Feature Tip: Add private address tag to any address under My Name Tag !
ERC-20
Marketplace
Overview
Max Total Supply
193,578,192 DFYN
Holders
4,148 (0.00%)
Market
Price
$0.01 @ 0.000002 ETH (+2.64%)
Onchain Market Cap
$1,696,333.44
Circulating Supply Market Cap
$1,686,675.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
612.952855635636363268 DFYNValue
$5.37 ( ~0.00140143879393467 Eth) [0.0003%]Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
DFYNToken
Compiler Version
v0.6.12+commit.27d51765
Optimization Enabled:
Yes with 1000000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
/** ``..-------..` `.:/+ooooooooooooooooo+/-.` `-:+ooooooooooooooooooooooooooo+:. `-/ooooooooooooooooooooooooooooooooooo/. .:+oooooooooooooooooooooooooooooooooooooooo:` ./++++++++++o++:::::::::://++oooooooooooooooooo:` `:++++++++++++++- `.:/oooooooooooooooo- .+++++++++++++++/ `/ooooooooooooooo+` -++++++++++++++++. .oooooooooooooooo. :++++++++++++++++/ -oooooooooooooooo. -+++++++++++++++++. +oooooooooooooooo. .+++++++++++++++++: +oooooooooooooooo+ /+++++++++++++++++` +ooooooooooooooooo: .+++++++++++++++++: .ooooooooooooooooooo :+++++++++++++++++` `+ooooooooooooooooooo- /++++++++++++++++- `/+ooooooooooooooooooo: /++++++++++++++++ `````````-+oooooooooo/ /+++++++++++++++- .+oooooooooooo/ :++++++++++++++/ .+oooooooooooooo- -++++++++++++++:.............. -+oooooooooooooooo` `/+++++++++++++++++++++++++++/ -+++ooooooooooooooo/ -+++++++++++++++++++++++++++. -++++++oooooooooooooo. /+++++++++++++++++++++++++/ -++++++++ooooooooooooo: `/++++++++++++++++++++++++. -+++++++++++ooooooooooo/ `/++++++++++++++++++++++: -+++++++++++++oooooooooo/ :+++++++++++++++++++++` -+++++++++++++++ooooooooo- ./++++++++++++++++++: `-+++++++++++++++++ooooooo+. `-/++++++++++++++++` `-+++++++++++++++++++ooooo+- `-++++++++++++++: `-+++++++++++++++++++++ooo+- -/+++++++++++.:++++++++++++++++++++++++/. `-/+++++++++++++++++++++++++++++++/-` .-:/+++++++++++++++++++++/:-` `.-:::///////:::-.` */ // File: @openzeppelin/contracts/GSN/Context.sol // SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <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 GSN 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 payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts/token/ERC20/IERC20.sol pragma solidity >=0.6.0 <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); } // File: @openzeppelin/contracts/math/SafeMath.sol pragma solidity >=0.6.0 <0.8.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @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) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @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 sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @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) { // 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 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts 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) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts 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 mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol pragma solidity >=0.6.0 <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.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of 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 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view 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 {_setupDecimals} is * called. * * 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 returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view 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); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); 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].add(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) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is 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); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(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: * * - `to` 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 = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(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); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(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 Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @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 to 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 { } } // File: @openzeppelin/contracts/token/ERC20/ERC20Burnable.sol pragma solidity >=0.6.0 <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 { using SafeMath for uint256; /** * @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 { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } } // File: @openzeppelin/contracts/access/Ownable.sol pragma solidity >=0.6.0 <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 () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view 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 { emit OwnershipTransferred(_owner, address(0)); _owner = 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"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // File: @openzeppelin/contracts/utils/Counters.sol pragma solidity >=0.6.0 <0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented or decremented by one. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` * Since it is not possible to overflow a 256 bit integer with increments of one, `increment` can skip the {SafeMath} * overflow check, thereby saving gas. This does assume however correct usage, in that the underlying `_value` is never * directly accessed. */ library Counters { using SafeMath for uint256; struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { // The {SafeMath} overflow check can be skipped here, see the comment at the top counter._value += 1; } function decrement(Counter storage counter) internal { counter._value = counter._value.sub(1); } } // File: contracts/IERC20Permit.sol pragma solidity ^0.6.0; // A copy of https://github.com/OpenZeppelin/openzeppelin-contracts/blob/ecc66719bd7681ed4eb8bf406f89a7408569ba9b/contracts/drafts/IERC20Permit.sol /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over `owner`'s tokens, * given `owner`'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for `permit`, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); } // File: contracts/ECDSA.sol pragma solidity ^0.6.0; // A copy of https://github.com/OpenZeppelin/openzeppelin-contracts/blob/ecc66719bd7681ed4eb8bf406f89a7408569ba9b/contracts/cryptography/ECDSA.sol /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { // Check the signature length if (signature.length != 65) { revert("ECDSA: invalid signature length"); } // Divide the signature in r, s and v variables bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solhint-disable-next-line no-inline-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return recover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover-bytes32-bytes-} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "ECDSA: invalid signature s value"); require(v == 27 || v == 28, "ECDSA: invalid signature v value"); // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); require(signer != address(0), "ECDSA: invalid signature"); return signer; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * replicates the behavior of the * https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign[`eth_sign`] * JSON-RPC method. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } } // File: contracts/EIP712.sol pragma solidity ^0.6.0; // A copy of https://github.com/OpenZeppelin/openzeppelin-contracts/blob/ecc66719bd7681ed4eb8bf406f89a7408569ba9b/contracts/drafts/EIP712.sol /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible, * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding * they need in their contracts using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. */ abstract contract EIP712 { /* solhint-disable var-name-mixedcase */ // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. bytes32 private immutable _CACHED_DOMAIN_SEPARATOR; uint256 private immutable _CACHED_CHAIN_ID; bytes32 private immutable _HASHED_NAME; bytes32 private immutable _HASHED_VERSION; bytes32 private immutable _TYPE_HASH; /* solhint-enable var-name-mixedcase */ /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ constructor(string memory name, string memory version) internal { bytes32 hashedName = keccak256(bytes(name)); bytes32 hashedVersion = keccak256(bytes(version)); bytes32 typeHash = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); _HASHED_NAME = hashedName; _HASHED_VERSION = hashedVersion; _CACHED_CHAIN_ID = _getChainId(); _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion); _TYPE_HASH = typeHash; } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (_getChainId() == _CACHED_CHAIN_ID) { return _CACHED_DOMAIN_SEPARATOR; } else { return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION); } } function _buildDomainSeparator(bytes32 typeHash, bytes32 name, bytes32 version) private view returns (bytes32) { return keccak256( abi.encode( typeHash, name, version, _getChainId(), address(this) ) ); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", _domainSeparatorV4(), structHash)); } function _getChainId() private pure returns (uint256 chainId) { // solhint-disable-next-line no-inline-assembly assembly { chainId := chainid() } } } // File: contracts/ERC20Permit.sol pragma solidity ^0.6.0; // An adapted copy of https://github.com/OpenZeppelin/openzeppelin-contracts/blob/ecc66719bd7681ed4eb8bf406f89a7408569ba9b/contracts/drafts/ERC20Permit.sol /** * @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712 { using Counters for Counters.Counter; mapping (address => Counters.Counter) private _nonces; // solhint-disable-next-line var-name-mixedcase bytes32 private immutable _PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); /** * @dev See {IERC20Permit-permit}. */ function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public virtual override { // solhint-disable-next-line not-rely-on-time require(block.timestamp <= deadline, "ERC20Permit: expired deadline"); bytes32 structHash = keccak256( abi.encode( _PERMIT_TYPEHASH, owner, spender, value, _nonces[owner].current(), deadline ) ); bytes32 hash = _hashTypedDataV4(structHash); address signer = ECDSA.recover(hash, v, r, s); require(signer == owner, "ERC20Permit: invalid signature"); _nonces[owner].increment(); _approve(owner, spender, value); } /** * @dev See {IERC20Permit-nonces}. */ function nonces(address owner) public view override returns (uint256) { return _nonces[owner].current(); } /** * @dev See {IERC20Permit-DOMAIN_SEPARATOR}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view override returns (bytes32) { return _domainSeparatorV4(); } } // File: contracts/DFYN.sol pragma solidity ^0.6.0; contract DFYNToken is ERC20Permit, ERC20Burnable, Ownable { constructor(address _owner) public ERC20("DFYN Token", "DFYN") EIP712("DFYN Token", "1") { _mint(_owner, 2.5e8 ether); transferOwnership(_owner); } function mint(address to, uint256 amount) external onlyOwner { _mint(to, amount); } }
{ "remappings": [], "optimizer": { "enabled": true, "runs": 1000000 }, "evmVersion": "istanbul", "libraries": {}, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","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":[{"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":"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":"DOMAIN_SEPARATOR","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":"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":"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":[{"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":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","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":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","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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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000899bfba3fbd79b80d35e9fb4dd594efd8d76f283
-----Decoded View---------------
Arg [0] : _owner (address): 0x899BfBA3FbD79B80D35e9Fb4dd594eFD8d76f283
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000899bfba3fbd79b80d35e9fb4dd594efd8d76f283
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.