garbage collect zero-value UTXOs #1832
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Pull Request Test Coverage Report for Build 18227816695Details
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- Add database query to fetch managed UTXOs containing only zero-value assets (tombstones/burns) - Implement ZeroValueInput interface for accessing UTXO details - Modify PSBT creation to include zero-value inputs with proper BIP32 derivation - Update integration test to verify sweeping functionality - Add sweeping logic to automatically include tombstone inputs in new on-chain transactions Note: LND limitation prevents imported Taproot keys from being signed, so sweeping requires LND changes to fully work.
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Add the missing integration test for zero-value UTXO sweeping functionality.
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Garbage collect the residue zero-value UTXOs when creating transactions. Zero-value UTXOs can occur when creating tombstones or full burns.
Currently, these UTXOs accumulate in the DB and are never cleaned. This PR introduces a garbage collection mechanism in an opportunistic way to collect these UTXOs and use them as inputs of any transaction initiated by
tapd:The mechanism is to select all zero-value UTXOs up to a certain quantity (too avoid exceeding the tx max size).