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/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
package rpc
import (
"encoding/json"
"io"
"net/http"
)
type jsonWrapper struct{}
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 {
// Spec at https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC
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":
args, err := req.ToGetCodeAtArgs()
if err != nil {
return err
}
return xeth.GetCodeAt(args, reply)
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
|
