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-rw-r--r--core/block_processor.go3
-rw-r--r--core/state_transition.go5
-rw-r--r--core/transaction_pool.go54
-rw-r--r--core/types/transaction.go76
-rw-r--r--core/types/transaction_test.go57
-rw-r--r--crypto/crypto.go2
-rw-r--r--crypto/crypto_test.go8
-rw-r--r--pow/ezp/pow.go11
8 files changed, 144 insertions, 72 deletions
diff --git a/core/block_processor.go b/core/block_processor.go
index fd4009037..b12f88c47 100644
--- a/core/block_processor.go
+++ b/core/block_processor.go
@@ -81,7 +81,8 @@ func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, stated
_, gas, err := ApplyMessage(NewEnv(statedb, self.bc, tx, block), tx, cb)
if err != nil && (IsNonceErr(err) || state.IsGasLimitErr(err) || IsInvalidTxErr(err)) {
// If the account is managed, remove the invalid nonce.
- self.bc.TxState().RemoveNonce(tx.From(), tx.Nonce())
+ from, _ := tx.From()
+ self.bc.TxState().RemoveNonce(from, tx.Nonce())
return nil, nil, err
}
diff --git a/core/state_transition.go b/core/state_transition.go
index ce9835751..29de501b0 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -44,9 +44,10 @@ type StateTransition struct {
env vm.Environment
}
+// Message represents a message sent to a contract.
type Message interface {
- From() common.Address
- To() common.Address
+ From() (common.Address, error)
+ To() *common.Address
GasPrice() *big.Int
Gas() *big.Int
diff --git a/core/transaction_pool.go b/core/transaction_pool.go
index 515cc2040..2efc0511c 100644
--- a/core/transaction_pool.go
+++ b/core/transaction_pool.go
@@ -5,8 +5,8 @@ import (
"fmt"
"sync"
- "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
)
@@ -20,9 +20,7 @@ var (
const txPoolQueueSize = 50
type TxPoolHook chan *types.Transaction
-type TxMsg struct {
- Tx *types.Transaction
-}
+type TxMsg struct{ Tx *types.Transaction }
const (
minGasPrice = 1000000
@@ -44,7 +42,7 @@ type TxPool struct {
quit chan bool
// The actual pool
//pool *list.List
- txs map[string]*types.Transaction
+ txs map[common.Hash]*types.Transaction
SecondaryProcessor TxProcessor
@@ -55,7 +53,7 @@ type TxPool struct {
func NewTxPool(eventMux *event.TypeMux) *TxPool {
return &TxPool{
- txs: make(map[string]*types.Transaction),
+ txs: make(map[common.Hash]*types.Transaction),
queueChan: make(chan *types.Transaction, txPoolQueueSize),
quit: make(chan bool),
eventMux: eventMux,
@@ -63,21 +61,16 @@ func NewTxPool(eventMux *event.TypeMux) *TxPool {
}
func (pool *TxPool) ValidateTransaction(tx *types.Transaction) error {
- if len(tx.To()) != 0 && len(tx.To()) != 20 {
- return fmt.Errorf("Invalid recipient. len = %d", len(tx.To()))
+ // Validate sender
+ if _, err := tx.From(); err != nil {
+ return err
}
-
// Validate curve param
v, _, _ := tx.Curve()
if v > 28 || v < 27 {
return fmt.Errorf("tx.v != (28 || 27) => %v", v)
}
-
- // Validate sender address
- senderAddr := tx.From()
- if senderAddr == nil || len(senderAddr) != 20 {
- return ErrInvalidSender
- }
+ return nil
/* XXX this kind of validation needs to happen elsewhere in the gui when sending txs.
