package rpctest import ( "fmt" "math/rand" "os" "path/filepath" "strings" "github.com/tendermint/tmlibs/log" abci "github.com/tendermint/abci/types" cfg "github.com/tendermint/tendermint/config" nm "github.com/tendermint/tendermint/node" "github.com/tendermint/tendermint/proxy" core_grpc "github.com/tendermint/tendermint/rpc/grpc" "github.com/tendermint/tendermint/types" ) var config *cfg.Config // f**ing long, but unique for each test func makePathname() string { // get path p, err := os.Getwd() if err != nil { panic(err) } fmt.Println(p) sep := string(filepath.Separator) return strings.Replace(p, sep, "_", -1) } func randPort() int { // returns between base and base + spread base, spread := 20000, 20000 return base + rand.Intn(spread) } func makeAddrs() (string, string, string) { start := randPort() return fmt.Sprintf("tcp://0.0.0.0:%d", start), fmt.Sprintf("tcp://0.0.0.0:%d", start+1), fmt.Sprintf("tcp://0.0.0.0:%d", start+2) } // GetConfig returns a config for the test cases as a singleton func GetConfig() *cfg.Config { if config == nil { pathname := makePathname() config = cfg.ResetTestRoot(pathname) // and we use random ports to run in parallel tm, rpc, grpc := makeAddrs() config.P2P.ListenAddress = tm config.RPC.ListenAddress = rpc config.RPC.GRPCListenAddress = grpc } return config } func GetGRPCClient() core_grpc.BroadcastAPIClient { grpcAddr := config.RPC.GRPCListenAddress return core_grpc.StartGRPCClient(grpcAddr) } // StartTendermint starts a test tendermint server in a go routine and returns when it is initialized func StartTendermint(app abci.Application) *nm.Node { node := NewTendermint(app) node.Start() fmt.Println("Tendermint running!") return node } // NewTendermint creates a new tendermint server and sleeps forever func NewTendermint(app abci.Application) *nm.Node { // Create & start node config := GetConfig() logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout)) logger = log.NewFilter(logger, log.AllowError()) privValidatorFile := config.PrivValidatorFile() privValidator := types.LoadOrGenPrivValidator(privValidatorFile, logger) papp := proxy.NewLocalClientCreator(app) node := nm.NewNode(config, privValidator, papp, logger) return node }