refactor(ckbtc): Generic events #7991
Draft
+489
−335
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Refactor the ckBTC event log to be generic over the type of events stored, so that the ckDOGE minter, that reuses code from the ckBTC minter can have dedicated events. Quite a few ckBTC events are only there for backwards-compatibility reasons or are not relevant for the ckDOGE minter (e.g. events related to checking whether UTXOs or addresses are tainted).
This PR is pure refactoring and does not change the behaviour of the ckBTC or ckDOGE minter. It only allows to have 2 implementations, which are currently identical, on how to record and replay events.