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Merge branch 'develop' into rpcfrontier

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Conflicts:
	rpc/api.go
	rpc/args.go
This commit is contained in:
obscuren
2015-03-11 01:08:42 +01:00
parent ce595b9266 eba4f389a6
commit 7e0ccc9de5
42 changed files with 847 additions and 1564 deletions
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163
xeth/xeth.go
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@ -1,14 +1,13 @@
// eXtended ETHereum
package xeth
/*
* eXtended ETHereum
*/
import (
"bytes"
"encoding/json"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
@ -18,7 +17,6 @@ import (
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/ui"
"github.com/ethereum/go-ethereum/whisper"
)
@ -28,11 +26,11 @@ var pipelogger = logger.NewLogger("XETH")
type Backend interface {
BlockProcessor() *core.BlockProcessor
ChainManager() *core.ChainManager
AccountManager() *accounts.Manager
TxPool() *core.TxPool
PeerCount() int
IsListening() bool
Peers() []*p2p.Peer
KeyManager() *crypto.KeyManager
BlockDb() ethutil.Database
StateDb() ethutil.Database
EventMux() *event.TypeMux
@ -40,37 +38,62 @@ type Backend interface {
Miner() *miner.Miner
}
// Frontend should be implemented by users of XEth. Its methods are
// called whenever XEth makes a decision that requires user input.
type Frontend interface {
// UnlockAccount is called when a transaction needs to be signed
// but the key corresponding to the transaction's sender is
// locked.
//
// It should unlock the account with the given address and return
// true if unlocking succeeded.
UnlockAccount(address []byte) bool
// This is called for all transactions inititated through
// Transact. It should prompt the user to confirm the transaction
// and return true if the transaction was acknowledged.
//
// ConfirmTransaction is not used for Call transactions
// because they cannot change any state.
ConfirmTransaction(tx *types.Transaction) bool
}
type XEth struct {
eth Backend
blockProcessor *core.BlockProcessor
chainManager *core.ChainManager
accountManager *accounts.Manager
state *State
whisper *Whisper
miner *miner.Miner
frontend ui.Interface
frontend Frontend
}
type TmpFrontend struct{}
// dummyFrontend is a non-interactive frontend that allows all
// transactions but cannot not unlock any keys.
type dummyFrontend struct{}
func (TmpFrontend) UnlockAccount([]byte) bool { panic("UNLOCK ACCOUNT") }
func (TmpFrontend) ConfirmTransaction(*types.Transaction) bool { panic("CONFIRM TRANSACTION") }
func (dummyFrontend) UnlockAccount([]byte) bool { return false }
func (dummyFrontend) ConfirmTransaction(*types.Transaction) bool { return true }
func New(eth Backend, frontend ui.Interface) *XEth {
// New creates an XEth that uses the given frontend.
// If a nil Frontend is provided, a default frontend which
// confirms all transactions will be used.
func New(eth Backend, frontend Frontend) *XEth {
xeth := &XEth{
eth: eth,
blockProcessor: eth.BlockProcessor(),
chainManager: eth.ChainManager(),
accountManager: eth.AccountManager(),
whisper: NewWhisper(eth.Whisper()),
miner: eth.Miner(),
frontend: frontend,
}
if frontend == nil {
xeth.frontend = TmpFrontend{}
xeth.frontend = dummyFrontend{}
}
xeth.state = NewState(xeth, xeth.chainManager.TransState())
return xeth
}
@ -135,7 +158,13 @@ func (self *XEth) Block(v interface{}) *Block {
}
func (self *XEth) Accounts() []string {
return []string{toHex(self.eth.KeyManager().Address())}
// TODO: check err?
