This commit is contained in:
gary rong 2017-07-11 11:43:42 +00:00 committed by GitHub
commit c3ff57e94b
17 changed files with 223 additions and 65 deletions

View file

@ -167,7 +167,7 @@ func (b *SimulatedBackend) CallContract(ctx context.Context, call ethereum.CallM
if err != nil { if err != nil {
return nil, err return nil, err
} }
rval, _, err := b.callContract(ctx, call, b.blockchain.CurrentBlock(), state) rval, _, _, err := b.callContract(ctx, call, b.blockchain.CurrentBlock(), state)
return rval, err return rval, err
} }
@ -177,7 +177,7 @@ func (b *SimulatedBackend) PendingCallContract(ctx context.Context, call ethereu
defer b.mu.Unlock() defer b.mu.Unlock()
defer b.pendingState.RevertToSnapshot(b.pendingState.Snapshot()) defer b.pendingState.RevertToSnapshot(b.pendingState.Snapshot())
rval, _, err := b.callContract(ctx, call, b.pendingBlock, b.pendingState) rval, _, _, err := b.callContract(ctx, call, b.pendingBlock, b.pendingState)
return rval, err return rval, err
} }
@ -215,11 +215,11 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
call.Gas = new(big.Int).SetUint64(mid) call.Gas = new(big.Int).SetUint64(mid)
snapshot := b.pendingState.Snapshot() snapshot := b.pendingState.Snapshot()
_, gas, err := b.callContract(ctx, call, b.pendingBlock, b.pendingState) _, _, failed, err := b.callContract(ctx, call, b.pendingBlock, b.pendingState)
b.pendingState.RevertToSnapshot(snapshot) b.pendingState.RevertToSnapshot(snapshot)
// If the transaction became invalid or used all the gas (failed), raise the gas limit // If the transaction became invalid or failed, raise the gas limit
if err != nil || gas.Cmp(call.Gas) == 0 { if err != nil || failed {
lo = mid lo = mid
continue continue
} }
@ -231,7 +231,7 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
// callContract implemens common code between normal and pending contract calls. // callContract implemens common code between normal and pending contract calls.
// state is modified during execution, make sure to copy it if necessary. // state is modified during execution, make sure to copy it if necessary.
func (b *SimulatedBackend) callContract(ctx context.Context, call ethereum.CallMsg, block *types.Block, statedb *state.StateDB) ([]byte, *big.Int, error) { func (b *SimulatedBackend) callContract(ctx context.Context, call ethereum.CallMsg, block *types.Block, statedb *state.StateDB) ([]byte, *big.Int, bool, error) {
// Ensure message is initialized properly. // Ensure message is initialized properly.
if call.GasPrice == nil { if call.GasPrice == nil {
call.GasPrice = big.NewInt(1) call.GasPrice = big.NewInt(1)
@ -253,8 +253,8 @@ func (b *SimulatedBackend) callContract(ctx context.Context, call ethereum.CallM
// about the transaction and calling mechanisms. // about the transaction and calling mechanisms.
vmenv := vm.NewEVM(evmContext, statedb, b.config, vm.Config{}) vmenv := vm.NewEVM(evmContext, statedb, b.config, vm.Config{})
gaspool := new(core.GasPool).AddGas(math.MaxBig256) gaspool := new(core.GasPool).AddGas(math.MaxBig256)
ret, gasUsed, _, err := core.NewStateTransition(vmenv, msg, gaspool).TransitionDb() ret, gasUsed, _, failed, err := core.NewStateTransition(vmenv, msg, gaspool).TransitionDb()
return ret, gasUsed, err return ret, gasUsed, failed, err
} }
// SendTransaction updates the pending block to include the given transaction. // SendTransaction updates the pending block to include the given transaction.

View file

@ -178,12 +178,12 @@ func runCmd(ctx *cli.Context) error {
var leftOverGas uint64 var leftOverGas uint64
if ctx.GlobalBool(CreateFlag.Name) { if ctx.GlobalBool(CreateFlag.Name) {
input := append(code, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name))...) input := append(code, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name))...)
ret, _, leftOverGas, err = runtime.Create(input, &runtimeConfig) ret, _, leftOverGas, _, err = runtime.Create(input, &runtimeConfig)
} else { } else {
receiver := common.StringToAddress("receiver") receiver := common.StringToAddress("receiver")
statedb.SetCode(receiver, code) statedb.SetCode(receiver, code)
ret, leftOverGas, err = runtime.Call(receiver, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name)), &runtimeConfig) ret, leftOverGas, _, err = runtime.Call(receiver, common.Hex2Bytes(ctx.GlobalString(InputFlag.Name)), &runtimeConfig)
} }
execTime := time.Since(tstart) execTime := time.Since(tstart)