Other clients should do their own validation. Value transfer could throw error
@@ -91,19 +84,16 @@ func (pool *TxPool) ValidateTransaction(tx *types.Transaction) error {
return fmt.Errorf("Insufficient amount in sender's (%x) account", tx.From())
}
*/
-
- return nil
}
func (self *TxPool) addTx(tx *types.Transaction) {
- self.txs[string(tx.Hash())] = tx
+ self.txs[tx.Hash()] = tx
}
func (self *TxPool) add(tx *types.Transaction) error {
- if self.txs[string(tx.Hash())] != nil {
+ if self.txs[tx.Hash()] != nil {
return fmt.Errorf("Known transaction (%x)", tx.Hash()[0:4])
}
-
err := self.ValidateTransaction(tx)
if err != nil {
return err
@@ -111,18 +101,16 @@ func (self *TxPool) add(tx *types.Transaction) error {
self.addTx(tx)
- var to string
- if len(tx.To()) > 0 {
- to = common.Bytes2Hex(tx.To()[:4])
+ var toname string
+ if to, valid := tx.To(); valid {
+ toname = common.Bytes2Hex(to[:4])
} else {
- to = "[NEW_CONTRACT]"
- }
- var from string
- if len(tx.From()) > 0 {
- from = common.Bytes2Hex(tx.From()[:4])
- } else {
- return errors.New(fmt.Sprintf("FROM ADDRESS MUST BE POSITIVE (was %v)", tx.From()))
+ toname = "[NEW_CONTRACT]"
}
+ // we can ignore the error here because From is
+ // verified in ValidateTransaction.
+ f, _ := tx.From()
+ from := common.Bytes2Hex(f[:4])
txplogger.Debugf("(t) %x => %s (%v) %x\n", from, to, tx.Value, tx.Hash())
// Notify the subscribers
@@ -140,6 +128,7 @@ func (self *TxPool) Add(tx *types.Transaction) error {
defer self.mu.Unlock()
return self.add(tx)
}
+
func (self *TxPool) AddTransactions(txs []*types.Transaction) {
self.mu.Lock()
defer self.mu.Unlock()
@@ -186,14 +175,13 @@ func (pool *TxPool) RemoveInvalid(query StateQuery) {
func (self *TxPool) RemoveSet(txs types.Transactions) {
self.mu.Lock()
defer self.mu.Unlock()
-
for _, tx := range txs {
- delete(self.txs, string(tx.Hash()))
+ delete(self.txs, tx.Hash())
}
}
func (pool *TxPool) Flush() {
- pool.txs = make(map[string]*types.Transaction)
+ pool.txs = make(map[common.Hash]*types.Transaction)
}
func (pool *TxPool) Start() {
diff --git a/core/types/transaction.go b/core/types/transaction.go
index d55c5d5ae..24035a3ae 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -2,7 +2,9 @@ package types
import (
"bytes"
+ "errors"
"fmt"
+ "io"
"math/big"
"github.com/ethereum/go-ethereum/common"
@@ -20,19 +22,19 @@ type Transaction struct {
AccountNonce uint64
Price *big.Int
GasLimit *big.Int
- Recipient common.Address
+ Recipient *common.Address // nil means contract creation
Amount *big.Int
Payload []byte
V byte
R, S []byte
}
-func NewContractCreationTx(Amount, gasAmount, price *big.Int, data []byte) *Transaction {
- return NewTransactionMessage(common.Address{}, Amount, gasAmount, price, data)
+func NewContractCreationTx(amount, gasLimit, gasPrice *big.Int, data []byte) *Transaction {
+ return &Transaction{Recipient: nil, Amount: amount, GasLimit: gasLimit, Price: gasPrice, Payload: data}
}
-func NewTransactionMessage(to common.Address, Amount, gasAmount, price *big.Int, data []byte) *Transaction {
- return &Transaction{Recipient: to, Amount: Amount, Price: price, GasLimit: gasAmount, Payload: data}
+func NewTransactionMessage(to common.Address, amount, gasAmount, gasPrice *big.Int, data []byte) *Transaction {
+ return &Transaction{Recipient: &to, Amount: amount, GasLimit: gasAmount, Price: gasPrice, Payload: data}
}
func NewTransactionFromBytes(data []byte) *Transaction {
@@ -44,7 +46,7 @@ func NewTransactionFromBytes(data []byte) *Transaction {
func (tx *Transaction) Hash() (a common.Hash) {
h := sha3.NewKeccak256()
rlp.Encode(h, []interface{}{tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload})
- h.Sum(a[:])
+ h.Sum(a[:0])
return a
}
@@ -72,19 +74,27 @@ func (self *Transaction) SetNonce(AccountNonce uint64) {
self.AccountNonce = AccountNonce
}
-func (self *Transaction) From() common.Address {
- return self.sender()
+func (self *Transaction) From() (common.Address, error) {
+ pubkey := self.PublicKey()
+ if len(pubkey) == 0 || pubkey[0] != 4 {
+ return common.Address{}, errors.New("invalid public key")
+ }
+ var addr common.Address
+ copy(addr[:], crypto.Sha3(pubkey[1:]))
+ return addr, nil
}
-func (self *Transaction) To() common.Address {
- return self.Recipient
+// To returns the recipient of the transaction.
