Merge branch 'develop' into bzz

.gitignore

@@ -13,6 +13,8 @@
 .ethtest
 */**/*tx_database*
 */**/*dapps*
+Godeps/_workspace/pkg
+Godeps/_workspace/bin
 
 #*
 .#*
@@ -21,7 +23,9 @@
 .project
 .settings
 
-cmd/ethereum/ethereum
+geth
+mist
+cmd/geth/geth
 cmd/mist/mist
 deploy/osx/Mist.app
 deploy/osx/Mist\ Installer.dmg

.gitmodules

@@ -1,6 +1,3 @@
-[submodule "ethereal/assets/samplecoin"]
-	path = ethereal/assets/samplecoin
-	url = git@github.com:obscuren/SampleCoin.git
 [submodule "cmd/mist/assets/ext/ethereum.js"]
 	path = cmd/mist/assets/ext/ethereum.js
 	url = https://github.com/ethereum/ethereum.js

.mailmap

@@ -10,3 +10,5 @@ Joseph Goulden <joegoulden@gmail.com>
 Nick Savers <nicksavers@gmail.com>
 
 Maran Hidskes <maran.hidskes@gmail.com>
+
+Taylor Gerring <taylor.gerring@gmail.com> <taylor.gerring@ethereum.org>

.travis.yml

@@ -9,7 +9,7 @@ install:
   # - go get code.google.com/p/go.tools/cmd/goimports
   # - go get github.com/golang/lint/golint
   # - go get golang.org/x/tools/cmd/vet 
-  - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
+  - go get golang.org/x/tools/cmd/cover
   - go get github.com/mattn/goveralls
 before_script:
   # - gofmt -l -w .

Dockerfile

@@ -30,10 +30,10 @@ RUN mkdir -p $GOPATH/src/github.com/ethereum/
 RUN git clone https://github.com/ethereum/go-ethereum $GOPATH/src/github.com/ethereum/go-ethereum
 WORKDIR $GOPATH/src/github.com/ethereum/go-ethereum
 RUN git checkout develop
-RUN GOPATH=$GOPATH:$GOPATH/src/github.com/ethereum/go-ethereum/Godeps/_workspace go install -v ./cmd/ethereum
+RUN GOPATH=$GOPATH:$GOPATH/src/github.com/ethereum/go-ethereum/Godeps/_workspace go install -v ./cmd/geth
 
 ## Run & expose JSON RPC
-ENTRYPOINT ["ethereum", "-rpc=true", "-rpcport=8545"]
+ENTRYPOINT ["geth", "-rpc=true", "-rpcport=8545"]
 EXPOSE 8545
 
 

README.md

@@ -4,8 +4,8 @@ Ethereum Go Client © 2014 Jeffrey Wilcke.
 
           | Linux   | OSX | Windows | Tests
 ----------|---------|-----|---------|------
-develop   | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=Linux%20Go%20develop%20branch)](https://build.ethdev.com/builders/Linux%20Go%20develop%20branch/builds/-1) | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=Linux%20Go%20develop%20branch)](https://build.ethdev.com/builders/OSX%20Go%20develop%20branch/builds/-1) | N/A | [![Buildr+Status](https://travis-ci.org/ethereum/go-ethereum.svg?branch=develop)](https://travis-ci.org/ethereum/go-ethereum)
+develop   | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=Linux%20Go%20develop%20branch)](https://build.ethdev.com/builders/Linux%20Go%20develop%20branch/builds/-1) | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=Linux%20Go%20develop%20branch)](https://build.ethdev.com/builders/OSX%20Go%20develop%20branch/builds/-1) | N/A | [![Buildr+Status](https://travis-ci.org/ethereum/go-ethereum.svg?branch=develop)](https://travis-ci.org/ethereum/go-ethereum) [![Coverage Status](https://coveralls.io/repos/ethereum/go-ethereum/badge.svg?branch=develop)](https://coveralls.io/r/ethereum/go-ethereum?branch=develop)
-master    | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=Linux%20Go%20master%20branch)](https://build.ethdev.com/builders/Linux%20Go%20master%20branch/builds/-1) | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=OSX%20Go%20master%20branch)](https://build.ethdev.com/builders/OSX%20Go%20master%20branch/builds/-1) | N/A | [![Buildr+Status](https://travis-ci.org/ethereum/go-ethereum.svg?branch=master)](https://travis-ci.org/ethereum/go-ethereum)
+master    | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=Linux%20Go%20master%20branch)](https://build.ethdev.com/builders/Linux%20Go%20master%20branch/builds/-1) | [![Build+Status](https://build.ethdev.com/buildstatusimage?builder=OSX%20Go%20master%20branch)](https://build.ethdev.com/builders/OSX%20Go%20master%20branch/builds/-1) | N/A | [![Buildr+Status](https://travis-ci.org/ethereum/go-ethereum.svg?branch=master)](https://travis-ci.org/ethereum/go-ethereum) [![Coverage Status](https://coveralls.io/repos/ethereum/go-ethereum/badge.svg?branch=master)](https://coveralls.io/r/ethereum/go-ethereum?branch=master)
 
 [![Bugs](https://badge.waffle.io/ethereum/go-ethereum.png?label=bug&title=Bugs)](https://waffle.io/ethereum/go-ethereum)
 [![Stories in Ready](https://badge.waffle.io/ethereum/go-ethereum.png?label=ready&title=Ready)](https://waffle.io/ethereum/go-ethereum)
@@ -22,7 +22,7 @@ Mist (GUI):
 
 Geth (CLI):
 
-`go get github.com/ethereum/go-ethereum/cmd/ethereum`
+`go get github.com/ethereum/go-ethereum/cmd/geth`
 
 As of POC-8, go-ethereum uses [Godep](https://github.com/tools/godep) to manage dependencies. Assuming you have [your environment all set up](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum), switch to the go-ethereum repository root folder, and build/install the executable you need:
 

core/execution.go

@@ -11,14 +11,18 @@ import (
 )
 
 type Execution struct {
-	env               vm.Environment
+	env     vm.Environment
-	address           *common.Address
+	address *common.Address
-	input             []byte
+	input   []byte
+	evm     vm.VirtualMachine
+
 	Gas, price, value *big.Int
 }
 
 func NewExecution(env vm.Environment, address *common.Address, input []byte, gas, gasPrice, value *big.Int) *Execution {
-	return &Execution{env: env, address: address, input: input, Gas: gas, price: gasPrice, value: value}
+	exe := &Execution{env: env, address: address, input: input, Gas: gas, price: gasPrice, value: value}
+	exe.evm = vm.NewVm(env)
+	return exe
 }
 
 func (self *Execution) Call(codeAddr common.Address, caller vm.ContextRef) ([]byte, error) {
@@ -28,11 +32,17 @@ func (self *Execution) Call(codeAddr common.Address, caller vm.ContextRef) ([]by
 	return self.exec(&codeAddr, code, caller)
 }
 
+func (self *Execution) Create(caller vm.ContextRef) (ret []byte, err error, account *state.StateObject) {
+	ret, err = self.exec(nil, self.input, caller)
+	account = self.env.State().GetStateObject(*self.address)
+	return
+}
+
 func (self *Execution) exec(contextAddr *common.Address, code []byte, caller vm.ContextRef) (ret []byte, err error) {
 	start := time.Now()
 
 	env := self.env
-	evm := vm.NewVm(env)
+	evm := self.evm
 	if env.Depth() == vm.MaxCallDepth {
 		caller.ReturnGas(self.Gas, self.price)
 
