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ISSUE_235_SUMMARY.md

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Issue #235: REST API Implementation - Complete ✅

Summary

Successfully implemented REST API endpoints for StellarLend core lending operations with full Stellar blockchain integration.

Deliverables

  • 4 Core Endpoints: deposit, borrow, repay, withdraw + health check
  • Request Validation: Express-validator with comprehensive checks
  • Error Handling: Custom error classes and centralized middleware
  • Stellar Integration: Horizon API + Soroban RPC (@stellar/stellar-sdk v14)
  • Transaction Monitoring: Automatic polling until confirmation
  • Security: Helmet, CORS, rate limiting (100 req/15min)
  • Test Coverage: 5 test suites with comprehensive coverage
  • Documentation: Single consolidated README.md

Tech Stack

  • Node.js + TypeScript + Express
  • @stellar/stellar-sdk v14 for blockchain
  • Jest + Supertest for testing
  • Winston for logging
  • JWT for authentication

Quick Start

cd api
npm install
cp .env.example .env
# Edit .env with CONTRACT_ID
npm run build
npm run dev

API Endpoints

  • POST /api/lending/deposit - Deposit collateral
  • POST /api/lending/borrow - Borrow assets
  • POST /api/lending/repay - Repay debt
  • POST /api/lending/withdraw - Withdraw collateral
  • GET /api/health - Health check

Status

✅ Build successful ✅ Dependencies installed ✅ Tests passing ✅ Ready for deployment

Next Steps

  1. Set CONTRACT_ID in .env
  2. Deploy to testnet/mainnet
  3. Run integration tests with real accounts