Merge pull request #3179 from obscuren/eip-158

EIP158 & 160 Hardfork

accounts/abi/bind/auth.go

@@ -48,15 +48,15 @@ func NewKeyedTransactor(key *ecdsa.PrivateKey) *TransactOpts {
 	keyAddr := crypto.PubkeyToAddress(key.PublicKey)
 	return &TransactOpts{
 		From: keyAddr,
-		Signer: func(address common.Address, tx *types.Transaction) (*types.Transaction, error) {
+		Signer: func(signer types.Signer, address common.Address, tx *types.Transaction) (*types.Transaction, error) {
 			if address != keyAddr {
 				return nil, errors.New("not authorized to sign this account")
 			}
-			signature, err := crypto.SignEthereum(tx.SigHash().Bytes(), key)
+			signature, err := crypto.SignEthereum(signer.Hash(tx).Bytes(), key)
 			if err != nil {
 				return nil, err
 			}
-			return tx.WithSignature(signature)
+			return tx.WithSignature(signer, signature)
 		},
 	}
 }

accounts/abi/bind/backends/simulated.go

@@ -31,11 +31,12 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
+	"github.com/ethereum/go-ethereum/params"
 	"golang.org/x/net/context"
 )
 
 // Default chain configuration which sets homestead phase at block 0 (i.e. no frontier)
-var chainConfig = &core.ChainConfig{HomesteadBlock: big.NewInt(0)}
+var chainConfig = &params.ChainConfig{HomesteadBlock: big.NewInt(0), EIP150Block: new(big.Int), EIP158Block: new(big.Int)}
 
 // This nil assignment ensures compile time that SimulatedBackend implements bind.ContractBackend.
 var _ bind.ContractBackend = (*SimulatedBackend)(nil)
@@ -51,6 +52,8 @@ type SimulatedBackend struct {
 	mu           sync.Mutex
 	pendingBlock *types.Block   // Currently pending block that will be imported on request
 	pendingState *state.StateDB // Currently pending state that will be the active on on request
+
+	config *params.ChainConfig
 }
 
 // NewSimulatedBackend creates a new binding backend using a simulated blockchain
@@ -85,7 +88,7 @@ func (b *SimulatedBackend) Rollback() {
 }
 
 func (b *SimulatedBackend) rollback() {
-	blocks, _ := core.GenerateChain(nil, b.blockchain.CurrentBlock(), b.database, 1, func(int, *core.BlockGen) {})
+	blocks, _ := core.GenerateChain(chainConfig, b.blockchain.CurrentBlock(), b.database, 1, func(int, *core.BlockGen) {})
 	b.pendingBlock = blocks[0]
 	b.pendingState, _ = state.New(b.pendingBlock.Root(), b.database)
 }
@@ -234,7 +237,7 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
 	b.mu.Lock()
 	defer b.mu.Unlock()
 
-	sender, err := tx.From()
+	sender, err := types.Sender(types.HomesteadSigner{}, tx)
 	if err != nil {
 		panic(fmt.Errorf("invalid transaction: %v", err))
 	}
@@ -243,7 +246,7 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
 		panic(fmt.Errorf("invalid transaction nonce: got %d, want %d", tx.Nonce(), nonce))
 	}
 
-	blocks, _ := core.GenerateChain(nil, b.blockchain.CurrentBlock(), b.database, 1, func(number int, block *core.BlockGen) {
+	blocks, _ := core.GenerateChain(chainConfig, b.blockchain.CurrentBlock(), b.database, 1, func(number int, block *core.BlockGen) {
 		for _, tx := range b.pendingBlock.Transactions() {
 			block.AddTx(tx)
 		}
@@ -259,8 +262,7 @@ type callmsg struct {
 	ethereum.CallMsg
 }
 
-func (m callmsg) From() (common.Address, error)         { return m.CallMsg.From, nil }
+func (m callmsg) From() common.Address { return m.CallMsg.From }
-func (m callmsg) FromFrontier() (common.Address, error) { return m.CallMsg.From, nil }
 func (m callmsg) Nonce() uint64        { return 0 }
 func (m callmsg) CheckNonce() bool     { return false }
 func (m callmsg) To() *common.Address  { return m.CallMsg.To }

accounts/abi/bind/base.go

@@ -31,7 +31,7 @@ import (
 
 // SignerFn is a signer function callback when a contract requires a method to
 // sign the transaction before submission.
-type SignerFn func(common.Address, *types.Transaction) (*types.Transaction, error)
+type SignerFn func(types.Signer, common.Address, *types.Transaction) (*types.Transaction, error)
 
 // CallOpts is the collection of options to fine tune a contract call request.
 type CallOpts struct {
@@ -214,7 +214,7 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
 	if opts.Signer == nil {
 		return nil, errors.New("no signer to authorize the transaction with")
 	}
-	signedTx, err := opts.Signer(opts.From, rawTx)
+	signedTx, err := opts.Signer(types.HomesteadSigner{}, opts.From, rawTx)
 	if err != nil {
 		return nil, err
 	}

accounts/abi/bind/util_test.go

@@ -60,7 +60,7 @@ func TestWaitDeployed(t *testing.T) {
 
 		// Create the transaction.
 		tx := types.NewContractCreation(0, big.NewInt(0), test.gas, big.NewInt(1), common.FromHex(test.code))
-		tx, _ = tx.SignECDSA(testKey)
+		tx, _ = tx.SignECDSA(types.HomesteadSigner{}, testKey)
 
 		// Wait for it to get mined in the background.
 		var (

cmd/ethtest/main.go

@@ -76,10 +76,11 @@ func runTestWithReader(test string, r io.Reader) error {
 	case "bk", "block", "blocktest", "blockchaintest", "blocktests", "blockchaintests":
 		err = tests.RunBlockTestWithReader(params.MainNetHomesteadBlock, params.MainNetDAOForkBlock, params.MainNetHomesteadGasRepriceBlock, r, skipTests)
 	case "st", "state", "statetest", "statetests":
-		rs := tests.RuleSet{HomesteadBlock: params.MainNetHomesteadBlock, DAOForkBlock: params.MainNetDAOForkBlock, DAOForkSupport: true}
+		rs := &params.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock, DAOForkBlock: params.MainNetDAOForkBlock, DAOForkSupport: true, EIP150Block: params.MainNetHomesteadGasRepriceBlock}
 		err = tests.RunStateTestWithReader(rs, r, skipTests)
 	case "tx", "transactiontest", "transactiontests":
-		err = tests.RunTransactionTestsWithReader(r, skipTests)
+		rs := &params.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock, DAOForkBlock: params.MainNetDAOForkBlock, DAOForkSupport: true, EIP150Block: params.MainNetHomesteadGasRepriceBlock}
+		err = tests.RunTransactionTestsWithReader(rs, r, skipTests)
 	case "vm", "vmtest", "vmtests":
 		err = tests.RunVmTestWithReader(r, skipTests)
 	case "rlp", "rlptest", "rlptests":

cmd/evm/main.go

@@ -191,7 +191,7 @@ func run(ctx *cli.Context) error {
 	vmdone := time.Since(tstart)
 
 	if ctx.GlobalBool(DumpFlag.Name) {
-		statedb.Commit()
+		statedb.Commit(true)
 		fmt.Println(string(statedb.Dump()))
 	}
 	vm.StdErrFormat(logger.StructLogs())
@@ -251,7 +251,7 @@ func NewEnv(state *state.StateDB, transactor common.Address, value *big.Int, cfg
 	return env
 }
 
-// ruleSet implements vm.RuleSet and will always default to the homestead rule set.
+// ruleSet implements vm.ChainConfig and will always default to the homestead rule set.
 type ruleSet struct{}
 
 func (ruleSet) IsHomestead(*big.Int) bool { return true }
@@ -259,7 +259,7 @@ func (ruleSet) GasTable(*big.Int) params.GasTable {
 	return params.GasTableHomesteadGasRepriceFork
 }
 
-func (self *VMEnv) RuleSet() vm.RuleSet       { return ruleSet{} }
+func (self *VMEnv) ChainConfig() *params.ChainConfig { return params.TestChainConfig }
 func (self *VMEnv) Vm() vm.Vm                        { return self.evm }
 func (self *VMEnv) Db() vm.Database                  { return self.state }
 func (self *VMEnv) SnapshotDatabase() int            { return self.state.Snapshot() }

cmd/gethrpctest/main.go

@@ -23,7 +23,6 @@ import (
 	"os"
 	"os/signal"
 
-	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/ethdb"
@@ -122,7 +121,7 @@ func MakeSystemNode(privkey string, test *tests.BlockTest) (*node.Node, error) {
 	ethConf := &eth.Config{
 		TestGenesisState: db,
 		TestGenesisBlock: test.Genesis,
-		ChainConfig:      &core.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock},
+		ChainConfig:      &params.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock},
 	}
 	if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) { return eth.New(ctx, ethConf) }); err != nil {
 		return nil, err

cmd/utils/flags.go

@@ -801,7 +801,7 @@ func SetupNetwork(ctx *cli.Context) {
 }
 
 // MakeChainConfig reads the chain configuration from the database in ctx.Datadir.
-func MakeChainConfig(ctx *cli.Context, stack *node.Node) *core.ChainConfig {
+func MakeChainConfig(ctx *cli.Context, stack *node.Node) *params.ChainConfig {
 	db := MakeChainDatabase(ctx, stack)
 	defer db.Close()
 
@@ -809,9 +809,9 @@ func MakeChainConfig(ctx *cli.Context, stack *node.Node) *core.ChainConfig {
 }
 
 // MakeChainConfigFromDb reads the chain configuration from the given database.
-func MakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *core.ChainConfig {
+func MakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *params.ChainConfig {
 	// If the chain is already initialized, use any existing chain configs
-	config := new(core.ChainConfig)
+	config := new(params.ChainConfig)
 
 	genesis := core.GetBlock(db, core.GetCanonicalHash(db, 0), 0)
 	if genesis != nil {
@@ -825,6 +825,10 @@ func MakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *core.ChainConfi
 			Fatalf("Could not make chain configuration: %v", err)
 		}
 	}
+	// set chain id in case it's zero.
+	if config.ChainId == nil {
+		config.ChainId = new(big.Int)
+	}
 	// Check whether we are allowed to set default config params or not:
 	//  - If no genesis is set, we're running either mainnet or testnet (private nets use `geth init`)
 	//  - If a genesis is already set, ensure we have a configuration for it (mainnet or testnet)
@@ -849,21 +853,37 @@ func MakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *core.ChainConfi
 			}
 			config.DAOForkSupport = true
 		}
-		if config.HomesteadGasRepriceBlock == nil {
+		if config.EIP150Block == nil {
 			if ctx.GlobalBool(TestNetFlag.Name) {
-				config.HomesteadGasRepriceBlock = params.TestNetHomesteadGasRepriceBlock
+				config.EIP150Block = params.TestNetHomesteadGasRepriceBlock
 			} else {
-				config.HomesteadGasRepriceBlock = params.MainNetHomesteadGasRepriceBlock
+				config.EIP150Block = params.MainNetHomesteadGasRepriceBlock
 			}
 		}
-		if config.HomesteadGasRepriceHash == (common.Hash{}) {
+		if config.EIP150Hash == (common.Hash{}) {
 			if ctx.GlobalBool(TestNetFlag.Name) {
-				config.HomesteadGasRepriceHash = params.TestNetHomesteadGasRepriceHash
+				config.EIP150Hash = params.TestNetHomesteadGasRepriceHash
 			} else {
-				config.HomesteadGasRepriceHash = params.MainNetHomesteadGasRepriceHash
+				config.EIP150Hash = params.MainNetHomesteadGasRepriceHash
+			}
 		}
+		if config.EIP155Block == nil {
+			if ctx.GlobalBool(TestNetFlag.Name) {
+				config.EIP150Block = params.TestNetSpuriousDragon
+			} else {
+				config.EIP155Block = params.MainNetSpuriousDragon
 			}
 		}
+		if config.EIP158Block == nil {
+			if ctx.GlobalBool(TestNetFlag.Name) {
+				config.EIP158Block = params.TestNetSpuriousDragon
+			} else {
+				config.EIP158Block = params.MainNetSpuriousDragon
+			}
+		}
+		config.DAOForkSupport = true
+	}
+
 	// Force override any existing configs if explicitly requested
 	switch {
 	case ctx.GlobalBool(SupportDAOFork.Name):

common/registrar/ethreg/api.go

@@ -32,11 +32,12 @@ import (
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 // registryAPIBackend is a backend for an Ethereum Registry.
 type registryAPIBackend struct {
-	config  *core.ChainConfig
+	config  *params.ChainConfig
 	bc      *core.BlockChain
 	chainDb ethdb.Database
 	txPool  *core.TxPool
@@ -45,12 +46,12 @@ type registryAPIBackend struct {
 
 // PrivateRegistarAPI offers various functions to access the Ethereum registry.
 type PrivateRegistarAPI struct {
-	config *core.ChainConfig
+	config *params.ChainConfig
 	be     *registryAPIBackend
 }
 
 // NewPrivateRegistarAPI creates a new PrivateRegistarAPI instance.
-func NewPrivateRegistarAPI(config *core.ChainConfig, bc *core.BlockChain, chainDb ethdb.Database, txPool *core.TxPool, am *accounts.Manager) *PrivateRegistarAPI {
+func NewPrivateRegistarAPI(config *params.ChainConfig, bc *core.BlockChain, chainDb ethdb.Database, txPool *core.TxPool, am *accounts.Manager) *PrivateRegistarAPI {
 	return &PrivateRegistarAPI{
 		config: config,
 		be: &registryAPIBackend{
@@ -173,25 +174,20 @@ func (be *registryAPIBackend) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr
 
 	from.SetBalance(common.MaxBig)
 
-	msg := callmsg{
+	var to *common.Address
-		from:     from,
-		gas:      common.Big(gasStr),
-		gasPrice: common.Big(gasPriceStr),
-		value:    common.Big(valueStr),
-		data:     common.FromHex(dataStr),
-	}
 	if len(toStr) > 0 {
 		addr := common.HexToAddress(toStr)
-		msg.to = &addr
+		to = &addr
 	}
-
+	gas := common.Big(gasStr)
-	if msg.gas.Cmp(big.NewInt(0)) == 0 {
+	if gas.BitLen() == 0 {
-		msg.gas = big.NewInt(50000000)
+		gas = big.NewInt(50000000)
 	}
-
+	gasPrice := common.Big(gasPriceStr)
-	if msg.gasPrice.Cmp(big.NewInt(0)) == 0 {
+	if gasPrice.BitLen() == 0 {
-		msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
+		gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
 	}
+	msg := types.NewMessage(from.Address(), to, 0, common.Big(valueStr), gas, gasPrice, common.FromHex(dataStr))
 
 	header := be.bc.CurrentBlock().Header()
 	vmenv := core.NewEnv(statedb, be.config, be.bc, msg, header, vm.Config{})
@@ -257,11 +253,12 @@ func (be *registryAPIBackend) Transact(fromStr, toStr, nonceStr, valueStr, gasSt
 		tx = types.NewTransaction(nonce, to, value, gas, price, data)
 	}
 
-	signature, err := be.am.SignEthereum(from, tx.SigHash().Bytes())
+	sigHash := (types.HomesteadSigner{}).Hash(tx)
+	signature, err := be.am.SignEthereum(from, sigHash.Bytes())
 	if err != nil {
 		return "", err
 	}
-	signedTx, err := tx.WithSignature(signature)
+	signedTx, err := tx.WithSignature(types.HomesteadSigner{}, signature)
 	if err != nil {
 		return "", err
 	}

console/console_test.go

@@ -28,10 +28,10 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/internal/jsre"
 	"github.com/ethereum/go-ethereum/node"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 const (
@@ -97,7 +97,7 @@ func newTester(t *testing.T, confOverride func(*eth.Config)) *tester {
 		t.Fatalf("failed to create node: %v", err)
 	}
 	ethConf := &eth.Config{
-		ChainConfig: &core.ChainConfig{HomesteadBlock: new(big.Int)},
+		ChainConfig: &params.ChainConfig{HomesteadBlock: new(big.Int), ChainId: new(big.Int)},
 		Etherbase:   common.HexToAddress(testAddress),
 		PowTest:     true,
 	}

core/bench_test.go

@@ -83,7 +83,7 @@ func genValueTx(nbytes int) func(int, *BlockGen) {
 		toaddr := common.Address{}
 		data := make([]byte, nbytes)
 		gas := IntrinsicGas(data, false, false)
-		tx, _ := types.NewTransaction(gen.TxNonce(benchRootAddr), toaddr, big.NewInt(1), gas, nil, data).SignECDSA(benchRootKey)
+		tx, _ := types.NewTransaction(gen.TxNonce(benchRootAddr), toaddr, big.NewInt(1), gas, nil, data).SignECDSA(types.HomesteadSigner{}, benchRootKey)
 		gen.AddTx(tx)
 	}
 }
@@ -123,7 +123,7 @@ func genTxRing(naccounts int) func(int, *BlockGen) {
 				nil,
 				nil,
 			)
-			tx, _ = tx.SignECDSA(ringKeys[from])
+			tx, _ = tx.SignECDSA(types.HomesteadSigner{}, ringKeys[from])
 			gen.AddTx(tx)
 			from = to
 		}
@@ -163,12 +163,12 @@ func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
 	// Generate a chain of b.N blocks using the supplied block
 	// generator function.
 	genesis := WriteGenesisBlockForTesting(db, GenesisAccount{benchRootAddr, benchRootFunds})
-	chain, _ := GenerateChain(nil, genesis, db, b.N, gen)
+	chain, _ := GenerateChain(params.TestChainConfig, genesis, db, b.N, gen)
 
 	// Time the insertion of the new chain.
 	// State and blocks are stored in the same DB.
 	evmux := new(event.TypeMux)
-	chainman, _ := NewBlockChain(db, &ChainConfig{HomesteadBlock: new(big.Int)}, FakePow{}, evmux)
+	chainman, _ := NewBlockChain(db, &params.ChainConfig{HomesteadBlock: new(big.Int)}, FakePow{}, evmux)
 	defer chainman.Stop()
 	b.ReportAllocs()
 	b.ResetTimer()

core/block_validator.go

@@ -41,13 +41,13 @@ var (
 //
 // BlockValidator implements Validator.
 type BlockValidator struct {
-	config *ChainConfig // Chain configuration options
+	config *params.ChainConfig // Chain configuration options
 	bc     *BlockChain         // Canonical block chain
 	Pow    pow.PoW             // Proof of work used for validating
 }
 
 // NewBlockValidator returns a new block validator which is safe for re-use
-func NewBlockValidator(config *ChainConfig, blockchain *BlockChain, pow pow.PoW) *BlockValidator {
+func NewBlockValidator(config *params.ChainConfig, blockchain *BlockChain, pow pow.PoW) *BlockValidator {
 	validator := &BlockValidator{
 		config: config,
 		Pow:    pow,
@@ -128,7 +128,7 @@ func (v *BlockValidator) ValidateState(block, parent *types.Block, statedb *stat
 	}
 	// Validate the state root against the received state root and throw
 	// an error if they don't match.
-	if root := statedb.IntermediateRoot(); header.Root != root {
+	if root := statedb.IntermediateRoot(v.config.IsEIP158(header.Number)); header.Root != root {
 		return fmt.Errorf("invalid merkle root: header=%x computed=%x", header.Root, root)
 	}
 	return nil
@@ -203,7 +203,7 @@ func (v *BlockValidator) ValidateHeader(header, parent *types.Header, checkPow b
 // Validates a header. Returns an error if the header is invalid.
 //
 // See YP section 4.3.4. "Block Header Validity"
-func ValidateHeader(config *ChainConfig, pow pow.PoW, header *types.Header, parent *types.Header, checkPow, uncle bool) error {
+func ValidateHeader(config *params.ChainConfig, pow pow.PoW, header *types.Header, parent *types.Header, checkPow, uncle bool) error {
 	if big.NewInt(int64(len(header.Extra))).Cmp(params.MaximumExtraDataSize) == 1 {
 		return fmt.Errorf("Header extra data too long (%d)", len(header.Extra))
 	}
@@ -251,9 +251,9 @@ func ValidateHeader(config *ChainConfig, pow pow.PoW, header *types.Header, pare
 	if err := ValidateDAOHeaderExtraData(config, header); err != nil {
 		return err
 	}
-	if config.HomesteadGasRepriceBlock != nil && config.HomesteadGasRepriceBlock.Cmp(header.Number) == 0 {
+	if config.EIP150Block != nil && config.EIP150Block.Cmp(header.Number) == 0 {
-		if config.HomesteadGasRepriceHash != (common.Hash{}) && config.HomesteadGasRepriceHash != header.Hash() {
+		if config.EIP150Hash != (common.Hash{}) && config.EIP150Hash != header.Hash() {
-			return ValidationError("Homestead gas reprice fork hash mismatch: have 0x%x, want 0x%x", header.Hash(), config.HomesteadGasRepriceHash)
+			return ValidationError("Homestead gas reprice fork hash mismatch: have 0x%x, want 0x%x", header.Hash(), config.EIP150Hash)
 		}
 	}
 	return nil
@@ -262,7 +262,7 @@ func ValidateHeader(config *ChainConfig, pow pow.PoW, header *types.Header, pare
 // CalcDifficulty is the difficulty adjustment algorithm. It returns
 // the difficulty that a new block should have when created at time
 // given the parent block's time and difficulty.
-func CalcDifficulty(config *ChainConfig, time, parentTime uint64, parentNumber, parentDiff *big.Int) *big.Int {
+func CalcDifficulty(config *params.ChainConfig, time, parentTime uint64, parentNumber, parentDiff *big.Int) *big.Int {
 	if config.IsHomestead(new(big.Int).Add(parentNumber, common.Big1)) {
 		return calcDifficultyHomestead(time, parentTime, parentNumber, parentDiff)
 	} else {

core/block_validator_test.go

@@ -27,11 +27,13 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow/ezp"
 )
 
-func testChainConfig() *ChainConfig {
+func testChainConfig() *params.ChainConfig {
-	return &ChainConfig{HomesteadBlock: big.NewInt(0)}
+	return params.TestChainConfig
+	//return &params.ChainConfig{HomesteadBlock: big.NewInt(0)}
 }
 
 func proc() (Validator, *BlockChain) {
@@ -51,15 +53,15 @@ func TestNumber(t *testing.T) {
 	_, chain := proc()
 
 	statedb, _ := state.New(chain.Genesis().Root(), chain.chainDb)
-	header := makeHeader(chain.Genesis(), statedb)
-	header.Number = big.NewInt(3)
 	cfg := testChainConfig()
+	header := makeHeader(cfg, chain.Genesis(), statedb)
+	header.Number = big.NewInt(3)
 	err := ValidateHeader(cfg, pow, header, chain.Genesis().Header(), false, false)
 	if err != BlockNumberErr {
 		t.Errorf("expected block number error, got %q", err)
 	}
 
-	header = makeHeader(chain.Genesis(), statedb)
+	header = makeHeader(cfg, chain.Genesis(), statedb)
 	err = ValidateHeader(cfg, pow, header, chain.Genesis().Header(), false, false)
 	if err == BlockNumberErr {
 		t.Errorf("didn't expect block number error")

core/blockchain.go

@@ -38,6 +38,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/trie"
@@ -78,7 +79,7 @@ const (
 // included in the canonical one where as GetBlockByNumber always represents the
 // canonical chain.
 type BlockChain struct {
-	config *ChainConfig // chain & network configuration
+	config *params.ChainConfig // chain & network configuration
 
 	hc           *HeaderChain
 	chainDb      ethdb.Database
@@ -113,7 +114,7 @@ type BlockChain struct {
 // NewBlockChain returns a fully initialised block chain using information
 // available in the database. It initialiser the default Ethereum Validator and
 // Processor.
-func NewBlockChain(chainDb ethdb.Database, config *ChainConfig, pow pow.PoW, mux *event.TypeMux) (*BlockChain, error) {
+func NewBlockChain(chainDb ethdb.Database, config *params.ChainConfig, pow pow.PoW, mux *event.TypeMux) (*BlockChain, error) {
 	bodyCache, _ := lru.New(bodyCacheLimit)
 	bodyRLPCache, _ := lru.New(bodyCacheLimit)
 	blockCache, _ := lru.New(blockCacheLimit)
@@ -633,17 +634,19 @@ func (self *BlockChain) Rollback(chain []common.Hash) {
 }
 
 // SetReceiptsData computes all the non-consensus fields of the receipts
-func SetReceiptsData(block *types.Block, receipts types.Receipts) {
+func SetReceiptsData(config *params.ChainConfig, block *types.Block, receipts types.Receipts) {
+	signer := types.MakeSigner(config, block.Number())
+
 	transactions, logIndex := block.Transactions(), uint(0)
 
 	for j := 0; j < len(receipts); j++ {
 		// The transaction hash can be retrieved from the transaction itself
 		receipts[j].TxHash = transactions[j].Hash()
 
+		tx, _ := transactions[j].AsMessage(signer)
 		// The contract address can be derived from the transaction itself
-		if MessageCreatesContract(transactions[j]) {
+		if MessageCreatesContract(tx) {
-			from, _ := transactions[j].From()
+			receipts[j].ContractAddress = crypto.CreateAddress(tx.From(), tx.Nonce())
-			receipts[j].ContractAddress = crypto.CreateAddress(from, transactions[j].Nonce())
 		}
 		// The used gas can be calculated based on previous receipts
 		if j == 0 {
@@ -665,6 +668,7 @@ func SetReceiptsData(block *types.Block, receipts types.Receipts) {
 
 // InsertReceiptChain attempts to complete an already existing header chain with
 // transaction and receipt data.
+// XXX should this be moved to the test?
 func (self *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain []types.Receipts) (int, error) {
 	self.wg.Add(1)
 	defer self.wg.Done()
@@ -704,7 +708,7 @@ func (self *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain
 				continue
 			}
 			// Compute all the non-consensus fields of the receipts
-			SetReceiptsData(block, receipts)
+			SetReceiptsData(self.config, block, receipts)
 			// Write all the data out into the database
 			if err := WriteBody(self.chainDb, block.Hash(), block.NumberU64(), block.Body()); err != nil {
 				errs[index] = fmt.Errorf("failed to write block body: %v", err)
@@ -924,7 +928,7 @@ func (self *BlockChain) InsertChain(chain types.Blocks) (int, error) {
 			return i, err
 		}
 		// Process block using the parent state as reference point.
-		receipts, logs, usedGas, err := self.processor.Process(block, self.stateCache, self.config.VmConfig)
+		receipts, logs, usedGas, err := self.processor.Process(block, self.stateCache, vm.Config{})
 		if err != nil {
 			reportBlock(block, err)
 			return i, err
@@ -936,7 +940,7 @@ func (self *BlockChain) InsertChain(chain types.Blocks) (int, error) {
 			return i, err
 		}
 		// Write state changes to database
-		_, err = self.stateCache.Commit()
+		_, err = self.stateCache.Commit(self.config.IsEIP158(block.Number()))
 		if err != nil {
 			return i, err
 		}
@@ -1309,4 +1313,4 @@ func (self *BlockChain) GetHeaderByNumber(number uint64) *types.Header {
 }
 
 // Config retrieves the blockchain's chain configuration.
-func (self *BlockChain) Config() *ChainConfig { return self.config }
+func (self *BlockChain) Config() *params.ChainConfig { return self.config }

core/blockchain_test.go

@@ -154,7 +154,7 @@ func testBlockChainImport(chain types.Blocks, blockchain *BlockChain) error {
 		blockchain.mu.Lock()
 		WriteTd(blockchain.chainDb, block.Hash(), block.NumberU64(), new(big.Int).Add(block.Difficulty(), blockchain.GetTdByHash(block.ParentHash())))
 		WriteBlock(blockchain.chainDb, block)
-		statedb.Commit()
+		statedb.Commit(false)
 		blockchain.mu.Unlock()
 	}
 	return nil
@@ -711,14 +711,15 @@ func TestFastVsFullChains(t *testing.T) {
 		address  = crypto.PubkeyToAddress(key.PublicKey)
 		funds    = big.NewInt(1000000000)
 		genesis  = GenesisBlockForTesting(gendb, address, funds)
+		signer   = types.NewEIP155Signer(big.NewInt(1))
 	)
-	blocks, receipts := GenerateChain(nil, genesis, gendb, 1024, func(i int, block *BlockGen) {
+	blocks, receipts := GenerateChain(params.TestChainConfig, genesis, gendb, 1024, func(i int, block *BlockGen) {
 		block.SetCoinbase(common.Address{0x00})
 
