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xeth, rpc: implement eth_estimateGas. Closes #930

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obscuren
2015-05-12 14:14:08 +02:00
parent 96d4a7d087
commit 66de3f0aa8
3 changed files with 29 additions and 10 deletions
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6
xeth/xeth.go
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@ -773,7 +773,7 @@ func (self *XEth) PushTx(encodedTx string) (string, error) {
return tx.Hash().Hex(), nil
}
func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, string, error) {
statedb := self.State().State() //self.eth.ChainManager().TransState()
var from *state.StateObject
if len(fromStr) == 0 {
@ -807,8 +807,10 @@ func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr st
block := self.CurrentBlock()
vmenv := core.NewEnv(statedb, self.backend.ChainManager(), msg, block)
initialGas := new(big.Int).Set(msg.gas)
res, err := vmenv.Call(msg.from, msg.to, msg.data, msg.gas, msg.gasPrice, msg.value)
return common.ToHex(res), err
return common.ToHex(res), initialGas.Sub(initialGas, msg.gas).String(), err
}
func (self *XEth) ConfirmTransaction(tx string) bool {