205 lines
9.3 KiB
Go
205 lines
9.3 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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h "github.com/vulcanize/ipfs-blockchain-watcher/pkg/historical"
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"github.com/vulcanize/ipfs-blockchain-watcher/pkg/ipfs"
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"github.com/vulcanize/ipfs-blockchain-watcher/pkg/shared"
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w "github.com/vulcanize/ipfs-blockchain-watcher/pkg/watch"
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v "github.com/vulcanize/ipfs-blockchain-watcher/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: "sync chain data into PG-IPFS",
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Long: `This command configures a VulcanizeDB ipfs-blockchain-watcher.
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The Sync process streams all chain data from the appropriate chain, processes this data into IPLD objects
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and publishes them to IPFS. It then indexes the CIDs against useful data fields/metadata in Postgres.
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The Serve process creates and exposes a rpc subscription server over ws and ipc. Transformers can subscribe to
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these endpoints to stream
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The BackFill process spins up a background process which periodically probes the Postgres database to identify
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and fill in gaps in the data
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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 vdb version: %s", v.VersionWithMeta)
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var forwardPayloadChan chan shared.ConvertedData
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wg := new(s.WaitGroup)
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logWithCommand.Debug("loading watcher configuration variables")
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watcherConfig, err := w.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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if watcherConfig.IPFSMode == shared.LocalInterface {
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if err := ipfs.InitIPFSPlugins(); err != nil {
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logWithCommand.Fatal(err)
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}
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}
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logWithCommand.Debug("initializing new watcher service")
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watcher, err := w.NewWatcher(watcherConfig)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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if watcherConfig.Serve {
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logWithCommand.Info("starting up watcher servers")
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forwardPayloadChan = make(chan shared.ConvertedData, w.PayloadChanBufferSize)
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watcher.Serve(wg, forwardPayloadChan)
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if err := startServers(watcher, watcherConfig); err != nil {
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logWithCommand.Fatal(err)
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}
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}
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if watcherConfig.Sync {
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logWithCommand.Info("starting up watcher sync process")
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if err := watcher.Sync(wg, forwardPayloadChan); err != nil {
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logWithCommand.Fatal(err)
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}
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}
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var backFiller h.BackFillInterface
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if watcherConfig.Historical {
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historicalConfig, err := h.NewConfig()
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if err != nil {
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logWithCommand.Fatal(err)
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}
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logWithCommand.Debug("initializing new historical backfill service")
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backFiller, err = h.NewBackFillService(historicalConfig, forwardPayloadChan)
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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 backfill process")
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backFiller.BackFill(wg)
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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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if watcherConfig.Historical {
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backFiller.Stop()
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}
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watcher.Stop()
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wg.Wait()
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}
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func startServers(watcher w.Watcher, settings *w.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{settings.Chain.API()}, 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("ipfs-path", "", "ipfs repository path")
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watchCmd.PersistentFlags().String("watcher-chain", "", "which chain to support, options are currently Ethereum or Bitcoin.")
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watchCmd.PersistentFlags().Bool("watcher-server", false, "turn vdb server on or off")
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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().Bool("watcher-sync", false, "turn vdb sync on or off")
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watchCmd.PersistentFlags().Int("watcher-workers", 0, "how many worker goroutines to publish and index data")
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watchCmd.PersistentFlags().Bool("watcher-back-fill", false, "turn vdb backfill on or off")
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watchCmd.PersistentFlags().Int("watcher-frequency", 0, "how often (in seconds) the backfill process checks for gaps")
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watchCmd.PersistentFlags().Int("watcher-batch-size", 0, "data fetching batch size")
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watchCmd.PersistentFlags().Int("watcher-batch-number", 0, "how many goroutines to fetch data concurrently")
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watchCmd.PersistentFlags().Int("watcher-validation-level", 0, "backfill will resync any data below this level")
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watchCmd.PersistentFlags().Int("watcher-timeout", 0, "timeout used for backfill http requests")
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watchCmd.PersistentFlags().String("btc-ws-path", "", "ws url for bitcoin node")
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watchCmd.PersistentFlags().String("btc-http-path", "", "http url for bitcoin node")
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watchCmd.PersistentFlags().String("btc-password", "", "password for btc node")
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watchCmd.PersistentFlags().String("btc-username", "", "username for btc node")
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watchCmd.PersistentFlags().String("btc-node-id", "", "btc node id")
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watchCmd.PersistentFlags().String("btc-client-name", "", "btc client name")
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watchCmd.PersistentFlags().String("btc-genesis-block", "", "btc genesis block hash")
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watchCmd.PersistentFlags().String("btc-network-id", "", "btc network id")
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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("ipfs.path", watchCmd.PersistentFlags().Lookup("ipfs-path"))
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viper.BindPFlag("watcher.chain", watchCmd.PersistentFlags().Lookup("watcher-chain"))
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viper.BindPFlag("watcher.server", watchCmd.PersistentFlags().Lookup("watcher-server"))
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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("watcher.sync", watchCmd.PersistentFlags().Lookup("watcher-sync"))
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viper.BindPFlag("watcher.workers", watchCmd.PersistentFlags().Lookup("watcher-workers"))
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viper.BindPFlag("watcher.backFill", watchCmd.PersistentFlags().Lookup("watcher-back-fill"))
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viper.BindPFlag("watcher.frequency", watchCmd.PersistentFlags().Lookup("watcher-frequency"))
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viper.BindPFlag("watcher.batchSize", watchCmd.PersistentFlags().Lookup("watcher-batch-size"))
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viper.BindPFlag("watcher.batchNumber", watchCmd.PersistentFlags().Lookup("watcher-batch-number"))
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viper.BindPFlag("watcher.validationLevel", watchCmd.PersistentFlags().Lookup("watcher-validation-level"))
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viper.BindPFlag("watcher.timeout", watchCmd.PersistentFlags().Lookup("watcher-timeout"))
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viper.BindPFlag("bitcoin.wsPath", watchCmd.PersistentFlags().Lookup("btc-ws-path"))
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viper.BindPFlag("bitcoin.httpPath", watchCmd.PersistentFlags().Lookup("btc-http-path"))
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viper.BindPFlag("bitcoin.pass", watchCmd.PersistentFlags().Lookup("btc-password"))
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viper.BindPFlag("bitcoin.user", watchCmd.PersistentFlags().Lookup("btc-username"))
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viper.BindPFlag("bitcoin.nodeID", watchCmd.PersistentFlags().Lookup("btc-node-id"))
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viper.BindPFlag("bitcoin.clientName", watchCmd.PersistentFlags().Lookup("btc-client-name"))
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viper.BindPFlag("bitcoin.genesisBlock", watchCmd.PersistentFlags().Lookup("btc-genesis-block"))
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viper.BindPFlag("bitcoin.networkID", watchCmd.PersistentFlags().Lookup("btc-network-id"))
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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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