@@ -70,10 +80,3 @@ func (self *Execution) exec(contextAddr *common.Address, code []byte, caller vm.
 
 	return
 }
-
-func (self *Execution) Create(caller vm.ContextRef) (ret []byte, err error, account *state.StateObject) {
-	ret, err = self.exec(nil, self.input, caller)
-	account = self.env.State().GetStateObject(*self.address)
-
-	return
-}

core/filter.go

@@ -12,17 +12,6 @@ type AccountChange struct {
 	Address, StateAddress []byte
 }
 
-type FilterOptions struct {
-	Earliest int64
-	Latest   int64
-
-	Address []common.Address
-	Topics  [][]common.Hash
-
-	Skip int
-	Max  int
-}
-
 // Filtering interface
 type Filter struct {
 	eth      Backend
@@ -44,18 +33,6 @@ func NewFilter(eth Backend) *Filter {
 	return &Filter{eth: eth}
 }
 
-// SetOptions copies the filter options to the filter it self. The reason for this "silly" copy
-// is simply because named arguments in this case is extremely nice and readable.
-func (self *Filter) SetOptions(options *FilterOptions) {
-	self.earliest = options.Earliest
-	self.latest = options.Latest
-	self.skip = options.Skip
-	self.max = options.Max
-	self.address = options.Address
-	self.topics = options.Topics
-
-}
-
 // Set the earliest and latest block for filtering.
 // -1 = latest block (i.e., the current block)
 // hash = particular hash from-to

core/vm/address.go

@@ -3,8 +3,8 @@ package vm
 import (
 	"math/big"
 
-	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
 )
 
 type Address interface {
@@ -61,15 +61,32 @@ func ripemd160Func(in []byte) []byte {
 	return common.LeftPadBytes(crypto.Ripemd160(in), 32)
 }
 
+const ecRecoverInputLength = 128
+
 func ecrecoverFunc(in []byte) []byte {
-	// In case of an invalid sig. Defaults to return nil
+	// "in" is (hash, v, r, s), each 32 bytes
-	defer func() { recover() }()
+	// but for ecrecover we want (r, s, v)
+	if len(in) < ecRecoverInputLength {
+		return nil
+	}
 
-	hash := in[:32]
+	// Treat V as a 256bit integer
-	v := common.BigD(in[32:64]).Bytes()[0] - 27
+	v := new(big.Int).Sub(common.Bytes2Big(in[32:64]), big.NewInt(27))
-	sig := append(in[64:], v)
+	// Ethereum requires V to be either 0 or 1 => (27 || 28)
+	if !(v.Cmp(Zero) == 0 || v.Cmp(One) == 0) {
+		return nil
+	}
 
-	return common.LeftPadBytes(crypto.Sha3(crypto.Ecrecover(append(hash, sig...))[1:])[12:], 32)
+	// v needs to be moved to the end
+	rsv := append(in[64:128], byte(v.Uint64()))
+	pubKey := crypto.Ecrecover(in[:32], rsv)
+	// make sure the public key is a valid one
+	if pubKey == nil || len(pubKey) != 65 {
+		return nil
+	}
+
+	// the first byte of pubkey is bitcoin heritage
+	return common.LeftPadBytes(crypto.Sha3(pubKey[1:])[12:], 32)
 }
 
 func memCpy(in []byte) []byte {

core/vm/analysis.go

@@ -1,9 +1,25 @@
 package vm
 
-import "gopkg.in/fatih/set.v0"
+import (
+	"math/big"
 
-func analyseJumpDests(code []byte) (dests *set.Set) {
+	"gopkg.in/fatih/set.v0"
-	dests = set.New()
+)
+
+type destinations struct {
+	set *set.Set
+}
+
+func (d *destinations) Has(dest *big.Int) bool {
+	return d.set.Has(string(dest.Bytes()))
+}
+
+func (d *destinations) Add(dest *big.Int) {
+	d.set.Add(string(dest.Bytes()))
+}
+
+func analyseJumpDests(code []byte) (dests *destinations) {
+	dests = &destinations{set.New()}
 
 	for pc := uint64(0); pc < uint64(len(code)); pc++ {
 		var op OpCode = OpCode(code[pc])
@@ -13,7 +29,7 @@ func analyseJumpDests(code []byte) (dests *set.Set) {
 
 			pc += a
 		case JUMPDEST:
-			dests.Add(pc)
+			dests.Add(big.NewInt(int64(pc)))
 		}
 	}
 	return

core/vm/common.go

@@ -33,6 +33,7 @@ var (
 	S256 = common.S256
 
 	Zero = common.Big0
+	One  = common.Big1
 
 	max = big.NewInt(math.MaxInt64)
 )
@@ -80,3 +81,13 @@ func getData(data []byte, start, size *big.Int) []byte {
 	e := common.BigMin(new(big.Int).Add(s, size), dlen)
 	return common.RightPadBytes(data[s.Uint64():e.Uint64()], int(size.Uint64()))
 }
+
+func UseGas(gas, amount *big.Int) bool {
+	if gas.Cmp(amount) < 0 {
+		return false
+	}
+
+	// Sub the amount of gas from the remaining
+	gas.Sub(gas, amount)
+	return true
+}

core/vm/context.go

@@ -1,7 +1,6 @@
 package vm
 
 import (
-	"math"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -41,29 +40,18 @@ func NewContext(caller ContextRef, object ContextRef, value, gas, price *big.Int
 	return c
 }
 
-func (c *Context) GetOp(n uint64) OpCode {
+func (c *Context) GetOp(n *big.Int) OpCode {
 	return OpCode(c.GetByte(n))
 }
 
-func (c *Context) GetByte(n uint64) byte {
+func (c *Context) GetByte(n *big.Int) byte {
-	if n < uint64(len(c.Code)) {
+	if n.Cmp(big.NewInt(int64(len(c.Code)))) < 0 {
-		return c.Code[n]
+		return c.Code[n.Int64()]
 	}
 
 	return 0
 }
 
-func (c *Context) GetBytes(x, y int) []byte {
-	return c.GetRangeValue(uint64(x), uint64(y))
-}
-
-func (c *Context) GetRangeValue(x, size uint64) []byte {
-	x = uint64(math.Min(float64(x), float64(len(c.Code))))
-	y := uint64(math.Min(float64(x+size), float64(len(c.Code))))
-
-	return common.RightPadBytes(c.Code[x:y], int(size))
-}
-
 func (c *Context) Return(ret []byte) []byte {
 	// Return the remaining gas to the caller
 	c.caller.ReturnGas(c.Gas, c.Price)
@@ -74,16 +62,12 @@ func (c *Context) Return(ret []byte) []byte {
 /*
  * Gas functions
  */
-func (c *Context) UseGas(gas *big.Int) bool {
+func (c *Context) UseGas(gas *big.Int) (ok bool) {
-	if c.Gas.Cmp(gas) < 0 {
+	ok = UseGas(c.Gas, gas)
-		return false
+	if ok {
+		c.UsedGas.Add(c.UsedGas, gas)
 	}
-
+	return
-	// Sub the amount of gas from the remaining
-	c.Gas.Sub(c.Gas, gas)
-	c.UsedGas.Add(c.UsedGas, gas)
-
-	return true
 }
 