View file

@ -98,7 +98,7 @@ func ApplyTransaction(config *params.ChainConfig, bc *BlockChain, author *common
// about the transaction and calling mechanisms. // about the transaction and calling mechanisms.
vmenv := vm.NewEVM(context, statedb, config, cfg) vmenv := vm.NewEVM(context, statedb, config, cfg)
// Apply the transaction to the current state (included in the env) // Apply the transaction to the current state (included in the env)
_, gas, err := ApplyMessage(vmenv, msg, gp) _, gas, _, err := ApplyMessage(vmenv, msg, gp)
if err != nil { if err != nil {
return nil, nil, err return nil, nil, err
} }

View file

@ -127,11 +127,11 @@ func NewStateTransition(evm *vm.EVM, msg Message, gp *GasPool) *StateTransition
// the gas used (which includes gas refunds) and an error if it failed. An error always // the gas used (which includes gas refunds) and an error if it failed. An error always
// indicates a core error meaning that the message would always fail for that particular // indicates a core error meaning that the message would always fail for that particular
// state and would never be accepted within a block. // state and would never be accepted within a block.
func ApplyMessage(evm *vm.EVM, msg Message, gp *GasPool) ([]byte, *big.Int, error) { func ApplyMessage(evm *vm.EVM, msg Message, gp *GasPool) ([]byte, *big.Int, bool, error) {
st := NewStateTransition(evm, msg, gp) st := NewStateTransition(evm, msg, gp)
ret, _, gasUsed, err := st.TransitionDb() ret, _, gasUsed, failed, err := st.TransitionDb()
return ret, gasUsed, err return ret, gasUsed, failed, err
} }
func (st *StateTransition) from() vm.AccountRef { func (st *StateTransition) from() vm.AccountRef {
@ -208,7 +208,7 @@ func (st *StateTransition) preCheck() error {
// TransitionDb will transition the state by applying the current message and returning the result // TransitionDb will transition the state by applying the current message and returning the result
// including the required gas for the operation as well as the used gas. It returns an error if it // including the required gas for the operation as well as the used gas. It returns an error if it
// failed. An error indicates a consensus issue. // failed. An error indicates a consensus issue.
func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big.Int, err error) { func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big.Int, failed bool, err error) {
if err = st.preCheck(); err != nil { if err = st.preCheck(); err != nil {
return return
} }
@ -222,10 +222,10 @@ func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big
// TODO convert to uint64 // TODO convert to uint64
intrinsicGas := IntrinsicGas(st.data, contractCreation, homestead) intrinsicGas := IntrinsicGas(st.data, contractCreation, homestead)
if intrinsicGas.BitLen() > 64 { if intrinsicGas.BitLen() > 64 {
return nil, nil, nil, vm.ErrOutOfGas return nil, nil, nil, false, vm.ErrOutOfGas
} }
if err = st.useGas(intrinsicGas.Uint64()); err != nil { if err = st.useGas(intrinsicGas.Uint64()); err != nil {
return nil, nil, nil, err return nil, nil, nil, false, err
} }
var ( var (
@ -236,11 +236,11 @@ func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big
vmerr error vmerr error
) )
if contractCreation { if contractCreation {
ret, _, st.gas, vmerr = evm.Create(sender, st.data, st.gas, st.value) ret, _, st.gas, failed, vmerr = evm.Create(sender, st.data, st.gas, st.value)
} else { } else {
// Increment the nonce for the next transaction // Increment the nonce for the next transaction
st.state.SetNonce(sender.Address(), st.state.GetNonce(sender.Address())+1) st.state.SetNonce(sender.Address(), st.state.GetNonce(sender.Address())+1)
ret, st.gas, vmerr = evm.Call(sender, st.to().Address(), st.data, st.gas, st.value) ret, st.gas, failed, vmerr = evm.Call(sender, st.to().Address(), st.data, st.gas, st.value)
} }
if vmerr != nil { if vmerr != nil {
log.Debug("VM returned with error", "err", vmerr) log.Debug("VM returned with error", "err", vmerr)
@ -248,7 +248,7 @@ func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big
// sufficient balance to make the transfer happen. The first // sufficient balance to make the transfer happen. The first
// balance transfer may never fail. // balance transfer may never fail.
if vmerr == vm.ErrInsufficientBalance { if vmerr == vm.ErrInsufficientBalance {
return nil, nil, nil, vmerr return nil, nil, nil, false, vmerr
} }
} }
requiredGas = new(big.Int).Set(st.gasUsed()) requiredGas = new(big.Int).Set(st.gasUsed())
@ -256,7 +256,7 @@ func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big
st.refundGas() st.refundGas()
st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(st.gasUsed(), st.gasPrice)) st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(st.gasUsed(), st.gasPrice))
return ret, requiredGas, st.gasUsed(), err return ret, requiredGas, st.gasUsed(), failed, err
} }
func (st *StateTransition) refundGas() { func (st *StateTransition) refundGas() {