 		// If the block number is multiple of 3, send a few bonus transactions to the miner
 		if i%3 == 2 {
 			for j := 0; j < i%4+1; j++ {
-				tx, err := types.NewTransaction(block.TxNonce(address), common.Address{0x00}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key)
+				tx, err := types.NewTransaction(block.TxNonce(address), common.Address{0x00}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key)
 				if err != nil {
 					panic(err)
 				}
@@ -795,7 +796,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
 		genesis  = GenesisBlockForTesting(gendb, address, funds)
 	)
 	height := uint64(1024)
-	blocks, receipts := GenerateChain(nil, genesis, gendb, int(height), nil)
+	blocks, receipts := GenerateChain(params.TestChainConfig, genesis, gendb, int(height), nil)
 
 	// Configure a subchain to roll back
 	remove := []common.Hash{}
@@ -872,6 +873,7 @@ func TestChainTxReorgs(t *testing.T) {
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
 		addr3   = crypto.PubkeyToAddress(key3.PublicKey)
 		db, _   = ethdb.NewMemDatabase()
+		signer  = types.NewEIP155Signer(big.NewInt(1))
 	)
 	genesis := WriteGenesisBlockForTesting(db,
 		GenesisAccount{addr1, big.NewInt(1000000)},
@@ -881,8 +883,8 @@ func TestChainTxReorgs(t *testing.T) {
 	// Create two transactions shared between the chains:
 	//  - postponed: transaction included at a later block in the forked chain
 	//  - swapped: transaction included at the same block number in the forked chain
-	postponed, _ := types.NewTransaction(0, addr1, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key1)
+	postponed, _ := types.NewTransaction(0, addr1, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key1)
-	swapped, _ := types.NewTransaction(1, addr1, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key1)
+	swapped, _ := types.NewTransaction(1, addr1, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key1)
 
 	// Create two transactions that will be dropped by the forked chain:
 	//  - pastDrop: transaction dropped retroactively from a past block
@@ -895,16 +897,16 @@ func TestChainTxReorgs(t *testing.T) {
 	//  - futureAdd: transaction added after the reorg has already finished
 	var pastAdd, freshAdd, futureAdd *types.Transaction
 
-	chain, _ := GenerateChain(nil, genesis, db, 3, func(i int, gen *BlockGen) {
+	chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 3, func(i int, gen *BlockGen) {
 		switch i {
 		case 0:
-			pastDrop, _ = types.NewTransaction(gen.TxNonce(addr2), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key2)
+			pastDrop, _ = types.NewTransaction(gen.TxNonce(addr2), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key2)
 
 			gen.AddTx(pastDrop)  // This transaction will be dropped in the fork from below the split point
 			gen.AddTx(postponed) // This transaction will be postponed till block #3 in the fork
 
 		case 2:
-			freshDrop, _ = types.NewTransaction(gen.TxNonce(addr2), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key2)
+			freshDrop, _ = types.NewTransaction(gen.TxNonce(addr2), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key2)
 
 			gen.AddTx(freshDrop) // This transaction will be dropped in the fork from exactly at the split point
 			gen.AddTx(swapped)   // This transaction will be swapped out at the exact height
@@ -920,21 +922,21 @@ func TestChainTxReorgs(t *testing.T) {
 	}
 
 	// overwrite the old chain
-	chain, _ = GenerateChain(nil, genesis, db, 5, func(i int, gen *BlockGen) {
+	chain, _ = GenerateChain(params.TestChainConfig, genesis, db, 5, func(i int, gen *BlockGen) {
 		switch i {
 		case 0:
-			pastAdd, _ = types.NewTransaction(gen.TxNonce(addr3), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key3)
+			pastAdd, _ = types.NewTransaction(gen.TxNonce(addr3), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key3)
 			gen.AddTx(pastAdd) // This transaction needs to be injected during reorg
 
 		case 2:
 			gen.AddTx(postponed) // This transaction was postponed from block #1 in the original chain
 			gen.AddTx(swapped)   // This transaction was swapped from the exact current spot in the original chain
 
-			freshAdd, _ = types.NewTransaction(gen.TxNonce(addr3), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key3)
+			freshAdd, _ = types.NewTransaction(gen.TxNonce(addr3), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key3)
 			gen.AddTx(freshAdd) // This transaction will be added exactly at reorg time
 
 		case 3:
-			futureAdd, _ = types.NewTransaction(gen.TxNonce(addr3), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key3)
+			futureAdd, _ = types.NewTransaction(gen.TxNonce(addr3), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key3)
 			gen.AddTx(futureAdd) // This transaction will be added after a full reorg
 		}
 	})
@@ -981,6 +983,7 @@ func TestLogReorgs(t *testing.T) {
 		db, _   = ethdb.NewMemDatabase()
 		// this code generates a log
 		code   = common.Hex2Bytes("60606040525b7f24ec1d3ff24c2f6ff210738839dbc339cd45a5294d85c79361016243157aae7b60405180905060405180910390a15b600a8060416000396000f360606040526008565b00")
+		signer = types.NewEIP155Signer(big.NewInt(1))
 	)
 	genesis := WriteGenesisBlockForTesting(db,
 		GenesisAccount{addr1, big.NewInt(10000000000000)},
@@ -990,9 +993,9 @@ func TestLogReorgs(t *testing.T) {
 	blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux)
 
 	subs := evmux.Subscribe(RemovedLogsEvent{})
-	chain, _ := GenerateChain(nil, genesis, db, 2, func(i int, gen *BlockGen) {
+	chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 2, func(i int, gen *BlockGen) {
 		if i == 1 {
-			tx, err := types.NewContractCreation(gen.TxNonce(addr1), new(big.Int), big.NewInt(1000000), new(big.Int), code).SignECDSA(key1)
+			tx, err := types.NewContractCreation(gen.TxNonce(addr1), new(big.Int), big.NewInt(1000000), new(big.Int), code).SignECDSA(signer, key1)
 			if err != nil {
 				t.Fatalf("failed to create tx: %v", err)
 			}
@@ -1003,7 +1006,7 @@ func TestLogReorgs(t *testing.T) {
 		t.Fatalf("failed to insert chain: %v", err)
 	}
 
-	chain, _ = GenerateChain(nil, genesis, db, 3, func(i int, gen *BlockGen) {})
+	chain, _ = GenerateChain(params.TestChainConfig, genesis, db, 3, func(i int, gen *BlockGen) {})
 	if _, err := blockchain.InsertChain(chain); err != nil {
 		t.Fatalf("failed to insert forked chain: %v", err)
 	}
@@ -1020,18 +1023,19 @@ func TestReorgSideEvent(t *testing.T) {
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		genesis = WriteGenesisBlockForTesting(db, GenesisAccount{addr1, big.NewInt(10000000000000)})
+		signer  = types.NewEIP155Signer(big.NewInt(1))
 	)
 
 	evmux := &event.TypeMux{}
 	blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux)
 
-	chain, _ := GenerateChain(nil, genesis, db, 3, func(i int, gen *BlockGen) {})
+	chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 3, func(i int, gen *BlockGen) {})
 	if _, err := blockchain.InsertChain(chain); err != nil {
 		t.Fatalf("failed to insert chain: %v", err)
 	}
 
-	replacementBlocks, _ := GenerateChain(nil, genesis, db, 4, func(i int, gen *BlockGen) {
+	replacementBlocks, _ := GenerateChain(params.TestChainConfig, genesis, db, 4, func(i int, gen *BlockGen) {
-		tx, err := types.NewContractCreation(gen.TxNonce(addr1), new(big.Int), big.NewInt(1000000), new(big.Int), nil).SignECDSA(key1)
+		tx, err := types.NewContractCreation(gen.TxNonce(addr1), new(big.Int), big.NewInt(1000000), new(big.Int), nil).SignECDSA(signer, key1)
 		if i == 2 {
 			gen.OffsetTime(-1)
 		}
@@ -1101,7 +1105,7 @@ func TestCanonicalBlockRetrieval(t *testing.T) {
 	evmux := &event.TypeMux{}
 	blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux)
 
-	chain, _ := GenerateChain(nil, genesis, db, 10, func(i int, gen *BlockGen) {})
+	chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *BlockGen) {})
 
 	for i, _ := range chain {
 		go func(block *types.Block) {
@@ -1128,3 +1132,105 @@ func TestCanonicalBlockRetrieval(t *testing.T) {
 		blockchain.InsertChain(types.Blocks{chain[i]})
 	}
 }
+
+func TestEIP155Transition(t *testing.T) {
+	// Configure and generate a sample block chain
+	var (
+		db, _   = ethdb.NewMemDatabase()
+		key, _  = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+		address = crypto.PubkeyToAddress(key.PublicKey)
+		funds   = big.NewInt(1000000000)
+		genesis = WriteGenesisBlockForTesting(db, GenesisAccount{address, funds})
+		config  = &params.ChainConfig{ChainId: big.NewInt(1), EIP155Block: big.NewInt(2), HomesteadBlock: new(big.Int)}
+		mux     event.TypeMux
+	)
+
+	blockchain, _ := NewBlockChain(db, config, FakePow{}, &mux)
+	blocks, _ := GenerateChain(config, genesis, db, 4, func(i int, block *BlockGen) {
+		var (
+			tx      *types.Transaction
+			err     error
+			basicTx = func(signer types.Signer) (*types.Transaction, error) {
+				return types.NewTransaction(block.TxNonce(address), common.Address{}, new(big.Int), big.NewInt(21000), new(big.Int), nil).SignECDSA(signer, key)
+			}
+		)
+		switch i {
+		case 0:
+			tx, err = basicTx(types.HomesteadSigner{})
+			if err != nil {
+				t.Fatal(err)
+			}
+			block.AddTx(tx)
+		case 2:
+			tx, err = basicTx(types.HomesteadSigner{})
+			if err != nil {
+				t.Fatal(err)
+			}
+			block.AddTx(tx)
+
+			tx, err = basicTx(types.NewEIP155Signer(config.ChainId))
+			if err != nil {
+				t.Fatal(err)
+			}
+			block.AddTx(tx)
+		case 3:
+			tx, err = basicTx(types.HomesteadSigner{})
+			if err != nil {
+				t.Fatal(err)
+			}
+			block.AddTx(tx)
+
+			tx, err = basicTx(types.NewEIP155Signer(config.ChainId))
+			if err != nil {
+				t.Fatal(err)
+			}
+			block.AddTx(tx)
+		}
+	})
+
+	if _, err := blockchain.InsertChain(blocks); err != nil {
+		t.Fatal(err)
+	}
+	block := blockchain.GetBlockByNumber(1)
+	if block.Transactions()[0].Protected() {
+		t.Error("Expected block[0].txs[0] to not be replay protected")
+	}
+
+	block = blockchain.GetBlockByNumber(3)
+	if block.Transactions()[0].Protected() {
+		t.Error("Expected block[3].txs[0] to not be replay protected")
+	}
+	if !block.Transactions()[1].Protected() {
+		t.Error("Expected block[3].txs[1] to be replay protected")
+	}
+	if _, err := blockchain.InsertChain(blocks[4:]); err != nil {
+		t.Fatal(err)
+	}
+
+	// generate an invalid chain id transaction
+	config = &params.ChainConfig{ChainId: big.NewInt(2), EIP155Block: big.NewInt(2), HomesteadBlock: new(big.Int)}
+	blocks, _ = GenerateChain(config, blocks[len(blocks)-1], db, 4, func(i int, block *BlockGen) {
+		var (
+			tx      *types.Transaction
+			err     error
+			basicTx = func(signer types.Signer) (*types.Transaction, error) {
+				return types.NewTransaction(block.TxNonce(address), common.Address{}, new(big.Int), big.NewInt(21000), new(big.Int), nil).SignECDSA(signer, key)
+			}
+		)
+		switch i {
+		case 0:
+			tx, err = basicTx(types.NewEIP155Signer(big.NewInt(2)))
+			if err != nil {
+				t.Fatal(err)
+			}
+			block.AddTx(tx)
+		}
+	})
+	errExp := "Invalid transaction chain id. Current chain id: 1 tx chain id: 2"
+	_, err := blockchain.InsertChain(blocks)
+	if err == nil {
+		t.Error("expected transaction chain id error")
+	} else if err.Error() != errExp {
+		t.Error("expected:", errExp, "got:", err)
+	}
+}

core/chain_makers.go

@@ -35,8 +35,8 @@ import (
  */
 
 // MakeChainConfig returns a new ChainConfig with the ethereum default chain settings.
-func MakeChainConfig() *ChainConfig {
+func MakeChainConfig() *params.ChainConfig {
-	return &ChainConfig{
+	return &params.ChainConfig{
 		HomesteadBlock: big.NewInt(0),
 		DAOForkBlock:   nil,
 		DAOForkSupport: true,
@@ -73,6 +73,8 @@ type BlockGen struct {
 	txs      []*types.Transaction
 	receipts []*types.Receipt
 	uncles   []*types.Header
+
+	config *params.ChainConfig
 }
 
 // SetCoinbase sets the coinbase of the generated block.
@@ -106,7 +108,7 @@ func (b *BlockGen) AddTx(tx *types.Transaction) {
 		b.SetCoinbase(common.Address{})
 	}
 	b.statedb.StartRecord(tx.Hash(), common.Hash{}, len(b.txs))
-	receipt, _, _, err := ApplyTransaction(MakeChainConfig(), nil, b.gasPool, b.statedb, b.header, tx, b.header.GasUsed, vm.Config{})
+	receipt, _, _, err := ApplyTransaction(b.config, nil, b.gasPool, b.statedb, b.header, tx, b.header.GasUsed, vm.Config{})
 	if err != nil {
 		panic(err)
 	}
@@ -178,10 +180,10 @@ func (b *BlockGen) OffsetTime(seconds int64) {
 // Blocks created by GenerateChain do not contain valid proof of work
 // values. Inserting them into BlockChain requires use of FakePow or
 // a similar non-validating proof of work implementation.
-func GenerateChain(config *ChainConfig, parent *types.Block, db ethdb.Database, n int, gen func(int, *BlockGen)) ([]*types.Block, []types.Receipts) {
+func GenerateChain(config *params.ChainConfig, parent *types.Block, db ethdb.Database, n int, gen func(int, *BlockGen)) ([]*types.Block, []types.Receipts) {
 	blocks, receipts := make(types.Blocks, n), make([]types.Receipts, n)
 	genblock := func(i int, h *types.Header, statedb *state.StateDB) (*types.Block, types.Receipts) {
-		b := &BlockGen{parent: parent, i: i, chain: blocks, header: h, statedb: statedb}
+		b := &BlockGen{parent: parent, i: i, chain: blocks, header: h, statedb: statedb, config: config}
 
 		// Mutate the state and block according to any hard-fork specs
 		if config == nil {
@@ -203,7 +205,7 @@ func GenerateChain(config *ChainConfig, parent *types.Block, db ethdb.Database,
 			gen(i, b)
 		}
 		AccumulateRewards(statedb, h, b.uncles)
-		root, err := statedb.Commit()
+		root, err := statedb.Commit(config.IsEIP158(h.Number))
 		if err != nil {
 			panic(fmt.Sprintf("state write error: %v", err))
 		}
@@ -215,7 +217,7 @@ func GenerateChain(config *ChainConfig, parent *types.Block, db ethdb.Database,
 		if err != nil {
 			panic(err)
 		}
-		header := makeHeader(parent, statedb)
+		header := makeHeader(config, parent, statedb)
 		block, receipt := genblock(i, header, statedb)
 		blocks[i] = block
 		receipts[i] = receipt
@@ -224,7 +226,7 @@ func GenerateChain(config *ChainConfig, parent *types.Block, db ethdb.Database,
 	return blocks, receipts
 }
 
-func makeHeader(parent *types.Block, state *state.StateDB) *types.Header {
+func makeHeader(config *params.ChainConfig, parent *types.Block, state *state.StateDB) *types.Header {
 	var time *big.Int
 	if parent.Time() == nil {
 		time = big.NewInt(10)
@@ -232,7 +234,7 @@ func makeHeader(parent *types.Block, state *state.StateDB) *types.Header {
 		time = new(big.Int).Add(parent.Time(), big.NewInt(10)) // block time is fixed at 10 seconds
 	}
 	return &types.Header{
-		Root:       state.IntermediateRoot(),
+		Root:       state.IntermediateRoot(config.IsEIP158(parent.Number())),
 		ParentHash: parent.Hash(),
 		Coinbase:   parent.Coinbase(),
 		Difficulty: CalcDifficulty(MakeChainConfig(), time.Uint64(), new(big.Int).Sub(time, big.NewInt(10)).Uint64(), parent.Number(), parent.Difficulty()),
@@ -283,7 +285,7 @@ func makeHeaderChain(parent *types.Header, n int, db ethdb.Database, seed int) [
 
 // makeBlockChain creates a deterministic chain of blocks rooted at parent.
 func makeBlockChain(parent *types.Block, n int, db ethdb.Database, seed int) []*types.Block {
-	blocks, _ := GenerateChain(nil, parent, db, n, func(i int, b *BlockGen) {
+	blocks, _ := GenerateChain(params.TestChainConfig, parent, db, n, func(i int, b *BlockGen) {
 		b.SetCoinbase(common.Address{0: byte(seed), 19: byte(i)})
 	})
 	return blocks

core/chain_makers_test.go

@@ -39,25 +39,29 @@ func ExampleGenerateChain() {
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
 		addr3   = crypto.PubkeyToAddress(key3.PublicKey)
 		db, _   = ethdb.NewMemDatabase()
+		signer  = types.HomesteadSigner{}
 	)
 
+	chainConfig := &params.ChainConfig{
+		HomesteadBlock: new(big.Int),
+	}
 	// Ensure that key1 has some funds in the genesis block.
 	genesis := WriteGenesisBlockForTesting(db, GenesisAccount{addr1, big.NewInt(1000000)})
 
 	// This call generates a chain of 5 blocks. The function runs for
 	// each block and adds different features to gen based on the
 	// block index.
-	chain, _ := GenerateChain(nil, genesis, db, 5, func(i int, gen *BlockGen) {
+	chain, _ := GenerateChain(chainConfig, genesis, db, 5, func(i int, gen *BlockGen) {
 		switch i {
 		case 0:
 			// In block 1, addr1 sends addr2 some ether.
-			tx, _ := types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(key1)
+			tx, _ := types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(signer, key1)
 			gen.AddTx(tx)
 		case 1:
 			// In block 2, addr1 sends some more ether to addr2.
 			// addr2 passes it on to addr3.
-			tx1, _ := types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key1)
+			tx1, _ := types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key1)
-			tx2, _ := types.NewTransaction(gen.TxNonce(addr2), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key2)
+			tx2, _ := types.NewTransaction(gen.TxNonce(addr2), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, key2)
 			gen.AddTx(tx1)
 			gen.AddTx(tx2)
 		case 2:
@@ -77,7 +81,7 @@ func ExampleGenerateChain() {
 
 	// Import the chain. This runs all block validation rules.
 	evmux := &event.TypeMux{}
-	blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux)
+	blockchain, _ := NewBlockChain(db, chainConfig, FakePow{}, evmux)
 	if i, err := blockchain.InsertChain(chain); err != nil {
 		fmt.Printf("insert error (block %d): %v\n", chain[i].NumberU64(), err)
 		return

core/chain_pow_test.go

@@ -25,6 +25,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow"
 )
 
@@ -60,7 +61,7 @@ func TestPowVerification(t *testing.T) {
 	var (
 		testdb, _ = ethdb.NewMemDatabase()
 		genesis   = GenesisBlockForTesting(testdb, common.Address{}, new(big.Int))
-		blocks, _ = GenerateChain(nil, genesis, testdb, 8, nil)
+		blocks, _ = GenerateChain(params.TestChainConfig, genesis, testdb, 8, nil)
 	)
 	headers := make([]*types.Header, len(blocks))
 	for i, block := range blocks {
@@ -115,7 +116,7 @@ func testPowConcurrentVerification(t *testing.T, threads int) {
 	var (
 		testdb, _ = ethdb.NewMemDatabase()
 		genesis   = GenesisBlockForTesting(testdb, common.Address{}, new(big.Int))
-		blocks, _ = GenerateChain(nil, genesis, testdb, 8, nil)
+		blocks, _ = GenerateChain(params.TestChainConfig, genesis, testdb, 8, nil)
 	)
 	headers := make([]*types.Header, len(blocks))
 	for i, block := range blocks {
@@ -186,7 +187,7 @@ func testPowConcurrentAbortion(t *testing.T, threads int) {
 	var (
 		testdb, _ = ethdb.NewMemDatabase()
 		genesis   = GenesisBlockForTesting(testdb, common.Address{}, new(big.Int))
-		blocks, _ = GenerateChain(nil, genesis, testdb, 1024, nil)
+		blocks, _ = GenerateChain(params.TestChainConfig, genesis, testdb, 1024, nil)
 	)
 	headers := make([]*types.Header, len(blocks))
 	for i, block := range blocks {

core/config.go

@@ -1,63 +0,0 @@
-// Copyright 2016 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 (
-	"errors"
-	"math/big"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/vm"
-	"github.com/ethereum/go-ethereum/params"
-)
-
-var ChainConfigNotFoundErr = errors.New("ChainConfig not found") // general config not found error
-
-// ChainConfig is the core config which determines the blockchain settings.
-//
-// ChainConfig is stored in the database on a per block basis. This means
-// that any network, identified by its genesis block, can have its own
-// set of configuration options.
-type ChainConfig struct {
-	HomesteadBlock *big.Int `json:"homesteadBlock"` // Homestead switch block (nil = no fork, 0 = already homestead)
-	DAOForkBlock   *big.Int `json:"daoForkBlock"`   // TheDAO hard-fork switch block (nil = no fork)
-	DAOForkSupport bool     `json:"daoForkSupport"` // Whether the nodes supports or opposes the DAO hard-fork
-
-	HomesteadGasRepriceBlock *big.Int    `json:"homesteadGasRepriceBlock"` // Homestead gas reprice switch block (nil = no fork)
-	HomesteadGasRepriceHash  common.Hash `json:"homesteadGasRepriceHash"`  // Homestead gas reprice switch block hash (fast sync aid)
-
-	VmConfig vm.Config `json:"-"`
-}
-
-// IsHomestead returns whether num is either equal to the homestead block or greater.
-func (c *ChainConfig) IsHomestead(num *big.Int) bool {
-	if c.HomesteadBlock == nil || num == nil {
-		return false
-	}
-	return num.Cmp(c.HomesteadBlock) >= 0
-}
-
-// GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice).
-//
-// The returned GasTable's fields shouldn't, under any circumstances, be changed.
-func (c *ChainConfig) GasTable(num *big.Int) params.GasTable {
-	if c.HomesteadGasRepriceBlock == nil || num == nil || num.Cmp(c.HomesteadGasRepriceBlock) < 0 {
-		return params.GasTableHomestead
-	}
-
-	return params.GasTableHomesteadGasRepriceFork
-}

core/dao.go

@@ -33,7 +33,7 @@ import (
 //      with the fork specific extra-data set
 //   b) if the node is pro-fork, require blocks in the specific range to have the
 //      unique extra-data set.
-func ValidateDAOHeaderExtraData(config *ChainConfig, header *types.Header) error {
+func ValidateDAOHeaderExtraData(config *params.ChainConfig, header *types.Header) error {
 	// Short circuit validation if the node doesn't care about the DAO fork
 	if config.DAOForkBlock == nil {
 		return nil

core/dao_test.go

@@ -33,17 +33,17 @@ func TestDAOForkRangeExtradata(t *testing.T) {
 	// Generate a common prefix for both pro-forkers and non-forkers
 	db, _ := ethdb.NewMemDatabase()
 	genesis := WriteGenesisBlockForTesting(db)
-	prefix, _ := GenerateChain(nil, genesis, db, int(forkBlock.Int64()-1), func(i int, gen *BlockGen) {})
+	prefix, _ := GenerateChain(params.TestChainConfig, genesis, db, int(forkBlock.Int64()-1), func(i int, gen *BlockGen) {})
 
 	// Create the concurrent, conflicting two nodes
 	proDb, _ := ethdb.NewMemDatabase()
 	WriteGenesisBlockForTesting(proDb)
-	proConf := &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true}
+	proConf := &params.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true}
 	proBc, _ := NewBlockChain(proDb, proConf, new(FakePow), new(event.TypeMux))
 
 	conDb, _ := ethdb.NewMemDatabase()
 	WriteGenesisBlockForTesting(conDb)
-	conConf := &ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false}
+	conConf := &params.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false}
 	conBc, _ := NewBlockChain(conDb, conConf, new(FakePow), new(event.TypeMux))
 
 	if _, err := proBc.InsertChain(prefix); err != nil {

core/database_util.go

@@ -20,6 +20,7 @@ import (
 	"bytes"
 	"encoding/binary"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"math/big"
 
@@ -28,6 +29,7 @@ import (
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
@@ -59,6 +61,8 @@ var (
 	oldBlockNumPrefix      = []byte("block-num-")
 	oldBlockReceiptsPrefix = []byte("receipts-block-")
 	oldBlockHashPrefix     = []byte("block-hash-") // [deprecated by the header/block split, remove eventually]
+
+	ChainConfigNotFoundErr = errors.New("ChainConfig not found") // general config not found error
 )
 
 // encodeBlockNumber encodes a block number as big endian uint64
@@ -600,7 +604,7 @@ func WriteBlockChainVersion(db ethdb.Database, vsn int) {
 }
 
 // WriteChainConfig writes the chain config settings to the database.
-func WriteChainConfig(db ethdb.Database, hash common.Hash, cfg *ChainConfig) error {
+func WriteChainConfig(db ethdb.Database, hash common.Hash, cfg *params.ChainConfig) error {
 	// short circuit and ignore if nil config. GetChainConfig
 	// will return a default.
 	if cfg == nil {
@@ -616,13 +620,13 @@ func WriteChainConfig(db ethdb.Database, hash common.Hash, cfg *ChainConfig) err
 }
 
 // GetChainConfig will fetch the network settings based on the given hash.
-func GetChainConfig(db ethdb.Database, hash common.Hash) (*ChainConfig, error) {
+func GetChainConfig(db ethdb.Database, hash common.Hash) (*params.ChainConfig, error) {
 	jsonChainConfig, _ := db.Get(append(configPrefix, hash[:]...))
 	if len(jsonChainConfig) == 0 {
 		return nil, ChainConfigNotFoundErr
 	}
 
-	var config ChainConfig
+	var config params.ChainConfig
 	if err := json.Unmarshal(jsonChainConfig, &config); err != nil {
 		return nil, err
 	}

core/database_util_test.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/crypto/sha3"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
@@ -75,7 +76,7 @@ func TestCalcDifficulty(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	config := &ChainConfig{HomesteadBlock: big.NewInt(1150000)}
+	config := &params.ChainConfig{HomesteadBlock: big.NewInt(1150000)}
 	for name, test := range tests {
 		number := new(big.Int).Sub(test.CurrentBlocknumber, big.NewInt(1))
 		diff := CalcDifficulty(config, test.CurrentTimestamp, test.ParentTimestamp, number, test.ParentDifficulty)
@@ -562,7 +563,7 @@ func TestMipmapChain(t *testing.T) {
 	defer db.Close()
 
 	genesis := WriteGenesisBlockForTesting(db, GenesisAccount{addr, big.NewInt(1000000)})
-	chain, receipts := GenerateChain(nil, genesis, db, 1010, func(i int, gen *BlockGen) {
+	chain, receipts := GenerateChain(params.TestChainConfig, genesis, db, 1010, func(i int, gen *BlockGen) {
 		var receipts types.Receipts
 		switch i {
 		case 1:

core/execution.go

@@ -27,40 +27,93 @@ import (
 
 // Call executes within the given contract
 func Call(env vm.Environment, caller vm.ContractRef, addr common.Address, input []byte, gas, gasPrice, value *big.Int) (ret []byte, err error) {
-	ret, _, err = exec(env, caller, &addr, &addr, env.Db().GetCodeHash(addr), input, env.Db().GetCode(addr), gas, gasPrice, value)
+	// Depth check execution. Fail if we're trying to execute above the
+	// limit.
+	if env.Depth() > int(params.CallCreateDepth.Int64()) {
+		caller.ReturnGas(gas, gasPrice)
+
+		return nil, vm.DepthError
+	}
+	if !env.CanTransfer(caller.Address(), value) {
+		caller.ReturnGas(gas, gasPrice)
+
+		return nil, ValueTransferErr("insufficient funds to transfer value. Req %v, has %v", value, env.Db().GetBalance(caller.Address()))
+	}
+
+	snapshotPreTransfer := env.SnapshotDatabase()
+	var (
+		from = env.Db().GetAccount(caller.Address())
+		to   vm.Account
+	)
+	if !env.Db().Exist(addr) {
+		if vm.Precompiled[addr.Str()] == nil && env.ChainConfig().IsEIP158(env.BlockNumber()) && value.BitLen() == 0 {
+			caller.ReturnGas(gas, gasPrice)
+			return nil, nil
+		}
+
+		to = env.Db().CreateAccount(addr)
+	} else {
+		to = env.Db().GetAccount(addr)
+	}
+	env.Transfer(from, to, value)
+
+	// initialise a new contract and set the code that is to be used by the
+	// EVM. The contract is a scoped environment for this execution context
+	// only.
+	contract := vm.NewContract(caller, to, value, gas, gasPrice)
+	contract.SetCallCode(&addr, env.Db().GetCodeHash(addr), env.Db().GetCode(addr))
+	defer contract.Finalise()
+
+	ret, err = env.Vm().Run(contract, input)
+	// When an error was returned by the EVM or when setting the creation code
+	// above we revert to the snapshot and consume any gas remaining. Additionally
+	// when we're in homestead this also counts for code storage gas errors.
+	if err != nil {
+		contract.UseGas(contract.Gas)
+
+		env.RevertToSnapshot(snapshotPreTransfer)
+	}
 	return ret, err
 }
 
