129 lines
4.5 KiB
Go
129 lines
4.5 KiB
Go
// VulcanizeDB
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// Copyright © 2022 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"os"
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"os/signal"
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"sync"
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"github.com/ethereum/go-ethereum/rpc"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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leveldb_ethdb_rpc "github.com/cerc-io/leveldb-ethdb-rpc/pkg"
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srpc "github.com/cerc-io/leveldb-ethdb-rpc/pkg/rpc"
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"github.com/cerc-io/leveldb-ethdb-rpc/version"
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)
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var (
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subCommand string
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logWithCommand log.Entry
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)
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// serveCmd represents the serve command
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var serveCmd = &cobra.Command{
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Use: "serve",
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Short: "RPC Server for LevelDB eth.Database",
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Long: `This service exposes a remote RPC server interface for a local levelDB backed ethdb.Database`,
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Run: func(cmd *cobra.Command, args []string) {
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subCommand = cmd.CalledAs()
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logWithCommand = *log.WithField("SubCommand", subCommand)
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serve()
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},
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}
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func serve() {
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logWithCommand.Infof("running ipld-eth-server version: %s", version.VersionWithMeta)
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wg := new(sync.WaitGroup)
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logWithCommand.Debug("loading server configuration variables")
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serverConfig, err := leveldb_ethdb_rpc.NewConfig()
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if err != nil {
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logWithCommand.Fatal(err)
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}
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logWithCommand.Infof("server config: %+v", serverConfig)
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logWithCommand.Debug("initializing new server service")
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server, err := leveldb_ethdb_rpc.NewServer(serverConfig)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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logWithCommand.Info("starting up servers")
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server.Serve(wg)
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if err := startServers(server, serverConfig); err != nil {
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logWithCommand.Fatal(err)
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}
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shutdown := make(chan os.Signal, 1)
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signal.Notify(shutdown, os.Interrupt)
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<-shutdown
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server.Stop()
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wg.Wait()
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}
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func startServers(server leveldb_ethdb_rpc.Server, settings *leveldb_ethdb_rpc.Config) error {
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if settings.IPCEnabled {
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logWithCommand.Info("starting up IPC server")
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_, _, err := srpc.StartIPCEndpoint(settings.IPCEndpoint, server.APIs())
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if err != nil {
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return err
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}
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} else {
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logWithCommand.Info("IPC server is disabled")
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}
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if settings.HTTPEnabled {
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logWithCommand.Info("starting up HTTP server")
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_, err := srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"leveldb"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
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if err != nil {
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return err
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}
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} else {
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logWithCommand.Info("HTTP server is disabled")
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}
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return nil
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}
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func init() {
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rootCmd.AddCommand(serveCmd)
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// CLI flags
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serveCmd.PersistentFlags().Bool("ipc-enabled", false, "turn on ipc server")
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serveCmd.PersistentFlags().String("ipc-path", "", "ipc server endpoint")
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serveCmd.PersistentFlags().Bool("http-enabled", true, "turn on http server; on by default")
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serveCmd.PersistentFlags().String("http-path", "127.0.0.1:8500", "http server endpoint; default = 127.0.0.1:8545")
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serveCmd.PersistentFlags().String("leveldb-path", "", "leveldb filesystem path")
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serveCmd.PersistentFlags().Int("leveldb-cache-size", 0, "leveldb cache size")
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serveCmd.PersistentFlags().String("leveldb-ancient-path", "", "filesystem path to freezer")
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serveCmd.PersistentFlags().String("leveldb-namespace", "eth/db/chaindata/", "leveldb namespace")
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// toml bindings
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_IPC_ENABLED, serveCmd.PersistentFlags().Lookup("ipc-enabled"))
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_IPC_ENDPOINT, serveCmd.PersistentFlags().Lookup("ipc-path"))
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_HTTP_ENABLED, serveCmd.PersistentFlags().Lookup("http-enabled"))
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_HTTP_ENDPOINT, serveCmd.PersistentFlags().Lookup("http-path"))
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_LEVELDB_PATH, serveCmd.PersistentFlags().Lookup("leveldb-path"))
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_LEVELDB_CACHE_SIZE, serveCmd.PersistentFlags().Lookup("leveldb-cache-size"))
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_LEVELDB_ANCIENT_PATH, serveCmd.PersistentFlags().Lookup("leveldb-ancient-path"))
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viper.BindPFlag(leveldb_ethdb_rpc.TOML_LEVELDB_NAMESPACE, serveCmd.PersistentFlags().Lookup("leveldb-namespace"))
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}
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