork <= head {
// Fork already passed, checksum the previous hash and the fork number
hash = checksumUpdate(hash, fork)
continue
}
next = fork
break
}
return ID{Hash: checksumToBytes(hash), Next: next}
}
// NewFilter creates an filter that returns if a fork ID should be rejected or not
// based on the local chain's status.
func NewFilter(chain *core.BlockChain) func(id ID) error {
return newFilter(
chain.Config(),
chain.Genesis().Hash(),
func() uint64 {
return chain.CurrentHeader().Number.Uint64()
},
)
}
// newFilter is the internal version of NewFilter, taking closures as its arguments
// instead of a chain. The reason is to allow testing it without having to simulate
// an entire blockchain.
func newFilter(config *params.ChainConfig, genesis common.Hash, headfn func() uint64) func(id ID) error {
// Calculate the all the valid fork hash and fork next combos
var (
forks = gatherForks(config)
sums = make([][4]byte, len(forks)+1) // 0th is the genesis
)
hash := crc32.ChecksumIEEE(genesis[:])
sums[0] = checksumToBytes(hash)
for i, fork := range forks {
hash = checksumUpdate(hash, fork)
sums[i+1] = checksumToBytes(hash)
}
// Add two sentries to simplify the fork checks and don't require special
// casing the last one.
forks = append(forks, math.MaxUint64) // Last fork will never be passed
// Create a validator that will filter out incompatible chains
return func(id ID) error {
// Run the fork checksum validation ruleset:
// 1. If local and remote FORK_CSUM matches, connect.
// The two nodes are in the same fork state currently. They might know
// of differing future forks, but that's not relevant until the fork
// triggers (might be postponed, nodes might be updated to match).
// 2. If the remote FORK_CSUM is a subset of the local past forks and the
// remote FORK_NEXT matches with the locally following fork block number,
// connect.
// Remote node is currently syncing. It might eventually diverge from
// us, but at this current point in time we don't have enough information.
// 3. If the remote FORK_CSUM is a superset of the local past forks and can
// be completed with locally known future forks, connect.
// Local node is currently syncing. It might eventually diverge from
// the remote, but at this current point in time we don't have enough
// information.
// 4. Reject in all other cases.
head := headfn()
for i, fork := range forks {
// If our head is beyond this fork, continue to the next (we have a dummy
// fork of maxuint64 as the last item to always fail this check eventually).
if head > fork {
continue
}
// Found the first unpassed fork block, check if our current state matches
// the remote checksum (rule #1).
if sums[i] == id.Hash {
// Yay, fork checksum matched, ignore any upcoming fork
return nil
}
// The local and remote nodes are in different forks currently, check if the
// remote checksum is a subset of our local forks (rule #2).
for j := 0; j < i; j++ {
if sums[j] == id.Hash {
// Remote checksum is a subset, validate based on the announced next fork
if forks[j] != id.Next {
return ErrRemoteStale
}
return nil
}
}
// Remote chain is not a subset of our local one, check if it's a superset by
// any chance, signalling that we're simply out of sync (rule #3).
for j := i + 1; j < len(sums); j++ {
if sums[j] == id.Hash {
// Yay, remote checksum is a superset, ignore upcoming forks
return nil
}
}
// No exact, subset or superset match. We are on differing chains, reject.
return ErrLocalIncompatibleOrStale
}
log.Error("Impossible fork ID validation", "id", id)
return nil // Something's very wrong, accept rather than reject
}
}
// checksum calculates the IEEE CRC32 checksum of a block number.
func checksum(fork uint64) uint32 {
var blob [8]byte
binary.BigEndian.PutUint64(blob[:], fork)
return crc32.ChecksumIEEE(blob[:])
}
// checksumUpdate calculates the next IEEE CRC32 checksum based on the previous
// one and a fork block number (equivalent to CRC32(original-blob || fork)).
func checksumUpdate(hash uint32, fork uint64) uint32 {
var blob [8]byte
binary.BigEndian.PutUint64(blob[:], fork)
return crc32.Update(hash, crc32.IEEETable, blob[:])
}
// checksumToBytes converts a uint32 checksum into a [4]byte array.
func checksumToBytes(hash uint32) [4]byte {
var blob [4]byte
binary.BigEndian.PutUint32(blob[:], hash)
return blob
}
// gatherForks gathers all the known forks and creates a sorted list out of them.
func gatherForks(config *params.ChainConfig) []uint64 {
// Gather all the fork block numbers via reflection
kind := reflect.TypeOf(params.ChainConfig{})
conf := reflect.ValueOf(config).Elem()
var forks []uint64
for i := 0; i < kind.NumField(); i++ {
// Fetch the next field and skip non-fork rules
field := kind.Field(i)
if !strings.HasSuffix(field.Name, "Block") {
continue
}
if field.Type != reflect.TypeOf(new(big.Int)) {
continue
}
// Extract the fork rule block number and aggregate it
rule := conf.Field(i).Interface().(*big.Int)
if rule != nil {
forks = append(forks, rule.Uint64())
}
}
// Sort the fork block numbers to permit chronologival XOR
for i := 0; i < len(forks); i++ {
for j := i + 1; j < len(forks); j++ {
if forks[i] > forks[j] {
forks[i], forks[j] = forks[j], forks[i]
}
}
}
// Deduplicate block numbers applying multiple forks
for i := 1; i < len(forks); i++ {
if forks[i] == forks[i-1] {
forks = append(forks[:i], forks[i+1:]...)
i--
}
}
// Skip any forks in block 0, that's the genesis ruleset
if len(forks) > 0 && forks[0] == 0 {
forks = forks[1:]
}
return forks
}

205
core/forkid/forkid_test.go Normal file
View file

@ -0,0 +1,205 @@
// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package forkid
import (
"bytes"
"math"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
// TestCreation tests that different genesis and fork rule combinations result in
// the correct fork ID.
func TestCreation(t *testing.T) {
type testcase struct {
head uint64
want ID
}
tests := []struct {
config *params.ChainConfig
genesis common.Hash
cases []testcase
}{
// Mainnet test cases
{
params.MainnetChainConfig,
params.MainnetGenesisHash,
[]testcase{
{0, ID{Hash: checksumToBytes(0xfc64ec04), Next: 1150000}}, // Unsynced
{1149999, ID{Hash: checksumToBytes(0xfc64ec04), Next: 1150000}}, // Last Frontier block
{1150000, ID{Hash: checksumToBytes(0x97c2c34c), Next: 1920000}}, // First Homestead block
{1919999, ID{Hash: checksumToBytes(0x97c2c34c), Next: 1920000}}, // Last Homestead block
{1920000, ID{Hash: checksumToBytes(0x91d1f948), Next: 2463000}}, // First DAO block
{2462999, ID{Hash: checksumToBytes(0x91d1f948), Next: 2463000}}, // Last DAO block
{2463000, ID{Hash: checksumToBytes(0x7a64da13), Next: 2675000}}, // First Tangerine block
{2674999, ID{Hash: checksumToBytes(0x7a64da13), Next: 2675000}}, // Last Tangerine block
{2675000, ID{Hash: checksumToBytes(0x3edd5b10), Next: 4370000}}, // First Spurious block
{4369999, ID{Hash: checksumToBytes(0x3edd5b10), Next: 4370000}}, // Last Spurious block
{4370000, ID{Hash: checksumToBytes(0xa00bc324), Next: 7280000}}, // First Byzantium block
{7279999, ID{Hash: checksumToBytes(0xa00bc324), Next: 7280000}}, // Last Byzantium block
{7280000, ID{Hash: checksumToBytes(0x668db0af), Next: 0}}, // First and last Constantinople, first Petersburg block
{7987396, ID{Hash: checksumToBytes(0x668db0af), Next: 0}}, // Today Petersburg block
},
},
// Ropsten test cases
{
params.TestnetChainConfig,
params.TestnetGenesisHash,
[]testcase{
{0, ID{Hash: checksumToBytes(0x30c7ddbc), Next: 10}}, // Unsynced, last Frontier, Homestead and first Tangerine block
{9, ID{Hash: checksumToBytes(0x30c7ddbc), Next: 10}}, // Last Tangerine block
{10, ID{Hash: checksumToBytes(0x63760190), Next: 1700000}}, // First Spurious block
{1699999, ID{Hash: checksumToBytes(0x63760190), Next: 1700000}}, // Last Spurious block
{1700000, ID{Hash: checksumToBytes(0x3ea159c7), Next: 4230000}}, // First Byzantium block
{4229999, ID{Hash: checksumToBytes(0x3ea159c7), Next: 4230000}}, // Last Byzantium block
{4230000, ID{Hash: checksumToBytes(0x97b544f3), Next: 4939394}}, // First Constantinople block
{4939393, ID{Hash: checksumToBytes(0x97b544f3), Next: 4939394}}, // Last Constantinople block
{4939394, ID{Hash: checksumToBytes(0xd6e2149b), Next: 0}}, // First Petersburg block
{5822692, ID{Hash: checksumToBytes(0xd6e2149b), Next: 0}}, // Today Petersburg block
},
},
// Rinkeby test cases
{
params.RinkebyChainConfig,
params.RinkebyGenesisHash,
[]testcase{
{0, ID{Hash: checksumToBytes(0x3b8e0691), Next: 1}}, // Unsynced, last Frontier block
{1, ID{Hash: checksumToBytes(0x60949295), Next: 2}}, // First and last Homestead block
{2, ID{Hash: checksumToBytes(0x8bde40dd), Next: 3}}, // First and last Tangerine block
{3, ID{Hash: checksumToBytes(0xcb3a64bb), Next: 1035301}}, // First Spurious block
{1035300, ID{Hash: checksumToBytes(0xcb3a64bb), Next: 1035301}}, // Last Spurious block
{1035301, ID{Hash: checksumToBytes(0x8d748b57), Next: 3660663}}, // First Byzantium block
{3660662, ID{Hash: checksumToBytes(0x8d748b57), Next: 3660663}}, // Last Byzantium block
{3660663, ID{Hash: checksumToBytes(0xe49cab14), Next: 4321234}}, // First Constantinople block
{4321233, ID{Hash: checksumToBytes(0xe49cab14), Next: 4321234}}, // Last Constantinople block
{4321234, ID{Hash: checksumToBytes(0xafec6b27), Next: 0}}, // First Petersburg block
{4586649, ID{Hash: checksumToBytes(0xafec6b27), Next: 0}}, // Today Petersburg block
},
},
// Goerli test cases
{
params.GoerliChainConfig,
params.GoerliGenesisHash,
[]testcase{
{0, ID{Hash: checksumToBytes(0xa3f5ab08), Next: 0}}, // Unsynced, last Frontier, Homestead, Tangerine, Spurious, Byzantium, Constantinople and first Petersburg block
{795329, ID{Hash: checksumToBytes(0xa3f5ab08), Next: 0}}, // Today Petersburg block
},
},
}
for i, tt := range tests {
for j, ttt := range tt.cases {
if have := newID(tt.config, tt.genesis, ttt.head); have != ttt.want {
t.Errorf("test %d, case %d: fork ID mismatch: have %x, want %x", i, j, have, ttt.want)
}
}
}
}
// TestValidation tests that a local peer correctly validates and accepts a remote
// fork ID.
func TestValidation(t *testing.T) {
tests := []struct {
head uint64
id ID
err error
}{
// Local is mainnet Petersburg, remote announces the same. No future fork is announced.
{7987396, ID{Hash: checksumToBytes(0x668db0af), Next: 0}, nil},
// Local is mainnet Petersburg, remote announces the same. Remote also announces a next fork
// at block 0xffffffff, but that is uncertain.
{7987396, ID{Hash: checksumToBytes(0x668db0af), Next: math.MaxUint64}, nil},
// Local is mainnet currently in Byzantium only (so it's aware of Petersburg), remote announces
// also Byzantium, but it's not yet aware of Petersburg (e.g. non updated node before the fork).
// In this case we don't know if Petersburg passed yet or not.
{7279999, ID{Hash: checksumToBytes(0xa00bc324), Next: 0}, nil},
// Local is mainnet currently in Byzantium only (so it's aware of Petersburg), remote announces
// also Byzantium, and it's also aware of Petersburg (e.g. updated node before the fork). We
// don't know if Petersburg passed yet (will pass) or not.
{7279999, ID{Hash: checksumToBytes(0xa00bc324), Next: 7280000}, nil},
// Local is mainnet currently in Byzantium only (so it's aware of Petersburg), remote announces
// also Byzantium, and it's also aware of some random fork (e.g. misconfigured Petersburg). As
// neither forks passed at neither nodes, they may mismatch, but we still connect for now.
{7279999, ID{Hash: checksumToBytes(0xa00bc324), Next: math.MaxUint64}, nil},
// Local is mainnet Petersburg, remote announces Byzantium + knowledge about Petersburg. Remote
// is simply out of sync, accept.
{7987396, ID{Hash: checksumToBytes(0x668db0af), Next: 7280000}, nil},
// Local is mainnet Petersburg, remote announces Spurious + knowledge about Byzantium. Remote
// is definitely out of sync. It may or may not need the Petersburg update, we don't know yet.
{7987396, ID{Hash: checksumToBytes(0x3edd5b10), Next: 4370000}, nil},
// Local is mainnet Byzantium, remote announces Petersburg. Local is out of sync, accept.
{7279999, ID{Hash: checksumToBytes(0x668db0af), Next: 0}, nil},
// Local is mainnet Spurious, remote announces Byzantium, but is not aware of Petersburg. Local
// out of sync. Local also knows about a future fork, but that is uncertain yet.
{4369999, ID{Hash: checksumToBytes(0xa00bc324), Next: 0}, nil},
// Local is mainnet Petersburg. remote announces Byzantium but is not aware of further forks.
// Remote needs software update.
{7987396, ID{Hash: checksumToBytes(0xa00bc324), Next: 0}, ErrRemoteStale},
// Local is mainnet Petersburg, and isn't aware of more forks. Remote announces Petersburg +
// 0xffffffff. Local needs software update, reject.
{7987396, ID{Hash: checksumToBytes(0x5cddc0e1), Next: 0}, ErrLocalIncompatibleOrStale},
// Local is mainnet Byzantium, and is aware of Petersburg. Remote announces Petersburg +
// 0xffffffff. Local needs software update, reject.
{7279999, ID{Hash: checksumToBytes(0x5cddc0e1), Next: 0}, ErrLocalIncompatibleOrStale},
// Local is mainnet Petersburg, remote is Rinkeby Petersburg.
{7987396, ID{Hash: checksumToBytes(0xafec6b27), Next: 0}, ErrLocalIncompatibleOrStale},
}
for i, tt := range tests {
filter := newFilter(params.MainnetChainConfig, params.MainnetGenesisHash, func() uint64 { return tt.head })
if err := filter(tt.id); err != tt.err {
t.Errorf("test %d: validation error mismatch: have %v, want %v", i, err, tt.err)
}
}
}
// Tests that IDs are properly RLP encoded (specifically important because we
// use uint32 to store the hash, but we need to encode it as [4]byte).
func TestEncoding(t *testing.T) {
tests := []struct {
id ID
want []byte
}{
{ID{Hash: checksumToBytes(0), Next: 0}, common.Hex2Bytes("c6840000000080")},
{ID{Hash: checksumToBytes(0xdeadbeef), Next: 0xBADDCAFE}, common.Hex2Bytes("ca84deadbeef84baddcafe,")},
{ID{Hash: checksumToBytes(math.MaxUint32), Next: math.MaxUint64}, common.Hex2Bytes("ce84ffffffff88ffffffffffffffff")},
}
for i, tt := range tests {
have, err := rlp.EncodeToBytes(tt.id)
if err != nil {
t.Errorf("test %d: failed to encode forkid: %v", i, err)
continue
}
if !bytes.Equal(have, tt.want) {
t.Errorf("test %d: RLP mismatch: have %x, want %x", i, have, tt.want)
}
}
}

7
core/genesis.go
View file

@ -151,9 +151,6 @@ func (e *GenesisMismatchError) Error() string {
//
// The returned chain configuration is never nil.
func SetupGenesisBlock(db ethdb.Database, genesis *Genesis) (*params.ChainConfig, common.Hash, error) {
return SetupGenesisBlockWithOverride(db, genesis, nil)
}
func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, constantinopleOverride *big.Int) (*params.ChainConfig, common.Hash, error) {
if genesis != nil && genesis.Config == nil {
return params.AllEthashProtocolChanges, common.Hash{}, errGenesisNoConfig
}
@ -196,10 +193,6 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, constant
// Get the existing chain configuration.
newcfg := genesis.configOrDefault(stored)
if constantinopleOverride != nil {
newcfg.ConstantinopleBlock = constantinopleOverride
newcfg.PetersburgBlock = constantinopleOverride
}
storedcfg := rawdb.ReadChainConfig(db, stored)
if storedcfg == nil {
log.Warn("Found genesis block without chain config")

5
core/headerchain.go
View file

@ -104,6 +104,7 @@ func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, engine c
}
}
hc.currentHeaderHash = hc.CurrentHeader().Hash()
headHeaderGauge.Update(hc.CurrentHeader().Number.Int64())
return hc, nil
}
@ -185,12 +186,12 @@ func (hc *HeaderChain) WriteHeader(header *types.Header) (status WriteStatus, er
hc.currentHeaderHash = hash
hc.currentHeader.Store(types.CopyHeader(header))
headHeaderGauge.Update(header.Number.Int64())
status = CanonStatTy
} else {
status = SideStatTy
}
hc.headerCache.Add(hash, header)
hc.numberCache.Add(hash, number)
@ -456,6 +457,7 @@ func (hc *HeaderChain) SetCurrentHeader(head *types.Header) {
hc.currentHeader.Store(head)
hc.currentHeaderHash = head.Hash()
headHeaderGauge.Update(head.Number.Int64())
}
type (
@ -508,6 +510,7 @@ func (hc *HeaderChain) SetHead(head uint64, updateFn UpdateHeadBlocksCallback, d
hc.currentHeader.Store(parent)
hc.currentHeaderHash = parentHash
headHeaderGauge.Update(parent.Number.Int64())
}
batch.Write()

7
core/rawdb/freezer.go
View file

@ -80,8 +80,9 @@ type freezer struct {
func newFreezer(datadir string, namespace string) (*freezer, error) {
// Create the initial freezer object
var (
readMeter = metrics.NewRegisteredMeter(namespace+"ancient/read", nil)
writeMeter = metrics.NewRegisteredMeter(namespace+"ancient/write", nil)
readMeter = metrics.NewRegisteredMeter(namespace+"ancient/read", nil)
writeMeter = metrics.NewRegisteredMeter(namespace+"ancient/write", nil)
sizeCounter = metrics.NewRegisteredCounter(namespace+"ancient/size", nil)
)
// Ensure the datadir is not a symbolic link if it exists.
if info, err := os.Lstat(datadir); !os.IsNotExist(err) {
@ -102,7 +103,7 @@ func newFreezer(datadir string, namespace string) (*freezer, error) {
instanceLock: lock,
}
for name, disableSnappy := range freezerNoSnappy {
table, err := newTable(datadir, name, readMeter, writeMeter, disableSnappy)
table, err := newTable(datadir, name, readMeter, writeMeter, sizeCounter, disableSnappy)
if err != nil {
for _, table := range freezer.tables {
table.Close()