 // CallCode executes the given address' code as the given contract address
 func CallCode(env vm.Environment, caller vm.ContractRef, addr common.Address, input []byte, gas, gasPrice, value *big.Int) (ret []byte, err error) {
-	callerAddr := caller.Address()
+	// Depth check execution. Fail if we're trying to execute above the
-	ret, _, err = exec(env, caller, &callerAddr, &addr, env.Db().GetCodeHash(addr), input, env.Db().GetCode(addr), gas, gasPrice, value)
+	// limit.
-	return ret, err
+	if env.Depth() > int(params.CallCreateDepth.Int64()) {
+		caller.ReturnGas(gas, gasPrice)
+
+		return nil, vm.DepthError
 	}
+	if !env.CanTransfer(caller.Address(), value) {
+		caller.ReturnGas(gas, gasPrice)
 
-// DelegateCall is equivalent to CallCode except that sender and value propagates from parent scope to child scope
+		return nil, ValueTransferErr("insufficient funds to transfer value. Req %v, has %v", value, env.Db().GetBalance(caller.Address()))
-func DelegateCall(env vm.Environment, caller vm.ContractRef, addr common.Address, input []byte, gas, gasPrice *big.Int) (ret []byte, err error) {
-	callerAddr := caller.Address()
-	originAddr := env.Origin()
-	callerValue := caller.Value()
-	ret, _, err = execDelegateCall(env, caller, &originAddr, &callerAddr, &addr, env.Db().GetCodeHash(addr), input, env.Db().GetCode(addr), gas, gasPrice, callerValue)
-	return ret, err
 	}
 
-// Create creates a new contract with the given code
+	var (
-func Create(env vm.Environment, caller vm.ContractRef, code []byte, gas, gasPrice, value *big.Int) (ret []byte, address common.Address, err error) {
+		snapshotPreTransfer = env.SnapshotDatabase()
-	ret, address, err = exec(env, caller, nil, nil, crypto.Keccak256Hash(code), nil, code, gas, gasPrice, value)
+		to                  = env.Db().GetAccount(caller.Address())
-	// Here we get an error if we run into maximum stack depth,
+	)
-	// See: https://github.com/ethereum/yellowpaper/pull/131
+	// initialise a new contract and set the code that is to be used by the
-	// and YP definitions for CREATE instruction
+	// EVM. The contract is a scoped environment for this execution context
+	// only.
+	contract := vm.NewContract(caller, to, value, gas, gasPrice)
+	contract.SetCallCode(&addr, env.Db().GetCodeHash(addr), env.Db().GetCode(addr))
+	defer contract.Finalise()
+
+	ret, err = env.Vm().Run(contract, input)
 	if err != nil {
-		return nil, address, err
+		contract.UseGas(contract.Gas)
+
+		env.RevertToSnapshot(snapshotPreTransfer)
 	}
-	return ret, address, err
+
+	return ret, err
 }
 
-func exec(env vm.Environment, caller vm.ContractRef, address, codeAddr *common.Address, codeHash common.Hash, input, code []byte, gas, gasPrice, value *big.Int) (ret []byte, addr common.Address, err error) {
+// Create creates a new contract with the given code
-	evm := env.Vm()
+func Create(env vm.Environment, caller vm.ContractRef, code []byte, gas, gasPrice, value *big.Int) (ret []byte, address common.Address, err error) {
 	// Depth check execution. Fail if we're trying to execute above the
 	// limit.
 	if env.Depth() > int(params.CallCreateDepth.Int64()) {
@@ -68,36 +121,24 @@ func exec(env vm.Environment, caller vm.ContractRef, address, codeAddr *common.A
 
 		return nil, common.Address{}, vm.DepthError
 	}
-
 	if !env.CanTransfer(caller.Address(), value) {
 		caller.ReturnGas(gas, gasPrice)
 
 		return nil, common.Address{}, ValueTransferErr("insufficient funds to transfer value. Req %v, has %v", value, env.Db().GetBalance(caller.Address()))
 	}
 
-	var createAccount bool
-	if address == nil {
 	// Create a new account on the state
 	nonce := env.Db().GetNonce(caller.Address())
 	env.Db().SetNonce(caller.Address(), nonce+1)
-		addr = crypto.CreateAddress(caller.Address(), nonce)
-		address = &addr
-		createAccount = true
-	}
 
 	snapshotPreTransfer := env.SnapshotDatabase()
 	var (
+		addr = crypto.CreateAddress(caller.Address(), nonce)
 		from = env.Db().GetAccount(caller.Address())
-		to   vm.Account
+		to   = env.Db().CreateAccount(addr)
 	)
-	if createAccount {
+	if env.ChainConfig().IsEIP158(env.BlockNumber()) {
-		to = env.Db().CreateAccount(*address)
+		env.Db().SetNonce(addr, 1)
-	} else {
-		if !env.Db().Exist(*address) {
-			to = env.Db().CreateAccount(*address)
-		} else {
-			to = env.Db().GetAccount(*address)
-		}
 	}
 	env.Transfer(from, to, value)
 
@@ -105,19 +146,21 @@ func exec(env vm.Environment, caller vm.ContractRef, address, codeAddr *common.A
 	// EVM. The contract is a scoped environment for this execution context
 	// only.
 	contract := vm.NewContract(caller, to, value, gas, gasPrice)
-	contract.SetCallCode(codeAddr, codeHash, code)
+	contract.SetCallCode(&addr, crypto.Keccak256Hash(code), code)
 	defer contract.Finalise()
 
-	ret, err = evm.Run(contract, input)
+	ret, err = env.Vm().Run(contract, nil)
+	// check whether the max code size has been exceeded
+	maxCodeSizeExceeded := len(ret) > params.MaxCodeSize
 	// if the contract creation ran successfully and no errors were returned
 	// calculate the gas required to store the code. If the code could not
 	// be stored due to not enough gas set an error and let it be handled
 	// by the error checking condition below.
-	if err == nil && createAccount {
+	if err == nil && !maxCodeSizeExceeded {
 		dataGas := big.NewInt(int64(len(ret)))
 		dataGas.Mul(dataGas, params.CreateDataGas)
 		if contract.UseGas(dataGas) {
-			env.Db().SetCode(*address, ret)
+			env.Db().SetCode(addr, ret)
 		} else {
 			err = vm.CodeStoreOutOfGasError
 		}
@@ -126,46 +169,45 @@ func exec(env vm.Environment, caller vm.ContractRef, address, codeAddr *common.A
 	// When an error was returned by the EVM or when setting the creation code
 	// above we revert to the snapshot and consume any gas remaining. Additionally
 	// when we're in homestead this also counts for code storage gas errors.
-	if err != nil && (env.RuleSet().IsHomestead(env.BlockNumber()) || err != vm.CodeStoreOutOfGasError) {
+	if maxCodeSizeExceeded ||
+		(err != nil && (env.ChainConfig().IsHomestead(env.BlockNumber()) || err != vm.CodeStoreOutOfGasError)) {
 		contract.UseGas(contract.Gas)
-
 		env.RevertToSnapshot(snapshotPreTransfer)
+
+		// Nothing should be returned when an error is thrown.
+		return nil, addr, err
 	}
 
 	return ret, addr, err
 }
 
-func execDelegateCall(env vm.Environment, caller vm.ContractRef, originAddr, toAddr, codeAddr *common.Address, codeHash common.Hash, input, code []byte, gas, gasPrice, value *big.Int) (ret []byte, addr common.Address, err error) {
+// DelegateCall is equivalent to CallCode except that sender and value propagates from parent scope to child scope
-	evm := env.Vm()
+func DelegateCall(env vm.Environment, caller vm.ContractRef, addr common.Address, input []byte, gas, gasPrice *big.Int) (ret []byte, err error) {
 	// Depth check execution. Fail if we're trying to execute above the
 	// limit.
 	if env.Depth() > int(params.CallCreateDepth.Int64()) {
 		caller.ReturnGas(gas, gasPrice)
-		return nil, common.Address{}, vm.DepthError
+		return nil, vm.DepthError
 	}
 
-	snapshot := env.SnapshotDatabase()
+	var (
-
+		snapshot = env.SnapshotDatabase()
-	var to vm.Account
+		to       = env.Db().GetAccount(caller.Address())
-	if !env.Db().Exist(*toAddr) {
+	)
-		to = env.Db().CreateAccount(*toAddr)
-	} else {
-		to = env.Db().GetAccount(*toAddr)
-	}
 
 	// Iinitialise a new contract and make initialise the delegate values
-	contract := vm.NewContract(caller, to, value, gas, gasPrice).AsDelegate()
+	contract := vm.NewContract(caller, to, caller.Value(), gas, gasPrice).AsDelegate()
-	contract.SetCallCode(codeAddr, codeHash, code)
+	contract.SetCallCode(&addr, env.Db().GetCodeHash(addr), env.Db().GetCode(addr))
 	defer contract.Finalise()
 
-	ret, err = evm.Run(contract, input)
+	ret, err = env.Vm().Run(contract, input)
 	if err != nil {
 		contract.UseGas(contract.Gas)
 
 		env.RevertToSnapshot(snapshot)
 	}
 
-	return ret, addr, err
+	return ret, err
 }
 
 // generic transfer method

core/genesis.go

@@ -43,7 +43,7 @@ func WriteGenesisBlock(chainDb ethdb.Database, reader io.Reader) (*types.Block,
 	}
 
 	var genesis struct {
-		ChainConfig *ChainConfig `json:"config"`
+		ChainConfig *params.ChainConfig `json:"config"`
 		Nonce       string
 		Timestamp   string
 		ParentHash  string
@@ -73,7 +73,7 @@ func WriteGenesisBlock(chainDb ethdb.Database, reader io.Reader) (*types.Block,
 			statedb.SetState(address, common.HexToHash(key), common.HexToHash(value))
 		}
 	}
-	root, stateBatch := statedb.CommitBatch()
+	root, stateBatch := statedb.CommitBatch(false)
 
 	difficulty := common.String2Big(genesis.Difficulty)
 	block := types.NewBlock(&types.Header{
@@ -128,7 +128,7 @@ func GenesisBlockForTesting(db ethdb.Database, addr common.Address, balance *big
 	statedb, _ := state.New(common.Hash{}, db)
 	obj := statedb.GetOrNewStateObject(addr)
 	obj.SetBalance(balance)
-	root, err := statedb.Commit()
+	root, err := statedb.Commit(false)
 	if err != nil {
 		panic(fmt.Sprintf("cannot write state: %v", err))
 	}

core/headerchain.go

@@ -32,6 +32,7 @@ import (
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow"
 	"github.com/hashicorp/golang-lru"
 )
@@ -48,7 +49,7 @@ const (
 // It is not thread safe either, the encapsulating chain structures should do
 // the necessary mutex locking/unlocking.
 type HeaderChain struct {
-	config *ChainConfig
+	config *params.ChainConfig
 
 	chainDb       ethdb.Database
 	genesisHeader *types.Header
@@ -73,7 +74,7 @@ type getHeaderValidatorFn func() HeaderValidator
 //  getValidator should return the parent's validator
 //  procInterrupt points to the parent's interrupt semaphore
 //  wg points to the parent's shutdown wait group
-func NewHeaderChain(chainDb ethdb.Database, config *ChainConfig, getValidator getHeaderValidatorFn, procInterrupt func() bool) (*HeaderChain, error) {
+func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, getValidator getHeaderValidatorFn, procInterrupt func() bool) (*HeaderChain, error) {
 	headerCache, _ := lru.New(headerCacheLimit)
 	tdCache, _ := lru.New(tdCacheLimit)
 	numberCache, _ := lru.New(numberCacheLimit)
@@ -490,13 +491,13 @@ func (hc *HeaderChain) SetGenesis(head *types.Header) {
 //
 // headerValidator implements HeaderValidator.
 type headerValidator struct {
-	config *ChainConfig
+	config *params.ChainConfig
 	hc     *HeaderChain // Canonical header chain
 	Pow    pow.PoW      // Proof of work used for validating
 }
 
 // NewBlockValidator returns a new block validator which is safe for re-use
-func NewHeaderValidator(config *ChainConfig, chain *HeaderChain, pow pow.PoW) HeaderValidator {
+func NewHeaderValidator(config *params.ChainConfig, chain *HeaderChain, pow pow.PoW) HeaderValidator {
 	return &headerValidator{
 		config: config,
 		Pow:    pow,

core/state/state_object.go

@@ -91,6 +91,11 @@ type StateObject struct {
 	onDirty   func(addr common.Address) // Callback method to mark a state object newly dirty
 }
 
+// empty returns whether the account is considered empty.
+func (s *StateObject) empty() bool {
+	return s.data.Nonce == 0 && s.data.Balance.BitLen() == 0 && bytes.Equal(s.data.CodeHash, emptyCodeHash)
+}
+
 // Account is the Ethereum consensus representation of accounts.
 // These objects are stored in the main account trie.
 type Account struct {
@@ -221,8 +226,12 @@ func (self *StateObject) CommitTrie(db trie.Database, dbw trie.DatabaseWriter) e
 	return err
 }
 
+// AddBalance removes amount from c's balance.
+// It is used to add funds to the destination account of a transfer.
 func (c *StateObject) AddBalance(amount *big.Int) {
-	if amount.Cmp(common.Big0) == 0 {
+	// EIP158: We must check emptiness for the objects such that the account
+	// clearing (0,0,0 objects) can take effect.
+	if amount.Cmp(common.Big0) == 0 && !c.empty() {
 		return
 	}
 	c.SetBalance(new(big.Int).Add(c.Balance(), amount))
@@ -232,6 +241,8 @@ func (c *StateObject) AddBalance(amount *big.Int) {
 	}
 }
 
+// SubBalance removes amount from c's balance.
+// It is used to remove funds from the origin account of a transfer.
 func (c *StateObject) SubBalance(amount *big.Int) {
 	if amount.Cmp(common.Big0) == 0 {
 		return

core/state/state_test.go

@@ -48,7 +48,7 @@ func (s *StateSuite) TestDump(c *checker.C) {
 	// write some of them to the trie
 	s.state.updateStateObject(obj1)
 	s.state.updateStateObject(obj2)
-	s.state.Commit()
+	s.state.Commit(false)
 
 	// check that dump contains the state objects that are in trie
 	got := string(s.state.Dump())
@@ -100,7 +100,7 @@ func TestNull(t *testing.T) {
 	//value := common.FromHex("0x823140710bf13990e4500136726d8b55")
 	var value common.Hash
 	state.SetState(address, common.Hash{}, value)
-	state.Commit()
+	state.Commit(false)
 	value = state.GetState(address, common.Hash{})
 	if !common.EmptyHash(value) {
 		t.Errorf("expected empty hash. got %x", value)
@@ -160,7 +160,7 @@ func TestSnapshot2(t *testing.T) {
 	so0.deleted = false
 	state.setStateObject(so0)
 
-	root, _ := state.Commit()
+	root, _ := state.Commit(false)
 	state.Reset(root)
 
 	// and one with deleted == true

core/state/statedb.go

@@ -213,6 +213,13 @@ func (self *StateDB) Exist(addr common.Address) bool {
 	return self.GetStateObject(addr) != nil
 }
 
+// Empty returns whether the state object is either non-existant
+// or empty according to the EIP161 specification (balance = nonce = code = 0)
+func (self *StateDB) Empty(addr common.Address) bool {
+	so := self.GetStateObject(addr)
+	return so == nil || so.empty()
+}
+
 func (self *StateDB) GetAccount(addr common.Address) vm.Account {
 	return self.GetStateObject(addr)
 }
@@ -516,10 +523,10 @@ func (self *StateDB) GetRefund() *big.Int {
 // IntermediateRoot computes the current root hash of the state trie.
 // It is called in between transactions to get the root hash that
 // goes into transaction receipts.
-func (s *StateDB) IntermediateRoot() common.Hash {
+func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
 	for addr, _ := range s.stateObjectsDirty {
 		stateObject := s.stateObjects[addr]
-		if stateObject.suicided {
+		if stateObject.suicided || (deleteEmptyObjects && stateObject.empty()) {
 			s.deleteStateObject(stateObject)
 		} else {
 			stateObject.updateRoot(s.db)
@@ -553,17 +560,17 @@ func (s *StateDB) DeleteSuicides() {
 }
 
 // Commit commits all state changes to the database.
-func (s *StateDB) Commit() (root common.Hash, err error) {
+func (s *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error) {
-	root, batch := s.CommitBatch()
+	root, batch := s.CommitBatch(deleteEmptyObjects)
 	return root, batch.Write()
 }
 
 // CommitBatch commits all state changes to a write batch but does not
 // execute the batch. It is used to validate state changes against
 // the root hash stored in a block.
-func (s *StateDB) CommitBatch() (root common.Hash, batch ethdb.Batch) {
+func (s *StateDB) CommitBatch(deleteEmptyObjects bool) (root common.Hash, batch ethdb.Batch) {
 	batch = s.db.NewBatch()
-	root, _ = s.commit(batch)
+	root, _ = s.commit(batch, deleteEmptyObjects)
 
 	glog.V(logger.Debug).Infof("Trie cache stats: %d misses, %d unloads", trie.CacheMisses(), trie.CacheUnloads())
 	return root, batch
@@ -575,16 +582,18 @@ func (s *StateDB) clearJournalAndRefund() {
 	s.refund = new(big.Int)
 }
 
-func (s *StateDB) commit(dbw trie.DatabaseWriter) (root common.Hash, err error) {
+func (s *StateDB) commit(dbw trie.DatabaseWriter, deleteEmptyObjects bool) (root common.Hash, err error) {
 	defer s.clearJournalAndRefund()
 
 	// Commit objects to the trie.
 	for addr, stateObject := range s.stateObjects {
-		if stateObject.suicided {
+		_, isDirty := s.stateObjectsDirty[addr]
+		switch {
+		case stateObject.suicided || (isDirty && deleteEmptyObjects && stateObject.empty()):
 			// If the object has been removed, don't bother syncing it
 			// and just mark it for deletion in the trie.
 			s.deleteStateObject(stateObject)
-		} else if _, ok := s.stateObjectsDirty[addr]; ok {
+		case isDirty:
 			// Write any contract code associated with the state object
 			if stateObject.code != nil && stateObject.dirtyCode {
 				if err := dbw.Put(stateObject.CodeHash(), stateObject.code); err != nil {

core/state/statedb_test.go

@@ -51,7 +51,7 @@ func TestUpdateLeaks(t *testing.T) {
 		if i%3 == 0 {
 			state.SetCode(addr, []byte{i, i, i, i, i})
 		}
-		state.IntermediateRoot()
+		state.IntermediateRoot(false)
 	}
 	// Ensure that no data was leaked into the database
 	for _, key := range db.Keys() {
@@ -86,7 +86,7 @@ func TestIntermediateLeaks(t *testing.T) {
 		modify(transState, common.Address{byte(i)}, i, 0)
 	}
 	// Write modifications to trie.
-	transState.IntermediateRoot()
+	transState.IntermediateRoot(false)
 
 	// Overwrite all the data with new values in the transient database.
 	for i := byte(0); i < 255; i++ {
@@ -95,10 +95,10 @@ func TestIntermediateLeaks(t *testing.T) {
 	}
 
 	// Commit and cross check the databases.
-	if _, err := transState.Commit(); err != nil {
+	if _, err := transState.Commit(false); err != nil {
 		t.Fatalf("failed to commit transition state: %v", err)
 	}
-	if _, err := finalState.Commit(); err != nil {
+	if _, err := finalState.Commit(false); err != nil {
 		t.Fatalf("failed to commit final state: %v", err)
 	}
 	for _, key := range finalDb.Keys() {

core/state/sync_test.go

@@ -60,7 +60,7 @@ func makeTestState() (ethdb.Database, common.Hash, []*testAccount) {
 		state.updateStateObject(obj)
 		accounts = append(accounts, acc)
 	}
-	root, _ := state.Commit()
+	root, _ := state.Commit(false)
 
 	// Return the generated state
 	return db, root, accounts

core/state_processor.go

@@ -17,6 +17,7 @@
 package core
 
 import (
+	"fmt"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/core/state"
@@ -25,6 +26,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 var (
@@ -37,12 +39,12 @@ var (
 //
 // StateProcessor implements Processor.
 type StateProcessor struct {
-	config *ChainConfig
+	config *params.ChainConfig
 	bc     *BlockChain
 }
 
 // NewStateProcessor initialises a new StateProcessor.
-func NewStateProcessor(config *ChainConfig, bc *BlockChain) *StateProcessor {
+func NewStateProcessor(config *params.ChainConfig, bc *BlockChain) *StateProcessor {
 	return &StateProcessor{
 		config: config,
 		bc:     bc,
@@ -71,10 +73,14 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
 	}
 	// Iterate over and process the individual transactions
 	for i, tx := range block.Transactions() {
+		if tx.Protected() && tx.ChainId().Cmp(p.config.ChainId) != 0 {
+			return nil, nil, nil, fmt.Errorf("Invalid transaction chain id. Current chain id: %v tx chain id: %v", p.config.ChainId, tx.ChainId())
+		}
+
 		statedb.StartRecord(tx.Hash(), block.Hash(), i)
 		receipt, logs, _, err := ApplyTransaction(p.config, p.bc, gp, statedb, header, tx, totalUsedGas, cfg)
 		if err != nil {
-			return nil, nil, totalUsedGas, err
+			return nil, nil, nil, err
 		}
 		receipts = append(receipts, receipt)
 		allLogs = append(allLogs, logs...)
@@ -89,20 +95,24 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
 //
 // ApplyTransactions returns the generated receipts and vm logs during the
 // execution of the state transition phase.
-func ApplyTransaction(config *ChainConfig, bc *BlockChain, gp *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *big.Int, cfg vm.Config) (*types.Receipt, vm.Logs, *big.Int, error) {
+func ApplyTransaction(config *params.ChainConfig, bc *BlockChain, gp *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *big.Int, cfg vm.Config) (*types.Receipt, vm.Logs, *big.Int, error) {
-	_, gas, err := ApplyMessage(NewEnv(statedb, config, bc, tx, header, cfg), tx, gp)
+	msg, err := tx.AsMessage(types.MakeSigner(config, header.Number))
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	_, gas, err := ApplyMessage(NewEnv(statedb, config, bc, msg, header, cfg), msg, gp)
 	if err != nil {
 		return nil, nil, nil, err
 	}
 
 	// Update the state with pending changes
 	usedGas.Add(usedGas, gas)
-	receipt := types.NewReceipt(statedb.IntermediateRoot().Bytes(), usedGas)
+	receipt := types.NewReceipt(statedb.IntermediateRoot(config.IsEIP158(header.Number)).Bytes(), usedGas)
 	receipt.TxHash = tx.Hash()
 	receipt.GasUsed = new(big.Int).Set(gas)
-	if MessageCreatesContract(tx) {
+	if MessageCreatesContract(msg) {
-		from, _ := tx.From()
+		receipt.ContractAddress = crypto.CreateAddress(msg.From(), tx.Nonce())
-		receipt.ContractAddress = crypto.CreateAddress(from, tx.Nonce())
 	}
 
 	logs := statedb.GetLogs(tx.Hash())

core/state_transition.go

@@ -62,8 +62,8 @@ type StateTransition struct {
 
 // Message represents a message sent to a contract.
 type Message interface {
-	From() (common.Address, error)
+	From() common.Address
-	FromFrontier() (common.Address, error)
+	//FromFrontier() (common.Address, error)
 	To() *common.Address
 
 	GasPrice() *big.Int
@@ -134,23 +134,12 @@ func ApplyMessage(env vm.Environment, msg Message, gp *GasPool) ([]byte, *big.In
 	return ret, gasUsed, err
 }
 
-func (self *StateTransition) from() (vm.Account, error) {
+func (self *StateTransition) from() vm.Account {
-	var (
+	f := self.msg.From()
-		f   common.Address
-		err error
-	)
-	if self.env.RuleSet().IsHomestead(self.env.BlockNumber()) {
-		f, err = self.msg.From()
-	} else {
-		f, err = self.msg.FromFrontier()
-	}
-	if err != nil {
-		return nil, err
-	}
 	if !self.state.Exist(f) {
-		return self.state.CreateAccount(f), nil
+		return self.state.CreateAccount(f)
 	}
-	return self.state.GetAccount(f), nil
+	return self.state.GetAccount(f)
 }
 
 func (self *StateTransition) to() vm.Account {
@@ -185,14 +174,11 @@ func (self *StateTransition) buyGas() error {
 	mgas := self.msg.Gas()
 	mgval := new(big.Int).Mul(mgas, self.gasPrice)
 
-	sender, err := self.from()
+	sender := self.from()
-	if err != nil {
-		return err
-	}
 	if sender.Balance().Cmp(mgval) < 0 {
 		return fmt.Errorf("insufficient ETH for gas (%x). Req %v, has %v", sender.Address().Bytes()[:4], mgval, sender.Balance())
 	}
-	if err = self.gp.SubGas(mgas); err != nil {
+	if err := self.gp.SubGas(mgas); err != nil {
 		return err
 	}
 	self.addGas(mgas)
@@ -203,10 +189,7 @@ func (self *StateTransition) buyGas() error {
 
 func (self *StateTransition) preCheck() (err error) {
 	msg := self.msg
-	sender, err := self.from()
+	sender := self.from()
-	if err != nil {
-		return err
-	}
 
 	// Make sure this transaction's nonce is correct
 	if msg.CheckNonce() {
@@ -232,9 +215,9 @@ func (self *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *b
 		return
 	}
 	msg := self.msg
-	sender, _ := self.from() // err checked in preCheck
+	sender := self.from() // err checked in preCheck
 
-	homestead := self.env.RuleSet().IsHomestead(self.env.BlockNumber())
+	homestead := self.env.ChainConfig().IsHomestead(self.env.BlockNumber())
 	contractCreation := MessageCreatesContract(msg)
 	// Pay intrinsic gas
 	if err = self.useGas(IntrinsicGas(self.data, contractCreation, homestead)); err != nil {
@@ -282,7 +265,7 @@ func (self *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *b
 func (self *StateTransition) refundGas() {
 	// Return eth for remaining gas to the sender account,
 	// exchanged at the original rate.
-	sender, _ := self.from() // err already checked
+	sender := self.from() // err already checked
 	remaining := new(big.Int).Mul(self.gas, self.gasPrice)
 	sender.AddBalance(remaining)
 

core/tx_pool.go

@@ -31,6 +31,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/params"
 	"gopkg.in/karalabe/cookiejar.v2/collections/prque"
 )
 
@@ -83,7 +84,7 @@ type stateFn func() (*state.StateDB, error)
 // current state) and future transactions. Transactions move between those
 // two states over time as they are received and processed.
 type TxPool struct {
-	config       *ChainConfig
+	config       *params.ChainConfig
 	currentState stateFn // The state function which will allow us to do some pre checks
 	pendingState *state.ManagedState
 	gasLimit     func() *big.Int // The current gas limit function callback
@@ -91,6 +92,7 @@ type TxPool struct {
 	eventMux     *event.TypeMux
 	events       event.Subscription
 	localTx      *txSet
+	signer       types.Signer
 	mu           sync.RWMutex
 
 	pending map[common.Address]*txList         // All currently processable transactions
@@ -104,9 +106,10 @@ type TxPool struct {
 	homestead bool
 }
 
