1-Click XRPFi (FlareFi)

XRPL-originated flow toward Ethereum Sepolia DeFi: CCIP (Arbitrum Sepolia → Sepolia), Uniswap V3 swap (WETH → USDC), and a minimal yield vault ledger. Flare Smart Accounts are represented by FlareIntentRegistry on Coston2 until a Flare CCIP lane is wired.

Monorepo

Package	Description
contracts/	Hardhat: XRPFiSepoliaExecutor (CCIP receiver + swap), XRPFiArbitrumSender, YieldVault, FlareIntentRegistry
apps/web	Vite + React: XRPL devnet payment / intent UI, polls API
apps/api	Express: intent endpoint + optional on-chain event indexing

Quick start

npm install
npm run compile
npm run build

• Web dev: npm run dev
• API dev: npm run dev:api (copy apps/api/.env.example → apps/api/.env)

Deploy (sketch)

1. Sepolia: npx hardhat run scripts/deploy-sepolia.ts --network sepolia
2. Arbitrum Sepolia: set SEPOLIA_EXECUTOR_ADDRESS, then npx hardhat run scripts/deploy-arbitrum-sender.ts --network arbitrumSepolia
3. Sepolia: npx hardhat run scripts/wire-peer.ts --network sepolia with ARB_SENDER_ADDRESS set
4. Fund executor WETH on Sepolia, set API env vars (SEPOLIA_EXECUTOR_ADDRESS, SEPOLIA_VAULT_ADDRESS, RPCs)

See contracts/.env.example and apps/api/.env.example.

License

MIT