Avalabs Smart Contract QuickStart

Coin.sol

// SPDX-License-Identifier: mit
pragma solidity >= 0.6.2 < 0.8.0;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

contract CustomCoin is ERC20 {
    string private TOKEN_NAME = "ERC20 Test Token";
    string private TOKEN_SYMBOL = "TEST";

    uint8 private constant TOKEN_DECIMALS = 18;
    uint private constant TOTAL_SUPPLY = 21000000 * (10 ** TOKEN_DECIMALS);

    constructor() ERC20(TOKEN_NAME, TOKEN_SYMBOL) {
        _setupDecimals(TOKEN_DECIMALS);
        _mint(msg.sender, TOTAL_SUPPLY);
    }
}