ipld-eth-beacon-indexer/cmd/head.go
Abdul Rabbani 4994f1fa94 Capture the head block in the DB entirely. (#27)
* -- Intermediary Commit --

Just want to commit my code over the weekend, in case I spill coffee on my workstation.

* Create DB models ready for write.

* Handle SSE events

* Update ref for stack-orchestrator

* Use env in one place only.

* Boot Application on PR

* Update syntax

* Update syntax

* Correct command

* Use bash instead of sh

* Use until instead of while

* Make linter happy and check sse subscription err

* Handle Reorgs - Untested
2022-05-13 08:55:00 -04:00

66 lines
1.8 KiB
Go

/*
Copyright © 2022 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"context"
"os"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/vulcanize/ipld-ethcl-indexer/internal/boot"
"github.com/vulcanize/ipld-ethcl-indexer/internal/shutdown"
"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
)
// headCmd represents the head command
var headCmd = &cobra.Command{
Use: "head",
Short: "Capture only the blocks and state at head.",
Long: `Capture only the blocks and state at head.`,
Run: func(cmd *cobra.Command, args []string) {
startHeadTracking()
},
}
// Start the application to track at head.
func startHeadTracking() {
// Boot the application
log.Info("Starting the application in head tracking mode.")
ctx := context.Background()
BC, DB, err := boot.BootApplicationWithRetry(ctx, dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol)
if err != nil {
loghelper.LogError(err).Error("Unable to Start application")
}
// Capture head blocks
go BC.CaptureHead()
// Shutdown when the time is right.
notifierCh := make(chan os.Signal, 1)
err = shutdown.ShutdownServices(ctx, notifierCh, maxWaitSecondsShutdown, DB, BC)
if err != nil {
loghelper.LogError(err).Error("Ungracefully Shutdown ipld-ethcl-indexer!")
} else {
log.Info("Gracefully shutdown ipld-ethcl-indexer")
}
}
func init() {
captureCmd.AddCommand(headCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// headCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// headCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}