 // Implement the caller interface

core/vm/vm.go

@@ -24,6 +24,9 @@ type Vm struct {
 	Fn          string
 
 	Recoverable bool
+
+	// Will be called before the vm returns
+	After func(*Context, error)
 }
 
 func New(env Environment) *Vm {
@@ -47,6 +50,10 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 
 	// User defer pattern to check for an error and, based on the error being nil or not, use all gas and return.
 	defer func() {
+		if self.After != nil {
+			self.After(context, err)
+		}
+
 		if err != nil {
 			self.Printf(" %v", err).Endl()
 			// In case of a VM exception (known exceptions) all gas consumed (panics NOT included).
@@ -65,23 +72,20 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 	var (
 		op OpCode
 
-		destinations        = analyseJumpDests(context.Code)
+		destinations = analyseJumpDests(context.Code)
-		mem                 = NewMemory()
+		mem          = NewMemory()
-		stack               = newStack()
+		stack        = newStack()
-		pc           uint64 = 0
+		pc           = new(big.Int)
-		step                = 0
+		statedb      = self.env.State()
-		statedb             = self.env.State()
 
-		jump = func(from uint64, to *big.Int) error {
+		jump = func(from *big.Int, to *big.Int) error {
-			p := to.Uint64()
+			nop := context.GetOp(to)
-
+			if !destinations.Has(to) {
-			nop := context.GetOp(p)
+				return fmt.Errorf("invalid jump destination (%v) %v", nop, to)
-			if !destinations.Has(p) {
-				return fmt.Errorf("invalid jump destination (%v) %v", nop, p)
 			}
 
 			self.Printf(" ~> %v", to)
-			pc = to.Uint64()
+			pc = to
 
 			self.Endl()
 
@@ -98,7 +102,6 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 		// The base for all big integer arithmetic
 		base := new(big.Int)
 
-		step++
 		// Get the memory location of pc
 		op = context.GetOp(pc)
 
@@ -421,22 +424,11 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 
 			self.Printf(" => %v", value)
 		case CALLDATALOAD:
-			var (
+			data := getData(callData, stack.pop(), common.Big32)
-				offset  = stack.pop()
-				data    = make([]byte, 32)
-				lenData = big.NewInt(int64(len(callData)))
-			)
-
-			if lenData.Cmp(offset) >= 0 {
-				length := new(big.Int).Add(offset, common.Big32)
-				length = common.BigMin(length, lenData)
-
-				copy(data, callData[offset.Int64():length.Int64()])
-			}
 
 			self.Printf(" => 0x%x", data)
 
-			stack.push(common.BigD(data))
+			stack.push(common.Bytes2Big(data))
 		case CALLDATASIZE:
 			l := int64(len(callData))
 			stack.push(big.NewInt(l))
@@ -535,13 +527,11 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 
 			// 0x50 range
 		case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
-			a := uint64(op - PUSH1 + 1)
+			a := big.NewInt(int64(op - PUSH1 + 1))
-			byts := context.GetRangeValue(pc+1, a)
+			byts := getData(code, new(big.Int).Add(pc, big.NewInt(1)), a)
 			// push value to stack
-			stack.push(common.BigD(byts))
+			stack.push(common.Bytes2Big(byts))
-			pc += a
+			pc.Add(pc, a)
-
-			step += int(op) - int(PUSH1) + 1
 
 			self.Printf(" => 0x%x", byts)
 		case POP:
@@ -621,7 +611,8 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 
 		case JUMPDEST:
 		case PC:
-			stack.push(big.NewInt(int64(pc)))
+			//stack.push(big.NewInt(int64(pc)))
+			stack.push(pc)
 		case MSIZE:
 			stack.push(big.NewInt(int64(mem.Len())))
 		case GAS:
@@ -647,7 +638,6 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 
 				self.Printf(" (*) 0x0 %v", suberr)
 			} else {
-
 				// gas < len(ret) * CreateDataGas == NO_CODE
 				dataGas := big.NewInt(int64(len(ret)))
 				dataGas.Mul(dataGas, GasCreateByte)
@@ -728,7 +718,7 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
 			return nil, fmt.Errorf("Invalid opcode %x", op)
 		}
 
-		pc++
+		pc.Add(pc, One)
 
 		self.Endl()
 	}

core/vm_env.go

@@ -54,21 +54,17 @@ func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
 	return vm.Transfer(from, to, amount)
 }
 
-func (self *VMEnv) vm(addr *common.Address, data []byte, gas, price, value *big.Int) *Execution {
-	return NewExecution(self, addr, data, gas, price, value)
-}
-
 func (self *VMEnv) Call(me vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
-	exe := self.vm(&addr, data, gas, price, value)
+	exe := NewExecution(self, &addr, data, gas, price, value)
 	return exe.Call(addr, me)
 }
 func (self *VMEnv) CallCode(me vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
 	maddr := me.Address()
-	exe := self.vm(&maddr, data, gas, price, value)
+	exe := NewExecution(self, &maddr, data, gas, price, value)
 	return exe.Call(addr, me)
 }
 
 func (self *VMEnv) Create(me vm.ContextRef, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) {
-	exe := self.vm(nil, data, gas, price, value)
+	exe := NewExecution(self, nil, data, gas, price, value)
 	return exe.Create(me)
 }

crypto/crypto.go

@@ -68,13 +68,8 @@ func Ripemd160(data []byte) []byte {
 	return ripemd.Sum(nil)
 }
 
-func Ecrecover(data []byte) []byte {
+func Ecrecover(hash, sig []byte) []byte {
-	var in = struct {
+	r, _ := secp256k1.RecoverPubkey(hash, sig)
-		hash []byte
-		sig  []byte
-	}{data[:32], data[32:]}
-
-	r, _ := secp256k1.RecoverPubkey(in.hash, in.sig)
 
 	return r
 }
@@ -151,9 +146,12 @@ func GenerateKey() (*ecdsa.PrivateKey, error) {
 }
 
 func SigToPub(hash, sig []byte) *ecdsa.PublicKey {
-	s := Ecrecover(append(hash, sig...))
+	s := Ecrecover(hash, sig)
-	x, y := elliptic.Unmarshal(S256(), s)
+	if s == nil || len(s) != 65 {
+		return nil
+	}
 
+	x, y := elliptic.Unmarshal(S256(), s)
 	return &ecdsa.PublicKey{S256(), x, y}
 }
 

rpc/api.go

@@ -6,7 +6,6 @@ import (
 	"sync"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/xeth"
 )
@@ -14,7 +13,6 @@ import (
 type EthereumApi struct {
 	eth    *xeth.XEth
 	xethMu sync.RWMutex
-	db     common.Database
 }
 
 func NewEthereumApi(xeth *xeth.XEth) *EthereumApi {
@@ -82,10 +80,6 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 
-		if err := args.requirements(); err != nil {
-			return err
-		}
-
 		v := api.xethAtStateNum(args.BlockNumber).State().SafeGet(args.Address).Balance()
 		*reply = common.ToHex(v.Bytes())
 	case "eth_getStorage", "eth_storageAt":
@@ -94,36 +88,25 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 
-		if err := args.requirements(); err != nil {
-			return err
-		}
-
 		*reply = api.xethAtStateNum(args.BlockNumber).State().SafeGet(args.Address).Storage()
 	case "eth_getStorageAt":
 		args := new(GetStorageAtArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
-		if err := args.requirements(); err != nil {
-			return err
-		}
 
 		state := api.xethAtStateNum(args.BlockNumber).State().SafeGet(args.Address)
 		value := state.StorageString(args.Key)
 