View file

@ -62,6 +62,7 @@ type Contract struct {
Args []byte Args []byte
DelegateCall bool DelegateCall bool
Failed bool // Used to identify the execution status of the current transaction
} }
// NewContract returns a new contract environment for the execution of EVM. // NewContract returns a new contract environment for the execution of EVM.
@ -151,3 +152,12 @@ func (self *Contract) SetCallCode(addr *common.Address, hash common.Hash, code [
self.CodeHash = hash self.CodeHash = hash
self.CodeAddr = addr self.CodeAddr = addr
} }
// MarkFailed mark current transaction's execution failed.
func (self *Contract) MarkFailed() {
self.Failed = true
// affect parent recursively
if parent, ok := self.caller.(*Contract); ok {
parent.MarkFailed()
}
}

View file

@ -124,18 +124,18 @@ func (evm *EVM) Cancel() {
// Call executes the contract associated with the addr with the given input as parameters. It also handles any // Call executes the contract associated with the addr with the given input as parameters. It also handles any
// necessary value transfer required and takes the necessary steps to create accounts and reverses the state in // necessary value transfer required and takes the necessary steps to create accounts and reverses the state in
// case of an execution error or failed value transfer. // case of an execution error or failed value transfer.
func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) { func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, failed bool, err error) {
if evm.vmConfig.NoRecursion && evm.depth > 0 { if evm.vmConfig.NoRecursion && evm.depth > 0 {
return nil, gas, nil return nil, gas, false, nil
} }
// Depth check execution. Fail if we're trying to execute above the // Depth check execution. Fail if we're trying to execute above the
// limit. // limit.
if evm.depth > int(params.CallCreateDepth) { if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth return nil, gas, false, ErrDepth
} }
if !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) { if !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
return nil, gas, ErrInsufficientBalance return nil, gas, false, ErrInsufficientBalance
} }
var ( var (
@ -144,7 +144,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
) )
if !evm.StateDB.Exist(addr) { if !evm.StateDB.Exist(addr) {
if PrecompiledContracts[addr] == nil && evm.ChainConfig().IsEIP158(evm.BlockNumber) && value.Sign() == 0 { if PrecompiledContracts[addr] == nil && evm.ChainConfig().IsEIP158(evm.BlockNumber) && value.Sign() == 0 {
return nil, gas, nil return nil, gas, false, nil
} }
evm.StateDB.CreateAccount(addr) evm.StateDB.CreateAccount(addr)
@ -164,8 +164,9 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
if err != nil { if err != nil {
contract.UseGas(contract.Gas) contract.UseGas(contract.Gas)
evm.StateDB.RevertToSnapshot(snapshot) evm.StateDB.RevertToSnapshot(snapshot)
contract.MarkFailed()
} }
return ret, contract.Gas, err return ret, contract.Gas, contract.Failed, err
} }
// CallCode executes the contract associated with the addr with the given input as parameters. It also handles any // CallCode executes the contract associated with the addr with the given input as parameters. It also handles any
@ -201,6 +202,7 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
if err != nil { if err != nil {
contract.UseGas(contract.Gas) contract.UseGas(contract.Gas)
evm.StateDB.RevertToSnapshot(snapshot) evm.StateDB.RevertToSnapshot(snapshot)
contract.MarkFailed()
} }
return ret, contract.Gas, err return ret, contract.Gas, err
@ -235,24 +237,25 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
if err != nil { if err != nil {
contract.UseGas(contract.Gas) contract.UseGas(contract.Gas)
evm.StateDB.RevertToSnapshot(snapshot) evm.StateDB.RevertToSnapshot(snapshot)
contract.MarkFailed()
} }
return ret, contract.Gas, err return ret, contract.Gas, err
} }
// Create creates a new contract using code as deployment code. // Create creates a new contract using code as deployment code.
func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) { func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, failed bool, err error) {
if evm.vmConfig.NoRecursion && evm.depth > 0 { if evm.vmConfig.NoRecursion && evm.depth > 0 {
return nil, common.Address{}, gas, nil return nil, common.Address{}, gas, false, nil
} }
// Depth check execution. Fail if we're trying to execute above the // Depth check execution. Fail if we're trying to execute above the
// limit. // limit.
if evm.depth > int(params.CallCreateDepth) { if evm.depth > int(params.CallCreateDepth) {
return nil, common.Address{}, gas, ErrDepth return nil, common.Address{}, gas, false, ErrDepth
} }
if !evm.CanTransfer(evm.StateDB, caller.Address(), value) { if !evm.CanTransfer(evm.StateDB, caller.Address(), value) {
return nil, common.Address{}, gas, ErrInsufficientBalance return nil, common.Address{}, gas, false, ErrInsufficientBalance
} }
// Create a new account on the state // Create a new account on the state
@ -297,6 +300,11 @@ func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.I
contract.UseGas(contract.Gas) contract.UseGas(contract.Gas)
evm.StateDB.RevertToSnapshot(snapshot) evm.StateDB.RevertToSnapshot(snapshot)
} }
// When the virtual machine returns an error or stores an excessive contract code,
// the execution of the transaction is marked as failed.
if maxCodeSizeExceeded || err != nil {
contract.MarkFailed()
}
// If the vm returned with an error the return value should be set to nil. // If the vm returned with an error the return value should be set to nil.
// This isn't consensus critical but merely to for behaviour reasons such as // This isn't consensus critical but merely to for behaviour reasons such as
// tests, RPC calls, etc. // tests, RPC calls, etc.
@ -304,7 +312,7 @@ func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.I
ret = nil ret = nil
} }
return ret, contractAddr, contract.Gas, err return ret, contractAddr, contract.Gas, contract.Failed, err
} }
// ChainConfig returns the evmironment's chain configuration // ChainConfig returns the evmironment's chain configuration

