Fiber Dev Log 2025-08-21

[driftluo]

Updates

Features / Release

• Fiber 0.6.0 RC published: https://github.com/nervosnetwork/fiber/releases/tag/v0.6.0-rc2

Improvements & Fixes

Stability & Reliability Fixes

• Add end-2-end tests for funding tx verification test: e2e for funding tx verification #833
• Performance: optimized PaymentHopData deserialization: perf: try to resolve PaymentHopData deser performance issue #838
• Refactored codebase and added payment module: https://github.com/nervosnetwork/fiber/pull/818/files
• Fixed unstable payment CI tests: https://github.com/nervosnetwork/fiber/pull/817/files
• Fixed unit test issues of force shutdown: chore: fix unit test for shutdown force #816
• chore: fix release workflow  #822
• chore: remove expect #829

Rebased Cross-Chain Hub (CCH) related PRs

• CCH refactored to run as a separate process with persistent state storage.
• Introduced a family of higher-layer traits StoreDeref to simplify forwarding store traits to the wrapper store struct: feat: store pub-sub #736
• Added support for MMP (multi-path payments) in cross-chain transactions on Fiber: feat: support fiber multiple hops payment in cross chain transaction #615

Other fixes

• Fixed an issue where a Fiber node would not update channel state after a force shutdown of other nodes. Check channel shutdown periodically #837
• Fixed watchtower preimage check: Fix preimage hash check in watchtower #824
• Fixed operation overflow issue: Fix multiply overflow in history.rs #826
• Some unit testing support wasm：Support unit tests on wasm #806

In Pipeline

• Atomic MPP (Multi-Path Payments) design and implementation: Atomic mpp #827
• Community DAO proposals & voting discussion
• v0.6.0 Release