Fiber Dev Log 2025-05-29

[Officeyutong]

Updates

WASM Integration Progress

Fiber’s WASM support is progressing steadily across multiple stages. This work is focused on enabling Fiber to run in WASM environments, which opens the door to broader platform compatibility, including browsers and lightweight embedded environments.

• WASM async-trait for Ractor — Under review Use non send future on wasm slawlor/ractor#355
• Fiber-WASM Stage 2 - Under review: Build support for wasm32-unknown-unknown #705
• Fiber-WASM Stage 3 & 4 — In development
  • https://github.com/Officeyutong/fiber/tree/wasm-db-implementation
  • https://github.com/Officeyutong/fiber/tree/wasm-add-unit-tests

Additional work for WASM:

• Split Preimage Store for better code separation and maintainability: chore: split preimage store #706
• Watch-tower free Client — You can build a Fiber client without relying on a watchtower: chore: add watchtower feature flag #703

In Pipeline

• Terminal UI: A terminal-based UI in progress: Add a terminal gui #714
• PTLC Research: We‘re looking into PTLC (Point Time-Locked Contracts) with a PoC: https://github.com/chenyukang/ptlc-poc

Bug fixes & Improvements

• Funding Timeout: Timeout mechanism was added to improve channel reliability.
• Check shutdown fee rate for shutdown peer message #713
• Reject invalid open channel message #711
• Add a unit test for large shutdown feerate #712
• Remove unused tlc_maximum_value #709