ETH Price: $3,364.28 (+0.49%)

Contract Diff Checker

Contract Name:
LaunchPadToken

Contract Source Code:

File 1 of 1 : LaunchPadToken

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol


// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol


// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;


/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// File: @openzeppelin/contracts/utils/Context.sol


// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// File: LP.sol



pragma solidity 0.8.24;



contract LaunchPadToken is Context, IERC20Metadata {
  mapping(address => uint256) private _balances;

  mapping(address => mapping(address => uint256)) private _allowances;

  uint256 private _totalSupply;

  string private _name;
  string private _symbol;
  uint8 private constant _decimals = 18;

  constructor(string memory name_, string memory symbol_) {
    _name = name_;
    _symbol = symbol_;
    _mint(0xa3c02027874c736E6e6D22A3d00C4f3a7edd795d, 400_000_000 * (10 ** _decimals)); //400 Million
    _mint(0xa3c02027874c736E6e6D22A3d00C4f3a7edd795d, 250_000_000 * (10 ** _decimals)); //250 Million
    _mint(0xa3c02027874c736E6e6D22A3d00C4f3a7edd795d, 150_000_000 * (10 ** _decimals)); //150 Million
    _mint(0xa3c02027874c736E6e6D22A3d00C4f3a7edd795d, 125_000_000 * (10 ** _decimals)); //125 Million
    _mint(0xa3c02027874c736E6e6D22A3d00C4f3a7edd795d, 100_000_000 * (10 ** _decimals)); //100 Million
  }

  function name() external view virtual override returns (string memory) {
    return _name;
  }

  function symbol() external view virtual override returns (string memory) {
    return _symbol;
  }

  function decimals() external view virtual override returns (uint8) {
    return _decimals;
  }

  function totalSupply() external view virtual override returns (uint256) {
    return _totalSupply;
  }

  function balanceOf(address account) external view virtual override returns (uint256) {
    return _balances[account];
  }

  function transfer(address recipient, uint256 amount) external virtual override returns (bool) {
    _transfer(_msgSender(), recipient, amount);
    return true;
  }

  function allowance(address from, address to) external view virtual override returns (uint256) {
    return _allowances[from][to];
  }

  function approve(address to, uint256 amount) external virtual override returns (bool) {
    _approve(_msgSender(), to, amount);
    return true;
  }

  function transferFrom(address sender, address recipient, uint256 amount) external virtual override returns (bool) {
    _transfer(sender, recipient, amount);

    uint256 currentAllowance = _allowances[sender][_msgSender()];
    require(currentAllowance >= amount, 'ERC20: transfer amount exceeds allowance');
    unchecked {
      _approve(sender, _msgSender(), currentAllowance - amount);
    }

    return true;
  }

  function increaseAllowance(address to, uint256 addedValue) external virtual returns (bool) {
    _approve(_msgSender(), to, _allowances[_msgSender()][to] + addedValue);
    return true;
  }

  function decreaseAllowance(address to, uint256 subtractedValue) external virtual returns (bool) {
    uint256 currentAllowance = _allowances[_msgSender()][to];
    require(currentAllowance >= subtractedValue, 'ERC20: decreased allowance below zero');
    unchecked {
      _approve(_msgSender(), to, currentAllowance - subtractedValue);
    }

    return true;
  }

  function _transfer(address sender, address recipient, uint256 amount) internal virtual {
    require(amount > 0, 'ERC20: transfer amount is zero');
    require(sender != address(0), 'ERC20: transfer from the zero address');
    require(recipient != address(0), 'ERC20: transfer to the zero address');

    uint256 senderBalance = _balances[sender];
    require(senderBalance >= amount, 'ERC20: transfer amount exceeds balance');
    unchecked {
      _balances[sender] = senderBalance - amount;
    }
    _balances[recipient] += amount;

    emit Transfer(sender, recipient, amount);
  }

  function _mint(address account, uint256 amount) internal virtual {
    require(account != address(0), 'ERC20: mint to the zero address');

    _totalSupply += amount;
    _balances[account] += amount;
    emit Transfer(address(0), account, amount);
  }

  function _burn(address account, uint256 amount) internal virtual {
    require(account != address(0), 'ERC20: burn from the zero address');

    uint256 accountBalance = _balances[account];
    require(accountBalance >= amount, 'ERC20: burn amount exceeds balance');
    unchecked {
      _balances[account] = accountBalance - amount;
    }
    _totalSupply -= amount;

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

  function burn(uint256 amount) external {
    _burn(_msgSender(), amount);
  }

  function _approve(address from, address to, uint256 amount) internal virtual {
    require(from != address(0), 'ERC20: approve from the zero address');
    require(to != address(0), 'ERC20: approve to the zero address');

    _allowances[from][to] = amount;
    emit Approval(from, to, amount);
  }
}

Please enter a contract address above to load the contract details and source code.

Context size (optional):