package server import ( "net/http" "time" "github.com/gorilla/mux" "github.com/improbable-eng/grpc-web/go/grpcweb" "github.com/spf13/cobra" sdkserver "github.com/cosmos/cosmos-sdk/server" "github.com/cosmos/cosmos-sdk/server/types" "github.com/cosmos/cosmos-sdk/version" tmlog "github.com/tendermint/tendermint/libs/log" rpcclient "github.com/tendermint/tendermint/rpc/jsonrpc/client" ) // add server commands func AddCommands(rootCmd *cobra.Command, defaultNodeHome string, appCreator types.AppCreator, appExport types.AppExporter, addStartFlags types.ModuleInitFlags) { tendermintCmd := &cobra.Command{ Use: "tendermint", Short: "Tendermint subcommands", } tendermintCmd.AddCommand( sdkserver.ShowNodeIDCmd(), sdkserver.ShowValidatorCmd(), sdkserver.ShowAddressCmd(), sdkserver.VersionCmd(), ) startCmd := StartCmd(appCreator, defaultNodeHome) addStartFlags(startCmd) rootCmd.AddCommand( startCmd, sdkserver.UnsafeResetAllCmd(), tendermintCmd, sdkserver.ExportCmd(appExport, defaultNodeHome), version.NewVersionCommand(), ) } func ConnectTmWS(tmRPCAddr, tmEndpoint string, logger tmlog.Logger) *rpcclient.WSClient { tmWsClient, err := rpcclient.NewWSWithOptions(tmRPCAddr, tmEndpoint, rpcclient.WSOptions{ MaxReconnectAttempts: 256, // first: 2 sec, last: 17 min. WriteWait: 120 * time.Second, ReadWait: 120 * time.Second, PingPeriod: 50 * time.Second, }) tmWsClient.OnReconnect(func() { logger.Debug("EVM RPC reconnects to Tendermint WS", "address", tmRPCAddr+tmEndpoint) }) if err != nil { logger.Error( "Tendermint WS client could not be created", "address", tmRPCAddr+tmEndpoint, "error", err, ) } else if err := tmWsClient.Start(); err != nil { logger.Error( "Tendermint WS client could not start", "address", tmRPCAddr+tmEndpoint, "error", err, ) } return tmWsClient } func MountGRPCWebServices( router *mux.Router, grpcWeb *grpcweb.WrappedGrpcServer, grpcResources []string, logger tmlog.Logger, ) { for _, res := range grpcResources { logger.Info("[GRPC Web] HTTP POST mounted", "resource", res) s := router.Methods("POST").Subrouter() s.HandleFunc(res, func(resp http.ResponseWriter, req *http.Request) { if grpcWeb.IsGrpcWebSocketRequest(req) { grpcWeb.HandleGrpcWebsocketRequest(resp, req) return } if grpcWeb.IsGrpcWebRequest(req) { grpcWeb.HandleGrpcWebRequest(resp, req) return } }) } }