diff options
| -rw-r--r-- | cmd/mist/ui_lib.go | 2 | ||||
| -rw-r--r-- | rpc/api.go | 25 | ||||
| -rw-r--r-- | xeth/xeth.go | 6 |
3 files changed, 26 insertions, 7 deletions
diff --git a/cmd/mist/ui_lib.go b/cmd/mist/ui_lib.go index 4653e0980..0958294c3 100644 --- a/cmd/mist/ui_lib.go +++ b/cmd/mist/ui_lib.go @@ -127,7 +127,7 @@ func (self *UiLib) Transact(params map[string]interface{}) (string, error) { ) } -func (self *UiLib) Call(params map[string]interface{}) (string, error) { +func (self *UiLib) Call(params map[string]interface{}) (string, string, error) { object := mapToTxParams(params) return self.XEth.Call( diff --git a/rpc/api.go b/rpc/api.go index d53a9917d..774d26ea2 100644 --- a/rpc/api.go +++ b/rpc/api.go @@ -186,16 +186,24 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err return err } *reply = v - case "eth_call": - args := new(CallArgs) - if err := json.Unmarshal(req.Params, &args); err != nil { + case "eth_estimateGas": + _, gas, err := api.doCall(req.Params) + if err != nil { return err } - v, err := api.xethAtStateNum(args.BlockNumber).Call(args.From, args.To, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data) + // TODO unwrap the parent method's ToHex call + if len(gas) == 0 { + *reply = newHexData([]byte{}) + } else { + *reply = newHexData(gas) + } + case "eth_call": + v, _, err := api.doCall(req.Params) if err != nil { return err } + // TODO unwrap the parent method's ToHex call if v == "0x0" { *reply = newHexData([]byte{}) @@ -571,3 +579,12 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err glog.V(logger.Detail).Infof("Reply: %T %s\n", reply, reply) return nil } + +func (api *EthereumApi) doCall(params json.RawMessage) (string, string, error) { + args := new(CallArgs) + if err := json.Unmarshal(params, &args); err != nil { + return "", "", err + } + + return api.xethAtStateNum(args.BlockNumber).Call(args.From, args.To, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data) +} 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 { |