feat: chain state on bouncer failure

[kylezs]

Pull Request

Checklist

Please conduct a thorough self-review before opening the PR.

• I am confident that the code works.
• I have updated documentation where appropriate.

Summary

Prints extrinsics and events to a file after we detect failure of bouncer to better investigate what is going wrong in failures, especially the flaky ones which are hard to reproduce.

I removed the SwapScheduled tracking for the contrat swap, which is just an intermediate step check, isn't checking anything important. I was debugging and can see that the swap is actually scheduled, but for contract swaps, if the swap is executed very quickly, then it's possible the observeEvent code hasn't started until after the SwapScheduled event occurs - meaning the test will hang there forever.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71%. Comparing base (ef91fdb) to head (7ae8b92).
Report is 2 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff           @@
##            main   #4948    +/-   ##
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- Coverage     71%     71%    -0%     
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  Files        429     429            
  Lines      73980   73836   -144     
  Branches   73980   73836   -144     
======================================
- Hits       52836   52633   -203     
- Misses     18312   18366    +54     
- Partials    2832    2837     +5     

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[ahasna]

LGTM!
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