feat(payments): pay crypto from custodial balance, deposit only the s… - #99
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…hortfall Skip the deposit step when the buyer's own Circle wallet already holds enough USDC. At crypto checkout, read the wallet's USDC balance: - balance >= required -> settle immediately (mark the transaction paid and enqueue the mints, which spend straight from balance via approve + mintTicket). Response returns `paidFromBalance: true` and no deposit block. - balance < required -> return a deposit instruction for the SHORTFALL only; the buyer tops up the missing amount and the inbound webhook settles once it lands. - crypto-checkout: `prepareCrypto` replaces `createDepositIntent`, reads the balance via Circle `getWalletTokenBalance`, and returns a discriminated settlement plan (balance | deposit). - PaymentsModule imports CircleModule; TicketsService injects MintQueueService to enqueue mints on the pay-from-balance path. Refs #96
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…hortfall
Skip the deposit step when the buyer's own Circle wallet already holds enough USDC. At crypto checkout, read the wallet's USDC balance:
balance >= required -> settle immediately (mark the transaction paid and enqueue the mints, which spend straight from balance via approve + mintTicket). Response returns
paidFromBalance: trueand no deposit block.balance < required -> return a deposit instruction for the SHORTFALL only; the buyer tops up the missing amount and the inbound webhook settles once it lands.
crypto-checkout:
prepareCryptoreplacescreateDepositIntent, reads the balance via CirclegetWalletTokenBalance, and returns a discriminated settlement plan (balance | deposit).PaymentsModule imports CircleModule; TicketsService injects MintQueueService to enqueue mints on the pay-from-balance path.
Refs #96