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start a verifying payment section

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Pablo Fernandez 2023-11-23 15:30:42 +00:00
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@ -75,5 +75,13 @@ Clients supporting this NIP can check for zaps e-tagging the `kind:7001` event t
The same `kind:7001` is re-zapped on a regular basis per the cadence specified in the event.
## Verifying Payment
The following conditions must be met to verify a payment:
* Time between zap receipts should be equal or less than the cadence specified in the `kind:7001` event.
* Amount of the zap receipt should be equal or greater than the amount specified in the `kind:7001` event. For currencies not directly supported by the zap spec, clients should do a best effort conversion to the currency specified in the `kind:7001` event at the time of zap receipt.
* Zap-receipts should include a zap request `e`-tagging the `kind:7001` event. Zap-receipts might not include a signature (for NWC-automated payments where the subscriber is not present to sign the zap request).
* Validations specified in [NIP-57](https://github.com/nostr-protocol/nips/blob/master/57.md).
## Stopping a subscription
A user who wants to stop a subscription by publishing a `kind:5` deletion request of the `kind:7001` event.