Official Go implementation of the Ethereum protocol
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go-ethereum/ethpipe/js_pipe.go

168 lines
4.0 KiB

package ethpipe
import (
"encoding/json"
"sync/atomic"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethutil"
)
type JSPipe struct {
*Pipe
}
func NewJSPipe(eth ethchain.EthManager) *JSPipe {
return &JSPipe{New(eth)}
}
func (self *JSPipe) GetBlockByHash(strHash string) *JSBlock {
hash := ethutil.Hex2Bytes(strHash)
block := self.obj.BlockChain().GetBlock(hash)
return NewJSBlock(block)
}
func (self *JSPipe) GetKey() *JSKey {
return NewJSKey(self.obj.KeyManager().KeyPair())
}
func (self *JSPipe) GetStateObject(addr string) *JSObject {
object := &Object{self.World().safeGet(ethutil.Hex2Bytes(addr))}
return NewJSObject(object)
}
func (self *JSPipe) GetPeerCount() int {
return self.obj.PeerCount()
}
func (self *JSPipe) GetPeers() []JSPeer {
var peers []JSPeer
for peer := self.obj.Peers().Front(); peer != nil; peer = peer.Next() {
p := peer.Value.(ethchain.Peer)
// we only want connected peers
if atomic.LoadInt32(p.Connected()) != 0 {
peers = append(peers, *NewJSPeer(p))
}
}
return peers
}
func (self *JSPipe) GetIsMining() bool {
return self.obj.IsMining()
}
func (self *JSPipe) GetIsListening() bool {
return self.obj.IsListening()
}
func (self *JSPipe) GetCoinBase() string {
return ethutil.Bytes2Hex(self.obj.KeyManager().Address())
}
func (self *JSPipe) GetStorage(addr, storageAddr string) string {
return self.World().SafeGet(ethutil.Hex2Bytes(addr)).Storage(ethutil.Hex2Bytes(storageAddr)).Str()
}
func (self *JSPipe) GetTxCountAt(address string) int {
return int(self.World().SafeGet(ethutil.Hex2Bytes(address)).Nonce)
}
func (self *JSPipe) IsContract(address string) bool {
return len(self.World().SafeGet(ethutil.Hex2Bytes(address)).Code) > 0
}
func (self *JSPipe) SecretToAddress(key string) string {
pair, err := ethcrypto.NewKeyPairFromSec(ethutil.Hex2Bytes(key))
if err != nil {
return ""
}
return ethutil.Bytes2Hex(pair.Address())
}
type KeyVal struct {
Key string `json:"key"`
Value string `json:"value"`
}
func (self *JSPipe) GetEachStorage(addr string) string {
var values []KeyVal
object := self.World().SafeGet(ethutil.Hex2Bytes(addr))
object.EachStorage(func(name string, value *ethutil.Value) {
value.Decode()
values = append(values, KeyVal{ethutil.Bytes2Hex([]byte(name)), ethutil.Bytes2Hex(value.Bytes())})
})
valuesJson, err := json.Marshal(values)
if err != nil {
return ""
}
return string(valuesJson)
}
func (self *JSPipe) Transact(key, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (*JSReceipt, error) {
var hash []byte
var contractCreation bool
if len(toStr) == 0 {
contractCreation = true
} else {
// Check if an address is stored by this address
addr := self.World().Config().Get("NameReg").StorageString(toStr).Bytes()
if len(addr) > 0 {
hash = addr
} else {
hash = ethutil.Hex2Bytes(toStr)
}
}
var keyPair *ethcrypto.KeyPair
var err error
if ethutil.IsHex(key) {
keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key[2:])))
} else {
keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key)))
}
if err != nil {
return nil, err
}
var (
value = ethutil.Big(valueStr)
gas = ethutil.Big(gasStr)
gasPrice = ethutil.Big(gasPriceStr)
data []byte
tx *ethchain.Transaction
)
if ethutil.IsHex(codeStr) {
data = ethutil.Hex2Bytes(codeStr[2:])
} else {
data = ethutil.Hex2Bytes(codeStr)
}
if contractCreation {
tx = ethchain.NewContractCreationTx(value, gas, gasPrice, data)
} else {
tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data)
}
acc := self.obj.StateManager().TransState().GetOrNewStateObject(keyPair.Address())
tx.Nonce = acc.Nonce
acc.Nonce += 1
self.obj.StateManager().TransState().UpdateStateObject(acc)
tx.Sign(keyPair.PrivateKey)
self.obj.TxPool().QueueTransaction(tx)
if contractCreation {
logger.Infof("Contract addr %x", tx.CreationAddress())
}
return NewJSReciept(contractCreation, tx.CreationAddress(), tx.Hash(), keyPair.Address()), nil
}