130
core/rawdb/freezer_table.go
View file

@ -20,6 +20,7 @@ import (
"encoding/binary"
"errors"
"fmt"
"io"
"os"
"path/filepath"
"sync"
@ -93,36 +94,75 @@ type freezerTable struct {
// to count how many historic items have gone missing.
itemOffset uint32 // Offset (number of discarded items)
headBytes uint32 // Number of bytes written to the head file
readMeter metrics.Meter // Meter for measuring the effective amount of data read
writeMeter metrics.Meter // Meter for measuring the effective amount of data written
headBytes uint32 // Number of bytes written to the head file
readMeter metrics.Meter // Meter for measuring the effective amount of data read
writeMeter metrics.Meter // Meter for measuring the effective amount of data written
sizeCounter metrics.Counter // Counter for tracking the combined size of all freezer tables
logger log.Logger // Logger with database path and table name ambedded
lock sync.RWMutex // Mutex protecting the data file descriptors
}
// newTable opens a freezer table with default settings - 2G files
func newTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, disableSnappy bool) (*freezerTable, error) {
return newCustomTable(path, name, readMeter, writeMeter, 2*1000*1000*1000, disableSnappy)
func newTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, sizeCounter metrics.Counter, disableSnappy bool) (*freezerTable, error) {
return newCustomTable(path, name, readMeter, writeMeter, sizeCounter, 2*1000*1000*1000, disableSnappy)
}
// openFreezerFileForAppend opens a freezer table file and seeks to the end
func openFreezerFileForAppend(filename string) (*os.File, error) {
// Open the file without the O_APPEND flag
// because it has differing behaviour during Truncate operations
// on different OS's
file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE, 0644)
if err != nil {
return nil, err
}
// Seek to end for append
if _, err = file.Seek(0, io.SeekEnd); err != nil {
return nil, err
}
return file, nil
}
// openFreezerFileForReadOnly opens a freezer table file for read only access
func openFreezerFileForReadOnly(filename string) (*os.File, error) {
return os.OpenFile(filename, os.O_RDONLY, 0644)
}
// openFreezerFileTruncated opens a freezer table making sure it is truncated
func openFreezerFileTruncated(filename string) (*os.File, error) {
return os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
}
// truncateFreezerFile resizes a freezer table file and seeks to the end
func truncateFreezerFile(file *os.File, size int64) error {
if err := file.Truncate(size); err != nil {
return err
}
// Seek to end for append
if _, err := file.Seek(0, io.SeekEnd); err != nil {
return err
}
return nil
}
// newCustomTable opens a freezer table, creating the data and index files if they are
// non existent. Both files are truncated to the shortest common length to ensure
// they don't go out of sync.
func newCustomTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, maxFilesize uint32, noCompression bool) (*freezerTable, error) {
func newCustomTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, sizeCounter metrics.Counter, maxFilesize uint32, noCompression bool) (*freezerTable, error) {
// Ensure the containing directory exists and open the indexEntry file
if err := os.MkdirAll(path, 0755); err != nil {
return nil, err
}
var idxName string
if noCompression {
// raw idx
// Raw idx
idxName = fmt.Sprintf("%s.ridx", name)
} else {
// compressed idx
// Compressed idx
idxName = fmt.Sprintf("%s.cidx", name)
}
offsets, err := os.OpenFile(filepath.Join(path, idxName), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
offsets, err := openFreezerFileForAppend(filepath.Join(path, idxName))
if err != nil {
return nil, err
}
@ -132,6 +172,7 @@ func newCustomTable(path string, name string, readMeter metrics.Meter, writeMete
files: make(map[uint32]*os.File),
readMeter: readMeter,
writeMeter: writeMeter,
sizeCounter: sizeCounter,
name: name,
path: path,
logger: log.New("database", path, "table", name),
@ -142,6 +183,14 @@ func newCustomTable(path string, name string, readMeter metrics.Meter, writeMete
tab.Close()
return nil, err
}
// Initialize the starting size counter
size, err := tab.sizeNolock()
if err != nil {
tab.Close()
return nil, err
}
tab.sizeCounter.Inc(int64(size))
return tab, nil
}
@ -163,7 +212,7 @@ func (t *freezerTable) repair() error {
}
// Ensure the index is a multiple of indexEntrySize bytes
if overflow := stat.Size() % indexEntrySize; overflow != 0 {
t.index.Truncate(stat.Size() - overflow) // New file can't trigger this path
truncateFreezerFile(t.index, stat.Size()-overflow) // New file can't trigger this path
}
// Retrieve the file sizes and prepare for truncation
if stat, err = t.index.Stat(); err != nil {
@ -188,7 +237,7 @@ func (t *freezerTable) repair() error {
t.index.ReadAt(buffer, offsetsSize-indexEntrySize)
lastIndex.unmarshalBinary(buffer)
t.head, err = t.openFile(lastIndex.filenum, os.O_RDWR|os.O_CREATE|os.O_APPEND)
t.head, err = t.openFile(lastIndex.filenum, openFreezerFileForAppend)
if err != nil {
return err
}
@ -204,7 +253,7 @@ func (t *freezerTable) repair() error {
// Truncate the head file to the last offset pointer
if contentExp < contentSize {
t.logger.Warn("Truncating dangling head", "indexed", common.StorageSize(contentExp), "stored", common.StorageSize(contentSize))
if err := t.head.Truncate(contentExp); err != nil {
if err := truncateFreezerFile(t.head, contentExp); err != nil {
return err
}
contentSize = contentExp
@ -212,7 +261,7 @@ func (t *freezerTable) repair() error {
// Truncate the index to point within the head file
if contentExp > contentSize {
t.logger.Warn("Truncating dangling indexes", "indexed", common.StorageSize(contentExp), "stored", common.StorageSize(contentSize))
if err := t.index.Truncate(offsetsSize - indexEntrySize); err != nil {
if err := truncateFreezerFile(t.index, offsetsSize-indexEntrySize); err != nil {
return err
}
offsetsSize -= indexEntrySize
@ -221,9 +270,9 @@ func (t *freezerTable) repair() error {
newLastIndex.unmarshalBinary(buffer)
// We might have slipped back into an earlier head-file here
if newLastIndex.filenum != lastIndex.filenum {
// release earlier opened file
// Release earlier opened file
t.releaseFile(lastIndex.filenum)
t.head, err = t.openFile(newLastIndex.filenum, os.O_RDWR|os.O_CREATE|os.O_APPEND)
t.head, err = t.openFile(newLastIndex.filenum, openFreezerFileForAppend)
if stat, err = t.head.Stat(); err != nil {
// TODO, anything more we can do here?
// A data file has gone missing...
@ -264,16 +313,16 @@ func (t *freezerTable) preopen() (err error) {
t.releaseFilesAfter(0, false)
// Open all except head in RDONLY
for i := t.tailId; i < t.headId; i++ {
if _, err = t.openFile(i, os.O_RDONLY); err != nil {
if _, err = t.openFile(i, openFreezerFileForReadOnly); err != nil {
return err
}
}
// Open head in read/write
t.head, err = t.openFile(t.headId, os.O_RDWR|os.O_CREATE|os.O_APPEND)
t.head, err = t.openFile(t.headId, openFreezerFileForAppend)
return err
}
// truncate discards any recent data above the provided threashold number.
// truncate discards any recent data above the provided threshold number.
func (t *freezerTable) truncate(items uint64) error {
t.lock.Lock()
defer t.lock.Unlock()
@ -282,9 +331,14 @@ func (t *freezerTable) truncate(items uint64) error {
if atomic.LoadUint64(&t.items) <= items {
return nil
}
// We need to truncate, save the old size for metrics tracking
oldSize, err := t.sizeNolock()
if err != nil {
return err
}
// Something's out of sync, truncate the table's offset index
t.logger.Warn("Truncating freezer table", "items", t.items, "limit", items)
if err := t.index.Truncate(int64(items+1) * indexEntrySize); err != nil {
if err := truncateFreezerFile(t.index, int64(items+1)*indexEntrySize); err != nil {
return err
}
// Calculate the new expected size of the data file and truncate it
@ -299,23 +353,31 @@ func (t *freezerTable) truncate(items uint64) error {
if expected.filenum != t.headId {
// If already open for reading, force-reopen for writing
t.releaseFile(expected.filenum)
newHead, err := t.openFile(expected.filenum, os.O_RDWR|os.O_CREATE|os.O_APPEND)
newHead, err := t.openFile(expected.filenum, openFreezerFileForAppend)
if err != nil {
return err
}
// release any files _after the current head -- both the previous head
// Release any files _after the current head -- both the previous head
// and any files which may have been opened for reading
t.releaseFilesAfter(expected.filenum, true)
// set back the historic head
// Set back the historic head
t.head = newHead
atomic.StoreUint32(&t.headId, expected.filenum)
}
if err := t.head.Truncate(int64(expected.offset)); err != nil {
if err := truncateFreezerFile(t.head, int64(expected.offset)); err != nil {
return err
}
// All data files truncated, set internal counters and return
atomic.StoreUint64(&t.items, items)
atomic.StoreUint32(&t.headBytes, expected.offset)
// Retrieve the new size and update the total size counter
newSize, err := t.sizeNolock()
if err != nil {
return err
}
t.sizeCounter.Dec(int64(oldSize - newSize))
return nil
}
@ -344,7 +406,7 @@ func (t *freezerTable) Close() error {
}
// openFile assumes that the write-lock is held by the caller
func (t *freezerTable) openFile(num uint32, flag int) (f *os.File, err error) {
func (t *freezerTable) openFile(num uint32, opener func(string) (*os.File, error)) (f *os.File, err error) {
var exist bool
if f, exist = t.files[num]; !exist {
var name string
@ -353,7 +415,7 @@ func (t *freezerTable) openFile(num uint32, flag int) (f *os.File, err error) {
} else {
name = fmt.Sprintf("%s.%04d.cdat", t.name, num)
}
f, err = os.OpenFile(filepath.Join(t.path, name), flag, 0644)
f, err = opener(filepath.Join(t.path, name))
if err != nil {
return nil, err
}
@ -413,28 +475,27 @@ func (t *freezerTable) Append(item uint64, blob []byte) error {
// we need a new file, writing would overflow
t.lock.RUnlock()
t.lock.Lock()
nextId := atomic.LoadUint32(&t.headId) + 1
nextID := atomic.LoadUint32(&t.headId) + 1
// We open the next file in truncated mode -- if this file already
// exists, we need to start over from scratch on it
newHead, err := t.openFile(nextId, os.O_RDWR|os.O_CREATE|os.O_TRUNC)
newHead, err := t.openFile(nextID, openFreezerFileTruncated)
if err != nil {
t.lock.Unlock()
return err
}
// Close old file, and reopen in RDONLY mode
t.releaseFile(t.headId)
t.openFile(t.headId, os.O_RDONLY)
t.openFile(t.headId, openFreezerFileForReadOnly)
// Swap out the current head
t.head = newHead
atomic.StoreUint32(&t.headBytes, 0)
atomic.StoreUint32(&t.headId, nextId)
atomic.StoreUint32(&t.headId, nextID)
t.lock.Unlock()
t.lock.RLock()
}
defer t.lock.RUnlock()
if _, err := t.head.Write(blob); err != nil {
return err
}
@ -445,7 +506,10 @@ func (t *freezerTable) Append(item uint64, blob []byte) error {
}
// Write indexEntry
t.index.Write(idx.marshallBinary())
t.writeMeter.Mark(int64(bLen + indexEntrySize))
t.sizeCounter.Inc(int64(bLen + indexEntrySize))
atomic.AddUint64(&t.items, 1)
return nil
}
@ -524,6 +588,12 @@ func (t *freezerTable) size() (uint64, error) {
t.lock.RLock()
defer t.lock.RUnlock()
return t.sizeNolock()
}
// sizeNolock returns the total data size in the freezer table without obtaining
// the mutex first.
func (t *freezerTable) sizeNolock() (uint64, error) {
stat, err := t.index.Stat()
if err != nil {
return 0, err

68
core/rawdb/freezer_table_test.go
View file

@ -56,7 +56,7 @@ func TestFreezerBasics(t *testing.T) {
// set cutoff at 50 bytes
f, err := newCustomTable(os.TempDir(),
fmt.Sprintf("unittest-%d", rand.Uint64()),
metrics.NewMeter(), metrics.NewMeter(), 50, true)
metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter(), 50, true)
if err != nil {
t.Fatal(err)
}
@ -98,12 +98,12 @@ func TestFreezerBasicsClosing(t *testing.T) {
t.Parallel()
// set cutoff at 50 bytes
var (
fname = fmt.Sprintf("basics-close-%d", rand.Uint64())
m1, m2 = metrics.NewMeter(), metrics.NewMeter()
f *freezerTable
err error
fname = fmt.Sprintf("basics-close-%d", rand.Uint64())
rm, wm, sc = metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
f *freezerTable
err error
)
f, err = newCustomTable(os.TempDir(), fname, m1, m2, 50, true)
f, err = newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -112,7 +112,7 @@ func TestFreezerBasicsClosing(t *testing.T) {
data := getChunk(15, x)
f.Append(uint64(x), data)
f.Close()
f, err = newCustomTable(os.TempDir(), fname, m1, m2, 50, true)
f, err = newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
}
defer f.Close()
@ -126,7 +126,7 @@ func TestFreezerBasicsClosing(t *testing.T) {
t.Fatalf("test %d, got \n%x != \n%x", y, got, exp)
}
f.Close()
f, err = newCustomTable(os.TempDir(), fname, m1, m2, 50, true)
f, err = newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -136,11 +136,11 @@ func TestFreezerBasicsClosing(t *testing.T) {
// TestFreezerRepairDanglingHead tests that we can recover if index entries are removed
func TestFreezerRepairDanglingHead(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("dangling_headtest-%d", rand.Uint64())
{ // Fill table
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -169,7 +169,7 @@ func TestFreezerRepairDanglingHead(t *testing.T) {
idxFile.Close()
// Now open it again
{
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
// The last item should be missing
if _, err = f.Retrieve(0xff); err == nil {
t.Errorf("Expected error for missing index entry")
@ -184,11 +184,11 @@ func TestFreezerRepairDanglingHead(t *testing.T) {
// TestFreezerRepairDanglingHeadLarge tests that we can recover if very many index entries are removed
func TestFreezerRepairDanglingHeadLarge(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("dangling_headtest-%d", rand.Uint64())
{ // Fill a table and close it
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -216,7 +216,7 @@ func TestFreezerRepairDanglingHeadLarge(t *testing.T) {
idxFile.Close()
// Now open it again
{
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
// The first item should be there
if _, err = f.Retrieve(0); err != nil {
t.Fatal(err)
@ -234,7 +234,7 @@ func TestFreezerRepairDanglingHeadLarge(t *testing.T) {
}
// And if we open it, we should now be able to read all of them (new values)
{
f, _ := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, _ := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
for y := 1; y < 255; y++ {
exp := getChunk(15, ^y)
got, err := f.Retrieve(uint64(y))
@ -251,11 +251,11 @@ func TestFreezerRepairDanglingHeadLarge(t *testing.T) {
// TestSnappyDetection tests that we fail to open a snappy database and vice versa
func TestSnappyDetection(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("snappytest-%d", rand.Uint64())
// Open with snappy
{
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -268,7 +268,7 @@ func TestSnappyDetection(t *testing.T) {
}
// Open without snappy
{
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, false)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, false)
if _, err = f.Retrieve(0); err == nil {
f.Close()
t.Fatalf("expected empty table")
@ -277,7 +277,7 @@ func TestSnappyDetection(t *testing.T) {
// Open with snappy
{
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
// There should be 255 items
if _, err = f.Retrieve(0xfe); err != nil {
f.Close()
@ -302,11 +302,11 @@ func assertFileSize(f string, size int64) error {
// the index is repaired
func TestFreezerRepairDanglingIndex(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("dangling_indextest-%d", rand.Uint64())
{ // Fill a table and close it
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -342,7 +342,7 @@ func TestFreezerRepairDanglingIndex(t *testing.T) {
// 45, 45, 15
// with 3+3+1 items
{
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -359,11 +359,11 @@ func TestFreezerRepairDanglingIndex(t *testing.T) {
func TestFreezerTruncate(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("truncation-%d", rand.Uint64())
{ // Fill table
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -380,7 +380,7 @@ func TestFreezerTruncate(t *testing.T) {
}
// Reopen, truncate
{
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -402,10 +402,10 @@ func TestFreezerTruncate(t *testing.T) {
// That will rewind the index, and _should_ truncate the head file
func TestFreezerRepairFirstFile(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("truncationfirst-%d", rand.Uint64())
{ // Fill table
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -433,7 +433,7 @@ func TestFreezerRepairFirstFile(t *testing.T) {
}
// Reopen
{
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -458,10 +458,10 @@ func TestFreezerRepairFirstFile(t *testing.T) {
// - check that we did not keep the rdonly file descriptors
func TestFreezerReadAndTruncate(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("read_truncate-%d", rand.Uint64())
{ // Fill table
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -478,7 +478,7 @@ func TestFreezerReadAndTruncate(t *testing.T) {
}
// Reopen and read all files
{
f, err := newCustomTable(os.TempDir(), fname, wm, rm, 50, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 50, true)
if err != nil {
t.Fatal(err)
}
@ -504,10 +504,10 @@ func TestFreezerReadAndTruncate(t *testing.T) {
func TestOffset(t *testing.T) {
t.Parallel()
wm, rm := metrics.NewMeter(), metrics.NewMeter()
rm, wm, sc := metrics.NewMeter(), metrics.NewMeter(), metrics.NewCounter()
fname := fmt.Sprintf("offset-%d", rand.Uint64())
{ // Fill table
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 40, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 40, true)
if err != nil {
t.Fatal(err)
}
@ -563,7 +563,7 @@ func TestOffset(t *testing.T) {
}
// Now open again
{
f, err := newCustomTable(os.TempDir(), fname, rm, wm, 40, true)
f, err := newCustomTable(os.TempDir(), fname, rm, wm, sc, 40, true)
if err != nil {
t.Fatal(err)
}

