Token Ensign Token
Overview ERC-20
Price
$0.00 @ 0.000000 MATIC
Fully Diluted Market Cap
Total Supply:
100,000,000,000 EST
Holders:
178 addresses
Transfers:
-
Contract:
Decimals:
18
[ Download CSV Export ]
[ Download CSV Export ]
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Source Code Verified (Exact Match)
Contract Name:
PowerfulERC20
Compiler Version
v0.8.17+commit.8df45f5f
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2023-02-17 */ // SPDX-License-Identifier: MIT // File: @openzeppelin/contracts/token/ERC20/IERC20.sol // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the 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 `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, 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 `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); } // File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (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; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * 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: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, 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}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by // decrementing then incrementing. _balances[to] += amount; } emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; unchecked { // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above. _balances[account] += amount; } emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev 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; // Overflow not possible: amount <= accountBalance <= totalSupply. _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 Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - 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 {} } // File: @openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/extensions/ERC20Burnable.sol) pragma solidity ^0.8.0; /** * @dev Extension of {ERC20} that allows token holders to destroy both their own * tokens and those that they have an allowance for, in a way that can be * recognized off-chain (via event analysis). */ abstract contract ERC20Burnable is Context, ERC20 { /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for ``accounts``'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { _spendAllowance(account, _msgSender(), amount); _burn(account, amount); } } // File: @openzeppelin/contracts/token/ERC20/extensions/ERC20Capped.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/ERC20Capped.sol) pragma solidity ^0.8.0; /** * @dev Extension of {ERC20} that adds a cap to the supply of tokens. */ abstract contract ERC20Capped is ERC20 { uint256 private immutable _cap; /** * @dev Sets the value of the `cap`. This value is immutable, it can only be * set once during construction. */ constructor(uint256 cap_) { require(cap_ > 0, "ERC20Capped: cap is 0"); _cap = cap_; } /** * @dev Returns the cap on the token's total supply. */ function cap() public view virtual returns (uint256) { return _cap; } /** * @dev See {ERC20-_mint}. */ function _mint(address account, uint256 amount) internal virtual override { require(ERC20.totalSupply() + amount <= cap(), "ERC20Capped: cap exceeded"); super._mint(account, amount); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: erc-payable-token/contracts/token/ERC1363/IERC1363.sol pragma solidity ^0.8.0; /** * @title IERC1363 Interface * @dev Interface for a Payable Token contract as defined in * https://eips.ethereum.org/EIPS/eip-1363 */ interface IERC1363 is IERC20, IERC165 { /** * @notice Transfer tokens from `msg.sender` to another address and then call `onTransferReceived` on receiver * @param to address The address which you want to transfer to * @param amount uint256 The amount of tokens to be transferred * @return true unless throwing */ function transferAndCall(address to, uint256 amount) external returns (bool); /** * @notice Transfer tokens from `msg.sender` to another address and then call `onTransferReceived` on receiver * @param to address The address which you want to transfer to * @param amount uint256 The amount of tokens to be transferred * @param data bytes Additional data with no specified format, sent in call to `to` * @return true unless throwing */ function transferAndCall(address to, uint256 amount, bytes calldata data) external returns (bool); /** * @notice Transfer tokens from one address to another and then call `onTransferReceived` on receiver * @param from address The address which you want to send tokens from * @param to address The address which you want to transfer to * @param amount uint256 The amount of tokens to be transferred * @return true unless throwing */ function transferFromAndCall(address from, address to, uint256 amount) external returns (bool); /** * @notice Transfer tokens from one address to another and then call `onTransferReceived` on receiver * @param from address The address which you want to send tokens from * @param to address The address which you want to transfer to * @param amount uint256 The amount of tokens to be transferred * @param data bytes Additional data with no specified format, sent in call to `to` * @return true unless throwing */ function transferFromAndCall(address from, address to, uint256 amount, bytes calldata data) external returns (bool); /** * @notice Approve the passed address to spend the specified amount of tokens on behalf of msg.sender * and