Blockchain Event Listener Service

[onelove-dev]

Ran command: git push
Ran command: git push --set-upstream origin feature/blockchain-event-listener-service

📝 Description

Developed a background listener service that synchronizes the application state with the Stellar blockchain. This service ensures that escrow statuses and milestone progress are reflected in the database in real time.

####Key Features

• Stellar Event Subscription: Monitors the platform escrow account for deposits, releases, and refunds.
• Milestone & Job Sync: Automatically updates milestone statuses and completes jobs when all milestones are released.
• Automated Notifications: Triggers in-app notifications for both clients and freelancers upon blockchain confirmations.
• CI/CD Compliance: Fixed pre-existing linting errors and added missing dependencies to ensure all local checks pass.

Technical Notes

• Implemented in scripts/worker.ts using the Stellar SDK.
• Added 004-milestones.sql and 005-notifications.sql migrations.
• Uses memo-based identification and idempotency checks for reliable processing.

Closes #34

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

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