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authorobscuren <geffobscura@gmail.com>2015-03-17 01:43:09 +0800
committerobscuren <geffobscura@gmail.com>2015-03-17 01:43:09 +0800
commit6aa390abfb8553c3cbbd5fa658f7f3788d3c262c (patch)
tree3aed4fe06788bb8fdac95b15028ef48046e19759
parent91b0b14845750c81466880f5f877fe3fcbd03b09 (diff)
parent16df850af2d2da0b7082e246d6f05eb1f1dc0706 (diff)
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Merge branch 'conversion' of github.com-obscure:ethereum/go-ethereum into conversion
-rw-r--r--core/types/block.go5
-rw-r--r--core/types/transaction.go89
-rw-r--r--crypto/crypto.go11
3 files changed, 36 insertions, 69 deletions
diff --git a/core/types/block.go b/core/types/block.go
index 9a97061b7..80fc238aa 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -1,7 +1,6 @@
package types
import (
- "bytes"
"encoding/binary"
"fmt"
"math/big"
@@ -156,9 +155,9 @@ func (self *Block) Transactions() Transactions {
return self.transactions
}
-func (self *Block) Transaction(hash []byte) *Transaction {
+func (self *Block) Transaction(hash common.Hash) *Transaction {
for _, transaction := range self.transactions {
- if bytes.Equal(hash, transaction.Hash()) {
+ if transaction.Hash() == hash {
return transaction
}
}
diff --git a/core/types/transaction.go b/core/types/transaction.go
index dcd48af11..d55c5d5ae 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -2,13 +2,13 @@ package types
import (
"bytes"
- "crypto/ecdsa"
"fmt"
"math/big"
+ "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
- "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/rlp"
)
@@ -20,7 +20,7 @@ type Transaction struct {
AccountNonce uint64
Price *big.Int
GasLimit *big.Int
- Recipient []byte
+ Recipient common.Address
Amount *big.Int
Payload []byte
V byte
@@ -28,31 +28,24 @@ type Transaction struct {
}
func NewContractCreationTx(Amount, gasAmount, price *big.Int, data []byte) *Transaction {
- return NewTransactionMessage(nil, Amount, gasAmount, price, data)
+ return NewTransactionMessage(common.Address{}, Amount, gasAmount, price, data)
}
-func NewTransactionMessage(to []byte, Amount, gasAmount, price *big.Int, data []byte) *Transaction {
+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 NewTransactionFromBytes(data []byte) *Transaction {
- tx := &Transaction{}
- tx.RlpDecode(data)
-
+ tx := new(Transaction)
+ rlp.Decode(bytes.NewReader(data), tx)
return tx
}
-func NewTransactionFromAmount(val *common.Value) *Transaction {
- tx := &Transaction{}
- tx.RlpValueDecode(val)
-
- return tx
-}
-
-func (tx *Transaction) Hash() []byte {
- data := []interface{}{tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload}
-
- return crypto.Sha3(common.Encode(data))
+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[:])
+ return a
}
func (self *Transaction) Data() []byte {
@@ -79,11 +72,11 @@ func (self *Transaction) SetNonce(AccountNonce uint64) {
self.AccountNonce = AccountNonce
}
-func (self *Transaction) From() []byte {
+func (self *Transaction) From() common.Address {
return self.sender()
}
-func (self *Transaction) To() []byte {
+func (self *Transaction) To() common.Address {
return self.Recipient
}
@@ -97,48 +90,31 @@ func (tx *Transaction) Curve() (v byte, r []byte, s []byte) {
func (tx *Transaction) Signature(key []byte) []byte {
hash := tx.Hash()
-
- sig, _ := secp256k1.Sign(hash, key)
-
+ sig, _ := secp256k1.Sign(hash[:], key)
return sig
}
func (tx *Transaction) PublicKey() []byte {
hash := tx.Hash()
-
v, r, s := tx.Curve()
-
sig := append(r, s...)
sig = append(sig, v-27)
//pubkey := crypto.Ecrecover(append(hash, sig...))