then call `onApprovalReceived` on spender. * 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 * @param spender address The address which will spend the funds * @param amount uint256 The amount of tokens to be spent */ function approveAndCall(address spender, uint256 amount) external returns (bool); /** * @notice Approve the passed address to spend the specified amount of tokens on behalf of msg.sender * and then call `onApprovalReceived` on spender. * 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 * @param spender address The address which will spend the funds * @param amount uint256 The amount of tokens to be spent * @param data bytes Additional data with no specified format, sent in call to `spender` */ function approveAndCall(address spender, uint256 amount, bytes calldata data) external returns (bool); } // File: erc-payable-token/contracts/token/ERC1363/IERC1363Receiver.sol pragma solidity ^0.8.0; /** * @title IERC1363Receiver Interface * @dev Interface for any contract that wants to support transferAndCall or transferFromAndCall * from ERC1363 token contracts as defined in * https://eips.ethereum.org/EIPS/eip-1363 */ interface IERC1363Receiver { /** * @notice Handle the receipt of ERC1363 tokens * @dev Any ERC1363 smart contract calls this function on the recipient * after a `transfer` or a `transferFrom`. This function MAY throw to revert and reject the * transfer. Return of other than the magic value MUST result in the * transaction being reverted. * Note: the token contract address is always the message sender. * @param spender address The address which called `transferAndCall` or `transferFromAndCall` function * @param sender address The address which are token transferred from * @param amount uint256 The amount of tokens transferred * @param data bytes Additional data with no specified format * @return `bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))` unless throwing */ function onTransferReceived( address spender, address sender, uint256 amount, bytes calldata data ) external returns (bytes4); } // File: erc-payable-token/contracts/token/ERC1363/IERC1363Spender.sol pragma solidity ^0.8.0; /** * @title IERC1363Spender Interface * @dev Interface for any contract that wants to support approveAndCall * from ERC1363 token contracts as defined in * https://eips.ethereum.org/EIPS/eip-1363 */ interface IERC1363Spender { /** * @notice Handle the approval of ERC1363 tokens * @dev Any ERC1363 smart contract calls this function on the recipient * after an `approve`. This function MAY throw to revert and reject the * approval. Return of other than the magic value MUST result in the * transaction being reverted. * Note: the token contract address is always the message sender. * @param sender address The address which called `approveAndCall` function * @param amount uint256 The amount of tokens to be spent * @param data bytes Additional data with no specified format * @return `bytes4(keccak256("onApprovalReceived(address,uint256,bytes)"))` unless throwing */ function onApprovalReceived(address sender, uint256 amount, bytes calldata data) external returns (bytes4); } // File: erc-payable-token/contracts/token/ERC1363/ERC1363.sol pragma solidity ^0.8.0; /** * @title ERC1363 * @dev Implementation of an ERC1363 interface */ abstract contract ERC1363 is ERC20, IERC1363, ERC165 { using Address for address; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1363).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Transfer tokens to a specified address and then execute a callback on `to`. * @param to The address to transfer to. * @param amount The amount to be transferred. * @return A boolean that indicates if the operation was successful. */ function transferAndCall(address to, uint256 amount) public virtual override returns (bool) { return transferAndCall(to, amount, ""); } /** * @dev Transfer tokens to a specified address and then execute a callback on `to`. * @param to The address to transfer to * @param amount The amount to be transferred * @param data Additional data with no specified format * @return A boolean that indicates if the operation was successful. */ function transferAndCall(address to, uint256 amount, bytes memory data) public virtual override returns (bool) { transfer(to, amount); require(_checkOnTransferReceived(_msgSender(), to, amount, data), "ERC1363: receiver returned wrong data"); return true; } /** * @dev Transfer tokens from one address to another and then execute a callback on `to`. * @param from The address which you want to send tokens from * @param to The address which you want to transfer to * @param amount The amount of tokens to be transferred * @return A boolean that indicates if the operation was successful. */ function transferFromAndCall(address from, address to, uint256 amount) public virtual override returns (bool) { return transferFromAndCall(from, to, amount, ""); } /** * @dev Transfer tokens from one address to another and then execute a callback on `to`. * @param from The address which you want to send tokens from * @param to The address which you want to transfer to * @param amount The amount of tokens to be transferred * @param data Additional data with no specified format * @return A boolean that indicates if the operation was successful. */ function transferFromAndCall( address from, address to, uint256 amount, bytes memory data ) public virtual override