Stripe: webhook que entrega el servicio aunque el usuario no vuelva
- app/api/stripe/webhook: verifica firma (constructEventAsync) y en checkout.session.completed registra la IP de Stripe (como Django) y ENTREGA el servicio. Idempotente frente a la página de éxito. - lib/stripe.ts: claimPaidCheckout ahora es ATÓMICO (UPDATE ... WHERE fulfilled=0 + affectedRows) para evitar doble entrega entre webhook y página de éxito; nuevo recordStripeIp. - lib/fulfill.ts: fulfillCheckoutSession compartido (reclama + resuelve servicio desde metadata.service + ejecuta). checkout guarda `service` en metadata. - service-success: usa la entrega compartida y distingue entregado/ya-procesado/error. - i18n: Paid.alreadyProcessed. Requiere configurar STRIPE_WEBHOOK_SECRET en .env.local (endpoint apuntando a /api/stripe/webhook, evento checkout.session.completed). Verificado: build OK, webhook 400 sin firma / firma inválida. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
@@ -1,6 +1,6 @@
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import { getTranslations, setRequestLocale } from 'next-intl/server'
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import { claimPaidCheckout } from '@/lib/stripe'
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import { getPaidService } from '@/lib/paid-services'
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import { fulfillCheckoutSession } from '@/lib/fulfill'
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import { isSessionPaid } from '@/lib/stripe'
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export const dynamic = 'force-dynamic'
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@@ -13,25 +13,33 @@ export default async function ServiceSuccessPage({
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}) {
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const { locale } = await params
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setRequestLocale(locale)
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const { service, session_id } = await searchParams
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const { service: urlService, session_id } = await searchParams
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const t = await getTranslations('Paid')
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const cfg = service ? getPaidService(service) : null
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// Verifica el pago (una vez) y ejecuta el comando SOAP del servicio.
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// Entrega compartida con el webhook (idempotente). Si el webhook ya entregó,
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// el reclamo atómico devuelve ok=false pero el pago sigue confirmado.
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let status: 'delivered' | 'already' | 'error' = 'error'
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let okName: string | null = null
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if (cfg && session_id) {
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const claim = await claimPaidCheckout(session_id)
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if (claim) {
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const ok = await cfg.fulfill(claim.characterName, claim.metadata)
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if (ok) okName = claim.characterName
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let service = urlService ?? null
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if (session_id) {
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const r = await fulfillCheckoutSession(session_id, urlService)
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service = r.service ?? urlService ?? null
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if (r.ok) {
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status = 'delivered'
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okName = r.character
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} else if (await isSessionPaid(session_id)) {
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// Pago confirmado pero ya reclamado antes (webhook o recarga de la página).
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status = 'already'
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}
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}
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return (
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<main className="mx-auto max-w-lg px-4 py-12 text-center">
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<h1 className="mb-6 text-2xl font-bold text-amber-500">{service ? t(`${service}.title`) : ''}</h1>
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{okName ? (
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<p className="text-green-400">{t(`${service}.success`, { name: okName })}</p>
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{status === 'delivered' ? (
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<p className="text-green-400">{t(`${service}.success`, { name: okName ?? '' })}</p>
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) : status === 'already' ? (
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<p className="text-green-400">{t('alreadyProcessed')}</p>
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) : (
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<p className="text-red-400">{t('error')}</p>
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)}
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@@ -25,8 +25,9 @@ export async function POST(request: Request, { params }: { params: Promise<{ ser
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return Response.json({ success: false, error: 'invalidCharacter' })
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}
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// Campos extra del servicio (gold_amount, destination_account...) -> metadata
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const metadata: Record<string, string> = {}
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// Campos extra del servicio (gold_amount, destination_account...) -> metadata.
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// `service` va en metadata para que el webhook sepa qué entregar sin la URL.
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const metadata: Record<string, string> = { service }
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for (const f of cfg.extraFields) {
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const v = String(body[f] ?? '').trim()
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if (!v) return Response.json({ success: false, error: 'missingFields' })
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@@ -0,0 +1,39 @@
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import Stripe from 'stripe'
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import { recordStripeIp } from '@/lib/stripe'
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import { fulfillCheckoutSession } from '@/lib/fulfill'
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const stripe = new Stripe(process.env.STRIPE_SECRET_KEY as string)
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/**
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* Webhook de Stripe. Verifica la firma y, en `checkout.session.completed`:
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* - registra la IP de Stripe (como Django),
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* - ENTREGA el servicio (idempotente vía claim atómico), de modo que el pago se
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* cumple aunque el usuario cierre el navegador antes de volver a la web.