124
core/state/dump.go
View file

@ -21,61 +21,133 @@ import (
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/trie"
)
// DumpAccount represents an account in the state
type DumpAccount struct {
Balance string `json:"balance"`
Nonce uint64 `json:"nonce"`
Root string `json:"root"`
CodeHash string `json:"codeHash"`
Code string `json:"code"`
Storage map[string]string `json:"storage"`
Balance string `json:"balance"`
Nonce uint64 `json:"nonce"`
Root string `json:"root"`
CodeHash string `json:"codeHash"`
Code string `json:"code,omitempty"`
Storage map[common.Hash]string `json:"storage,omitempty"`
Address *common.Address `json:"address,omitempty"` // Address only present in iterative (line-by-line) mode
SecureKey hexutil.Bytes `json:"key,omitempty"` // If we don't have address, we can output the key
}
// Dump represents the full dump in a collected format, as one large map
type Dump struct {
Root string `json:"root"`
Accounts map[string]DumpAccount `json:"accounts"`
Root string `json:"root"`
Accounts map[common.Address]DumpAccount `json:"accounts"`
}
func (self *StateDB) RawDump() Dump {
dump := Dump{
Root: fmt.Sprintf("%x", self.trie.Hash()),
Accounts: make(map[string]DumpAccount),
}
// iterativeDump is a 'collector'-implementation which dump output line-by-line iteratively
type iterativeDump json.Encoder
// Collector interface which the state trie calls during iteration
type collector interface {
onRoot(common.Hash)
onAccount(common.Address, DumpAccount)
}
func (self *Dump) onRoot(root common.Hash) {
self.Root = fmt.Sprintf("%x", root)
}
func (self *Dump) onAccount(addr common.Address, account DumpAccount) {
self.Accounts[addr] = account
}
func (self iterativeDump) onAccount(addr common.Address, account DumpAccount) {
dumpAccount := &DumpAccount{
Balance: account.Balance,
Nonce: account.Nonce,
Root: account.Root,
CodeHash: account.CodeHash,
Code: account.Code,
Storage: account.Storage,
SecureKey: account.SecureKey,
Address: nil,
}
if addr != (common.Address{}) {
dumpAccount.Address = &addr
}
(*json.Encoder)(&self).Encode(dumpAccount)
}
func (self iterativeDump) onRoot(root common.Hash) {
(*json.Encoder)(&self).Encode(struct {
Root common.Hash `json:"root"`
}{root})
}
func (self *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissingPreimages bool) {
emptyAddress := (common.Address{})
missingPreimages := 0
c.onRoot(self.trie.Hash())
it := trie.NewIterator(self.trie.NodeIterator(nil))
for it.Next() {
addr := self.trie.GetKey(it.Key)
var data Account
if err := rlp.DecodeBytes(it.Value, &data); err != nil {
panic(err)
}
obj := newObject(nil, common.BytesToAddress(addr), data)
addr := common.BytesToAddress(self.trie.GetKey(it.Key))
obj := newObject(nil, addr, data)
account := DumpAccount{
Balance: data.Balance.String(),
Nonce: data.Nonce,
Root: common.Bytes2Hex(data.Root[:]),
CodeHash: common.Bytes2Hex(data.CodeHash),
Code: common.Bytes2Hex(obj.Code(self.db)),
Storage: make(map[string]string),
}
storageIt := trie.NewIterator(obj.getTrie(self.db).NodeIterator(nil))
for storageIt.Next() {
account.Storage[common.Bytes2Hex(self.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(storageIt.Value)
if emptyAddress == addr {
// Preimage missing
missingPreimages++
if excludeMissingPreimages {
continue
}
account.SecureKey = it.Key
}
dump.Accounts[common.Bytes2Hex(addr)] = account
if !excludeCode {
account.Code = common.Bytes2Hex(obj.Code(self.db))
}
if !excludeStorage {
account.Storage = make(map[common.Hash]string)
storageIt := trie.NewIterator(obj.getTrie(self.db).NodeIterator(nil))
for storageIt.Next() {
account.Storage[common.BytesToHash(self.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(storageIt.Value)
}
}
c.onAccount(addr, account)
}
if missingPreimages > 0 {
log.Warn("Dump incomplete due to missing preimages", "missing", missingPreimages)
}
return dump
}
func (self *StateDB) Dump() []byte {
json, err := json.MarshalIndent(self.RawDump(), "", " ")
// RawDump returns the entire state an a single large object
func (self *StateDB) RawDump(excludeCode, excludeStorage, excludeMissingPreimages bool) Dump {
dump := &Dump{
Accounts: make(map[common.Address]DumpAccount),
}
self.dump(dump, excludeCode, excludeStorage, excludeMissingPreimages)
return *dump
}
// Dump returns a JSON string representing the entire state as a single json-object
func (self *StateDB) Dump(excludeCode, excludeStorage, excludeMissingPreimages bool) []byte {
dump := self.RawDump(excludeCode, excludeStorage, excludeMissingPreimages)
json, err := json.MarshalIndent(dump, "", " ")
if err != nil {
fmt.Println("dump err", err)
}
return json
}
// IterativeDump dumps out accounts as json-objects, delimited by linebreaks on stdout
func (self *StateDB) IterativeDump(excludeCode, excludeStorage, excludeMissingPreimages bool, output *json.Encoder) {
self.dump(iterativeDump(*output), excludeCode, excludeStorage, excludeMissingPreimages)
}

143
core/state/managed_state.go
View file

@ -1,143 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package state
import (
"sync"
"github.com/ethereum/go-ethereum/common"
)
type account struct {
stateObject *stateObject
nstart uint64
nonces []bool
}
type ManagedState struct {
*StateDB
mu sync.RWMutex
accounts map[common.Address]*account
}
// ManagedState returns a new managed state with the statedb as it's backing layer
func ManageState(statedb *StateDB) *ManagedState {
return &ManagedState{
StateDB: statedb.Copy(),
accounts: make(map[common.Address]*account),
}
}
// SetState sets the backing layer of the managed state
func (ms *ManagedState) SetState(statedb *StateDB) {
ms.mu.Lock()
defer ms.mu.Unlock()
ms.StateDB = statedb
}
// RemoveNonce removed the nonce from the managed state and all future pending nonces
func (ms *ManagedState) RemoveNonce(addr common.Address, n uint64) {
if ms.hasAccount(addr) {
ms.mu.Lock()
defer ms.mu.Unlock()
account := ms.getAccount(addr)
if n-account.nstart <= uint64(len(account.nonces)) {
reslice := make([]bool, n-account.nstart)
copy(reslice, account.nonces[:n-account.nstart])
account.nonces = reslice
}
}
}
// NewNonce returns the new canonical nonce for the managed account
func (ms *ManagedState) NewNonce(addr common.Address) uint64 {
ms.mu.Lock()
defer ms.mu.Unlock()
account := ms.getAccount(addr)
for i, nonce := range account.nonces {
if !nonce {
return account.nstart + uint64(i)
}
}
account.nonces = append(account.nonces, true)
return uint64(len(account.nonces)-1) + account.nstart
}
// GetNonce returns the canonical nonce for the managed or unmanaged account.
//
// Because GetNonce mutates the DB, we must take a write lock.
func (ms *ManagedState) GetNonce(addr common.Address) uint64 {
ms.mu.Lock()
defer ms.mu.Unlock()
if ms.hasAccount(addr) {
account := ms.getAccount(addr)
return uint64(len(account.nonces)) + account.nstart
} else {
return ms.StateDB.GetNonce(addr)
}
}
// SetNonce sets the new canonical nonce for the managed state
func (ms *ManagedState) SetNonce(addr common.Address, nonce uint64) {
ms.mu.Lock()
defer ms.mu.Unlock()
so := ms.GetOrNewStateObject(addr)
so.SetNonce(nonce)
ms.accounts[addr] = newAccount(so)
}
// HasAccount returns whether the given address is managed or not
func (ms *ManagedState) HasAccount(addr common.Address) bool {
ms.mu.RLock()
defer ms.mu.RUnlock()
return ms.hasAccount(addr)
}
func (ms *ManagedState) hasAccount(addr common.Address) bool {
_, ok := ms.accounts[addr]
return ok
}
// populate the managed state
func (ms *ManagedState) getAccount(addr common.Address) *account {
if account, ok := ms.accounts[addr]; !ok {
so := ms.GetOrNewStateObject(addr)
ms.accounts[addr] = newAccount(so)
} else {
// Always make sure the state account nonce isn't actually higher
// than the tracked one.
so := ms.StateDB.getStateObject(addr)
if so != nil && uint64(len(account.nonces))+account.nstart < so.Nonce() {
ms.accounts[addr] = newAccount(so)
}
}
return ms.accounts[addr]
}
func newAccount(so *stateObject) *account {
return &account{so, so.Nonce(), nil}
}

123
core/state/managed_state_test.go
View file

@ -1,123 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package state
import (
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/rawdb"
)
var addr = common.BytesToAddress([]byte("test"))
func create() (*ManagedState, *account) {
statedb, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()))
ms := ManageState(statedb)
ms.StateDB.SetNonce(addr, 100)
ms.accounts[addr] = newAccount(ms.StateDB.getStateObject(addr))
return ms, ms.accounts[addr]
}
func TestNewNonce(t *testing.T) {
ms, _ := create()
nonce := ms.NewNonce(addr)
if nonce != 100 {
t.Error("expected nonce 100. got", nonce)
}
nonce = ms.NewNonce(addr)
if nonce != 101 {
t.Error("expected nonce 101. got", nonce)
}
}
func TestRemove(t *testing.T) {
ms, account := create()
nn := make([]bool, 10)
for i := range nn {
nn[i] = true
}
account.nonces = append(account.nonces, nn...)
i := uint64(5)
ms.RemoveNonce(addr, account.nstart+i)
if len(account.nonces) != 5 {
t.Error("expected", i, "'th index to be false")
}
}
func TestReuse(t *testing.T) {
ms, account := create()
nn := make([]bool, 10)
for i := range nn {
nn[i] = true
}
account.nonces = append(account.nonces, nn...)
i := uint64(5)
ms.RemoveNonce(addr, account.nstart+i)
nonce := ms.NewNonce(addr)
if nonce != 105 {
t.Error("expected nonce to be 105. got", nonce)
}
}
func TestRemoteNonceChange(t *testing.T) {
ms, account := create()
nn := make([]bool, 10)
for i := range nn {
nn[i] = true
}
account.nonces = append(account.nonces, nn...)
ms.NewNonce(addr)
ms.StateDB.stateObjects[addr].data.Nonce = 200
nonce := ms.NewNonce(addr)
if nonce != 200 {
t.Error("expected nonce after remote update to be", 200, "got", nonce)
}
ms.NewNonce(addr)
ms.NewNonce(addr)
ms.NewNonce(addr)
ms.StateDB.stateObjects[addr].data.Nonce = 200
nonce = ms.NewNonce(addr)
if nonce != 204 {
t.Error("expected nonce after remote update to be", 204, "got", nonce)
}
}
func TestSetNonce(t *testing.T) {
ms, _ := create()
var addr common.Address
ms.SetNonce(addr, 10)
if ms.GetNonce(addr) != 10 {
t.Error("Expected nonce of 10, got", ms.GetNonce(addr))
}
addr[0] = 1
ms.StateDB.SetNonce(addr, 1)
if ms.GetNonce(addr) != 1 {
t.Error("Expected nonce of 1, got", ms.GetNonce(addr))
}
}

19
core/state/state_test.go
View file

@ -52,33 +52,28 @@ func (s *StateSuite) TestDump(c *checker.C) {
s.state.Commit(false)
// check that dump contains the state objects that are in trie
got := string(s.state.Dump())
got := string(s.state.Dump(false, false, true))
want := `{
"root": "71edff0130dd2385947095001c73d9e28d862fc286fca2b922ca6f6f3cddfdd2",
"accounts": {
"0000000000000000000000000000000000000001": {
"0x0000000000000000000000000000000000000001": {
"balance": "22",
"nonce": 0,
"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
"code": "",
"storage": {}
"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
},
"0000000000000000000000000000000000000002": {
"0x0000000000000000000000000000000000000002": {
"balance": "44",
"nonce": 0,
"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
"code": "",
"storage": {}
"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
},
"0000000000000000000000000000000000000102": {
"0x0000000000000000000000000000000000000102": {
"balance": "0",
"nonce": 0,
"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"codeHash": "87874902497a5bb968da31a2998d8f22e949d1ef6214bcdedd8bae24cca4b9e3",
"code": "03030303030303",
"storage": {}
"code": "03030303030303"
}
}
}`

2
core/state/statedb_test.go
View file

@ -296,7 +296,7 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction {
if !action.noAddr {
nameargs = append(nameargs, addr.Hex())
}
for _, i := range action.args {
for i := range action.args {
action.args[i] = rand.Int63n(100)
nameargs = append(nameargs, fmt.Sprint(action.args[i]))
}

4
core/tx_list.go
View file

@ -418,9 +418,9 @@ func (l *txPricedList) Put(tx *types.Transaction) {
// Removed notifies the prices transaction list that an old transaction dropped
// from the pool. The list will just keep a counter of stale objects and update
// the heap if a large enough ratio of transactions go stale.
func (l *txPricedList) Removed() {
func (l *txPricedList) Removed(count int) {
// Bump the stale counter, but exit if still too low (< 25%)
l.stales++
l.stales += count
if l.stales <= len(*l.items)/4 {
return
}

53
core/tx_noncer.go Normal file
View file

@ -0,0 +1,53 @@
// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package core
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
)
// txNoncer is a tiny virtual state database to manage the executable nonces of
// accounts in the pool, falling back to reading from a real state database if
// an account is unknown.
type txNoncer struct {
fallback *state.StateDB
nonces map[common.Address]uint64
}
// newTxNoncer creates a new virtual state database to track the pool nonces.
func newTxNoncer(statedb *state.StateDB) *txNoncer {
return &txNoncer{
fallback: statedb.Copy(),
nonces: make(map[common.Address]uint64),
}
}
// get returns the current nonce of an account, falling back to a real state
// database if the account is unknown.
func (txn *txNoncer) get(addr common.Address) uint64 {
if _, ok := txn.nonces[addr]; !ok {
txn.nonces[addr] = txn.fallback.GetNonce(addr)
}
return txn.nonces[addr]
}
// set inserts a new virtual nonce into the virtual state database to be returned
// whenever the pool requests it instead of reaching into the real state database.
func (txn *txNoncer) set(addr common.Address, nonce uint64) {
txn.nonces[addr] = nonce
}

