Reuse unused change addresses #4460
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Overview
Add address reuse for change addresses that were requested but not used in transactions. The wallet keeps a record of addresses in a new
UNUSED_CHANGE_ADDRESSEStable and fetches from it before requesting new ones from the Bitcoin node.Changes
UNUSED_CHANGE_ADDRESSEStable.get_change_address()to fetch addresses from the table or fall back to the Bitcoin node.Related issues