PH7B6I3U5XCACAX6VX3ZDJD2DQOQS7725R6CTOATNC26NP4VPUFQC
SXEYMYF7P4RZMZ46WPL4IZUTSQ2ATBWYZX7QNVMS3SGOYXYOHAGQC
for h in libpijul::change::full_dependencies(&txn, &channel).0 {
for (_, (h, _)) in txn.reverse_log(&channel.borrow(), None) {