Don't back-date locktime during RBF and when spending unconfirmed UTXOs #8073
Description
The Electrum wallet, similar to the Bitcoin Core wallet, back-dates the locktime of 10% of it's transactions to up to 100 blocks in the past.
Lines 222 to 225 in b357391
I've just opened these two issues for the Bitcoin Core wallet. I think they are relevant here too.
- wallet: don't back-date locktime when replacing/fee bumping bitcoin/bitcoin#26526
- wallet: don't back-date locktime when spending unconfirmed UTXOs bitcoin/bitcoin#26527
If these changes are implemented in Bitcoin Core, it might be useful to adapt the behavior here too.