feat: change chainId to u64

[AnastasiiaVashchuk]

No description provided.

[codecov]

Codecov Report

Attention: 30 lines in your changes are missing coverage. Please review.

Comparison is base (f98c4fa) 31.58% compared to head (11d1b88) 31.59%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #167   +/-   ##
=======================================
  Coverage   31.58%   31.59%           
=======================================
  Files         478      478           
  Lines       25463    25491   +28     
=======================================
+ Hits         8043     8053   +10     
- Misses      17420    17438   +18     

Files	Coverage Δ
core/bin/external_node/src/config/mod.rs	18.18% <ø> (ø)
core/bin/system-constants-generator/src/utils.rs	0.00% <ø> (ø)
core/lib/config/src/configs/chain.rs	40.74% <ø> (ø)
core/lib/dal/src/blocks_web3_dal.rs	28.28% <ø> (ø)
core/lib/dal/src/transactions_web3_dal.rs	55.66% <ø> (ø)
core/lib/state/src/in_memory.rs	96.29% <100.00%> (+0.14%)	⬆️
core/lib/test_account/src/lib.rs	96.36% <100.00%> (+0.06%)	⬆️
core/lib/types/src/api/mod.rs	33.78% <ø> (ø)
core/lib/types/src/storage/mod.rs	88.57% <100.00%> (+0.33%)	⬆️
core/lib/types/src/transaction_request.rs	68.49% <100.00%> (-0.11%)	⬇️
... and 16 more

... and 20 files with indirect coverage changes

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