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Algorand Specifications

The following pseudocode describes how a node running in Follower Node mode is gracefully shutdown.

The shutdown procedure ensures that all services are stopped and resources are properly deallocated. This prevents data corruption and ensures the node stops in a stable and predictable state.

Algorithm4: Follower Node Shutdown

1: function FollowerNode.Stop()
2: Network Cleanup
3: node.Network.StopHandlers()
4: if ¬node.nodeConfig.StopNetwork then
5: node.Network.Stop()
6: endif
7: Service Shutdown
8: if ∃node.CatchpointCatchupService then
9: node.CatchpointCatchupService.Stop()
10: else
11: Follower Services Only
12: node.CatchupService.Stop()
13: node.BlockService.Stop()
14: endif
15: Resource Cleanup
16: node.Catchup.BlockAuthenticator.Stop()
17: node.CryptoPool.lowPriority.Stop()
18: node.CryptoPool.Stop()
19: end function

Important
IMPLEMENTATION:
Follower node shutdown reference implementation.