plugeth/rpc/http.go
2015-03-09 23:08:46 +01:00

43 lines
1.2 KiB
Go

package rpc
import (
"net/http"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/xeth"
)
var rpchttplogger = logger.NewLogger("RPC-HTTP")
// JSONRPC returns a handler that implements the Ethereum JSON-RPC API.
func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
var json JsonWrapper
const jsonrpcver = "2.0"
api := NewEthereumApi(pipe, dataDir)
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
rpchttplogger.DebugDetailln("Handling request")
reqParsed, reqerr := json.ParseRequestBody(req)
if reqerr != nil {
jsonerr := &RpcErrorObject{-32700, "Error: Could not parse request"}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
return
}
var response interface{}
reserr := api.GetRequestReply(&reqParsed, &response)
if reserr != nil {
rpchttplogger.Warnln(reserr)
jsonerr := &RpcErrorObject{-32603, reserr.Error()}
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})
})
}