plugeth/rpc/jeth.go

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package rpc
import (
"encoding/json"
// "fmt"
"github.com/ethereum/go-ethereum/jsre"
"github.com/robertkrimen/otto"
)
type Jeth struct {
ethApi *EthereumApi
toVal func(interface{}) otto.Value
re *jsre.JSRE
}
func NewJeth(ethApi *EthereumApi, toVal func(interface{}) otto.Value, re *jsre.JSRE) *Jeth {
return &Jeth{ethApi, toVal, re}
}
func (self *Jeth) err(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(`
ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, error: ret_error };
`)
return
}
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)
}
self.re.Set("ret_jsonrpc", jsonrpcver)
self.re.Set("ret_id", req.Id)
self.re.Set("ret_result", respif)
response, err = self.re.Run(`
ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, result: ret_result };
`)
return
}