Dataset Preview
The full dataset viewer is not available (click to read why). Only showing a preview of the rows.
The dataset generation failed
Error code: DatasetGenerationError
Exception: CastError
Message: Couldn't cast
contract_name: string
contract_address: string
source_code: string
funit: string
sc_ba: string
idx: string
context: string
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1083
to
{'contract_name': Value(dtype='string', id=None), 'contract_address': Value(dtype='string', id=None), 'source_code': Value(dtype='string', id=None), 'funit': Value(dtype='string', id=None), 'sc_ba': Value(dtype='string', id=None), 'idx': Value(dtype='string', id=None)}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1382, in compute_config_parquet_and_info_response
fill_builder_info(builder, hf_endpoint=hf_endpoint, hf_token=hf_token, validate=validate)
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 573, in fill_builder_info
) = retry_validate_get_features_num_examples_size_and_compression_ratio(
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 492, in retry_validate_get_features_num_examples_size_and_compression_ratio
validate(pf)
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 530, in validate
raise TooBigRowGroupsError(
worker.job_runners.config.parquet_and_info.TooBigRowGroupsError: Parquet file has too big row groups. First row group has 2430442468 which exceeds the limit of 300000000
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1855, in _prepare_split_single
for _, table in generator:
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 687, in wrapped
for item in generator(*args, **kwargs):
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/packaged_modules/parquet/parquet.py", line 106, in _generate_tables
yield f"{file_idx}_{batch_idx}", self._cast_table(pa_table)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/packaged_modules/parquet/parquet.py", line 73, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2293, in table_cast
return cast_table_to_schema(table, schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2241, in cast_table_to_schema
raise CastError(
datasets.table.CastError: Couldn't cast
contract_name: string
contract_address: string
source_code: string
funit: string
sc_ba: string
idx: string
context: string
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1083
to
{'contract_name': Value(dtype='string', id=None), 'contract_address': Value(dtype='string', id=None), 'source_code': Value(dtype='string', id=None), 'funit': Value(dtype='string', id=None), 'sc_ba': Value(dtype='string', id=None), 'idx': Value(dtype='string', id=None)}
because column names don't match
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1405, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 989, in stream_convert_to_parquet
builder._prepare_split(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1742, in _prepare_split
for job_id, done, content in self._prepare_split_single(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1898, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
contract_name
string | contract_address
string | source_code
string | funit
string | sc_ba
string | idx
string |
|---|---|---|---|---|---|
BuybackAI
|
0xb33467c5b26f622ac4c506821ec1738f07bd82b7
|
// SPDX-License-Identifier: MIT
pragma solidity =0.8.10 >=0.8.10 >=0.8.0 <0.9.0;
pragma experimental ABIEncoderV2;
// BuyBackAI
////// lib/openzeppelin-contracts/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.0 (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 _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
////// lib/openzeppelin-contracts/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)
/* pragma solidity ^0.8.0; */
/* import "../utils/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.
*
* By default, the owner account will be the one that deploys the contract. 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;
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 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`).
* 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 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);
}
}
////// lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts v4.4.0 (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 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.
*
* 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);
/**
* @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);
}
////// lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Metadata.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC20/extensions/IERC20Metadata.sol)
/* pragma solidity ^0.8.0; */
/* import "../IERC20.sol"; */
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
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);
}
////// lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC20/ERC20.sol)
/* pragma solidity ^0.8.0; */
/* import "./IERC20.sol"; */
/* import "./extensions/IERC20Metadata.sol"; */
/* import "../../utils/Context.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 using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* 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 Sets the values for {name} and {symbol}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* 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_;
}
/**
* @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`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* 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 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];
}
/**
* @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 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 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");
_beforeTokenTransfer(sender, recipient, amount);
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);
_afterTokenTransfer(sender, recipient, 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), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @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");
_beforeTokenTransfer(account, address(0), amount);
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);
_afterTokenTransfer(account, address(0), 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);
}
/**
* @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 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 {}
}
////// lib/openzeppelin-contracts/contracts/utils/math/SafeMath.sol
// OpenZeppelin Contracts v4.4.0 (utils/math/SafeMath.sol)
/* pragma solidity ^0.8.0; */
// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.
/**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
/* pragma solidity 0.8.10; */
/* pragma experimental ABIEncoderV2; */
interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB)
external
view
returns (address pair);
function allPairs(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(address tokenA, address tokenB)
external
returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
/* pragma solidity 0.8.10; */
/* pragma experimental ABIEncoderV2; */
interface IUniswapV2Pair {
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint256);
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
event Mint(address indexed sender, uint256 amount0, uint256 amount1);
event Burn(
address indexed sender,
uint256 amount0,
uint256 amount1,
address indexed to
);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint256);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves()
external
view
returns (
uint112 reserve0,
uint112 reserve1,
uint32 blockTimestampLast
);
function price0CumulativeLast() external view returns (uint256);
function price1CumulativeLast() external view returns (uint256);
function kLast() external view returns (uint256);
function mint(address to) external returns (uint256 liquidity);
function burn(address to)
external
returns (uint256 amount0, uint256 amount1);
function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
/* pragma solidity 0.8.10; */
/* pragma experimental ABIEncoderV2; */
interface IUniswapV2Router02 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
/* pragma solidity >=0.8.10; */
/* import {IUniswapV2Router02} from "./IUniswapV2Router02.sol"; */
/* import {IUniswapV2Factory} from "./IUniswapV2Factory.sol"; */
/* import {IUniswapV2Pair} from "./IUniswapV2Pair.sol"; */
/* import {IERC20} from "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol"; */
/* import {ERC20} from "lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol"; */
/* import {Ownable} from "lib/openzeppelin-contracts/contracts/access/Ownable.sol"; */
/* import {SafeMath} from "lib/openzeppelin-contracts/contracts/utils/math/SafeMath.sol"; */
contract BuybackAI is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
address public constant deadAddress = address(0xdead);
bool private swapping;
address public buybackWallet;
address public marketingWallet;
address public devWallet;
uint256 public maxTransactionAmount;
uint256 public swapTokensAtAmount;
uint256 public maxWallet;
bool public limitsInEffect = true;
bool public tradingActive = true;
bool public swapEnabled = true;
// Anti-bot and anti-whale mappings and variables
mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch
bool public transferDelayEnabled = true;
uint256 public buyTotalFees;
uint256 public buybuybackFee;
uint256 public buyMarketingFee;
uint256 public buyLiquidityFee;
uint256 public buyDevFee;
uint256 public sellTotalFees;
uint256 public sellbuybackFee;
uint256 public sellMarketingFee;
uint256 public sellLiquidityFee;
uint256 public sellDevFee;
uint256 public tokensForbuyback;
uint256 public tokensForMarketing;
uint256 public tokensForLiquidity;
uint256 public tokensForDev;
/******************/
// exlcude from fees and max transaction amount
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) public _isExcludedMaxTransactionAmount;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping(address => bool) public automatedMarketMakerPairs;
event UpdateUniswapV2Router(
address indexed newAddress,
address indexed oldAddress
);
event ExcludeFromFees(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiquidity
);
constructor() ERC20("BuyBackAI", "$BAI") {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
excludeFromMaxTransaction(address(_uniswapV2Router), true);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
excludeFromMaxTransaction(address(uniswapV2Pair), true);
_setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
uint256 _buybuybackFee = 0;
uint256 _buyMarketingFee = 20;
uint256 _buyLiquidityFee = 0;
uint256 _buyDevFee = 0;
uint256 _sellbuybackFee = 0;
uint256 _sellMarketingFee = 40;
uint256 _sellLiquidityFee = 0;
uint256 _sellDevFee = 0;
uint256 totalSupply = 10000000000 * 1e18;
maxTransactionAmount = 200000000 * 1e18; // 0.5% from total supply maxTransactionAmountTxn
maxWallet = 200000000 * 1e18; // 1% from total supply maxWallet
swapTokensAtAmount = (totalSupply * 10) / 10000; // 0.1% swap wallet
buybuybackFee = _buybuybackFee;
buyMarketingFee = _buyMarketingFee;
buyLiquidityFee = _buyLiquidityFee;
buyDevFee = _buyDevFee;
buyTotalFees = buybuybackFee + buyMarketingFee + buyLiquidityFee + buyDevFee;
sellbuybackFee = _sellbuybackFee;
sellMarketingFee = _sellMarketingFee;
sellLiquidityFee = _sellLiquidityFee;
sellDevFee = _sellDevFee;
sellTotalFees = sellbuybackFee + sellMarketingFee + sellLiquidityFee + sellDevFee;
buybackWallet = address(0xb7ab68d531B32Cf1569A466a727FECDf8A22CC18); // set as buyback wallet
marketingWallet = address(0x3B43Aad351D3Bf9Ef59770a417CCd95e7d3E254d); // set as marketing wallet
devWallet = address(0xF5FD8625589c1B9BcAE7F02d793366Ba821D31eE); // set as dev wallet
// exclude from paying fees or having max transaction amount
excludeFromFees(owner(), true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
excludeFromMaxTransaction(owner(), true);
excludeFromMaxTransaction(address(this), true);
excludeFromMaxTransaction(address(0xdead), true);
/*
_mint is an internal function in ERC20.sol that is only called here,
and CANNOT be called ever again
*/
_mint(msg.sender, totalSupply);
}
receive() external payable {}
// once enabled, can never be turned off
function enableTrading() external onlyOwner {
tradingActive = true;
swapEnabled = true;
}
// remove limits after token is stable
function removeLimits() external onlyOwner returns (bool) {
limitsInEffect = false;
return true;
}
// disable Transfer delay - cannot be reenabled
function disableTransferDelay() external onlyOwner returns (bool) {
transferDelayEnabled = false;
return true;
}
// change the minimum amount of tokens to sell from fees
function updateSwapTokensAtAmount(uint256 newAmount)
external
onlyOwner
returns (bool)
{
require(
newAmount >= (totalSupply() * 1) / 100000,
"Swap amount cannot be lower than 0.001% total supply."
