feat: add Gateway webhook handler with vault deposit and EventLogger on-chain audit trail#35
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July 1, 2026 11:17
…elegate, getDelegateStatus on Arc Testnet
…e on Arc Testnet v0.7.2
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Summary
This PR extends the Circle webhook handler to process Gateway events by automatically depositing received USDC into ArcUSDCVault (ERC-4626) and logging each event on-chain via EventLogger contract.
Changes
app/api/circle/webhook/route.ts
tsconfig.json
Architecture
Circle Gateway event triggers webhook
deposits USDC into ArcUSDCVault (ERC-4626)
logs event on-chain via EventLogger
creates permanent audit trail
Contracts
ArcUSDCVault: 0x6C13dA317B65474299F6fDee02daDd6626Eb2BFe
EventLogger: 0x9C50765e591663ED541B2fB863626f39fC6C12e0
Live Endpoint
https://arc-fintech-pearl.vercel.app/api/circle/webhook
Status: Active