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