View file

@ -551,7 +551,8 @@ func opCreate(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *S
} }
contract.UseGas(gas) contract.UseGas(gas)
_, addr, returnGas, suberr := evm.Create(contract, input, gas, value) // ignore failed flag here since it is only useful in vm entrance.
_, addr, returnGas, _, suberr := evm.Create(contract, input, gas, value)
// Push item on the stack based on the returned error. If the ruleset is // Push item on the stack based on the returned error. If the ruleset is
// homestead we must check for CodeStoreOutOfGasError (homestead only // homestead we must check for CodeStoreOutOfGasError (homestead only
// rule) and treat as an error, if the ruleset is frontier we must // rule) and treat as an error, if the ruleset is frontier we must
@ -588,8 +589,8 @@ func opCall(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
if value.Sign() != 0 { if value.Sign() != 0 {
gas += params.CallStipend gas += params.CallStipend
} }
// ignore failed flag here, same with opCreate.
ret, returnGas, err := evm.Call(contract, address, args, gas, value) ret, returnGas, _, err := evm.Call(contract, address, args, gas, value)
if err != nil { if err != nil {
stack.push(new(big.Int)) stack.push(new(big.Int))
} else { } else {

View file

@ -23,7 +23,7 @@ package runtime
// This returns 1 for valid parsable/runable code, 0 // This returns 1 for valid parsable/runable code, 0
// for invalid opcode. // for invalid opcode.
func Fuzz(input []byte) int { func Fuzz(input []byte) int {
_, _, err := Execute(input, input, &Config{ _, _, _, err := Execute(input, input, &Config{
GasLimit: 3000000, GasLimit: 3000000,
}) })

