Issue Details

Number

29435

Title

wallet: Unrelated conflicted parent txs do not cause child txs to be marked as conflicted

Description

### Is there an existing issue for this? - [X] I have searched the existing issues ### Current behaviour If we receive a transaction which spends from an unconfirmed parent, and that parent is replaced, the child does not get marked as conflicted but rather only as inactive. If the child contains an input from our wallet, that input cannot be reused until the child is abandoned. See also https://github.com/ACINQ/eclair/pull/2818 ### Expected behaviour We should try to detect if a such a child transaction becomes conflicted due to a parent becoming conflicted and mark it as such. ### Steps to reproduce A (failing) test for this behavior can be found at https://github.com/achow101/bitcoin/commit/213fa91d5c289204e3f1e01194b1fccd08a69c6c ### Relevant log output _No response_ ### How did you obtain Bitcoin Core Compiled from source ### What version of Bitcoin Core are you using? master@128b4a80387d322a7810d8716eccdac95ff9b8cd ### Operating system and version Arch ### Machine specifications _No response_

URL

https://github.com/bitcoin/bitcoin/issue/29435

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Notes

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Kill Factor (1-10)

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