8 lines
830 B
Markdown
8 lines
830 B
Markdown
# @wrnexus/payment
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Gateway-neutral, webhook-authoritative payments for WrNexus. Amounts are integer minor units. Every initialize and refund operation requires an idempotency key. The package never accepts or stores card numbers, CVVs, or expiry input; its components navigate to provider-hosted checkout.
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Built-in adapters: offline `sandbox`, Stripe, Razorpay, and PayPal. Applications may add adapters with `defineGateway`. Capabilities are explicit, unsupported operations are refused, signed webhooks are mandatory in production, and package-owned migrations provision the append-only event ledger.
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Webhook events are deduplicated by the provider's event ID and reduced in provider occurrence/sequence order. Captured and refund states are monotonic, so a delayed retry of an older event cannot regress a terminal payment.
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