Implement CPFP fee bumping for unconfirmed transactions #638
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Add `Child-Pays-For-Parent` functionality to allow users to accelerate pending unconfirmed transactions by creating higher-fee child spends. This provides an alternative to Replace-by-Fee bumping when direct transaction replacement is not available or desired. - Creates new transactions spending from unconfirmed UTXOs with increased fees - Specifically designed for accelerating stuck unconfirmed transactions - Miners consider combined fees of parent and child transactions - Maintains payment tracking and wallet state consistency - Includes integration tests covering various CPFP scenarios - Provides clear error handling for unsuitable or confirmed UTXOs The feature is accessible via `bump_fee_cpfp(payment_id)` method.
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Add
Child-Pays-For-Parentfunctionality to allow users to accelerate pending unconfirmed transactions by creating higher-fee child spends. This provides an alternative to Replace-by-Fee bumping when direct transaction replacement is not available or desired.The feature is accessible via
bump_fee_cpfp(payment_id)method.Fixes: #22