973
core/tx_pool.go
View file

File diff suppressed because it is too large Load diff

173
core/tx_pool_test.go
View file

@ -109,7 +109,7 @@ func validateTxPoolInternals(pool *TxPool) error {
last = nonce
}
}
if nonce := pool.pendingState.GetNonce(addr); nonce != last+1 {
if nonce := pool.Nonce(addr); nonce != last+1 {
return fmt.Errorf("pending nonce mismatch: have %v, want %v", nonce, last+1)
}
}
@ -195,28 +195,27 @@ func TestStateChangeDuringTransactionPoolReset(t *testing.T) {
pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
defer pool.Stop()
nonce := pool.State().GetNonce(address)
nonce := pool.Nonce(address)
if nonce != 0 {
t.Fatalf("Invalid nonce, want 0, got %d", nonce)
}
pool.AddRemotes(types.Transactions{tx0, tx1})
pool.addRemotesSync([]*types.Transaction{tx0, tx1})
nonce = pool.State().GetNonce(address)
nonce = pool.Nonce(address)
if nonce != 2 {
t.Fatalf("Invalid nonce, want 2, got %d", nonce)
}
// trigger state change in the background
trigger = true
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
_, err := pool.Pending()
if err != nil {
t.Fatalf("Could not fetch pending transactions: %v", err)
}
nonce = pool.State().GetNonce(address)
nonce = pool.Nonce(address)
if nonce != 2 {
t.Fatalf("Invalid nonce, want 2, got %d", nonce)
}
@ -268,10 +267,10 @@ func TestTransactionQueue(t *testing.T) {
tx := transaction(0, 100, key)
from, _ := deriveSender(tx)
pool.currentState.AddBalance(from, big.NewInt(1000))
pool.lockedReset(nil, nil)
pool.enqueueTx(tx.Hash(), tx)
<-pool.requestReset(nil, nil)
pool.promoteExecutables([]common.Address{from})
pool.enqueueTx(tx.Hash(), tx)
<-pool.requestPromoteExecutables(newAccountSet(pool.signer, from))
if len(pool.pending) != 1 {
t.Error("expected valid txs to be 1 is", len(pool.pending))
}
@ -280,33 +279,36 @@ func TestTransactionQueue(t *testing.T) {
from, _ = deriveSender(tx)
pool.currentState.SetNonce(from, 2)
pool.enqueueTx(tx.Hash(), tx)
pool.promoteExecutables([]common.Address{from})
<-pool.requestPromoteExecutables(newAccountSet(pool.signer, from))
if _, ok := pool.pending[from].txs.items[tx.Nonce()]; ok {
t.Error("expected transaction to be in tx pool")
}
if len(pool.queue) > 0 {
t.Error("expected transaction queue to be empty. is", len(pool.queue))
}
}
pool, key = setupTxPool()
func TestTransactionQueue2(t *testing.T) {
t.Parallel()
pool, key := setupTxPool()
defer pool.Stop()
tx1 := transaction(0, 100, key)
tx2 := transaction(10, 100, key)
tx3 := transaction(11, 100, key)
from, _ = deriveSender(tx1)
from, _ := deriveSender(tx1)
pool.currentState.AddBalance(from, big.NewInt(1000))
pool.lockedReset(nil, nil)
pool.reset(nil, nil)
pool.enqueueTx(tx1.Hash(), tx1)
pool.enqueueTx(tx2.Hash(), tx2)
pool.enqueueTx(tx3.Hash(), tx3)
pool.promoteExecutables([]common.Address{from})
if len(pool.pending) != 1 {
t.Error("expected tx pool to be 1, got", len(pool.pending))
t.Error("expected pending length to be 1, got", len(pool.pending))
}
if pool.queue[from].Len() != 2 {
t.Error("expected len(queue) == 2, got", pool.queue[from].Len())
@ -339,7 +341,7 @@ func TestTransactionChainFork(t *testing.T) {
statedb.AddBalance(addr, big.NewInt(100000000000000))
pool.chain = &testBlockChain{statedb, 1000000, new(event.Feed)}
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
}
resetState()
@ -368,7 +370,7 @@ func TestTransactionDoubleNonce(t *testing.T) {
statedb.AddBalance(addr, big.NewInt(100000000000000))
pool.chain = &testBlockChain{statedb, 1000000, new(event.Feed)}
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
}
resetState()
@ -384,16 +386,17 @@ func TestTransactionDoubleNonce(t *testing.T) {
if replace, err := pool.add(tx2, false); err != nil || !replace {
t.Errorf("second transaction insert failed (%v) or not reported replacement (%v)", err, replace)
}
pool.promoteExecutables([]common.Address{addr})
<-pool.requestPromoteExecutables(newAccountSet(signer, addr))
if pool.pending[addr].Len() != 1 {
t.Error("expected 1 pending transactions, got", pool.pending[addr].Len())
}
if tx := pool.pending[addr].txs.items[0]; tx.Hash() != tx2.Hash() {
t.Errorf("transaction mismatch: have %x, want %x", tx.Hash(), tx2.Hash())
}
// Add the third transaction and ensure it's not saved (smaller price)
pool.add(tx3, false)
pool.promoteExecutables([]common.Address{addr})
<-pool.requestPromoteExecutables(newAccountSet(signer, addr))
if pool.pending[addr].Len() != 1 {
t.Error("expected 1 pending transactions, got", pool.pending[addr].Len())
}
@ -439,7 +442,7 @@ func TestTransactionNonceRecovery(t *testing.T) {
addr := crypto.PubkeyToAddress(key.PublicKey)
pool.currentState.SetNonce(addr, n)
pool.currentState.AddBalance(addr, big.NewInt(100000000000000))
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
tx := transaction(n, 100000, key)
if err := pool.AddRemote(tx); err != nil {
@ -447,8 +450,8 @@ func TestTransactionNonceRecovery(t *testing.T) {
}
// simulate some weird re-order of transactions and missing nonce(s)
pool.currentState.SetNonce(addr, n-1)
pool.lockedReset(nil, nil)
if fn := pool.pendingState.GetNonce(addr); fn != n-1 {
<-pool.requestReset(nil, nil)
if fn := pool.Nonce(addr); fn != n-1 {
t.Errorf("expected nonce to be %d, got %d", n-1, fn)
}
}
@ -491,7 +494,7 @@ func TestTransactionDropping(t *testing.T) {
if pool.all.Count() != 6 {
t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), 6)
}
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
if pool.pending[account].Len() != 3 {
t.Errorf("pending transaction mismatch: have %d, want %d", pool.pending[account].Len(), 3)
}
@ -503,7 +506,7 @@ func TestTransactionDropping(t *testing.T) {
}
// Reduce the balance of the account, and check that invalidated transactions are dropped
pool.currentState.AddBalance(account, big.NewInt(-650))
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
if _, ok := pool.pending[account].txs.items[tx0.Nonce()]; !ok {
t.Errorf("funded pending transaction missing: %v", tx0)
@ -528,7 +531,7 @@ func TestTransactionDropping(t *testing.T) {
}
// Reduce the block gas limit, check that invalidated transactions are dropped
pool.chain.(*testBlockChain).gasLimit = 100
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
if _, ok := pool.pending[account].txs.items[tx0.Nonce()]; !ok {
t.Errorf("funded pending transaction missing: %v", tx0)
@ -584,7 +587,7 @@ func TestTransactionPostponing(t *testing.T) {
txs = append(txs, tx)
}
}
for i, err := range pool.AddRemotes(txs) {
for i, err := range pool.addRemotesSync(txs) {
if err != nil {
t.Fatalf("tx %d: failed to add transactions: %v", i, err)
}
@ -599,7 +602,7 @@ func TestTransactionPostponing(t *testing.T) {
if pool.all.Count() != len(txs) {
t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), len(txs))
}
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
if pending := pool.pending[accs[0]].Len() + pool.pending[accs[1]].Len(); pending != len(txs) {
t.Errorf("pending transaction mismatch: have %d, want %d", pending, len(txs))
}
@ -613,7 +616,7 @@ func TestTransactionPostponing(t *testing.T) {
for _, addr := range accs {
pool.currentState.AddBalance(addr, big.NewInt(-1))
}
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
// The first account's first transaction remains valid, check that subsequent
// ones are either filtered out, or queued up for later.
@ -680,12 +683,10 @@ func TestTransactionGapFilling(t *testing.T) {
defer sub.Unsubscribe()
// Create a pending and a queued transaction with a nonce-gap in between
if err := pool.AddRemote(transaction(0, 100000, key)); err != nil {
t.Fatalf("failed to add pending transaction: %v", err)
}
if err := pool.AddRemote(transaction(2, 100000, key)); err != nil {
t.Fatalf("failed to add queued transaction: %v", err)
}
pool.addRemotesSync([]*types.Transaction{
transaction(0, 100000, key),
transaction(2, 100000, key),
})
pending, queued := pool.Stats()
if pending != 1 {
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 1)
@ -700,7 +701,7 @@ func TestTransactionGapFilling(t *testing.T) {
t.Fatalf("pool internal state corrupted: %v", err)
}
// Fill the nonce gap and ensure all transactions become pending
if err := pool.AddRemote(transaction(1, 100000, key)); err != nil {
if err := pool.addRemoteSync(transaction(1, 100000, key)); err != nil {
t.Fatalf("failed to add gapped transaction: %v", err)
}
pending, queued = pool.Stats()
@ -732,7 +733,7 @@ func TestTransactionQueueAccountLimiting(t *testing.T) {
// Keep queuing up transactions and make sure all above a limit are dropped
for i := uint64(1); i <= testTxPoolConfig.AccountQueue+5; i++ {
if err := pool.AddRemote(transaction(i, 100000, key)); err != nil {
if err := pool.addRemoteSync(transaction(i, 100000, key)); err != nil {
t.Fatalf("tx %d: failed to add transaction: %v", i, err)
}
if len(pool.pending) != 0 {
@ -799,7 +800,7 @@ func testTransactionQueueGlobalLimiting(t *testing.T, nolocals bool) {
nonces[addr]++
}
// Import the batch and verify that limits have been enforced
pool.AddRemotes(txs)
pool.addRemotesSync(txs)
queued := 0
for addr, list := range pool.queue {
@ -932,7 +933,7 @@ func TestTransactionPendingLimiting(t *testing.T) {
// Keep queuing up transactions and make sure all above a limit are dropped
for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
if err := pool.AddRemote(transaction(i, 100000, key)); err != nil {
if err := pool.addRemoteSync(transaction(i, 100000, key)); err != nil {
t.Fatalf("tx %d: failed to add transaction: %v", i, err)
}
if pool.pending[account].Len() != int(i)+1 {
@ -953,57 +954,6 @@ func TestTransactionPendingLimiting(t *testing.T) {
}
}
// Tests that the transaction limits are enforced the same way irrelevant whether
// the transactions are added one by one or in batches.
func TestTransactionQueueLimitingEquivalency(t *testing.T) { testTransactionLimitingEquivalency(t, 1) }
func TestTransactionPendingLimitingEquivalency(t *testing.T) { testTransactionLimitingEquivalency(t, 0) }
func testTransactionLimitingEquivalency(t *testing.T, origin uint64) {
t.Parallel()
// Add a batch of transactions to a pool one by one
pool1, key1 := setupTxPool()
defer pool1.Stop()
account1, _ := deriveSender(transaction(0, 0, key1))
pool1.currentState.AddBalance(account1, big.NewInt(1000000))
for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
if err := pool1.AddRemote(transaction(origin+i, 100000, key1)); err != nil {
t.Fatalf("tx %d: failed to add transaction: %v", i, err)
}
}
// Add a batch of transactions to a pool in one big batch
pool2, key2 := setupTxPool()
defer pool2.Stop()
account2, _ := deriveSender(transaction(0, 0, key2))
pool2.currentState.AddBalance(account2, big.NewInt(1000000))
txs := []*types.Transaction{}
for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
txs = append(txs, transaction(origin+i, 100000, key2))
}
pool2.AddRemotes(txs)
// Ensure the batch optimization honors the same pool mechanics
if len(pool1.pending) != len(pool2.pending) {
t.Errorf("pending transaction count mismatch: one-by-one algo: %d, batch algo: %d", len(pool1.pending), len(pool2.pending))
}
if len(pool1.queue) != len(pool2.queue) {
t.Errorf("queued transaction count mismatch: one-by-one algo: %d, batch algo: %d", len(pool1.queue), len(pool2.queue))
}
if pool1.all.Count() != pool2.all.Count() {
t.Errorf("total transaction count mismatch: one-by-one algo %d, batch algo %d", pool1.all.Count(), pool2.all.Count())
}
if err := validateTxPoolInternals(pool1); err != nil {
t.Errorf("pool 1 internal state corrupted: %v", err)
}
if err := validateTxPoolInternals(pool2); err != nil {
t.Errorf("pool 2 internal state corrupted: %v", err)
}
}
// Tests that if the transaction count belonging to multiple accounts go above
// some hard threshold, the higher transactions are dropped to prevent DOS
// attacks.
@ -1038,7 +988,7 @@ func TestTransactionPendingGlobalLimiting(t *testing.T) {
}
}
// Import the batch and verify that limits have been enforced
pool.AddRemotes(txs)
pool.addRemotesSync(txs)
pending := 0
for _, list := range pool.pending {
@ -1118,7 +1068,7 @@ func TestTransactionPendingMinimumAllowance(t *testing.T) {
}
}
// Import the batch and verify that limits have been enforced
pool.AddRemotes(txs)
pool.addRemotesSync(txs)
for addr, list := range pool.pending {
if list.Len() != int(config.AccountSlots) {
@ -1174,7 +1124,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
ltx := pricedTransaction(0, 100000, big.NewInt(1), keys[3])
// Import the batch and that both pending and queued transactions match up
pool.AddRemotes(txs)
pool.addRemotesSync(txs)
pool.AddLocal(ltx)
pending, queued := pool.Stats()
@ -1454,7 +1404,7 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
for i := uint64(0); i < config.GlobalSlots; i++ {
txs = append(txs, pricedTransaction(i, 100000, big.NewInt(1), keys[0]))
}
pool.AddRemotes(txs)
pool.addRemotesSync(txs)
pending, queued := pool.Stats()
if pending != int(config.GlobalSlots) {
@ -1470,7 +1420,7 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
t.Fatalf("pool internal state corrupted: %v", err)
}
// Ensure that adding high priced transactions drops a cheap, but doesn't produce a gap
if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(3), keys[1])); err != nil {
if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(3), keys[1])); err != nil {
t.Fatalf("failed to add well priced transaction: %v", err)
}
pending, queued = pool.Stats()
@ -1513,7 +1463,7 @@ func TestTransactionReplacement(t *testing.T) {
price := int64(100)
threshold := (price * (100 + int64(testTxPoolConfig.PriceBump))) / 100
if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(1), key)); err != nil {
if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(1), key)); err != nil {
t.Fatalf("failed to add original cheap pending transaction: %v", err)
}
if err := pool.AddRemote(pricedTransaction(0, 100001, big.NewInt(1), key)); err != ErrReplaceUnderpriced {
@ -1526,7 +1476,7 @@ func TestTransactionReplacement(t *testing.T) {
t.Fatalf("cheap replacement event firing failed: %v", err)
}
if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(price), key)); err != nil {
if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(price), key)); err != nil {
t.Fatalf("failed to add original proper pending transaction: %v", err)
}
if err := pool.AddRemote(pricedTransaction(0, 100001, big.NewInt(threshold-1), key)); err != ErrReplaceUnderpriced {
@ -1538,6 +1488,7 @@ func TestTransactionReplacement(t *testing.T) {
if err := validateEvents(events, 2); err != nil {
t.Fatalf("proper replacement event firing failed: %v", err)
}
// Add queued transactions, ensuring the minimum price bump is enforced for replacement (for ultra low prices too)
if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(1), key)); err != nil {
t.Fatalf("failed to add original cheap queued transaction: %v", err)
@ -1615,7 +1566,7 @@ func testTransactionJournaling(t *testing.T, nolocals bool) {
if err := pool.AddLocal(pricedTransaction(2, 100000, big.NewInt(1), local)); err != nil {
t.Fatalf("failed to add local transaction: %v", err)
}
if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(1), remote)); err != nil {
if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(1), remote)); err != nil {
t.Fatalf("failed to add remote transaction: %v", err)
}
pending, queued := pool.Stats()
@ -1653,7 +1604,7 @@ func testTransactionJournaling(t *testing.T, nolocals bool) {
}
// Bump the nonce temporarily and ensure the newly invalidated transaction is removed
statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 2)
pool.lockedReset(nil, nil)
<-pool.requestReset(nil, nil)
time.Sleep(2 * config.Rejournal)
pool.Stop()
@ -1707,7 +1658,7 @@ func TestTransactionStatusCheck(t *testing.T) {
txs = append(txs, pricedTransaction(2, 100000, big.NewInt(1), keys[2])) // Queued only
// Import the transaction and ensure they are correctly added
pool.AddRemotes(txs)
pool.addRemotesSync(txs)
pending, queued := pool.Stats()
if pending != 2 {
@ -1786,26 +1737,6 @@ func benchmarkFuturePromotion(b *testing.B, size int) {
}
}
// Benchmarks the speed of iterative transaction insertion.
func BenchmarkPoolInsert(b *testing.B) {
// Generate a batch of transactions to enqueue into the pool
pool, key := setupTxPool()
defer pool.Stop()
account, _ := deriveSender(transaction(0, 0, key))
pool.currentState.AddBalance(account, big.NewInt(1000000))
txs := make(types.Transactions, b.N)
for i := 0; i < b.N; i++ {
txs[i] = transaction(uint64(i), 100000, key)
}
// Benchmark importing the transactions into the queue
b.ResetTimer()
for _, tx := range txs {
pool.AddRemote(tx)
}
}
// Benchmarks the speed of batched transaction insertion.
func BenchmarkPoolBatchInsert100(b *testing.B) { benchmarkPoolBatchInsert(b, 100) }
func BenchmarkPoolBatchInsert1000(b *testing.B) { benchmarkPoolBatchInsert(b, 1000) }

26
core/types/block.go
View file

@ -19,6 +19,7 @@ package types
import (
"encoding/binary"
"fmt"
"io"
"math/big"
"reflect"
@ -110,6 +111,25 @@ func (h *Header) Size() common.StorageSize {
return headerSize + common.StorageSize(len(h.Extra)+(h.Difficulty.BitLen()+h.Number.BitLen())/8)
}
// SanityCheck checks a few basic things -- these checks are way beyond what
// any 'sane' production values should hold, and can mainly be used to prevent
// that the unbounded fields are stuffed with junk data to add processing
// overhead
func (h *Header) SanityCheck() error {
if h.Number != nil && !h.Number.IsUint64() {
return fmt.Errorf("too large block number: bitlen %d", h.Number.BitLen())
}
if h.Difficulty != nil {
if diffLen := h.Difficulty.BitLen(); diffLen > 80 {
return fmt.Errorf("too large block difficulty: bitlen %d", diffLen)
}
}
if eLen := len(h.Extra); eLen > 100*1024 {
return fmt.Errorf("too large block extradata: size %d", eLen)
}
return nil
}
func rlpHash(x interface{}) (h common.Hash) {
hw := sha3.NewLegacyKeccak256()
rlp.Encode(hw, x)
@ -316,6 +336,12 @@ func (b *Block) Size() common.StorageSize {
return common.StorageSize(c)
}
// SanityCheck can be used to prevent that unbounded fields are
// stuffed with junk data to add processing overhead
func (b *Block) SanityCheck() error {
return b.header.SanityCheck()
}
type writeCounter common.StorageSize
func (c *writeCounter) Write(b []byte) (int, error) {

4
core/types/transaction.go
View file

@ -252,7 +252,9 @@ func (tx *Transaction) Cost() *big.Int {
return total
}
func (tx *Transaction) RawSignatureValues() (*big.Int, *big.Int, *big.Int) {
// RawSignatureValues returns the V, R, S signature values of the transaction.
// The return values should not be modified by the caller.
func (tx *Transaction) RawSignatureValues() (v, r, s *big.Int) {
return tx.data.V, tx.data.R, tx.data.S
}

5
core/vm/evm.go
View file

@ -169,6 +169,11 @@ func (evm *EVM) Cancel() {
atomic.StoreInt32(&evm.abort, 1)
}
// Cancelled returns true if Cancel has been called
func (evm *EVM) Cancelled() bool {
return atomic.LoadInt32(&evm.abort) == 1
}
// Interpreter returns the current interpreter
func (evm *EVM) Interpreter() Interpreter {
return evm.interpreter

4824
dashboard/assets.go
View file

File diff suppressed because one or more lines are too long

1795
dashboard/assets/yarn.lock
View file

File diff suppressed because it is too large Load diff

4
eth/api.go
View file

@ -266,7 +266,7 @@ func (api *PublicDebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error
// both the pending block as well as the pending state from
// the miner and operate on those
_, stateDb := api.eth.miner.Pending()
return stateDb.RawDump(), nil
return stateDb.RawDump(false, false, true), nil
}
var block *types.Block
if blockNr == rpc.LatestBlockNumber {
@ -281,7 +281,7 @@ func (api *PublicDebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error
if err != nil {
return state.Dump{}, err
}
return stateDb.RawDump(), nil
return stateDb.RawDump(false, false, true), nil
}
// PrivateDebugAPI is the collection of Ethereum full node APIs exposed over

2
eth/api_backend.go
View file

@ -185,7 +185,7 @@ func (b *EthAPIBackend) GetTransaction(ctx context.Context, txHash common.Hash)
}
func (b *EthAPIBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) {
return b.eth.txPool.State().GetNonce(addr), nil
return b.eth.txPool.Nonce(addr), nil
}
func (b *EthAPIBackend) Stats() (pending int, queued int) {

