From 32bed50ba107ff69ff489e4df6f935fd404a5caa Mon Sep 17 00:00:00 2001 From: Taylor Gerring Date: Mon, 12 Jan 2015 23:25:29 -0600 Subject: begin conversion to rpc over http Per specification at https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC --- rpc/json.go | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) (limited to 'rpc/json.go') diff --git a/rpc/json.go b/rpc/json.go index e467f9a34..85b198d12 100644 --- a/rpc/json.go +++ b/rpc/json.go @@ -3,6 +3,7 @@ package rpc import ( "encoding/json" "io" + "net/http" ) type jsonWrapper struct{} @@ -11,10 +12,76 @@ func (self jsonWrapper) Send(writer io.Writer, v interface{}) (n int, err error) var payload []byte payload, err = json.Marshal(v) if err != nil { + jsonlogger.Fatalln("Error marshalling JSON", err) return 0, err } + jsonlogger.Infof("Sending payload: %s", payload) return writer.Write(payload) } +func (self jsonWrapper) ParseRequestBody(req *http.Request) (RpcRequest, error) { + var reqParsed RpcRequest + + // Convert JSON to native types + d := json.NewDecoder(req.Body) + // d.UseNumber() + defer req.Body.Close() + err := d.Decode(&reqParsed) + + if err != nil { + jsonlogger.Errorln("Error decoding JSON: ", err) + return reqParsed, err + } + jsonlogger.DebugDetailf("Parsed request: %s", reqParsed) + + return reqParsed, nil +} + +func (self jsonWrapper) GetRequestReply(xeth *EthereumApi, req *RpcRequest, reply *interface{}) error { + // call function for request method + jsonlogger.DebugDetailf("%T %s", req.Params, req.Params) + switch req.Method { + case "eth_coinbase": + return xeth.GetCoinbase(reply) + case "eth_listening": + return xeth.GetIsListening(reply) + case "eth_mining": + return xeth.GetIsMining(reply) + case "eth_peerCount": + return xeth.GetPeerCount(reply) + case "eth_countAt": + args, err := req.ToGetTxCountArgs() + if err != nil { + return err + } + return xeth.GetTxCountAt(args, reply) + // case "eth_codeAt": + // return nil + case "eth_balanceAt": + args, err := req.ToGetBalanceArgs() + if err != nil { + return err + } + return xeth.GetBalanceAt(args, reply) + case "eth_stateAt": + args, err := req.ToGetStorageArgs() + if err != nil { + return err + } + return xeth.GetStorageAt(args, reply) + case "eth_blockByNumber", "eth_blockByHash": + args, err := req.ToGetBlockArgs() + if err != nil { + return err + } + return xeth.GetBlock(args, reply) + default: + return NewErrorResponse(ErrorNotImplemented) + } + + jsonlogger.DebugDetailf("Reply: %T %s", reply, reply) + return nil +} + var JSON jsonWrapper -- cgit