shutdowncheck

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Published: Jun 28, 2023 License: GPL-3.0 Imports: 5 Imported by: 0

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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.

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