87313887a4
This Commit contains the following: * Graceful shutdowns. * Handling all incoming SSE events for reorgs, finalizations, and head. The structure of the `BeaconClient` has drastically changed and generics are used.
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
/*
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Copyright © 2022 NAME HERE <EMAIL ADDRESS>
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*/
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package cmd
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import (
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"context"
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/vulcanize/ipld-ethcl-indexer/internal/boot"
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"github.com/vulcanize/ipld-ethcl-indexer/internal/shutdown"
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"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
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)
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// headCmd represents the head command
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var headCmd = &cobra.Command{
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Use: "head",
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Short: "Capture only the blocks and state at head.",
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Long: `Capture only the blocks and state at head.`,
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Run: func(cmd *cobra.Command, args []string) {
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startHeadTracking()
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},
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}
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// Start the application to track at head.
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func startHeadTracking() {
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// Boot the application
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log.Info("Starting the application in head tracking mode.")
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ctx := context.Background()
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BC, DB, err := boot.BootApplicationWithRetry(ctx, dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort)
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if err != nil {
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loghelper.LogError(err).Error("Unable to Start application")
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}
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// Capture head blocks
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go BC.CaptureHead()
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// Shutdown when the time is right.
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wait := shutdown.ShutdownServices(ctx, time.Duration(maxWaitSecondsShutdown), DB, BC)
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<-wait
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}
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func init() {
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captureCmd.AddCommand(headCmd)
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// Here you will define your flags and configuration settings.
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// Cobra supports Persistent Flags which will work for this command
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// and all subcommands, e.g.:
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// headCmd.PersistentFlags().String("foo", "", "A help for foo")
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// Cobra supports local flags which will only run when this command
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// is called directly, e.g.:
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// headCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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