129 lines
3.9 KiB
Go
129 lines
3.9 KiB
Go
// Copyright 2021 Evmos Foundation
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// This file is part of Evmos' Ethermint library.
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//
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// The Ethermint library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The Ethermint library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
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package server
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import (
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"net/http"
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"time"
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"github.com/gorilla/mux"
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"github.com/rs/cors"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/server"
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"github.com/cosmos/cosmos-sdk/server/types"
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ethlog "github.com/ethereum/go-ethereum/log"
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ethrpc "github.com/ethereum/go-ethereum/rpc"
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"github.com/evmos/ethermint/rpc"
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"github.com/evmos/ethermint/server/config"
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ethermint "github.com/evmos/ethermint/types"
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)
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// StartJSONRPC starts the JSON-RPC server
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func StartJSONRPC(ctx *server.Context,
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clientCtx client.Context,
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tmRPCAddr,
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tmEndpoint string,
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config *config.Config,
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indexer ethermint.EVMTxIndexer,
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) (*http.Server, chan struct{}, error) {
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tmWsClient := ConnectTmWS(tmRPCAddr, tmEndpoint, ctx.Logger)
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logger := ctx.Logger.With("module", "geth")
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ethlog.Root().SetHandler(ethlog.FuncHandler(func(r *ethlog.Record) error {
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switch r.Lvl {
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case ethlog.LvlTrace, ethlog.LvlDebug:
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logger.Debug(r.Msg, r.Ctx...)
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case ethlog.LvlInfo, ethlog.LvlWarn:
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logger.Info(r.Msg, r.Ctx...)
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case ethlog.LvlError, ethlog.LvlCrit:
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logger.Error(r.Msg, r.Ctx...)
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}
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return nil
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}))
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rpcServer := ethrpc.NewServer()
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allowUnprotectedTxs := config.JSONRPC.AllowUnprotectedTxs
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rpcAPIArr := config.JSONRPC.API
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apis := rpc.GetRPCAPIs(ctx, clientCtx, tmWsClient, allowUnprotectedTxs, indexer, rpcAPIArr)
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for _, api := range apis {
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if err := rpcServer.RegisterName(api.Namespace, api.Service); err != nil {
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ctx.Logger.Error(
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"failed to register service in JSON RPC namespace",
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"namespace", api.Namespace,
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"service", api.Service,
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)
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return nil, nil, err
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}
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}
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r := mux.NewRouter()
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r.HandleFunc("/", rpcServer.ServeHTTP).Methods("POST")
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handlerWithCors := cors.Default()
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if config.API.EnableUnsafeCORS {
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handlerWithCors = cors.AllowAll()
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}
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httpSrv := &http.Server{
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Addr: config.JSONRPC.Address,
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Handler: handlerWithCors.Handler(r),
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ReadHeaderTimeout: config.JSONRPC.HTTPTimeout,
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ReadTimeout: config.JSONRPC.HTTPTimeout,
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WriteTimeout: config.JSONRPC.HTTPTimeout,
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IdleTimeout: config.JSONRPC.HTTPIdleTimeout,
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}
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httpSrvDone := make(chan struct{}, 1)
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ln, err := Listen(httpSrv.Addr, config)
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if err != nil {
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return nil, nil, err
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}
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errCh := make(chan error)
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go func() {
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ctx.Logger.Info("Starting JSON-RPC server", "address", config.JSONRPC.Address)
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if err := httpSrv.Serve(ln); err != nil {
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if err == http.ErrServerClosed {
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close(httpSrvDone)
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return
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}
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ctx.Logger.Error("failed to start JSON-RPC server", "error", err.Error())
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errCh <- err
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}
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}()
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select {
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case err := <-errCh:
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ctx.Logger.Error("failed to boot JSON-RPC server", "error", err.Error())
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return nil, nil, err
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case <-time.After(types.ServerStartTime): // assume JSON RPC server started successfully
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}
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ctx.Logger.Info("Starting JSON WebSocket server", "address", config.JSONRPC.WsAddress)
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// allocate separate WS connection to Tendermint
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tmWsClient = ConnectTmWS(tmRPCAddr, tmEndpoint, ctx.Logger)
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wsSrv := rpc.NewWebsocketsServer(clientCtx, ctx.Logger, tmWsClient, config)
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wsSrv.Start()
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return httpSrv, httpSrvDone, nil
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}
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