ETH Address FID Contract

interface IVerificationsV4Reader {
    function getFid(address verifier) external view returns (uint256 fid);
    function getFidWithEvent(address verifier) external returns (uint256 fid);
    function getFids(address[] calldata verifiers) external view returns (uint256[] memory fid);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

interface IVerificationsV4Reader {
    function getFid(address verifier) external view returns (uint256 fid);
    function getFidWithEvent(address verifier) external returns (uint256 fid);
    function getFids(address[] calldata verifiers) external view returns (uint256[] memory fid);
}

contract HelloWorld {
    IVerificationsV4Reader immutable verifications;

    constructor(IVerificationsV4Reader _verifications) {
       verifications = _verifications;
    }

    function requireVerification() public view returns (uint256) {
        uint256 fid = verifications.getFid(msg.sender);

        if (fid == 0) {
            revert("!fid");
        }

        return fid;
    }
}