View file

@ -94,7 +94,7 @@ func setDefaults(cfg *Config) {
// Executes sets up a in memory, temporarily, environment for the execution of // Executes sets up a in memory, temporarily, environment for the execution of
// the given code. It enabled the JIT by default and make sure that it's restored // the given code. It enabled the JIT by default and make sure that it's restored
// to it's original state afterwards. // to it's original state afterwards.
func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) { func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, bool, error) {
if cfg == nil { if cfg == nil {
cfg = new(Config) cfg = new(Config)
} }
@ -113,7 +113,7 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
// set the receiver's (the executing contract) code for execution. // set the receiver's (the executing contract) code for execution.
cfg.State.SetCode(address, code) cfg.State.SetCode(address, code)
// Call the code with the given configuration. // Call the code with the given configuration.
ret, _, err := vmenv.Call( ret, _, failed, err := vmenv.Call(
sender, sender,
common.StringToAddress("contract"), common.StringToAddress("contract"),
input, input,
@ -121,11 +121,11 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
cfg.Value, cfg.Value,
) )
return ret, cfg.State, err return ret, cfg.State, failed, err
} }
// Create executes the code using the EVM create method // Create executes the code using the EVM create method
func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) { func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, bool, error) {
if cfg == nil { if cfg == nil {
cfg = new(Config) cfg = new(Config)
} }
@ -141,13 +141,13 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
) )
// Call the code with the given configuration. // Call the code with the given configuration.
code, address, leftOverGas, err := vmenv.Create( code, address, leftOverGas, failed, err := vmenv.Create(
sender, sender,
input, input,
cfg.GasLimit, cfg.GasLimit,
cfg.Value, cfg.Value,
) )
return code, address, leftOverGas, err return code, address, leftOverGas, failed, err
} }
// Call executes the code given by the contract's address. It will return the // Call executes the code given by the contract's address. It will return the
@ -155,14 +155,14 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
// //
// Call, unlike Execute, requires a config and also requires the State field to // Call, unlike Execute, requires a config and also requires the State field to
// be set. // be set.
func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, error) { func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, bool, error) {
setDefaults(cfg) setDefaults(cfg)
vmenv := NewEnv(cfg, cfg.State) vmenv := NewEnv(cfg, cfg.State)
sender := cfg.State.GetOrNewStateObject(cfg.Origin) sender := cfg.State.GetOrNewStateObject(cfg.Origin)
// Call the code with the given configuration. // Call the code with the given configuration.
ret, leftOverGas, err := vmenv.Call( ret, leftOverGas, failed, err := vmenv.Call(
sender, sender,
address, address,
input, input,
@ -170,5 +170,5 @@ func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, er
cfg.Value, cfg.Value,
) )
return ret, leftOverGas, err return ret, leftOverGas, failed, err
} }

View file

@ -24,7 +24,7 @@ import (
) )
func ExampleExecute() { func ExampleExecute() {
ret, _, err := runtime.Execute(common.Hex2Bytes("6060604052600a8060106000396000f360606040526008565b00"), nil, nil) ret, _, _, err := runtime.Execute(common.Hex2Bytes("6060604052600a8060106000396000f360606040526008565b00"), nil, nil)
if err != nil { if err != nil {
fmt.Println(err) fmt.Println(err)
} }

