feat(protocol): allow empty L2 blocks

[davidtaikocha]

No description provided.

[codecov]

Codecov Report

Merging #406 (7c40868) into main (742ddcb) will decrease coverage by 0.27%.
The diff coverage is 14.28%.

@@            Coverage Diff             @@
##             main     #406      +/-   ##
==========================================
- Coverage   65.53%   65.25%   -0.28%     
==========================================
  Files          96       96              
  Lines        2594     2605      +11     
  Branches      310      313       +3     
==========================================
  Hits         1700     1700              
- Misses        827      837      +10     
- Partials       67       68       +1     

Flag	Coverage Δ		*Carryforward flag
bridge-ui	100.00% <ø> (ø)		Carriedforward from 37992fd
protocol	58.68% <14.28%> (-0.47%)	⬇️
relayer	68.34% <ø> (ø)		Carriedforward from 37992fd
ui	100.00% <ø> (ø)		Carriedforward from 37992fd

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
packages/protocol/contracts/L1/LibData.sol	21.42% <ø> (ø)
packages/protocol/contracts/L1/v1/V1Proposing.sol	0.00% <0.00%> (ø)
packages/protocol/contracts/L1/v1/V1Proving.sol	0.00% <ø> (ø)
packages/protocol/contracts/L1/v1/V1Utils.sol	0.00% <0.00%> (ø)
packages/protocol/contracts/L1/v1/V1Verifying.sol	18.60% <0.00%> (-0.91%)	⬇️
packages/protocol/contracts/libs/LibTxDecoder.sol	84.53% <100.00%> (+0.16%)	⬆️
...es/protocol/contracts/thirdparty/LibMerkleTrie.sol	90.36% <0.00%> (-1.21%)	⬇️

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more