44
eth/backend.go
View file

@ -26,6 +26,7 @@ import (
"sync/atomic"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus"
@ -47,6 +48,7 @@ import (
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enr"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
@ -58,6 +60,7 @@ type LesServer interface {
APIs() []rpc.API
Protocols() []p2p.Protocol
SetBloomBitsIndexer(bbIndexer *core.ChainIndexer)
SetContractBackend(bind.ContractBackend)
}
// Ethereum implements the Ethereum full node service.
@ -65,7 +68,9 @@ type Ethereum struct {
config *Config
// Channel for shutting down the service
shutdownChan chan bool // Channel for shutting down the Ethereum
shutdownChan chan bool
server *p2p.Server
// Handlers
txPool *core.TxPool
@ -100,6 +105,14 @@ func (s *Ethereum) AddLesServer(ls LesServer) {
ls.SetBloomBitsIndexer(s.bloomIndexer)
}
// SetClient sets a rpc client which connecting to our local node.
func (s *Ethereum) SetContractBackend(backend bind.ContractBackend) {
// Pass the rpc client to les server if it is enabled.
if s.lesServer != nil {
s.lesServer.SetContractBackend(backend)
}
}
// New creates a new Ethereum object (including the
// initialisation of the common Ethereum object)
func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
@ -125,7 +138,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
if err != nil {
return nil, err
}
chainConfig, genesisHash, genesisErr := core.SetupGenesisBlockWithOverride(chainDb, config.Genesis, config.ConstantinopleOverride)
chainConfig, genesisHash, genesisErr := core.SetupGenesisBlock(chainDb, config.Genesis)
if _, ok := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !ok {
return nil, genesisErr
}
@ -205,7 +218,11 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
// Permit the downloader to use the trie cache allowance during fast sync
cacheLimit := cacheConfig.TrieCleanLimit + cacheConfig.TrieDirtyLimit
if eth.protocolManager, err = NewProtocolManager(chainConfig, config.SyncMode, config.NetworkId, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb, cacheLimit, config.Whitelist); err != nil {
checkpoint := config.Checkpoint
if checkpoint == nil {
checkpoint = params.TrustedCheckpoints[genesisHash]
}
if eth.protocolManager, err = NewProtocolManager(chainConfig, checkpoint, config.SyncMode, config.NetworkId, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb, cacheLimit, config.Whitelist); err != nil {
return nil, err
}
eth.miner = miner.New(eth, &config.Miner, chainConfig, eth.EventMux(), eth.engine, eth.isLocalBlock)
@ -280,6 +297,11 @@ func (s *Ethereum) APIs() []rpc.API {
// Append any APIs exposed explicitly by the consensus engine
apis = append(apis, s.engine.APIs(s.BlockChain())...)
// Append any APIs exposed explicitly by the les server
if s.lesServer != nil {
apis = append(apis, s.lesServer.APIs()...)
}
// Append all the local APIs and return
return append(apis, []rpc.API{
{
@ -497,23 +519,31 @@ func (s *Ethereum) EventMux() *event.TypeMux { return s.eventMux }
func (s *Ethereum) Engine() consensus.Engine { return s.engine }
func (s *Ethereum) ChainDb() ethdb.Database { return s.chainDb }
func (s *Ethereum) IsListening() bool { return true } // Always listening
func (s *Ethereum) EthVersion() int { return int(s.protocolManager.SubProtocols[0].Version) }
func (s *Ethereum) EthVersion() int { return int(ProtocolVersions[0]) }
func (s *Ethereum) NetVersion() uint64 { return s.networkID }
func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolManager.downloader }
func (s *Ethereum) Synced() bool { return atomic.LoadUint32(&s.protocolManager.acceptTxs) == 1 }
func (s *Ethereum) ArchiveMode() bool { return s.config.NoPruning }
// Protocols implements node.Service, returning all the currently configured
// network protocols to start.
func (s *Ethereum) Protocols() []p2p.Protocol {
if s.lesServer == nil {
return s.protocolManager.SubProtocols
protos := make([]p2p.Protocol, len(ProtocolVersions))
for i, vsn := range ProtocolVersions {
protos[i] = s.protocolManager.makeProtocol(vsn)
protos[i].Attributes = []enr.Entry{s.currentEthEntry()}
}
return append(s.protocolManager.SubProtocols, s.lesServer.Protocols()...)
if s.lesServer != nil {
protos = append(protos, s.lesServer.Protocols()...)
}
return protos
}
// Start implements node.Service, starting all internal goroutines needed by the
// Ethereum protocol implementation.
func (s *Ethereum) Start(srvr *p2p.Server) error {
s.startEthEntryUpdate(srvr.LocalNode())
// Start the bloom bits servicing goroutines
s.startBloomHandlers(params.BloomBitsBlocks)

35
eth/config.go
View file

@ -43,12 +43,13 @@ var DefaultConfig = Config{
DatasetsInMem: 1,
DatasetsOnDisk: 2,
},
NetworkId: 1,
LightPeers: 100,
DatabaseCache: 512,
TrieCleanCache: 256,
TrieDirtyCache: 256,
TrieTimeout: 60 * time.Minute,
NetworkId: 1,
LightPeers: 100,
UltraLightFraction: 75,
DatabaseCache: 512,
TrieCleanCache: 256,
TrieDirtyCache: 256,
TrieTimeout: 60 * time.Minute,
Miner: miner.Config{
GasFloor: 8000000,
GasCeil: 8000000,
@ -101,14 +102,15 @@ type Config struct {
Whitelist map[uint64]common.Hash `toml:"-"`
// Light client options
LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
LightBandwidthIn int `toml:",omitempty"` // Incoming bandwidth limit for light servers
LightBandwidthOut int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
OnlyAnnounce bool // Maximum number of LES client peers
LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
LightIngress int `toml:",omitempty"` // Incoming bandwidth limit for light servers
LightEgress int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
// Ultra Light client options
ULC *ULCConfig `toml:",omitempty"`
UltraLightServers []string `toml:",omitempty"` // List of trusted ultra light servers
UltraLightFraction int `toml:",omitempty"` // Percentage of trusted servers to accept an announcement
UltraLightOnlyAnnounce bool `toml:",omitempty"` // Whether to only announce headers, or also serve them
// Database options
SkipBcVersionCheck bool `toml:"-"`
@ -144,9 +146,12 @@ type Config struct {
// Type of the EVM interpreter ("" for default)
EVMInterpreter string
// Constantinople block override (TODO: remove after the fork)
ConstantinopleOverride *big.Int
// RPCGasCap is the global gas cap for eth-call variants.
RPCGasCap *big.Int `toml:",omitempty"`
// Checkpoint is a hardcoded checkpoint which can be nil.
Checkpoint *params.TrustedCheckpoint
// CheckpointOracle is the configuration for checkpoint oracle.
CheckpointOracle *params.CheckpointOracleConfig
}

4
eth/downloader/statesync.go
View file

@ -442,9 +442,7 @@ func (s *stateSync) process(req *stateReq) (int, error) {
default:
return successful, fmt.Errorf("invalid state node %s: %v", hash.TerminalString(), err)
}
if _, ok := req.tasks[hash]; ok {
delete(req.tasks, hash)
}
delete(req.tasks, hash)
}
// Put unfulfilled tasks back into the retry queue
npeers := s.d.peers.Len()

61
eth/enr_entry.go Normal file
View file

@ -0,0 +1,61 @@
// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package eth
import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/forkid"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/rlp"
)
// ethEntry is the "eth" ENR entry which advertises eth protocol
// on the discovery network.
type ethEntry struct {
ForkID forkid.ID // Fork identifier per EIP-2124
// Ignore additional fields (for forward compatibility).
Rest []rlp.RawValue `rlp:"tail"`
}
// ENRKey implements enr.Entry.
func (e ethEntry) ENRKey() string {
return "eth"
}
func (eth *Ethereum) startEthEntryUpdate(ln *enode.LocalNode) {
var newHead = make(chan core.ChainHeadEvent, 10)
sub := eth.blockchain.SubscribeChainHeadEvent(newHead)
go func() {
defer sub.Unsubscribe()
for {
select {
case <-newHead:
ln.Set(eth.currentEthEntry())
case <-sub.Err():
// Would be nice to sync with eth.Stop, but there is no
// good way to do that.
return
}
}
}()
}
func (eth *Ethereum) currentEthEntry() *ethEntry {
return &ethEntry{ForkID: forkid.NewID(eth.blockchain)}
}

8
eth/fetcher/fetcher.go
View file

@ -685,7 +685,7 @@ func (f *Fetcher) forgetHash(hash common.Hash) {
// Remove all pending announces and decrement DOS counters
for _, announce := range f.announced[hash] {
f.announces[announce.origin]--
if f.announces[announce.origin] == 0 {
if f.announces[announce.origin] <= 0 {
delete(f.announces, announce.origin)
}
}
@ -696,7 +696,7 @@ func (f *Fetcher) forgetHash(hash common.Hash) {
// Remove any pending fetches and decrement the DOS counters
if announce := f.fetching[hash]; announce != nil {
f.announces[announce.origin]--
if f.announces[announce.origin] == 0 {
if f.announces[announce.origin] <= 0 {
delete(f.announces, announce.origin)
}
delete(f.fetching, hash)
@ -705,7 +705,7 @@ func (f *Fetcher) forgetHash(hash common.Hash) {
// Remove any pending completion requests and decrement the DOS counters
for _, announce := range f.fetched[hash] {
f.announces[announce.origin]--
if f.announces[announce.origin] == 0 {
if f.announces[announce.origin] <= 0 {
delete(f.announces, announce.origin)
}
}
@ -714,7 +714,7 @@ func (f *Fetcher) forgetHash(hash common.Hash) {
// Remove any pending completions and decrement the DOS counters
if announce := f.completing[hash]; announce != nil {
f.announces[announce.origin]--
if f.announces[announce.origin] == 0 {
if f.announces[announce.origin] <= 0 {
delete(f.announces, announce.origin)
}
delete(f.completing, hash)

79
eth/gen_config.go
View file

@ -12,6 +12,7 @@ import (
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/gasprice"
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/params"
)
// MarshalTOML marshals as TOML.
@ -24,14 +25,16 @@ func (c Config) MarshalTOML() (interface{}, error) {
NoPrefetch bool
Whitelist map[uint64]common.Hash `toml:"-"`
LightServ int `toml:",omitempty"`
LightBandwidthIn int `toml:",omitempty"`
LightBandwidthOut int `toml:",omitempty"`
LightIngress int `toml:",omitempty"`
LightEgress int `toml:",omitempty"`
LightPeers int `toml:",omitempty"`
OnlyAnnounce bool
ULC *ULCConfig `toml:",omitempty"`
SkipBcVersionCheck bool `toml:"-"`
DatabaseHandles int `toml:"-"`
UltraLightServers []string `toml:",omitempty"`
UltraLightFraction int `toml:",omitempty"`
UltraLightOnlyAnnounce bool `toml:",omitempty"`
SkipBcVersionCheck bool `toml:"-"`
DatabaseHandles int `toml:"-"`
DatabaseCache int
DatabaseFreezer string
TrieCleanCache int
TrieDirtyCache int
TrieTimeout time.Duration
@ -43,8 +46,9 @@ func (c Config) MarshalTOML() (interface{}, error) {
DocRoot string `toml:"-"`
EWASMInterpreter string
EVMInterpreter string
ConstantinopleOverride *big.Int
RPCGasCap *big.Int `toml:",omitempty"`
Checkpoint *params.TrustedCheckpoint
CheckpointOracle *params.CheckpointOracleConfig
}
var enc Config
enc.Genesis = c.Genesis
@ -54,14 +58,16 @@ func (c Config) MarshalTOML() (interface{}, error) {
enc.NoPrefetch = c.NoPrefetch
enc.Whitelist = c.Whitelist
enc.LightServ = c.LightServ
enc.LightBandwidthIn = c.LightBandwidthIn
enc.LightBandwidthOut = c.LightBandwidthOut
enc.LightIngress = c.LightIngress
enc.LightEgress = c.LightEgress
enc.LightPeers = c.LightPeers
enc.OnlyAnnounce = c.OnlyAnnounce
enc.ULC = c.ULC
enc.UltraLightServers = c.UltraLightServers
enc.UltraLightFraction = c.UltraLightFraction
enc.UltraLightOnlyAnnounce = c.UltraLightOnlyAnnounce
enc.SkipBcVersionCheck = c.SkipBcVersionCheck
enc.DatabaseHandles = c.DatabaseHandles
enc.DatabaseCache = c.DatabaseCache
enc.DatabaseFreezer = c.DatabaseFreezer
enc.TrieCleanCache = c.TrieCleanCache
enc.TrieDirtyCache = c.TrieDirtyCache
enc.TrieTimeout = c.TrieTimeout
@ -73,8 +79,9 @@ func (c Config) MarshalTOML() (interface{}, error) {
enc.DocRoot = c.DocRoot
enc.EWASMInterpreter = c.EWASMInterpreter
enc.EVMInterpreter = c.EVMInterpreter
enc.ConstantinopleOverride = c.ConstantinopleOverride
enc.RPCGasCap = c.RPCGasCap
enc.Checkpoint = c.Checkpoint
enc.CheckpointOracle = c.CheckpointOracle
return &enc, nil
}
@ -88,14 +95,16 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
NoPrefetch *bool
Whitelist map[uint64]common.Hash `toml:"-"`
LightServ *int `toml:",omitempty"`
LightBandwidthIn *int `toml:",omitempty"`
LightBandwidthOut *int `toml:",omitempty"`
LightIngress *int `toml:",omitempty"`
LightEgress *int `toml:",omitempty"`
LightPeers *int `toml:",omitempty"`
OnlyAnnounce *bool
ULC *ULCConfig `toml:",omitempty"`
SkipBcVersionCheck *bool `toml:"-"`
DatabaseHandles *int `toml:"-"`
UltraLightServers []string `toml:",omitempty"`
UltraLightFraction *int `toml:",omitempty"`
UltraLightOnlyAnnounce *bool `toml:",omitempty"`
SkipBcVersionCheck *bool `toml:"-"`
DatabaseHandles *int `toml:"-"`
DatabaseCache *int
DatabaseFreezer *string
TrieCleanCache *int
TrieDirtyCache *int
TrieTimeout *time.Duration
@ -107,8 +116,9 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
DocRoot *string `toml:"-"`
EWASMInterpreter *string
EVMInterpreter *string
ConstantinopleOverride *big.Int
RPCGasCap *big.Int `toml:",omitempty"`
Checkpoint *params.TrustedCheckpoint
CheckpointOracle *params.CheckpointOracleConfig
}
var dec Config
if err := unmarshal(&dec); err != nil {
@ -135,20 +145,23 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.LightServ != nil {
c.LightServ = *dec.LightServ
}
if dec.LightBandwidthIn != nil {
c.LightBandwidthIn = *dec.LightBandwidthIn
if dec.LightIngress != nil {
c.LightIngress = *dec.LightIngress
}
if dec.LightBandwidthOut != nil {
c.LightBandwidthOut = *dec.LightBandwidthOut
if dec.LightEgress != nil {
c.LightEgress = *dec.LightEgress
}
if dec.LightPeers != nil {
c.LightPeers = *dec.LightPeers
}
if dec.OnlyAnnounce != nil {
c.OnlyAnnounce = *dec.OnlyAnnounce
if dec.UltraLightServers != nil {
c.UltraLightServers = dec.UltraLightServers
}
if dec.ULC != nil {
c.ULC = dec.ULC
if dec.UltraLightFraction != nil {
c.UltraLightFraction = *dec.UltraLightFraction
}
if dec.UltraLightOnlyAnnounce != nil {
c.UltraLightOnlyAnnounce = *dec.UltraLightOnlyAnnounce
}
if dec.SkipBcVersionCheck != nil {
c.SkipBcVersionCheck = *dec.SkipBcVersionCheck
@ -159,6 +172,9 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.DatabaseCache != nil {
c.DatabaseCache = *dec.DatabaseCache
}
if dec.DatabaseFreezer != nil {
c.DatabaseFreezer = *dec.DatabaseFreezer
}
if dec.TrieCleanCache != nil {
c.TrieCleanCache = *dec.TrieCleanCache
}
@ -192,11 +208,14 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.EVMInterpreter != nil {
c.EVMInterpreter = *dec.EVMInterpreter
}
if dec.ConstantinopleOverride != nil {
c.ConstantinopleOverride = dec.ConstantinopleOverride
}
if dec.RPCGasCap != nil {
c.RPCGasCap = dec.RPCGasCap
}
if dec.Checkpoint != nil {
c.Checkpoint = dec.Checkpoint
}
if dec.CheckpointOracle != nil {
c.CheckpointOracle = dec.CheckpointOracle
}
return nil
}

123
eth/handler.go
View file

@ -58,10 +58,6 @@ var (
syncChallengeTimeout = 15 * time.Second // Time allowance for a node to reply to the sync progress challenge
)
// errIncompatibleConfig is returned if the requested protocols and configs are
// not compatible (low protocol version restrictions and high requirements).
var errIncompatibleConfig = errors.New("incompatible configuration")
func errResp(code errCode, format string, v ...interface{}) error {
return fmt.Errorf("%v - %v", code, fmt.Sprintf(format, v...))
}
@ -75,17 +71,14 @@ type ProtocolManager struct {
checkpointNumber uint64 // Block number for the sync progress validator to cross reference
checkpointHash common.Hash // Block hash for the sync progress validator to cross reference
txpool txPool
blockchain *core.BlockChain
chainconfig *params.ChainConfig
maxPeers int
txpool txPool
blockchain *core.BlockChain
maxPeers int
downloader *downloader.Downloader
fetcher *fetcher.Fetcher
peers *peerSet
SubProtocols []p2p.Protocol
eventMux *event.TypeMux
txsCh chan core.NewTxsEvent
txsSub event.Subscription
@ -106,14 +99,13 @@ type ProtocolManager struct {
// NewProtocolManager returns a new Ethereum sub protocol manager. The Ethereum sub protocol manages peers capable
// with the Ethereum network.
func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, networkID uint64, mux *event.TypeMux, txpool txPool, engine consensus.Engine, blockchain *core.BlockChain, chaindb ethdb.Database, cacheLimit int, whitelist map[uint64]common.Hash) (*ProtocolManager, error) {
func NewProtocolManager(config *params.ChainConfig, checkpoint *params.TrustedCheckpoint, mode downloader.SyncMode, networkID uint64, mux *event.TypeMux, txpool txPool, engine consensus.Engine, blockchain *core.BlockChain, chaindb ethdb.Database, cacheLimit int, whitelist map[uint64]common.Hash) (*ProtocolManager, error) {
// Create the protocol manager with the base fields
manager := &ProtocolManager{
networkID: networkID,
eventMux: mux,
txpool: txpool,
blockchain: blockchain,
chainconfig: config,
peers: newPeerSet(),
whitelist: whitelist,
newPeerCh: make(chan *peer),
@ -121,54 +113,35 @@ func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, ne
txsyncCh: make(chan *txsync),
quitSync: make(chan struct{}),
}
// If fast sync was requested and our database is empty, grant it
if mode == downloader.FastSync && blockchain.CurrentBlock().NumberU64() == 0 {
manager.fastSync = uint32(1)
if mode == downloader.FullSync {
// The database seems empty as the current block is the genesis. Yet the fast
// block is ahead, so fast sync was enabled for this node at a certain point.
// The scenarios where this can happen is
// * if the user manually (or via a bad block) rolled back a fast sync node
// below the sync point.
// * the last fast sync is not finished while user specifies a full sync this
// time. But we don't have any recent state for full sync.
// In these cases however it's safe to reenable fast sync.
fullBlock, fastBlock := blockchain.CurrentBlock(), blockchain.CurrentFastBlock()
if fullBlock.NumberU64() == 0 && fastBlock.NumberU64() > 0 {
manager.fastSync = uint32(1)
log.Warn("Switch sync mode from full sync to fast sync")
}
} else {
if blockchain.CurrentBlock().NumberU64() > 0 {
// Print warning log if database is not empty to run fast sync.
log.Warn("Switch sync mode from fast sync to full sync")
} else {
// If fast sync was requested and our database is empty, grant it
manager.fastSync = uint32(1)
}
}
// If we have trusted checkpoints, enforce them on the chain
if checkpoint, ok := params.TrustedCheckpoints[blockchain.Genesis().Hash()]; ok {
if checkpoint != nil {
manager.checkpointNumber = (checkpoint.SectionIndex+1)*params.CHTFrequency - 1
manager.checkpointHash = checkpoint.SectionHead
}
// Initiate a sub-protocol for every implemented version we can handle
manager.SubProtocols = make([]p2p.Protocol, 0, len(ProtocolVersions))
for i, version := range ProtocolVersions {
// Skip protocol version if incompatible with the mode of operation
// TODO(karalabe): hard-drop eth/62 from the code base
if atomic.LoadUint32(&manager.fastSync) == 1 && version < eth63 {
continue
}
// Compatible; initialise the sub-protocol
version := version // Closure for the run
manager.SubProtocols = append(manager.SubProtocols, p2p.Protocol{
Name: ProtocolName,
Version: version,
Length: ProtocolLengths[i],
Run: func(p *p2p.Peer, rw p2p.MsgReadWriter) error {
peer := manager.newPeer(int(version), p, rw)
select {
case manager.newPeerCh <- peer:
manager.wg.Add(1)
defer manager.wg.Done()
return manager.handle(peer)
case <-manager.quitSync:
return p2p.DiscQuitting
}
},
NodeInfo: func() interface{} {
return manager.NodeInfo()
},
PeerInfo: func(id enode.ID) interface{} {
if p := manager.peers.Peer(fmt.Sprintf("%x", id[:8])); p != nil {
return p.Info()
}
return nil
},
})
}
if len(manager.SubProtocols) == 0 {
return nil, errIncompatibleConfig
}
// Construct the downloader (long sync) and its backing state bloom if fast
// sync is requested. The downloader is responsible for deallocating the state
// bloom when it's done.
@ -216,6 +189,39 @@ func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, ne
return manager, nil
}
func (pm *ProtocolManager) makeProtocol(version uint) p2p.Protocol {
length, ok := protocolLengths[version]
if !ok {
panic("makeProtocol for unknown version")
}
return p2p.Protocol{
Name: protocolName,
Version: version,
Length: length,
Run: func(p *p2p.Peer, rw p2p.MsgReadWriter) error {
peer := pm.newPeer(int(version), p, rw)
select {
case pm.newPeerCh <- peer:
pm.wg.Add(1)
defer pm.wg.Done()
return pm.handle(peer)
case <-pm.quitSync:
return p2p.DiscQuitting
}
},
NodeInfo: func() interface{} {
return pm.NodeInfo()
},
PeerInfo: func(id enode.ID) interface{} {
if p := pm.peers.Peer(fmt.Sprintf("%x", id[:8])); p != nil {
return p.Info()
}
return nil
},
}
}
func (pm *ProtocolManager) removePeer(id string) {
// Short circuit if the peer was already removed
peer := pm.peers.Peer(id)
@ -362,8 +368,8 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
if err != nil {
return err
}
if msg.Size > ProtocolMaxMsgSize {
return errResp(ErrMsgTooLarge, "%v > %v", msg.Size, ProtocolMaxMsgSize)
if msg.Size > protocolMaxMsgSize {
return errResp(ErrMsgTooLarge, "%v > %v", msg.Size, protocolMaxMsgSize)
}
defer msg.Discard()
@ -678,6 +684,9 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
if err := msg.Decode(&request); err != nil {
return errResp(ErrDecode, "%v: %v", msg, err)
}
if err := request.sanityCheck(); err != nil {
return err
}
request.Block.ReceivedAt = msg.ReceivedAt
request.Block.ReceivedFrom = p

