5ire Price Verification Script

This script fetches and verifies the 5IRE/USD price using the PullConsumer smart contract on the 5ireChain.

Prerequisites

• Node.js (v20 or higher)
• Yarn
• A 5ireChain Mainnet Configuration
• Private key with sufficient 5IRE coins for gas fees

Setup

1. Install dependencies:

yarn install

2. Configure environment variables by creating a .env file:

FIRE_URL=https://rpc.5ire.network
FIRE_DEPLOYER=your_private_key_here

Running the Script

Execute the script using Hardhat:

npx hardhat run scripts/fetchAndVerify.ts --network fire

Script Overview

The script performs the following operations:

1. Fetches verification data for 5IRE/USD price from Entangle Oracle
2. Interacts with the PullConsumer contract at 0xB1e44Fb6DDc1DA35300DA3b66be4235F1532d6D7
3. Verifies the price using merkle proofs and signatures
4. Outputs the transaction hash upon successful verification

Expected Output

When successful, you should see output similar to:

sent tx: 0x62364a7c80168b8a5a4e8e0758b7a034e96e2e57ae543a8c7907a27039e79a56

References

• https://docs.entangle.fi/universal-data-feeds-guides/how-to-integrate/evm-smart-contracts/fetch-data-via-pull-model