package core_grpc import ( "fmt" "net" "strings" "time" "google.golang.org/grpc" cmn "github.com/tendermint/tmlibs/common" ) // Start the grpcServer in a go routine func StartGRPCServer(protoAddr string) (net.Listener, error) { parts := strings.SplitN(protoAddr, "://", 2) if len(parts) != 2 { return nil, fmt.Errorf("Invalid listen address for grpc server (did you forget a tcp:// prefix?) : %s", protoAddr) } proto, addr := parts[0], parts[1] ln, err := net.Listen(proto, addr) if err != nil { return nil, err } grpcServer := grpc.NewServer() RegisterBroadcastAPIServer(grpcServer, &broadcastAPI{}) go grpcServer.Serve(ln) return ln, nil } // Start the client by dialing the server func StartGRPCClient(protoAddr string) BroadcastAPIClient { conn, err := grpc.Dial(protoAddr, grpc.WithInsecure(), grpc.WithDialer(dialerFunc)) if err != nil { panic(err) } return NewBroadcastAPIClient(conn) } func dialerFunc(addr string, timeout time.Duration) (net.Conn, error) { return cmn.Connect(addr) }