View file

@ -75,7 +75,7 @@ func TestEVM(t *testing.T) {
} }
func TestExecute(t *testing.T) { func TestExecute(t *testing.T) {
ret, _, err := Execute([]byte{ ret, _, _, err := Execute([]byte{
byte(vm.PUSH1), 10, byte(vm.PUSH1), 10,
byte(vm.PUSH1), 0, byte(vm.PUSH1), 0,
byte(vm.MSTORE), byte(vm.MSTORE),
@ -106,7 +106,7 @@ func TestCall(t *testing.T) {
byte(vm.RETURN), byte(vm.RETURN),
}) })
ret, _, err := Call(address, nil, &Config{State: state}) ret, _, _, err := Call(address, nil, &Config{State: state})
if err != nil { if err != nil {
t.Fatal("didn't expect error", err) t.Fatal("didn't expect error", err)
} }
@ -117,6 +117,143 @@ func TestCall(t *testing.T) {
} }
} }
func TestTransactionReverted(t *testing.T) {
/*
Contract Source Code
```
contract Demo {
function Demo() {}
function IllegalDivision() returns(int) {
var dividend = 0;
return 1 / dividend;
}
function LegalDivision() returns(int) {
var dividend = 1;
return 1 / dividend;
}
}
```
*/
var definition = `[{"constant":false,"inputs":[],"name":"LegalDivision","outputs":[{"name":"","type":"int256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"IllegalDivision","outputs":[{"name":"","type":"int256"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"}]`
var rawcode = common.Hex2Bytes("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")
abi, err := abi.JSON(strings.NewReader(definition))
if err != nil {
t.Fatal(err)
}
legalDivision, err := abi.Pack("LegalDivision")
if err != nil {
t.Fatal(err)
}
illegalDivision, err := abi.Pack("IllegalDivision")
if err != nil {
t.Fatal(err)
}
var failed bool
// deploy
cfg := &Config{
Origin: common.HexToAddress("sender"),
}
code, _, _, _, err := Create(rawcode, cfg)
if err != nil {
t.Fatal(err)
}
_, _, failed, _ = Execute(code, legalDivision, cfg)
if failed != false {
t.Fatal("Expect false, got true")
}
_, _, failed, _ = Execute(code, illegalDivision, cfg)
if failed != true {
t.Fatal("Expect true, got false")
}
}
func TestDelegateReverted(t *testing.T) {
/*
Contract Source Code
```
contract Relay {
address public currentVersion;
address public owner;
modifier onlyOwner() {
if (msg.sender != owner) {
throw;
}
_;
}
function Relay(address _address) {
currentVersion = _address;
owner = msg.sender;
}
function changeContract(address newVersion) public
onlyOwner()
{
currentVersion = newVersion;
}
function() {
if(!currentVersion.delegatecall(msg.data)) throw;
}
}
contract Demo {
function Demo() {
}
function IllegalDivision() returns(int) {
var dividend = 0;
return 1 / dividend;
}
function LegalDivision() returns(int) {
var dividend = 1;
return 1 / dividend;
}
}
```
*/
var definition = `[{"constant":false,"inputs":[],"name":"LegalDivision","outputs":[{"name":"","type":"int256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"IllegalDivision","outputs":[{"name":"","type":"int256"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"}]`
var rawcode1 = common.Hex2Bytes("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")
var rawcode2 = common.Hex2Bytes("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")
abi, err := abi.JSON(strings.NewReader(definition))
if err != nil {
t.Fatal(err)
}
legalDivision, err := abi.Pack("LegalDivision")
if err != nil {
t.Fatal(err)
}
illegalDivision, err := abi.Pack("IllegalDivision")
if err != nil {
t.Fatal(err)
}
var failed bool
// deploy
cfg := &Config{
Origin: common.HexToAddress("sender"),
}
_, addr, _, _, err := Create(rawcode1, cfg)
if err != nil {
t.Fatal(err)
}
_, addr2, _, _, err := Create(append(rawcode2, common.LeftPadBytes(addr.Bytes(), 32)...), cfg)
if err != nil {
t.Fatal(err)
}
_, _, failed, _ = Call(addr2, legalDivision, cfg)
if failed != false {
t.Fatal("Expect false, got true")
}
_, _, failed, _ = Call(addr2, illegalDivision, cfg)
if failed != true {
t.Fatal("Expect true, got false")
}
}
func BenchmarkCall(b *testing.B) { func BenchmarkCall(b *testing.B) {
var definition = `[{"constant":true,"inputs":[],"name":"seller","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"abort","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[],"name":"refund","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"buyer","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmReceived","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmPurchase","outputs":[],"type":"function"},{"inputs":[],"type":"constructor"},{"anonymous":false,"inputs":[],"name":"Aborted","type":"event"},{"anonymous":false,"inputs":[],"name":"PurchaseConfirmed","type":"event"},{"anonymous":false,"inputs":[],"name":"ItemReceived","type":"event"},{"anonymous":false,"inputs":[],"name":"Refunded","type":"event"}]` var definition = `[{"constant":true,"inputs":[],"name":"seller","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"abort","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[],"name":"refund","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"buyer","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmReceived","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmPurchase","outputs":[],"type":"function"},{"inputs":[],"type":"constructor"},{"anonymous":false,"inputs":[],"name":"Aborted","type":"event"},{"anonymous":false,"inputs":[],"name":"PurchaseConfirmed","type":"event"},{"anonymous":false,"inputs":[],"name":"ItemReceived","type":"event"},{"anonymous":false,"inputs":[],"name":"Refunded","type":"event"}]`