49
eth/handler_test.go
View file

@ -38,35 +38,6 @@ import (
"github.com/ethereum/go-ethereum/params"
)
// Tests that protocol versions and modes of operations are matched up properly.
func TestProtocolCompatibility(t *testing.T) {
// Define the compatibility chart
tests := []struct {
version uint
mode downloader.SyncMode
compatible bool
}{
{61, downloader.FullSync, true}, {62, downloader.FullSync, true}, {63, downloader.FullSync, true},
{61, downloader.FastSync, false}, {62, downloader.FastSync, false}, {63, downloader.FastSync, true},
}
// Make sure anything we screw up is restored
backup := ProtocolVersions
defer func() { ProtocolVersions = backup }()
// Try all available compatibility configs and check for errors
for i, tt := range tests {
ProtocolVersions = []uint{tt.version}
pm, _, err := newTestProtocolManager(tt.mode, 0, nil, nil)
if pm != nil {
defer pm.Stop()
}
if (err == nil && !tt.compatible) || (err != nil && tt.compatible) {
t.Errorf("test %d: compatibility mismatch: have error %v, want compatibility %v", i, err, tt.compatible)
}
}
}
// Tests that block headers can be retrieved from a remote chain based on user queries.
func TestGetBlockHeaders62(t *testing.T) { testGetBlockHeaders(t, 62) }
func TestGetBlockHeaders63(t *testing.T) { testGetBlockHeaders(t, 63) }
@ -468,27 +439,22 @@ func TestCheckpointChallenge(t *testing.T) {
// If checkpointing is not enabled locally, don't challenge and don't drop
{downloader.FullSync, false, false, false, false, false},
{downloader.FastSync, false, false, false, false, false},
{downloader.LightSync, false, false, false, false, false},
// If checkpointing is enabled locally and remote response is empty, only drop during fast sync
{downloader.FullSync, true, false, true, false, false},
{downloader.FastSync, true, false, true, false, true}, // Special case, fast sync, unsynced peer
{downloader.LightSync, true, false, true, false, false},
// If checkpointing is enabled locally and remote response mismatches, always drop
{downloader.FullSync, true, false, false, false, true},
{downloader.FastSync, true, false, false, false, true},
{downloader.LightSync, true, false, false, false, true},
// If checkpointing is enabled locally and remote response matches, never drop
{downloader.FullSync, true, false, false, true, false},
{downloader.FastSync, true, false, false, true, false},
{downloader.LightSync, true, false, false, true, false},
// If checkpointing is enabled locally and remote times out, always drop
{downloader.FullSync, true, true, false, true, true},
{downloader.FastSync, true, true, false, true, true},
{downloader.LightSync, true, true, false, true, true},
}
for _, tt := range tests {
t.Run(fmt.Sprintf("sync %v checkpoint %v timeout %v empty %v match %v", tt.syncmode, tt.checkpoint, tt.timeout, tt.empty, tt.match), func(t *testing.T) {
@ -504,31 +470,30 @@ func testCheckpointChallenge(t *testing.T, syncmode downloader.SyncMode, checkpo
// Initialize a chain and generate a fake CHT if checkpointing is enabled
var (
db = rawdb.NewMemoryDatabase()
config = new(params.ChainConfig)
genesis = (&core.Genesis{Config: config}).MustCommit(db)
db = rawdb.NewMemoryDatabase()
config = new(params.ChainConfig)
)
(&core.Genesis{Config: config}).MustCommit(db) // Commit genesis block
// If checkpointing is enabled, create and inject a fake CHT and the corresponding
// chllenge response.
var response *types.Header
var cht *params.TrustedCheckpoint
if checkpoint {
index := uint64(rand.Intn(500))
number := (index+1)*params.CHTFrequency - 1
response = &types.Header{Number: big.NewInt(int64(number)), Extra: []byte("valid")}
cht := &params.TrustedCheckpoint{
cht = &params.TrustedCheckpoint{
SectionIndex: index,
SectionHead: response.Hash(),
}
params.TrustedCheckpoints[genesis.Hash()] = cht
defer delete(params.TrustedCheckpoints, genesis.Hash())
}
// Create a checkpoint aware protocol manager
blockchain, err := core.NewBlockChain(db, nil, config, ethash.NewFaker(), vm.Config{}, nil)
if err != nil {
t.Fatalf("failed to create new blockchain: %v", err)
}
pm, err := NewProtocolManager(config, syncmode, DefaultConfig.NetworkId, new(event.TypeMux), new(testTxPool), ethash.NewFaker(), blockchain, db, 1, nil)
pm, err := NewProtocolManager(config, cht, syncmode, DefaultConfig.NetworkId, new(event.TypeMux), new(testTxPool), ethash.NewFaker(), blockchain, db, 1, nil)
if err != nil {
t.Fatalf("failed to start test protocol manager: %v", err)
}
@ -615,7 +580,7 @@ func testBroadcastBlock(t *testing.T, totalPeers, broadcastExpected int) {
if err != nil {
t.Fatalf("failed to create new blockchain: %v", err)
}
pm, err := NewProtocolManager(config, downloader.FullSync, DefaultConfig.NetworkId, evmux, new(testTxPool), pow, blockchain, db, 1, nil)
pm, err := NewProtocolManager(config, nil, downloader.FullSync, DefaultConfig.NetworkId, evmux, new(testTxPool), pow, blockchain, db, 1, nil)
if err != nil {
t.Fatalf("failed to start test protocol manager: %v", err)
}

2
eth/helper_test.go
View file

@ -66,7 +66,7 @@ func newTestProtocolManager(mode downloader.SyncMode, blocks int, generator func
if _, err := blockchain.InsertChain(chain); err != nil {
panic(err)
}
pm, err := NewProtocolManager(gspec.Config, mode, DefaultConfig.NetworkId, evmux, &testTxPool{added: newtx}, engine, blockchain, db, 1, nil)
pm, err := NewProtocolManager(gspec.Config, nil, mode, DefaultConfig.NetworkId, evmux, &testTxPool{added: newtx}, engine, blockchain, db, 1, nil)
if err != nil {
return nil, nil, err
}

28
eth/peer.go
View file

@ -196,9 +196,13 @@ func (p *peer) MarkTransaction(hash common.Hash) {
// SendTransactions sends transactions to the peer and includes the hashes
// in its transaction hash set for future reference.
func (p *peer) SendTransactions(txs types.Transactions) error {
// Mark all the transactions as known, but ensure we don't overflow our limits
for _, tx := range txs {
p.knownTxs.Add(tx.Hash())
}
for p.knownTxs.Cardinality() >= maxKnownTxs {
p.knownTxs.Pop()
}
return p2p.Send(p.rw, TxMsg, txs)
}
@ -207,9 +211,13 @@ func (p *peer) SendTransactions(txs types.Transactions) error {
func (p *peer) AsyncSendTransactions(txs []*types.Transaction) {
select {
case p.queuedTxs <- txs:
// Mark all the transactions as known, but ensure we don't overflow our limits
for _, tx := range txs {
p.knownTxs.Add(tx.Hash())
}
for p.knownTxs.Cardinality() >= maxKnownTxs {
p.knownTxs.Pop()
}
default:
p.Log().Debug("Dropping transaction propagation", "count", len(txs))
}
@ -218,9 +226,13 @@ func (p *peer) AsyncSendTransactions(txs []*types.Transaction) {
// SendNewBlockHashes announces the availability of a number of blocks through
// a hash notification.
func (p *peer) SendNewBlockHashes(hashes []common.Hash, numbers []uint64) error {
// Mark all the block hashes as known, but ensure we don't overflow our limits
for _, hash := range hashes {
p.knownBlocks.Add(hash)
}
for p.knownBlocks.Cardinality() >= maxKnownBlocks {
p.knownBlocks.Pop()
}
request := make(newBlockHashesData, len(hashes))
for i := 0; i < len(hashes); i++ {
request[i].Hash = hashes[i]
@ -235,7 +247,11 @@ func (p *peer) SendNewBlockHashes(hashes []common.Hash, numbers []uint64) error
func (p *peer) AsyncSendNewBlockHash(block *types.Block) {
select {
case p.queuedAnns <- block:
// Mark all the block hash as known, but ensure we don't overflow our limits
p.knownBlocks.Add(block.Hash())
for p.knownBlocks.Cardinality() >= maxKnownBlocks {
p.knownBlocks.Pop()
}
default:
p.Log().Debug("Dropping block announcement", "number", block.NumberU64(), "hash", block.Hash())
}
@ -243,7 +259,11 @@ func (p *peer) AsyncSendNewBlockHash(block *types.Block) {
// SendNewBlock propagates an entire block to a remote peer.
func (p *peer) SendNewBlock(block *types.Block, td *big.Int) error {
// Mark all the block hash as known, but ensure we don't overflow our limits
p.knownBlocks.Add(block.Hash())
for p.knownBlocks.Cardinality() >= maxKnownBlocks {
p.knownBlocks.Pop()
}
return p2p.Send(p.rw, NewBlockMsg, []interface{}{block, td})
}
@ -252,7 +272,11 @@ func (p *peer) SendNewBlock(block *types.Block, td *big.Int) error {
func (p *peer) AsyncSendNewBlock(block *types.Block, td *big.Int) {
select {
case p.queuedProps <- &propEvent{block: block, td: td}:
// Mark all the block hash as known, but ensure we don't overflow our limits
p.knownBlocks.Add(block.Hash())
for p.knownBlocks.Cardinality() >= maxKnownBlocks {
p.knownBlocks.Pop()
}
default:
p.Log().Debug("Dropping block propagation", "number", block.NumberU64(), "hash", block.Hash())
}
@ -370,8 +394,8 @@ func (p *peer) readStatus(network uint64, status *statusData, genesis common.Has
if msg.Code != StatusMsg {
return errResp(ErrNoStatusMsg, "first msg has code %x (!= %x)", msg.Code, StatusMsg)
}
if msg.Size > ProtocolMaxMsgSize {
return errResp(ErrMsgTooLarge, "%v > %v", msg.Size, ProtocolMaxMsgSize)
if msg.Size > protocolMaxMsgSize {
return errResp(ErrMsgTooLarge, "%v > %v", msg.Size, protocolMaxMsgSize)
}
// Decode the handshake and make sure everything matches
if err := msg.Decode(&status); err != nil {

25
eth/protocol.go
View file

@ -34,16 +34,16 @@ const (
eth63 = 63
)
// ProtocolName is the official short name of the protocol used during capability negotiation.
var ProtocolName = "eth"
// protocolName is the official short name of the protocol used during capability negotiation.
const protocolName = "eth"
// ProtocolVersions are the supported versions of the eth protocol (first is primary).
var ProtocolVersions = []uint{eth63, eth62}
var ProtocolVersions = []uint{eth63}
// ProtocolLengths are the number of implemented message corresponding to different protocol versions.
var ProtocolLengths = []uint64{17, 8}
// protocolLengths are the number of implemented message corresponding to different protocol versions.
var protocolLengths = map[uint]uint64{eth63: 17, eth62: 8}
const ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
const protocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
// eth protocol message codes
const (
@ -173,6 +173,19 @@ type newBlockData struct {
TD *big.Int
}
// sanityCheck verifies that the values are reasonable, as a DoS protection
func (request *newBlockData) sanityCheck() error {
if err := request.Block.SanityCheck(); err != nil {
return err
}
//TD at mainnet block #7753254 is 76 bits. If it becomes 100 million times
// larger, it will still fit within 100 bits
if tdlen := request.TD.BitLen(); tdlen > 100 {
return fmt.Errorf("too large block TD: bitlen %d", tdlen)
}
return nil
}
// blockBody represents the data content of a single block.
type blockBody struct {
Transactions []*types.Transaction // Transactions contained within a block

8
eth/sync.go
View file

@ -179,14 +179,6 @@ func (pm *ProtocolManager) synchronise(peer *peer) {
if atomic.LoadUint32(&pm.fastSync) == 1 {
// Fast sync was explicitly requested, and explicitly granted
mode = downloader.FastSync
} else if currentBlock.NumberU64() == 0 && pm.blockchain.CurrentFastBlock().NumberU64() > 0 {
// The database seems empty as the current block is the genesis. Yet the fast
// block is ahead, so fast sync was enabled for this node at a certain point.
// The only scenario where this can happen is if the user manually (or via a
// bad block) rolled back a fast sync node below the sync point. In this case
// however it's safe to reenable fast sync.
atomic.StoreUint32(&pm.fastSync, 1)
mode = downloader.FastSync
}
if mode == downloader.FastSync {
// Make sure the peer's total difficulty we are synchronizing is higher.

9
eth/ulc_config.go
View file

@ -1,9 +0,0 @@
package eth
const DefaultULCMinTrustedFraction = 75
// ULCConfig is a Ultra Light client options.
type ULCConfig struct {
TrustedServers []string `toml:",omitempty"` // A list of trusted servers
MinTrustedFraction int `toml:",omitempty"` // Minimum percentage of connected trusted servers to validate trusted (1-100)
}

10
ethclient/ethclient.go
View file

@ -61,6 +61,16 @@ func (ec *Client) Close() {
// Blockchain Access
// ChainId retrieves the current chain ID for transaction replay protection.
func (ec *Client) ChainID(ctx context.Context) (*big.Int, error) {
var result hexutil.Big
err := ec.c.CallContext(ctx, &result, "eth_chainId")
if err != nil {
return nil, err
}
return (*big.Int)(&result), err
}
// BlockByHash returns the given full block.
//
// Note that loading full blocks requires two requests. Use HeaderByHash

16
ethclient/ethclient_test.go
View file

@ -319,3 +319,19 @@ func TestTransactionInBlockInterrupted(t *testing.T) {
t.Fatal("error should not be nil")
}
}
func TestChainID(t *testing.T) {
backend, _ := newTestBackend(t)
client, _ := backend.Attach()
defer backend.Stop()
defer client.Close()
ec := NewClient(client)
id, err := ec.ChainID(context.Background())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if id == nil || id.Cmp(params.AllEthashProtocolChanges.ChainID) != 0 {
t.Fatalf("ChainID returned wrong number: %+v", id)
}
}