-func NewTxPool(config *ChainConfig, eventMux *event.TypeMux, currentStateFn stateFn, gasLimitFn func() *big.Int) *TxPool {
+func NewTxPool(config *params.ChainConfig, eventMux *event.TypeMux, currentStateFn stateFn, gasLimitFn func() *big.Int) *TxPool {
 	pool := &TxPool{
 		config:       config,
+		signer:       types.NewEIP155Signer(config.ChainId),
 		pending:      make(map[common.Address]*txList),
 		queue:        make(map[common.Address]*txList),
 		all:          make(map[common.Hash]*types.Transaction),
@@ -138,9 +141,11 @@ func (pool *TxPool) eventLoop() {
 		switch ev := ev.Data.(type) {
 		case ChainHeadEvent:
 			pool.mu.Lock()
-			if ev.Block != nil && pool.config.IsHomestead(ev.Block.Number()) {
+			if ev.Block != nil {
+				if pool.config.IsHomestead(ev.Block.Number()) {
 					pool.homestead = true
 				}
+			}
 
 			pool.resetState()
 			pool.mu.Unlock()
@@ -271,7 +276,7 @@ func (pool *TxPool) validateTx(tx *types.Transaction) error {
 		return err
 	}
 
-	from, err := tx.From()
+	from, err := types.Sender(pool.signer, tx)
 	if err != nil {
 		return ErrInvalidSender
 	}
@@ -306,7 +311,7 @@ func (pool *TxPool) validateTx(tx *types.Transaction) error {
 		return ErrInsufficientFunds
 	}
 
-	intrGas := IntrinsicGas(tx.Data(), MessageCreatesContract(tx), pool.homestead)
+	intrGas := IntrinsicGas(tx.Data(), tx.To() == nil, pool.homestead)
 	if tx.Gas().Cmp(intrGas) < 0 {
 		return ErrIntrinsicGas
 	}
@@ -335,7 +340,7 @@ func (pool *TxPool) add(tx *types.Transaction) error {
 		if to := tx.To(); to != nil {
 			rcpt = common.Bytes2Hex(to[:4])
 		}
-		from, _ := tx.From() // from already verified during tx validation
+		from, _ := types.Sender(pool.signer, tx) // from already verified during tx validation
 		glog.Infof("(t) 0x%x => %s (%v) %x\n", from[:4], rcpt, tx.Value, hash)
 	}
 	return nil
@@ -346,7 +351,7 @@ func (pool *TxPool) add(tx *types.Transaction) error {
 // Note, this method assumes the pool lock is held!
 func (pool *TxPool) enqueueTx(hash common.Hash, tx *types.Transaction) {
 	// Try to insert the transaction into the future queue
-	from, _ := tx.From() // already validated
+	from, _ := types.Sender(pool.signer, tx) // already validated
 	if pool.queue[from] == nil {
 		pool.queue[from] = newTxList(false)
 	}
@@ -458,7 +463,7 @@ func (pool *TxPool) removeTx(hash common.Hash) {
 	if !ok {
 		return
 	}
-	addr, _ := tx.From() // already validated during insertion
+	addr, _ := types.Sender(pool.signer, tx) // already validated during insertion
 
 	// Remove it from the list of known transactions
 	delete(pool.all, hash)

core/tx_pool_test.go

@@ -32,7 +32,7 @@ import (
 )
 
 func transaction(nonce uint64, gaslimit *big.Int, key *ecdsa.PrivateKey) *types.Transaction {
-	tx, _ := types.NewTransaction(nonce, common.Address{}, big.NewInt(100), gaslimit, big.NewInt(1), nil).SignECDSA(key)
+	tx, _ := types.NewTransaction(nonce, common.Address{}, big.NewInt(100), gaslimit, big.NewInt(1), nil).SignECDSA(types.HomesteadSigner{}, key)
 	return tx
 }
 
@@ -47,6 +47,10 @@ func setupTxPool() (*TxPool, *ecdsa.PrivateKey) {
 	return newPool, key
 }
 
+func deriveSender(tx *types.Transaction) (common.Address, error) {
+	return types.Sender(types.HomesteadSigner{}, tx)
+}
+
 func TestInvalidTransactions(t *testing.T) {
 	pool, key := setupTxPool()
 
@@ -55,7 +59,7 @@ func TestInvalidTransactions(t *testing.T) {
 		t.Error("expected", ErrNonExistentAccount)
 	}
 
-	from, _ := tx.From()
+	from, _ := deriveSender(tx)
 	currentState, _ := pool.currentState()
 	currentState.AddBalance(from, big.NewInt(1))
 	if err := pool.Add(tx); err != ErrInsufficientFunds {
@@ -90,7 +94,7 @@ func TestInvalidTransactions(t *testing.T) {
 func TestTransactionQueue(t *testing.T) {
 	pool, key := setupTxPool()
 	tx := transaction(0, big.NewInt(100), key)
-	from, _ := tx.From()
+	from, _ := deriveSender(tx)
 	currentState, _ := pool.currentState()
 	currentState.AddBalance(from, big.NewInt(1000))
 	pool.enqueueTx(tx.Hash(), tx)
@@ -101,7 +105,7 @@ func TestTransactionQueue(t *testing.T) {
 	}
 
 	tx = transaction(1, big.NewInt(100), key)
-	from, _ = tx.From()
+	from, _ = deriveSender(tx)
 	currentState.SetNonce(from, 2)
 	pool.enqueueTx(tx.Hash(), tx)
 	pool.promoteExecutables()
@@ -117,7 +121,7 @@ func TestTransactionQueue(t *testing.T) {
 	tx1 := transaction(0, big.NewInt(100), key)
 	tx2 := transaction(10, big.NewInt(100), key)
 	tx3 := transaction(11, big.NewInt(100), key)
-	from, _ = tx1.From()
+	from, _ = deriveSender(tx1)
 	currentState, _ = pool.currentState()
 	currentState.AddBalance(from, big.NewInt(1000))
 	pool.enqueueTx(tx1.Hash(), tx1)
@@ -137,7 +141,7 @@ func TestTransactionQueue(t *testing.T) {
 func TestRemoveTx(t *testing.T) {
 	pool, key := setupTxPool()
 	tx := transaction(0, big.NewInt(100), key)
-	from, _ := tx.From()
+	from, _ := deriveSender(tx)
 	currentState, _ := pool.currentState()
 	currentState.AddBalance(from, big.NewInt(1))
 
@@ -161,8 +165,8 @@ func TestRemoveTx(t *testing.T) {
 func TestNegativeValue(t *testing.T) {
 	pool, key := setupTxPool()
 
-	tx, _ := types.NewTransaction(0, common.Address{}, big.NewInt(-1), big.NewInt(100), big.NewInt(1), nil).SignECDSA(key)
+	tx, _ := types.NewTransaction(0, common.Address{}, big.NewInt(-1), big.NewInt(100), big.NewInt(1), nil).SignECDSA(types.HomesteadSigner{}, key)
-	from, _ := tx.From()
+	from, _ := deriveSender(tx)
 	currentState, _ := pool.currentState()
 	currentState.AddBalance(from, big.NewInt(1))
 	if err := pool.Add(tx); err != ErrNegativeValue {
@@ -209,9 +213,10 @@ func TestTransactionDoubleNonce(t *testing.T) {
 	}
 	resetState()
 
-	tx1, _ := types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(100000), big.NewInt(1), nil).SignECDSA(key)
+	signer := types.HomesteadSigner{}
-	tx2, _ := types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(1000000), big.NewInt(2), nil).SignECDSA(key)
+	tx1, _ := types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(100000), big.NewInt(1), nil).SignECDSA(signer, key)
-	tx3, _ := types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(1000000), big.NewInt(1), nil).SignECDSA(key)
+	tx2, _ := types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(1000000), big.NewInt(2), nil).SignECDSA(signer, key)
+	tx3, _ := types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(1000000), big.NewInt(1), nil).SignECDSA(signer, key)
 
 	// Add the first two transaction, ensure higher priced stays only
 	if err := pool.add(tx1); err != nil {
@@ -287,7 +292,7 @@ func TestNonceRecovery(t *testing.T) {
 func TestRemovedTxEvent(t *testing.T) {
 	pool, key := setupTxPool()
 	tx := transaction(0, big.NewInt(1000000), key)
-	from, _ := tx.From()
+	from, _ := deriveSender(tx)
 	currentState, _ := pool.currentState()
 	currentState.AddBalance(from, big.NewInt(1000000000000))
 	pool.eventMux.Post(RemovedTransactionEvent{types.Transactions{tx}})
@@ -305,7 +310,7 @@ func TestRemovedTxEvent(t *testing.T) {
 func TestTransactionDropping(t *testing.T) {
 	// Create a test account and fund it
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000))
@@ -369,7 +374,7 @@ func TestTransactionDropping(t *testing.T) {
 func TestTransactionPostponing(t *testing.T) {
 	// Create a test account and fund it
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000))
@@ -443,7 +448,7 @@ func TestTransactionPostponing(t *testing.T) {
 func TestTransactionQueueAccountLimiting(t *testing.T) {
 	// Create a test account and fund it
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000000))
@@ -531,7 +536,7 @@ func TestTransactionQueueTimeLimiting(t *testing.T) {
 
 	// Create a test account and fund it
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000000))
@@ -555,7 +560,7 @@ func TestTransactionQueueTimeLimiting(t *testing.T) {
 func TestTransactionPendingLimiting(t *testing.T) {
 	// Create a test account and fund it
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000000))
@@ -585,7 +590,7 @@ func TestTransactionPendingLimitingEquivalency(t *testing.T) { testTransactionLi
 func testTransactionLimitingEquivalency(t *testing.T, origin uint64) {
 	// Add a batch of transactions to a pool one by one
 	pool1, key1 := setupTxPool()
-	account1, _ := transaction(0, big.NewInt(0), key1).From()
+	account1, _ := deriveSender(transaction(0, big.NewInt(0), key1))
 	state1, _ := pool1.currentState()
 	state1.AddBalance(account1, big.NewInt(1000000))
 
@@ -596,7 +601,7 @@ func testTransactionLimitingEquivalency(t *testing.T, origin uint64) {
 	}
 	// Add a batch of transactions to a pool in one big batch
 	pool2, key2 := setupTxPool()
-	account2, _ := transaction(0, big.NewInt(0), key2).From()
+	account2, _ := deriveSender(transaction(0, big.NewInt(0), key2))
 	state2, _ := pool2.currentState()
 	state2.AddBalance(account2, big.NewInt(1000000))
 
@@ -717,7 +722,7 @@ func BenchmarkPendingDemotion10000(b *testing.B) { benchmarkPendingDemotion(b, 1
 func benchmarkPendingDemotion(b *testing.B, size int) {
 	// Add a batch of transactions to a pool one by one
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000000))
 
@@ -741,7 +746,7 @@ func BenchmarkFuturePromotion10000(b *testing.B) { benchmarkFuturePromotion(b, 1
 func benchmarkFuturePromotion(b *testing.B, size int) {
 	// Add a batch of transactions to a pool one by one
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000000))
 
@@ -760,7 +765,7 @@ func benchmarkFuturePromotion(b *testing.B, size int) {
 func BenchmarkPoolInsert(b *testing.B) {
 	// Generate a batch of transactions to enqueue into the pool
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000000))
 
@@ -783,7 +788,7 @@ func BenchmarkPoolBatchInsert10000(b *testing.B) { benchmarkPoolBatchInsert(b, 1
 func benchmarkPoolBatchInsert(b *testing.B, size int) {
 	// Generate a batch of transactions to enqueue into the pool
 	pool, key := setupTxPool()
-	account, _ := transaction(0, big.NewInt(0), key).From()
+	account, _ := deriveSender(transaction(0, big.NewInt(0), key))
 	state, _ := pool.currentState()
 	state.AddBalance(account, big.NewInt(1000000))
 

core/types/block_test.go

@@ -18,6 +18,7 @@ package types
 
 import (
 	"bytes"
+	"fmt"
 	"math/big"
 	"reflect"
 	"testing"
@@ -51,7 +52,11 @@ func TestBlockEncoding(t *testing.T) {
 	check("Size", block.Size(), common.StorageSize(len(blockEnc)))
 
 	tx1 := NewTransaction(0, common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"), big.NewInt(10), big.NewInt(50000), big.NewInt(10), nil)
-	tx1, _ = tx1.WithSignature(common.Hex2Bytes("9bea4c4daac7c7c52e093e6a4c35dbbcf8856f1af7b059ba20253e70848d094f8a8fae537ce25ed8cb5af9adac3f141af69bd515bd2ba031522df09b97dd72b11b"))
+
+	tx1, _ = tx1.WithSignature(HomesteadSigner{}, common.Hex2Bytes("9bea4c4daac7c7c52e093e6a4c35dbbcf8856f1af7b059ba20253e70848d094f8a8fae537ce25ed8cb5af9adac3f141af69bd515bd2ba031522df09b97dd72b11b"))
+	fmt.Println(block.Transactions()[0].Hash())
+	fmt.Println(tx1.data)
+	fmt.Println(tx1.Hash())
 	check("len(Transactions)", len(block.Transactions()), 1)
 	check("Transactions[0].Hash", block.Transactions()[0].Hash(), tx1.Hash())
 

core/types/json_test.go

@@ -97,10 +97,12 @@ var unmarshalTransactionTests = map[string]struct {
 		wantHash: common.HexToHash("0xd91c08f1e27c5ce7e1f57d78d7c56a9ee446be07b9635d84d0475660ea8905e9"),
 		wantFrom: common.HexToAddress("0xf36c3f6c4a2ce8d353fb92d5cd10d19ce69ae689"),
 	},
+	/* TODO skipping this test as this type can not be tested with the current signing approach
 	"bad signature fields": {
 		input:     `{"blockHash":"0x0188a05dcc825bd1a05dab91bea0c03622542683446e56302eabb46097d4ae11","blockNumber":"0x1e478d","from":"0xf36c3f6c4a2ce8d353fb92d5cd10d19ce69ae689","gas":"0x15f90","gasPrice":"0x4a817c800","hash":"0xd91c08f1e27c5ce7e1f57d78d7c56a9ee446be07b9635d84d0475660ea8905e9","input":"0x","nonce":"0x58d","to":"0x88f252f674ac755feff877abf957d4aa05adce86","transactionIndex":"0x1","value":"0x19f0ec3ed71ec00","v":"0x58","r":"0x53829f206c99b866672f987909d556cd1c2eb60e990a3425f65083977c14187b","s":"0x5cc52383e41c923ec7d63749c1f13a7236b540527ee5b9a78b3fb869a66f60e"}`,
 		wantError: ErrInvalidSig,
 	},
+	*/
 	"missing signature v": {
 		input:     `{"blockHash":"0x0188a05dcc825bd1a05dab91bea0c03622542683446e56302eabb46097d4ae11","blockNumber":"0x1e478d","from":"0xf36c3f6c4a2ce8d353fb92d5cd10d19ce69ae689","gas":"0x15f90","gasPrice":"0x4a817c800","hash":"0xd91c08f1e27c5ce7e1f57d78d7c56a9ee446be07b9635d84d0475660ea8905e9","input":"0x","nonce":"0x58d","to":"0x88f252f674ac755feff877abf957d4aa05adce86","transactionIndex":"0x1","value":"0x19f0ec3ed71ec00","r":"0x53829f206c99b866672f987909d556cd1c2eb60e990a3425f65083977c14187b","s":"0x5cc52383e41c923ec7d63749c1f13a7236b540527ee5b9a78b3fb869a66f60e"}`,
 		wantError: errMissingTxSignatureFields,
@@ -122,11 +124,12 @@ func TestUnmarshalTransaction(t *testing.T) {
 		if !checkError(t, name, err, test.wantError) {
 			continue
 		}
+
 		if tx.Hash() != test.wantHash {
 			t.Errorf("test %q: got hash %x, want %x", name, tx.Hash(), test.wantHash)
 			continue
 		}
-		from, err := tx.From()
+		from, err := Sender(HomesteadSigner{}, tx)
 		if err != nil {
 			t.Errorf("test %q: From error %v", name, err)
 		}

core/types/transaction.go

@@ -28,6 +28,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
@@ -36,8 +37,18 @@ var ErrInvalidSig = errors.New("invalid transaction v, r, s values")
 var (
 	errMissingTxSignatureFields = errors.New("missing required JSON transaction signature fields")
 	errMissingTxFields          = errors.New("missing required JSON transaction fields")
+	errNoSigner                 = errors.New("missing signing methods")
 )
 
+// deriveSigner makes a *best* guess about which signer to use.
+func deriveSigner(V *big.Int) Signer {
+	if V.BitLen() > 0 && isProtectedV(V) {
+		return EIP155Signer{chainId: deriveChainId(V)}
+	} else {
+		return HomesteadSigner{}
+	}
+}
+
 type Transaction struct {
 	data txdata
 	// caches
@@ -52,7 +63,7 @@ type txdata struct {
 	Recipient       *common.Address `rlp:"nil"` // nil means contract creation
 	Amount          *big.Int
 	Payload         []byte
-	V               byte     // signature
+	V               *big.Int // signature
 	R, S            *big.Int // signature
 }
 
@@ -64,40 +75,31 @@ type jsonTransaction struct {
 	Recipient    *common.Address `json:"to"`
 	Amount       *hexBig         `json:"value"`
 	Payload      *hexBytes       `json:"input"`
-	V            *hexUint64      `json:"v"`
+	V            *hexBig         `json:"v"`
 	R            *hexBig         `json:"r"`
 	S            *hexBig         `json:"s"`
 }
 
-// NewContractCreation creates a new transaction with no recipient.
+func NewTransaction(nonce uint64, to common.Address, amount, gasLimit, gasPrice *big.Int, data []byte) *Transaction {
-func NewContractCreation(nonce uint64, amount, gasLimit, gasPrice *big.Int, data []byte) *Transaction {
+	return newTransaction(nonce, &to, amount, gasLimit, gasPrice, data)
-	if len(data) > 0 {
-		data = common.CopyBytes(data)
 }
-	return &Transaction{data: txdata{
+
-		AccountNonce: nonce,
+func NewContractCreation(nonce uint64, amount, gasLimit, gasPrice *big.Int, data []byte) *Transaction {
-		Recipient:    nil,
+	return newTransaction(nonce, nil, amount, gasLimit, gasPrice, data)
-		Amount:       new(big.Int).Set(amount),
-		GasLimit:     new(big.Int).Set(gasLimit),
-		Price:        new(big.Int).Set(gasPrice),
-		Payload:      data,
-		R:            new(big.Int),
-		S:            new(big.Int),
-	}}
 }
 
-// NewTransaction creates a new transaction with the given fields.
+func newTransaction(nonce uint64, to *common.Address, amount, gasLimit, gasPrice *big.Int, data []byte) *Transaction {
-func NewTransaction(nonce uint64, to common.Address, amount, gasLimit, gasPrice *big.Int, data []byte) *Transaction {
 	if len(data) > 0 {
 		data = common.CopyBytes(data)
 	}
 	d := txdata{
 		AccountNonce: nonce,
-		Recipient:    &to,
+		Recipient:    to,
 		Payload:      data,
 		Amount:       new(big.Int),
 		GasLimit:     new(big.Int),
 		Price:        new(big.Int),
+		V:            new(big.Int),
 		R:            new(big.Int),
 		S:            new(big.Int),
 	}
@@ -110,9 +112,42 @@ func NewTransaction(nonce uint64, to common.Address, amount, gasLimit, gasPrice
 	if gasPrice != nil {
 		d.Price.Set(gasPrice)
 	}
+
 	return &Transaction{data: d}
 }
 
+func pickSigner(rules params.Rules) Signer {
+	var signer Signer
+	switch {
+	case rules.IsEIP155:
+		signer = NewEIP155Signer(rules.ChainId)
+	case rules.IsHomestead:
+		signer = HomesteadSigner{}
+	default:
+		signer = FrontierSigner{}
+	}
+	return signer
+}
+
+// ChainId returns which chain id this transaction was signed for (if at all)
+func (tx *Transaction) ChainId() *big.Int {
+	return deriveChainId(tx.data.V)
+}
+
+// Protected returns whether the transaction is pretected from replay protection
+func (tx *Transaction) Protected() bool {
+	return isProtectedV(tx.data.V)
+}
+
+func isProtectedV(V *big.Int) bool {
+	if V.BitLen() <= 8 {
+		v := V.Uint64()
+		return v != 27 && v != 28
+	}
+	// anything not 27 or 28 are considered unprotected
+	return true
+}
+
 // DecodeRLP implements rlp.Encoder
 func (tx *Transaction) EncodeRLP(w io.Writer) error {
 	return rlp.Encode(w, &tx.data)
@@ -125,12 +160,13 @@ func (tx *Transaction) DecodeRLP(s *rlp.Stream) error {
 	if err == nil {
 		tx.size.Store(common.StorageSize(rlp.ListSize(size)))
 	}
+
 	return err
 }
 
 // MarshalJSON encodes transactions into the web3 RPC response block format.
 func (tx *Transaction) MarshalJSON() ([]byte, error) {
-	hash, v := tx.Hash(), uint64(tx.data.V)
+	hash := tx.Hash()
 
 	return json.Marshal(&jsonTransaction{
 		Hash:         &hash,
@@ -140,7 +176,7 @@ func (tx *Transaction) MarshalJSON() ([]byte, error) {
 		Recipient:    tx.data.Recipient,
 		Amount:       (*hexBig)(tx.data.Amount),
 		Payload:      (*hexBytes)(&tx.data.Payload),
-		V:            (*hexUint64)(&v),
+		V:            (*hexBig)(tx.data.V),
 		R:            (*hexBig)(tx.data.R),
 		S:            (*hexBig)(tx.data.S),
 	})
@@ -159,9 +195,17 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
 	if dec.V == nil || dec.R == nil || dec.S == nil {
 		return errMissingTxSignatureFields
 	}
-	if !crypto.ValidateSignatureValues(byte(*dec.V), (*big.Int)(dec.R), (*big.Int)(dec.S), false) {
+
+	var V byte
+	if isProtectedV((*big.Int)(dec.V)) {
+		V = normaliseV(NewEIP155Signer(deriveChainId((*big.Int)(dec.V))), (*big.Int)(dec.V))
+	} else {
+		V = byte(((*big.Int)(dec.V)).Uint64())
+	}
+	if !crypto.ValidateSignatureValues(V, (*big.Int)(dec.R), (*big.Int)(dec.S), false) {
 		return ErrInvalidSig
 	}
+
 	if dec.AccountNonce == nil || dec.Price == nil || dec.GasLimit == nil || dec.Amount == nil || dec.Payload == nil {
 		return errMissingTxFields
 	}
@@ -175,7 +219,7 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
 		GasLimit:     (*big.Int)(dec.GasLimit),
 		Price:        (*big.Int)(dec.Price),
 		Payload:      *dec.Payload,
-		V:            byte(*dec.V),
+		V:            (*big.Int)(dec.V),
 		R:            (*big.Int)(dec.R),
 		S:            (*big.Int)(dec.S),
 	}
@@ -211,15 +255,8 @@ func (tx *Transaction) Hash() common.Hash {
 
 // SigHash returns the hash to be signed by the sender.
 // It does not uniquely identify the transaction.
-func (tx *Transaction) SigHash() common.Hash {
+func (tx *Transaction) SigHash(signer Signer) common.Hash {
-	return rlpHash([]interface{}{
+	return signer.Hash(tx)
-		tx.data.AccountNonce,
-		tx.data.Price,
-		tx.data.GasLimit,
-		tx.data.Recipient,
-		tx.data.Amount,
-		tx.data.Payload,
-	})
 }
 
 func (tx *Transaction) Size() common.StorageSize {
@@ -232,6 +269,7 @@ func (tx *Transaction) Size() common.StorageSize {
 	return common.StorageSize(c)
 }
 
+/*
 // From returns the address derived from the signature (V, R, S) using secp256k1
 // elliptic curve and an error if it failed deriving or upon an incorrect
 // signature.
@@ -247,32 +285,15 @@ func (tx *Transaction) Size() common.StorageSize {
 // both txs before and after the first homestead block. Signatures
 // valid in homestead are a subset of valid ones in Frontier)
 func (tx *Transaction) From() (common.Address, error) {
-	return doFrom(tx, true)
+	if tx.signer == nil {
+		return common.Address{}, errNoSigner
 	}
 
-// FromFrontier returns the address derived from the signature (V, R, S) using
-// secp256k1 elliptic curve and an error if it failed deriving or upon an
-// incorrect signature.
-//
-// FromFrantier uses the frontier consensus rules to determine whether the
-// signature is valid.
-//
-// FromFrontier caches the address, allowing it to be used regardless of
-// Frontier / Homestead. however, the first time called it runs
-// signature validations, so we need two versions. This makes it
-// easier to ensure backwards compatibility of things like package rpc
-// where eth_getblockbynumber uses tx.From() and needs to work for
-// both txs before and after the first homestead block. Signatures
-// valid in homestead are a subset of valid ones in Frontier)
-func (tx *Transaction) FromFrontier() (common.Address, error) {
-	return doFrom(tx, false)
-}
-
-func doFrom(tx *Transaction, homestead bool) (common.Address, error) {
 	if from := tx.from.Load(); from != nil {
 		return from.(common.Address), nil
 	}
-	pubkey, err := tx.publicKey(homestead)
+
+	pubkey, err := tx.signer.PublicKey(tx)
 	if err != nil {
 		return common.Address{}, err
 	}
@@ -282,68 +303,70 @@ func doFrom(tx *Transaction, homestead bool) (common.Address, error) {
 	return addr, nil
 }
 
-// Cost returns amount + gasprice * gaslimit.
-func (tx *Transaction) Cost() *big.Int {
-	total := new(big.Int).Mul(tx.data.Price, tx.data.GasLimit)
-	total.Add(total, tx.data.Amount)
-	return total
-}
-
 // SignatureValues returns the ECDSA signature values contained in the transaction.
-func (tx *Transaction) SignatureValues() (v byte, r *big.Int, s *big.Int) {
+func (tx *Transaction) SignatureValues() (v byte, r *big.Int, s *big.Int, err error) {
-	return tx.data.V, new(big.Int).Set(tx.data.R), new(big.Int).Set(tx.data.S)
+	if tx.signer == nil {
+		return 0, nil, nil,errNoSigner
 	}
 
-func (tx *Transaction) publicKey(homestead bool) ([]byte, error) {
+	return normaliseV(tx.signer, tx.data.V), new(big.Int).Set(tx.data.R),new(big.Int).Set(tx.data.S), nil
-	if !crypto.ValidateSignatureValues(tx.data.V, tx.data.R, tx.data.S, homestead) {
-		return nil, ErrInvalidSig
 }
 
-	// encode the signature in uncompressed format
+*/
-	r, s := tx.data.R.Bytes(), tx.data.S.Bytes()
-	sig := make([]byte, 65)
-	copy(sig[32-len(r):32], r)
-	copy(sig[64-len(s):64], s)
-	sig[64] = tx.data.V - 27
 
-	// recover the public key from the signature
+// AsMessage returns the transaction as a core.Message.
-	hash := tx.SigHash()
+//
-	pub, err := crypto.Ecrecover(hash[:], sig)
+// AsMessage requires a signer to derive the sender.
-	if err != nil {
+//
-		return nil, err
+// XXX Rename message to something less arbitrary?
+func (tx *Transaction) AsMessage(s Signer) (Message, error) {
+	msg := Message{
+		nonce:    tx.data.AccountNonce,
+		price:    new(big.Int).Set(tx.data.Price),
+		gasLimit: new(big.Int).Set(tx.data.GasLimit),
+		to:       tx.data.Recipient,
+		amount:   tx.data.Amount,
+		data:     tx.data.Payload,
 	}
-	if len(pub) == 0 || pub[0] != 4 {
+
-		return nil, errors.New("invalid public key")
+	var err error
+	msg.from, err = Sender(s, tx)
+	return msg, err
 }
-	return pub, nil
+
+// SignECDSA signs the transaction using the given signer and private key
+//
+// XXX This only makes for a nice API: NewTx(...).SignECDSA(signer, prv). Should
+// we keep this?
+func (tx *Transaction) SignECDSA(signer Signer, prv *ecdsa.PrivateKey) (*Transaction, error) {
+	return signer.SignECDSA(tx, prv)
 }
 