);
require(
newAmount <= (totalSupply() * 5) / 1000,
"Swap amount cannot be higher than 0.5% total supply."
);
swapTokensAtAmount = newAmount;
return true;
}
function updateMaxTxnAmount(uint256 newNum) external onlyOwner {
require(
newNum >= ((totalSupply() * 5) / 1000) / 1e18,
"Cannot set maxTransactionAmount lower than 0.5%"
);
maxTransactionAmount = newNum * (10**18);
}
function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
require(
newNum >= ((totalSupply() * 5) / 1000) / 1e18,
"Cannot set maxWallet lower than 0.5%"
);
maxWallet = newNum * (10**18);
}
function excludeFromMaxTransaction(address updAds, bool isEx)
public
onlyOwner
{
_isExcludedMaxTransactionAmount[updAds] = isEx;
}
// only use to disable contract sales if absolutely necessary (emergency use only)
function updateSwapEnabled(bool enabled) external onlyOwner {
swapEnabled = enabled;
}
function updateBuyFees(
uint256 _buybackFee,
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _devFee
) external onlyOwner {
require((_buybackFee + _marketingFee + _liquidityFee + _devFee) <= 100, "Max BuyFee 10%");
buybuybackFee = _buybackFee;
buyMarketingFee = _marketingFee;
buyLiquidityFee = _liquidityFee;
buyDevFee = _devFee;
buyTotalFees = buybuybackFee + buyMarketingFee + buyLiquidityFee + buyDevFee;
}
function updateSellFees(
uint256 _buybackFee,
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _devFee
) external onlyOwner {
require((_buybackFee + _marketingFee + _liquidityFee + _devFee) <= 100, "Max SellFee 10%");
sellbuybackFee = _buybackFee;
sellMarketingFee = _marketingFee;
sellLiquidityFee = _liquidityFee;
sellDevFee = _devFee;
sellTotalFees = sellbuybackFee + sellMarketingFee + sellLiquidityFee + sellDevFee;
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function setAutomatedMarketMakerPair(address pair, bool value)
public
onlyOwner
{
require(
pair != uniswapV2Pair,
"The pair cannot be removed from automatedMarketMakerPairs"
);
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function isExcludedFromFees(address account) public view returns (bool) {
return _isExcludedFromFees[account];
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (limitsInEffect) {
if (
from != owner() &&
to != owner() &&
to != address(0) &&
to != address(0xdead) &&
!swapping
) {
if (!tradingActive) {
require(
_isExcludedFromFees[from] || _isExcludedFromFees[to],
"Trading is not active."
);
}
// at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.
if (transferDelayEnabled) {
if (
to != owner() &&
to != address(uniswapV2Router) &&
to != address(uniswapV2Pair)
) {
require(
_holderLastTransferTimestamp[tx.origin] <
block.number,
"_transfer:: Transfer Delay enabled. Only one purchase per block allowed."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
//when buy
if (
automatedMarketMakerPairs[from] &&
!_isExcludedMaxTransactionAmount[to]
) {
require(
amount <= maxTransactionAmount,
"Buy transfer amount exceeds the maxTransactionAmount."
);
require(
amount + balanceOf(to) <= maxWallet,
"Max wallet exceeded"
);
}
//when sell
else if (
automatedMarketMakerPairs[to] &&
!_isExcludedMaxTransactionAmount[from]
) {
require(
amount <= maxTransactionAmount,
"Sell transfer amount exceeds the maxTransactionAmount."
);
} else if (!_isExcludedMaxTransactionAmount[to]) {
require(
amount + balanceOf(to) <= maxWallet,
"Max wallet exceeded"
);
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (
canSwap &&
swapEnabled &&
!swapping &&
!automatedMarketMakerPairs[from] &&
!_isExcludedFromFees[from] &&
!_isExcludedFromFees[to]
) {
swapping = true;
swapBack();
swapping = false;
}
bool takeFee = !swapping;
// if any account belongs to _isExcludedFromFee account then remove the fee
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
uint256 fees = 0;
// only take fees on buys/sells, do not take on wallet transfers
if (takeFee) {
// on sell
if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
fees = amount.mul(sellTotalFees).div(100);
tokensForbuyback += (fees * sellbuybackFee) / sellTotalFees;
tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees;
tokensForDev += (fees * sellDevFee) / sellTotalFees;
tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees;
}
// on buy
else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
fees = amount.mul(buyTotalFees).div(100);
tokensForbuyback += (fees * buybuybackFee) / buyTotalFees;
tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
tokensForDev += (fees * buyDevFee) / buyTotalFees;
tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;
}
if (fees > 0) {
super._transfer(from, address(this), fees);
}
amount -= fees;
}
super._transfer(from, to, amount);
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
devWallet,
block.timestamp
);
}
function swapBack() private {
uint256 contractBalance = balanceOf(address(this));
uint256 totalTokensToSwap = tokensForbuyback + tokensForLiquidity + tokensForMarketing + tokensForDev;
bool success;
if (contractBalance == 0 || totalTokensToSwap == 0) {
return;
}
if (contractBalance > swapTokensAtAmount * 20) {
contractBalance = swapTokensAtAmount * 20;
}
// Halve the amount of liquidity tokens
uint256 liquidityTokens = (contractBalance * tokensForLiquidity) / totalTokensToSwap / 2;
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
uint256 initialETHBalance = address(this).balance;
swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethForbuyback = ethBalance.mul(tokensForbuyback).div(totalTokensToSwap);
uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);
uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);
uint256 ethForLiquidity = ethBalance - ethForbuyback - ethForMarketing - ethForDev;
tokensForLiquidity = 0;
tokensForbuyback = 0;
tokensForMarketing = 0;
tokensForDev = 0;
(success, ) = address(devWallet).call{value: ethForDev}("");
(success, ) = address(marketingWallet).call{value: ethForMarketing}("");
if (liquidityTokens > 0 && ethForLiquidity > 0) {
addLiquidity(liquidityTokens, ethForLiquidity);
emit SwapAndLiquify(
amountToSwapForETH,
ethForLiquidity,
tokensForLiquidity
);
}
(success, ) = address(buybackWallet).call{value: address(this).balance}("");
}
}
|
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
|
["// SPDX-License-Identifier: MIT\r\npragma solidity =0.8.10 >=0.8.10 >=0.8.0 <0.9.0;\r\npragma experimental ABIEncoderV2;\r\n\r\n// BuyBackAI\r\n\r\n////// lib/openzeppelin-contracts/contracts/utils/Context.sol\r\n// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)\r\n\r\n/* pragma solidity ^0.8.0; */\r\n\r\n/**\r\n * @dev Provides information about the current execution context, including the\r\n * sender of the transaction and its data. While these are generally available\r\n * via msg.sender and msg.data, they should not be accessed in such a direct\r\n * manner, since when dealing with meta-transactions the account sending and\r\n * paying for execution may not be the actual sender (as far as an application\r\n * is concerned).\r\n *\r\n * This contract is only required for intermediate, library-like contracts.\r\n */\r\nabstract contract Context {\r\n function _msgSender() internal view virtual returns (address) {\r\n return msg.sender;\r\n }\r\n\r\n function _msgData() internal view virtual returns (bytes calldata) {\r\n return msg.data;\r\n }\r\n}\r\n\r\n////// lib/openzeppelin-contracts/contracts/access/Ownable.sol\r\n// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)\r\n\r\n/* pragma solidity ^0.8.0; */\r\n\r\n/* import \"../utils/Context.sol\"; */\r\n\r\n/**\r\n * @dev Contract module which provides a basic access control mechanism, where\r\n * there is an account (an owner) that can be granted exclusive access to\r\n * specific functions.