End-to-end sign_tx input wiring

[coderofstuff]

Process signing input from deserialize to signing

[codecov-commenter]

Codecov Report

Patch coverage: 84.01% and project coverage change: -1.70 ⚠️

Comparison is base (9f76723) 89.63% compared to head (d92cd44) 87.94%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main       #7      +/-   ##
==========================================
- Coverage   89.63%   87.94%   -1.70%     
==========================================
  Files          23       25       +2     
  Lines         965     1178     +213     
==========================================
+ Hits          865     1036     +171     
- Misses        100      142      +42     

Flag	Coverage Δ
unittests	87.94% <84.01%> (-1.70%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/transaction/deserialize.c	67.30% <63.33%> (-6.61%)	⬇️
src/import/blake2b.c	72.05% <72.05%> (ø)
unit-tests/test_sighash.c	96.42% <88.88%> (+4.42%)	⬆️
src/sighash.c	95.76% <98.86%> (+0.57%)	⬆️
src/import/blake2-impl.h	100.00% <100.00%> (ø)
unit-tests/test_tx_parser.c	100.00% <100.00%> (ø)

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[github-advanced-security]

CodeQL found more than 10 potential problems in the proposed changes. Check the Files changed tab for more details.