+// If transaction is a contract creation (with no recipient address)
+// To returns nil.
+func (tx *Transaction) To() *common.Address {
+ return tx.Recipient
}
func (tx *Transaction) Curve() (v byte, r []byte, s []byte) {
v = byte(tx.V)
r = common.LeftPadBytes(tx.R, 32)
s = common.LeftPadBytes(tx.S, 32)
-
return
}
@@ -105,18 +115,6 @@ func (tx *Transaction) PublicKey() []byte {
return pubkey
}
-func (tx *Transaction) sender() (a common.Address) {
- pubkey := tx.PublicKey()
-
- // Validate the returned key.
- // Return nil if public key isn't in full format
- if len(pubkey) == 0 || pubkey[0] != 4 {
- return a
- }
- copy(a[:], crypto.Sha3(pubkey[1:]))
- return a
-}
-
func (tx *Transaction) SetSignatureValues(sig []byte) error {
tx.R = sig[:32]
tx.S = sig[32:64]
@@ -124,6 +122,19 @@ func (tx *Transaction) SetSignatureValues(sig []byte) error {
return nil
}
+func (tx Transaction) EncodeRLP(w io.Writer) error {
+ return rlp.Encode(w, []interface{}{
+ tx.AccountNonce,
+ tx.Price, tx.GasLimit,
+ tx.Recipient,
+ tx.Amount,
+ tx.Payload,
+ tx.V,
+ tx.R,
+ tx.S,
+ })
+}
+
// TODO: remove
func (tx *Transaction) RlpData() interface{} {
data := []interface{}{tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload}
@@ -136,11 +147,22 @@ func (tx *Transaction) RlpEncode() []byte {
}
func (tx *Transaction) String() string {
+ var from, to string
+ if f, err := tx.From(); err != nil {
+ from = "[invalid sender]"
+ } else {
+ from = fmt.Sprintf("%x", f[:])
+ }
+ if t := tx.To(); t == nil {
+ to = "[contract creation]"
+ } else {
+ to = fmt.Sprintf("%x", t[:])
+ }
return fmt.Sprintf(`
TX(%x)
Contract: %v
- From: %x
- To: %x
+ From: %s
+ To: %s
Nonce: %v
GasPrice: %v
GasLimit %v
@@ -153,8 +175,8 @@ func (tx *Transaction) String() string {
`,
tx.Hash(),
len(tx.Recipient) == 0,
- tx.From(),
- tx.To(),
+ from,
+ to,
tx.AccountNonce,
tx.Price,
tx.GasLimit,
diff --git a/core/types/transaction_test.go b/core/types/transaction_test.go
index ab1254f4c..0b0dfe3ff 100644
--- a/core/types/transaction_test.go
+++ b/core/types/transaction_test.go
@@ -1 +1,58 @@
package types
+
+import (
+ "bytes"
+ "math/big"
+ "testing"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/rlp"
+)
+
+// The values in those tests are from the Transaction Tests
+// at github.com/ethereum/tests.