-		*reply = common.Bytes2Hex(value.Bytes())
+		*reply = common.ToHex(value.Bytes())
 	case "eth_getTransactionCount":
 		args := new(GetTxCountArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
 
-		err := args.requirements()
+		count := api.xethAtStateNum(args.BlockNumber).TxCountAt(args.Address)
-		if err != nil {
+		*reply = common.ToHex(big.NewInt(int64(count)).Bytes())
-			return err
-		}
-
-		*reply = api.xethAtStateNum(args.BlockNumber).TxCountAt(args.Address)
 	case "eth_getBlockTransactionCountByHash":
 		args := new(GetBlockByHashArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -163,9 +146,6 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
-		if err := args.requirements(); err != nil {
-			return err
-		}
 		*reply = api.xethAtStateNum(args.BlockNumber).CodeAt(args.Address)
 	case "eth_sendTransaction", "eth_transact":
 		args := new(NewTxArgs)
@@ -173,10 +153,6 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 
-		if err := args.requirements(); err != nil {
-			return err
-		}
-
 		v, err := api.xeth().Transact(args.From, args.To, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
 		if err != nil {
 			return err
@@ -267,8 +243,8 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return NewValidationError("Index", "does not exist")
 		}
 
-		uhash := br.Uncles[args.Index].Hex()
+		uhash := br.Uncles[args.Index]
-		uncle := NewBlockRes(api.xeth().EthBlockByHash(uhash))
+		uncle := NewBlockRes(api.xeth().EthBlockByHash(uhash.Hex()))
 
 		*reply = uncle
 	case "eth_getUncleByBlockNumberAndIndex":
@@ -285,8 +261,8 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return NewValidationError("Index", "does not exist")
 		}
 
-		uhash := v.Uncles[args.Index].Hex()
+		uhash := v.Uncles[args.Index]
-		uncle := NewBlockRes(api.xeth().EthBlockByHash(uhash))
+		uncle := NewBlockRes(api.xeth().EthBlockByHash(uhash.Hex()))
 
 		*reply = uncle
 	case "eth_getCompilers":
@@ -300,18 +276,13 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 
-		opts := toFilterOptions(args)
+		id := api.xeth().RegisterFilter(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)
-		id := api.xeth().RegisterFilter(opts)
 		*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
 	case "eth_newBlockFilter":
 		args := new(FilterStringArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
-		if err := args.requirements(); err != nil {
-			return err
-		}
-
 		id := api.xeth().NewFilterString(args.Word)
 		*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
 	case "eth_uninstallFilter":
@@ -337,8 +308,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
-		opts := toFilterOptions(args)
+		*reply = NewLogsRes(api.xeth().AllLogs(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics))
-		*reply = NewLogsRes(api.xeth().AllLogs(opts))
 	case "eth_getWork":
 		api.xeth().SetMining(true)
 		*reply = api.xeth().RemoteMining().GetWork()
@@ -347,7 +317,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
-		*reply = api.xeth().RemoteMining().SubmitWork(args.Nonce, args.Digest, args.Header)
+		*reply = api.xeth().RemoteMining().SubmitWork(args.Nonce, common.HexToHash(args.Digest), common.HexToHash(args.Header))
 	case "db_putString":
 		args := new(DbArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -433,7 +403,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 		opts := new(xeth.Options)
-		opts.From = args.From
+		// opts.From = args.From
 		opts.To = args.To
 		opts.Topics = args.Topics
 		id := api.xeth().NewWhisperFilter(opts)
@@ -483,46 +453,3 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 	rpclogger.DebugDetailf("Reply: %T %s", reply, reply)
 	return nil
 }
-
-func toFilterOptions(options *BlockFilterArgs) *core.FilterOptions {
-	var opts core.FilterOptions
-
-	// Convert optional address slice/string to byte slice
-	if str, ok := options.Address.(string); ok {
-		opts.Address = []common.Address{common.HexToAddress(str)}
-	} else if slice, ok := options.Address.([]interface{}); ok {
-		bslice := make([]common.Address, len(slice))
-		for i, addr := range slice {
-			if saddr, ok := addr.(string); ok {
-				bslice[i] = common.HexToAddress(saddr)
-			}
-		}
-		opts.Address = bslice
-	}
-
-	opts.Earliest = options.Earliest
-	opts.Latest = options.Latest
-
-	topics := make([][]common.Hash, len(options.Topics))
-	for i, topicDat := range options.Topics {
-		if slice, ok := topicDat.([]interface{}); ok {
-			topics[i] = make([]common.Hash, len(slice))
-			for j, topic := range slice {
-				topics[i][j] = common.HexToHash(topic.(string))
-			}
-		} else if str, ok := topicDat.(string); ok {
-			topics[i] = []common.Hash{common.HexToHash(str)}
-		}
-	}
-	opts.Topics = topics
-
-	return &opts
-}
-
-/*
-	Work() chan<- *types.Block
-	SetWorkCh(chan<- Work)
-	Stop()
-	Start()
-	Rate() uint64
-*/

rpc/args.go

@@ -1,16 +1,27 @@
 package rpc
 
 import (
-	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
 )
 
-func blockHeight(raw interface{}, number *int64) (err error) {
+const (
+	defaultLogLimit  = 100
+	defaultLogOffset = 0
+)
+
+func blockHeightFromJson(msg json.RawMessage, number *int64) error {
+	var raw interface{}
+	if err := json.Unmarshal(msg, &raw); err != nil {
+		return NewDecodeParamError(err.Error())
+	}
+	return blockHeight(raw, number)
+}
+
+func blockHeight(raw interface{}, number *int64) error {
 	// Parse as integer
 	num, ok := raw.(float64)
 	if ok {
@@ -21,7 +32,7 @@ func blockHeight(raw interface{}, number *int64) (err error) {
 	// Parse as string/hexstring
 	str, ok := raw.(string)
 	if !ok {
-		return NewDecodeParamError("BlockNumber is not a string")
+		return NewInvalidTypeError("", "not a number or string")
 	}
 
 	switch str {
@@ -36,26 +47,55 @@ func blockHeight(raw interface{}, number *int64) (err error) {
 	return nil
 }
 
-func toNumber(v interface{}) (int64, error) {
+func numString(raw interface{}, number *int64) error {
-	var str string
+	// Parse as integer
-	if v != nil {
+	num, ok := raw.(float64)
-		var ok bool
+	if ok {
-		str, ok = v.(string)
+		*number = int64(num)
-		if !ok {
+		return nil
-			return 0, errors.New("is not a string or undefined")
-		}
-	} else {
-		str = "latest"
 	}
 
-	switch str {
+	// Parse as string/hexstring
-	case "latest":
+	str, ok := raw.(string)
-		return -1, nil
+	if !ok {
-	default:
+		return NewInvalidTypeError("", "not a number or string")
-		return int64(common.Big(v.(string)).Int64()), nil
 	}
+	*number = common.String2Big(str).Int64()
+
+	return nil
 }
 