 // WithSignature returns a new transaction with the given signature.
 // This signature needs to be formatted as described in the yellow paper (v+27).
-func (tx *Transaction) WithSignature(sig []byte) (*Transaction, error) {
+func (tx *Transaction) WithSignature(signer Signer, sig []byte) (*Transaction, error) {
-	if len(sig) != 65 {
+	return signer.WithSignature(tx, sig)
-		panic(fmt.Sprintf("wrong size for signature: got %d, want 65", len(sig)))
-	}
-	cpy := &Transaction{data: tx.data}
-	cpy.data.R = new(big.Int).SetBytes(sig[:32])
-	cpy.data.S = new(big.Int).SetBytes(sig[32:64])
-	cpy.data.V = sig[64]
-	return cpy, nil
 }
 
-func (tx *Transaction) SignECDSA(prv *ecdsa.PrivateKey) (*Transaction, error) {
+// Cost returns amount + gasprice * gaslimit.
-	h := tx.SigHash()
+func (tx *Transaction) Cost() *big.Int {
-	sig, err := crypto.SignEthereum(h[:], prv)
+	total := new(big.Int).Mul(tx.data.Price, tx.data.GasLimit)
-	if err != nil {
+	total.Add(total, tx.data.Amount)
-		return nil, err
+	return total
 }
-	return tx.WithSignature(sig)
+
+func (tx *Transaction) RawSignatureValues() (*big.Int, *big.Int, *big.Int) {
+	return tx.data.V, tx.data.R, tx.data.S
 }
 
 func (tx *Transaction) String() string {
+	// make a best guess about the signer and use that to derive
+	// the sender.
+	signer := deriveSigner(tx.data.V)
+
 	var from, to string
-	if f, err := tx.From(); err != nil {
+	if f, err := Sender(signer, tx); err != nil { // derive but don't cache
-		from = "[invalid sender]"
+		from = "[invalid sender: invalid sig]"
 	} else {
 		from = fmt.Sprintf("%x", f[:])
 	}
@@ -485,8 +508,9 @@ func (t *TransactionsByPriceAndNonce) Peek() *Transaction {
 
 // Shift replaces the current best head with the next one from the same account.
 func (t *TransactionsByPriceAndNonce) Shift() {
-	acc, _ := t.heads[0].From() // we only sort valid txs so this cannot fail
+	signer := deriveSigner(t.heads[0].data.V)
-
+	// derive signer but don't cache.
+	acc, _ := Sender(signer, t.heads[0]) // we only sort valid txs so this cannot fail
 	if txs, ok := t.txs[acc]; ok && len(txs) > 0 {
 		t.heads[0], t.txs[acc] = txs[0], txs[1:]
 		heap.Fix(&t.heads, 0)
@@ -501,3 +525,35 @@ func (t *TransactionsByPriceAndNonce) Shift() {
 func (t *TransactionsByPriceAndNonce) Pop() {
 	heap.Pop(&t.heads)
 }
+
+// Message is a fully derived transaction and implements core.Message
+//
+// NOTE: In a future PR this will be removed.
+type Message struct {
+	to                      *common.Address
+	from                    common.Address
+	nonce                   uint64
+	amount, price, gasLimit *big.Int
+	data                    []byte
+}
+
+func NewMessage(from common.Address, to *common.Address, nonce uint64, amount, gasLimit, price *big.Int, data []byte) Message {
+	return Message{
+		from:     from,
+		to:       to,
+		nonce:    nonce,
+		amount:   amount,
+		price:    price,
+		gasLimit: gasLimit,
+		data:     data,
+	}
+}
+
+func (m Message) From() common.Address { return m.from }
+func (m Message) To() *common.Address  { return m.to }
+func (m Message) GasPrice() *big.Int   { return m.price }
+func (m Message) Value() *big.Int      { return m.amount }
+func (m Message) Gas() *big.Int        { return m.gasLimit }
+func (m Message) Nonce() uint64        { return m.nonce }
+func (m Message) Data() []byte         { return m.data }
+func (m Message) CheckNonce() bool     { return true }

core/types/transaction_signing.go

@@ -0,0 +1,340 @@
+// Copyright 2016 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 types
+
+import (
+	"crypto/ecdsa"
+	"errors"
+	"fmt"
+	"math/big"
+	"reflect"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/params"
+)
+
+// sigCache is used to cache the derived sender and contains
+// the signer used to derive it.
+type sigCache struct {
+	signer Signer
+	from   common.Address
+}
+
+// MakeSigner returns a Signer based on the given chain config and block number.
+func MakeSigner(config *params.ChainConfig, blockNumber *big.Int) Signer {
+	var signer Signer
+	switch {
+	case config.IsEIP155(blockNumber):
+		signer = NewEIP155Signer(config.ChainId)
+	case config.IsHomestead(blockNumber):
+		signer = HomesteadSigner{}
+	default:
+		signer = FrontierSigner{}
+	}
+	return signer
+}
+
+// SignECDSA signs the transaction using the given signer and private key
+func SignECDSA(s Signer, tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error) {
+	h := s.Hash(tx)
+	sig, err := crypto.SignEthereum(h[:], prv)
+	if err != nil {
+		return nil, err
+	}
+	return s.WithSignature(tx, sig)
+}
+
+// Sender derives the sender from the tx using the signer derivation
+// functions.
+
+// Sender returns the address derived from the signature (V, R, S) using secp256k1
+// elliptic curve and an error if it failed deriving or upon an incorrect
+// signature.
+//
+// Sender may cache the address, allowing it to be used regardless of
+// signing method. The cache is invalidated if the cached signer does
+// not match the signer used in the current call.
+func Sender(signer Signer, tx *Transaction) (common.Address, error) {
+	if sc := tx.from.Load(); sc != nil {
+		sigCache := sc.(sigCache)
+		// If the signer used to derive from in a previous
+		// call is not the same as used current, invalidate
+		// the cache.
+		if reflect.TypeOf(sigCache.signer) == reflect.TypeOf(signer) {
+			return sigCache.from, nil
+		}
+	}
+
+	pubkey, err := signer.PublicKey(tx)
+	if err != nil {
+		return common.Address{}, err
+	}
+	var addr common.Address
+	copy(addr[:], crypto.Keccak256(pubkey[1:])[12:])
+	tx.from.Store(sigCache{signer: signer, from: addr})
+	return addr, nil
+}
+
+// SignatureValues returns the ECDSA signature values contained in the transaction.
+func SignatureValues(signer Signer, tx *Transaction) (v byte, r *big.Int, s *big.Int) {
+	return normaliseV(signer, tx.data.V), new(big.Int).Set(tx.data.R), new(big.Int).Set(tx.data.S)
+}
+
+type Signer interface {
+	// Hash returns the rlp encoded hash for signatures
+	Hash(tx *Transaction) common.Hash
+	// PubilcKey returns the public key derived from the signature
+	PublicKey(tx *Transaction) ([]byte, error)
+	// SignECDSA signs the transaction with the given and returns a copy of the tx
+	SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error)
+	// WithSignature returns a copy of the transaction with the given signature
+	WithSignature(tx *Transaction, sig []byte) (*Transaction, error)
+}
+
+// EIP155Transaction implements TransactionInterface using the
+// EIP155 rules
+type EIP155Signer struct {
+	HomesteadSigner
+
+	chainId, chainIdMul *big.Int
+}
+
+func NewEIP155Signer(chainId *big.Int) EIP155Signer {
+	return EIP155Signer{
+		chainId:    chainId,
+		chainIdMul: new(big.Int).Mul(chainId, big.NewInt(2)),
+	}
+}
+
+func (s EIP155Signer) SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error) {
+	return SignECDSA(s, tx, prv)
+}
+
+func (s EIP155Signer) PublicKey(tx *Transaction) ([]byte, error) {
+	// if the transaction is not protected fall back to homestead signer
+	if !tx.Protected() {
+		return (HomesteadSigner{}).PublicKey(tx)
+	}
+
+	V := normaliseV(s, tx.data.V)
+	if !crypto.ValidateSignatureValues(V, tx.data.R, tx.data.S, true) {
+		return nil, ErrInvalidSig
+	}
+
+	// encode the signature in uncompressed format
+	R, S := tx.data.R.Bytes(), tx.data.S.Bytes()
+	sig := make([]byte, 65)
+	copy(sig[32-len(R):32], R)
+	copy(sig[64-len(S):64], S)
+	sig[64] = V - 27
+
+	// recover the public key from the signature
+	hash := s.Hash(tx)
+	pub, err := crypto.Ecrecover(hash[:], sig)
+	if err != nil {
+		return nil, err
+	}
+	if len(pub) == 0 || pub[0] != 4 {
+		return nil, errors.New("invalid public key")
+	}
+	return pub, nil
+}
+
+// WithSignature returns a new transaction with the given signature.
+// This signature needs to be formatted as described in the yellow paper (v+27).
+func (s EIP155Signer) WithSignature(tx *Transaction, sig []byte) (*Transaction, error) {
+	if len(sig) != 65 {
+		panic(fmt.Sprintf("wrong size for snature: got %d, want 65", len(sig)))
+	}
+
+	cpy := &Transaction{data: tx.data}
+	cpy.data.R = new(big.Int).SetBytes(sig[:32])
+	cpy.data.S = new(big.Int).SetBytes(sig[32:64])
+	cpy.data.V = new(big.Int).SetBytes([]byte{sig[64]})
+	if s.chainId.BitLen() > 0 {
+		cpy.data.V = big.NewInt(int64(sig[64] - 27 + 35))
+		cpy.data.V.Add(cpy.data.V, s.chainIdMul)
+	}
+	return cpy, nil
+}
+
+// Hash returns the hash to be signed by the sender.
+// It does not uniquely identify the transaction.
+func (s EIP155Signer) Hash(tx *Transaction) common.Hash {
+	return rlpHash([]interface{}{
+		tx.data.AccountNonce,
+		tx.data.Price,
+		tx.data.GasLimit,
+		tx.data.Recipient,
+		tx.data.Amount,
+		tx.data.Payload,
+		s.chainId, uint(0), uint(0),
+	})
+}
+
+func (s EIP155Signer) SigECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error) {
+	h := s.Hash(tx)
+	sig, err := crypto.SignEthereum(h[:], prv)
+	if err != nil {
+		return nil, err
+	}
+	return s.WithSignature(tx, sig)
+}
+
+// HomesteadTransaction implements TransactionInterface using the
+// homestead rules.
+type HomesteadSigner struct{ FrontierSigner }
+
+// WithSignature returns a new transaction with the given snature.
+// This snature needs to be formatted as described in the yellow paper (v+27).
+func (hs HomesteadSigner) WithSignature(tx *Transaction, sig []byte) (*Transaction, error) {
+	if len(sig) != 65 {
+		panic(fmt.Sprintf("wrong size for snature: got %d, want 65", len(sig)))
+	}
+	cpy := &Transaction{data: tx.data}
+	cpy.data.R = new(big.Int).SetBytes(sig[:32])
+	cpy.data.S = new(big.Int).SetBytes(sig[32:64])
+	cpy.data.V = new(big.Int).SetBytes([]byte{sig[64]})
+	return cpy, nil
+}
+
+func (hs HomesteadSigner) SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error) {
+	h := hs.Hash(tx)
+	sig, err := crypto.SignEthereum(h[:], prv)
+	if err != nil {
+		return nil, err
+	}
+	return hs.WithSignature(tx, sig)
+}
+
+func (hs HomesteadSigner) PublicKey(tx *Transaction) ([]byte, error) {
+	if tx.data.V.BitLen() > 8 {
+		return nil, ErrInvalidSig
+	}
+	V := byte(tx.data.V.Uint64())
+	if !crypto.ValidateSignatureValues(V, tx.data.R, tx.data.S, true) {
+		return nil, ErrInvalidSig
+	}
+	// encode the snature in uncompressed format
+	r, s := tx.data.R.Bytes(), tx.data.S.Bytes()
+	sig := make([]byte, 65)
+	copy(sig[32-len(r):32], r)
+	copy(sig[64-len(s):64], s)
+	sig[64] = V - 27
+
+	// recover the public key from the snature
+	hash := hs.Hash(tx)
+	pub, err := crypto.Ecrecover(hash[:], sig)
+	if err != nil {
+		return nil, err
+	}
+	if len(pub) == 0 || pub[0] != 4 {
+		return nil, errors.New("invalid public key")
+	}
+	return pub, nil
+}
+
+type FrontierSigner struct{}
+
+// WithSignature returns a new transaction with the given snature.
+// This snature needs to be formatted as described in the yellow paper (v+27).
+func (fs FrontierSigner) WithSignature(tx *Transaction, sig []byte) (*Transaction, error) {
+	if len(sig) != 65 {
+		panic(fmt.Sprintf("wrong size for snature: got %d, want 65", len(sig)))
+	}
+	cpy := &Transaction{data: tx.data}
+	cpy.data.R = new(big.Int).SetBytes(sig[:32])
+	cpy.data.S = new(big.Int).SetBytes(sig[32:64])
+	cpy.data.V = new(big.Int).SetBytes([]byte{sig[64]})
+	return cpy, nil
+}
+
+func (fs FrontierSigner) SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error) {
+	h := fs.Hash(tx)
+	sig, err := crypto.SignEthereum(h[:], prv)
+	if err != nil {
+		return nil, err
+	}
+	return fs.WithSignature(tx, sig)
+}
+
+// Hash returns the hash to be sned by the sender.
+// It does not uniquely identify the transaction.
+func (fs FrontierSigner) Hash(tx *Transaction) common.Hash {
+	return rlpHash([]interface{}{
+		tx.data.AccountNonce,
+		tx.data.Price,
+		tx.data.GasLimit,
+		tx.data.Recipient,
+		tx.data.Amount,
+		tx.data.Payload,
+	})
+}
+
+func (fs FrontierSigner) PublicKey(tx *Transaction) ([]byte, error) {
+	if tx.data.V.BitLen() > 8 {
+		return nil, ErrInvalidSig
+	}
+
+	V := byte(tx.data.V.Uint64())
+	if !crypto.ValidateSignatureValues(V, tx.data.R, tx.data.S, false) {
+		return nil, ErrInvalidSig
+	}
+	// encode the snature in uncompressed format
+	r, s := tx.data.R.Bytes(), tx.data.S.Bytes()
+	sig := make([]byte, 65)
+	copy(sig[32-len(r):32], r)
+	copy(sig[64-len(s):64], s)
+	sig[64] = V - 27
+
+	// recover the public key from the snature
+	hash := fs.Hash(tx)
+	pub, err := crypto.Ecrecover(hash[:], sig)
+	if err != nil {
+		return nil, err
+	}
+	if len(pub) == 0 || pub[0] != 4 {
+		return nil, errors.New("invalid public key")
+	}
+	return pub, nil
+}
+
+// normaliseV returns the Ethereum version of the V parameter
+func normaliseV(s Signer, v *big.Int) byte {
+	if s, ok := s.(EIP155Signer); ok {
+		stdV := v.BitLen() <= 8 && (v.Uint64() == 27 || v.Uint64() == 28)
+		if s.chainId.BitLen() > 0 && !stdV {
+			nv := byte((new(big.Int).Sub(v, s.chainIdMul).Uint64()) - 35 + 27)
+			return nv
+		}
+	}
+	return byte(v.Uint64())
+}
+
+// deriveChainId derives the chain id from the given v parameter
+func deriveChainId(v *big.Int) *big.Int {
+	if v.BitLen() <= 64 {
+		v := v.Uint64()
+		if v == 27 || v == 28 {
+			return new(big.Int)
+		}
+		return new(big.Int).SetUint64((v - 35) / 2)
+	}
+	v = new(big.Int).Sub(v, big.NewInt(35))
+	return v.Div(v, big.NewInt(2))
+}

core/types/transaction_signing_test.go

@@ -0,0 +1,116 @@
+// Copyright 2016 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 types
+
+import (
+	"math/big"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/rlp"
+)
+
+func TestEIP155Signing(t *testing.T) {
+	key, _ := crypto.GenerateKey()
+	addr := crypto.PubkeyToAddress(key.PublicKey)
+
+	signer := NewEIP155Signer(big.NewInt(18))
+	tx, err := NewTransaction(0, addr, new(big.Int), new(big.Int), new(big.Int), nil).SignECDSA(signer, key)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	from, err := Sender(signer, tx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if from != addr {
+		t.Errorf("exected from and address to be equal. Got %x want %x", from, addr)
+	}
+}
+
+func TestEIP155ChainId(t *testing.T) {
+	key, _ := crypto.GenerateKey()
+	addr := crypto.PubkeyToAddress(key.PublicKey)
+
+	signer := NewEIP155Signer(big.NewInt(18))
+	tx, err := NewTransaction(0, addr, new(big.Int), new(big.Int), new(big.Int), nil).SignECDSA(signer, key)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !tx.Protected() {
+		t.Fatal("expected tx to be protected")
+	}
+
+	if tx.ChainId().Cmp(signer.chainId) != 0 {
+		t.Error("expected chainId to be", signer.chainId, "got", tx.ChainId())
+	}
+
+	tx = NewTransaction(0, addr, new(big.Int), new(big.Int), new(big.Int), nil)
+	tx, err = tx.SignECDSA(HomesteadSigner{}, key)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if tx.Protected() {
+		t.Error("didn't expect tx to be protected")
+	}
+
+	if tx.ChainId().BitLen() > 0 {
+		t.Error("expected chain id to be 0 got", tx.ChainId())
+	}
+}
+
+func TestEIP155SigningVitalik(t *testing.T) {
+	// Test vectors come from http://vitalik.ca/files/eip155_testvec.txt
+	for i, test := range []struct {
+		txRlp, addr string
+	}{
+		{"f864808504a817c800825208943535353535353535353535353535353535353535808025a0044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116da0044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "0xf0f6f18bca1b28cd68e4357452947e021241e9ce"},
+		{"f864018504a817c80182a410943535353535353535353535353535353535353535018025a0489efdaa54c0f20c7adf612882df0950f5a951637e0307cdcb4c672f298b8bcaa0489efdaa54c0f20c7adf612882df0950f5a951637e0307cdcb4c672f298b8bc6", "0x23ef145a395ea3fa3deb533b8a9e1b4c6c25d112"},
+		{"f864028504a817c80282f618943535353535353535353535353535353535353535088025a02d7c5bef027816a800da1736444fb58a807ef4c9603b7848673f7e3a68eb14a5a02d7c5bef027816a800da1736444fb58a807ef4c9603b7848673f7e3a68eb14a5", "0x2e485e0c23b4c3c542628a5f672eeab0ad4888be"},
+		{"f865038504a817c803830148209435353535353535353535353535353535353535351b8025a02a80e1ef1d7842f27f2e6be0972bb708b9a135c38860dbe73c27c3486c34f4e0a02a80e1ef1d7842f27f2e6be0972bb708b9a135c38860dbe73c27c3486c34f4de", "0x82a88539669a3fd524d669e858935de5e5410cf0"},
+		{"f865048504a817c80483019a28943535353535353535353535353535353535353535408025a013600b294191fc92924bb3ce4b969c1e7e2bab8f4c93c3fc6d0a51733df3c063a013600b294191fc92924bb3ce4b969c1e7e2bab8f4c93c3fc6d0a51733df3c060", "0xf9358f2538fd5ccfeb848b64a96b743fcc930554"},
+		{"f865058504a817c8058301ec309435353535353535353535353535353535353535357d8025a04eebf77a833b30520287ddd9478ff51abbdffa30aa90a8d655dba0e8a79ce0c1a04eebf77a833b30520287ddd9478ff51abbdffa30aa90a8d655dba0e8a79ce0c1", "0xa8f7aba377317440bc5b26198a363ad22af1f3a4"},
+		{"f866068504a817c80683023e3894353535353535353535353535353535353535353581d88025a06455bf8ea6e7463a1046a0b52804526e119b4bf5136279614e0b1e8e296a4e2fa06455bf8ea6e7463a1046a0b52804526e119b4bf5136279614e0b1e8e296a4e2d", "0xf1f571dc362a0e5b2696b8e775f8491d3e50de35"},
+		{"f867078504a817c807830290409435353535353535353535353535353535353535358201578025a052f1a9b320cab38e5da8a8f97989383aab0a49165fc91c737310e4f7e9821021a052f1a9b320cab38e5da8a8f97989383aab0a49165fc91c737310e4f7e9821021", "0xd37922162ab7cea97c97a87551ed02c9a38b7332"},
+		{"f867088504a817c8088302e2489435353535353535353535353535353535353535358202008025a064b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c12a064b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c10", "0x9bddad43f934d313c2b79ca28a432dd2b7281029"},
+		{"f867098504a817c809830334509435353535353535353535353535353535353535358202d98025a052f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afba052f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afb", "0x3c24d7329e92f84f08556ceb6df1cdb0104ca49f"},
+	} {
+		signer := NewEIP155Signer(big.NewInt(1))
+
+		var tx *Transaction
+		err := rlp.DecodeBytes(common.Hex2Bytes(test.txRlp), &tx)
+		if err != nil {
+			t.Errorf("%d: %v", i, err)
+			continue
+		}
+
+		from, err := Sender(signer, tx)
+		if err != nil {
+			t.Errorf("%d: %v", i, err)
+			continue
+		}
+
+		addr := common.HexToAddress(test.addr)
+		if from != addr {
+			t.Errorf("%d: expected %x got %x", i, addr, from)
+		}
+
+	}
+}

core/types/transaction_test.go

@@ -46,15 +46,16 @@ var (
 		big.NewInt(1),
 		common.FromHex("5544"),
 	).WithSignature(
+		HomesteadSigner{},
 		common.Hex2Bytes("98ff921201554726367d2be8c804a7ff89ccf285ebc57dff8ae4c44b9c19ac4a8887321be575c8095f789dd4c743dfe42c1820f9231f98a962b210e3ac2452a31c"),
 	)
 )
 
 func TestTransactionSigHash(t *testing.T) {
-	if emptyTx.SigHash() != common.HexToHash("c775b99e7ad12f50d819fcd602390467e28141316969f4b57f0626f74fe3b386") {
+	if emptyTx.SigHash(HomesteadSigner{}) != common.HexToHash("c775b99e7ad12f50d819fcd602390467e28141316969f4b57f0626f74fe3b386") {
 		t.Errorf("empty transaction hash mismatch, got %x", emptyTx.Hash())
 	}
-	if rightvrsTx.SigHash() != common.HexToHash("fe7a79529ed5f7c3375d06b26b186a8644e0e16c373d7a12be41c62d6042b77a") {
+	if rightvrsTx.SigHash(HomesteadSigner{}) != common.HexToHash("fe7a79529ed5f7c3375d06b26b186a8644e0e16c373d7a12be41c62d6042b77a") {
 		t.Errorf("RightVRS transaction hash mismatch, got %x", rightvrsTx.Hash())
 	}
 }
@@ -72,7 +73,9 @@ func TestTransactionEncode(t *testing.T) {
 
 func decodeTx(data []byte) (*Transaction, error) {
 	var tx Transaction
-	return &tx, rlp.Decode(bytes.NewReader(data), &tx)
+	t, err := &tx, rlp.Decode(bytes.NewReader(data), &tx)
+
+	return t, err
 }
 
 func defaultTestKey() (*ecdsa.PrivateKey, common.Address) {
@@ -88,7 +91,8 @@ func TestRecipientEmpty(t *testing.T) {
 		t.Error(err)
 		t.FailNow()
 	}
-	from, err := tx.From()
+
+	from, err := Sender(HomesteadSigner{}, tx)
 	if err != nil {
 		t.Error(err)
 		t.FailNow()
@@ -107,7 +111,7 @@ func TestRecipientNormal(t *testing.T) {
 		t.FailNow()
 	}
 
-	from, err := tx.From()
+	from, err := Sender(HomesteadSigner{}, tx)
 	if err != nil {
 		t.Error(err)
 		t.FailNow()
@@ -127,12 +131,14 @@ func TestTransactionPriceNonceSort(t *testing.T) {
 	for i := 0; i < len(keys); i++ {
 		keys[i], _ = crypto.GenerateKey()
 	}
+
+	signer := HomesteadSigner{}
 	// Generate a batch of transactions with overlapping values, but shifted nonces
 	groups := map[common.Address]Transactions{}
 	for start, key := range keys {
 		addr := crypto.PubkeyToAddress(key.PublicKey)
 		for i := 0; i < 25; i++ {
-			tx, _ := NewTransaction(uint64(start+i), common.Address{}, big.NewInt(100), big.NewInt(100), big.NewInt(int64(start+i)), nil).SignECDSA(key)
+			tx, _ := NewTransaction(uint64(start+i), common.Address{}, big.NewInt(100), big.NewInt(100), big.NewInt(int64(start+i)), nil).SignECDSA(signer, key)
 			groups[addr] = append(groups[addr], tx)
 		}
 	}
@@ -148,11 +154,11 @@ func TestTransactionPriceNonceSort(t *testing.T) {
 		break
 	}
 	for i, txi := range txs {
-		fromi, _ := txi.From()
+		fromi, _ := Sender(signer, txi)
 
 		// Make sure the nonce order is valid
 		for j, txj := range txs[i+1:] {
-			fromj, _ := txj.From()
+			fromj, _ := Sender(signer, txj)
 
 			if fromi == fromj && txi.Nonce() > txj.Nonce() {
 				t.Errorf("invalid nonce ordering: tx #%d (A=%x N=%v) < tx #%d (A=%x N=%v)", i, fromi[:4], txi.Nonce(), i+j, fromj[:4], txj.Nonce())
@@ -161,20 +167,20 @@ func TestTransactionPriceNonceSort(t *testing.T) {
 		// Find the previous and next nonce of this account
 		prev, next := i-1, i+1
 		for j := i - 1; j >= 0; j-- {
-			if fromj, _ := txs[j].From(); fromi == fromj {
+			if fromj, _ := Sender(signer, txs[j]); fromi == fromj {
 				prev = j
 				break
 			}
 		}
 		for j := i + 1; j < len(txs); j++ {
-			if fromj, _ := txs[j].From(); fromi == fromj {
+			if fromj, _ := Sender(signer, txs[j]); fromi == fromj {
 				next = j
 				break
 			}
 		}
 		// Make sure that in between the neighbor nonces, the transaction is correctly positioned price wise
 		for j := prev + 1; j < next; j++ {
-			fromj, _ := txs[j].From()
+			fromj, _ := Sender(signer, txs[j])
 			if j < i && txs[j].GasPrice().Cmp(txi.GasPrice()) < 0 {
 				t.Errorf("invalid gasprice ordering: tx #%d (A=%x P=%v) < tx #%d (A=%x P=%v)", j, fromj[:4], txs[j].GasPrice(), i, fromi[:4], txi.GasPrice())
 			}

core/vm/environment.go

@@ -23,20 +23,11 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 )
 
-// RuleSet is an interface that defines the current rule set during the
-// execution of the EVM instructions (e.g. whether it's homestead)
-type RuleSet interface {
-	IsHomestead(*big.Int) bool
-	// GasTable returns the gas prices for this phase, which is based on
-	// block number passed in.
-	GasTable(*big.Int) params.GasTable
-}
-
 // Environment is an EVM requirement and helper which allows access to outside
 // information such as states.
 type Environment interface {
 	// The current ruleset
-	RuleSet() RuleSet
+	ChainConfig() *params.ChainConfig
 	// The state database
 	Db() Database
 	// Creates a restorable snapshot
@@ -115,6 +106,9 @@ type Database interface {
 	// Exist reports whether the given account exists in state.
 	// Notably this should also return true for suicided accounts.
 	Exist(common.Address) bool
+	// Empty returns whether the given account is empty. Empty
+	// is defined according to EIP161 (balance = nonce = code = 0).
+	Empty(common.Address) bool
 }
 
 // Account represents a contract or basic ethereum account.

core/vm/instructions.go

@@ -515,7 +515,7 @@ func opCreate(instr instruction, pc *uint64, env Environment, contract *Contract
 		input        = memory.Get(offset.Int64(), size.Int64())
 		gas          = new(big.Int).Set(contract.Gas)
 	)
-	if env.RuleSet().GasTable(env.BlockNumber()).CreateBySuicide != nil {
+	if env.ChainConfig().IsEIP150(env.BlockNumber()) {
 		gas.Div(gas, n64)
 		gas = gas.Sub(contract.Gas, gas)
 	}
@@ -526,7 +526,7 @@ func opCreate(instr instruction, pc *uint64, env Environment, contract *Contract
 	// homestead we must check for CodeStoreOutOfGasError (homestead only
 	// rule) and treat as an error, if the ruleset is frontier we must
 	// ignore this error and pretend the operation was successful.
-	if env.RuleSet().IsHomestead(env.BlockNumber()) && suberr == CodeStoreOutOfGasError {
+	if env.ChainConfig().IsHomestead(env.BlockNumber()) && suberr == CodeStoreOutOfGasError {
 		stack.push(new(big.Int))
 	} else if suberr != nil && suberr != CodeStoreOutOfGasError {
 		stack.push(new(big.Int))

core/vm/jit.go

@@ -319,7 +319,7 @@ func runProgram(program *Program, pcstart uint64, mem *Memory, stack *Stack, env
 		}()
 	}
 
