rpc

- camelcase fields dont play nice with otto value magic: JsonRpc -> Jsonrpc, ID -> Id
- jeth: ethereum.js rpc transport provider direct bridge between js and ethereumApi via otto jsre

rpc/http.go

@@ -26,7 +26,7 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
 
 		if req.ContentLength > maxSizeReqLength {
 			jsonerr := &RpcErrorObject{-32700, "Request too large"}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
 			return
 		}
 
@@ -36,11 +36,11 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
 			break
 		case *DecodeParamError, *InsufficientParamsError, *ValidationError:
 			jsonerr := &RpcErrorObject{-32602, reqerr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
 			return
 		default:
 			jsonerr := &RpcErrorObject{-32700, "Could not parse request"}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
 			return
 		}
 
@@ -51,19 +51,19 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
 			break
 		case *NotImplementedError:
 			jsonerr := &RpcErrorObject{-32601, reserr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
 			return
 		case *DecodeParamError, *InsufficientParamsError, *ValidationError:
 			jsonerr := &RpcErrorObject{-32602, reserr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
 			return
 		default:
 			jsonerr := &RpcErrorObject{-32603, reserr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
 			return
 		}
 
 		rpchttplogger.DebugDetailf("Generated response: %T %s", response, response)
-		json.Send(w, &RpcSuccessResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Result: response})
+		json.Send(w, &RpcSuccessResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Result: response})
 	})
 }

rpc/jeth.go

@@ -0,0 +1,43 @@
+package rpc
+
+import (
+	"encoding/json"
+	// "fmt"
+	"github.com/obscuren/otto"
+)
+
+type Jeth struct {
+	ethApi *EthereumApi
+	toVal  func(interface{}) otto.Value
+}
+
+func NewJeth(ethApi *EthereumApi, toVal func(interface{}) otto.Value) *Jeth {
+	return &Jeth{ethApi, toVal}
+}
+
+func (self *Jeth) err(code int, msg string, id interface{}) otto.Value {
+	rpcerr := &RpcErrorObject{code, msg}
+	rpcresponse := &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: rpcerr}
+	return self.toVal(rpcresponse)
+}
+
+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)
+	}
+
+	jsonreq, err := json.Marshal(reqif)
+
+	var req RpcRequest
+	err = json.Unmarshal(jsonreq, &req)
+
+	var respif interface{}
+	err = self.ethApi.GetRequestReply(&req, &respif)
+	if err != nil {
+		return self.err(-32603, err.Error(), req.Id)
+	}
+	rpcresponse := &RpcSuccessResponse{Jsonrpc: jsonrpcver, Id: req.Id, Result: respif}
+	response = self.toVal(rpcresponse)
+	return
+}

rpc/messages.go

@@ -83,21 +83,21 @@ func NewValidationError(param string, msg string) error {
 }
 
 type RpcRequest struct {
-	ID      interface{}     `json:"id"`
-	JsonRpc string          `json:"jsonrpc"`
+	Id      interface{}     `json:"id"`
+	Jsonrpc string          `json:"jsonrpc"`
 	Method  string          `json:"method"`
 	Params  json.RawMessage `json:"params"`
 }
 
 type RpcSuccessResponse struct {
-	ID      interface{} `json:"id"`
-	JsonRpc string      `json:"jsonrpc"`
+	Id      interface{} `json:"id"`
+	Jsonrpc string      `json:"jsonrpc"`
 	Result  interface{} `json:"result"`
 }
 
 type RpcErrorResponse struct {
-	ID      interface{}     `json:"id"`
-	JsonRpc string          `json:"jsonrpc"`
+	Id      interface{}     `json:"id"`
+	Jsonrpc string          `json:"jsonrpc"`
 	Error   *RpcErrorObject `json:"error"`
 }