\r\n *\r\n * By default, the owner account will be the one that deploys the contract. This\r\n * can later be changed with {transferOwnership}.\r\n *\r\n * This module is used through inheritance. It will make available the modifier\r\n * `onlyOwner`, which can be applied to your functions to restrict their use to\r\n * the owner.\r\n */\r\nabstract contract Ownable is Context {\r\n address private _owner;\r\n\r\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\r\n\r\n /**\r\n * @dev Initializes the contract setting the deployer as the initial owner.\r\n */\r\n constructor() {\r\n _transferOwnership(_msgSender());\r\n }\r\n\r\n /**\r\n * @dev Returns the address of the current owner.\r\n */\r\n function owner() public view virtual returns (address) {\r\n return _owner;\r\n }\r\n\r\n /**\r\n * @dev Throws if called by any account other than the owner.\r\n */\r\n modifier onlyOwner() {\r\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\r\n _;\r\n }\r\n\r\n /**\r\n * @dev Leaves the contract without owner. It will not be possible to call\r\n * `onlyOwner` functions anymore. Can only be called by the current owner.\r\n *\r\n * NOTE: Renouncing ownership will leave the contract without an owner,\r\n * thereby removing any functionality that is only available to the owner.\r\n */\r\n function renounceOwnership() public virtual onlyOwner {\r\n _transferOwnership(address(0));\r\n }\r\n\r\n /**\r\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\r\n * Can only be called by the current owner.\r\n */\r\n function transferOwnership(address newOwner) public virtual onlyOwner {\r\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\r\n _transferOwnership(newOwner);\r\n }\r\n\r\n /**\r\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\r\n * Internal function without access restriction.\r\n */\r\n function _transferOwnership(address newOwner) internal virtual {\r\n address oldOwner = _owner;\r\n _owner = newOwner;\r\n emit OwnershipTransferred(oldOwner, newOwner);\r\n }\r\n}\r\n\r\n////// lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol\r\n// OpenZeppelin Contracts v4.4.0 (token/ERC20/IERC20.sol)\r\n\r\n/* pragma solidity ^0.8.0; */\r\n\r\n/**\r\n * @dev Interface of the ERC20 standard as defined in the EIP.\r\n */\r\ninterface IERC20 {\r\n /**\r\n * @dev Returns the amount of tokens in existence.\r\n */\r\n function totalSupply() external view returns (uint256);\r\n\r\n /**\r\n * @dev Returns the amount of tokens owned by `account`.\r\n */\r\n function balanceOf(address account) external view returns (uint256);\r\n\r\n /**\r\n * @dev Moves `amount` tokens from the caller's account to `recipient`.\r\n *\r\n * Returns a boolean value indicating whether the operation succeeded.\r\n *\r\n * Emits a {Transfer} event.\r\n */\r\n function transfer(address recipient, uint256 amount) external returns (bool);\r\n\r\n /**\r\n * @dev Returns the remaining number of tokens that `spender` will be\r\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\r\n * zero by default.\r\n *\r\n * This value changes when {approve} or {transferFrom} are called.\r\n */\r\n function allowance(address owner, address spender) external view returns (uint256);\r\n\r\n /**\r\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\r\n *\r\n * Returns a boolean value indicating whether the operation succeeded.\r\n *\r\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\r\n * that someone may use both the old and the new allowance by unfortunate\r\n * transaction ordering. One possible solution to mitigate this race\r\n * condition is to first reduce the spender's allowance to 0 and set the\r\n * desired value afterwards:\r\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\r\n *\r\n * Emits an {Approval} event.\r\n */\r\n function approve(address spender, uint256 amount) external returns (bool);\r\n\r\n /**\r\n * @dev Moves `amount` tokens from `sender` to `recipient` using the\r\n * allowance mechanism. `amount` is then deducted from the caller's\r\n * allowance.\r\n *\r\n * Returns a boolean value indicating whether the operation succeeded.\r\n *\r\n * Emits a {Transfer} event.\r\n */\r\n function transferFrom(\r\n address sender,\r\n address recipient,\r\n uint256 amount\r\n ) external returns (bool);\r\n\r\n /**\r\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\r\n * another (`to`).\r\n *\r\n * Note that `value` may be zero.\r\n */\r\n event Transfer(address indexed from, address indexed to, uint256 value);\r\n\r\n /**\r\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\r\n * a call to {approve}. `value` is the new allowance.\r\n */\r\n event Approval(address indexed owner, address indexed spender, uint256 value);\r\n}\r\n\r\n////// lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Metadata.sol\r\n// OpenZeppelin Contracts v4.4.0 (token/ERC20/extensions/IERC20Metadata.sol)\r\n\r\n/* pragma solidity ^0.8.0; */\r\n\r\n/* import \"../IERC20.sol\"; */\r\n\r\n/**\r\n * @dev Interface for the optional metadata functions from the ERC20 standard.\r\n *\r\n * _Available since v4.1._\r\n */\r\ninterface IERC20Metadata is IERC20 {\r\n /**\r\n * @dev Returns the name of the token.\r\n */\r\n function name() external view returns (string memory);\r\n\r\n /**\r\n * @dev Returns the symbol of the token.\r\n */\r\n function symbol() external view returns (string memory);\r\n\r\n /**\r\n * @dev Returns the decimals places of the token.\r\n */\r\n function decimals() external view returns (uint8);\r\n}\r\n\r\n////// lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol\r\n// OpenZeppelin Contracts v4.4.0 (token/ERC20/ERC20.sol)\r\n\r\n/* pragma solidity ^0.8.0; */\r\n\r\n/* import \"./IERC20.sol\"; */\r\n/* import \"./extensions/IERC20Metadata.sol\"; */\r\n/* import \"../../utils/Context.sol\"; */\r\n\r\n/**\r\n * @dev Implementation of the {IERC20} interface.\r\n *\r\n * This implementation is agnostic to the way tokens are created. This means\r\n * that a supply mechanism has to be added in a derived contract using {_mint}.\r\n * For a generic mechanism see {ERC20PresetMinterPauser}.\r\n *\r\n * TIP: For a detailed writeup see our guide\r\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\r\n * to implement supply mechanisms].\r\n *\r\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\r\n * instead returning `false` on failure. This behavior is nonetheless\r\n * conventional and does not conflict with the expectations of ERC20\r\n * applications.\r\n *\r\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\r\n * This allows applications to reconstruct the allowance for all accounts just\r\n * by listening to said events. Other implementations of the EIP may not emit\r\n * these events, as it isn't required by the specification.\r\n *\r\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\r\n * functions have been added to mitigate the well-known issues around setting\r\n * allowances. See {IERC20-approve}.\r\n */\r\ncontract ERC20 is Context, IERC20, IERC20Metadata {\r\n mapping(address => uint256) private _balances;\r\n\r\n mapping(address => mapping(address => uint256)) private _allowances;\r\n\r\n uint256 private _totalSupply;\r\n\r\n string private _name;\r\n string private _symbol;\r\n\r\n /**\r\n * @dev Sets the values for {name} and {symbol}.\r\n *\r\n * The default value of {decimals} is 18. To select a different value for\r\n * {decimals} you should overload it.\r\n *\r\n * All two of these values are immutable: they can only be set once during\r\n * construction.