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// SPDX-License-Identifier: MIT | |
pragma solidity ^0.8.0; | |
/** | |
* @dev The contract has an owner address, and provides basic authorization control whitch | |
* simplifies the implementation of user permissions. This contract is based on the source code at: | |
* https://github.com/OpenZeppelin/openzeppelin-solidity/blob/master/contracts/ownership/Ownable.sol | |
*/ | |
contract Ownable | |
{ |