forked from cerc-io/ipld-eth-server
123 lines
4.4 KiB
Go
123 lines
4.4 KiB
Go
// Copyright © 2020 Vulcanize, Inc
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//
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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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//
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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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//
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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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s "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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"github.com/vulcanize/ipfs-blockchain-watcher/pkg/eth"
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"github.com/vulcanize/ipld-eth-server/pkg/serve"
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v "github.com/vulcanize/ipld-eth-server/version"
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)
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// watchCmd represents the watch command
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var watchCmd = &cobra.Command{
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Use: "watch",
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Short: "serve chain data from PG-IPFS",
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Long: `This command configures a VulcanizeDB ipld-eth-server.
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`,
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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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watch()
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},
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}
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func watch() {
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logWithCommand.Infof("running ipld-eth-server version: %s", v.VersionWithMeta)
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var forwardPayloadChan chan eth.ConvertedPayload
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wg := new(s.WaitGroup)
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logWithCommand.Debug("loading watcher configuration variables")
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watcherConfig, err := serve.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("watcher config: %+v", watcherConfig)
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logWithCommand.Debug("initializing new watcher service")
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s, err := serve.NewServer(watcherConfig)
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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 watcher servers")
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forwardPayloadChan = make(chan eth.ConvertedPayload, serve.PayloadChanBufferSize)
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s.Serve(wg, forwardPayloadChan)
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if err := startServers(s, watcherConfig); err != nil {
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logWithCommand.Fatal(err)
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}
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shutdown := make(chan os.Signal)
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signal.Notify(shutdown, os.Interrupt)
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<-shutdown
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s.Stop()
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wg.Wait()
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}
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func startServers(watcher serve.Server, settings *serve.Config) error {
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logWithCommand.Debug("starting up IPC server")
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_, _, err := rpc.StartIPCEndpoint(settings.IPCEndpoint, watcher.APIs())
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if err != nil {
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return err
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}
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logWithCommand.Debug("starting up WS server")
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_, _, err = rpc.StartWSEndpoint(settings.WSEndpoint, watcher.APIs(), []string{"vdb"}, nil, true)
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if err != nil {
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return err
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}
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logWithCommand.Debug("starting up HTTP server")
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_, _, err = rpc.StartHTTPEndpoint(settings.HTTPEndpoint, watcher.APIs(), []string{"eth"}, nil, nil, rpc.HTTPTimeouts{})
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return err
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}
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func init() {
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rootCmd.AddCommand(watchCmd)
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// flags for all config variables
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watchCmd.PersistentFlags().String("watcher-ws-path", "", "vdb server ws path")
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watchCmd.PersistentFlags().String("watcher-http-path", "", "vdb server http path")
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watchCmd.PersistentFlags().String("watcher-ipc-path", "", "vdb server ipc path")
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watchCmd.PersistentFlags().String("eth-ws-path", "", "ws url for ethereum node")
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watchCmd.PersistentFlags().String("eth-http-path", "", "http url for ethereum node")
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watchCmd.PersistentFlags().String("eth-node-id", "", "eth node id")
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watchCmd.PersistentFlags().String("eth-client-name", "", "eth client name")
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watchCmd.PersistentFlags().String("eth-genesis-block", "", "eth genesis block hash")
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watchCmd.PersistentFlags().String("eth-network-id", "", "eth network id")
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// and their bindings
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viper.BindPFlag("watcher.wsPath", watchCmd.PersistentFlags().Lookup("watcher-ws-path"))
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viper.BindPFlag("watcher.httpPath", watchCmd.PersistentFlags().Lookup("watcher-http-path"))
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viper.BindPFlag("watcher.ipcPath", watchCmd.PersistentFlags().Lookup("watcher-ipc-path"))
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viper.BindPFlag("ethereum.wsPath", watchCmd.PersistentFlags().Lookup("eth-ws-path"))
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viper.BindPFlag("ethereum.httpPath", watchCmd.PersistentFlags().Lookup("eth-http-path"))
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viper.BindPFlag("ethereum.nodeID", watchCmd.PersistentFlags().Lookup("eth-node-id"))
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viper.BindPFlag("ethereum.clientName", watchCmd.PersistentFlags().Lookup("eth-client-name"))
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viper.BindPFlag("ethereum.genesisBlock", watchCmd.PersistentFlags().Lookup("eth-genesis-block"))
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viper.BindPFlag("ethereum.networkID", watchCmd.PersistentFlags().Lookup("eth-network-id"))
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}
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