\r\n */\r\n constructor(string memory name_, string memory symbol_) {\r\n _name = name_;\r\n _symbol = symbol_;\r\n }\r\n\r\n /**\r\n * @dev Returns the name of the token.\r\n */\r\n function name() public view virtual override returns (string memory) {\r\n return _name;\r\n }\r\n\r\n /**\r\n * @dev Returns the symbol of the token, usually a shorter version of the\r\n * name.\r\n */\r\n function symbol() public view virtual override returns (string memory) {\r\n return _symbol;\r\n }\r\n\r\n /**\r\n * @dev Returns the number of decimals used to get its user representation.\r\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\r\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\r\n *\r\n * Tokens usually opt for a value of 18, imitating the relationship between\r\n * Ether and Wei. This is the value {ERC20} uses, unless this function is\r\n * overridden;\r\n *\r\n * NOTE: This information is only used for _display_ purposes: it in\r\n * no way affects any of the arithmetic of the contract, including\r\n * {IERC20-balanceOf} and {IERC20-transfer}.\r\n */\r\n function decimals() public view virtual override returns (uint8) {\r\n return 18;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-totalSupply}.\r\n */\r\n function totalSupply() public view virtual override returns (uint256) {\r\n return _totalSupply;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-balanceOf}.\r\n */\r\n function balanceOf(address account) public view virtual override returns (uint256) {\r\n return _balances[account];\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-transfer}.\r\n *\r\n * Requirements:\r\n *\r\n * - `recipient` cannot be the zero address.\r\n * - the caller must have a balance of at least `amount`.\r\n */\r\n function transfer(address recipient, uint256 amount) public virtual override returns (bool) {\r\n _transfer(_msgSender(), recipient, amount);\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-allowance}.\r\n */\r\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\r\n return _allowances[owner][spender];\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-approve}.\r\n *\r\n * Requirements:\r\n *\r\n * - `spender` cannot be the zero address.\r\n */\r\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\r\n _approve(_msgSender(), spender, amount);\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev See {IERC20-transferFrom}.\r\n *\r\n * Emits an {Approval} event indicating the updated allowance. This is not\r\n * required by the EIP. See the note at the beginning of {ERC20}.\r\n *\r\n * Requirements:\r\n *\r\n * - `sender` and `recipient` cannot be the zero address.\r\n * - `sender` must have a balance of at least `amount`.\r\n * - the caller must have allowance for ``sender``'s tokens of at least\r\n * `amount`.\r\n */\r\n function transferFrom(\r\n address sender,\r\n address recipient,\r\n uint256 amount\r\n ) public virtual override returns (bool) {\r\n _transfer(sender, recipient, amount);\r\n\r\n uint256 currentAllowance = _allowances[sender][_msgSender()];\r\n require(currentAllowance >= amount, \"ERC20: transfer amount exceeds allowance\");\r\n unchecked {\r\n _approve(sender, _msgSender(), currentAllowance - amount);\r\n }\r\n\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev Atomically increases the allowance granted to `spender` by the caller.\r\n *\r\n * This is an alternative to {approve} that can be used as a mitigation for\r\n * problems described in {IERC20-approve}.\r\n *\r\n * Emits an {Approval} event indicating the updated allowance.\r\n *\r\n * Requirements:\r\n *\r\n * - `spender` cannot be the zero address.\r\n */\r\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\r\n _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\r\n *\r\n * This is an alternative to {approve} that can be used as a mitigation for\r\n * problems described in {IERC20-approve}.\r\n *\r\n * Emits an {Approval} event indicating the updated allowance.\r\n *\r\n * Requirements:\r\n *\r\n * - `spender` cannot be the zero address.\r\n * - `spender` must have allowance for the caller of at least\r\n * `subtractedValue`.\r\n */\r\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\r\n uint256 currentAllowance = _allowances[_msgSender()][spender];\r\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\r\n unchecked {\r\n _approve(_msgSender(), spender, currentAllowance - subtractedValue);\r\n }\r\n\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev Moves `amount` of tokens from `sender` to `recipient`.\r\n *\r\n * This internal function is equivalent to {transfer}, and can be used to\r\n * e.g. implement automatic token fees, slashing mechanisms, etc.\r\n *\r\n * Emits a {Transfer} event.\r\n *\r\n * Requirements:\r\n *\r\n * - `sender` cannot be the zero address.\r\n * - `recipient` cannot be the zero address.\r\n * - `sender` must have a balance of at least `amount`.\r\n */\r\n function _transfer(\r\n address sender,\r\n address recipient,\r\n uint256 amount\r\n ) internal virtual {\r\n require(sender != address(0), \"ERC20: transfer from the zero address\");\r\n require(recipient != address(0), \"ERC20: transfer to the zero address\");\r\n\r\n _beforeTokenTransfer(sender, recipient, amount);\r\n\r\n uint256 senderBalance = _balances[sender];\r\n require(senderBalance >= amount, \"ERC20: transfer amount exceeds balance\");\r\n unchecked {\r\n _balances[sender] = senderBalance - amount;\r\n }\r\n _balances[recipient] += amount;\r\n\r\n emit Transfer(sender, recipient, amount);\r\n\r\n _afterTokenTransfer(sender, recipient, amount);\r\n }\r\n\r\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\r\n * the total supply.\r\n *\r\n * Emits a {Transfer} event with `from` set to the zero address.\r\n *\r\n * Requirements:\r\n *\r\n * - `account` cannot be the zero address.\r\n */\r\n function _mint(address account, uint256 amount) internal virtual {\r\n require(account != address(0), \"ERC20: mint to the zero address\");\r\n\r\n _beforeTokenTransfer(address(0), account, amount);\r\n\r\n _totalSupply += amount;\r\n _balances[account] += amount;\r\n emit Transfer(address(0), account, amount);\r\n\r\n _afterTokenTransfer(address(0), account, amount);\r\n }\r\n\r\n /**\r\n * @dev Destroys `amount` tokens from `account`, reducing the\r\n * total supply.\r\n *\r\n * Emits a {Transfer} event with `to` set to the zero address.\r\n *\r\n * Requirements:\r\n *\r\n * - `account` cannot be the zero address.\r\n * - `account` must have at least `amount` tokens.\r\n */\r\n function _burn(address account, uint256 amount) internal virtual {\r\n require(account != address(0), \"ERC20: burn from the zero address\");\r\n\r\n _beforeTokenTransfer(account, address(0), amount);\r\n\r\n uint256 accountBalance = _balances[account];\r\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\r\n unchecked {\r\n _balances[account] = accountBalance - amount;\r\n }\r\n _totalSupply -= amount;\r\n\r\n emit Transfer(account, address(0), amount);\r\n\r\n _afterTokenTransfer(account, address(0), amount);\r\n }\r\n\r\n /**\r\n * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\r\n *\r\n * This internal function is equivalent to `approve`, and can be used to\r\n * e.g. set automatic allowances for certain subsystems, etc.\r\n *\r\n * Emits an {Approval} event.\r\n *\r\n * Requirements:\r\n *\r\n * - `owner` cannot be the zero address.\r\n * - `spender` cannot be the zero address.