Funding cell exclusion

[doitian]

Closes #74

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 31 lines in your changes missing coverage. Please review.

Project coverage is 46.47%. Comparing base (feefe59) to head (7832f7d).
Report is 23 commits behind head on main.

Files with missing lines	Patch %	Lines
src/ckb/funding/funding_exclusion.rs	0.00%	16 Missing ⚠️
src/ckb/funding/funding_tx.rs	0.00%	8 Missing ⚠️
src/ckb/actor.rs	0.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #327      +/-   ##
==========================================
- Coverage   46.47%   46.47%   -0.01%     
==========================================
  Files          45       46       +1     
  Lines       28511    28580      +69     
==========================================
+ Hits        13251    13283      +32     
- Misses      15260    15297      +37     

Flag	Coverage Δ
unittests	46.47% <0.00%> (-0.01%)	⬇️

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