merge upstream

ethereum/javascript_runtime.go

@@ -144,7 +144,7 @@ func (self *JSRE) initStdFuncs() {
 	eth.Set("require", self.require)
 	eth.Set("stopMining", self.stopMining)
 	eth.Set("startMining", self.startMining)
-	eth.Set("blockDo", self.execBlock)
+	eth.Set("execBlock", self.execBlock)
 }
 
 /*
@@ -221,7 +221,7 @@ func (self *JSRE) execBlock(call otto.FunctionCall) otto.Value {
 		return otto.UndefinedValue()
 	}
 
-	err = self.ethereum.BlockDo(ethutil.FromHex(hash))
+	err = utils.BlockDo(self.ethereum, ethutil.FromHex(hash))
 	if err != nil {
 		fmt.Println(err)
 		return otto.FalseValue()