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*/
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export async function POST(request: Request) {
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const secret = process.env.STRIPE_WEBHOOK_SECRET
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const sig = request.headers.get('stripe-signature')
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if (!secret || !sig) return Response.json({ success: false, message: 'missingSignature' }, { status: 400 })
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const payload = await request.text()
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let event: Stripe.Event
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try {
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event = await stripe.webhooks.constructEventAsync(payload, sig, secret)
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} catch {
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return Response.json({ success: false, message: 'invalidSignature' }, { status: 400 })
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}
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if (event.type === 'checkout.session.completed') {
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const session = event.data.object as Stripe.Checkout.Session
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const ip = (request.headers.get('x-forwarded-for') || '').split(',')[0].trim() || '0.0.0.0'
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await recordStripeIp(session.id, ip)
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// Entrega best-effort; los errores no deben provocar reintentos infinitos de Stripe.
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try {
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await fulfillCheckoutSession(session.id)
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} catch {
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/* el reclamo atómico impide dobles entregas; se puede reintentar desde la web */
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}
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}
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return Response.json({ success: true })
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}
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@@ -0,0 +1,31 @@
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import { claimPaidCheckout } from './stripe'
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import { getPaidService } from './paid-services'
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export interface FulfillResult {
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ok: boolean
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service: string | null
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character: string | null
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}
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/**
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* Entrega un checkout pagado: reclama (atómico, una sola vez), resuelve el servicio
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* desde metadata.service y ejecuta su acción. Reutilizable por la página de éxito y
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* por el webhook, de modo que el pago se cumple aunque el usuario no vuelva.
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*
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* `fallbackService` permite a la página de éxito pasar el servicio de la URL para
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* sesiones antiguas cuyo metadata no lo incluía.
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*/
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export async function fulfillCheckoutSession(
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sessionId: string,
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fallbackService?: string,
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): Promise<FulfillResult> {
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const claim = await claimPaidCheckout(sessionId)
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if (!claim) return { ok: false, service: fallbackService ?? null, character: null }
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const service = claim.metadata.service || fallbackService || ''
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const cfg = service ? getPaidService(service) : null
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if (!cfg) return { ok: false, service: service || null, character: claim.characterName }
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const ok = await cfg.fulfill(claim.characterName, claim.metadata)
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return { ok, service, character: claim.characterName }
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}
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+19
-4
@@ -1,5 +1,5 @@
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import Stripe from 'stripe'
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import type { RowDataPacket } from 'mysql2'
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import type { RowDataPacket, ResultSetHeader } from 'mysql2'
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import { db, DB } from './db'
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const stripe = new Stripe(process.env.STRIPE_SECRET_KEY as string)
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@@ -82,11 +82,26 @@ export async function claimPaidCheckout(
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return null
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}
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const [rows] = await db(DB.default).query<RowDataPacket[]>(
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'SELECT id, character_name, fulfilled FROM home_stripelog WHERE session_id = ?',
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'SELECT id, character_name FROM home_stripelog WHERE session_id = ?',
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[sessionId],
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)
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const log = rows[0]
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if (!log || log.fulfilled) return null
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await db(DB.default).query('UPDATE home_stripelog SET fulfilled = 1 WHERE id = ?', [log.id])
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if (!log) return null
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// Reclamo ATÓMICO: solo gana quien pasa fulfilled 0->1. Evita doble entrega si
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// el webhook y la página de éxito corren a la vez.
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const [res] = await db(DB.default).query<ResultSetHeader>(
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'UPDATE home_stripelog SET fulfilled = 1 WHERE id = ? AND fulfilled = 0',
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[log.id],
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)
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if (res.affectedRows === 0) return null
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return { characterName: log.character_name, metadata }
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}
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/** Registra la IP de Stripe y actualiza el timestamp del log (como el webhook de Django). */
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export async function recordStripeIp(sessionId: string, ip: string): Promise<void> {
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if (!sessionId) return
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await db(DB.default).query('UPDATE home_stripelog SET stripe_ip = ?, timestamp = NOW() WHERE session_id = ?', [
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ip.slice(0, 45),
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sessionId,
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])
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}
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@@ -181,7 +181,8 @@
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"pay": "Transfer for {price} €",
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"destination": "Destination account",
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"success": "Character {name} has been transferred to the destination account."
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}
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},
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"alreadyProcessed": "Your payment is confirmed and the reward was already delivered."
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},
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"SecurityToken": {
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"title": "Security token",
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@@ -181,7 +181,8 @@
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"pay": "Transferir por {price} €",
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"destination": "Cuenta de destino",
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"success": "El personaje {name} ha sido transferido a la cuenta de destino."
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}
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},
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"alreadyProcessed": "Tu pago se ha confirmado y la recompensa ya fue entregada."
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},
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"SecurityToken": {
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"title": "Token de seguridad",
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