Change Details

And add some unit tests for the new functions. Partial backport of core#28970: https://github.com/bitcoin/bitcoin/pull/28970/commits/2f51cd680fb4323f1c792dae37d4c4e0e0e35804 https://github.com/bitcoin/bitcoin/pull/28970/commits/d095316c1c23e9460dfbd9fdbaf292063adcd080 Depends on D16491.

And add some unit tests for the new functions. Partial backport of [[https://github.com/bitcoin/bitcoin/pull/28970 | core#28970]]: https://github.com/bitcoin/bitcoin/pull/28970/commits/2f51cd680fb4323f1c792dae37d4c4e0e0e35804 https://github.com/bitcoin/bitcoin/pull/28970/commits/d095316c1c23e9460dfbd9fdbaf292063adcd080 Depends on D16491.

And add some unit tests for the new functions. Partial backport of [[https://github.com/bitcoin/bitcoin/pull/28970 | core#28970:]]: https://github.com/bitcoin/bitcoin/pull/28970/commits/2f51cd680fb4323f1c792dae37d4c4e0e0e35804 https://github.com/bitcoin/bitcoin/pull/28970/commits/d095316c1c23e9460dfbd9fdbaf292063adcd080 Depends on D16491.