Ryan Ofsky a7cabf92e4 init refactor: Only initialize node.notifications one time ...

Instead of having the InitAndLoadChainstate function delete and create the
KernelNotifications object each time it is called (it can be called twice when
reindexing) to clear cached state, create it just one time and add a
setChainstateLoaded() method to manage state as it is loaded and unloaded.

This refactoring should make sense by itself to be more explicit about how
KernelNotifications state is cleared, but it's also needed to make outside code
accessing KernelNotifications state (currently just mining code) safe during
node startup and shutdown so the KernelNofications mutex can be used for
synchronization and does not get recreated itself.

2026-02-24 10:15:14 -05:00

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