refactor: drop per-block payload size and tx-count packing caps - #160
refactor: drop per-block payload size and tx-count packing caps#160panos-xyz wants to merge 2 commits into
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These leftover zkEVM packing knobs are not Morph consensus parameters. Stop reading the unused genesis fields and remove the CLI flags so the builder is bounded only by header gasLimit and the time budget.
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📝 WalkthroughWalkthroughMorph removes Morph-specific transaction payload-size and transaction-count limits from genesis configuration, CLI arguments, node wiring, and payload building. Payload breaking now uses gas and time limits. ChangesTransaction packing limit removal
Estimated code review effort: 3 (Moderate) | ~25 minutes Mergeability Score: 🟠 High · up to The change can allow block construction to admit transactions beyond the configured gas limit when cumulative gas accounting overflows, potentially producing invalid blocks. This correctness issue should be fixed before merge. Possibly related issues
Possibly related PRs
Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
📝 Generate docstrings
🧪 Generate unit tests (beta)
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Actionable comments posted: 1
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Inline comments:
In `@crates/payload/builder/src/builder.rs`:
- Around line 650-653: Update is_tx_over_limits to use checked addition so
overflow is treated as exceeding the block gas limit rather than wrapping; also
replace the equivalent L1 gas check near the existing L1 validation with this
helper, preserving the current limit-check behavior for non-overflowing values.
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📒 Files selected for processing (8)
README.mdcrates/chainspec/src/genesis.rscrates/chainspec/src/spec.rscrates/node/src/args.rscrates/node/src/components/payload.rscrates/node/src/node.rscrates/payload/builder/src/builder.rscrates/payload/builder/src/config.rs
💤 Files with no reviewable changes (2)
- crates/node/src/components/payload.rs
- README.md
panos-xyz
changed the title
Document that morph-geth still enforces maxTxPayloadBytesPerBlock in ValidateBody, so the rollout order is a hard constraint until its removal ships there. Guard the remaining gas check against overflow and reuse it on the L1 message path. Drop three tests that only asserted "does not panic", the unused MorphBuilderConfig::new, and correct the txpool size comment: reth's DEFAULT_MAX_TX_INPUT_BYTES is 128 KiB, not 120 KiB, and it applies to the full encoded length.
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Summary
--morph.max-tx-payload-bytesand--morph.max-tx-per-block. Payload building is now bounded only by headergasLimitand the builder time budget.maxTxPayloadBytesPerBlockandmaxTxPerBlock. The historical fields remain in the genesis JSON files and are ignored.cumulative_da_bytes_used,max_tx_per_block).Test plan
cargo nextest run -p morph-node -p morph-payload-builder -p morph-chainspeccargo clippy -p morph-node -p morph-payload-builder -p morph-chainspec --all-targets -- -D warnings--morph.max-tx-payload-bytes/--morph.max-tx-per-blockare rejected by the CLISummary by CodeRabbit