Change Details

This switches .read() and .write() to take spans of bytes. This is a backport of core#23438 https://github.com/bitcoin/bitcoin/pull/23438/commits/fa24493d6394b3a477535f480664c9596f18e3c5

This switches .read() and .write() to take spans of bytes. This is a backport of core#23438 https://github.com/bitcoin/bitcoin/pull/23438/commits/fa24493d6394b3a477535f480664c9596f18e3c5 Depends ib D15934