MCP Ethers Wallet

MIT License
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contracts
contracts/TestToken.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

contract TestToken {
    string public name = "MyToken";
    string public symbol = "MCP";
    uint8 public decimals = 18;
    uint256 public totalSupply;
    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;

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

    constructor() {
        totalSupply = 1000000 * 10**uint256(decimals);
        balanceOf[msg.sender] = totalSupply;
    }

    function transfer(address to, uint256 value) public returns (bool success) {
        require(balanceOf[msg.sender] >= value, "insufficient balance");
        balanceOf[msg.sender] -= value;
        balanceOf[to] += value;
        emit Transfer(msg.sender, to, value);
        return true;
    }

    function approve(address spender, uint256 value) public returns (bool success) {
        allowance[msg.sender][spender] = value;
        emit Approval(msg.sender, spender, value);
        return true;
    }

    function transferFrom(address from, address to, uint256 value) public returns (bool success) {
        require(balanceOf[from] >= value, "insufficient balance");
        require(allowance[from][msg.sender] >= value, "exceeds allowance");
        balanceOf[from] -= value;
        balanceOf[to] += value;
        allowance[from][msg.sender] -= value;
        emit Transfer(from, to, value);
        return true;
    }

    function mint(address to, uint256 value) public {
        balanceOf[to] += value;
        totalSupply += value;
        emit Transfer(address(0), to, value);
    }
} 