- Ancestor(s)
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One or more "parent" transactions which must be confirmed before the current transaction.
The ancestor transaction(s) create outputs which are depended on by the current transaction. - Descendant(s)
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One or more "child" transactions which must be confirmed after the current transaction.
The descendant transaction(s) depend on outputs from the current transaction. - Orphan
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A transaction with missing ancestors.
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Tip
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When ancestor and descendant are encountered in the codebase, they refer specifically to other in-mempool transactions. |
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Tip
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Ancestors and descendants can be confirmed in the same block but they must be in the correct order within the list of transactions for the block to be valid.
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