mztacat / Deploy-a-Simple-Contract-on-EVM

Deploy a simple contract on EVM's L1 & L2 using Remix
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Nahmii Contract (Mint & Burn #2

Open mztacat opened 1 year ago

mztacat commented 1 year ago

We used this to create a Contract on Nahmii Testnet

mztacat commented 1 year ago

// SPDX-License-Identifier: MIT pragma solidity ^0.8.0;

contract Mztacat { string public name = "mztacat"; uint8 public decimals = 18; string public symbol = "MzSols"; uint256 public totalSupply = 10000 * (10 ** decimals);

mapping(address => uint256) private balances;

event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);

constructor() {
    balances[msg.sender] = totalSupply;
    emit Transfer(address(0), msg.sender, totalSupply);
}

function balanceOf(address account) public view returns (uint256) {
    return balances[account];
}

function transfer(address recipient, uint256 amount) public returns (bool) {
    _transfer(msg.sender, recipient, amount);
    return true;
}

function allowance(address owner, address spender) public view returns (uint256) {
    // Not implemented in this simple contract
    return 0;
}

function approve(address spender, uint256 amount) public returns (bool) {
    // Not implemented in this simple contract
    return false;
}

function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
    // Not implemented in this simple contract
    return false;
}

function _transfer(address sender, address recipient, uint256 amount) private {
    require(sender != address(0), "Mztacat: transfer from the zero address");
    require(recipient != address(0), "Mztacat: transfer to the zero address");
    require(amount <= balances[sender], "Mztacat: transfer amount exceeds balance");

    balances[sender] -= amount;
    balances[recipient] += amount;

    emit Transfer(sender, recipient, amount);
}

function mint(address account, uint256 amount) public {
    require(account != address(0), "Mztacat: mint to the zero address");

    totalSupply += amount;
    balances[account] += amount;

    emit Transfer(address(0), account, amount);
}

function burn(uint256 amount) public {
    require(amount <= balances[msg.sender], "Mztacat: burn amount exceeds balance");

    totalSupply -= amount;
    balances[msg.sender] -= amount;

    emit Transfer(msg.sender, address(0), amount);
}

}