\r\n */\r\n function _approve(\r\n address owner,\r\n address spender,\r\n uint256 amount\r\n ) internal virtual {\r\n require(owner != address(0), \"ERC20: approve from the zero address\");\r\n require(spender != address(0), \"ERC20: approve to the zero address\");\r\n\r\n _allowances[owner][spender] = amount;\r\n emit Approval(owner, spender, amount);\r\n }\r\n\r\n /**\r\n * @dev Hook that is called before any transfer of tokens. This includes\r\n * minting and burning.\r\n *\r\n * Calling conditions:\r\n *\r\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\r\n * will be transferred to `to`.\r\n * - when `from` is zero, `amount` tokens will be minted for `to`.\r\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\r\n * - `from` and `to` are never both zero.\r\n *\r\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\r\n */\r\n function _beforeTokenTransfer(\r\n address from,\r\n address to,\r\n uint256 amount\r\n ) internal virtual {}\r\n\r\n /**\r\n * @dev Hook that is called after any transfer of tokens. This includes\r\n * minting and burning.\r\n *\r\n * Calling conditions:\r\n *\r\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\r\n * has been transferred to `to`.\r\n * - when `from` is zero, `amount` tokens have been minted for `to`.\r\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\r\n * - `from` and `to` are never both zero.\r\n *\r\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\r\n */\r\n function _afterTokenTransfer(\r\n address from,\r\n address to,\r\n uint256 amount\r\n ) internal virtual {}\r\n}\r\n\r\n////// lib/openzeppelin-contracts/contracts/utils/math/SafeMath.sol\r\n// OpenZeppelin Contracts v4.4.0 (utils/math/SafeMath.sol)\r\n\r\n/* pragma solidity ^0.8.0; */\r\n\r\n// CAUTION\r\n// This version of SafeMath should only be used with Solidity 0.8 or later,\r\n// because it relies on the compiler's built in overflow checks.\r\n\r\n/**\r\n * @dev Wrappers over Solidity's arithmetic operations.\r\n *\r\n * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler\r\n * now has built in overflow checking.\r\n */\r\nlibrary SafeMath {", "\r\n\r\n /**\r\n * @dev Returns the substraction of two unsigned integers, with an overflow flag.\r\n *\r\n * _Available since v3.4._\r\n */\r\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n unchecked {\r\n if (b > a) return (false, 0);\r\n return (true, a - b);\r\n }\r\n }\r\n\r\n /**\r\n * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\r\n *\r\n * _Available since v3.4._\r\n */\r\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n unchecked {\r\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\r\n // benefit is lost if 'b' is also tested.\r\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\r\n if (a == 0) return (true, 0);\r\n uint256 c = a * b;\r\n if (c / a != b) return (false, 0);\r\n return (true, c);\r\n }\r\n }\r\n\r\n /**\r\n * @dev Returns the division of two unsigned integers, with a division by zero flag.\r\n *\r\n * _Available since v3.4._\r\n */\r\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n unchecked {\r\n if (b == 0) return (false, 0);\r\n return (true, a / b);\r\n }\r\n }\r\n\r\n /**\r\n * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\r\n *\r\n * _Available since v3.4._\r\n */\r\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n unchecked {\r\n if (b == 0) return (false, 0);\r\n return (true, a % b);\r\n }\r\n }\r\n\r\n /**\r\n * @dev Returns the addition of two unsigned integers, reverting on\r\n * overflow.\r\n *\r\n * Counterpart to Solidity's `+` operator.\r\n *\r\n * Requirements:\r\n *\r\n * - Addition cannot overflow.\r\n */\r\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\r\n return a + b;\r\n }\r\n\r\n /**\r\n * @dev Returns the subtraction of two unsigned integers, reverting on\r\n * overflow (when the result is negative).\r\n *\r\n * Counterpart to Solidity's `-` operator.\r\n *\r\n * Requirements:\r\n *\r\n * - Subtraction cannot overflow.\r\n */\r\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\r\n return a - b;\r\n }\r\n\r\n /**\r\n * @dev Returns the multiplication of two unsigned integers, reverting on\r\n * overflow.\r\n *\r\n * Counterpart to Solidity's `*` operator.\r\n *\r\n * Requirements:\r\n *\r\n * - Multiplication cannot overflow.\r\n */\r\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\r\n return a * b;\r\n }\r\n\r\n /**\r\n * @dev Returns the integer division of two unsigned integers, reverting on\r\n * division by zero. The result is rounded towards zero.\r\n *\r\n * Counterpart to Solidity's `/` operator.\r\n *\r\n * Requirements:\r\n *\r\n * - The divisor cannot be zero.\r\n */\r\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\r\n return a / b;\r\n }\r\n\r\n /**\r\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\r\n * reverting when dividing by zero.\r\n *\r\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\r\n * opcode (which leaves remaining gas untouched) while Solidity uses an\r\n * invalid opcode to revert (consuming all remaining gas).\r\n *\r\n * Requirements:\r\n *\r\n * - The divisor cannot be zero.\r\n */\r\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\r\n return a % b;\r\n }\r\n\r\n /**\r\n * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\r\n * overflow (when the result is negative).\r\n *\r\n * CAUTION: This function is deprecated because it requires allocating memory for the error\r\n * message unnecessarily. For custom revert reasons use {trySub}.\r\n *\r\n * Counterpart to Solidity's `-` operator.\r\n *\r\n * Requirements:\r\n *\r\n * - Subtraction cannot overflow.\r\n */\r\n function sub(\r\n uint256 a,\r\n uint256 b,\r\n string memory errorMessage\r\n ) internal pure returns (uint256) {\r\n unchecked {\r\n require(b <= a, errorMessage);\r\n return a - b;\r\n }\r\n }\r\n\r\n /**\r\n * @dev Returns the integer division of two unsigned integers, reverting with custom message on\r\n * division by zero. The result is rounded towards zero.\r\n *\r\n * Counterpart to Solidity's `/` operator. Note: this function uses a\r\n * `revert` opcode (which leaves remaining gas untouched) while Solidity\r\n * uses an invalid opcode to revert (consuming all remaining gas).\r\n *\r\n * Requirements:\r\n *\r\n * - The divisor cannot be zero.\r\n */\r\n function div(\r\n uint256 a,\r\n uint256 b,\r\n string memory errorMessage\r\n ) internal pure returns (uint256) {\r\n unchecked {\r\n require(b > 0, errorMessage);\r\n return a / b;\r\n }\r\n }\r\n\r\n /**\r\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\r\n * reverting with custom message when dividing by zero.\r\n *\r\n * CAUTION: This function is deprecated because it requires allocating memory for the error\r\n * message unnecessarily. For custom revert reasons use {tryMod}.\r\n *\r\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\r\n * opcode (which leaves remaining gas untouched) while Solidity uses an\r\n * invalid opcode to revert (consuming all remaining gas).\r\n *\r\n * Requirements:\r\n *\r\n * - The divisor cannot be zero.