forked from cerc-io/plugeth
32bed50ba1
Per specification at https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC
88 lines
2.0 KiB
Go
88 lines
2.0 KiB
Go
package rpc
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import (
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"encoding/json"
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"io"
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"net/http"
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)
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type jsonWrapper struct{}
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func (self jsonWrapper) Send(writer io.Writer, v interface{}) (n int, err error) {
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var payload []byte
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payload, err = json.Marshal(v)
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if err != nil {
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jsonlogger.Fatalln("Error marshalling JSON", err)
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return 0, err
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}
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jsonlogger.Infof("Sending payload: %s", payload)
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return writer.Write(payload)
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}
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func (self jsonWrapper) ParseRequestBody(req *http.Request) (RpcRequest, error) {
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var reqParsed RpcRequest
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// Convert JSON to native types
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d := json.NewDecoder(req.Body)
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// d.UseNumber()
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defer req.Body.Close()
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err := d.Decode(&reqParsed)
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if err != nil {
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jsonlogger.Errorln("Error decoding JSON: ", err)
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return reqParsed, err
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}
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jsonlogger.DebugDetailf("Parsed request: %s", reqParsed)
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return reqParsed, nil
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}
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func (self jsonWrapper) GetRequestReply(xeth *EthereumApi, req *RpcRequest, reply *interface{}) error {
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// call function for request method
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jsonlogger.DebugDetailf("%T %s", req.Params, req.Params)
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switch req.Method {
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case "eth_coinbase":
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return xeth.GetCoinbase(reply)
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case "eth_listening":
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return xeth.GetIsListening(reply)
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case "eth_mining":
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return xeth.GetIsMining(reply)
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case "eth_peerCount":
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return xeth.GetPeerCount(reply)
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case "eth_countAt":
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args, err := req.ToGetTxCountArgs()
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if err != nil {
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return err
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}
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return xeth.GetTxCountAt(args, reply)
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// case "eth_codeAt":
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// return nil
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case "eth_balanceAt":
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args, err := req.ToGetBalanceArgs()
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if err != nil {
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return err
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}
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return xeth.GetBalanceAt(args, reply)
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case "eth_stateAt":
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args, err := req.ToGetStorageArgs()
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if err != nil {
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return err
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}
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return xeth.GetStorageAt(args, reply)
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case "eth_blockByNumber", "eth_blockByHash":
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args, err := req.ToGetBlockArgs()
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if err != nil {
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return err
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}
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return xeth.GetBlock(args, reply)
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default:
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return NewErrorResponse(ErrorNotImplemented)
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}
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jsonlogger.DebugDetailf("Reply: %T %s", reply, reply)
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return nil
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}
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var JSON jsonWrapper
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