👛

Wallet, Gift Cards & Store Credits

Production-ready financial engine · PostgreSQL · Redis · BullMQ

PostgreSQLRedis CacheBullMQRow LockingIdempotent
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₹48.2Cr

Total Wallet Balance

🎁

2.84L

Gift Cards Issued

💎

₹12.4Cr

Store Credits Active

💰

₹4.2Cr

Cashback Paid

⚡

1.84L

Transactions Today

👥

5M+

Active Buyers

🏪

1L+

Seller Wallets

⏳

₹2.1Cr

Pending Payouts

TRANSACTION PIPELINE:Wallet Event→BullMQ Queue→Rules Engine→Balance Check→Transaction Lock→PostgreSQL Write→Redis Update→Ledger Entry→Notification→Dashboard Sync

BazaarWallet Balance

₹4,315

Incl. ₹565 cashback + ₹300 rewards

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💳 Wallet

₹3,450

💰 Cashback

₹565

⭐ Rewards

₹300

📈

₹8,420

Total Earned (Lifetime)

🛒

₹24,800

Total Spent via Wallet

⏳

₹89

Pending Cashback

🎁

₹1,500

Gift Cards Balance

Transaction History

💰

Cashback — Diwali Sale Order #BZ-9821

5 Aug 2026

·

WTX-001

cashback
+₹350

completed

🛒

Order Payment — Banarasi Silk Saree #BZ-9756

4 Aug 2026

·

WTX-002

payment
−₹4,999

completed

↩️

Refund — Cancelled Order #BZ-9200

3 Aug 2026

·

WTX-003

refund
+₹1,299

completed

🎁

Referral Bonus — Priya joined via your link

2 Aug 2026

·

WTX-004

referral
+₹200

completed

⭐

Welcome Credits — New Account Bonus

1 Aug 2026

·

WTX-005

reward
+₹100

completed

📱

Added Money via UPI — GPay

31 Jul 2026

·

WTX-006

add money
+₹2,000

completed

🛒

Partial Wallet Payment — Order #BZ-9701

30 Jul 2026

·

WTX-007

payment
−₹500

completed

💰

Category Cashback — Electronics 5%

28 Jul 2026

·

WTX-008

cashback
+₹215

completed

Showing 8 transactions

Wallet Architecture

🔒

Row-Level Locking

PostgreSQL SELECT FOR UPDATE prevents double-spend

🔑

Idempotency Keys

Duplicate transaction prevention via unique keys

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Redis Balance Cache

Sub-millisecond balance reads with TTL invalidation

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BullMQ Async Jobs

Cashback, notifications, ledger updates via queues