ba616b932c wallet: Add GetPrefixCursor to DatabaseBatch (Andrew Chow)
1d858b055d walletdb: Handle when database keys are empty (Ryan Ofsky)
84b2f353bb walletdb: Consistently clear key and value streams before writing (Andrew Chow)
Pull request description:
Split from #24914 as suggested in https://github.com/bitcoin/bitcoin/pull/24914#pullrequestreview-1442091917
This PR adds a wallet database cursor that gives a view over all of the records beginning with the same prefix.
ACKs for top commit:
ryanofsky:
Code review ACK ba616b932c. Just suggested changes since last review
furszy:
ACK ba616b93
Tree-SHA512: 38a61849f108d8003d28c599b1ad0421ac9beb3afe14c02f1253e7b4efc3d4eef483e32647a820fc6636bca3f9efeff9fe062b6b602e0cded69f21f8b26af544