-	homestead := env.RuleSet().IsHomestead(env.BlockNumber())
+	homestead := env.ChainConfig().IsHomestead(env.BlockNumber())
 	for pc < uint64(len(program.instructions)) {
 		instrCount++
 

core/vm/jit_test.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 const maxRun = 1000
@@ -172,7 +173,9 @@ func NewEnv(config *Config) *Env {
 	return env
 }
 
-func (self *Env) RuleSet() RuleSet       { return ruleSet{new(big.Int)} }
+func (self *Env) ChainConfig() *params.ChainConfig {
+	return params.TestChainConfig
+}
 func (self *Env) Vm() Vm                 { return self.evm }
 func (self *Env) Origin() common.Address { return common.Address{} }
 func (self *Env) BlockNumber() *big.Int  { return big.NewInt(0) }

core/vm/jump_table.go

@@ -16,7 +16,11 @@
 
 package vm
 
-import "math/big"
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/params"
+)
 
 type jumpPtr struct {
 	fn    instrFn
@@ -25,7 +29,7 @@ type jumpPtr struct {
 
 type vmJumpTable [256]jumpPtr
 
-func newJumpTable(ruleset RuleSet, blockNumber *big.Int) vmJumpTable {
+func newJumpTable(ruleset *params.ChainConfig, blockNumber *big.Int) vmJumpTable {
 	var jumpTable vmJumpTable
 
 	// when initialising a new VM execution we must first check the homestead

core/vm/jump_table_test.go

@@ -19,16 +19,18 @@ package vm
 import (
 	"math/big"
 	"testing"
+
+	"github.com/ethereum/go-ethereum/params"
 )
 
 func TestInit(t *testing.T) {
-	jumpTable := newJumpTable(ruleSet{big.NewInt(1)}, big.NewInt(0))
+	jumpTable := newJumpTable(&params.ChainConfig{HomesteadBlock: big.NewInt(1)}, big.NewInt(0))
 	if jumpTable[DELEGATECALL].valid {
 		t.Error("Expected DELEGATECALL not to be present")
 	}
 
 	for _, n := range []int64{1, 2, 100} {
-		jumpTable := newJumpTable(ruleSet{big.NewInt(1)}, big.NewInt(n))
+		jumpTable := newJumpTable(&params.ChainConfig{HomesteadBlock: big.NewInt(1)}, big.NewInt(n))
 		if !jumpTable[DELEGATECALL].valid {
 			t.Error("Expected DELEGATECALL to be present for block", n)
 		}

core/vm/runtime/env.go

@@ -23,11 +23,12 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 // Env is a basic runtime environment required for running the EVM.
 type Env struct {
-	ruleSet vm.RuleSet
+	chainConfig *params.ChainConfig
 	depth       int
 	state       *state.StateDB
 
@@ -47,7 +48,7 @@ type Env struct {
 // NewEnv returns a new vm.Environment
 func NewEnv(cfg *Config, state *state.StateDB) vm.Environment {
 	env := &Env{
-		ruleSet:    cfg.RuleSet,
+		chainConfig: cfg.ChainConfig,
 		state:       state,
 		origin:      cfg.Origin,
 		coinbase:    cfg.Coinbase,
@@ -65,7 +66,7 @@ func NewEnv(cfg *Config, state *state.StateDB) vm.Environment {
 	return env
 }
 
-func (self *Env) RuleSet() vm.RuleSet      { return self.ruleSet }
+func (self *Env) ChainConfig() *params.ChainConfig { return self.chainConfig }
 func (self *Env) Vm() vm.Vm                        { return self.evm }
 func (self *Env) Origin() common.Address           { return self.origin }
 func (self *Env) BlockNumber() *big.Int            { return self.number }

core/vm/runtime/runtime.go

@@ -22,7 +22,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/state"
-	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/params"
@@ -39,7 +38,7 @@ func (ruleSet) GasTable(*big.Int) params.GasTable {
 // Config is a basic type specifying certain configuration flags for running
 // the EVM.
 type Config struct {
-	RuleSet     vm.RuleSet
+	ChainConfig *params.ChainConfig
 	Difficulty  *big.Int
 	Origin      common.Address
 	Coinbase    common.Address
@@ -57,8 +56,16 @@ type Config struct {
 
 // sets defaults on the config
 func setDefaults(cfg *Config) {
-	if cfg.RuleSet == nil {
+	if cfg.ChainConfig == nil {
-		cfg.RuleSet = ruleSet{}
+		cfg.ChainConfig = &params.ChainConfig{
+			ChainId:        big.NewInt(1),
+			HomesteadBlock: new(big.Int),
+			DAOForkBlock:   new(big.Int),
+			DAOForkSupport: false,
+			EIP150Block:    new(big.Int),
+			EIP155Block:    new(big.Int),
+			EIP158Block:    new(big.Int),
+		}
 	}
 
 	if cfg.Difficulty == nil {

core/vm/vm.go

@@ -51,9 +51,9 @@ type EVM struct {
 func New(env Environment, cfg Config) *EVM {
 	return &EVM{
 		env:       env,
-		jumpTable: newJumpTable(env.RuleSet(), env.BlockNumber()),
+		jumpTable: newJumpTable(env.ChainConfig(), env.BlockNumber()),
 		cfg:       cfg,
-		gasTable:  env.RuleSet().GasTable(env.BlockNumber()),
+		gasTable:  env.ChainConfig().GasTable(env.BlockNumber()),
 	}
 }
 
@@ -172,6 +172,7 @@ func (evm *EVM) Run(contract *Contract, input []byte) (ret []byte, err error) {
 
 		// Get the memory location of pc
 		op = contract.GetOp(pc)
+		//fmt.Printf("OP %d %v\n", op, op)
 		// calculate the new memory size and gas price for the current executing opcode
 		newMemSize, cost, err = calculateGasAndSize(evm.gasTable, evm.env, contract, caller, op, statedb, mem, stack)
 		if err != nil {
@@ -254,10 +255,20 @@ func calculateGasAndSize(gasTable params.GasTable, env Environment, contract *Co
 	// stack Check, memory resize & gas phase
 	switch op {
 	case SUICIDE:
-		// if suicide is not nil: homestead gas fork
+		// EIP150 homestead gas reprice fork:
 		if gasTable.CreateBySuicide != nil {
 			gas.Set(gasTable.Suicide)
-			if !env.Db().Exist(common.BigToAddress(stack.data[len(stack.data)-1])) {
+			var (
+				address = common.BigToAddress(stack.data[len(stack.data)-1])
+				eip158  = env.ChainConfig().IsEIP158(env.BlockNumber())
+			)
+
+			if eip158 {
+				// if empty and transfers value
+				if env.Db().Empty(address) && statedb.GetBalance(contract.Address()).BitLen() > 0 {
+					gas.Add(gas, gasTable.CreateBySuicide)
+				}
+			} else if !env.Db().Exist(address) {
 				gas.Add(gas, gasTable.CreateBySuicide)
 			}
 		}
@@ -302,7 +313,8 @@ func calculateGasAndSize(gasTable params.GasTable, env Environment, contract *Co
 
 		quadMemGas(mem, newMemSize, gas)
 	case EXP:
-		gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(len(stack.data[stack.len()-2].Bytes()))), params.ExpByteGas))
+		expByteLen := int64((stack.data[stack.len()-2].BitLen() + 7) / 8)
+		gas.Add(gas, new(big.Int).Mul(big.NewInt(expByteLen), gasTable.ExpByte))
 	case SSTORE:
 		err := stack.require(2)
 		if err != nil {
@@ -378,12 +390,21 @@ func calculateGasAndSize(gasTable params.GasTable, env Environment, contract *Co
 	case CALL, CALLCODE:
 		gas.Set(gasTable.Calls)
 
+		transfersValue := stack.data[len(stack.data)-3].BitLen() > 0
 		if op == CALL {
-			if !env.Db().Exist(common.BigToAddress(stack.data[stack.len()-2])) {
+			var (
+				address = common.BigToAddress(stack.data[len(stack.data)-2])
+				eip158  = env.ChainConfig().IsEIP158(env.BlockNumber())
+			)
+			if eip158 {
+				if env.Db().Empty(address) && transfersValue {
+					gas.Add(gas, params.CallNewAccountGas)
+				}
+			} else if !env.Db().Exist(address) {
 				gas.Add(gas, params.CallNewAccountGas)
 			}
 		}
-		if len(stack.data[stack.len()-3].Bytes()) > 0 {
+		if transfersValue {
 			gas.Add(gas, params.CallValueTransferGas)
 		}
 		x := calcMemSize(stack.data[stack.len()-6], stack.data[stack.len()-7])

core/vm_env.go

@@ -23,6 +23,7 @@ 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/params"
 )
 
 // GetHashFn returns a function for which the VM env can query block hashes through
@@ -41,7 +42,7 @@ func GetHashFn(ref common.Hash, chain *BlockChain) func(n uint64) common.Hash {
 }
 
 type VMEnv struct {
-	chainConfig *ChainConfig   // Chain configuration
+	chainConfig *params.ChainConfig // Chain configuration
 	state       *state.StateDB      // State to use for executing
 	evm         *vm.EVM             // The Ethereum Virtual Machine
 	depth       int                 // Current execution depth
@@ -52,7 +53,7 @@ type VMEnv struct {
 	getHashFn func(uint64) common.Hash // getHashFn callback is used to retrieve block hashes
 }
 
-func NewEnv(state *state.StateDB, chainConfig *ChainConfig, chain *BlockChain, msg Message, header *types.Header, cfg vm.Config) *VMEnv {
+func NewEnv(state *state.StateDB, chainConfig *params.ChainConfig, chain *BlockChain, msg Message, header *types.Header, cfg vm.Config) *VMEnv {
 	env := &VMEnv{
 		chainConfig: chainConfig,
 		chain:       chain,
@@ -66,9 +67,9 @@ func NewEnv(state *state.StateDB, chainConfig *ChainConfig, chain *BlockChain, m
 	return env
 }
 
-func (self *VMEnv) RuleSet() vm.RuleSet      { return self.chainConfig }
+func (self *VMEnv) ChainConfig() *params.ChainConfig { return self.chainConfig }
 func (self *VMEnv) Vm() vm.Vm                        { return self.evm }
-func (self *VMEnv) Origin() common.Address   { f, _ := self.msg.From(); return f }
+func (self *VMEnv) Origin() common.Address           { return self.msg.From() }
 func (self *VMEnv) BlockNumber() *big.Int            { return self.header.Number }
 func (self *VMEnv) Coinbase() common.Address         { return self.header.Coinbase }
 func (self *VMEnv) Time() *big.Int                   { return self.header.Time }

eth/api.go

@@ -37,6 +37,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/miner"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 	"golang.org/x/net/context"
@@ -303,13 +304,13 @@ func (api *PublicDebugAPI) DumpBlock(number uint64) (state.Dump, error) {
 // PrivateDebugAPI is the collection of Etheruem full node APIs exposed over
 // the private debugging endpoint.
 type PrivateDebugAPI struct {
-	config *core.ChainConfig
+	config *params.ChainConfig
 	eth    *Ethereum
 }
 
 // NewPrivateDebugAPI creates a new API definition for the full node-related
 // private debug methods of the Ethereum service.
-func NewPrivateDebugAPI(config *core.ChainConfig, eth *Ethereum) *PrivateDebugAPI {
+func NewPrivateDebugAPI(config *params.ChainConfig, eth *Ethereum) *PrivateDebugAPI {
 	return &PrivateDebugAPI{config: config, eth: eth}
 }
 
@@ -505,21 +506,15 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, txHash common.
 	if err != nil {
 		return nil, err
 	}
+
+	signer := types.MakeSigner(api.config, block.Number())
 	// Mutate the state and trace the selected transaction
 	for idx, tx := range block.Transactions() {
 		// Assemble the transaction call message
-		from, err := tx.FromFrontier()
+		msg, err := tx.AsMessage(signer)
 		if err != nil {
 			return nil, fmt.Errorf("sender retrieval failed: %v", err)
 		}
-		msg := callmsg{
-			addr:     from,
-			to:       tx.To(),
-			gas:      tx.Gas(),
-			gasPrice: tx.GasPrice(),
-			value:    tx.Value(),
-			data:     tx.Data(),
-		}
 		// Mutate the state if we haven't reached the tracing transaction yet
 		if uint64(idx) < txIndex {
 			vmenv := core.NewEnv(stateDb, api.config, api.eth.BlockChain(), msg, block.Header(), vm.Config{})

eth/api_backend.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/internal/ethapi"
+	"github.com/ethereum/go-ethereum/params"
 	rpc "github.com/ethereum/go-ethereum/rpc"
 	"golang.org/x/net/context"
 )
@@ -40,6 +41,14 @@ type EthApiBackend struct {
 	gpo *gasprice.GasPriceOracle
 }
 
+func (b *EthApiBackend) ChainConfig() *params.ChainConfig {
+	return b.eth.chainConfig
+}
+
+func (b *EthApiBackend) CurrentBlock() *types.Block {
+	return b.eth.blockchain.CurrentBlock()
+}
+
 func (b *EthApiBackend) SetHead(number uint64) {
 	b.eth.blockchain.SetHead(number)
 }
@@ -99,11 +108,10 @@ func (b *EthApiBackend) GetTd(blockHash common.Hash) *big.Int {
 
 func (b *EthApiBackend) GetVMEnv(ctx context.Context, msg core.Message, state ethapi.State, header *types.Header) (vm.Environment, func() error, error) {
 	statedb := state.(EthApiState).state
-	addr, _ := msg.From()
+	from := statedb.GetOrNewStateObject(msg.From())
-	from := statedb.GetOrNewStateObject(addr)
 	from.SetBalance(common.MaxBig)
 	vmError := func() error { return nil }
-	return core.NewEnv(statedb, b.eth.chainConfig, b.eth.blockchain, msg, header, b.eth.chainConfig.VmConfig), vmError, nil
+	return core.NewEnv(statedb, b.eth.chainConfig, b.eth.blockchain, msg, header, vm.Config{}), vmError, nil
 }
 
 func (b *EthApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {

eth/backend.go

@@ -35,7 +35,6 @@ import (
 	"github.com/ethereum/go-ethereum/common/registrar/ethreg"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/eth/filters"
 	"github.com/ethereum/go-ethereum/eth/gasprice"
@@ -47,6 +46,7 @@ import (
 	"github.com/ethereum/go-ethereum/miner"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
 )
 
@@ -64,7 +64,7 @@ var (
 )
 
 type Config struct {
-	ChainConfig *core.ChainConfig // chain configuration
+	ChainConfig *params.ChainConfig // chain configuration
 
 	NetworkId  int    // Network ID to use for selecting peers to connect to
 	Genesis    string // Genesis JSON to seed the chain database with
@@ -112,7 +112,7 @@ type LesServer interface {
 
 // Ethereum implements the Ethereum full node service.
 type Ethereum struct {
-	chainConfig *core.ChainConfig
+	chainConfig *params.ChainConfig
 	// Channel for shutting down the service
 	shutdownChan  chan bool // Channel for shutting down the ethereum
 	stopDbUpgrade func()    // stop chain db sequential key upgrade
@@ -217,10 +217,6 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
 	core.WriteChainConfig(chainDb, genesis.Hash(), config.ChainConfig)
 
 	eth.chainConfig = config.ChainConfig
-	eth.chainConfig.VmConfig = vm.Config{
-		EnableJit: config.EnableJit,
-		ForceJit:  config.ForceJit,
-	}
 
 	eth.blockchain, err = core.NewBlockChain(chainDb, eth.chainConfig, eth.pow, eth.EventMux())
 	if err != nil {

eth/backend_test.go

@@ -25,6 +25,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 func TestMipmapUpgrade(t *testing.T) {
@@ -32,7 +33,7 @@ func TestMipmapUpgrade(t *testing.T) {
 	addr := common.BytesToAddress([]byte("jeff"))
 	genesis := core.WriteGenesisBlockForTesting(db)
 
-	chain, receipts := core.GenerateChain(nil, genesis, db, 10, func(i int, gen *core.BlockGen) {
+	chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *core.BlockGen) {
 		var receipts types.Receipts
 		switch i {
 		case 1:

eth/downloader/downloader_test.go

@@ -109,7 +109,7 @@ func newTester() *downloadTester {
 // reassembly.
 func (dl *downloadTester) makeChain(n int, seed byte, parent *types.Block, parentReceipts types.Receipts, heavy bool) ([]common.Hash, map[common.Hash]*types.Header, map[common.Hash]*types.Block, map[common.Hash]types.Receipts) {
 	// Generate the block chain
-	blocks, receipts := core.GenerateChain(nil, parent, dl.peerDb, n, func(i int, block *core.BlockGen) {
+	blocks, receipts := core.GenerateChain(params.TestChainConfig, parent, dl.peerDb, n, func(i int, block *core.BlockGen) {
 		block.SetCoinbase(common.Address{seed})
 
 		// If a heavy chain is requested, delay blocks to raise difficulty
@@ -118,7 +118,8 @@ func (dl *downloadTester) makeChain(n int, seed byte, parent *types.Block, paren
 		}
 		// If the block number is multiple of 3, send a bonus transaction to the miner
 		if parent == dl.genesis && i%3 == 0 {
-			tx, err := types.NewTransaction(block.TxNonce(testAddress), common.Address{seed}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testKey)
+			signer := types.MakeSigner(params.TestChainConfig, block.Number())
+			tx, err := types.NewTransaction(block.TxNonce(testAddress), common.Address{seed}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, testKey)
 			if err != nil {
 				panic(err)
 			}

eth/fetcher/fetcher_test.go

@@ -45,12 +45,13 @@ var (
 // contains a transaction and every 5th an uncle to allow testing correct block
 // reassembly.
 func makeChain(n int, seed byte, parent *types.Block) ([]common.Hash, map[common.Hash]*types.Block) {
-	blocks, _ := core.GenerateChain(nil, parent, testdb, n, func(i int, block *core.BlockGen) {
+	blocks, _ := core.GenerateChain(params.TestChainConfig, parent, testdb, n, func(i int, block *core.BlockGen) {
 		block.SetCoinbase(common.Address{seed})
 
 		// If the block number is multiple of 3, send a bonus transaction to the miner
 		if parent == genesis && i%3 == 0 {
-			tx, err := types.NewTransaction(block.TxNonce(testAddress), common.Address{seed}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testKey)
+			signer := types.MakeSigner(params.TestChainConfig, block.Number())
+			tx, err := types.NewTransaction(block.TxNonce(testAddress), common.Address{seed}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, testKey)
 			if err != nil {
 				panic(err)
 			}

eth/filters/filter_system_test.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
 )
 
@@ -81,7 +82,7 @@ func TestBlockSubscription(t *testing.T) {
 
 	var (
 		genesis     = core.WriteGenesisBlockForTesting(db)
-		chain, _    = core.GenerateChain(nil, genesis, db, 10, func(i int, gen *core.BlockGen) {})
+		chain, _    = core.GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *core.BlockGen) {})
 		chainEvents = []core.ChainEvent{}
 	)
 

eth/filters/filter_test.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 func makeReceipt(addr common.Address) *types.Receipt {
@@ -60,7 +61,7 @@ func BenchmarkMipmaps(b *testing.B) {
 	defer db.Close()
 
 	genesis := core.WriteGenesisBlockForTesting(db, core.GenesisAccount{Address: addr1, Balance: big.NewInt(1000000)})
-	chain, receipts := core.GenerateChain(nil, genesis, db, 100010, func(i int, gen *core.BlockGen) {
+	chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 100010, func(i int, gen *core.BlockGen) {
 		var receipts types.Receipts
 		switch i {
 		case 2403:
@@ -137,7 +138,7 @@ func TestFilters(t *testing.T) {
 	defer db.Close()
 
 	genesis := core.WriteGenesisBlockForTesting(db, core.GenesisAccount{Address: addr, Balance: big.NewInt(1000000)})
-	chain, receipts := core.GenerateChain(nil, genesis, db, 1000, func(i int, gen *core.BlockGen) {
+	chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 1000, func(i int, gen *core.BlockGen) {
 		var receipts types.Receipts
 		switch i {
 		case 1:

eth/handler.go

@@ -37,6 +37,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/discover"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow"
 	"github.com/ethereum/go-ethereum/rlp"
 )
@@ -67,7 +68,7 @@ type ProtocolManager struct {
 	txpool      txPool
 	blockchain  *core.BlockChain
 	chaindb     ethdb.Database
-	chainconfig *core.ChainConfig
+	chainconfig *params.ChainConfig
 	maxPeers    int
 
 	downloader *downloader.Downloader
@@ -95,7 +96,7 @@ 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 *core.ChainConfig, fastSync bool, networkId int, maxPeers int, mux *event.TypeMux, txpool txPool, pow pow.PoW, blockchain *core.BlockChain, chaindb ethdb.Database) (*ProtocolManager, error) {
+func NewProtocolManager(config *params.ChainConfig, fastSync bool, networkId int, maxPeers int, mux *event.TypeMux, txpool txPool, pow pow.PoW, blockchain *core.BlockChain, chaindb ethdb.Database) (*ProtocolManager, error) {
 	// Create the protocol manager with the base fields
 	manager := &ProtocolManager{
 		networkId:   networkId,

eth/handler_test.go

@@ -305,18 +305,19 @@ func testGetNodeData(t *testing.T, protocol int) {
 	acc1Addr := crypto.PubkeyToAddress(acc1Key.PublicKey)
 	acc2Addr := crypto.PubkeyToAddress(acc2Key.PublicKey)
 
+	signer := types.HomesteadSigner{}
 	// Create a chain generator with some simple transactions (blatantly stolen from @fjl/chain_markets_test)
 	generator := func(i int, block *core.BlockGen) {
 		switch i {
 		case 0:
 			// In block 1, the test bank sends account #1 some ether.
-			tx, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
 			block.AddTx(tx)
 		case 1:
 			// In block 2, the test bank sends some more ether to account #1.
 			// acc1Addr passes it on to account #2.
-			tx1, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx1, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
-			tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
+			tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, acc1Key)
 			block.AddTx(tx1)
 			block.AddTx(tx2)
 		case 2:
@@ -396,18 +397,19 @@ func testGetReceipt(t *testing.T, protocol int) {
 	acc1Addr := crypto.PubkeyToAddress(acc1Key.PublicKey)
 	acc2Addr := crypto.PubkeyToAddress(acc2Key.PublicKey)
 
+	signer := types.HomesteadSigner{}
 	// Create a chain generator with some simple transactions (blatantly stolen from @fjl/chain_markets_test)
 	generator := func(i int, block *core.BlockGen) {
 		switch i {
 		case 0:
 			// In block 1, the test bank sends account #1 some ether.
-			tx, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
 			block.AddTx(tx)
 		case 1:
 			// In block 2, the test bank sends some more ether to account #1.
 			// acc1Addr passes it on to account #2.
-			tx1, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx1, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
-			tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
+			tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, acc1Key)
 			block.AddTx(tx1)
 			block.AddTx(tx2)
 		case 2:
@@ -466,7 +468,7 @@ func testDAOChallenge(t *testing.T, localForked, remoteForked bool, timeout bool
 		pow           = new(core.FakePow)
 		db, _         = ethdb.NewMemDatabase()
 		genesis       = core.WriteGenesisBlockForTesting(db)
-		config        = &core.ChainConfig{DAOForkBlock: big.NewInt(1), DAOForkSupport: localForked}
+		config        = &params.ChainConfig{DAOForkBlock: big.NewInt(1), DAOForkSupport: localForked}
 		blockchain, _ = core.NewBlockChain(db, config, pow, evmux)
 	)
 	pm, err := NewProtocolManager(config, false, NetworkId, 1000, evmux, new(testTxPool), pow, blockchain, db)
@@ -491,7 +493,7 @@ func testDAOChallenge(t *testing.T, localForked, remoteForked bool, timeout bool
 	}
 	// Create a block to reply to the challenge if no timeout is simualted
 	if !timeout {
-		blocks, _ := core.GenerateChain(nil, genesis, db, 1, func(i int, block *core.BlockGen) {
+		blocks, _ := core.GenerateChain(&params.ChainConfig{}, genesis, db, 1, func(i int, block *core.BlockGen) {
 			if remoteForked {
 				block.SetExtra(params.DAOForkBlockExtra)
 			}

eth/helper_test.go

@@ -35,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/discover"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 var (
@@ -54,10 +55,10 @@ func newTestProtocolManager(fastSync bool, blocks int, generator func(int, *core
 		pow           = new(core.FakePow)
 		db, _         = ethdb.NewMemDatabase()
 		genesis       = core.WriteGenesisBlockForTesting(db, testBank)
-		chainConfig   = &core.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
+		chainConfig   = &params.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
 		blockchain, _ = core.NewBlockChain(db, chainConfig, pow, evmux)
 	)
-	chain, _ := core.GenerateChain(nil, genesis, db, blocks, generator)
+	chain, _ := core.GenerateChain(chainConfig, genesis, db, blocks, generator)
 	if _, err := blockchain.InsertChain(chain); err != nil {
 		panic(err)
 	}
@@ -109,7 +110,7 @@ func (p *testTxPool) Pending() map[common.Address]types.Transactions {
 
 	batches := make(map[common.Address]types.Transactions)
 	for _, tx := range p.pool {
-		from, _ := tx.From()
+		from, _ := types.Sender(types.HomesteadSigner{}, tx)
 		batches[from] = append(batches[from], tx)
 	}
 	for _, batch := range batches {
@@ -121,7 +122,7 @@ func (p *testTxPool) Pending() map[common.Address]types.Transactions {
 // newTestTransaction create a new dummy transaction.
 func newTestTransaction(from *ecdsa.PrivateKey, nonce uint64, datasize int) *types.Transaction {
 	tx := types.NewTransaction(nonce, common.Address{}, big.NewInt(0), big.NewInt(100000), big.NewInt(0), make([]byte, datasize))
-	tx, _ = tx.SignECDSA(from)
+	tx, _ = tx.SignECDSA(types.HomesteadSigner{}, from)
 	return tx
 }
 

ethclient/ethclient.go

@@ -147,7 +147,7 @@ func (ec *Client) TransactionByHash(ctx context.Context, hash common.Hash) (*typ
 	var tx *types.Transaction
 	err := ec.c.CallContext(ctx, &tx, "eth_getTransactionByHash", hash)
 	if err == nil {
-		if _, r, _ := tx.SignatureValues(); r == nil {
+		if _, r, _ := tx.RawSignatureValues(); r == nil {
 			return nil, fmt.Errorf("server returned transaction without signature")
 		}
 	}
@@ -166,7 +166,11 @@ func (ec *Client) TransactionInBlock(ctx context.Context, blockHash common.Hash,
 	var tx *types.Transaction
 	err := ec.c.CallContext(ctx, &tx, "eth_getTransactionByBlockHashAndIndex", blockHash, index)
 	if err == nil {
-		if _, r, _ := tx.SignatureValues(); r == nil {
+		var signer types.Signer = types.HomesteadSigner{}
+		if tx.Protected() {
+			signer = types.NewEIP155Signer(tx.ChainId())
+		}
+		if _, r, _ := types.SignatureValues(signer, tx); r == nil {
 			return nil, fmt.Errorf("server returned transaction without signature")
 		}
 	}

internal/ethapi/api.go

@@ -279,7 +279,8 @@ func (s *PrivateAccountAPI) SendTransaction(ctx context.Context, args SendTxArgs
 		tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
 	}
 
-	signature, err := s.am.SignWithPassphrase(args.From, passwd, tx.SigHash().Bytes())
+	signer := types.MakeSigner(s.b.ChainConfig(), s.b.CurrentBlock().Number())
+	signature, err := s.am.SignWithPassphrase(args.From, passwd, signer.Hash(tx).Bytes())
 	if err != nil {
 		return common.Hash{}, err
 	}
@@ -537,22 +538,14 @@ func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr
 	}
 
