Payjoin Dev Kit Library v0.8.1 Released

• "Receiver error handling has been overhauled and tested with other independent payjoin compatible software."
• "Wallets who enjoy persistent internet connectivity should reach out to evaluate an integration. It works."
• "Seeking review of the code that verifies there is no overpayment. Contributions are welcome!"

What's new

• Receiver error handling overhaul.
• `send` and `receive` feature walkthrough docs.
• Test receiver support with BlueWallet.
• Bitcoin-0.30.0 support

Development status

Sender (beta)

• ✅Basic logic
• ✅Most checks implemented
• ✅Documentation
• ✅Unit test with official test vectors passes
• ❌Many unit tests
• ✅Fee contribution support
• ✅Example client using bitcoind
• ✅Tested and works with BTCPayServer
• ❌Tested and works with JoinMarket
• ✅Minimum fee rate enforcement
• ❌Independent review
• ✅Independent testing

Receiver (beta)

• ✅Basic logic
• ✅Most checks implemented
• ✅Documentation
• ✅Unit test with official test vectors passes
• ❌Many unit tests
• ✅Fee contribution support
• ✅Example server using bitcoind
• ✅Tested and works with BTCPayServer
• ✅Tested and works with WasabiWallet
• ✅Tested and works with Blue Wallet
• ✅Tested and works with Sparrow
• ✅Minimum fee rate enforcement
• ❌Discount support
• ❌Independent review
• ❌Independent testing

Code quality

• ✅Idiomatic Rust code
• ✅Newtypes
• ✅Panic-free error handling
• ✅No unsafe code or well-tested/analyzed/proven/... unsafe code
• ✅Warning-free
• ✅CI
• ✅Integration tests
• ❌Fuzzing
• ❌Coverage measurement

Disclaimer: "Use at your own risk. This crate has not yet been reviewed by independent Rust and Bitcoin security professionals."

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