DolphinPay

DolphinPay is a non-custodial exact-Coin payment network on Sui. A merchant prices each Product or Plan with one Move Coin type and one integer amount in that Coin's base units. The payer sends that exact Coin; the protocol does not quote USD, consult an oracle, swap assets, or choose an alternative payment asset.

Examples include 3_000_000_000 MIST for 3 SUI, or 10_000_000 base units for 10 USDC when the selected USDC type has 6 decimals. USDC is simply one asset a merchant may choose.

The former USDC-only protocol is retired and archived under archive/v1/contract. It is not supported by the active SDK or web app.

Current status

The current package is active on Testnet and has completed real exact-Coin payment, bounded refund, settlement, subscription, and gRPC readback checks. There is no Mainnet deployment. Mainnet work remains limited to an unsigned publish dry-run; see the repository DEPLOYMENT.md.