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xeth: don't sign transactions for tx call

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This should make calls faster and removes interaction
with account manager.
This commit is contained in:
Felix Lange 2015-03-09 18:04:40 +01:00
parent 2ee88a220a
commit b4fa94c4b1
2 changed files with 32 additions and 27 deletions
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2
rpc/api.go
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@ -269,7 +269,7 @@ func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) error {
}
func (p *EthereumApi) Call(args *NewTxArgs, reply *interface{}) error {
result, err := p.xeth().Call( /* TODO specify account */ args.To, args.Value, args.Gas, args.GasPrice, args.Data)
result, err := p.xeth().Call(args.From, args.To, args.Value, args.Gas, args.GasPrice, args.Data)
if err != nil {
return err
}

57
xeth/xeth.go
View File

@ -7,6 +7,7 @@ package xeth
import (
"bytes"
"encoding/json"
"math/big"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/core"
@ -243,7 +244,7 @@ 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"
}
@ -251,34 +252,20 @@ func (self *XEth) Call(toStr, valueStr, gasStr, gasPriceStr, dataStr string) (st
gasPriceStr = "1"
}
acct, err := self.accountManager.Default()
if err != nil {
return "", err
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),
}
var (
statedb = self.State().State() //self.chainManager.TransState()
from = statedb.GetOrNewStateObject(acct.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)
sig, err := self.accountManager.Sign(acct, msg.Hash())
if err != nil {
return "", err
}
msg.SetSignatureValues(sig)
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(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
@ -334,3 +321,21 @@ func (self *XEth) Transact(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeSt
return toHex(tx.Hash()), 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 }