accounts, _ := self.eth.AccountManager().Accounts()
accountAddresses := make([]string, len(accounts))
for i, ac := range accounts {
accountAddresses[i] = toHex(ac.Address)
}
return accountAddresses
}
func (self *XEth) PeerCount() int {
@ -162,7 +191,8 @@ func (self *XEth) IsListening() bool {
}
func (self *XEth) Coinbase() string {
return toHex(self.eth.KeyManager().Address())
cb, _ := self.eth.AccountManager().Coinbase()
return toHex(cb)
}
func (self *XEth) NumberToHuman(balance string) string {
@ -263,7 +293,7 @@ func (self *XEth) PushTx(encodedTx string) (string, error) {
return toHex(tx.Hash()), nil
}
func (self *XEth) Call(toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
if len(gasStr) == 0 {
gasStr = "100000"
}
@ -271,41 +301,34 @@ func (self *XEth) Call(toStr, valueStr, gasStr, gasPriceStr, dataStr string) (st
gasPriceStr = "1"
}
var (
statedb = self.State().State() //self.chainManager.TransState()
key = self.eth.KeyManager().KeyPair()
from = statedb.GetOrNewStateObject(key.Address())
block = self.chainManager.CurrentBlock()
to = statedb.GetOrNewStateObject(fromHex(toStr))
data = fromHex(dataStr)
gas = ethutil.Big(gasStr)
price = ethutil.Big(gasPriceStr)
value = ethutil.Big(valueStr)
)
msg := types.NewTransactionMessage(fromHex(toStr), value, gas, price, data)
msg.Sign(key.PrivateKey)
statedb := self.State().State() //self.chainManager.TransState()
msg := callmsg{
from: statedb.GetOrNewStateObject(fromHex(fromStr)),
to: fromHex(toStr),
gas: ethutil.Big(gasStr),
gasPrice: ethutil.Big(gasPriceStr),
value: ethutil.Big(valueStr),
data: fromHex(dataStr),
}
block := self.chainManager.CurrentBlock()
vmenv := core.NewEnv(statedb, self.chainManager, msg, block)
res, err := vmenv.Call(from, to.Address(), data, gas, price, value)
if err != nil {
return "", err
}
return toHex(res), nil
res, err := vmenv.Call(msg.from, msg.to, msg.data, msg.gas, msg.gasPrice, msg.value)
return toHex(res), err
}
func (self *XEth) Transact(toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
func (self *XEth) Transact(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
var (
from []byte
to []byte
value = ethutil.NewValue(valueStr)
gas = ethutil.NewValue(gasStr)
price = ethutil.NewValue(gasPriceStr)
data []byte
key = self.eth.KeyManager().KeyPair()
contractCreation bool
)
from = fromHex(fromStr)
data = fromHex(codeStr)
to = fromHex(toStr)
if len(to) == 0 {
@ -319,25 +342,61 @@ func (self *XEth) Transact(toStr, valueStr, gasStr, gasPriceStr, codeStr string)
tx = types.NewTransactionMessage(to, value.BigInt(), gas.BigInt(), price.BigInt(), data)
}
var err error
state := self.eth.ChainManager().TxState()
if balance := state.GetBalance(key.Address()); balance.Cmp(tx.Value()) < 0 {
return "", fmt.Errorf("insufficient balance. balance=%v tx=%v", balance, tx.Value())
}
nonce := state.GetNonce(key.Address())
state := self.chainManager.TxState()
nonce := state.GetNonce(from)
tx.SetNonce(nonce)
tx.Sign(key.PrivateKey)
err = self.eth.TxPool().Add(tx)
if err != nil {
if err := self.sign(tx, from, false); err != nil {
return "", err
}
state.SetNonce(key.Address(), nonce+1)
if err := self.eth.TxPool().Add(tx); err != nil {
return "", err
}
state.SetNonce(from, nonce+1)
if contractCreation {
addr := core.AddressFromMessage(tx)
pipelogger.Infof("Contract addr %x\n", addr)
}
if types.IsContractAddr(to) {
return toHex(core.AddressFromMessage(tx)), nil
}
return toHex(tx.Hash()), nil
}
func (self *XEth) sign(tx *types.Transaction, from []byte, didUnlock bool) error {
sig, err := self.accountManager.Sign(accounts.Account{Address: from}, tx.Hash())
if err == accounts.ErrLocked {
if didUnlock {
return fmt.Errorf("sender account still locked after successful unlock")
}
if !self.frontend.UnlockAccount(from) {
return fmt.Errorf("could not unlock sender account")
}
// retry signing, the account should now be unlocked.
return self.sign(tx, from, true)
} else if err != nil {
return err
}
tx.SetSignatureValues(sig)
return nil
}
// callmsg is the message type used for call transations.
type callmsg struct {
from *state.StateObject
to []byte
gas, gasPrice *big.Int
value *big.Int
data []byte
}
// accessor boilerplate to implement core.Message
func (m callmsg) From() []byte { return m.from.Address() }
func (m callmsg) Nonce() uint64 { return m.from.Nonce() }
func (m callmsg) To() []byte { return m.to }
func (m callmsg) GasPrice() *big.Int { return m.gasPrice }
func (m callmsg) Gas() *big.Int { return m.gas }
func (m callmsg) Value() *big.Int { return m.value }
func (m callmsg) Data() []byte { return m.data }