\r\n */\r\n function mod(\r\n uint256 a,\r\n uint256 b,\r\n string memory errorMessage\r\n ) internal pure returns (uint256) {\r\n unchecked {\r\n require(b > 0, errorMessage);\r\n return a % b;\r\n }\r\n }\r\n}\r\n\r\n/* pragma solidity 0.8.10; */\r\n/* pragma experimental ABIEncoderV2; */\r\n\r\ninterface IUniswapV2Factory {\r\n event PairCreated(\r\n address indexed token0,\r\n address indexed token1,\r\n address pair,\r\n uint256\r\n );\r\n\r\n function feeTo() external view returns (address);\r\n\r\n function feeToSetter() external view returns (address);\r\n\r\n function getPair(address tokenA, address tokenB)\r\n external\r\n view\r\n returns (address pair);\r\n\r\n function allPairs(uint256) external view returns (address pair);\r\n\r\n function allPairsLength() external view returns (uint256);\r\n\r\n function createPair(address tokenA, address tokenB)\r\n external\r\n returns (address pair);\r\n\r\n function setFeeTo(address) external;\r\n\r\n function setFeeToSetter(address) external;\r\n}\r\n\r\n/* pragma solidity 0.8.10; */\r\n/* pragma experimental ABIEncoderV2; */\r\n\r\ninterface IUniswapV2Pair {\r\n event Approval(\r\n address indexed owner,\r\n address indexed spender,\r\n uint256 value\r\n );\r\n event Transfer(address indexed from, address indexed to, uint256 value);\r\n\r\n function name() external pure returns (string memory);\r\n\r\n function symbol() external pure returns (string memory);\r\n\r\n function decimals() external pure returns (uint8);\r\n\r\n function totalSupply() external view returns (uint256);\r\n\r\n function balanceOf(address owner) external view returns (uint256);\r\n\r\n function allowance(address owner, address spender)\r\n external\r\n view\r\n returns (uint256);\r\n\r\n function approve(address spender, uint256 value) external returns (bool);\r\n\r\n function transfer(address to, uint256 value) external returns (bool);\r\n\r\n function transferFrom(\r\n address from,\r\n address to,\r\n uint256 value\r\n ) external returns (bool);\r\n\r\n function DOMAIN_SEPARATOR() external view returns (bytes32);\r\n\r\n function PERMIT_TYPEHASH() external pure returns (bytes32);\r\n\r\n function nonces(address owner) external view returns (uint256);\r\n\r\n function permit(\r\n address owner,\r\n address spender,\r\n uint256 value,\r\n uint256 deadline,\r\n uint8 v,\r\n bytes32 r,\r\n bytes32 s\r\n ) external;\r\n\r\n event Mint(address indexed sender, uint256 amount0, uint256 amount1);\r\n event Burn(\r\n address indexed sender,\r\n uint256 amount0,\r\n uint256 amount1,\r\n address indexed to\r\n );\r\n event Swap(\r\n address indexed sender,\r\n uint256 amount0In,\r\n uint256 amount1In,\r\n uint256 amount0Out,\r\n uint256 amount1Out,\r\n address indexed to\r\n );\r\n event Sync(uint112 reserve0, uint112 reserve1);\r\n\r\n function MINIMUM_LIQUIDITY() external pure returns (uint256);\r\n\r\n function factory() external view returns (address);\r\n\r\n function token0() external view returns (address);\r\n\r\n function token1() external view returns (address);\r\n\r\n function getReserves()\r\n external\r\n view\r\n returns (\r\n uint112 reserve0,\r\n uint112 reserve1,\r\n uint32 blockTimestampLast\r\n );\r\n\r\n function price0CumulativeLast() external view returns (uint256);\r\n\r\n function price1CumulativeLast() external view returns (uint256);\r\n\r\n function kLast() external view returns (uint256);\r\n\r\n function mint(address to) external returns (uint256 liquidity);\r\n\r\n function burn(address to)\r\n external\r\n returns (uint256 amount0, uint256 amount1);\r\n\r\n function swap(\r\n uint256 amount0Out,\r\n uint256 amount1Out,\r\n address to,\r\n bytes calldata data\r\n ) external;\r\n\r\n function skim(address to) external;\r\n\r\n function sync() external;\r\n\r\n function initialize(address, address) external;\r\n}\r\n\r\n/* pragma solidity 0.8.10; */\r\n/* pragma experimental ABIEncoderV2; */\r\n\r\ninterface IUniswapV2Router02 {\r\n function factory() external pure returns (address);\r\n\r\n function WETH() external pure returns (address);\r\n\r\n function addLiquidity(\r\n address tokenA,\r\n address tokenB,\r\n uint256 amountADesired,\r\n uint256 amountBDesired,\r\n uint256 amountAMin,\r\n uint256 amountBMin,\r\n address to,\r\n uint256 deadline\r\n )\r\n external\r\n returns (\r\n uint256 amountA,\r\n uint256 amountB,\r\n uint256 liquidity\r\n );\r\n\r\n function addLiquidityETH(\r\n address token,\r\n uint256 amountTokenDesired,\r\n uint256 amountTokenMin,\r\n uint256 amountETHMin,\r\n address to,\r\n uint256 deadline\r\n )\r\n external\r\n payable\r\n returns (\r\n uint256 amountToken,\r\n uint256 amountETH,\r\n uint256 liquidity\r\n );\r\n\r\n function swapExactTokensForTokensSupportingFeeOnTransferTokens(\r\n uint256 amountIn,\r\n uint256 amountOutMin,\r\n address[] calldata path,\r\n address to,\r\n uint256 deadline\r\n ) external;\r\n\r\n function swapExactETHForTokensSupportingFeeOnTransferTokens(\r\n uint256 amountOutMin,\r\n address[] calldata path,\r\n address to,\r\n uint256 deadline\r\n ) external payable;\r\n\r\n function swapExactTokensForETHSupportingFeeOnTransferTokens(\r\n uint256 amountIn,\r\n uint256 amountOutMin,\r\n address[] calldata path,\r\n address to,\r\n uint256 deadline\r\n ) external;\r\n}\r\n\r\n/* pragma solidity >=0.8.10; */\r\n\r\n/* import {IUniswapV2Router02} from \"./IUniswapV2Router02.sol\"; */\r\n/* import {IUniswapV2Factory} from \"./IUniswapV2Factory.sol\"; */\r\n/* import {IUniswapV2Pair} from \"./IUniswapV2Pair.sol\"; */\r\n/* import {IERC20} from \"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol\"; */\r\n/* import {ERC20} from \"lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol\"; */\r\n/* import {Ownable} from \"lib/openzeppelin-contracts/contracts/access/Ownable.sol\"; */\r\n/* import {SafeMath} from \"lib/openzeppelin-contracts/contracts/utils/math/SafeMath.sol\"; */\r\n\r\ncontract BuybackAI is ERC20, Ownable {\r\n using SafeMath for uint256;\r\n\r\n IUniswapV2Router02 public immutable uniswapV2Router;\r\n address public immutable uniswapV2Pair;\r\n address public constant deadAddress = address(0xdead);\r\n\r\n bool private swapping;\r\n\r\n\taddress public buybackWallet;\r\n address public marketingWallet;\r\n address public devWallet;\r\n\r\n uint256 public maxTransactionAmount;\r\n uint256 public swapTokensAtAmount;\r\n uint256 public maxWallet;\r\n\r\n bool public limitsInEffect = true;\r\n bool public tradingActive = true;\r\n bool public swapEnabled = true;\r\n\r\n // Anti-bot and anti-whale mappings and variables\r\n mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch\r\n bool public transferDelayEnabled = true;\r\n\r\n uint256 public buyTotalFees;\r\n\tuint256 public buybuybackFee;\r\n uint256 public buyMarketingFee;\r\n uint256 public buyLiquidityFee;\r\n uint256 public buyDevFee;\r\n\r\n uint256 public sellTotalFees;\r\n\tuint256 public sellbuybackFee;\r\n uint256 public sellMarketingFee;\r\n uint256 public sellLiquidityFee;\r\n uint256 public sellDevFee;\r\n\r\n\tuint256 public tokensForbuyback;\r\n uint256 public tokensForMarketing;\r\n uint256 public tokensForLiquidity;\r\n uint256 public tokensForDev;\r\n\r\n /******************/\r\n\r\n // exlcude from fees and max transaction amount\r\n mapping(address => bool) private _isExcludedFromFees;\r\n mapping(address => bool) public _isExcludedMaxTransactionAmount;\r\n\r\n // store addresses that a automatic market maker pairs. Any transfer *to* these addresses\r\n // could be subject to a maximum transfer amount\r\n mapping(address => bool) public automatedMarketMakerPairs;\r\n\r\n event UpdateUniswapV2Router(\r\n address indexed newAddress,\r\n address indexed oldAddress\r\n );\r\n\r\n event ExcludeFromFees(address indexed account, bool isExcluded);\r\n\r\n event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);\r\n\r\n event SwapAndLiquify(\r\n uint256 tokensSwapped,\r\n uint256 ethReceived,\r\n uint256 tokensIntoLiquidity\r\n );\r\n\r\n constructor() ERC20(\"BuyBackAI\", \"$BAI\") {\r\n IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(\r\n 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D\r\n );\r\n\r\n excludeFromMaxTransaction(address(_uniswapV2Router), true);\r\n uniswapV2Router = _uniswapV2Router;\r\n\r\n uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())\r\n .createPair(address(this), _uniswapV2Router.WETH());\r\n