10grans-ng/contracts/TenGransArbToken.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import "./TenGransAbstractToken.sol";
import "@arbitrum/token-bridge-contracts/contracts/tokenbridge/arbitrum/IArbToken.sol";

contract TenGransArbToken is AbstractGrans, IArbToken {
    uint256 public immutable cap = 15_000 * 10 ** 18;
    address public immutable l2Gateway;
    address public immutable override l1Address;

    modifier onlyGateway() {
        require(msg.sender == l2Gateway, "ONLY_l2GATEWAY");
        _;
    }

    constructor(address _l2Gateway, address _l1Address) AbstractGrans() {
        l2Gateway = _l2Gateway;
        l1Address = _l1Address;
    }

    function bridgeMint(address account, uint256 amount) external virtual override onlyGateway {
        require(amount + totalSupply() <= cap, "CAP_EXCEEDED");
        _mint(account, amount);
    }

    function bridgeBurn(address account, uint256 amount) external virtual override onlyGateway {
        _burn(account, amount);
    }
}