pragma solidity ^0.7.0;

import { MemoryInterface } from "./interfaces.sol";


abstract contract Stores {

    /**
    * @dev Return matic address
    */
    address constant internal maticAddr = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    /**
    * @dev Return Wrapped MATIC address
    */
    address constant internal wmaticAddr = 0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270;

    /**
    * @dev Return memory variable address
    */
    MemoryInterface constant internal instaMemory = MemoryInterface(address(0)); // TODO: memory address on Polygon

    /**
    * @dev Get Uint value from InstaMemory Contract.
    */
    function getUint(uint getId, uint val) internal returns (uint returnVal) {
        returnVal = getId == 0 ? val : instaMemory.getUint(getId);
    }

    /**
    * @dev Set Uint value in InstaMemory Contract.
    */
    function setUint(uint setId, uint val) virtual internal {
        if (setId != 0) instaMemory.setUint(setId, val);
    }

}