checkable raw_call

[charles-cooper]

What I did

Implement #2400

How I did it

How to verify it

Check the tests!

Description for the changelog

Add revert_on_failure kwarg to raw_call to allow handling raw_call failure

Cute Animal Picture

[codecov-commenter]

Codecov Report

Merging #2482 (d2e66f5) into master (9560c70) will increase coverage by 0.04%.
The diff coverage is 91.30%.

@@            Coverage Diff             @@
##           master    #2482      +/-   ##
==========================================
+ Coverage   84.56%   84.61%   +0.04%     
==========================================
  Files          93       94       +1     
  Lines        9228     9295      +67     
  Branches     2086     2097      +11     
==========================================
+ Hits         7804     7865      +61     
- Misses        937      943       +6     
  Partials      487      487              

Impacted Files	Coverage Δ
vyper/old_codegen/parser_utils.py	82.78% <ø> (-0.28%)	⬇️
vyper/builtin_functions/functions.py	88.68% <91.30%> (-0.27%)	⬇️
vyper/old_codegen/arg_clamps.py	53.84% <0.00%> (-15.39%)	⬇️
vyper/evm/opcodes.py	100.00% <0.00%> (ø)
vyper/cli/vyper_lll.py	0.00% <0.00%> (ø)
vyper/lll/optimizer.py	84.07% <0.00%> (ø)
vyper/semantics/environment.py	100.00% <0.00%> (ø)
vyper/old_codegen/types/types.py	82.96% <0.00%> (ø)
... and 7 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9560c70...d2e66f5. Read the comment docs.