2026-01-13 14:49:19 +01:00

115 lines
3.6 KiB
TypeScript

import type { Event } from 'nostr-tools'
import type { Purchase } from '@/types/nostr'
import { buildTags } from '../nostrTagSystem'
import { PLATFORM_SERVICE } from '../platformConfig'
import { generatePurchaseHashId } from '../hashIdGenerator'
import { buildObjectId } from '../urlGenerator'
import { buildPaymentNoteTemplate, mapPaymentCategory, type PaymentCategoryTag, publishPaymentNoteToRelays } from './shared'
export async function publishPurchaseNote(params: {
articleId: string
authorPubkey: string
payerPubkey: string
amount: number
paymentHash: string
zapReceiptId?: string
category?: 'science-fiction' | 'scientific-research'
seriesId?: string
payerPrivateKey: string
}): Promise<Event | null> {
const category = mapPaymentCategory(params.category)
const payload = await buildPurchaseNotePayload({ ...params, category })
return publishPaymentNoteToRelays({
payerPrivateKey: params.payerPrivateKey,
objectType: 'purchase',
hash: payload.hashId,
eventTemplate: payload.eventTemplate,
parsed: payload.parsedPurchase,
version: 0,
hidden: false,
index: 0,
})
}
async function buildPurchaseNotePayload(params: {
articleId: string
authorPubkey: string
payerPubkey: string
amount: number
paymentHash: string
zapReceiptId?: string
category: PaymentCategoryTag
seriesId?: string
}): Promise<{ hashId: string; eventTemplate: import('nostr-tools').EventTemplate; parsedPurchase: Purchase }> {
const purchaseData = {
payerPubkey: params.payerPubkey,
articleId: params.articleId,
authorPubkey: params.authorPubkey,
amount: params.amount,
paymentHash: params.paymentHash,
...(params.seriesId ? { seriesId: params.seriesId } : {}),
}
const hashId = await generatePurchaseHashId(purchaseData)
const id = buildObjectId(hashId, 0, 0)
const tags = buildPurchaseNoteTags({ ...params, hashId })
tags.push(['json', JSON.stringify({ type: 'purchase', id, hash: hashId, version: 0, index: 0, ...purchaseData })])
const parsedPurchase = buildParsedPurchase({ ...params, id, hashId })
return { hashId, eventTemplate: buildPaymentNoteTemplate(tags, `Purchase confirmed: ${params.amount} sats for article ${params.articleId}`), parsedPurchase }
}
function buildPurchaseNoteTags(params: {
articleId: string
authorPubkey: string
payerPubkey: string
amount: number
paymentHash: string
zapReceiptId?: string
category: PaymentCategoryTag
seriesId?: string
hashId: string
}): string[][] {
return buildTags({
type: 'payment',
category: params.category,
id: params.hashId,
service: PLATFORM_SERVICE,
version: 0,
hidden: false,
payment: true,
paymentType: 'purchase',
amount: params.amount,
payerPubkey: params.payerPubkey,
recipientPubkey: params.authorPubkey,
paymentHash: params.paymentHash,
articleId: params.articleId,
...(params.zapReceiptId ? { zapReceiptId: params.zapReceiptId } : {}),
...(params.seriesId ? { seriesId: params.seriesId } : {}),
})
}
function buildParsedPurchase(params: {
articleId: string
authorPubkey: string
payerPubkey: string
amount: number
paymentHash: string
id: string
hashId: string
seriesId?: string
}): Purchase {
return {
id: params.id,
hash: params.hashId,
version: 0,
index: 0,
payerPubkey: params.payerPubkey,
articleId: params.articleId,
authorPubkey: params.authorPubkey,
amount: params.amount,
paymentHash: params.paymentHash,
createdAt: Math.floor(Date.now() / 1000),
...(params.seriesId ? { seriesId: params.seriesId } : {}),
kindType: 'purchase',
}
}