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191 lines
4.7 KiB
191 lines
4.7 KiB
package rpctest
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"time"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/libs/log"
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cfg "github.com/tendermint/tendermint/config"
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tmnet "github.com/tendermint/tendermint/libs/net"
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nm "github.com/tendermint/tendermint/node"
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"github.com/tendermint/tendermint/p2p"
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"github.com/tendermint/tendermint/privval"
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"github.com/tendermint/tendermint/proxy"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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core_grpc "github.com/tendermint/tendermint/rpc/grpc"
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rpcclient "github.com/tendermint/tendermint/rpc/jsonrpc/client"
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)
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// Options helps with specifying some parameters for our RPC testing for greater
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// control.
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type Options struct {
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suppressStdout bool
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recreateConfig bool
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}
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var globalConfig *cfg.Config
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var defaultOptions = Options{
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suppressStdout: false,
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recreateConfig: false,
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}
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func waitForRPC() {
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laddr := GetConfig().RPC.ListenAddress
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client, err := rpcclient.New(laddr)
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if err != nil {
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panic(err)
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}
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result := new(ctypes.ResultStatus)
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for {
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_, err := client.Call(context.Background(), "status", map[string]interface{}{}, result)
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if err == nil {
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return
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}
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fmt.Println("error", err)
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time.Sleep(time.Millisecond)
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}
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}
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func waitForGRPC() {
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client := GetGRPCClient()
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for {
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_, err := client.Ping(context.Background(), &core_grpc.RequestPing{})
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if err == nil {
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return
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}
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}
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}
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// f**ing long, but unique for each test
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func makePathname() string {
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// get path
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p, err := os.Getwd()
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if err != nil {
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panic(err)
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}
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// fmt.Println(p)
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sep := string(filepath.Separator)
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return strings.Replace(p, sep, "_", -1)
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}
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func randPort() int {
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port, err := tmnet.GetFreePort()
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if err != nil {
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panic(err)
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}
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return port
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}
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func makeAddrs() (string, string, string) {
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return fmt.Sprintf("tcp://127.0.0.1:%d", randPort()),
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fmt.Sprintf("tcp://127.0.0.1:%d", randPort()),
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fmt.Sprintf("tcp://127.0.0.1:%d", randPort())
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}
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func createConfig() *cfg.Config {
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pathname := makePathname()
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c := cfg.ResetTestRoot(pathname)
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// and we use random ports to run in parallel
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tm, rpc, grpc := makeAddrs()
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c.P2P.ListenAddress = tm
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c.RPC.ListenAddress = rpc
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c.RPC.CORSAllowedOrigins = []string{"https://tendermint.com/"}
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c.RPC.GRPCListenAddress = grpc
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return c
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}
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// GetConfig returns a config for the test cases as a singleton
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func GetConfig(forceCreate ...bool) *cfg.Config {
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if globalConfig == nil || (len(forceCreate) > 0 && forceCreate[0]) {
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globalConfig = createConfig()
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}
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return globalConfig
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}
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func GetGRPCClient() core_grpc.BroadcastAPIClient {
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grpcAddr := globalConfig.RPC.GRPCListenAddress
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return core_grpc.StartGRPCClient(grpcAddr)
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}
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// StartTendermint starts a test tendermint server in a go routine and returns when it is initialized
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func StartTendermint(app abci.Application, opts ...func(*Options)) *nm.Node {
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nodeOpts := defaultOptions
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for _, opt := range opts {
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opt(&nodeOpts)
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}
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node := NewTendermint(app, &nodeOpts)
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err := node.Start()
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if err != nil {
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panic(err)
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}
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// wait for rpc
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waitForRPC()
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waitForGRPC()
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if !nodeOpts.suppressStdout {
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fmt.Println("Tendermint running!")
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}
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return node
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}
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// StopTendermint stops a test tendermint server, waits until it's stopped and
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// cleans up test/config files.
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func StopTendermint(node *nm.Node) {
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if err := node.Stop(); err != nil {
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node.Logger.Error("Error when tryint to stop node", "err", err)
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}
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node.Wait()
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os.RemoveAll(node.Config().RootDir)
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}
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// NewTendermint creates a new tendermint server and sleeps forever
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func NewTendermint(app abci.Application, opts *Options) *nm.Node {
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// Create & start node
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config := GetConfig(opts.recreateConfig)
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var logger log.Logger
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if opts.suppressStdout {
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logger = log.NewNopLogger()
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} else {
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logger = log.NewTMLogger(log.NewSyncWriter(os.Stdout))
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logger = log.NewFilter(logger, log.AllowError())
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}
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pvKeyFile := config.PrivValidatorKeyFile()
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pvKeyStateFile := config.PrivValidatorStateFile()
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pv := privval.LoadOrGenFilePV(pvKeyFile, pvKeyStateFile)
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papp := proxy.NewLocalClientCreator(app)
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nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile())
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if err != nil {
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panic(err)
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}
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node, err := nm.NewNode(config, pv, nodeKey, papp,
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nm.DefaultGenesisDocProviderFunc(config),
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nm.DefaultDBProvider,
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nm.DefaultMetricsProvider(config.Instrumentation),
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logger)
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if err != nil {
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panic(err)
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}
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return node
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}
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// SuppressStdout is an option that tries to make sure the RPC test Tendermint
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// node doesn't log anything to stdout.
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func SuppressStdout(o *Options) {
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o.suppressStdout = true
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}
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// RecreateConfig instructs the RPC test to recreate the configuration each
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// time, instead of treating it as a global singleton.
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func RecreateConfig(o *Options) {
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o.recreateConfig = true
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}
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