laconicd/server/util.go

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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"
"github.com/tharsis/ethermint/app"
)
// 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, app.DefaultNodeHome),
version.NewVersionCommand(),
)
}
func ConnectTmWS(tmRPCAddr, tmEndpoint string, logger tmlog.Logger) *rpcclient.WSClient {
tmWsClient, err := rpcclient.NewWS(tmRPCAddr, tmEndpoint,
rpcclient.MaxReconnectAttempts(256),
rpcclient.ReadWait(120*time.Second),
rpcclient.WriteWait(120*time.Second),
rpcclient.PingPeriod(50*time.Second),
rpcclient.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.OnStart(); 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
}
})
}
}