Add getNonce endpoint

[ayushm2003]

Fixes | Closes | Resolves #347

Description

Adds starknet_getNonce endpoint.

Changes:

• Stores nonce in the ContractState table
• Provides the nonce using the RPC

Types of changes

• New feature (non-breaking change which adds functionality)

Testing

Requires testing: Yes

Did you write tests??: No

Documentation

If this requires a documentation update, did you add one? No

[codecov[bot]]

Codecov Report

Merging #395 (4f706b6) into main (c5cc557) will decrease coverage by 0.08%. The diff coverage is 72.00%.

@@            Coverage Diff             @@
##             main     #395      +/-   ##
==========================================
- Coverage   92.84%   92.75%   -0.09%     
==========================================
  Files          67       67              
  Lines        7350     7360      +10     
==========================================
+ Hits         6824     6827       +3     
- Misses        519      526       +7     
  Partials        7        7              

Flag	Coverage Δ
unittests	92.75% <72.00%> (-0.09%)	:arrow_down:

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

Impacted Files	Coverage Δ
internal/db/transaction/transaction.pb.go	100.00% <ø> (ø)
internal/juno/juno.go	100.00% <ø> (ø)
internal/rpc/starknet/starknet.go	0.00% <0.00%> (ø)
internal/sync/sync.go	100.00% <ø> (ø)
pkg/felt/felt.go	100.00% <ø> (ø)
pkg/state/contract.go	100.00% <ø> (ø)
internal/db/state/contract.go	100.00% <100.00%> (ø)
internal/db/state/state.pb.go	100.00% <100.00%> (ø)
internal/sync/apiCollection.go	100.00% <100.00%> (ø)
pkg/state/state.go	100.00% <100.00%> (ø)
... and 3 more

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