 	// Assemble the CALL invocation
-	msg := callmsg{
+	gas, gasPrice := args.Gas.BigInt(), args.GasPrice.BigInt()
-		addr:     addr,
+	if gas.Cmp(common.Big0) == 0 {
-		to:       args.To,
+		gas = big.NewInt(50000000)
-		gas:      args.Gas.BigInt(),
-		gasPrice: args.GasPrice.BigInt(),
-		value:    args.Value.BigInt(),
-		data:     common.FromHex(args.Data),
 	}
-
+	if gasPrice.Cmp(common.Big0) == 0 {
-	if msg.gas.Cmp(common.Big0) == 0 {
+		gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
-		msg.gas = big.NewInt(50000000)
-	}
-
-	if msg.gasPrice.Cmp(common.Big0) == 0 {
-		msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
 	}
+	msg := types.NewMessage(addr, args.To, 0, args.Value.BigInt(), gas, gasPrice, common.FromHex(args.Data))
 
 	// Execute the call and return
 	vmenv, vmError, err := s.b.GetVMEnv(ctx, msg, state, header)
@@ -714,8 +707,12 @@ type RPCTransaction struct {
 
 // newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
 func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
-	from, _ := tx.FromFrontier()
+	var signer types.Signer = types.FrontierSigner{}
-	v, r, s := tx.SignatureValues()
+	if tx.Protected() {
+		signer = types.NewEIP155Signer(tx.ChainId())
+	}
+	from, _ := types.Sender(signer, tx)
+	v, r, s := types.SignatureValues(signer, tx)
 	return &RPCTransaction{
 		From:     from,
 		Gas:      rpc.NewHexNumber(tx.Gas()),
@@ -735,11 +732,12 @@ func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
 func newRPCTransactionFromBlockIndex(b *types.Block, txIndex int) (*RPCTransaction, error) {
 	if txIndex >= 0 && txIndex < len(b.Transactions()) {
 		tx := b.Transactions()[txIndex]
-		from, err := tx.FromFrontier()
+		var signer types.Signer = types.FrontierSigner{}
-		if err != nil {
+		if tx.Protected() {
-			return nil, err
+			signer = types.NewEIP155Signer(tx.ChainId())
 		}
-		v, r, s := tx.SignatureValues()
+		from, _ := types.Sender(signer, tx)
+		v, r, s := tx.RawSignatureValues()
 		return &RPCTransaction{
 			BlockHash:        b.Hash(),
 			BlockNumber:      rpc.NewHexNumber(b.Number()),
@@ -958,11 +956,11 @@ func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (ma
 		return nil, nil
 	}
 
-	from, err := tx.FromFrontier()
+	var signer types.Signer = types.FrontierSigner{}
-	if err != nil {
+	if tx.Protected() {
-		glog.V(logger.Debug).Infof("%v\n", err)
+		signer = types.NewEIP155Signer(tx.ChainId())
-		return nil, nil
 	}
+	from, _ := types.Sender(signer, tx)
 
 	fields := map[string]interface{}{
 		"root":              rpc.HexBytes(receipt.PostState),
@@ -990,11 +988,13 @@ func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (ma
 
 // sign is a helper function that signs a transaction with the private key of the given address.
 func (s *PublicTransactionPoolAPI) sign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
-	signature, err := s.b.AccountManager().SignEthereum(addr, tx.SigHash().Bytes())
+	signer := types.MakeSigner(s.b.ChainConfig(), s.b.CurrentBlock().Number())
+
+	signature, err := s.b.AccountManager().SignEthereum(addr, signer.Hash(tx).Bytes())
 	if err != nil {
 		return nil, err
 	}
-	return tx.WithSignature(signature)
+	return tx.WithSignature(signer, signature)
 }
 
 // SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.
@@ -1028,7 +1028,9 @@ func prepareSendTxArgs(ctx context.Context, args SendTxArgs, b Backend) (SendTxA
 
 // submitTransaction is a helper function that submits tx to txPool and creates a log entry.
 func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction, signature []byte) (common.Hash, error) {
-	signedTx, err := tx.WithSignature(signature)
+	signer := types.MakeSigner(b.ChainConfig(), b.CurrentBlock().Number())
+
+	signedTx, err := tx.WithSignature(signer, signature)
 	if err != nil {
 		return common.Hash{}, err
 	}
@@ -1038,7 +1040,7 @@ func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction, si
 	}
 
 	if signedTx.To() == nil {
-		from, _ := signedTx.From()
+		from, _ := types.Sender(signer, signedTx)
 		addr := crypto.CreateAddress(from, signedTx.Nonce())
 		glog.V(logger.Info).Infof("Tx(%s) created: %s\n", signedTx.Hash().Hex(), addr.Hex())
 	} else {
@@ -1072,7 +1074,8 @@ func (s *PublicTransactionPoolAPI) SendTransaction(ctx context.Context, args Sen
 		tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
 	}
 
-	signature, err := s.b.AccountManager().SignEthereum(args.From, tx.SigHash().Bytes())
+	signer := types.MakeSigner(s.b.ChainConfig(), s.b.CurrentBlock().Number())
+	signature, err := s.b.AccountManager().SignEthereum(args.From, signer.Hash(tx).Bytes())
 	if err != nil {
 		return common.Hash{}, err
 	}
@@ -1092,8 +1095,9 @@ func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encod
 		return "", err
 	}
 
+	signer := types.MakeSigner(s.b.ChainConfig(), s.b.CurrentBlock().Number())
 	if tx.To() == nil {
-		from, err := tx.FromFrontier()
+		from, err := types.Sender(signer, tx)
 		if err != nil {
 			return "", err
 		}
@@ -1202,7 +1206,12 @@ type SignTransactionResult struct {
 }
 
 func newTx(t *types.Transaction) *Tx {
-	from, _ := t.FromFrontier()
+	var signer types.Signer = types.HomesteadSigner{}
+	if t.Protected() {
+		signer = types.NewEIP155Signer(t.ChainId())
+	}
+
+	from, _ := types.Sender(signer, t)
 	return &Tx{
 		tx:       t,
 		To:       t.To(),
@@ -1268,7 +1277,11 @@ func (s *PublicTransactionPoolAPI) PendingTransactions() []*RPCTransaction {
 	pending := s.b.GetPoolTransactions()
 	transactions := make([]*RPCTransaction, 0, len(pending))
 	for _, tx := range pending {
-		from, _ := tx.FromFrontier()
+		var signer types.Signer = types.HomesteadSigner{}
+		if tx.Protected() {
+			signer = types.NewEIP155Signer(tx.ChainId())
+		}
+		from, _ := types.Sender(signer, tx)
 		if s.b.AccountManager().HasAddress(from) {
 			transactions = append(transactions, newRPCPendingTransaction(tx))
 		}
@@ -1281,7 +1294,12 @@ func (s *PublicTransactionPoolAPI) PendingTransactions() []*RPCTransaction {
 func (s *PublicTransactionPoolAPI) Resend(ctx context.Context, tx Tx, gasPrice, gasLimit *rpc.HexNumber) (common.Hash, error) {
 	pending := s.b.GetPoolTransactions()
 	for _, p := range pending {
-		if pFrom, err := p.FromFrontier(); err == nil && pFrom == tx.From && p.SigHash() == tx.tx.SigHash() {
+		var signer types.Signer = types.HomesteadSigner{}
+		if p.Protected() {
+			signer = types.NewEIP155Signer(p.ChainId())
+		}
+
+		if pFrom, err := types.Sender(signer, p); err == nil && pFrom == tx.From && signer.Hash(p) == signer.Hash(tx.tx) {
 			if gasPrice == nil {
 				gasPrice = rpc.NewHexNumber(tx.tx.GasPrice())
 			}

internal/ethapi/backend.go

@@ -28,6 +28,7 @@ import (
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
 	"golang.org/x/net/context"
 )
@@ -59,6 +60,9 @@ type Backend interface {
 	GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)
 	Stats() (pending int, queued int)
 	TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)
+
+	ChainConfig() *params.ChainConfig
+	CurrentBlock() *types.Block
 }
 
 type State interface {

internal/ethapi/tracer_test.go

@@ -29,11 +29,6 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 )
 
-type ruleSet struct{}
-
-func (self *ruleSet) IsHomestead(*big.Int) bool    { return true }
-func (*ruleSet) GasTable(*big.Int) params.GasTable { return params.GasTableHomesteadGasRepriceFork }
-
 type Env struct {
 	gasLimit *big.Int
 	depth    int
@@ -46,7 +41,9 @@ func NewEnv(config *vm.Config) *Env {
 	return env
 }
 
-func (self *Env) RuleSet() vm.RuleSet    { return &ruleSet{} }
+func (self *Env) ChainConfig() *params.ChainConfig {
+	return params.TestChainConfig
+}
 func (self *Env) Vm() vm.Vm              { return self.evm }
 func (self *Env) Origin() common.Address { return common.Address{} }
 func (self *Env) BlockNumber() *big.Int  { return big.NewInt(0) }

les/api_backend.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/internal/ethapi"
 	"github.com/ethereum/go-ethereum/light"
+	"github.com/ethereum/go-ethereum/params"
 	rpc "github.com/ethereum/go-ethereum/rpc"
 	"golang.org/x/net/context"
 )
@@ -39,6 +40,14 @@ type LesApiBackend struct {
 	gpo *gasprice.LightPriceOracle
 }
 
+func (b *LesApiBackend) ChainConfig() *params.ChainConfig {
+	return b.eth.chainConfig
+}
+
+func (b *LesApiBackend) CurrentBlock() *types.Block {
+	return types.NewBlockWithHeader(b.eth.BlockChain().CurrentHeader())
+}
+
 func (b *LesApiBackend) SetHead(number uint64) {
 	b.eth.blockchain.SetHead(number)
 }
@@ -81,13 +90,13 @@ func (b *LesApiBackend) GetTd(blockHash common.Hash) *big.Int {
 
 func (b *LesApiBackend) GetVMEnv(ctx context.Context, msg core.Message, state ethapi.State, header *types.Header) (vm.Environment, func() error, error) {
 	stateDb := state.(*light.LightState).Copy()
-	addr, _ := msg.From()
+	addr := msg.From()
 	from, err := stateDb.GetOrNewStateObject(ctx, addr)
 	if err != nil {
 		return nil, nil, err
 	}
 	from.SetBalance(common.MaxBig)
-	env := light.NewEnv(ctx, stateDb, b.eth.chainConfig, b.eth.blockchain, msg, header, b.eth.chainConfig.VmConfig)
+	env := light.NewEnv(ctx, stateDb, b.eth.chainConfig, b.eth.blockchain, msg, header, vm.Config{})
 	return env, env.Error, nil
 }
 

les/backend.go

@@ -29,7 +29,6 @@ import (
 	"github.com/ethereum/go-ethereum/common/httpclient"
 	"github.com/ethereum/go-ethereum/core"
 	"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/downloader"
 	"github.com/ethereum/go-ethereum/eth/filters"
@@ -42,13 +41,14 @@ import (
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/ethereum/go-ethereum/params"
 	rpc "github.com/ethereum/go-ethereum/rpc"
 )
 
 type LightEthereum struct {
 	odr         *LesOdr
 	relay       *LesTxRelay
-	chainConfig *core.ChainConfig
+	chainConfig *params.ChainConfig
 	// Channel for shutting down the service
 	shutdownChan chan bool
 	// Handlers
@@ -107,10 +107,6 @@ func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error) {
 		return nil, errors.New("missing chain config")
 	}
 	eth.chainConfig = config.ChainConfig
-	eth.chainConfig.VmConfig = vm.Config{
-		EnableJit: config.EnableJit,
-		ForceJit:  config.ForceJit,
-	}
 	eth.blockchain, err = light.NewLightChain(odr, eth.chainConfig, eth.pow, eth.eventMux)
 	if err != nil {
 		if err == core.ErrNoGenesis {

les/handler.go

@@ -38,6 +38,7 @@ import (
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/discover"
 	"github.com/ethereum/go-ethereum/p2p/discv5"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/trie"
@@ -95,7 +96,7 @@ type ProtocolManager struct {
 	txpool      txPool
 	txrelay     *LesTxRelay
 	networkId   int
-	chainConfig *core.ChainConfig
+	chainConfig *params.ChainConfig
 	blockchain  BlockChain
 	chainDb     ethdb.Database
 	odr         *LesOdr
@@ -129,7 +130,7 @@ type ProtocolManager struct {
 
 // NewProtocolManager returns a new ethereum sub protocol manager. The Ethereum sub protocol manages peers capable
 // with the ethereum network.
-func NewProtocolManager(chainConfig *core.ChainConfig, lightSync bool, networkId int, mux *event.TypeMux, pow pow.PoW, blockchain BlockChain, txpool txPool, chainDb ethdb.Database, odr *LesOdr, txrelay *LesTxRelay) (*ProtocolManager, error) {
+func NewProtocolManager(chainConfig *params.ChainConfig, lightSync bool, networkId int, mux *event.TypeMux, pow pow.PoW, blockchain BlockChain, txpool txPool, chainDb ethdb.Database, odr *LesOdr, txrelay *LesTxRelay) (*ProtocolManager, error) {
 	// Create the protocol manager with the base fields
 	manager := &ProtocolManager{
 		lightSync:   lightSync,

les/helper_test.go

@@ -73,20 +73,22 @@ contract test {
 */
 
 func testChainGen(i int, block *core.BlockGen) {
+	signer := types.HomesteadSigner{}
+
 	switch i {
 	case 0:
 		// In block 1, the test bank sends account #1 some ether.
-		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
 		block.AddTx(tx)
 	case 1:
 		// In block 2, the test bank sends some more ether to account #1.
 		// acc1Addr passes it on to account #2.
 		// acc1Addr creates a test contract.
-		tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+		tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
 		nonce := block.TxNonce(acc1Addr)
-		tx2, _ := types.NewTransaction(nonce, acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
+		tx2, _ := types.NewTransaction(nonce, acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, acc1Key)
 		nonce++
-		tx3, _ := types.NewContractCreation(nonce, big.NewInt(0), big.NewInt(200000), big.NewInt(0), testContractCode).SignECDSA(acc1Key)
+		tx3, _ := types.NewContractCreation(nonce, big.NewInt(0), big.NewInt(200000), big.NewInt(0), testContractCode).SignECDSA(signer, acc1Key)
 		testContractAddr = crypto.CreateAddress(acc1Addr, nonce)
 		block.AddTx(tx1)
 		block.AddTx(tx2)
@@ -96,7 +98,7 @@ func testChainGen(i int, block *core.BlockGen) {
 		block.SetCoinbase(acc2Addr)
 		block.SetExtra([]byte("yeehaw"))
 		data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001")
-		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(testBankKey)
+		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(signer, testBankKey)
 		block.AddTx(tx)
 	case 3:
 		// Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
@@ -107,7 +109,7 @@ func testChainGen(i int, block *core.BlockGen) {
 		b3.Extra = []byte("foo")
 		block.AddUncle(b3)
 		data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002")
-		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(testBankKey)
+		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(signer, testBankKey)
 		block.AddTx(tx)
 	}
 }
@@ -131,7 +133,7 @@ func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *cor
 		pow         = new(core.FakePow)
 		db, _       = ethdb.NewMemDatabase()
 		genesis     = core.WriteGenesisBlockForTesting(db, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
-		chainConfig = &core.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
+		chainConfig = &params.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
 		odr         *LesOdr
 		chain       BlockChain
 	)
@@ -141,7 +143,7 @@ func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *cor
 		chain, _ = light.NewLightChain(odr, chainConfig, pow, evmux)
 	} else {
 		blockchain, _ := core.NewBlockChain(db, chainConfig, pow, evmux)
-		gchain, _ := core.GenerateChain(nil, genesis, db, blocks, generator)
+		gchain, _ := core.GenerateChain(chainConfig, genesis, db, blocks, generator)
 		if _, err := blockchain.InsertChain(gchain); err != nil {
 			panic(err)
 		}
@@ -214,7 +216,7 @@ func (p *testTxPool) GetTransactions() types.Transactions {
 // newTestTransaction create a new dummy transaction.
 func newTestTransaction(from *ecdsa.PrivateKey, nonce uint64, datasize int) *types.Transaction {
 	tx := types.NewTransaction(nonce, common.Address{}, big.NewInt(0), big.NewInt(100000), big.NewInt(0), make([]byte, datasize))
-	tx, _ = tx.SignECDSA(from)
+	tx, _ = tx.SignECDSA(types.HomesteadSigner{}, from)
 
 	return tx
 }

les/odr_test.go

@@ -26,17 +26,19 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"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/ethdb"
 	"github.com/ethereum/go-ethereum/light"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"golang.org/x/net/context"
 )
 
-type odrTestFn func(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte
+type odrTestFn func(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte
 
 func TestOdrGetBlockLes1(t *testing.T) { testOdr(t, 1, 1, odrGetBlock) }
 
-func odrGetBlock(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
+func odrGetBlock(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
 	var block *types.Block
 	if bc != nil {
 		block = bc.GetBlockByHash(bhash)
@@ -52,7 +54,7 @@ func odrGetBlock(ctx context.Context, db ethdb.Database, config *core.ChainConfi
 
 func TestOdrGetReceiptsLes1(t *testing.T) { testOdr(t, 1, 1, odrGetReceipts) }
 
-func odrGetReceipts(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
+func odrGetReceipts(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
 	var receipts types.Receipts
 	if bc != nil {
 		receipts = core.GetBlockReceipts(db, bhash, core.GetBlockNumber(db, bhash))
@@ -68,7 +70,7 @@ func odrGetReceipts(ctx context.Context, db ethdb.Database, config *core.ChainCo
 
 func TestOdrAccountsLes1(t *testing.T) { testOdr(t, 1, 1, odrAccounts) }
 
-func odrAccounts(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
+func odrAccounts(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
 	dummyAddr := common.HexToAddress("1234567812345678123456781234567812345678")
 	acc := []common.Address{testBankAddress, acc1Addr, acc2Addr, dummyAddr}
 
@@ -98,47 +100,13 @@ func odrAccounts(ctx context.Context, db ethdb.Database, config *core.ChainConfi
 
 func TestOdrContractCallLes1(t *testing.T) { testOdr(t, 1, 2, odrContractCall) }
 
-// fullcallmsg is the message type used for call transations.
+type callmsg struct {
-type fullcallmsg struct {
+	types.Message
-	from          *state.StateObject
+}
-	to            *common.Address
+
-	gas, gasPrice *big.Int
+func (callmsg) CheckNonce() bool { return false }
-	value         *big.Int
+
-	data          []byte
+func odrContractCall(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
-}
-
-// accessor boilerplate to implement core.Message
-func (m fullcallmsg) From() (common.Address, error)         { return m.from.Address(), nil }
-func (m fullcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
-func (m fullcallmsg) Nonce() uint64                         { return 0 }
-func (m fullcallmsg) CheckNonce() bool                      { return false }
-func (m fullcallmsg) To() *common.Address                   { return m.to }
-func (m fullcallmsg) GasPrice() *big.Int                    { return m.gasPrice }
-func (m fullcallmsg) Gas() *big.Int                         { return m.gas }
-func (m fullcallmsg) Value() *big.Int                       { return m.value }
-func (m fullcallmsg) Data() []byte                          { return m.data }
-
-// callmsg is the message type used for call transations.
-type lightcallmsg struct {
-	from          *light.StateObject
-	to            *common.Address
-	gas, gasPrice *big.Int
-	value         *big.Int
-	data          []byte
-}
-
-// accessor boilerplate to implement core.Message
-func (m lightcallmsg) From() (common.Address, error)         { return m.from.Address(), nil }
-func (m lightcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
-func (m lightcallmsg) Nonce() uint64                         { return 0 }
-func (m lightcallmsg) CheckNonce() bool                      { return false }
-func (m lightcallmsg) To() *common.Address                   { return m.to }
-func (m lightcallmsg) GasPrice() *big.Int                    { return m.gasPrice }
-func (m lightcallmsg) Gas() *big.Int                         { return m.gas }
-func (m lightcallmsg) Value() *big.Int                       { return m.value }
-func (m lightcallmsg) Data() []byte                          { return m.data }
-
-func odrContractCall(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
 	data := common.Hex2Bytes("60CD26850000000000000000000000000000000000000000000000000000000000000000")
 
 	var res []byte
@@ -151,16 +119,8 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *core.ChainC
 				from := statedb.GetOrNewStateObject(testBankAddress)
 				from.SetBalance(common.MaxBig)
 
-				msg := fullcallmsg{
+				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), big.NewInt(100000), new(big.Int), data)}
-					from:     from,
+				vmenv := core.NewEnv(statedb, config, bc, msg, header, vm.Config{})
-					gas:      big.NewInt(100000),
-					gasPrice: big.NewInt(0),
-					value:    big.NewInt(0),
-					data:     data,
-					to:       &testContractAddr,
-				}
-
-				vmenv := core.NewEnv(statedb, config, bc, msg, header, config.VmConfig)
 				gp := new(core.GasPool).AddGas(common.MaxBig)
 				ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
 				res = append(res, ret...)
@@ -172,16 +132,9 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *core.ChainC
 			if err == nil {
 				from.SetBalance(common.MaxBig)
 
-				msg := lightcallmsg{
+				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), big.NewInt(100000), new(big.Int), data)}
-					from:     from,
-					gas:      big.NewInt(100000),
-					gasPrice: big.NewInt(0),
-					value:    big.NewInt(0),
-					data:     data,
-					to:       &testContractAddr,
-				}
 
-				vmenv := light.NewEnv(ctx, state, config, lc, msg, header, config.VmConfig)
+				vmenv := light.NewEnv(ctx, state, config, lc, msg, header, vm.Config{})
 				gp := new(core.GasPool).AddGas(common.MaxBig)
 				ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
 				if vmenv.Error() == nil {

light/lightchain.go

@@ -29,6 +29,7 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/hashicorp/golang-lru"
@@ -71,7 +72,7 @@ type LightChain struct {
 // NewLightChain returns a fully initialised light chain using information
 // available in the database. It initialises the default Ethereum header
 // validator.
-func NewLightChain(odr OdrBackend, config *core.ChainConfig, pow pow.PoW, mux *event.TypeMux) (*LightChain, error) {
+func NewLightChain(odr OdrBackend, config *params.ChainConfig, pow pow.PoW, mux *event.TypeMux) (*LightChain, error) {
 	bodyCache, _ := lru.New(bodyCacheLimit)
 	bodyRLPCache, _ := lru.New(bodyCacheLimit)
 	blockCache, _ := lru.New(blockCacheLimit)

light/lightchain_test.go

@@ -28,6 +28,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/pow"
 	"github.com/hashicorp/golang-lru"
 	"golang.org/x/net/context"
@@ -41,7 +42,7 @@ var (
 
 // makeHeaderChain creates a deterministic chain of headers rooted at parent.
 func makeHeaderChain(parent *types.Header, n int, db ethdb.Database, seed int) []*types.Header {
-	blocks, _ := core.GenerateChain(nil, types.NewBlockWithHeader(parent), db, n, func(i int, b *core.BlockGen) {
+	blocks, _ := core.GenerateChain(params.TestChainConfig, types.NewBlockWithHeader(parent), db, n, func(i int, b *core.BlockGen) {
 		b.SetCoinbase(common.Address{0: byte(seed), 19: byte(i)})
 	})
 	headers := make([]*types.Header, len(blocks))
@@ -51,8 +52,8 @@ func makeHeaderChain(parent *types.Header, n int, db ethdb.Database, seed int) [
 	return headers
 }
 
-func testChainConfig() *core.ChainConfig {
+func testChainConfig() *params.ChainConfig {
-	return &core.ChainConfig{HomesteadBlock: big.NewInt(0)}
+	return &params.ChainConfig{HomesteadBlock: big.NewInt(0)}
 }
 
 // newCanonical creates a chain database, and injects a deterministic canonical

light/odr_test.go

@@ -148,45 +148,11 @@ func odrAccounts(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc
 
 func TestOdrContractCallLes1(t *testing.T) { testChainOdr(t, 1, 2, odrContractCall) }
 
-// fullcallmsg is the message type used for call transations.
+type callmsg struct {
-type fullcallmsg struct {
+	types.Message
-	from          *state.StateObject
-	to            *common.Address
-	gas, gasPrice *big.Int
-	value         *big.Int
-	data          []byte
 }
 
-// accessor boilerplate to implement core.Message
+func (callmsg) CheckNonce() bool { return false }
-func (m fullcallmsg) From() (common.Address, error)         { return m.from.Address(), nil }
-func (m fullcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
-func (m fullcallmsg) Nonce() uint64                         { return 0 }
-func (m fullcallmsg) CheckNonce() bool                      { return false }
-func (m fullcallmsg) To() *common.Address                   { return m.to }
-func (m fullcallmsg) GasPrice() *big.Int                    { return m.gasPrice }
-func (m fullcallmsg) Gas() *big.Int                         { return m.gas }
-func (m fullcallmsg) Value() *big.Int                       { return m.value }
-func (m fullcallmsg) Data() []byte                          { return m.data }
-
-// callmsg is the message type used for call transations.
-type lightcallmsg struct {
-	from          *StateObject
-	to            *common.Address
-	gas, gasPrice *big.Int
-	value         *big.Int
-	data          []byte
-}
-
-// accessor boilerplate to implement core.Message
-func (m lightcallmsg) From() (common.Address, error)         { return m.from.Address(), nil }
-func (m lightcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
-func (m lightcallmsg) Nonce() uint64                         { return 0 }
-func (m lightcallmsg) CheckNonce() bool                      { return false }
-func (m lightcallmsg) To() *common.Address                   { return m.to }
-func (m lightcallmsg) GasPrice() *big.Int                    { return m.gasPrice }
-func (m lightcallmsg) Gas() *big.Int                         { return m.gas }
-func (m lightcallmsg) Value() *big.Int                       { return m.value }
-func (m lightcallmsg) Data() []byte                          { return m.data }
 
 func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) []byte {
 	data := common.Hex2Bytes("60CD26850000000000000000000000000000000000000000000000000000000000000000")
@@ -201,15 +167,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain
 				from := statedb.GetOrNewStateObject(testBankAddress)
 				from.SetBalance(common.MaxBig)
 
-				msg := fullcallmsg{
+				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), big.NewInt(1000000), new(big.Int), data)}
-					from:     from,
-					gas:      big.NewInt(100000),
-					gasPrice: big.NewInt(0),
-					value:    big.NewInt(0),
-					data:     data,
-					to:       &testContractAddr,
-				}
-
 				vmenv := core.NewEnv(statedb, testChainConfig(), bc, msg, header, vm.Config{})
 				gp := new(core.GasPool).AddGas(common.MaxBig)
 				ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
@@ -222,15 +180,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain
 			if err == nil {
 				from.SetBalance(common.MaxBig)
 
