package shutdowncheck

import "github.com/ethereum/go-ethereum/internal/shutdowncheck"

Index ¶

• type ShutdownTracker
• func NewShutdownTracker(db ethdb.Database) *ShutdownTracker
• func (t *ShutdownTracker) MarkStartup()
• func (t *ShutdownTracker) Start()
• func (t *ShutdownTracker) Stop()

Types ¶

type ShutdownTracker ¶

type ShutdownTracker struct {
	// contains filtered or unexported fields
}

ShutdownTracker is a service that reports previous unclean shutdowns upon start. It needs to be started after a successful start-up and stopped after a successful shutdown, just before the db is closed.

func NewShutdownTracker ¶

func NewShutdownTracker(db ethdb.Database) *ShutdownTracker

NewShutdownTracker creates a new ShutdownTracker instance and has no other side-effect.

func (*ShutdownTracker) MarkStartup ¶

func (t *ShutdownTracker) MarkStartup()

MarkStartup is to be called in the beginning when the node starts. It will: - Push a new startup marker to the db - Report previous unclean shutdowns

func (*ShutdownTracker) Start ¶

func (t *ShutdownTracker) Start()

Start runs an event loop that updates the current marker's timestamp every 5 minutes.

func (*ShutdownTracker) Stop ¶

func (t *ShutdownTracker) Stop()

Stop will stop the update loop and clear the current marker.

Source Files ¶

shutdown_tracker.go