+
+var (
+ emptyTx = NewTransactionMessage(
+ common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"),
+ big.NewInt(0), big.NewInt(0), big.NewInt(0),
+ nil,
+ )
+
+ rightvrsRecipient = common.HexToAddress("b94f5374fce5edbc8e2a8697c15331677e6ebf0b")
+ rightvrsTx = &Transaction{
+ Recipient: &rightvrsRecipient,
+ AccountNonce: 3,
+ Price: big.NewInt(1),
+ GasLimit: big.NewInt(2000),
+ Amount: big.NewInt(10),
+ Payload: common.FromHex("5544"),
+ V: 28,
+ R: common.FromHex("98ff921201554726367d2be8c804a7ff89ccf285ebc57dff8ae4c44b9c19ac4a"),
+ S: common.FromHex("8887321be575c8095f789dd4c743dfe42c1820f9231f98a962b210e3ac2452a3"),
+ }
+)
+
+func TestTransactionHash(t *testing.T) {
+ // "EmptyTransaction"
+ if emptyTx.Hash() != common.HexToHash("c775b99e7ad12f50d819fcd602390467e28141316969f4b57f0626f74fe3b386") {
+ t.Errorf("empty transaction hash mismatch, got %x", emptyTx.Hash())
+ }
+
+ // "RightVRSTest"
+ if rightvrsTx.Hash() != common.HexToHash("fe7a79529ed5f7c3375d06b26b186a8644e0e16c373d7a12be41c62d6042b77a") {
+ t.Errorf("RightVRS transaction hash mismatch, got %x", rightvrsTx.Hash())
+ }
+}
+
+func TestTransactionEncode(t *testing.T) {
+ // "RightVRSTest"
+ txb, err := rlp.EncodeToBytes(rightvrsTx)
+ if err != nil {
+ t.Fatalf("encode error: %v", err)
+ }
+ should := common.FromHex("f86103018207d094b94f5374fce5edbc8e2a8697c15331677e6ebf0b0a8255441ca098ff921201554726367d2be8c804a7ff89ccf285ebc57dff8ae4c44b9c19ac4aa08887321be575c8095f789dd4c743dfe42c1820f9231f98a962b210e3ac2452a3")
+ if !bytes.Equal(txb, should) {
+ t.Errorf("encoded RLP mismatch, got %x", txb)
+ }
+}
diff --git a/crypto/crypto.go b/crypto/crypto.go
index e9582ac77..c3d47b629 100644
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@@ -43,7 +43,7 @@ func Sha3Hash(data ...[]byte) (h common.Hash) {
for _, b := range data {
d.Write(b)
}
- d.Sum(h[:])
+ d.Sum(h[:0])
return h
}
diff --git a/crypto/crypto_test.go b/crypto/crypto_test.go
index 754287641..63a9c3f5e 100644
--- a/crypto/crypto_test.go
+++ b/crypto/crypto_test.go
@@ -7,8 +7,8 @@ import (
"testing"
"time"
- "github.com/ethereum/go-ethereum/crypto/secp256k1"
"github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto/secp256k1"
)
// These tests are sanity checks.
@@ -21,6 +21,12 @@ func TestSha3(t *testing.T) {
checkhash(t, "Sha3-256", func(in []byte) []byte { return Sha3(in) }, msg, exp)
}
+func TestSha3Hash(t *testing.T) {
+ msg := []byte("abc")
+ exp, _ := hex.DecodeString("4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45")
+ checkhash(t, "Sha3-256-array", func(in []byte) []byte { h := Sha3Hash(in); return h[:] }, msg, exp)
+}
+
func TestSha256(t *testing.T) {
msg := []byte("abc")
exp, _ := hex.DecodeString("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")
diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go
index 7eba95784..bd2927fe8 100644
--- a/pow/ezp/pow.go
+++ b/pow/ezp/pow.go
@@ -6,8 +6,8 @@ import (
"math/rand"
"time"
- "github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
)
@@ -83,17 +83,14 @@ func (pow *EasyPow) Verify(block pow.Block) bool {
return Verify(block)
}
-func verify(hash []byte, diff *big.Int, nonce uint64) bool {
+func verify(hash common.Hash, diff *big.Int, nonce uint64) bool {
sha := sha3.NewKeccak256()
-
n := make([]byte, 8)
binary.PutUvarint(n, nonce)
- d := append(hash, n...)
- sha.Write(d)
-
+ sha.Write(n)
+ sha.Write(hash[:])
verification := new(big.Int).Div(common.BigPow(2, 256), diff)
res := common.BigD(sha.Sum(nil))
-
return res.Cmp(verification) <= 0
}