Pull request ElementsProject/lightning#4519

`createonion` to accept an optional custom `onion_size`

6662
6684
6703
6752
6762

Range Diff Matrix


6662..6684
6662..6703	6684..6703
6662..6752	6684..6752	6703..6752
6662..6762	6684..6762	6703..6762	6752..6762