Co-authored-by: Jon Atack <firstname.lastname@example.org>
Co-authored-by: Samuel Dobson <email@example.com>
This is a backport of core#19743
- the Release notes are not relevant because they refer to a PR that we backported almost one year ago.
- the formula for computing a defaulti fee in Bitcoin ABC is 1 sat/byte * tx_size, with tx_size ~ 148 * n_in + 33 * n_out + 10. The tx sizes in the log messages checked in this PR are consistent with this formula (and different from the way Core computes the fees).