Transaction Hash:
Block:
20404520 at Jul-28-2024 10:42:47 AM +UTC
Transaction Fee:
0.000152392053976672 ETH
$0.37
Gas Used:
47,107 Gas / 3.235019296 Gwei
Emitted Events:
47 |
SHITCOIN.Approval( owner=[Sender] 0x1fa8dd46e68ddc403b6dff19063a1261f680808c, spender=0x00000000...43aC78BA3, value=115792089237316195423570985008687907853269984665640564039457584007913129639935 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x1fa8dD46...1f680808c |
0.242728431318153994 Eth
Nonce: 25
|
0.242576039264177322 Eth
Nonce: 26
| 0.000152392053976672 | ||
0x8f600217...79dE4abF7 | |||||
0x95222290...5CC4BAfe5
Miner
| (beaverbuild) | 16.517532775230874039 Eth | 16.517626989230874039 Eth | 0.000094214 |
Execution Trace
SHITCOIN.approve( spender=0x000000000022D473030F116dDEE9F6B43aC78BA3, amount=115792089237316195423570985008687907853269984665640564039457584007913129639935 ) => ( True )
approve[SHITCOIN (ln:222)]
_approve[SHITCOIN (ln:228)]
Approval[SHITCOIN (ln:307)]
/** Https://t.me/ShitcoinEthPortal https://www.x..com/ShitcoinOnEth */ // SPDX-License-Identifier: MIT // 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: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. This can * later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: Shitcoin.sol pragma solidity ^0.8.20; contract SHITCOIN is Ownable { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; string private constant _name = "Shitcoin"; string private constant _symbol = "COIN"; uint8 private constant _decimals = 18; uint256 private constant _totalSupply = 100_000_000_000 * 10**_decimals; event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); constructor() Ownable(msg.sender) { _balances[msg.sender] = _totalSupply; emit Transfer(address(0), msg.sender, _totalSupply); } function name() external view virtual returns (string memory) { return _name; } function symbol() external view virtual returns (string memory) { return _symbol; } function decimals() external view virtual returns (uint8) { return _decimals; } function totalSupply() external view virtual returns (uint256) { return _totalSupply; } function balanceOf(address account) external view virtual returns (uint256) { return _balances[account]; } function transfer(address to, uint256 amount) external virtual returns (bool) { address owner = msg.sender; require(owner != to, "ERC20: transfer to address cannot be owner"); _transfer(owner, to, amount); return true; } function allowance(address owner, address spender) public view virtual returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) external virtual returns (bool) { address owner = msg.sender; _approve(owner, spender, amount); return true; } function transferFrom( address from, address to, uint256 amount ) external virtual returns (bool) { address spender = msg.sender; require( spender != from, "ERC20: transferFrom spender can not be the from" ); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) { address owner = msg.sender; _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) { address owner = msg.sender; uint256 currentAllowance = allowance(owner, spender); require( currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero" ); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "ERC20: transfer amount must be greater than zero"); uint256 fromBalance = _balances[from]; require( fromBalance >= amount, "ERC20: transfer amount exceeds balance" ); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); } function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require( currentAllowance >= amount, "ERC20: insufficient allowance" ); unchecked { _approve(owner, spender, currentAllowance - amount); } } } }