26 lines
843 B
Solidity
26 lines
843 B
Solidity
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// SPDX-License-Identifier: MIT
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pragma solidity 0.8.10;
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import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
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import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
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import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
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import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
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contract Mars is Initializable, ERC20Upgradeable, UUPSUpgradeable, OwnableUpgradeable {
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function initialize() public initializer {
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__ERC20_init("Mars", "MRS");
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__Ownable_init();
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_mint(msg.sender, 1000000 * 10 ** decimals());
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}
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function _authorizeUpgrade(address newImplementation) internal
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override
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onlyOwner {}
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}
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contract MarsV2 is Mars {
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function version() pure public returns (string memory) {
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return "v2";
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}
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}
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