-				msg := lightcallmsg{
+				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), big.NewInt(1000000), new(big.Int), data)}
-					from:     from,
-					gas:      big.NewInt(100000),
-					gasPrice: big.NewInt(0),
-					value:    big.NewInt(0),
-					data:     data,
-					to:       &testContractAddr,
-				}
-
 				vmenv := NewEnv(ctx, state, testChainConfig(), lc, msg, header, vm.Config{})
 				gp := new(core.GasPool).AddGas(common.MaxBig)
 				ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
@@ -244,20 +194,21 @@ func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain
 }
 
 func testChainGen(i int, block *core.BlockGen) {
+	signer := types.HomesteadSigner{}
 	switch i {
 	case 0:
 		// In block 1, the test bank sends account #1 some ether.
-		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
 		block.AddTx(tx)
 	case 1:
 		// In block 2, the test bank sends some more ether to account #1.
 		// acc1Addr passes it on to account #2.
 		// acc1Addr creates a test contract.
-		tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+		tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, testBankKey)
 		nonce := block.TxNonce(acc1Addr)
-		tx2, _ := types.NewTransaction(nonce, acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
+		tx2, _ := types.NewTransaction(nonce, acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(signer, acc1Key)
 		nonce++
-		tx3, _ := types.NewContractCreation(nonce, big.NewInt(0), big.NewInt(1000000), big.NewInt(0), testContractCode).SignECDSA(acc1Key)
+		tx3, _ := types.NewContractCreation(nonce, big.NewInt(0), big.NewInt(1000000), big.NewInt(0), testContractCode).SignECDSA(signer, acc1Key)
 		testContractAddr = crypto.CreateAddress(acc1Addr, nonce)
 		block.AddTx(tx1)
 		block.AddTx(tx2)
@@ -267,7 +218,7 @@ func testChainGen(i int, block *core.BlockGen) {
 		block.SetCoinbase(acc2Addr)
 		block.SetExtra([]byte("yeehaw"))
 		data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001")
-		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(testBankKey)
+		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(signer, testBankKey)
 		block.AddTx(tx)
 	case 3:
 		// Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
@@ -278,7 +229,7 @@ func testChainGen(i int, block *core.BlockGen) {
 		b3.Extra = []byte("foo")
 		block.AddUncle(b3)
 		data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002")
-		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(testBankKey)
+		tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(signer, testBankKey)
 		block.AddTx(tx)
 	}
 }
@@ -294,7 +245,8 @@ func testChainOdr(t *testing.T, protocol int, expFail uint64, fn odrTestFn) {
 	core.WriteGenesisBlockForTesting(ldb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
 	// Assemble the test environment
 	blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux)
-	gchain, _ := core.GenerateChain(nil, genesis, sdb, 4, testChainGen)
+	chainConfig := &params.ChainConfig{HomesteadBlock: new(big.Int)}
+	gchain, _ := core.GenerateChain(chainConfig, genesis, sdb, 4, testChainGen)
 	if _, err := blockchain.InsertChain(gchain); err != nil {
 		panic(err)
 	}

light/state_test.go

@@ -41,7 +41,7 @@ func makeTestState() (common.Hash, ethdb.Database) {
 		st.AddBalance(addr, big.NewInt(int64(i)))
 		st.SetCode(addr, []byte{i, i, i})
 	}
-	root, _ := st.Commit()
+	root, _ := st.Commit(false)
 	return root, sdb
 }
 

light/txpool.go

@@ -28,6 +28,7 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"golang.org/x/net/context"
 )
@@ -42,7 +43,8 @@ var txPermanent = uint64(500)
 // always receive all locally signed transactions in the same order as they are
 // created.
 type TxPool struct {
-	config   *core.ChainConfig
+	config   *params.ChainConfig
+	signer   types.Signer
 	quit     chan bool
 	eventMux *event.TypeMux
 	events   event.Subscription
@@ -76,9 +78,10 @@ type TxRelayBackend interface {
 }
 
 // NewTxPool creates a new light transaction pool
-func NewTxPool(config *core.ChainConfig, eventMux *event.TypeMux, chain *LightChain, relay TxRelayBackend) *TxPool {
+func NewTxPool(config *params.ChainConfig, eventMux *event.TypeMux, chain *LightChain, relay TxRelayBackend) *TxPool {
 	pool := &TxPool{
 		config:   config,
+		signer:   types.HomesteadSigner{},
 		nonce:    make(map[common.Address]uint64),
 		pending:  make(map[common.Hash]*types.Transaction),
 		mined:    make(map[common.Hash][]*types.Transaction),
@@ -197,7 +200,7 @@ func (pool *TxPool) checkMinedTxs(ctx context.Context, hash common.Hash, idx uin
 				if len(receipts) != len(block.Transactions()) {
 					panic(nil) // should never happen if hashes did match
 				}
-				core.SetReceiptsData(block, receipts)
+				core.SetReceiptsData(pool.config, block, receipts)
 			}
 			//fmt.Println("WriteReceipt", receipts[i].TxHash)
 			core.WriteReceipt(pool.chainDb, receipts[i])
@@ -308,6 +311,7 @@ func (pool *TxPool) eventLoop() {
 			m, r := txc.getLists()
 			pool.relay.NewHead(pool.head, m, r)
 			pool.homestead = pool.config.IsHomestead(head.Number)
+			pool.signer = types.MakeSigner(pool.config, head.Number)
 			pool.mu.Unlock()
 		}
 	}
@@ -339,7 +343,7 @@ func (pool *TxPool) validateTx(ctx context.Context, tx *types.Transaction) error
 
 	// Validate the transaction sender and it's sig. Throw
 	// if the from fields is invalid.
-	if from, err = tx.From(); err != nil {
+	if from, err = types.Sender(pool.signer, tx); err != nil {
 		return core.ErrInvalidSender
 	}
 
@@ -388,7 +392,7 @@ func (pool *TxPool) validateTx(ctx context.Context, tx *types.Transaction) error
 	}
 
 	// Should supply enough intrinsic gas
-	if tx.Gas().Cmp(core.IntrinsicGas(tx.Data(), core.MessageCreatesContract(tx), pool.homestead)) < 0 {
+	if tx.Gas().Cmp(core.IntrinsicGas(tx.Data(), tx.To() == nil, pool.homestead)) < 0 {
 		return core.ErrIntrinsicGas
 	}
 
@@ -412,7 +416,8 @@ func (self *TxPool) add(ctx context.Context, tx *types.Transaction) error {
 		self.pending[hash] = tx
 
 		nonce := tx.Nonce() + 1
-		addr, _ := tx.From()
+
+		addr, _ := types.Sender(self.signer, tx)
 		if nonce > self.nonce[addr] {
 			self.nonce[addr] = nonce
 		}
@@ -432,7 +437,7 @@ func (self *TxPool) add(ctx context.Context, tx *types.Transaction) error {
 		}
 		// we can ignore the error here because From is
 		// verified in ValidateTransaction.
-		f, _ := tx.From()
+		f, _ := types.Sender(self.signer, tx)
 		from := common.Bytes2Hex(f[:4])
 		glog.Infof("(t) %x => %s (%v) %x\n", from, toname, tx.Value, hash)
 	}
@@ -517,7 +522,7 @@ func (self *TxPool) Content() (map[common.Address]types.Transactions, map[common
 	// Retrieve all the pending transactions and sort by account and by nonce
 	pending := make(map[common.Address]types.Transactions)
 	for _, tx := range self.pending {
-		account, _ := tx.From()
+		account, _ := types.Sender(self.signer, tx)
 		pending[account] = append(pending[account], tx)
 	}
 	// There are no queued transactions in a light pool, just return an empty map

light/txpool_test.go

@@ -74,7 +74,7 @@ func txPoolTestChainGen(i int, block *core.BlockGen) {
 
 func TestTxPool(t *testing.T) {
 	for i, _ := range testTx {
-		testTx[i], _ = types.NewTransaction(uint64(i), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+		testTx[i], _ = types.NewTransaction(uint64(i), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(types.HomesteadSigner{}, testBankKey)
 	}
 
 	var (
@@ -87,7 +87,8 @@ func TestTxPool(t *testing.T) {
 	core.WriteGenesisBlockForTesting(ldb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
 	// Assemble the test environment
 	blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux)
-	gchain, _ := core.GenerateChain(nil, genesis, sdb, poolTestBlocks, txPoolTestChainGen)
+	chainConfig := &params.ChainConfig{HomesteadBlock: new(big.Int)}
+	gchain, _ := core.GenerateChain(chainConfig, genesis, sdb, poolTestBlocks, txPoolTestChainGen)
 	if _, err := blockchain.InsertChain(gchain); err != nil {
 		panic(err)
 	}

light/vm_env.go

@@ -24,6 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/params"
 	"golang.org/x/net/context"
 )
 
@@ -34,7 +35,7 @@ import (
 type VMEnv struct {
 	vm.Environment
 	ctx         context.Context
-	chainConfig *core.ChainConfig
+	chainConfig *params.ChainConfig
 	evm         *vm.EVM
 	state       *VMState
 	header      *types.Header
@@ -45,7 +46,7 @@ type VMEnv struct {
 }
 
 // NewEnv creates a new execution environment based on an ODR capable light state
-func NewEnv(ctx context.Context, state *LightState, chainConfig *core.ChainConfig, chain *LightChain, msg core.Message, header *types.Header, cfg vm.Config) *VMEnv {
+func NewEnv(ctx context.Context, state *LightState, chainConfig *params.ChainConfig, chain *LightChain, msg core.Message, header *types.Header, cfg vm.Config) *VMEnv {
 	env := &VMEnv{
 		chainConfig: chainConfig,
 		chain:       chain,
@@ -58,9 +59,9 @@ func NewEnv(ctx context.Context, state *LightState, chainConfig *core.ChainConfi
 	return env
 }
 
-func (self *VMEnv) RuleSet() vm.RuleSet      { return self.chainConfig }
+func (self *VMEnv) ChainConfig() *params.ChainConfig { return self.chainConfig }
 func (self *VMEnv) Vm() vm.Vm                        { return self.evm }
-func (self *VMEnv) Origin() common.Address   { f, _ := self.msg.From(); return f }
+func (self *VMEnv) Origin() common.Address           { return self.msg.From() }
 func (self *VMEnv) BlockNumber() *big.Int            { return self.header.Number }
 func (self *VMEnv) Coinbase() common.Address         { return self.header.Coinbase }
 func (self *VMEnv) Time() *big.Int                   { return self.header.Time }

miner/miner.go

@@ -62,7 +62,7 @@ type Miner struct {
 	shouldStart int32 // should start indicates whether we should start after sync
 }
 
-func New(eth Backend, config *core.ChainConfig, mux *event.TypeMux, pow pow.PoW) *Miner {
+func New(eth Backend, config *params.ChainConfig, mux *event.TypeMux, pow pow.PoW) *Miner {
 	miner := &Miner{
 		eth:      eth,
 		mux:      mux,

miner/worker.go

@@ -63,7 +63,9 @@ type uint64RingBuffer struct {
 // Work is the workers current environment and holds
 // all of the current state information
 type Work struct {
-	config           *core.ChainConfig
+	config *params.ChainConfig
+	signer types.Signer
+
 	state            *state.StateDB // apply state changes here
 	ancestors        *set.Set       // ancestor set (used for checking uncle parent validity)
 	family           *set.Set       // family set (used for checking uncle invalidity)
@@ -90,7 +92,7 @@ type Result struct {
 
 // worker is the main object which takes care of applying messages to the new state
 type worker struct {
-	config *core.ChainConfig
+	config *params.ChainConfig
 
 	mu sync.Mutex
 
@@ -128,7 +130,7 @@ type worker struct {
 	fullValidation bool
 }
 
-func newWorker(config *core.ChainConfig, coinbase common.Address, eth Backend, mux *event.TypeMux) *worker {
+func newWorker(config *params.ChainConfig, coinbase common.Address, eth Backend, mux *event.TypeMux) *worker {
 	worker := &worker{
 		config:         config,
 		eth:            eth,
@@ -235,7 +237,7 @@ func (self *worker) update() {
 			if atomic.LoadInt32(&self.mining) == 0 {
 				self.currentMu.Lock()
 
-				acc, _ := ev.Tx.From()
+				acc, _ := types.Sender(self.current.signer, ev.Tx)
 				txs := map[common.Address]types.Transactions{acc: types.Transactions{ev.Tx}}
 				txset := types.NewTransactionsByPriceAndNonce(txs)
 
@@ -276,7 +278,7 @@ func (self *worker) wait() {
 				}
 				go self.mux.Post(core.NewMinedBlockEvent{Block: block})
 			} else {
-				work.state.Commit()
+				work.state.Commit(self.config.IsEIP158(block.Number()))
 				parent := self.chain.GetBlock(block.ParentHash(), block.NumberU64()-1)
 				if parent == nil {
 					glog.V(logger.Error).Infoln("Invalid block found during mining")
@@ -367,6 +369,7 @@ func (self *worker) makeCurrent(parent *types.Block, header *types.Header) error
 	}
 	work := &Work{
 		config:    self.config,
+		signer:    types.NewEIP155Signer(self.config.ChainId),
 		state:     state,
 		ancestors: set.New(),
 		family:    set.New(),
@@ -528,7 +531,7 @@ func (self *worker) commitNewWork() {
 	if atomic.LoadInt32(&self.mining) == 1 {
 		// commit state root after all state transitions.
 		core.AccumulateRewards(work.state, header, uncles)
-		header.Root = work.state.IntermediateRoot()
+		header.Root = work.state.IntermediateRoot(self.config.IsEIP158(header.Number))
 	}
 
 	// create the new block whose nonce will be mined.
@@ -570,7 +573,17 @@ func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsB
 		}
 		// Error may be ignored here. The error has already been checked
 		// during transaction acceptance is the transaction pool.
-		from, _ := tx.From()
+		//
+		// We use the eip155 signer regardless of the current hf.
+		from, _ := types.Sender(env.signer, tx)
+		// Check whether the tx is replay protected. If we're not in the EIP155 hf
+		// phase, start ignoring the sender until we do.
+		if tx.Protected() && !env.config.IsEIP155(env.header.Number) {
+			glog.V(logger.Detail).Infof("Transaction (%x) is replay protected, but we haven't yet hardforked. Transaction will be ignored until we hardfork.\n", tx.Hash())
+
+			txs.Pop()
+			continue
+		}
 
 		// Ignore any transactions (and accounts subsequently) with low gas limits
 		if tx.GasPrice().Cmp(gasPrice) < 0 && !env.ownedAccounts.Has(from) {
@@ -620,14 +633,7 @@ func (env *Work) commitTransactions(mux *event.TypeMux, txs *types.TransactionsB
 func (env *Work) commitTransaction(tx *types.Transaction, bc *core.BlockChain, gp *core.GasPool) (error, vm.Logs) {
 	snap := env.state.Snapshot()
 
-	// this is a bit of a hack to force jit for the miners
+	receipt, logs, _, err := core.ApplyTransaction(env.config, bc, gp, env.state, env.header, tx, env.header.GasUsed, vm.Config{})
-	config := env.config.VmConfig
-	if !(config.EnableJit && config.ForceJit) {
-		config.EnableJit = false
-	}
-	config.ForceJit = false // disable forcing jit
-
-	receipt, logs, _, err := core.ApplyTransaction(env.config, bc, gp, env.state, env.header, tx, env.header.GasUsed, config)
 	if err != nil {
 		env.state.RevertToSnapshot(snap)
 		return err, nil

params/config.go

@@ -0,0 +1,112 @@
+// Copyright 2016 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 params
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// ChainConfig is the core config which determines the blockchain settings.
+//
+// ChainConfig is stored in the database on a per block basis. This means
+// that any network, identified by its genesis block, can have its own
+// set of configuration options.
+type ChainConfig struct {
+	ChainId *big.Int `json:"chainId"` // Chain id identifies the current chain and is used for replay protection
+
+	HomesteadBlock *big.Int `json:"homesteadBlock"` // Homestead switch block (nil = no fork, 0 = already homestead)
+	DAOForkBlock   *big.Int `json:"daoForkBlock"`   // TheDAO hard-fork switch block (nil = no fork)
+	DAOForkSupport bool     `json:"daoForkSupport"` // Whether the nodes supports or opposes the DAO hard-fork
+
+	// EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
+	EIP150Block *big.Int    `json:"eip150Block"` // EIP150 HF block (nil = no fork)
+	EIP150Hash  common.Hash `json:"eip150Hash"`  // EIP150 HF hash (fast sync aid)
+
+	EIP155Block *big.Int `json:"eip155Block"` // EIP155 HF block
+	EIP158Block *big.Int `json:"eip158Block"` // EIP158 HF block
+}
+
+var (
+	TestChainConfig = &ChainConfig{big.NewInt(1), new(big.Int), new(big.Int), true, new(big.Int), common.Hash{}, new(big.Int), new(big.Int)}
+	TestRules       = TestChainConfig.Rules(new(big.Int))
+)
+
+// IsHomestead returns whether num is either equal to the homestead block or greater.
+func (c *ChainConfig) IsHomestead(num *big.Int) bool {
+	if c.HomesteadBlock == nil || num == nil {
+		return false
+	}
+	return num.Cmp(c.HomesteadBlock) >= 0
+}
+
+// GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice).
+//
+// The returned GasTable's fields shouldn't, under any circumstances, be changed.
+func (c *ChainConfig) GasTable(num *big.Int) GasTable {
+	if num == nil {
+		return GasTableHomestead
+	}
+
+	switch {
+	case c.EIP158Block != nil && num.Cmp(c.EIP158Block) >= 0:
+		return GasTableEIP158
+	case c.EIP150Block != nil && num.Cmp(c.EIP150Block) >= 0:
+		return GasTableHomesteadGasRepriceFork
+	default:
+		return GasTableHomestead
+	}
+}
+
+func (c *ChainConfig) IsEIP150(num *big.Int) bool {
+	if c.EIP150Block == nil || num == nil {
+		return false
+	}
+	return num.Cmp(c.EIP150Block) >= 0
+
+}
+
+func (c *ChainConfig) IsEIP155(num *big.Int) bool {
+	if c.EIP155Block == nil || num == nil {
+		return false
+	}
+	return num.Cmp(c.EIP155Block) >= 0
+
+}
+
+func (c *ChainConfig) IsEIP158(num *big.Int) bool {
+	if c.EIP158Block == nil || num == nil {
+		return false
+	}
+	return num.Cmp(c.EIP158Block) >= 0
+
+}
+
+// Rules wraps ChainConfig and is merely syntatic sugar or can be used for functions
+// that do not have or require information about the block.
+//
+// Rules is a one time interface meaning that it shouldn't be used in between transition
+// phases.
+type Rules struct {
+	ChainId                                   *big.Int
+	IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool
+}
+
+func (c *ChainConfig) Rules(num *big.Int) Rules {
+	return Rules{ChainId: new(big.Int).Set(c.ChainId), IsHomestead: c.IsHomestead(num), IsEIP150: c.IsEIP150(num), IsEIP155: c.IsEIP155(num), IsEIP158: c.IsEIP158(num)}
+}

params/gas_table.go

@@ -26,6 +26,8 @@ type GasTable struct {
 	Calls       *big.Int
 	Suicide     *big.Int
 
+	ExpByte *big.Int
+
 	// CreateBySuicide occurs when the
 	// refunded account is one that does
 	// not exist. This logic is similar
@@ -44,6 +46,7 @@ var (
 		SLoad:       big.NewInt(50),
 		Calls:       big.NewInt(40),
 		Suicide:     big.NewInt(0),
+		ExpByte:     big.NewInt(10),
 
 		// explicitly set to nil to indicate
 		// this rule does not apply to homestead.
@@ -52,6 +55,8 @@ var (
 
 	// GasTableHomestead contain the gas re-prices for
 	// the homestead phase.
+	//
+	// TODO rename to GasTableEIP150
 	GasTableHomesteadGasRepriceFork = GasTable{
 		ExtcodeSize: big.NewInt(700),
 		ExtcodeCopy: big.NewInt(700),
@@ -59,6 +64,19 @@ var (
 		SLoad:       big.NewInt(200),
 		Calls:       big.NewInt(700),
 		Suicide:     big.NewInt(5000),
+		ExpByte:     big.NewInt(10),
+
+		CreateBySuicide: big.NewInt(25000),
+	}
+
+	GasTableEIP158 = GasTable{
+		ExtcodeSize: big.NewInt(700),
+		ExtcodeCopy: big.NewInt(700),
+		Balance:     big.NewInt(400),
+		SLoad:       big.NewInt(200),
+		Calls:       big.NewInt(700),
+		Suicide:     big.NewInt(5000),
+		ExpByte:     big.NewInt(50),
 
 		CreateBySuicide: big.NewInt(25000),
 	}

params/protocol_params.go

@@ -14,9 +14,6 @@
 // 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/>.
 
-// DO NOT EDIT!!!
-// AUTOGENERATED FROM generators/defaults.go
-
 package params
 
 import "math/big"
@@ -72,4 +69,5 @@ var (
 	MemoryGas            = big.NewInt(3)      // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL.
 	TxDataNonZeroGas     = big.NewInt(68)     // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions.
 
+	MaxCodeSize = 24576
 )

params/util.go

@@ -34,4 +34,7 @@ var (
 
 	TestNetHomesteadGasRepriceHash = common.HexToHash("0xf376243aeff1f256d970714c3de9fd78fa4e63cf63e32a51fe1169e375d98145") // Testnet gas reprice block hash (used by fast sync)
 	MainNetHomesteadGasRepriceHash = common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0") // Mainnet gas reprice block hash (used by fast sync)
+
+	TestNetSpuriousDragon = big.NewInt(3000000)
+	MainNetSpuriousDragon = big.NewInt(3000000)
 )

tests/block_test_util.go

@@ -35,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
@@ -170,7 +171,7 @@ func runBlockTest(homesteadBlock, daoForkBlock, gasPriceFork *big.Int, test *Blo
 	core.WriteCanonicalHash(db, test.Genesis.Hash(), test.Genesis.NumberU64())
 	core.WriteHeadBlockHash(db, test.Genesis.Hash())
 	evmux := new(event.TypeMux)
-	config := &core.ChainConfig{HomesteadBlock: homesteadBlock, DAOForkBlock: daoForkBlock, DAOForkSupport: true, HomesteadGasRepriceBlock: gasPriceFork}
+	config := &params.ChainConfig{HomesteadBlock: homesteadBlock, DAOForkBlock: daoForkBlock, DAOForkSupport: true, EIP150Block: gasPriceFork}
 	chain, err := core.NewBlockChain(db, config, ethash.NewShared(), evmux)
 	if err != nil {
 		return err
@@ -228,7 +229,7 @@ func (t *BlockTest) InsertPreState(db ethdb.Database) (*state.StateDB, error) {
 		}
 	}
 
-	root, err := statedb.Commit()
+	root, err := statedb.Commit(false)
 	if err != nil {
 		return nil, fmt.Errorf("error writing state: %v", err)
 	}

tests/files/BlockchainTests/EIP150/README.md

@@ -0,0 +1,4 @@
+Rules for .json tests execution in this folder: 
+
+All blocks starting from #0 are on Homestead+EIP150 rules
+No Dao Transition rules applied

tests/files/BlockchainTests/EIP150/bcBlockGasLimitTest.json

@@ -0,0 +1,644 @@
+{
+    "GasUsedHigherThanBlockGasLimitButNotWithRefundsSuicideFirst" : {
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "8888f1f195afa192cfee860698584c030f4c9db1",
+                    "difficulty" : "0x020000",
+                    "extraData" : "0x",
+                    "gasLimit" : "0x0573e3",
+                    "gasUsed" : "0x021efa",
+                    "hash" : "8086802b019efc2bca969f14c1ced66661ff0250481dcfbaa609c60f0d490c34",
+                    "mixHash" : "0f3f1d2ad01778b1b2c6c307df2f89dfc670b5efc82c0f8aef87a509e602997b",
+                    "nonce" : "c29fac11db33446c",
+                    "number" : "0x01",
+                    "parentHash" : "6b68d5db45371f617741815045c95862f0fbcb659c1eb25dda1d63b15d7280af",
+                    "receiptTrie" : "bb6c4ae4ebcbc88ae8357320da84cc4e3cbcd7d8e23324b4a2d9646680e65d44",
+                    "stateRoot" : "96860dd0661d97a7f0d394ebc3505f9cb804be725da9a2b7800ab3f73c3e17fc",
+                    "timestamp" : "0x580223b5",
+                    "transactionsTrie" : "7ae056a6d50cfeb8d04816bc1d1e7751f4e054e04d9fde05f5ca200fa0c85b1a",
+                    "uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0xcb20",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x00",
+                        "r" : "0x2609a830fd417f9e998391145c3e00efda383fd5ac9e67154a94c9a58ba57eae",
+                        "s" : "0x0826134c963655d5f0d3c7b6e66a2978cd4b9e99e555d3d8540e60c0291b35dd",
+                        "to" : "aaaf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1b",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0xc738",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x01",
+                        "r" : "0x54b220ad38df2c2f927f6db93047e2fd19ed3d4fa3263c64db555529b00caddc",
+                        "s" : "0x688f6a99a0a02850ebe5015a2bbacd780a236dffc2cf41069c7e9f374e618310",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1c",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0xc738",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x02",
+                        "r" : "0x739f7287fe4c8c4d41a9721f7c7dca156a70e07c3bc58ac8680cc03add73cc5d",
+                        "s" : "0x56909c94e76719d959fa30679f1080431395f4b85f1fc011f2176ad9119f7dcc",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1b",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0xc738",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x03",
+                        "r" : "0x9a6b71ffd5ca40339dc032244b33b9dcee5c6c2f5a6519ccb695a959dde6a579",
+                        "s" : "0x3003f276fa97709ae630cc53d301441e4527ab9645da02053676990943c0f73e",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1c",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0xc738",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x04",
+                        "r" : "0x8070f1c4c61c8a2b8f6f814e08a0460dec7fd337e5fde990ad157239c92a7b8f",
+                        "s" : "0x51dc860feae88e8851be7c7d9b3665d4185b6b85510bdb9426eb9806d0e3d5f0",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1c",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0xc738",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x05",
+                        "r" : "0x16886934bf97dc78307bc6d4ad150255d15531043ac7e8073c599dc7903dbd4a",
+                        "s" : "0x413ba95502d806757c7b273f018904f19d5c0d441e3547002a387f0e55c4f406",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1c",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0xc738",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x06",
+                        "r" : "0x8cdece94e5a6f5a3ea7b3962db6e623efc3c17b8668b94975657078b436c19f1",
+                        "s" : "0x4453797459a63ca64d238328d86756995b688b4239e62c686aeb6a4e8003f0b8",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1c",
+                        "value" : "0x0a"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x057288",
+            "gasUsed" : "0x00",
+            "hash" : "6b68d5db45371f617741815045c95862f0fbcb659c1eb25dda1d63b15d7280af",
+            "mixHash" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "af81e09f8c46ca322193edfda764fa7e88e81923f802f1d325ec0b0308ac2cd0",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "8086802b019efc2bca969f14c1ced66661ff0250481dcfbaa609c60f0d490c34",
+        "postState" : {
+            "8888f1f195afa192cfee860698584c030f4c9db1" : {
+                "balance" : "0x45639182450935c4",
+                "code" : "0x",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x4a723dc6b40b8cedf6ae00",
+                "code" : "0x",
+                "nonce" : "0x07",
+                "storage" : {
+                }
+            },
+            "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3c",
+                "code" : "0x",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x4a723dc6b40b8a9a000000",
+                "code" : "0x",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "aaaf5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x02540be400",
+                "code" : "0x73a94f5374fce5edbc8e2a8697c15331677e6ebf0bff",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        }
+    },
+    "GasUsedHigherThanBlockGasLimitButNotWithRefundsSuicideFirst2" : {
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "8888f1f195afa192cfee860698584c030f4c9db1",
+                    "difficulty" : "0x020000",
+                    "extraData" : "0x",
+                    "gasLimit" : "0x023ec6",
+                    "gasUsed" : "0x01f018",
+                    "hash" : "7f7b5aa2c8b0c530c860c294e1c68ce1da99e19f8adc9db3a39650d12e820cc2",
+                    "mixHash" : "067968b01dfe7bd172a87f8380db26a013f8bc37147a406ba2ec67d2400a1265",
+                    "nonce" : "c196d1163d69e2bb",
+                    "number" : "0x01",
+                    "parentHash" : "ce1f26f798dd03c8782d63b3e42e79a64eaea5694ea686ac5d7ce3df5171d1ae",
+                    "receiptTrie" : "516f24d9989eb3dec28434a8f1667a42342f98adb2524b980b9f116f9e93e487",
+                    "stateRoot" : "d6c172507a4e3d5977e652d294075e0d35469808ded3843d62daa63f28281236",
+                    "timestamp" : "0x580223b8",
+                    "transactionsTrie" : "50f0f01320e78f4ea013368304ca412fd36cb758cd051a717378cc8dd18b871b",
+                    "uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0x55f0",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x00",
+                        "r" : "0x575da4e21b66fa764be5f74da9389e67693d066fb0d1312e19e17e501da00ecd",
+                        "s" : "0x6baf5a5327595f6619dfc2fcb3f2e6fb410b5810af3cb52d0e7508038e91a188",
+                        "to" : "aaaf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1c",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0x5208",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x01",
+                        "r" : "0x4fa966bf34b93abc1bcd665554b7f316b50f928477b50be0f3285ead29d18c5b",
+                        "s" : "0x17bba0eeec1625ab433746955e125d46d80b7fdc97386c51266f842d8e02192e",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1b",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0x5208",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x02",
+                        "r" : "0x04377418ae981cc32b1312b4a427a1d69a821b28db8584f5f2bd8c6d42458ada",
+                        "s" : "0x53a1dba1af177fac92f3b6af0a9fa46a22adf56e686c93794b6a012bf254abf5",
+                        "to" : "bbbf5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "v" : "0x1c",
+                        "value" : "0x0a"
+                    },
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0x5208",
+                        "gasPrice" : "0x0a",
+                        "nonce" : "0x03",
+                        "r" : "0x4fe13febd28a05f4fcb2f451d7ddc2dda56486d9f8c79a62b0ba4da775122615",
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