View file

@ -543,7 +543,7 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, txHash common.
// Run the transaction with tracing enabled. // Run the transaction with tracing enabled.
vmenv := vm.NewEVM(context, statedb, api.config, vm.Config{Debug: true, Tracer: tracer}) vmenv := vm.NewEVM(context, statedb, api.config, vm.Config{Debug: true, Tracer: tracer})
ret, gas, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())) ret, gas, failed, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas()))
if err != nil { if err != nil {
return nil, fmt.Errorf("tracing failed: %v", err) return nil, fmt.Errorf("tracing failed: %v", err)
} }
@ -553,6 +553,7 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, txHash common.
Gas: gas, Gas: gas,
ReturnValue: fmt.Sprintf("%x", ret), ReturnValue: fmt.Sprintf("%x", ret),
StructLogs: ethapi.FormatLogs(tracer.StructLogs()), StructLogs: ethapi.FormatLogs(tracer.StructLogs()),
Failed: failed,
}, nil }, nil
case *ethapi.JavascriptTracer: case *ethapi.JavascriptTracer:
return tracer.GetResult() return tracer.GetResult()
@ -590,7 +591,7 @@ func (api *PrivateDebugAPI) computeTxEnv(blockHash common.Hash, txIndex int) (co
vmenv := vm.NewEVM(context, statedb, api.config, vm.Config{}) vmenv := vm.NewEVM(context, statedb, api.config, vm.Config{})
gp := new(core.GasPool).AddGas(tx.Gas()) gp := new(core.GasPool).AddGas(tx.Gas())
_, _, err := core.ApplyMessage(vmenv, msg, gp) _, _, _, err := core.ApplyMessage(vmenv, msg, gp)
if err != nil { if err != nil {
return nil, vm.Context{}, nil, fmt.Errorf("tx %x failed: %v", tx.Hash(), err) return nil, vm.Context{}, nil, fmt.Errorf("tx %x failed: %v", tx.Hash(), err)
} }

View file

@ -580,12 +580,12 @@ type CallArgs struct {
Data hexutil.Bytes `json:"data"` Data hexutil.Bytes `json:"data"`
} }
func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber, vmCfg vm.Config) ([]byte, *big.Int, error) { func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber, vmCfg vm.Config) ([]byte, *big.Int, bool, error) {
defer func(start time.Time) { log.Debug("Executing EVM call finished", "runtime", time.Since(start)) }(time.Now()) defer func(start time.Time) { log.Debug("Executing EVM call finished", "runtime", time.Since(start)) }(time.Now())
state, header, err := s.b.StateAndHeaderByNumber(ctx, blockNr) state, header, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
if state == nil || err != nil { if state == nil || err != nil {
return nil, common.Big0, err return nil, common.Big0, false, err
} }
// Set sender address or use a default if none specified // Set sender address or use a default if none specified
addr := args.From addr := args.From
@ -623,7 +623,7 @@ func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr
// Get a new instance of the EVM. // Get a new instance of the EVM.
evm, vmError, err := s.b.GetEVM(ctx, msg, state, header, vmCfg) evm, vmError, err := s.b.GetEVM(ctx, msg, state, header, vmCfg)
if err != nil { if err != nil {
return nil, common.Big0, err return nil, common.Big0, false, err
} }
// Wait for the context to be done and cancel the evm. Even if the // Wait for the context to be done and cancel the evm. Even if the
// EVM has finished, cancelling may be done (repeatedly) // EVM has finished, cancelling may be done (repeatedly)
@ -637,17 +637,17 @@ func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr
// Setup the gas pool (also for unmetered requests) // Setup the gas pool (also for unmetered requests)
// and apply the message. // and apply the message.
gp := new(core.GasPool).AddGas(math.MaxBig256) gp := new(core.GasPool).AddGas(math.MaxBig256)
res, gas, err := core.ApplyMessage(evm, msg, gp) res, gas, failed, err := core.ApplyMessage(evm, msg, gp)
if err := vmError(); err != nil { if err := vmError(); err != nil {
return nil, common.Big0, err return nil, common.Big0, false, err
} }
return res, gas, err return res, gas, failed, err
} }
// Call executes the given transaction on the state for the given block number. // Call executes the given transaction on the state for the given block number.
// It doesn't make and changes in the state/blockchain and is useful to execute and retrieve values. // It doesn't make and changes in the state/blockchain and is useful to execute and retrieve values.
func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (hexutil.Bytes, error) { func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (hexutil.Bytes, error) {
result, _, err := s.doCall(ctx, args, blockNr, vm.Config{DisableGasMetering: true}) result, _, _, err := s.doCall(ctx, args, blockNr, vm.Config{DisableGasMetering: true})
return (hexutil.Bytes)(result), err return (hexutil.Bytes)(result), err
} }
@ -670,10 +670,10 @@ func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs) (*
mid := (hi + lo) / 2 mid := (hi + lo) / 2
(*big.Int)(&args.Gas).SetUint64(mid) (*big.Int)(&args.Gas).SetUint64(mid)
_, gas, err := s.doCall(ctx, args, rpc.PendingBlockNumber, vm.Config{}) _, _, failed, err := s.doCall(ctx, args, rpc.PendingBlockNumber, vm.Config{})
// If the transaction became invalid or used all the gas (failed), raise the gas limit // If the transaction became invalid or failed, raise the gas limit
if err != nil || gas.Cmp((*big.Int)(&args.Gas)) == 0 { if err != nil || failed {
lo = mid lo = mid
continue continue
} }
@ -690,6 +690,7 @@ type ExecutionResult struct {
Gas *big.Int `json:"gas"` Gas *big.Int `json:"gas"`
ReturnValue string `json:"returnValue"` ReturnValue string `json:"returnValue"`
StructLogs []StructLogRes `json:"structLogs"` StructLogs []StructLogRes `json:"structLogs"`
Failed bool `json:"failed"`
} }
// StructLogRes stores a structured log emitted by the EVM while replaying a // StructLogRes stores a structured log emitted by the EVM while replaying a

