Payment Vault

PaymentVault manages prepaid credits in OLYMP.

Key calls

deposit(uint256 amount, address beneficiary)
withdraw(uint256 amount)
consumeCredits(address consumer, uint256 amount, bytes32 requestId)

Gateways must be authorized to call consumeCredits.

In epoch-batched mode, gateways call consumeCredits once per consumer per epoch using a deterministic usageId to match receipts.