Tuppence

Chaumian ecash mint written in Rust, implementing the Cashu protocol.

NUT Support

• NUT-01 - Active keyset via GET /keys
• NUT-02 - All keysets via GET /keysets and single keyset via GET /keys/{:id}
• NUT-03 - Invoice requests via GET /mint?amount={:amount}
  • Integrate with Lightning gateway to return invoices
  • Check for invoice payment in background
• NUT-04 - Minting tokens via POST /mint?hash={:hash}
• NUT-05 - Check Lightning fees via POST /checkfees
• NUT-05 - Melt tokens via POST /melt
• NUT-06 - Split tokens via POST /split
• NUT-07 - Spend check via POST /check
• NUT-08 - Lightning fee return
• NUT-09 - Mint information via GET /info

Roadmap

• Persist mint state to database
• Proper secret management
• Keylist rotation
• IP & Port listening configuration