returns (bool) { transferFrom(from, to, amount); require(_checkOnTransferReceived(from, to, amount, data), "ERC1363: receiver returned wrong data"); return true; } /** * @dev Approve spender to transfer tokens and then execute a callback on `spender`. * @param spender The address allowed to transfer to * @param amount The amount allowed to be transferred * @return A boolean that indicates if the operation was successful. */ function approveAndCall(address spender, uint256 amount) public virtual override returns (bool) { return approveAndCall(spender, amount, ""); } /** * @dev Approve spender to transfer tokens and then execute a callback on `spender`. * @param spender The address allowed to transfer to. * @param amount The amount allowed to be transferred. * @param data Additional data with no specified format. * @return A boolean that indicates if the operation was successful. */ function approveAndCall(address spender, uint256 amount, bytes memory data) public virtual override returns (bool) { approve(spender, amount); require(_checkOnApprovalReceived(spender, amount, data), "ERC1363: spender returned wrong data"); return true; } /** * @dev Internal function to invoke {IERC1363Receiver-onTransferReceived} on a target address * The call is not executed if the target address is not a contract * @param sender address Representing the previous owner of the given token amount * @param recipient address Target address that will receive the tokens * @param amount uint256 The amount mount of tokens to be transferred * @param data bytes Optional data to send along with the call * @return whether the call correctly returned the expected magic value */ function _checkOnTransferReceived( address sender, address recipient, uint256 amount, bytes memory data ) internal virtual returns (bool) { if (!recipient.isContract()) { revert("ERC1363: transfer to non contract address"); } try IERC1363Receiver(recipient).onTransferReceived(_msgSender(), sender, amount, data) returns (bytes4 retval) { return retval == IERC1363Receiver.onTransferReceived.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC1363: transfer to non ERC1363Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } /** * @dev Internal function to invoke {IERC1363Receiver-onApprovalReceived} on a target address * The call is not executed if the target address is not a contract * @param spender address The address which will spend the funds * @param amount uint256 The amount of tokens to be spent * @param data bytes Optional data to send along with the call * @return whether the call correctly returned the expected magic value */ function _checkOnApprovalReceived( address spender, uint256 amount, bytes memory data ) internal virtual returns (bool) { if (!spender.isContract()) { revert("ERC1363: approve a non contract address"); } try IERC1363Spender(spender).onApprovalReceived(_msgSender(), amount, data) returns (bytes4 retval) { return retval == IERC1363Spender.onApprovalReceived.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC1363: approve a non ERC1363Spender implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; /** * @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 Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { 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); } } // File: eth-token-recover/contracts/TokenRecover.sol pragma solidity ^0.8.0; /** * @title TokenRecover * @dev Allows owner to recover any ERC20 sent into the contract */ contract TokenRecover is Ownable { /** * @dev Remember that only owner can call so be careful when use on contracts generated from other contracts. * @param tokenAddress The token contract address * @param tokenAmount Number of tokens to be sent */ function recoverERC20(address tokenAddress, uint256 tokenAmount) public virtual onlyOwner { IERC20(tokenAddress).transfer(owner(), tokenAmount); } } // File: contracts/token/ERC20/extensions/ERC20Decimals.sol pragma solidity ^0.8.0; /** * @title ERC20Decimals * @dev Extension of {ERC20} that adds decimals storage slot. */ abstract contract ERC20Decimals is ERC20 { uint8 private immutable _decimals; /** * @dev Sets the value of the `decimals`. This value is immutable, it can only be * set once during construction. */ constructor(uint8 decimals_) { _decimals = decimals_; } function decimals() public view virtual override returns (uint8) { return _decimals; } } // File: contracts/token/ERC20/extensions/ERC20Mintable.sol pragma solidity ^0.8.0; /** * @title ERC20Mintable * @dev Extension of {ERC20} that adds a minting behaviour. */ abstract contract ERC20Mintable is ERC20 { // indicates if minting is finished bool private _mintingFinished = false; /** * @dev Emitted during finish minting */ event MintFinished(); /** * @dev Tokens can be minted only before minting finished. */ modifier canMint() { require(!