Volodymyr Biloshytskyi

Hey, this might be shot in the dark but try removing `Tortoise.close_connections()` from your code (it was deprecated in 0.19.0). This seams to solve similar issue I had.

I'm not sure if it's related to this issure, but tsbw works not really well with segwit addresses (few my coins go to wrong address because of this issue, but...

Same error, @phantanthanh1996 have you fixed this issue?

@y-chan I deleted this swap already. Will try to reproduce this bug soon.