Praman Setu

Decentralised Oracle Network using Proof of Quartiles

import "./ICryptoInrClient.sol";
import "./CryptoInrOracle.sol";

contract MyDeFiApp is ICryptoInrClient {
  CryptoInrOracle public oracle;

  function requestPrice() external {
    oracle.getLatestPrice(keccak256("BTC"));
  }

  function cryptoInrCallback(
    bytes32 assetCode,
    uint256 price,
    uint256 timestamp,
    uint256 requestId
  ) external override {
    // Use verified price
  }
}

const oracle = new ethers.Contract(addr, abi, provider);

oracle.on("CallbackSuccessEvent", 
  (asset, client, price, id) => {
    console.log(`New Price: ${price}`);
  }
);

// Request BTC Price
await oracle.getLatestPrice(
  ethers.utils.id("BTC")
);