From 66de3f0aa849849c5cf5ad84265f3f3ce8ca5282 Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 12 May 2015 14:14:08 +0200 Subject: xeth, rpc: implement eth_estimateGas. Closes #930 --- xeth/xeth.go | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'xeth') diff --git a/xeth/xeth.go b/xeth/xeth.go index bf5844770..1ddd4c6e4 100644 --- a/xeth/xeth.go +++ b/xeth/xeth.go @@ -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 { -- cgit v1.2.3