+// func toNumber(v interface{}) (int64, error) {
+// 	var str string
+// 	if v != nil {
+// 		var ok bool
+// 		str, ok = v.(string)
+// 		if !ok {
+// 			return 0, errors.New("is not a string or undefined")
+// 		}
+// 	} else {
+// 		str = "latest"
+// 	}
+
+// 	switch str {
+// 	case "latest":
+// 		return -1, nil
+// 	default:
+// 		return int64(common.Big(v.(string)).Int64()), nil
+// 	}
+// }
+
+// func hashString(raw interface{}, hash *string) error {
+// 	argstr, ok := raw.(string)
+// 	if !ok {
+// 		return NewInvalidTypeError("", "not a string")
+// 	}
+// 	v := common.IsHex(argstr)
+// 	hash = &argstr
+
+// 	return nil
+// }
+
 type GetBlockByHashArgs struct {
 	BlockHash  string
 	IncludeTxs bool
@@ -63,8 +103,8 @@ type GetBlockByHashArgs struct {
 
 func (args *GetBlockByHashArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []interface{}
-	r := bytes.NewReader(b)
+
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
+	if err := json.Unmarshal(b, &obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -74,7 +114,7 @@ func (args *GetBlockByHashArgs) UnmarshalJSON(b []byte) (err error) {
 
 	argstr, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("BlockHash not a string")
+		return NewInvalidTypeError("blockHash", "not a string")
 	}
 	args.BlockHash = argstr
 
@@ -92,8 +132,7 @@ type GetBlockByNumberArgs struct {
 
 func (args *GetBlockByNumberArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -103,8 +142,10 @@ func (args *GetBlockByNumberArgs) UnmarshalJSON(b []byte) (err error) {
 
 	if v, ok := obj[0].(float64); ok {
 		args.BlockNumber = int64(v)
+	} else if v, ok := obj[0].(string); ok {
+		args.BlockNumber = common.Big(v).Int64()
 	} else {
-		args.BlockNumber = common.Big(obj[0].(string)).Int64()
+		return NewInvalidTypeError("blockNumber", "not a number or string")
 	}
 
 	if len(obj) > 1 {
@@ -127,7 +168,14 @@ type NewTxArgs struct {
 
 func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []json.RawMessage
-	var ext struct{ From, To, Value, Gas, GasPrice, Data string }
+	var ext struct {
+		From     string
+		To       string
+		Value    interface{}
+		Gas      interface{}
+		GasPrice interface{}
+		Data     string
+	}
 
 	// Decode byte slice to array of RawMessages
 	if err := json.Unmarshal(b, &obj); err != nil {
@@ -144,22 +192,45 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewDecodeParamError(err.Error())
 	}
 
-	// var ok bool
+	if len(ext.From) == 0 {
+		return NewValidationError("from", "is required")
+	}
+
 	args.From = ext.From
 	args.To = ext.To
-	args.Value = common.String2Big(ext.Value)
-	args.Gas = common.String2Big(ext.Gas)
-	args.GasPrice = common.String2Big(ext.GasPrice)
 	args.Data = ext.Data
 
+	var num int64
+	if ext.Value == nil {
+		return NewValidationError("value", "is required")
+	} else {
+		if err := numString(ext.Value, &num); err != nil {
+			return err
+		}
+	}
+	args.Value = big.NewInt(num)
+
+	if ext.Gas == nil {
+		return NewValidationError("gas", "is required")
+	} else {
+		if err := numString(ext.Gas, &num); err != nil {
+			return err
+		}
+	}
+	args.Gas = big.NewInt(num)
+
+	if ext.GasPrice == nil {
+		return NewValidationError("gasprice", "is required")
+	} else {
+		if err := numString(ext.GasPrice, &num); err != nil {
+			return err
+		}
+	}
+	args.GasPrice = big.NewInt(num)
+
 	// Check for optional BlockNumber param
 	if len(obj) > 1 {
-		var raw interface{}
+		if err := blockHeightFromJson(obj[1], &args.BlockNumber); err != nil {
-		if err = json.Unmarshal(obj[1], &raw); err != nil {
-			return NewDecodeParamError(err.Error())
-		}
-
-		if err := blockHeight(raw, &args.BlockNumber); err != nil {
 			return err
 		}
 	}
@@ -167,13 +238,6 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
-func (args *NewTxArgs) requirements() error {
-	if len(args.From) == 0 {
-		return NewValidationError("From", "Is required")
-	}
-	return nil
-}
-
 type GetStorageArgs struct {
 	Address     string
 	BlockNumber int64
@@ -191,7 +255,7 @@ func (args *GetStorageArgs) UnmarshalJSON(b []byte) (err error) {
 
 	addstr, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("Address is not a string")
+		return NewInvalidTypeError("address", "not a string")
 	}
 	args.Address = addstr
 
@@ -204,13 +268,6 @@ func (args *GetStorageArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
-func (args *GetStorageArgs) requirements() error {
-	if len(args.Address) == 0 {
-		return NewValidationError("Address", "cannot be blank")
-	}
-	return nil
-}
-
 type GetStorageAtArgs struct {
 	Address     string
 	Key         string
@@ -229,13 +286,13 @@ func (args *GetStorageAtArgs) UnmarshalJSON(b []byte) (err error) {
 
 	addstr, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("Address is not a string")
+		return NewInvalidTypeError("address", "not a string")
 	}
 	args.Address = addstr
 
 	keystr, ok := obj[1].(string)
 	if !ok {
-		return NewDecodeParamError("Key is not a string")
+		return NewInvalidTypeError("key", "not a string")
 	}
 	args.Key = keystr
 
@@ -248,17 +305,6 @@ func (args *GetStorageAtArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
-func (args *GetStorageAtArgs) requirements() error {
-	if len(args.Address) == 0 {
-		return NewValidationError("Address", "cannot be blank")
-	}
-
-	if len(args.Key) == 0 {
-		return NewValidationError("Key", "cannot be blank")
-	}
-	return nil
-}
-
 type GetTxCountArgs struct {
 	Address     string
 	BlockNumber int64
@@ -276,7 +322,7 @@ func (args *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
 
 	addstr, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("Address is not a string")
+		return NewInvalidTypeError("address", "not a string")
 	}
 	args.Address = addstr
 
@@ -289,13 +335,6 @@ func (args *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
-func (args *GetTxCountArgs) requirements() error {
-	if len(args.Address) == 0 {
-		return NewValidationError("Address", "cannot be blank")
-	}
-	return nil
-}
-
 type GetBalanceArgs struct {
 	Address     string
 	BlockNumber int64
@@ -313,7 +352,7 @@ func (args *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
 
 	addstr, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("Address is not a string")
+		return NewInvalidTypeError("address", "not a string")
 	}
 	args.Address = addstr
 
@@ -326,13 +365,6 @@ func (args *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
-func (args *GetBalanceArgs) requirements() error {
-	if len(args.Address) == 0 {
-		return NewValidationError("Address", "cannot be blank")
-	}
-	return nil
-}
-
 type GetDataArgs struct {
 	Address     string
 	BlockNumber int64
@@ -350,7 +382,7 @@ func (args *GetDataArgs) UnmarshalJSON(b []byte) (err error) {
 
 	addstr, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("Address is not a string")
+		return NewInvalidTypeError("address", "not a string")
 	}
 	args.Address = addstr
 
