package rpctest import ( "context" "fmt" "os" "path/filepath" "strings" "time" "github.com/tendermint/tendermint/libs/log" abci "github.com/tendermint/tendermint/abci/types" cmn "github.com/tendermint/tendermint/libs/common" cfg "github.com/tendermint/tendermint/config" nm "github.com/tendermint/tendermint/node" "github.com/tendermint/tendermint/p2p" "github.com/tendermint/tendermint/privval" "github.com/tendermint/tendermint/proxy" ctypes "github.com/tendermint/tendermint/rpc/core/types" core_grpc "github.com/tendermint/tendermint/rpc/grpc" rpcclient "github.com/tendermint/tendermint/rpc/lib/client" ) var globalConfig *cfg.Config func waitForRPC() { laddr := GetConfig().RPC.ListenAddress client := rpcclient.NewJSONRPCClient(laddr) ctypes.RegisterAmino(client.Codec()) result := new(ctypes.ResultStatus) for { _, err := client.Call("status", map[string]interface{}{}, result) if err == nil { return } else { fmt.Println("error", err) time.Sleep(time.Millisecond) } } } func waitForGRPC() { client := GetGRPCClient() for { _, err := client.Ping(context.Background(), &core_grpc.RequestPing{}) if err == nil { return } } } // 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 { return int(cmn.RandUint16()/2 + 10000) } 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 globalConfig == nil { pathname := makePathname() globalConfig = cfg.ResetTestRoot(pathname) // and we use random ports to run in parallel tm, rpc, grpc := makeAddrs() globalConfig.P2P.ListenAddress = tm globalConfig.RPC.ListenAddress = rpc globalConfig.RPC.GRPCListenAddress = grpc globalConfig.TxIndex.IndexTags = "app.creator,tx.height" // see kvstore application } return globalConfig } func GetGRPCClient() core_grpc.BroadcastAPIClient { grpcAddr := globalConfig.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) err := node.Start() if err != nil { panic(err) } // wait for rpc waitForRPC() waitForGRPC() 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()) pvFile := config.PrivValidatorFile() pv := privval.LoadOrGenFilePV(pvFile) papp := proxy.NewLocalClientCreator(app) nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile()) if err != nil { panic(err) } node, err := nm.NewNode(config, pv, nodeKey, papp, nm.DefaultGenesisDocProviderFunc(config), nm.DefaultDBProvider, nm.DefaultMetricsProvider(config.Instrumentation), logger) if err != nil { panic(err) } return node }