Get Chainlink Price Feeds on Hedera

This repository shows how to get Chainlink price feeds on Hedera using the Chainlink Price Feeds Adapter.

Try It in Gitpod

1. Enter your Hedera testnet credentials in the .env file

2. Run the test to get the latest prices for all the price feeds:

   npx hardhat test

   

Local Setup

1. Clone the repository

   git clone https://github.com/ed-marquez/hedera-example-chainlink-price-feeds.git

2. Copy .env.sample to .env and add your environment variables (and Hedera testnet credentials)

   cp .env.sample .env

3. Install dependencies

   npm install

4. Run the test to get the latest prices for all the price feeds:

   npx hardhat test

5. Follow the instructions in the terminal

Key Files

• .env: Account credentials and environment variables
• hardhat.config.js: Hardhat configuration including network settings and compiler options
• constants.js: Network configurations and default values
• test/getLatestFromPriceFeeds.test.js: Test file demonstrating how to get the latest prices for all the price feeds

References

• Using Data Feeds on EVM Chains
• Chainlink Price Feeds Addresses

  Pair	Address
  BTC/USD	0x058fE79CB5775d4b167920Ca6036B824805A9ABd
  DAI/USD	0xdA2aBF7C90aDC73CDF5cA8d720B87bD5F5863389
  ETH/USD	0xb9d461e0b962aF219866aDfA7DD19C52bB9871b9
  HBAR/USD	0x59bC155EB6c6C415fE43255aF66EcF0523c92B4a
  LINK/USD	0xF111b70231E89D69eBC9f6C9208e9890383Ef432
  USDC/USD	0xb632a7e7e02d76c0Ce99d9C62c7a2d1B5F92B6B5
  USDT/USD	0x06823de8E77d708C4cB72Cbf04495D67afF4Bd37