16
ethdb/leveldb/leveldb.go
View file

@ -67,6 +67,7 @@ type Database struct {
compWriteMeter metrics.Meter // Meter for measuring the data written during compaction
writeDelayNMeter metrics.Meter // Meter for measuring the write delay number due to database compaction
writeDelayMeter metrics.Meter // Meter for measuring the write delay duration due to database compaction
diskSizeGauge metrics.Gauge // Gauge for tracking the size of all the levels in the database
diskReadMeter metrics.Meter // Meter for measuring the effective amount of data read
diskWriteMeter metrics.Meter // Meter for measuring the effective amount of data written
@ -112,6 +113,7 @@ func New(file string, cache int, handles int, namespace string) (*Database, erro
ldb.compTimeMeter = metrics.NewRegisteredMeter(namespace+"compact/time", nil)
ldb.compReadMeter = metrics.NewRegisteredMeter(namespace+"compact/input", nil)
ldb.compWriteMeter = metrics.NewRegisteredMeter(namespace+"compact/output", nil)
ldb.diskSizeGauge = metrics.NewRegisteredGauge(namespace+"disk/size", nil)
ldb.diskReadMeter = metrics.NewRegisteredMeter(namespace+"disk/read", nil)
ldb.diskWriteMeter = metrics.NewRegisteredMeter(namespace+"disk/write", nil)
ldb.writeDelayMeter = metrics.NewRegisteredMeter(namespace+"compact/writedelay/duration", nil)
@ -233,7 +235,7 @@ func (db *Database) meter(refresh time.Duration) {
// Create the counters to store current and previous compaction values
compactions := make([][]float64, 2)
for i := 0; i < 2; i++ {
compactions[i] = make([]float64, 3)
compactions[i] = make([]float64, 4)
}
// Create storage for iostats.
var iostats [2]float64
@ -279,7 +281,7 @@ func (db *Database) meter(refresh time.Duration) {
if len(parts) != 6 {
break
}
for idx, counter := range parts[3:] {
for idx, counter := range parts[2:] {
value, err := strconv.ParseFloat(strings.TrimSpace(counter), 64)
if err != nil {
db.log.Error("Compaction entry parsing failed", "err", err)
@ -290,16 +292,18 @@ func (db *Database) meter(refresh time.Duration) {
}
}
// Update all the requested meters
if db.diskSizeGauge != nil {
db.diskSizeGauge.Update(int64(compactions[i%2][0] * 1024 * 1024))
}
if db.compTimeMeter != nil {
db.compTimeMeter.Mark(int64((compactions[i%2][0] - compactions[(i-1)%2][0]) * 1000 * 1000 * 1000))
db.compTimeMeter.Mark(int64((compactions[i%2][1] - compactions[(i-1)%2][1]) * 1000 * 1000 * 1000))
}
if db.compReadMeter != nil {
db.compReadMeter.Mark(int64((compactions[i%2][1] - compactions[(i-1)%2][1]) * 1024 * 1024))
db.compReadMeter.Mark(int64((compactions[i%2][2] - compactions[(i-1)%2][2]) * 1024 * 1024))
}
if db.compWriteMeter != nil {
db.compWriteMeter.Mark(int64((compactions[i%2][2] - compactions[(i-1)%2][2]) * 1024 * 1024))
db.compWriteMeter.Mark(int64((compactions[i%2][3] - compactions[(i-1)%2][3]) * 1024 * 1024))
}
// Retrieve the write delay statistic
writedelay, err := db.db.GetProperty("leveldb.writedelay")
if err != nil {

37
graphql/graphiql.go
View file

@ -60,11 +60,37 @@ var graphiql = []byte(`
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.11.11/graphiql.css"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/2.0.3/fetch.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.2.0/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.2.0/umd/react-dom.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.11.11/graphiql.min.js"></script>
<link
rel="icon"
type="image/png"
href="data:image/png;base64,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"
/>
<link
rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.13.0/graphiql.css"
integrity="sha384-Qua2xoKBxcHOg1ivsKWo98zSI5KD/UuBpzMIg8coBd4/jGYoxeozCYFI9fesatT0"
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<body style="width: 100%; height: 100%; margin: 0; overflow: hidden;">
<div id="graphiql" style="height: 100vh;">Loading...</div>
@ -84,7 +110,6 @@ var graphiql = []byte(`
}
});
}
ReactDOM.render(
React.createElement(GraphiQL, {fetcher: fetchGQL}),
document.getElementById("graphiql")

110
graphql/graphql.go
View file

@ -20,9 +20,6 @@ package graphql
import (
"context"
"errors"
"fmt"
"net"
"net/http"
"time"
"github.com/ethereum/go-ethereum"
@ -32,16 +29,10 @@ import (
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/eth/filters"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
graphqlgo "github.com/graph-gophers/graphql-go"
"github.com/graph-gophers/graphql-go/relay"
)
var OnlyOnMainChainError = errors.New("This operation is only available for blocks on the canonical chain.")
@ -49,7 +40,7 @@ var BlockInvariantError = errors.New("Block objects must be instantiated with at
// Account represents an Ethereum account at a particular block.
type Account struct {
backend *eth.EthAPIBackend
backend ethapi.Backend
address common.Address
blockNumber rpc.BlockNumber
}
@ -102,7 +93,7 @@ func (a *Account) Storage(ctx context.Context, args struct{ Slot common.Hash })
// Log represents an individual log message. All arguments are mandatory.
type Log struct {
backend *eth.EthAPIBackend
backend ethapi.Backend
transaction *Transaction
log *types.Log
}
@ -134,7 +125,7 @@ func (l *Log) Data(ctx context.Context) hexutil.Bytes {
// Transaction represents an Ethereum transaction.
// backend and hash are mandatory; all others will be fetched when required.
type Transaction struct {
backend *eth.EthAPIBackend
backend ethapi.Backend
hash common.Hash
tx *types.Transaction
block *Block
@ -349,7 +340,7 @@ const (
// backend, and either num or hash are mandatory. All other fields are lazily fetched
// when required.
type Block struct {
backend *eth.EthAPIBackend
backend ethapi.Backend
num *rpc.BlockNumber
hash common.Hash
header *types.Header
@ -745,7 +736,7 @@ type BlockFilterCriteria struct {
// runFilter accepts a filter and executes it, returning all its results as
// `Log` objects.
func runFilter(ctx context.Context, be *eth.EthAPIBackend, filter *filters.Filter) ([]*Log, error) {
func runFilter(ctx context.Context, be ethapi.Backend, filter *filters.Filter) ([]*Log, error) {
logs, err := filter.Logs(ctx)
if err != nil || logs == nil {
return nil, err
@ -888,7 +879,7 @@ func (b *Block) EstimateGas(ctx context.Context, args struct {
}
type Pending struct {
backend *eth.EthAPIBackend
backend ethapi.Backend
}
func (p *Pending) TransactionCount(ctx context.Context) (int32, error) {
@ -947,7 +938,7 @@ func (p *Pending) EstimateGas(ctx context.Context, args struct {
// Resolver is the top-level object in the GraphQL hierarchy.
type Resolver struct {
backend *eth.EthAPIBackend
backend ethapi.Backend
}
func (r *Resolver) Block(ctx context.Context, args struct {
@ -1088,7 +1079,6 @@ func (r *Resolver) Logs(ctx context.Context, args struct{ Filter FilterCriteria
// Construct the range filter
filter := filters.NewRangeFilter(filters.Backend(r.backend), begin, end, addresses, topics)
return runFilter(ctx, r.backend, filter)
}
@ -1145,89 +1135,3 @@ func (r *Resolver) Syncing() (*SyncState, error) {
// Otherwise gather the block sync stats
return &SyncState{progress}, nil
}
// NewHandler returns a new `http.Handler` that will answer GraphQL queries.
// It additionally exports an interactive query browser on the / endpoint.
func NewHandler(be *eth.EthAPIBackend) (http.Handler, error) {
q := Resolver{be}
s, err := graphqlgo.ParseSchema(schema, &q)
if err != nil {
return nil, err
}
h := &relay.Handler{Schema: s}
mux := http.NewServeMux()
mux.Handle("/", GraphiQL{})
mux.Handle("/graphql", h)
mux.Handle("/graphql/", h)
return mux, nil
}
// Service encapsulates a GraphQL service.
type Service struct {
endpoint string // The host:port endpoint for this service.
cors []string // Allowed CORS domains
vhosts []string // Recognised vhosts
timeouts rpc.HTTPTimeouts // Timeout settings for HTTP requests.
backend *eth.EthAPIBackend // The backend that queries will operate onn.
handler http.Handler // The `http.Handler` used to answer queries.
listener net.Listener // The listening socket.
}
// Protocols returns the list of protocols exported by this service.
func (s *Service) Protocols() []p2p.Protocol { return nil }
// APIs returns the list of APIs exported by this service.
func (s *Service) APIs() []rpc.API { return nil }
// Start is called after all services have been constructed and the networking
// layer was also initialized to spawn any goroutines required by the service.
func (s *Service) Start(server *p2p.Server) error {
var err error
s.handler, err = NewHandler(s.backend)
if err != nil {
return err
}
if s.listener, err = net.Listen("tcp", s.endpoint); err != nil {
return err
}
go rpc.NewHTTPServer(s.cors, s.vhosts, s.timeouts, s.handler).Serve(s.listener)
log.Info("GraphQL endpoint opened", "url", fmt.Sprintf("http://%s", s.endpoint))
return nil
}
// Stop terminates all goroutines belonging to the service, blocking until they
// are all terminated.
func (s *Service) Stop() error {
if s.listener != nil {
s.listener.Close()
s.listener = nil
log.Info("GraphQL endpoint closed", "url", fmt.Sprintf("http://%s", s.endpoint))
}
return nil
}
// NewService constructs a new service instance.
func NewService(backend *eth.EthAPIBackend, endpoint string, cors, vhosts []string, timeouts rpc.HTTPTimeouts) (*Service, error) {
return &Service{
endpoint: endpoint,
cors: cors,
vhosts: vhosts,
timeouts: timeouts,
backend: backend,
}, nil
}
// RegisterGraphQLService is a utility function to construct a new service and register it against a node.
func RegisterGraphQLService(stack *node.Node, endpoint string, cors, vhosts []string, timeouts rpc.HTTPTimeouts) error {
return stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
var ethereum *eth.Ethereum
if err := ctx.Service(&ethereum); err != nil {
return nil, err
}
return NewService(ethereum.APIBackend, endpoint, cors, vhosts, timeouts)
})
}

3
graphql/graphql_test.go
View file

@ -22,8 +22,7 @@ import (
func TestBuildSchema(t *testing.T) {
// Make sure the schema can be parsed and matched up to the object model.
_, err := NewHandler(nil)
if err != nil {
if _, err := newHandler(nil); err != nil {
t.Errorf("Could not construct GraphQL handler: %v", err)
}
}

103
graphql/service.go Normal file
View file

@ -0,0 +1,103 @@
// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package graphql
import (
"fmt"
"net"
"net/http"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
"github.com/graph-gophers/graphql-go"
"github.com/graph-gophers/graphql-go/relay"
)
// Service encapsulates a GraphQL service.
type Service struct {
endpoint string // The host:port endpoint for this service.
cors []string // Allowed CORS domains
vhosts []string // Recognised vhosts
timeouts rpc.HTTPTimeouts // Timeout settings for HTTP requests.
backend ethapi.Backend // The backend that queries will operate onn.
handler http.Handler // The `http.Handler` used to answer queries.
listener net.Listener // The listening socket.
}
// New constructs a new GraphQL service instance.
func New(backend ethapi.Backend, endpoint string, cors, vhosts []string, timeouts rpc.HTTPTimeouts) (*Service, error) {
return &Service{
endpoint: endpoint,
cors: cors,
vhosts: vhosts,
timeouts: timeouts,
backend: backend,
}, nil
}
// Protocols returns the list of protocols exported by this service.
func (s *Service) Protocols() []p2p.Protocol { return nil }
// APIs returns the list of APIs exported by this service.
func (s *Service) APIs() []rpc.API { return nil }
// Start is called after all services have been constructed and the networking
// layer was also initialized to spawn any goroutines required by the service.
func (s *Service) Start(server *p2p.Server) error {
var err error
s.handler, err = newHandler(s.backend)
if err != nil {
return err
}
if s.listener, err = net.Listen("tcp", s.endpoint); err != nil {
return err
}
go rpc.NewHTTPServer(s.cors, s.vhosts, s.timeouts, s.handler).Serve(s.listener)
log.Info("GraphQL endpoint opened", "url", fmt.Sprintf("http://%s", s.endpoint))
return nil
}
// newHandler returns a new `http.Handler` that will answer GraphQL queries.
// It additionally exports an interactive query browser on the / endpoint.
func newHandler(backend ethapi.Backend) (http.Handler, error) {
q := Resolver{backend}
s, err := graphql.ParseSchema(schema, &q)
if err != nil {
return nil, err
}
h := &relay.Handler{Schema: s}
mux := http.NewServeMux()
mux.Handle("/", GraphiQL{})
mux.Handle("/graphql", h)
mux.Handle("/graphql/", h)
return mux, nil
}
// Stop terminates all goroutines belonging to the service, blocking until they
// are all terminated.
func (s *Service) Stop() error {
if s.listener != nil {
s.listener.Close()
s.listener = nil
log.Info("GraphQL endpoint closed", "url", fmt.Sprintf("http://%s", s.endpoint))
}
return nil
}

9
internal/ethapi/api.go
View file

@ -529,6 +529,11 @@ func NewPublicBlockChainAPI(b Backend) *PublicBlockChainAPI {
return &PublicBlockChainAPI{b}
}
// ChainId returns the chainID value for transaction replay protection.
func (s *PublicBlockChainAPI) ChainId() *hexutil.Big {
return (*hexutil.Big)(s.b.ChainConfig().ChainID)
}
// BlockNumber returns the block number of the chain head.
func (s *PublicBlockChainAPI) BlockNumber() hexutil.Uint64 {
header, _ := s.b.HeaderByNumber(context.Background(), rpc.LatestBlockNumber) // latest header should always be available
@ -797,6 +802,10 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumb
if err := vmError(); err != nil {
return nil, 0, false, err
}
// If the timer caused an abort, return an appropriate error message
if evm.Cancelled() {
return nil, 0, false, fmt.Errorf("execution aborted (timeout = %v)", timeout)
}
return res, gas, failed, err
}

13
internal/ethapi/backend.go
View file

@ -24,6 +24,7 @@ import (
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/bloombits"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
@ -47,9 +48,10 @@ type Backend interface {
ExtRPCEnabled() bool
RPCGasCap() *big.Int // global gas cap for eth_call over rpc: DoS protection
// BlockChain API
// Blockchain API
SetHead(number uint64)
HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)
HeaderByHash(ctx context.Context, blockHash common.Hash) (*types.Header, error)
BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error)
StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *types.Header, error)
GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error)
@ -60,7 +62,7 @@ type Backend interface {
SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription
// TxPool API
// Transaction pool API
SendTx(ctx context.Context, signedTx *types.Transaction) error
GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error)
GetPoolTransactions() (types.Transactions, error)
@ -70,6 +72,13 @@ type Backend interface {
TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)
SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
// Filter API
BloomStatus() (uint64, uint64)
GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error)
ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
ChainConfig() *params.ChainConfig
CurrentBlock() *types.Block
}

26
internal/web3ext/web3ext.go
View file

@ -32,6 +32,7 @@ var Modules = map[string]string{
"shh": ShhJs,
"swarmfs": SwarmfsJs,
"txpool": TxpoolJs,
"les": LESJs,
}
const ChequebookJs = `
@ -760,3 +761,28 @@ web3._extend({
]
});
`
const LESJs = `
web3._extend({
property: 'les',
methods:
[
new web3._extend.Method({
name: 'getCheckpoint',
call: 'les_getCheckpoint',
params: 1
}),
],
properties:
[
new web3._extend.Property({
name: 'latestCheckpoint',
getter: 'les_latestCheckpoint'
}),
new web3._extend.Property({
name: 'checkpointContractAddress',
getter: 'les_getCheckpointContractAddress'
}),
]
});
`

