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123 lines
3.0 KiB
123 lines
3.0 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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"time"
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abciclient "github.com/tendermint/tendermint/abci/client"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/libs/log"
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tmnet "github.com/tendermint/tendermint/libs/net"
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"github.com/tendermint/tendermint/libs/service"
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"github.com/tendermint/tendermint/node"
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"github.com/tendermint/tendermint/rpc/coretypes"
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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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}
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// waitForRPC connects to the RPC service and blocks until a /status call succeeds.
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func waitForRPC(ctx context.Context, conf *config.Config) {
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laddr := conf.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(coretypes.ResultStatus)
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for {
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err := client.Call(ctx, "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 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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// makeAddrs constructs local listener addresses for node services. This
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// implementation uses random ports so test instances can run concurrently.
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func makeAddrs() (p2pAddr, rpcAddr string) {
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const addrTemplate = "tcp://127.0.0.1:%d"
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return fmt.Sprintf(addrTemplate, randPort()), fmt.Sprintf(addrTemplate, randPort())
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}
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func CreateConfig(testName string) (*config.Config, error) {
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c, err := config.ResetTestRoot(testName)
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if err != nil {
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return nil, err
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}
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p2pAddr, rpcAddr := makeAddrs()
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c.P2P.ListenAddress = p2pAddr
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c.RPC.ListenAddress = rpcAddr
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c.Consensus.WalPath = "rpc-test"
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c.RPC.CORSAllowedOrigins = []string{"https://tendermint.com/"}
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return c, nil
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}
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type ServiceCloser func(context.Context) error
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func StartTendermint(
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ctx context.Context,
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conf *config.Config,
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app abci.Application,
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opts ...func(*Options),
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) (service.Service, ServiceCloser, error) {
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ctx, cancel := context.WithCancel(ctx)
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nodeOpts := &Options{}
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for _, opt := range opts {
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opt(nodeOpts)
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}
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var logger log.Logger
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if nodeOpts.suppressStdout {
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logger = log.NewNopLogger()
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} else {
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logger = log.MustNewDefaultLogger(log.LogFormatPlain, log.LogLevelInfo)
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}
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papp := abciclient.NewLocalCreator(app)
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tmNode, err := node.New(ctx, conf, logger, papp, nil)
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if err != nil {
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return nil, func(_ context.Context) error { cancel(); return nil }, err
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}
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err = tmNode.Start(ctx)
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if err != nil {
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return nil, func(_ context.Context) error { cancel(); return nil }, err
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}
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waitForRPC(ctx, conf)
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if !nodeOpts.suppressStdout {
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fmt.Println("Tendermint running!")
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}
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return tmNode, func(ctx context.Context) error {
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cancel()
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tmNode.Wait()
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os.RemoveAll(conf.RootDir)
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return nil
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}, nil
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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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