志宇 e536307e5c
[bdk_chain_redesign] Fix tx_graph::Additions::append logic
* `Additions` now implements `Append` and uses `Append` to implement
  `append()`.
* `append()` logic enforces that `last_seen` values should only
  increase.
* Test written for `append()` with `last_seen` behaviour.
2023-04-28 18:54:36 +08:00
..
2023-03-03 17:44:03 +01:00