PriceOracle — GenLayer On-Chain Price Feed

Live crypto and forex prices fetched from public APIs, verified by 5 independent AI validators on GenLayer, and stored on-chain for any dApp to read.

Live App

https://price-oracle-delta.vercel.app

Contract

• Address: 0x3bfa3494C7AEB35489436A5325DD0D8F51BE5E0B (Bradbury Testnet)
• File: contracts/price_oracle.py

Live Pairs

Crypto — Binance API

• BTCUSDT, ETHUSDT, SOLUSDT, BNBUSDT

Forex — ExchangeRate API (African)

• USD/NGN, USD/GHS, USD/KES

Forex — Frankfurter/ECB (Major)

• USD/EUR, USD/GBP

How Any dApp Can Use It

oracle = gl.contract.get_at(Address("0x3bfa3494C7AEB35489436A5325DD0D8F51BE5E0B"))
price = json.loads(oracle.get_price("BTCUSDT"))["price"]

Contract Methods

• update_crypto_price(symbol) — fetch and store from Binance
• update_forex_rate(base, quote) — fetch and store forex rate
• get_price(symbol) — read latest price with timestamp
• get_all_prices() — read all 9 tracked pairs
• get_stats() — total symbols and updates

Stack

• GenLayer Bradbury Testnet (Python Intelligent Contract)
• Binance Public API · Frankfurter/ECB · ExchangeRate API
• Next.js 16 · Vercel