//SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

import { DSMath } from "../../common/math.sol";
import { Basic } from "../../common/basic.sol";
import { RootChainManagerInterface, DepositManagerProxyInterface } from "./interface.sol";

abstract contract Helpers is DSMath, Basic {
    /**
     * @dev Polygon POS Bridge ERC20 Predicate
     */
    address internal constant erc20Predicate = 0x40ec5B33f54e0E8A33A975908C5BA1c14e5BbbDf;

    /**
     * @dev Polygon POS Bridge Manager
     */
    RootChainManagerInterface internal constant migrator = RootChainManagerInterface(0xA0c68C638235ee32657e8f720a23ceC1bFc77C77);

    /**
     * @dev Polygon Plasma Bridge Manager
     */
    DepositManagerProxyInterface internal constant migratorPlasma = DepositManagerProxyInterface(0x401F6c983eA34274ec46f84D70b31C151321188b);
}