CKB Dev Log 2025-05-14

[mohanson]

Updates

Release / Features

• ckb-devrel/ccc now supports CKB_TX_MESSAGE_ALL. Implementation and testing completed.

Improvements

• New Test Features in ckb-testtool . Added support for testing loadHeader, loadHeaderByField, and loadBlockExtension syscalls. PR #73
• Dual-version multisig Integrated in ckb-sdk, ckb-cli, and ckb-devchain; Ongoing integration testing: PR #140
• TCP Hole Punching Preparation
  • Completed rate limiting and testing RPC.
  • Determined packet size is small (<2KB); planning to disable protocol compression
  • Compression algorithm comparison (zstd, lz4) done; switching may not yield significant benefit
• WASM Compilation Improvements. Resolved unexpected mio/tokio dependencies causing WASM build issues for ckb-sdk-rust: https://github.com/Officeyutong/ckb-sdk-rust/tree/wasm
• Enhanced ckb-script Fuzzing. Integrated honggfuzz and AFL with protobuf format support to improve fuzzing coverage and effectiveness.

Fixes

• Diagnosed Unstable Tests in CKB. Used rr to debug and address test instability PR #4880
• Addressed WASM Issues in ckb-js-vm . Continued fixes for async/send issues PR #72

In Pipeline…

• JavaScript Contract Documentation. Planning to add more examples and potentially integrate OpenZeppelin-style contract tools for better developer experience.
• block_relay_only Mode Deployment. Currently rolling out partially to observe effects on sync performance before a full deployment.
• ckb-vm-contrib Crate Consolidation
  • Consolidating scattered ckb-vm ecosystem crates into a unified mono-repo.
  • Updated test/benchmark tools while perserving older crates: https://github.com/nervosnetwork/ckb-vm-contrib.