View file

@ -127,7 +127,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *params.Chai
//vmenv := core.NewEnv(statedb, config, bc, msg, header, vm.Config{}) //vmenv := core.NewEnv(statedb, config, bc, msg, header, vm.Config{})
gp := new(core.GasPool).AddGas(math.MaxBig256) gp := new(core.GasPool).AddGas(math.MaxBig256)
ret, _, _ := core.ApplyMessage(vmenv, msg, gp) ret, _, _, _ := core.ApplyMessage(vmenv, msg, gp)
res = append(res, ret...) res = append(res, ret...)
} }
} else { } else {
@ -138,7 +138,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *params.Chai
context := core.NewEVMContext(msg, header, lc, nil) context := core.NewEVMContext(msg, header, lc, nil)
vmenv := vm.NewEVM(context, state, config, vm.Config{}) vmenv := vm.NewEVM(context, state, config, vm.Config{})
gp := new(core.GasPool).AddGas(math.MaxBig256) gp := new(core.GasPool).AddGas(math.MaxBig256)
ret, _, _ := core.ApplyMessage(vmenv, msg, gp) ret, _, _, _ := core.ApplyMessage(vmenv, msg, gp)
if state.Error() == nil { if state.Error() == nil {
res = append(res, ret...) res = append(res, ret...)
} }

View file

@ -181,7 +181,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain
context := core.NewEVMContext(msg, header, chain, nil) context := core.NewEVMContext(msg, header, chain, nil)
vmenv := vm.NewEVM(context, st, config, vm.Config{}) vmenv := vm.NewEVM(context, st, config, vm.Config{})
gp := new(core.GasPool).AddGas(math.MaxBig256) gp := new(core.GasPool).AddGas(math.MaxBig256)
ret, _, _ := core.ApplyMessage(vmenv, msg, gp) ret, _, _, _ := core.ApplyMessage(vmenv, msg, gp)
res = append(res, ret...) res = append(res, ret...)
if st.Error() != nil { if st.Error() != nil {
return res, st.Error() return res, st.Error()

View file

@ -188,7 +188,7 @@ func RunState(chainConfig *params.ChainConfig, statedb *state.StateDB, db ethdb.
gaspool := new(core.GasPool).AddGas(math.MustParseBig256(env["currentGasLimit"])) gaspool := new(core.GasPool).AddGas(math.MustParseBig256(env["currentGasLimit"]))
snapshot := statedb.Snapshot() snapshot := statedb.Snapshot()
ret, _, err := core.ApplyMessage(environment, msg, gaspool) ret, _, _, err := core.ApplyMessage(environment, msg, gaspool)
if err != nil { if err != nil {
statedb.RevertToSnapshot(snapshot) statedb.RevertToSnapshot(snapshot)
} }

View file

@ -230,6 +230,6 @@ func RunVm(statedb *state.StateDB, env, exec map[string]string) ([]byte, []*type
vm.PrecompiledContracts = make(map[common.Address]vm.PrecompiledContract) vm.PrecompiledContracts = make(map[common.Address]vm.PrecompiledContract)
environment, _ := NewEVMEnvironment(true, chainConfig, statedb, env, exec) environment, _ := NewEVMEnvironment(true, chainConfig, statedb, env, exec)
ret, g, err := environment.Call(caller, to, data, gas.Uint64(), value) ret, g, _, err := environment.Call(caller, to, data, gas.Uint64(), value)
return ret, statedb.Logs(), new(big.Int).SetUint64(g), err return ret, statedb.Logs(), new(big.Int).SetUint64(g), err
} }