474
les/api.go
View file

@ -17,456 +17,68 @@
package les
import (
"context"
"errors"
"fmt"
"sync"
"time"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/mclock"
"github.com/ethereum/go-ethereum/les/csvlogger"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/rpc"
)
var (
ErrMinCap = errors.New("capacity too small")
ErrTotalCap = errors.New("total capacity exceeded")
ErrUnknownBenchmarkType = errors.New("unknown benchmark type")
dropCapacityDelay = time.Second // delay applied to decreasing capacity changes
errNoCheckpoint = errors.New("no local checkpoint provided")
errNotActivated = errors.New("checkpoint registrar is not activated")
)
// PrivateLightServerAPI provides an API to access the LES light server.
// It offers only methods that operate on public data that is freely available to anyone.
type PrivateLightServerAPI struct {
server *LesServer
// PrivateLightAPI provides an API to access the LES light server or light client.
type PrivateLightAPI struct {
backend *lesCommons
reg *checkpointOracle
}
// NewPrivateLightServerAPI creates a new LES light server API.
func NewPrivateLightServerAPI(server *LesServer) *PrivateLightServerAPI {
return &PrivateLightServerAPI{
server: server,
// NewPrivateLightAPI creates a new LES service API.
func NewPrivateLightAPI(backend *lesCommons, reg *checkpointOracle) *PrivateLightAPI {
return &PrivateLightAPI{
backend: backend,
reg: reg,
}
}
// TotalCapacity queries total available capacity for all clients
func (api *PrivateLightServerAPI) TotalCapacity() hexutil.Uint64 {
return hexutil.Uint64(api.server.priorityClientPool.totalCapacity())
}
// SubscribeTotalCapacity subscribes to changed total capacity events.
// If onlyUnderrun is true then notification is sent only if the total capacity
// drops under the total capacity of connected priority clients.
// LatestCheckpoint returns the latest local checkpoint package.
//
// Note: actually applying decreasing total capacity values is delayed while the
// notification is sent instantly. This allows lowering the capacity of a priority client
// or choosing which one to drop before the system drops some of them automatically.
func (api *PrivateLightServerAPI) SubscribeTotalCapacity(ctx context.Context, onlyUnderrun bool) (*rpc.Subscription, error) {
notifier, supported := rpc.NotifierFromContext(ctx)
if !supported {
return &rpc.Subscription{}, rpc.ErrNotificationsUnsupported
// The checkpoint package consists of 4 strings:
// result[0], hex encoded latest section index
// result[1], 32 bytes hex encoded latest section head hash
// result[2], 32 bytes hex encoded latest section canonical hash trie root hash
// result[3], 32 bytes hex encoded latest section bloom trie root hash
func (api *PrivateLightAPI) LatestCheckpoint() ([4]string, error) {
var res [4]string
cp := api.backend.latestLocalCheckpoint()
if cp.Empty() {
return res, errNoCheckpoint
}
rpcSub := notifier.CreateSubscription()
api.server.priorityClientPool.subscribeTotalCapacity(&tcSubscription{notifier, rpcSub, onlyUnderrun})
return rpcSub, nil
res[0] = hexutil.EncodeUint64(cp.SectionIndex)
res[1], res[2], res[3] = cp.SectionHead.Hex(), cp.CHTRoot.Hex(), cp.BloomRoot.Hex()
return res, nil
}
type (
// tcSubscription represents a total capacity subscription
tcSubscription struct {
notifier *rpc.Notifier
rpcSub *rpc.Subscription
onlyUnderrun bool
}
tcSubs map[*tcSubscription]struct{}
)
// send sends a changed total capacity event to the subscribers
func (s tcSubs) send(tc uint64, underrun bool) {
for sub := range s {
select {
case <-sub.rpcSub.Err():
delete(s, sub)
case <-sub.notifier.Closed():
delete(s, sub)
default:
if underrun || !sub.onlyUnderrun {
sub.notifier.Notify(sub.rpcSub.ID, tc)
}
}
}
}
// MinimumCapacity queries minimum assignable capacity for a single client
func (api *PrivateLightServerAPI) MinimumCapacity() hexutil.Uint64 {
return hexutil.Uint64(api.server.minCapacity)
}
// FreeClientCapacity queries the capacity provided for free clients
func (api *PrivateLightServerAPI) FreeClientCapacity() hexutil.Uint64 {
return hexutil.Uint64(api.server.freeClientCap)
}
// SetClientCapacity sets the priority capacity assigned to a given client.
// If the assigned capacity is bigger than zero then connection is always
// guaranteed. The sum of capacity assigned to priority clients can not exceed
// the total available capacity.
// GetLocalCheckpoint returns the specific local checkpoint package.
//
// Note: assigned capacity can be changed while the client is connected with
// immediate effect.
func (api *PrivateLightServerAPI) SetClientCapacity(id enode.ID, cap uint64) error {
if cap != 0 && cap < api.server.minCapacity {
return ErrMinCap
// The checkpoint package consists of 3 strings:
// result[0], 32 bytes hex encoded latest section head hash
// result[1], 32 bytes hex encoded latest section canonical hash trie root hash
// result[2], 32 bytes hex encoded latest section bloom trie root hash
func (api *PrivateLightAPI) GetCheckpoint(index uint64) ([3]string, error) {
var res [3]string
cp := api.backend.getLocalCheckpoint(index)
if cp.Empty() {
return res, errNoCheckpoint
}
return api.server.priorityClientPool.setClientCapacity(id, cap)
res[0], res[1], res[2] = cp.SectionHead.Hex(), cp.CHTRoot.Hex(), cp.BloomRoot.Hex()
return res, nil
}
// GetClientCapacity returns the capacity assigned to a given client
func (api *PrivateLightServerAPI) GetClientCapacity(id enode.ID) hexutil.Uint64 {
api.server.priorityClientPool.lock.Lock()
defer api.server.priorityClientPool.lock.Unlock()
return hexutil.Uint64(api.server.priorityClientPool.clients[id].cap)
}
// clientPool is implemented by both the free and priority client pools
type clientPool interface {
peerSetNotify
setLimits(count int, totalCap uint64)
}
// priorityClientPool stores information about prioritized clients
type priorityClientPool struct {
lock sync.Mutex
child clientPool
ps *peerSet
clients map[enode.ID]priorityClientInfo
totalCap, totalCapAnnounced uint64
totalConnectedCap, freeClientCap uint64
maxPeers, priorityCount int
logger *csvlogger.Logger
logTotalPriConn *csvlogger.Channel
subs tcSubs
updateSchedule []scheduledUpdate
scheduleCounter uint64
}
// scheduledUpdate represents a delayed total capacity update
type scheduledUpdate struct {
time mclock.AbsTime
totalCap, id uint64
}
// priorityClientInfo entries exist for all prioritized clients and currently connected non-priority clients
type priorityClientInfo struct {
cap uint64 // zero for non-priority clients
connected bool
peer *peer
}
// newPriorityClientPool creates a new priority client pool
func newPriorityClientPool(freeClientCap uint64, ps *peerSet, child clientPool, metricsLogger, eventLogger *csvlogger.Logger) *priorityClientPool {
return &priorityClientPool{
clients: make(map[enode.ID]priorityClientInfo),
freeClientCap: freeClientCap,
ps: ps,
child: child,
logger: eventLogger,
logTotalPriConn: metricsLogger.NewChannel("totalPriConn", 0),
}
}
// registerPeer is called when a new client is connected. If the client has no
// priority assigned then it is passed to the child pool which may either keep it
// or disconnect it.
//
// Note: priorityClientPool also stores a record about free clients while they are
// connected in order to be able to assign priority to them later.
func (v *priorityClientPool) registerPeer(p *peer) {
v.lock.Lock()
defer v.lock.Unlock()
id := p.ID()
c := v.clients[id]
v.logger.Event(fmt.Sprintf("priorityClientPool: registerPeer cap=%d connected=%v, %x", c.cap, c.connected, id.Bytes()))
if c.connected {
return
}
if c.cap == 0 && v.child != nil {
v.child.registerPeer(p)
}
if c.cap != 0 && v.totalConnectedCap+c.cap > v.totalCap {
v.logger.Event(fmt.Sprintf("priorityClientPool: rejected, %x", id.Bytes()))
go v.ps.Unregister(p.id)
return
}
c.connected = true
c.peer = p
v.clients[id] = c
if c.cap != 0 {
v.priorityCount++
v.totalConnectedCap += c.cap
v.logger.Event(fmt.Sprintf("priorityClientPool: accepted with %d capacity, %x", c.cap, id.Bytes()))
v.logTotalPriConn.Update(float64(v.totalConnectedCap))
if v.child != nil {
v.child.setLimits(v.maxPeers-v.priorityCount, v.totalCap-v.totalConnectedCap)
}
p.updateCapacity(c.cap)
}
}
// unregisterPeer is called when a client is disconnected. If the client has no
// priority assigned then it is also removed from the child pool.
func (v *priorityClientPool) unregisterPeer(p *peer) {
v.lock.Lock()
defer v.lock.Unlock()
id := p.ID()
c := v.clients[id]
v.logger.Event(fmt.Sprintf("priorityClientPool: unregisterPeer cap=%d connected=%v, %x", c.cap, c.connected, id.Bytes()))
if !c.connected {
return
}
if c.cap != 0 {
c.connected = false
v.clients[id] = c
v.priorityCount--
v.totalConnectedCap -= c.cap
v.logTotalPriConn.Update(float64(v.totalConnectedCap))
if v.child != nil {
v.child.setLimits(v.maxPeers-v.priorityCount, v.totalCap-v.totalConnectedCap)
}
} else {
if v.child != nil {
v.child.unregisterPeer(p)
}
delete(v.clients, id)
}
}
// setLimits updates the allowed peer count and total capacity of the priority
// client pool. Since the free client pool is a child of the priority pool the
// remaining peer count and capacity is assigned to the free pool by calling its
// own setLimits function.
//
// Note: a decreasing change of the total capacity is applied with a delay.
func (v *priorityClientPool) setLimits(count int, totalCap uint64) {
v.lock.Lock()
defer v.lock.Unlock()
v.totalCapAnnounced = totalCap
if totalCap > v.totalCap {
v.setLimitsNow(count, totalCap)
v.subs.send(totalCap, false)
return
}
v.setLimitsNow(count, v.totalCap)
if totalCap < v.totalCap {
v.subs.send(totalCap, totalCap < v.totalConnectedCap)
for i, s := range v.updateSchedule {
if totalCap >= s.totalCap {
s.totalCap = totalCap
v.updateSchedule = v.updateSchedule[:i+1]
return
}
}
v.updateSchedule = append(v.updateSchedule, scheduledUpdate{time: mclock.Now() + mclock.AbsTime(dropCapacityDelay), totalCap: totalCap})
if len(v.updateSchedule) == 1 {
v.scheduleCounter++
id := v.scheduleCounter
v.updateSchedule[0].id = id
time.AfterFunc(dropCapacityDelay, func() { v.checkUpdate(id) })
}
} else {
v.updateSchedule = nil
}
}
// checkUpdate performs the next scheduled update if possible and schedules
// the one after that
func (v *priorityClientPool) checkUpdate(id uint64) {
v.lock.Lock()
defer v.lock.Unlock()
if len(v.updateSchedule) == 0 || v.updateSchedule[0].id != id {
return
}
v.setLimitsNow(v.maxPeers, v.updateSchedule[0].totalCap)
v.updateSchedule = v.updateSchedule[1:]
if len(v.updateSchedule) != 0 {
v.scheduleCounter++
id := v.scheduleCounter
v.updateSchedule[0].id = id
dt := time.Duration(v.updateSchedule[0].time - mclock.Now())
time.AfterFunc(dt, func() { v.checkUpdate(id) })
}
}
// setLimits updates the allowed peer count and total capacity immediately
func (v *priorityClientPool) setLimitsNow(count int, totalCap uint64) {
if v.priorityCount > count || v.totalConnectedCap > totalCap {
for id, c := range v.clients {
if c.connected {
v.logger.Event(fmt.Sprintf("priorityClientPool: setLimitsNow kicked out, %x", id.Bytes()))
c.connected = false
v.totalConnectedCap -= c.cap
v.logTotalPriConn.Update(float64(v.totalConnectedCap))
v.priorityCount--
v.clients[id] = c
go v.ps.Unregister(c.peer.id)
if v.priorityCount <= count && v.totalConnectedCap <= totalCap {
break
}
}
}
}
v.maxPeers = count
v.totalCap = totalCap
if v.child != nil {
v.child.setLimits(v.maxPeers-v.priorityCount, v.totalCap-v.totalConnectedCap)
}
}
// totalCapacity queries total available capacity for all clients
func (v *priorityClientPool) totalCapacity() uint64 {
v.lock.Lock()
defer v.lock.Unlock()
return v.totalCapAnnounced
}
// subscribeTotalCapacity subscribes to changed total capacity events
func (v *priorityClientPool) subscribeTotalCapacity(sub *tcSubscription) {
v.lock.Lock()
defer v.lock.Unlock()
v.subs[sub] = struct{}{}
}
// setClientCapacity sets the priority capacity assigned to a given client
func (v *priorityClientPool) setClientCapacity(id enode.ID, cap uint64) error {
v.lock.Lock()
defer v.lock.Unlock()
c := v.clients[id]
if c.cap == cap {
return nil
}
if c.connected {
if v.totalConnectedCap+cap > v.totalCap+c.cap {
return ErrTotalCap
}
if c.cap == 0 {
if v.child != nil {
v.child.unregisterPeer(c.peer)
}
v.priorityCount++
}
if cap == 0 {
v.priorityCount--
}
v.totalConnectedCap += cap - c.cap
v.logTotalPriConn.Update(float64(v.totalConnectedCap))
if v.child != nil {
v.child.setLimits(v.maxPeers-v.priorityCount, v.totalCap-v.totalConnectedCap)
}
if cap == 0 {
if v.child != nil {
v.child.registerPeer(c.peer)
}
c.peer.updateCapacity(v.freeClientCap)
} else {
c.peer.updateCapacity(cap)
}
}
if cap != 0 || c.connected {
c.cap = cap
v.clients[id] = c
} else {
delete(v.clients, id)
}
if c.connected {
v.logger.Event(fmt.Sprintf("priorityClientPool: changed capacity to %d, %x", cap, id.Bytes()))
}
return nil
}
// Benchmark runs a request performance benchmark with a given set of measurement setups
// in multiple passes specified by passCount. The measurement time for each setup in each
// pass is specified in milliseconds by length.
//
// Note: measurement time is adjusted for each pass depending on the previous ones.
// Therefore a controlled total measurement time is achievable in multiple passes.
func (api *PrivateLightServerAPI) Benchmark(setups []map[string]interface{}, passCount, length int) ([]map[string]interface{}, error) {
benchmarks := make([]requestBenchmark, len(setups))
for i, setup := range setups {
if t, ok := setup["type"].(string); ok {
getInt := func(field string, def int) int {
if value, ok := setup[field].(float64); ok {
return int(value)
}
return def
}
getBool := func(field string, def bool) bool {
if value, ok := setup[field].(bool); ok {
return value
}
return def
}
switch t {
case "header":
benchmarks[i] = &benchmarkBlockHeaders{
amount: getInt("amount", 1),
skip: getInt("skip", 1),
byHash: getBool("byHash", false),
reverse: getBool("reverse", false),
}
case "body":
benchmarks[i] = &benchmarkBodiesOrReceipts{receipts: false}
case "receipts":
benchmarks[i] = &benchmarkBodiesOrReceipts{receipts: true}
case "proof":
benchmarks[i] = &benchmarkProofsOrCode{code: false}
case "code":
benchmarks[i] = &benchmarkProofsOrCode{code: true}
case "cht":
benchmarks[i] = &benchmarkHelperTrie{
bloom: false,
reqCount: getInt("amount", 1),
}
case "bloom":
benchmarks[i] = &benchmarkHelperTrie{
bloom: true,
reqCount: getInt("amount", 1),
}
case "txSend":
benchmarks[i] = &benchmarkTxSend{}
case "txStatus":
benchmarks[i] = &benchmarkTxStatus{}
default:
return nil, ErrUnknownBenchmarkType
}
} else {
return nil, ErrUnknownBenchmarkType
}
}
rs := api.server.protocolManager.runBenchmark(benchmarks, passCount, time.Millisecond*time.Duration(length))
result := make([]map[string]interface{}, len(setups))
for i, r := range rs {
res := make(map[string]interface{})
if r.err == nil {
res["totalCount"] = r.totalCount
res["avgTime"] = r.avgTime
res["maxInSize"] = r.maxInSize
res["maxOutSize"] = r.maxOutSize
} else {
res["error"] = r.err.Error()
}
result[i] = res
}
return result, nil
// GetCheckpointContractAddress returns the contract contract address in hex format.
func (api *PrivateLightAPI) GetCheckpointContractAddress() (string, error) {
if api.reg == nil {
return "", errNotActivated
}
return api.reg.config.Address.Hex(), nil
}

82
les/backend.go
View file

@ -23,6 +23,7 @@ import (
"time"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/mclock"
@ -43,14 +44,13 @@ import (
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discv5"
"github.com/ethereum/go-ethereum/params"
rpc "github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/rpc"
)
type LightEthereum struct {
lesCommons
odr *LesOdr
relay *LesTxRelay
chainConfig *params.ChainConfig
// Channel for shutting down the service
shutdownChan chan bool
@ -62,6 +62,7 @@ type LightEthereum struct {
serverPool *serverPool
reqDist *requestDistributor
retriever *retrieveManager
relay *lesTxRelay
bloomRequests chan chan *bloombits.Retrieval // Channel receiving bloom data retrieval requests
bloomIndexer *core.ChainIndexer
@ -83,7 +84,7 @@ func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error) {
if err != nil {
return nil, err
}
chainConfig, genesisHash, genesisErr := core.SetupGenesisBlockWithOverride(chainDb, config.Genesis, config.ConstantinopleOverride)
chainConfig, genesisHash, genesisErr := core.SetupGenesisBlock(chainDb, config.Genesis)
if _, isCompat := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !isCompat {
return nil, genesisErr
}
@ -109,32 +110,22 @@ func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error) {
bloomRequests: make(chan chan *bloombits.Retrieval),
bloomIndexer: eth.NewBloomIndexer(chainDb, params.BloomBitsBlocksClient, params.HelperTrieConfirmations),
}
leth.ApiBackend = &LesApiBackend{ctx.ExtRPCEnabled(), leth, nil}
gpoParams := config.GPO
if gpoParams.Default == nil {
gpoParams.Default = config.Miner.GasPrice
}
leth.ApiBackend.gpo = gasprice.NewOracle(leth.ApiBackend, gpoParams)
leth.engine = eth.CreateConsensusEngine(ctx, chainConfig, &config.Ethash, nil, false, chainDb, ethapi.NewPublicBlockChainAPI(leth.ApiBackend))
var trustedNodes []string
if leth.config.ULC != nil {
trustedNodes = leth.config.ULC.TrustedServers
}
leth.serverPool = newServerPool(chainDb, quitSync, &leth.wg, trustedNodes)
leth.serverPool = newServerPool(chainDb, quitSync, &leth.wg, leth.config.UltraLightServers)
leth.retriever = newRetrieveManager(peers, leth.reqDist, leth.serverPool)
leth.relay = NewLesTxRelay(peers, leth.retriever)
leth.relay = newLesTxRelay(peers, leth.retriever)
leth.odr = NewLesOdr(chainDb, light.DefaultClientIndexerConfig, leth.retriever)
leth.chtIndexer = light.NewChtIndexer(chainDb, leth.odr, params.CHTFrequency, params.HelperTrieConfirmations)
leth.bloomTrieIndexer = light.NewBloomTrieIndexer(chainDb, leth.odr, params.BloomBitsBlocksClient, params.BloomTrieFrequency)
leth.odr.SetIndexers(leth.chtIndexer, leth.bloomTrieIndexer, leth.bloomIndexer)
checkpoint := config.Checkpoint
if checkpoint == nil {
checkpoint = params.TrustedCheckpoints[genesisHash]
}
// Note: NewLightChain adds the trusted checkpoint so it needs an ODR with
// indexers already set but not started yet
if leth.blockchain, err = light.NewLightChain(leth.odr, leth.chainConfig, leth.engine); err != nil {
if leth.blockchain, err = light.NewLightChain(leth.odr, leth.chainConfig, leth.engine, checkpoint); err != nil {
return nil, err
}
// Note: AddChildIndexer starts the update process for the child
@ -150,33 +141,26 @@ func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error) {
}
leth.txPool = light.NewTxPool(leth.chainConfig, leth.blockchain, leth.relay)
leth.ApiBackend = &LesApiBackend{ctx.ExtRPCEnabled(), leth, nil}
if leth.protocolManager, err = NewProtocolManager(
leth.chainConfig,
light.DefaultClientIndexerConfig,
true,
config.NetworkId,
leth.eventMux,
leth.engine,
leth.peers,
leth.blockchain,
nil,
chainDb,
leth.odr,
leth.relay,
leth.serverPool,
quitSync,
&leth.wg,
config.ULC,
nil); err != nil {
gpoParams := config.GPO
if gpoParams.Default == nil {
gpoParams.Default = config.Miner.GasPrice
}
leth.ApiBackend.gpo = gasprice.NewOracle(leth.ApiBackend, gpoParams)
oracle := config.CheckpointOracle
if oracle == nil {
oracle = params.CheckpointOracles[genesisHash]
}
registrar := newCheckpointOracle(oracle, leth.getLocalCheckpoint)
if leth.protocolManager, err = NewProtocolManager(leth.chainConfig, checkpoint, light.DefaultClientIndexerConfig, config.UltraLightServers, config.UltraLightFraction, true, config.NetworkId, leth.eventMux, leth.peers, leth.blockchain, nil, chainDb, leth.odr, leth.serverPool, registrar, quitSync, &leth.wg, nil); err != nil {
return nil, err
}
if leth.protocolManager.isULCEnabled() {
log.Warn("Ultra light client is enabled", "trustedNodes", len(leth.protocolManager.ulc.trustedKeys), "minTrustedFraction", leth.protocolManager.ulc.minTrustedFraction)
if leth.protocolManager.ulc != nil {
log.Warn("Ultra light client is enabled", "servers", len(config.UltraLightServers), "fraction", config.UltraLightFraction)
leth.blockchain.DisableCheckFreq()
}
return leth, nil
}
@ -237,6 +221,11 @@ func (s *LightEthereum) APIs() []rpc.API {
Version: "1.0",
Service: s.netRPCService,
Public: true,
}, {
Namespace: "les",
Version: "1.0",
Service: NewPrivateLightAPI(&s.lesCommons, s.protocolManager.reg),
Public: false,
},
}...)
}
@ -291,3 +280,12 @@ func (s *LightEthereum) Stop() error {
return nil
}
// SetClient sets the rpc client and binds the registrar contract.
func (s *LightEthereum) SetContractBackend(backend bind.ContractBackend) {
// Short circuit if registrar is nil
if s.protocolManager.reg == nil {
return
}
s.protocolManager.reg.start(backend)
}

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