refactor: removing L1 block number from L2 block

[benesjan]

Fixes #5274

A copy of #5275 which got messed up when I tried to reorder branches in a stack.

[LHerskind]

🚢

[github-actions]

Changes to circuit sizes

Generated at commit: 26ea6d11902e2c32a7897a69bc7581f6f421d449, compared to commit: acffa7b4d41496dea0d16fd94ab98a1a977d14a8

🧾 Summary (100% most significant diffs)

Program	ACIR opcodes (+/-)	%	Circuit size (+/-)	%
rollup_root	-1,098 ✅	-50.14%	-26,213 ✅	-25.18%

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Full diff report 👇

Program	ACIR opcodes (+/-)	%	Circuit size (+/-)	%
rollup_root	1,092 (-1,098)	-50.14%	77,898 (-26,213)	-25.18%

[AztecBot]

Benchmark results

Metrics with a significant change:

• note_trial_decrypting_time_in_ms (32): 120 (+78%)
• note_trial_decrypting_time_in_ms (64): 113 (+142%)

Detailed results

All benchmarks are run on txs on the Benchmarking contract on the repository. Each tx consists of a batch call to create_note and increment_balance, which guarantees that each tx has a private call, a nested private call, a public call, and a nested public call, as well as an emitted private note, an unencrypted log, and public storage read and write.

This benchmark source data is available in JSON format on S3 here.

Values are compared against data from master at commit 30908eb0 and shown if the difference exceeds 1%.

L2 block published to L1

Each column represents the number of txs on an L2 block published to L1.

Metric	8 txs	32 txs	64 txs
l1_rollup_calldata_size_in_bytes	5,668	18,820	36,356
l1_rollup_calldata_gas	66,316	238,672	469,580
l1_rollup_execution_gas	647,414	929,030	1,305,760
l2_block_processing_time_in_ms	1,352 (+2%)	4,859 (+1%)	9,350
note_successful_decrypting_time_in_ms	178 (-9%)	505 (-9%)	979 (-4%)
note_trial_decrypting_time_in_ms	81.4 (-21%)	⚠️ 120 (+78%)	⚠️ 113 (+142%)
l2_block_building_time_in_ms	18,321	68,874 (-1%)	136,816 (-4%)
l2_block_rollup_simulation_time_in_ms	8,116 (-1%)	28,750	56,573 (-6%)
l2_block_public_tx_process_time_in_ms	10,183	40,066 (-1%)	80,140 (-3%)

L2 chain processing

Each column represents the number of blocks on the L2 chain where each block has 16 txs.

Metric	5 blocks	10 blocks
node_history_sync_time_in_ms	13,799	27,862 (+2%)
note_history_successful_decrypting_time_in_ms	1,254 (-1%)	2,486 (+1%)
note_history_trial_decrypting_time_in_ms	99.6 (+4%)	205 (+36%)
node_database_size_in_bytes	18,677,840 (-2%)	35,012,688 (-2%)
pxe_database_size_in_bytes	29,859	59,414

Circuits stats

Stats on running time and I/O sizes collected for every circuit run across all benchmarks.

Circuit	circuit_simulation_time_in_ms	circuit_input_size_in_bytes	circuit_output_size_in_bytes
private-kernel-init	287 (-1%)	44,366	28,244
private-kernel-ordering	215	52,868	14,326
base-parity	1,883 (+3%)	128	311
base-rollup	717 (-1%)	165,787	925
root-parity	1,448 (-8%)	1,244	311
root-rollup	51.8 (-1%)	4,487	725
private-kernel-inner	646 (-1%)	73,771	28,244
public-kernel-app-logic	449	35,260	28,215
public-kernel-tail	174 (-1%)	40,926	28,215
merge-rollup	8.31	2,696	925

Tree insertion stats

The duration to insert a fixed batch of leaves into each tree type.

Metric	1 leaves	16 leaves	64 leaves	128 leaves	512 leaves	1024 leaves	2048 leaves	4096 leaves	32 leaves
batch_insert_into_append_only_tree_16_depth_ms	10.0	16.1 (+1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A
batch_insert_into_append_only_tree_16_depth_hash_count	16.8	31.6	N/A	N/A	N/A	N/A	N/A	N/A	N/A
batch_insert_into_append_only_tree_16_depth_hash_ms	0.585	0.497 (+1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A
batch_insert_into_append_only_tree_32_depth_ms	N/A	N/A	45.8 (-2%)	72.7 (+1%)	230 (-1%)	445	884	1,732	N/A
batch_insert_into_append_only_tree_32_depth_hash_count	N/A	N/A	96.0	159	543	1,055	2,079	4,127	N/A
batch_insert_into_append_only_tree_32_depth_hash_ms	N/A	N/A	0.470 (-2%)	0.448 (+1%)	0.421 (-1%)	0.417	0.419	0.414	N/A
batch_insert_into_indexed_tree_20_depth_ms	N/A	N/A	53.8 (-1%)	107	337	663 (+1%)	1,315	2,610 (-1%)	N/A
batch_insert_into_indexed_tree_20_depth_hash_count	N/A	N/A	104	207	691	1,363	2,707	5,395	N/A
batch_insert_into_indexed_tree_20_depth_hash_ms	N/A	N/A	0.479 (-1%)	0.481	0.458	0.457 (+1%)	0.455	0.453 (-1%)	N/A
batch_insert_into_indexed_tree_40_depth_ms	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	61.5 (-1%)
batch_insert_into_indexed_tree_40_depth_hash_count	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	109
batch_insert_into_indexed_tree_40_depth_hash_ms	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	0.538 (-1%)

Miscellaneous

Transaction sizes based on how many contract classes are registered in the tx.

Metric	0 registered classes
tx_size_in_bytes	22,012

Transaction processing duration by data writes.

Metric	0 new note hashes	1 new note hashes
tx_pxe_processing_time_ms	3,224	1,756

Metric	0 public data writes	1 public data writes
tx_sequencer_processing_time_ms	11.1 (-8%)	1,250