excludeFromMaxTransaction(address(uniswapV2Pair), true);\r\n _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);\r\n\r\n\t\tuint256 _buybuybackFee = 0;\r\n uint256 _buyMarketingFee = 20;\r\n uint256 _buyLiquidityFee = 0;\r\n uint256 _buyDevFee = 0;\r\n\r\n\t\tuint256 _sellbuybackFee = 0;\r\n uint256 _sellMarketingFee = 40;\r\n uint256 _sellLiquidityFee = 0;\r\n uint256 _sellDevFee = 0;\r\n\r\n uint256 totalSupply = 10000000000 * 1e18;\r\n\r\n maxTransactionAmount = 200000000 * 1e18; // 0.5% from total supply maxTransactionAmountTxn\r\n maxWallet = 200000000 * 1e18; // 1% from total supply maxWallet\r\n swapTokensAtAmount = (totalSupply * 10) / 10000; // 0.1% swap wallet\r\n\r\n\t\tbuybuybackFee = _buybuybackFee;\r\n buyMarketingFee = _buyMarketingFee;\r\n buyLiquidityFee = _buyLiquidityFee;\r\n buyDevFee = _buyDevFee;\r\n buyTotalFees = buybuybackFee + buyMarketingFee + buyLiquidityFee + buyDevFee;\r\n\r\n\t\tsellbuybackFee = _sellbuybackFee;\r\n sellMarketingFee = _sellMarketingFee;\r\n sellLiquidityFee = _sellLiquidityFee;\r\n sellDevFee = _sellDevFee;\r\n sellTotalFees = sellbuybackFee + sellMarketingFee + sellLiquidityFee + sellDevFee;\r\n\r\n\t\tbuybackWallet = address(0xb7ab68d531B32Cf1569A466a727FECDf8A22CC18); // set as buyback wallet\r\n marketingWallet = address(0x3B43Aad351D3Bf9Ef59770a417CCd95e7d3E254d); // set as marketing wallet\r\n devWallet = address(0xF5FD8625589c1B9BcAE7F02d793366Ba821D31eE); // set as dev wallet\r\n\r\n // exclude from paying fees or having max transaction amount\r\n excludeFromFees(owner(), true);\r\n excludeFromFees(address(this), true);\r\n excludeFromFees(address(0xdead), true);\r\n\r\n excludeFromMaxTransaction(owner(), true);\r\n excludeFromMaxTransaction(address(this), true);\r\n excludeFromMaxTransaction(address(0xdead), true);\r\n\r\n /*\r\n _mint is an internal function in ERC20.sol that is only called here,\r\n and CANNOT be called ever again\r\n */\r\n _mint(msg.sender, totalSupply);\r\n }\r\n\r\n receive() external payable {}\r\n\r\n // once enabled, can never be turned off\r\n function enableTrading() external onlyOwner {\r\n tradingActive = true;\r\n swapEnabled = true;\r\n }\r\n\r\n // remove limits after token is stable\r\n function removeLimits() external onlyOwner returns (bool) {\r\n limitsInEffect = false;\r\n return true;\r\n }\r\n\r\n // disable Transfer delay - cannot be reenabled\r\n function disableTransferDelay() external onlyOwner returns (bool) {\r\n transferDelayEnabled = false;\r\n return true;\r\n }\r\n\r\n // change the minimum amount of tokens to sell from fees\r\n function updateSwapTokensAtAmount(uint256 newAmount)\r\n external\r\n onlyOwner\r\n returns (bool)\r\n {\r\n require(\r\n newAmount >= (totalSupply() * 1) / 100000,\r\n \"Swap amount cannot be lower than 0.001% total supply.\"\r\n );\r\n require(\r\n newAmount <= (totalSupply() * 5) / 1000,\r\n \"Swap amount cannot be higher than 0.5% total supply.\"\r\n );\r\n swapTokensAtAmount = newAmount;\r\n return true;\r\n }\r\n\r\n function updateMaxTxnAmount(uint256 newNum) external onlyOwner {\r\n require(\r\n newNum >= ((totalSupply() * 5) / 1000) / 1e18,\r\n \"Cannot set maxTransactionAmount lower than 0.5%\"\r\n );\r\n maxTransactionAmount = newNum * (10**18);\r\n }\r\n\r\n function updateMaxWalletAmount(uint256 newNum) external onlyOwner {\r\n require(\r\n newNum >= ((totalSupply() * 5) / 1000) / 1e18,\r\n \"Cannot set maxWallet lower than 0.5%\"\r\n );\r\n maxWallet = newNum * (10**18);\r\n }\r\n\t\r\n function excludeFromMaxTransaction(address updAds, bool isEx)\r\n public\r\n onlyOwner\r\n {\r\n _isExcludedMaxTransactionAmount[updAds] = isEx;\r\n }\r\n\r\n // only use to disable contract sales if absolutely necessary (emergency use only)\r\n function updateSwapEnabled(bool enabled) external onlyOwner {\r\n swapEnabled = enabled;\r\n }\r\n\r\n function updateBuyFees(\r\n\t\tuint256 _buybackFee,\r\n uint256 _marketingFee,\r\n uint256 _liquidityFee,\r\n uint256 _devFee\r\n ) external onlyOwner {\r\n\t\trequire((_buybackFee + _marketingFee + _liquidityFee + _devFee) <= 100, \"Max BuyFee 10%\");\r\n\t\tbuybuybackFee = _buybackFee;\r\n buyMarketingFee = _marketingFee;\r\n buyLiquidityFee = _liquidityFee;\r\n buyDevFee = _devFee;\r\n buyTotalFees = buybuybackFee + buyMarketingFee + buyLiquidityFee + buyDevFee;\r\n }\r\n\r\n function updateSellFees(\r\n\t\tuint256 _buybackFee,\r\n uint256 _marketingFee,\r\n uint256 _liquidityFee,\r\n uint256 _devFee\r\n ) external onlyOwner {\r\n\t\trequire((_buybackFee + _marketingFee + _liquidityFee + _devFee) <= 100, \"Max SellFee 10%\");\r\n\t\tsellbuybackFee = _buybackFee;\r\n sellMarketingFee = _marketingFee;\r\n sellLiquidityFee = _liquidityFee;\r\n sellDevFee = _devFee;\r\n sellTotalFees = sellbuybackFee + sellMarketingFee + sellLiquidityFee + sellDevFee;\r\n }\r\n\r\n function excludeFromFees(address account, bool excluded) public onlyOwner {\r\n _isExcludedFromFees[account] = excluded;\r\n emit ExcludeFromFees(account, excluded);\r\n }\r\n\r\n function setAutomatedMarketMakerPair(address pair, bool value)\r\n public\r\n onlyOwner\r\n {\r\n require(\r\n pair != uniswapV2Pair,\r\n \"The pair cannot be removed from automatedMarketMakerPairs\"\r\n );\r\n\r\n _setAutomatedMarketMakerPair(pair, value);\r\n }\r\n\r\n function _setAutomatedMarketMakerPair(address pair, bool value) private {\r\n automatedMarketMakerPairs[pair] = value;\r\n\r\n emit SetAutomatedMarketMakerPair(pair, value);\r\n }\r\n\r\n function isExcludedFromFees(address account) public view returns (bool) {\r\n return _isExcludedFromFees[account];\r\n }\r\n\r\n function _transfer(\r\n address from,\r\n address to,\r\n uint256 amount\r\n ) internal override {\r\n require(from != address(0), \"ERC20: transfer from the zero address\");\r\n require(to != address(0), \"ERC20: transfer to the zero address\");\r\n\r\n if (amount == 0) {\r\n super._transfer(from, to, 0);\r\n return;\r\n }\r\n\r\n if (limitsInEffect) {\r\n if (\r\n from != owner() &&\r\n to != owner() &&\r\n to != address(0) &&\r\n to != address(0xdead) &&\r\n !swapping\r\n ) {\r\n if (!tradingActive) {\r\n require(\r\n _isExcludedFromFees[from] || _isExcludedFromFees[to],\r\n \"Trading is not active.\"\r\n );\r\n }\r\n\r\n // at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.\r\n if (transferDelayEnabled) {\r\n if (\r\n to != owner() &&\r\n to != address(uniswapV2Router) &&\r\n to != address(uniswapV2Pair)\r\n ) {\r\n require(\r\n _holderLastTransferTimestamp[tx.origin] <\r\n block.number,\r\n \"_transfer:: Transfer Delay enabled. Only one purchase per block allowed.\"\r\n );\r\n _holderLastTransferTimestamp[tx.origin] = block.number;\r\n }\r\n }\r\n\r\n //when buy\r\n if (\r\n automatedMarketMakerPairs[from] &&\r\n !_isExcludedMaxTransactionAmount[to]\r\n ) {\r\n require(\r\n amount <= maxTransactionAmount,\r\n \"Buy transfer amount exceeds the maxTransactionAmount.\"\r\n );\r\n require(\r\n amount + balanceOf(to) <= maxWallet,\r\n \"Max wallet exceeded\"\r\n );\r\n }\r\n //when sell\r\n else if (\r\n automatedMarketMakerPairs[to] &&\r\n !_isExcludedMaxTransactionAmount[from]\r\n ) {\r\n require(\r\n amount <= maxTransactionAmount,\r\n \"Sell transfer amount exceeds the maxTransactionAmount.\"\r\n );\r\n } else if (!_isExcludedMaxTransactionAmount[to]) {\r\n require(\r\n amount + balanceOf(to) <= maxWallet,\r\n \"Max wallet exceeded\"\r\n );\r\n }\r\n }\r\n }\r\n\r\n uint256 contractTokenBalance = balanceOf(address(this));\r\n\r\n bool canSwap = contractTokenBalance >= swapTokensAtAmount;\r\n\r\n if (\r\n canSwap &&\r\n swapEnabled &&\r\n !swapping &&\r\n !automatedMarketMakerPairs[from] &&\r\n !