@@ -363,13 +395,6 @@ func (args *GetDataArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
-func (args *GetDataArgs) requirements() error {
-	if len(args.Address) == 0 {
-		return NewValidationError("Address", "cannot be blank")
-	}
-	return nil
-}
-
 type BlockNumIndexArgs struct {
 	BlockNumber int64
 	Index       int64
@@ -377,8 +402,7 @@ type BlockNumIndexArgs struct {
 
 func (args *BlockNumIndexArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -386,16 +410,14 @@ func (args *BlockNumIndexArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
 
-	arg0, ok := obj[0].(string)
+	if err := blockHeight(obj[0], &args.BlockNumber); err != nil {
-	if !ok {
+		return err
-		return NewDecodeParamError("BlockNumber is not string")
 	}
-	args.BlockNumber = common.Big(arg0).Int64()
 
 	if len(obj) > 1 {
 		arg1, ok := obj[1].(string)
 		if !ok {
-			return NewDecodeParamError("Index not a string")
+			return NewInvalidTypeError("index", "not a string")
 		}
 		args.Index = common.Big(arg1).Int64()
 	}
@@ -410,8 +432,7 @@ type HashIndexArgs struct {
 
 func (args *HashIndexArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -421,14 +442,14 @@ func (args *HashIndexArgs) UnmarshalJSON(b []byte) (err error) {
 
 	arg0, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("Hash not a string")
+		return NewInvalidTypeError("hash", "not a string")
 	}
 	args.Hash = arg0
 
 	if len(obj) > 1 {
 		arg1, ok := obj[1].(string)
 		if !ok {
-			return NewDecodeParamError("Index not a string")
+			return NewInvalidTypeError("index", "not a string")
 		}
 		args.Index = common.Big(arg1).Int64()
 	}
@@ -442,36 +463,39 @@ type Sha3Args struct {
 
 func (args *Sha3Args) UnmarshalJSON(b []byte) (err error) {
 	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
 	if len(obj) < 1 {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
-	args.Data = obj[0].(string)
 
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return NewInvalidTypeError("data", "is not a string")
+	}
+	args.Data = argstr
 	return nil
 }
 
 type BlockFilterArgs struct {
 	Earliest int64
 	Latest   int64
-	Address  interface{}
+	Address  []string
-	Topics   []interface{}
+	Topics   [][]string
 	Skip     int
 	Max      int
 }
 
 func (args *BlockFilterArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []struct {
-		FromBlock interface{}   `json:"fromBlock"`
+		FromBlock interface{} `json:"fromBlock"`
-		ToBlock   interface{}   `json:"toBlock"`
+		ToBlock   interface{} `json:"toBlock"`
-		Limit     string        `json:"limit"`
+		Limit     interface{} `json:"limit"`
-		Offset    string        `json:"offset"`
+		Offset    interface{} `json:"offset"`
-		Address   string        `json:"address"`
+		Address   interface{} `json:"address"`
-		Topics    []interface{} `json:"topics"`
+		Topics    interface{} `json:"topics"`
 	}
 
 	if err = json.Unmarshal(b, &obj); err != nil {
@@ -482,19 +506,113 @@ func (args *BlockFilterArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
 
-	args.Earliest, err = toNumber(obj[0].ToBlock)
+	// args.Earliest, err = toNumber(obj[0].ToBlock)
-	if err != nil {
+	// if err != nil {
-		return NewDecodeParamError(fmt.Sprintf("FromBlock %v", err))
+	// 	return NewDecodeParamError(fmt.Sprintf("FromBlock %v", err))
+	// }
+	// args.Latest, err = toNumber(obj[0].FromBlock)
+	// if err != nil {
+	// 	return NewDecodeParamError(fmt.Sprintf("ToBlock %v", err))
+
+	var num int64
+
+	// if blank then latest
+	if obj[0].FromBlock == nil {
+		num = -1
+	} else {
+		if err := blockHeight(obj[0].FromBlock, &num); err != nil {
+			return err
+		}
 	}
-	args.Latest, err = toNumber(obj[0].FromBlock)
+	// if -2 or other "silly" number, use latest
-	if err != nil {
+	if num < 0 {
-		return NewDecodeParamError(fmt.Sprintf("ToBlock %v", err))
+		args.Earliest = -1 //latest block
+	} else {
+		args.Earliest = num
 	}
 
-	args.Max = int(common.Big(obj[0].Limit).Int64())
+	// if blank than latest
-	args.Skip = int(common.Big(obj[0].Offset).Int64())
+	if obj[0].ToBlock == nil {
-	args.Address = obj[0].Address
+		num = -1
-	args.Topics = obj[0].Topics
+	} else {
+		if err := blockHeight(obj[0].ToBlock, &num); err != nil {
+			return err
+		}
+	}
+	args.Latest = num
+
+	if obj[0].Limit == nil {
+		num = defaultLogLimit
+	} else {
+		if err := numString(obj[0].Limit, &num); err != nil {
+			return err
+		}
+	}
+	args.Max = int(num)
+
+	if obj[0].Offset == nil {
+		num = defaultLogOffset
+	} else {
+		if err := numString(obj[0].Offset, &num); err != nil {
+			return err
+		}
+	}
+	args.Skip = int(num)
+
+	if obj[0].Address != nil {
+		marg, ok := obj[0].Address.([]interface{})
+		if ok {
+			v := make([]string, len(marg))
+			for i, arg := range marg {
+				argstr, ok := arg.(string)
+				if !ok {
+					return NewInvalidTypeError(fmt.Sprintf("address[%d]", i), "is not a string")
+				}
+				v[i] = argstr
+			}
+			args.Address = v
+		} else {
+			argstr, ok := obj[0].Address.(string)
+			if ok {
+				v := make([]string, 1)
+				v[0] = argstr
+				args.Address = v
+			} else {
+				return NewInvalidTypeError("address", "is not a string or array")
+			}
+		}
+	}
+
+	if obj[0].Topics != nil {
+		other, ok := obj[0].Topics.([]interface{})
+		if ok {
+			topicdbl := make([][]string, len(other))
+			for i, iv := range other {
+				if argstr, ok := iv.(string); ok {
+					// Found a string, push into first element of array
+					topicsgl := make([]string, 1)
+					topicsgl[0] = argstr
+					topicdbl[i] = topicsgl
+				} else if argarray, ok := iv.([]interface{}); ok {
+					// Found an array of other
+					topicdbl[i] = make([]string, len(argarray))
+					for j, jv := range argarray {
+						if v, ok := jv.(string); ok {
+							topicdbl[i][j] = v
+						} else {
+							return NewInvalidTypeError(fmt.Sprintf("topic[%d][%d]", i, j), "is not a string")
+						}
+					}
+				} else {
+					return NewInvalidTypeError(fmt.Sprintf("topic[%d]", i), "not a string or array")
+				}
+			}
+			args.Topics = topicdbl
+			return nil
+		} else {
+			return NewInvalidTypeError("topic", "is not a string or array")
+		}
+	}
 
 	return nil
 }
@@ -519,19 +637,19 @@ func (args *DbArgs) UnmarshalJSON(b []byte) (err error) {
 	var ok bool
 
 	if objstr, ok = obj[0].(string); !ok {
-		return NewDecodeParamError("Database is not a string")
+		return NewInvalidTypeError("database", "not a string")
 	}
 	args.Database = objstr
 
 	if objstr, ok = obj[1].(string); !ok {
-		return NewDecodeParamError("Key is not a string")
+		return NewInvalidTypeError("key", "not a string")
 	}
 	args.Key = objstr
 
