Oracle3
Open-source trading engine and MCP server for prediction markets. Fee-aware no-arbitrage trading across related contracts, live on Kalshi, Polymarket and Solana or on paper.
Mini plataforma de pagos P2P con ledger de doble entrada, idempotencia y detección de fraude (NestJS + PostgreSQL + Redis).
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FinanceTypeScript · HTMLGitHub @vitorinolucaOnlineOwner unconfirmed
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🔗 Demo (Swagger): https://payments-platform-hrcm.onrender.com/api Plan free de Render: si nadie la usó en 15 min, el primer request tarda ~30s en despertar. Mini plataforma de pagos P2P (estilo Wise/Venmo). Proyecto de portfolio enfocado en los problemas reales de un sistema de pagos: contabilidad de doble entrada, idempotencia, concurrencia, fraude y multi-moneda. NestJS, TypeScript, PostgreSQL (TypeORM), Redis, Socket.io, Docker Compose.Read the full README ↗
🔗 Demo (Swagger): https://payments-platform-hrcm.onrender.com/api
Plan free de Render: si nadie la usó en 15 min, el primer request tarda ~30s en despertar.
Mini plataforma de pagos P2P (estilo Wise/Venmo). Proyecto de portfolio enfocado en los problemas reales de un sistema de pagos: contabilidad de doble entrada, idempotencia, concurrencia, fraude y multi-moneda.
NestJS, TypeScript, PostgreSQL (TypeORM), Redis, Socket.io, Docker Compose.
git clone https://github.com/vitorinoluca/payments-platform.git
cd payments-platform
cp .env.example .env
docker compose up -d
npm install
npm run start:dev # http://localhost:3000
Docs interactivas (Swagger): http://localhost:3000/api
npm run test # unitarios
npm run test:e2e # necesita Postgres y Redis levantados
POST /transfers con lock pesimista + idempotencia (Idempotency-Key)src/
auth/ # login, JWT, 2FA
ledger/ # entidades y endpoint de transferencias
fraud/ # reglas de detección
fx/ # tasas de cambio
realtime/ # WebSockets
webhooks/ # despacho de webhooks firmados
audit/ # log de seguridad