2.4 KiB
NIP-XX
Generic Payment
draft optional
This NIP defines kind 30090 as a generic payment event that can represent any payment on nostr.
Rationale:
Many applications that use nostr as their social layer have payments as a core part of their functionality which are not necessarily nostr-native in the form of a zap.
It is still valuable to represent these payments on nostr so they can be shared, rendered, and indexed across different clients.
To avoid fake payments - the payment events are signed by a semi-trusted provider which in most cases will be the app that the user is posting from.
The events are parameterized replaceable events so that if the payer or payee joins nostr after the payment was made the payment events can be updated and assigned to their pubkey.
Kind 30090
["d", "<unique_id>"]["currency", "BTC"]- the ISO 4217 (https://en.wikipedia.org/wiki/ISO_4217) currency code of the payment withBTCused for bitcoin["amount", "0.001"]- the payment amount formatted as a string["payer", "<optional_pubkey>", "<optional_relay_hint>", "<optional_name>"]- the entity paying["payee", "<optional_pubkey>", "<optional_relay_hint>", "<optional_name>"]- the entity being paid["metadata": "{}"]- optional generic metadata
Examples:
An anonymous donation to the human rights foundation with an on-chain bitcoin payment:
{
"kind": 30090,
"tags": [
["d", "867038d3-5648-4f64-ab9d-0a1f38f00b67"],
["currency", "BTC"],
["amount", "0.01"],
["payer", "<payer_pubkey>"],
["payee", "<payee_pubkey>"],
["metadata": "{\"program\":\"Bitcoin Development Fund\"}"]
],
"content": "",
}
An anonymous user donating to a gofundme page in dollars:
{
"kind": 30090,
"tags": [
["d", "64eb241d-d05b-42ba-988a-1e24666a7cab"],
["currency", "USD"],
["amount", "1000"],
["payee", "<payee_pubkey>"],
],
"content": "",
}
A Podcasting 2.0 payment:
{
"kind": 30090,
"tags": [
["d", "f8604a8f-1ad5-4e90-a2f5-3a5e63cd7330"],
["currency", "BTC"],
["amount", "0.001"],
["payer", "<payer_pubkey>"],
["payee", "", "", "The Joe Rogan Experience"],
["i", "podcast:guid:123"],
["i", "podcast:item:guid:123"],
["metadata", "{\"action\": \"boost\"}"]
],
"content": "Great episode!",
}