Avoid reusing just-failed channels in the router, making the impossibility penalty configurable#1600

Merged

TheBlueMatt merged 3 commits intolightningdevkit:mainfrom

TheBlueMatt:2022-07-explicit-avoid-retries

Jul 15, 2022

Commits on Jul 14, 2022

Track channels which a given payment part failed to traverse
TheBlueMatt
committed
Make the `ProbabilisticScorer` impossibility penalty configurable
TheBlueMatt
committed
Change default "impossibility penalty" to one Bitcoin
TheBlueMatt
committed