_mintingFinished, "ERC20Mintable: minting is finished"); _; } /** * @return if minting is finished or not. */ function mintingFinished() external view returns (bool) { return _mintingFinished; } /** * @dev Function to mint tokens. * * WARNING: it allows everyone to mint new tokens. Access controls MUST be defined in derived contracts. * * @param account The address that will receive the minted tokens * @param amount The amount of tokens to mint */ function mint(address account, uint256 amount) external canMint { _mint(account, amount); } /** * @dev Function to stop minting new tokens. * * WARNING: it allows everyone to finish minting. Access controls MUST be defined in derived contracts. */ function finishMinting() external canMint { _finishMinting(); } /** * @dev Function to stop minting new tokens. */ function _finishMinting() internal virtual { _mintingFinished = true; emit MintFinished(); } } // File: @openzeppelin/contracts/access/IAccessControl.sol // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; } // File: @openzeppelin/contracts/utils/math/Math.sol // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } } // File: @openzeppelin/contracts/access/AccessControl.sol // OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol) pragma solidity ^0.8.0; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } } // File: contracts/access/Roles.sol pragma solidity ^0.8.0; contract Roles is AccessControl { bytes32 public constant MINTER_ROLE = keccak256("MINTER"); constructor() { _grantRole(DEFAULT_ADMIN_ROLE, _msgSender()); _grantRole(MINTER_ROLE, _msgSender()); } modifier onlyMinter() { require(hasRole(MINTER_ROLE, _msgSender()), "Roles: caller does not have the MINTER role"); _; } } // File: contracts/service/ServicePayer.sol pragma solidity ^0.8.0; interface IPayable { function pay(string memory serviceName, bytes memory signature, address wallet) external payable; } /** * @title ServicePayer * @dev Implementation of the ServicePayer */ abstract contract ServicePayer { constructor(address payable receiver, string memory serviceName, bytes memory signature, address wallet) payable { IPayable(receiver).pay{value: msg.value}(serviceName, signature, wallet); } } // File: contracts/token/ERC20/PowerfulERC20.sol pragma solidity ^0.8.0; /** * @title PowerfulERC20 * @dev Implementation of the PowerfulERC20 */ contract PowerfulERC20 is ERC20Decimals, ERC20Capped, ERC20Mintable, ERC20Burnable, ERC1363, TokenRecover, Roles, ServicePayer { constructor( string memory name_, string memory symbol_, uint8 decimals_, uint256 cap_, uint256 initialBalance_, bytes memory signature_, address payable feeReceiver_ ) payable ERC20(name_, symbol_) ERC20Decimals(decimals_) ERC20Capped(cap_) ServicePayer(feeReceiver_, "PowerfulERC20", signature_, _msgSender()) { _mint(_msgSender(), initialBalance_); } function decimals() public view virtual override(ERC20, ERC20Decimals) returns (uint8) { return super.decimals(); } function supportsInterface(bytes4 interfaceId) public view virtual override(AccessControl, ERC1363) returns (bool) { return super.supportsInterface(interfaceId); } /** * @dev Function to mint tokens. * * NOTE: restricting access to addresses with MINTER role. See {ERC20Mintable-mint}. * * @param account The address that will receive the minted tokens * @param amount The amount of tokens to mint */ function _mint(address account, uint256 amount) internal override(ERC20, ERC20Capped) onlyMinter { super._mint(account, amount); } /** * @dev Function to stop minting new tokens. * * NOTE: restricting access to owner only. See {ERC20Mintable-finishMinting}. */ function _finishMinting() internal override onlyOwner { super._finishMinting(); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint8","name":"decimals_","type":"uint8"},{"internalType":"uint256","name":"cap_","type":"uint256"},{"internalType":"uint256","name":"initialBalance_","type":"uint256"},{"internalType":"bytes","name":"signature_","type":"bytes"},{"internalType":"address payable","name":"feeReceiver_","type":"address"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINTER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approveAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"approveAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"finishMinting","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintingFinished","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"recoverERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"transferAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"transferFromAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFromAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : name_ (string): Ensign Token
Arg [1] : symbol_ (string): EST
Arg [2] : decimals_ (uint8): 18
Arg [3] : cap_ (uint256): 100000000000000000000000000000
Arg [4] : initialBalance_ (uint256): 100000000000000000000000000000
Arg [5] : signature_ (bytes): 0xc13edc07871c02a1396083e2bb55d45d3e9a18d88d1551aca205c9acf970c124651953e48f072826956bbc643c17686642a3eca6321fda9d779318ce1bd2c9961c
Arg [6] : feeReceiver_ (address): 0x75eee167d2e5cc675f5b07f95d6a93e7088d6c34
-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 0000000000000000000000000000000000000001431e0fae6d7217caa0000000
Arg [4] : 0000000000000000000000000000000000000001431e0fae6d7217caa0000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000160
Arg [6] : 00000000000000000000000075eee167d2e5cc675f5b07f95d6a93e7088d6c34
Arg [7] : 000000000000000000000000000000000000000000000000000000000000000c
Arg [8] : 456e7369676e20546f6b656e0000000000000000000000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [10] : 4553540000000000000000000000000000000000000000000000000000000000
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000041
Arg [12] : c13edc07871c02a1396083e2bb55d45d3e9a18d88d1551aca205c9acf970c124
Arg [13] : 651953e48f072826956bbc643c17686642a3eca6321fda9d779318ce1bd2c996
Arg [14] : 1c00000000000000000000000000000000000000000000000000000000000000