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feat: implement email delivery, portfolio aggregation, backup system, and offline-first service worker#276

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Smartdevs17 merged 1 commit intoSmartdevs17:mainfrom
Ebuka321:main
Apr 23, 2026
Merged

feat: implement email delivery, portfolio aggregation, backup system, and offline-first service worker#276
Smartdevs17 merged 1 commit intoSmartdevs17:mainfrom
Ebuka321:main

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@Ebuka321
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Summary

Implements 4 features as requested in the assigned issues:

Email Delivery System (Closes #266)

  • Email template management with customizable templates
  • Payment confirmation emails
  • Delivery status tracking
  • Open/click tracking
  • Unsubscribe handling and email preference center
  • Email queue with retries
  • Fallback to backup email

Multi-Currency Wallet Aggregation (Closes #268)

  • Multi-chain balance fetching (Stellar, Ethereum, Solana)
  • Token price oracle integration
  • USD valuation calculation
  • 24h change calculation
  • Portfolio allocation chart data
  • Historical tracking

Database Backup System (Closes #270)

  • Automated backup schedule configuration
  • Point-in-time recovery window (24h)
  • Backup verification tests
  • Cloud storage integration (AWS, GCP, Azure)
  • Cross-region replication
  • Recovery runbooks
  • Backup encryption (AES-256)

Offline-First Service Worker (Closes #264)

  • Service worker setup with caching strategies
  • Offline detection
  • Payment queue in IndexedDB
  • Automatic sync on reconnect
  • Background sync registration
  • Sync status indicator

API Endpoints

  • POST /api/v1/emails/send - Send email
  • POST /api/v1/emails/send/batch - Batch send emails
  • GET /api/v1/emails/delivery - Get delivery records
  • GET /api/v1/portfolio - Get portfolio aggregation
  • GET /api/v1/portfolio/balance - Get wallet balances
  • GET /api/v1/backup/configs - Get backup configs
  • POST /api/v1/backup/recovery/:pointId - Perform recovery
  • GET /api/v1/backup/pitr - Get PITR window info

… and offline-first service worker

- Add email delivery system with templates, delivery tracking, and unsubscribe management
- Add multi-currency wallet aggregation API with USD valuation
- Add automated backup system with point-in-time recovery
- Add offline-first service worker with payment queue for PWA

Closes Smartdevs17#266
Closes Smartdevs17#268
Closes Smartdevs17#270
Closes Smartdevs17#264
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vercel Bot commented Apr 23, 2026

@Ebuka321 is attempting to deploy a commit to the smartdevs17's projects Team on Vercel.

A member of the Team first needs to authorize it.

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drips-wave Bot commented Apr 23, 2026

@Ebuka321 Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits

@Smartdevs17 Smartdevs17 merged commit 49b8c33 into Smartdevs17:main Apr 23, 2026
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