 	if len(obj) > 2 {
 		objstr, ok = obj[2].(string)
 		if !ok {
-			return NewDecodeParamError("Value is not a string")
+			return NewInvalidTypeError("value", "not a string")
 		}
 
 		args.Value = []byte(objstr)
@@ -570,19 +688,19 @@ func (args *DbHexArgs) UnmarshalJSON(b []byte) (err error) {
 	var ok bool
 
 	if objstr, ok = obj[0].(string); !ok {
-		return NewDecodeParamError("Database is not a string")
+		return NewInvalidTypeError("database", "not a string")
 	}
 	args.Database = objstr
 
 	if objstr, ok = obj[1].(string); !ok {
-		return NewDecodeParamError("Key is not a string")
+		return NewInvalidTypeError("key", "not a string")
 	}
 	args.Key = objstr
 
 	if len(obj) > 2 {
 		objstr, ok = obj[2].(string)
 		if !ok {
-			return NewDecodeParamError("Value is not a string")
+			return NewInvalidTypeError("value", "not a string")
 		}
 
 		args.Value = common.FromHex(objstr)
@@ -616,8 +734,8 @@ func (args *WhisperMessageArgs) UnmarshalJSON(b []byte) (err error) {
 		To       string
 		From     string
 		Topics   []string
-		Priority string
+		Priority interface{}
-		Ttl      string
+		Ttl      interface{}
 	}
 
 	if err = json.Unmarshal(b, &obj); err != nil {
@@ -631,8 +749,17 @@ func (args *WhisperMessageArgs) UnmarshalJSON(b []byte) (err error) {
 	args.To = obj[0].To
 	args.From = obj[0].From
 	args.Topics = obj[0].Topics
-	args.Priority = uint32(common.Big(obj[0].Priority).Int64())
+
-	args.Ttl = uint32(common.Big(obj[0].Ttl).Int64())
+	var num int64
+	if err := numString(obj[0].Priority, &num); err != nil {
+		return err
+	}
+	args.Priority = uint32(num)
+
+	if err := numString(obj[0].Ttl, &num); err != nil {
+		return err
+	}
+	args.Ttl = uint32(num)
 
 	return nil
 }
@@ -643,14 +770,18 @@ type CompileArgs struct {
 
 func (args *CompileArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
-	if len(obj) > 0 {
+	if len(obj) < 1 {
-		args.Source = obj[0].(string)
+		return NewInsufficientParamsError(len(obj), 1)
 	}
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return NewInvalidTypeError("arg0", "is not a string")
+	}
+	args.Source = argstr
 
 	return nil
 }
@@ -661,8 +792,7 @@ type FilterStringArgs struct {
 
 func (args *FilterStringArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -673,20 +803,15 @@ func (args *FilterStringArgs) UnmarshalJSON(b []byte) (err error) {
 	var argstr string
 	argstr, ok := obj[0].(string)
 	if !ok {
-		return NewDecodeParamError("Filter is not a string")
+		return NewInvalidTypeError("filter", "not a string")
 	}
-	args.Word = argstr
+	switch argstr {
-
-	return nil
-}
-
-func (args *FilterStringArgs) requirements() error {
-	switch args.Word {
 	case "latest", "pending":
 		break
 	default:
 		return NewValidationError("Word", "Must be `latest` or `pending`")
 	}
+	args.Word = argstr
 	return nil
 }
 
@@ -695,9 +820,8 @@ type FilterIdArgs struct {
 }
 
 func (args *FilterIdArgs) UnmarshalJSON(b []byte) (err error) {
-	var obj []string
+	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -705,7 +829,11 @@ func (args *FilterIdArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
 
-	args.Id = int(common.Big(obj[0]).Int64())
+	var num int64
+	if err := numString(obj[0], &num); err != nil {
+		return err
+	}
+	args.Id = int(num)
 
 	return nil
 }
@@ -715,9 +843,8 @@ type WhisperIdentityArgs struct {
 }
 
 func (args *WhisperIdentityArgs) UnmarshalJSON(b []byte) (err error) {
-	var obj []string
+	var obj []interface{}
-	r := bytes.NewReader(b)
+	if err := json.Unmarshal(b, &obj); err != nil {
-	if err := json.NewDecoder(r).Decode(&obj); err != nil {
 		return NewDecodeParamError(err.Error())
 	}
 
@@ -725,7 +852,14 @@ func (args *WhisperIdentityArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
 
-	args.Identity = obj[0]
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return NewInvalidTypeError("arg0", "not a string")
+	}
+	// if !common.IsHex(argstr) {
+	// 	return NewValidationError("arg0", "not a hexstring")
+	// }
+	args.Identity = argstr
 
 	return nil
 }
@@ -738,9 +872,8 @@ type WhisperFilterArgs struct {
 
 func (args *WhisperFilterArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []struct {
-		To     string
+		To     interface{}
-		From   string
+		Topics []interface{}
-		Topics []string
 	}
 
 	if err = json.Unmarshal(b, &obj); err != nil {
@@ -751,17 +884,30 @@ func (args *WhisperFilterArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
 
-	args.To = obj[0].To
+	var argstr string
-	args.From = obj[0].From
+	argstr, ok := obj[0].To.(string)
-	args.Topics = obj[0].Topics
+	if !ok {
+		return NewInvalidTypeError("to", "is not a string")
+	}
+	args.To = argstr
+
+	t := make([]string, len(obj[0].Topics))
+	for i, j := range obj[0].Topics {
+		argstr, ok := j.(string)
+		if !ok {
+			return NewInvalidTypeError("topics["+string(i)+"]", "is not a string")
+		}
+		t[i] = argstr
+	}
+	args.Topics = t
 
 	return nil
 }
 
 type SubmitWorkArgs struct {
 	Nonce  uint64
-	Header common.Hash
+	Header string
-	Digest common.Hash
+	Digest string
 }
 
 func (args *SubmitWorkArgs) UnmarshalJSON(b []byte) (err error) {
@@ -777,21 +923,21 @@ func (args *SubmitWorkArgs) UnmarshalJSON(b []byte) (err error) {
 	var objstr string
 	var ok bool
 	if objstr, ok = obj[0].(string); !ok {
-		return NewDecodeParamError("Nonce is not a string")
+		return NewInvalidTypeError("nonce", "not a string")
 	}
 
 	args.Nonce = common.String2Big(objstr).Uint64()
 	if objstr, ok = obj[1].(string); !ok {
-		return NewDecodeParamError("Header is not a string")
+		return NewInvalidTypeError("header", "not a string")
 	}
 
-	args.Header = common.HexToHash(objstr)
+	args.Header = objstr
 
 	if objstr, ok = obj[2].(string); !ok {
-		return NewDecodeParamError("Digest is not a string")
+		return NewInvalidTypeError("digest", "not a string")
 	}
 
-	args.Digest = common.HexToHash(objstr)
+	args.Digest = objstr
 
 	return nil
 }

rpc/http.go

@@ -76,7 +76,7 @@ func RpcResponse(api *EthereumApi, request *RpcRequest) *interface{} {
 	case *NotImplementedError:
 		jsonerr := &RpcErrorObject{-32601, reserr.Error()}
 		response = &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: request.Id, Error: jsonerr}
-	case *DecodeParamError, *InsufficientParamsError, *ValidationError:
+	case *DecodeParamError, *InsufficientParamsError, *ValidationError, *InvalidTypeError:
 		jsonerr := &RpcErrorObject{-32602, reserr.Error()}
 		response = &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: request.Id, Error: jsonerr}
 	default:

rpc/messages.go

@@ -21,6 +21,22 @@ import (
 	"fmt"
 )
 
