Merge pull request #771 from zsfelfoldi/develop

jsre: support for setTimeout, sendAsync 

1 files changed, 47 insertions, 22 deletions

diff --git a/rpc/jeth.go b/rpc/jeth.go
index e83212bb5..4739316b2 100644
--- a/rpc/jeth.go
+++ b/rpc/jeth.go
@@ -2,8 +2,7 @@ package rpc
 
 import (
 	"encoding/json"
-	"fmt"
-	// "fmt"
+
 	"github.com/ethereum/go-ethereum/jsre"
 	"github.com/robertkrimen/otto"
 )
@@ -18,12 +17,12 @@ func NewJeth(ethApi *EthereumApi, toVal func(interface{}) otto.Value, re *jsre.J
 	return &Jeth{ethApi, toVal, re}
 }
 
-func (self *Jeth) err(code int, msg string, id interface{}) (response otto.Value) {
+func (self *Jeth) err(call otto.FunctionCall, code int, msg string, id interface{}) (response otto.Value) {
 	rpcerr := &RpcErrorObject{code, msg}
-	self.re.Set("ret_jsonrpc", jsonrpcver)
-	self.re.Set("ret_id", id)
-	self.re.Set("ret_error", rpcerr)
-	response, _ = self.re.Run(`
+	call.Otto.Set("ret_jsonrpc", jsonrpcver)
+	call.Otto.Set("ret_id", id)
+	call.Otto.Set("ret_error", rpcerr)
+	response, _ = call.Otto.Run(`
 		ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, error: ret_error };
 	`)
 	return
@@ -32,27 +31,53 @@ func (self *Jeth) err(code int, msg string, id interface{}) (response otto.Value
 func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
 	reqif, err := call.Argument(0).Export()
 	if err != nil {
-		return self.err(-32700, err.Error(), nil)
+		return self.err(call, -32700, err.Error(), nil)
 	}
 
 	jsonreq, err := json.Marshal(reqif)
 
-	var req RpcRequest
-	err = json.Unmarshal(jsonreq, &req)
-
-	var respif interface{}
-	err = self.ethApi.GetRequestReply(&req, &respif)
+	var reqs []RpcRequest
+	batch := true
+	err = json.Unmarshal(jsonreq, &reqs)
 	if err != nil {
-		fmt.Printf("error: %s\n", err)
-		return self.err(-32603, err.Error(), req.Id)
+		reqs = make([]RpcRequest, 1)
+		err = json.Unmarshal(jsonreq, &reqs[0])
+		batch = false
+	}
+
+	call.Otto.Set("response_len", len(reqs))
+	call.Otto.Run("var ret_response = new Array(response_len);")
+
+	for i, req := range reqs {
+		var respif interface{}
+		err = self.ethApi.GetRequestReply(&req, &respif)
+		if err != nil {
+			return self.err(call, -32603, err.Error(), req.Id)
+		}
+		call.Otto.Set("ret_jsonrpc", jsonrpcver)
+		call.Otto.Set("ret_id", req.Id)
+
+		res, _ := json.Marshal(respif)
+
+		call.Otto.Set("ret_result", string(res))
+		call.Otto.Set("response_idx", i)
+		response, err = call.Otto.Run(`
+		ret_response[response_idx] = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) };
+		`)
+	}
+
+	if !batch {
+		call.Otto.Run("ret_response = ret_response[0];")
+	}
+
+	if call.Argument(1).IsObject() {
+		call.Otto.Set("callback", call.Argument(1))
+		call.Otto.Run(`
+	    if (Object.prototype.toString.call(callback) == '[object Function]') {
+			callback(null, ret_response);
+		}
+		`)
 	}
-	self.re.Set("ret_jsonrpc", jsonrpcver)
-	self.re.Set("ret_id", req.Id)
 
-	res, _ := json.Marshal(respif)
-	self.re.Set("ret_result", string(res))
-	response, err = self.re.Run(`
-		ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) };
-	`)
 	return
 }