_isExcludedFromFees[from] &&\r\n !_isExcludedFromFees[to]\r\n ) {\r\n swapping = true;\r\n\r\n swapBack();\r\n\r\n swapping = false;\r\n }\r\n\r\n bool takeFee = !swapping;\r\n\r\n // if any account belongs to _isExcludedFromFee account then remove the fee\r\n if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {\r\n takeFee = false;\r\n }\r\n\r\n uint256 fees = 0;\r\n // only take fees on buys/sells, do not take on wallet transfers\r\n if (takeFee) {\r\n // on sell\r\n if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {\r\n fees = amount.mul(sellTotalFees).div(100);\r\n\t\t\t\ttokensForbuyback += (fees * sellbuybackFee) / sellTotalFees;\r\n tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees;\r\n tokensForDev += (fees * sellDevFee) / sellTotalFees;\r\n tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees;\r\n }\r\n // on buy\r\n else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {\r\n fees = amount.mul(buyTotalFees).div(100);\r\n\t\t\t\ttokensForbuyback += (fees * buybuybackFee) / buyTotalFees;\r\n tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;\r\n tokensForDev += (fees * buyDevFee) / buyTotalFees;\r\n tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;\r\n }\r\n\r\n if (fees > 0) {\r\n super._transfer(from, address(this), fees);\r\n }\r\n\r\n amount -= fees;\r\n }\r\n\r\n super._transfer(from, to, amount);\r\n }\r\n\r\n function swapTokensForEth(uint256 tokenAmount) private {\r\n // generate the uniswap pair path of token -> weth\r\n address[] memory path = new address[](2);\r\n path[0] = address(this);\r\n path[1] = uniswapV2Router.WETH();\r\n\r\n _approve(address(this), address(uniswapV2Router), tokenAmount);\r\n\r\n // make the swap\r\n uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(\r\n tokenAmount,\r\n 0, // accept any amount of ETH\r\n path,\r\n address(this),\r\n block.timestamp\r\n );\r\n }\r\n\r\n function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {\r\n // approve token transfer to cover all possible scenarios\r\n _approve(address(this), address(uniswapV2Router), tokenAmount);\r\n\r\n // add the liquidity\r\n uniswapV2Router.addLiquidityETH{value: ethAmount}(\r\n address(this),\r\n tokenAmount,\r\n 0, // slippage is unavoidable\r\n 0, // slippage is unavoidable\r\n devWallet,\r\n block.timestamp\r\n );\r\n }\r\n\r\n function swapBack() private {\r\n uint256 contractBalance = balanceOf(address(this));\r\n uint256 totalTokensToSwap = tokensForbuyback + tokensForLiquidity + tokensForMarketing + tokensForDev;\r\n bool success;\r\n\r\n if (contractBalance == 0 || totalTokensToSwap == 0) {\r\n return;\r\n }\r\n\r\n if (contractBalance > swapTokensAtAmount * 20) {\r\n contractBalance = swapTokensAtAmount * 20;\r\n }\r\n\r\n // Halve the amount of liquidity tokens\r\n uint256 liquidityTokens = (contractBalance * tokensForLiquidity) / totalTokensToSwap / 2;\r\n uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);\r\n\r\n uint256 initialETHBalance = address(this).balance;\r\n\r\n swapTokensForEth(amountToSwapForETH);\r\n\r\n uint256 ethBalance = address(this).balance.sub(initialETHBalance);\r\n\r\n\t\tuint256 ethForbuyback = ethBalance.mul(tokensForbuyback).div(totalTokensToSwap);\r\n uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);\r\n uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);\r\n\r\n uint256 ethForLiquidity = ethBalance - ethForbuyback - ethForMarketing - ethForDev;\r\n\r\n tokensForLiquidity = 0;\r\n\t\ttokensForbuyback = 0;\r\n tokensForMarketing = 0;\r\n tokensForDev = 0;\r\n\r\n (success, ) = address(devWallet).call{value: ethForDev}(\"\");\r\n (success, ) = address(marketingWallet).call{value: ethForMarketing}(\"\");\r\n\r\n\r\n if (liquidityTokens > 0 && ethForLiquidity > 0) {\r\n addLiquidity(liquidityTokens, ethForLiquidity);\r\n emit SwapAndLiquify(\r\n amountToSwapForETH,\r\n ethForLiquidity,\r\n tokensForLiquidity\r\n );\r\n }\r\n\r\n (success, ) = address(buybackWallet).call{value: address(this).balance}(\"\");\r\n }\r\n\r\n}"]
|
0
|
Zencoin
|
0x35ad97a5b9fe01679a0ddcb6759934af0f1014ef
| "// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.10;\r\n\r\n/*\r\n * ABDK Math 64.64 Smart C(...TRUNCATED) | " /**\r\n * Convert unsigned 256-bit integer number into signed 64.64-bit fixed point\r\n * num(...TRUNCATED) | "[\"// SPDX-License-Identifier: MIT\\r\\npragma solidity ^0.8.10;\\r\\n\\r\\n/*\\r\\n * ABDK Math 64(...TRUNCATED) |
1
|
TheXProtocol
|
0x41d4a8e5d574776408102caaccb888f9f5320aab
| "pragma solidity 0.8.15;\r\n\r\n/*\r\n\r\nβββββ βββββ βββββ γ ββ(...TRUNCATED) | " /**\r\n * @dev Returns the subtraction of two unsigned integers, reverting with custom mess(...TRUNCATED) | "[\"pragma solidity 0.8.15;\\r\\n\\r\\n/*\\r\\n\\r\\n\\u2580\\u2580\\u2588\\u2580\\u2580 \\u2592\\u2(...TRUNCATED) |
2
|
Stewie
|
0x62f651bd704842ded0e10924307a049a52e8460d
| "/**\r\n\r\n\r\nTelegram: https://t.me/StewiePortal\r\nWebsite: stewiecoin.vip/\r\nTwitter: https://(...TRUNCATED) | " /**\r\n * @dev See {IERC20-totalSupply}.\r\n */\r\n function totalSupply() public vi(...TRUNCATED) | "[\"/**\\r\\n\\r\\n\\r\\nTelegram: https://t.me/StewiePortal\\r\\nWebsite: stewiecoin.vip/\\r\\nTwit(...TRUNCATED) |
3
|
MonkeyGame
|
0x781972ff7a327f9343146fa0121950eee2589f63
| "/**\r\n *Submitted for verification at Etherscan.io on 2022-03-18\r\n*/\r\n\r\n// SPDX-License-Iden(...TRUNCATED) | " /**\r\n * @dev See {IERC721-transferFrom}.\r\n */\r\n function transferFrom(\r\n (...TRUNCATED) | "[\"/**\\r\\n *Submitted for verification at Etherscan.io on 2022-03-18\\r\\n*/\\r\\n\\r\\n// SPDX-L(...TRUNCATED) |
4
|
FriendsbySLVN
|
0x689cfe597ef009c8c3d86a3463f85fdfb0ee128d
| "// SPDX-License-Identifier: GPL-3.0\r\n\r\n\r\npragma solidity ^0.8.7;\r\n\r\n/**\r\n * @dev Interf(...TRUNCATED) | " /**\r\n * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\r\n */\r\n f(...TRUNCATED) | "[\"// SPDX-License-Identifier: GPL-3.0\\r\\n\\r\\n\\r\\npragma solidity ^0.8.7;\\r\\n\\r\\n/**\\r\\(...TRUNCATED) |
5
|
CCT
|
0x4f064968edc76cc10cc52f223332a77af04e66f8
| "/**\r\n *Submitted for verification at Etherscan.io on 2022-08-10\r\n*/\r\n\r\n// SPDX-License-Iden(...TRUNCATED) | " /**\r\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer m(...TRUNCATED) | "[\"/**\\r\\n *Submitted for verification at Etherscan.io on 2022-08-10\\r\\n*/\\r\\n\\r\\n// SPDX-L(...TRUNCATED) |
6
|
PigletToken
|
0x4fe819f82542deae0570e5dc971cd30fabed3a01
| "// SPDX-License-Identifier: Unlicensed\r\n\r\npragma solidity ^0.6.12;\r\n\r\nabstract contract Con(...TRUNCATED) | " /**\r\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with(...TRUNCATED) | "[\"// SPDX-License-Identifier: Unlicensed\\r\\n\\r\\npragma solidity ^0.6.12;\\r\\n\\r\\nabstract c(...TRUNCATED) |
7
|
GameOfDragons
|
0xa05dc3b1c161aee788df15c8e49247765259e42e
| "/*\r\n\r\n\r\nWebsite - https://www.game-of-dragons.com/\r\nTelegram - @GameOfDragons\r\nLinktree -(...TRUNCATED) | " /**\r\n * @dev Returns the subtraction of two unsigned integers, reverting on\r\n * ove(...TRUNCATED) | "[\"/*\\r\\n\\r\\n\\r\\nWebsite - https://www.game-of-dragons.com/\\r\\nTelegram - @GameOfDragons\\r(...TRUNCATED) |
8
|
OxMeta
|
0xb0d3688b175590318448a9e76611769fa8cb80a6
| "// SPDX-License-Identifier: MIT\r\n// https://www.0xmeta.info/\r\n\r\n\r\n\r\n\r\n\r\npragma solidi(...TRUNCATED) | " /**\r\n * @dev Returns the number of decimals used to get its user representation.\r\n (...TRUNCATED) | "[\"// SPDX-License-Identifier: MIT\\r\\n// https://www.0xmeta.info/\\r\\n\\r\\n\\r\\n\\r\\n\\r\\n\\(...TRUNCATED) |
9
|
End of preview.
README.md exists but content is empty.
- Downloads last month
- 12