Fiber Dev Log 2025-06-26

[chenyukang]

Features

In active testing and reviewing:

• Ongoing MPP Support with several components implemented: Support Basic MPP #732

  Progress so far:

  • HTLC attempt mechanism refactored
  • MPP-held HTLC settlement implemented
  • Path-finding improved

• IndexedDB implementation for Fiber WASM (in browser): Database implementation for fiber wasm #733

• Cross-chain support for multiple hops payment: feat: support fiber multiple hops payment in cross chain transaction #615

• New store struct StoreWithPubSub added as wrapper of Store to emit update events: feat: store pub-sub #736

Improvements & Fixes

• Refactoring on channel parameter check: chore: refactoring on check open channel parameters #748
• Security fixes:
  • Limited resources usage for accept channels: feat: throttle to be accepted channels #747
  • Fix a bug where a malicious node may send an invalid channel ID from anther channel: Check peer and channel map for channel messages #746

In Pipeline

• Funding Timeout Finalization — Two PRs close to completion:
  • feat: auto close funding channel on timeout #734
  • feat: ensure funding tx is built incrementally #517
• Security fix:
  • fix: resolve public token reused issue #751