+type InvalidTypeError struct {
+	method string
+	msg    string
+}
+
+func (e *InvalidTypeError) Error() string {
+	return fmt.Sprintf("invalid type on field %s: %s", e.method, e.msg)
+}
+
+func NewInvalidTypeError(method, msg string) *InvalidTypeError {
+	return &InvalidTypeError{
+		method: method,
+		msg:    msg,
+	}
+}
+
 type InsufficientParamsError struct {
 	have int
 	want int

rpc/messages_test.go

@@ -4,6 +4,15 @@ import (
 	"testing"
 )
 
+func TestInvalidTypeError(t *testing.T) {
+	err := NewInvalidTypeError("testField", "not string")
+	expected := "invalid type on field testField: not string"
+
+	if err.Error() != expected {
+		t.Error(err.Error())
+	}
+}
+
 func TestInsufficientParamsError(t *testing.T) {
 	err := NewInsufficientParamsError(0, 1)
 	expected := "insufficient params, want 1 have 0"

rpc/responses.go

@@ -70,7 +70,7 @@ func (b *BlockRes) MarshalJSON() ([]byte, error) {
 	ext.Difficulty = common.ToHex(b.Difficulty.Bytes())
 	ext.TotalDifficulty = common.ToHex(b.TotalDifficulty.Bytes())
 	ext.Size = common.ToHex(b.Size.Bytes())
-	// ext.ExtraData = common.ToHex(b.ExtraData)
+	ext.ExtraData = common.ToHex(b.ExtraData)
 	ext.GasLimit = common.ToHex(b.GasLimit.Bytes())
 	// ext.MinGasPrice = common.ToHex(big.NewInt(b.MinGasPrice).Bytes())
 	ext.GasUsed = common.ToHex(b.GasUsed.Bytes())
@@ -111,7 +111,7 @@ func NewBlockRes(block *types.Block) *BlockRes {
 	res.Difficulty = block.Difficulty()
 	res.TotalDifficulty = block.Td
 	res.Size = big.NewInt(int64(block.Size()))
-	// res.ExtraData =
+	res.ExtraData = []byte(block.Header().Extra)
 	res.GasLimit = block.GasLimit()
 	// res.MinGasPrice =
 	res.GasUsed = block.GasUsed()
@@ -243,8 +243,8 @@ func (l *LogRes) MarshalJSON() ([]byte, error) {
 	}
 
 	ext.Address = l.Address.Hex()
-	ext.Data = common.Bytes2Hex(l.Data)
+	ext.Data = common.ToHex(l.Data)
-	ext.Number = common.Bytes2Hex(big.NewInt(int64(l.Number)).Bytes())
+	ext.Number = common.ToHex(big.NewInt(int64(l.Number)).Bytes())
 	ext.Topics = make([]string, len(l.Topics))
 	for i, v := range l.Topics {
 		ext.Topics[i] = v.Hex()

update-license.go

@@ -40,7 +40,7 @@ var (
 	extensions = []string{".go", ".js", ".qml"}
 
 	// paths with any of these prefixes will be skipped
-	skipPrefixes = []string{"tests/files/", "cmd/mist/assets/ext/", "cmd/mist/assets/muted/"}
+	skipPrefixes = []string{"Godeps/", "tests/files/", "cmd/mist/assets/ext/", "cmd/mist/assets/muted/"}
 
 	// paths with this prefix are licensed as GPL. all other files are LGPL.
 	gplPrefixes = []string{"cmd/"}
@@ -190,7 +190,7 @@ func fileInfo(file string) (*info, error) {
 			break
 		}
 	}
-	cmd := exec.Command("git", "log", "--follow", "--find-copies", "--pretty=format:%aI | %aN <%aE>", "--", file)
+	cmd := exec.Command("git", "log", "--follow", "--find-copies", "--pretty=format:%ai | %aN <%aE>", "--", file)
 	err := doLines(cmd, func(line string) {
 		sep := strings.IndexByte(line, '|')
 		year, name := line[:4], line[sep+2:]

xeth/xeth.go

@@ -110,6 +110,24 @@ func (self *XEth) stop() {
 	close(self.quit)
 }
 
+func cAddress(a []string) []common.Address {
+	bslice := make([]common.Address, len(a))
+	for i, addr := range a {
+		bslice[i] = common.HexToAddress(addr)
+	}
+	return bslice
+}
+
+func cTopics(t [][]string) [][]common.Hash {
+	topics := make([][]common.Hash, len(t))
+	for i, iv := range t {
+		for j, jv := range iv {
+			topics[i][j] = common.HexToHash(jv)
+		}
+	}
+	return topics
+}
+
 func (self *XEth) DefaultGas() *big.Int      { return defaultGas }
 func (self *XEth) DefaultGasPrice() *big.Int { return defaultGasPrice }
 
@@ -228,15 +246,15 @@ func (self *XEth) IsMining() bool {
 }
 
 func (self *XEth) EthVersion() string {
-	return string(self.backend.EthVersion())
+	return fmt.Sprintf("%d", self.backend.EthVersion())
 }
 
 func (self *XEth) NetworkVersion() string {
-	return string(self.backend.NetVersion())
+	return fmt.Sprintf("%d", self.backend.NetVersion())
 }
 
 func (self *XEth) WhisperVersion() string {
-	return string(self.backend.ShhVersion())
+	return fmt.Sprintf("%d", self.backend.ShhVersion())
 }
 
 func (self *XEth) ClientVersion() string {
@@ -301,10 +319,15 @@ func (self *XEth) SecretToAddress(key string) string {
 	return common.ToHex(pair.Address())
 }
 
-func (self *XEth) RegisterFilter(args *core.FilterOptions) int {
+func (self *XEth) RegisterFilter(earliest, latest int64, skip, max int, address []string, topics [][]string) int {
 	var id int
 	filter := core.NewFilter(self.backend)
-	filter.SetOptions(args)
+	filter.SetEarliestBlock(earliest)
+	filter.SetLatestBlock(latest)
+	filter.SetSkip(skip)
+	filter.SetMax(max)
+	filter.SetAddress(cAddress(address))
+	filter.SetTopics(cTopics(topics))
 	filter.LogsCallback = func(logs state.Logs) {
 		self.logMut.Lock()
 		defer self.logMut.Unlock()
@@ -380,9 +403,14 @@ func (self *XEth) Logs(id int) state.Logs {
 	return nil
 }
 
-func (self *XEth) AllLogs(args *core.FilterOptions) state.Logs {
+func (self *XEth) AllLogs(earliest, latest int64, skip, max int, address []string, topics [][]string) state.Logs {
 	filter := core.NewFilter(self.backend)
-	filter.SetOptions(args)
+	filter.SetEarliestBlock(earliest)
+	filter.SetLatestBlock(latest)
+	filter.SetSkip(skip)
+	filter.SetMax(max)
+	filter.SetAddress(cAddress(address))
+	filter.SetTopics(cTopics(topics))
 
 	return filter.Find()
 }