package main import ( "context" "fmt" "net/http" "os" "os/signal" "syscall" "github.com/tendermint/tendermint/libs/log" rpcserver "github.com/tendermint/tendermint/rpc/jsonrpc/server" ) var routes = map[string]*rpcserver.RPCFunc{ "hello_world": rpcserver.NewRPCFunc(HelloWorld, "name", "num"), } func HelloWorld(ctx context.Context, name string, num int) (Result, error) { return Result{fmt.Sprintf("hi %s %d", name, num)}, nil } type Result struct { Result string } func main() { var ( mux = http.NewServeMux() logger = log.MustNewDefaultLogger(log.LogFormatPlain, log.LogLevelInfo) ) ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM) defer cancel() rpcserver.RegisterRPCFuncs(mux, routes, logger) config := rpcserver.DefaultConfig() listener, err := rpcserver.Listen("tcp://127.0.0.1:8008", config.MaxOpenConnections) if err != nil { logger.Error("rpc listening", "err", err) os.Exit(1) } if err = rpcserver.Serve(ctx, listener, mux, logger, config); err != nil { logger.Error("rpc serve", "err", err) os.Exit(1) } }