- pubkey, _ := secp256k1.RecoverPubkey(hash, sig)
-
+ pubkey, _ := secp256k1.RecoverPubkey(hash[:], sig)
return pubkey
}
-func (tx *Transaction) sender() []byte {
+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 nil
+ return a
}
-
- return crypto.Sha3(pubkey[1:])[12:]
-}
-
-// TODO: deprecate after new accounts & key stores are integrated
-func (tx *Transaction) Sign(privk []byte) error {
-
- sig := tx.Signature(privk)
-
- tx.R = sig[:32]
- tx.S = sig[32:64]
- tx.V = sig[64] + 27
-
- return nil
+ copy(a[:], crypto.Sha3(pubkey[1:]))
+ return a
}
func (tx *Transaction) SetSignatureValues(sig []byte) error {
@@ -148,36 +124,17 @@ func (tx *Transaction) SetSignatureValues(sig []byte) error {
return nil
}
-func (tx *Transaction) SignECDSA(key *ecdsa.PrivateKey) error {
- return tx.Sign(crypto.FromECDSA(key))
-}
-
+// TODO: remove
func (tx *Transaction) RlpData() interface{} {
data := []interface{}{tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload}
-
return append(data, tx.V, new(big.Int).SetBytes(tx.R).Bytes(), new(big.Int).SetBytes(tx.S).Bytes())
}
+// TODO: remove
func (tx *Transaction) RlpEncode() []byte {
return common.Encode(tx)
}
-func (tx *Transaction) RlpDecode(data []byte) {
- rlp.Decode(bytes.NewReader(data), tx)
-}
-
-func (tx *Transaction) RlpValueDecode(decoder *common.Value) {
- tx.AccountNonce = decoder.Get(0).Uint()
- tx.Price = decoder.Get(1).BigInt()
- tx.GasLimit = decoder.Get(2).BigInt()
- tx.Recipient = decoder.Get(3).Bytes()
- tx.Amount = decoder.Get(4).BigInt()
- tx.Payload = decoder.Get(5).Bytes()
- tx.V = decoder.Get(6).Byte()
- tx.R = decoder.Get(7).Bytes()
- tx.S = decoder.Get(8).Bytes()
-}
-
func (tx *Transaction) String() string {
return fmt.Sprintf(`
TX(%x)
@@ -213,6 +170,7 @@ func (tx *Transaction) String() string {
// Transaction slice type for basic sorting
type Transactions []*Transaction
+// TODO: remove
func (self Transactions) RlpData() interface{} {
// Marshal the transactions of this block
enc := make([]interface{}, len(self))
@@ -223,6 +181,7 @@ func (self Transactions) RlpData() interface{} {
return enc
}
+
func (s Transactions) Len() int { return len(s) }
func (s Transactions) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s Transactions) GetRlp(i int) []byte { return common.Rlp(s[i]) }
diff --git a/crypto/crypto.go b/crypto/crypto.go
index bc72928ac..1f8dfcf32 100644
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@@ -16,10 +16,10 @@ import (
"errors"
"code.google.com/p/go-uuid/uuid"
+ "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto/ecies"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
"github.com/ethereum/go-ethereum/crypto/sha3"
- "github.com/ethereum/go-ethereum/common"
"golang.org/x/crypto/pbkdf2"
"golang.org/x/crypto/ripemd160"
)
@@ -37,6 +37,15 @@ func Sha3(data ...[]byte) []byte {
return d.Sum(nil)
}
+func Sha3Hash(data ...[]byte) (h common.Hash) {
+ d := sha3.NewKeccak256()
+ for _, b := range data {
+ d.Write(b)
+ }
+ d.Sum(h[:])
+ return h
+}
+
// Creates an ethereum address given the bytes and the nonce
func CreateAddress(b []byte, nonce uint64) []byte {
return Sha3(common.NewValue([]interface{}{b, nonce}).Encode())[12:]