Overview
ETH Balance
0 ETH
Eth Value
$0.00More Info
Private Name Tags
ContractCreator
Multi Chain
Multichain Addresses
2 addresses found via
Latest 21 internal transactions
Advanced mode:
Parent Txn Hash | Block | From | To | Value | ||
---|---|---|---|---|---|---|
17139577 | 216 days 8 mins ago | Contract Creation | 0 ETH | |||
17139129 | 216 days 1 hr ago | Contract Creation | 0 ETH | |||
16442721 | 314 days 49 mins ago | Contract Creation | 0 ETH | |||
16435909 | 314 days 23 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
16377287 | 323 days 4 hrs ago | Contract Creation | 0 ETH | |||
15769971 | 407 days 23 hrs ago | Contract Creation | 0 ETH | |||
15769970 | 407 days 23 hrs ago | Contract Creation | 0 ETH | |||
15769970 | 407 days 23 hrs ago | Contract Creation | 0 ETH | |||
15478535 | 450 days 4 hrs ago | Contract Creation | 0 ETH | |||
15478474 | 450 days 4 hrs ago | Contract Creation | 0 ETH | |||
15478430 | 450 days 4 hrs ago | Contract Creation | 0 ETH | |||
15478390 | 450 days 5 hrs ago | Contract Creation | 0 ETH | |||
15259390 | 484 days 20 hrs ago | Contract Creation | 0 ETH | |||
15234007 | 488 days 19 hrs ago | Contract Creation | 0 ETH |
Loading...
Loading
Contract Name:
FlashFTokenFactory
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 800 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.4; import "@openzeppelin/contracts/access/Ownable.sol"; import "./interfaces/IFlashFTokenFactory.sol"; import "./FlashFToken.sol"; contract FlashFTokenFactory is Ownable, IFlashFTokenFactory { event FTokenCreated(address _tokenAddress); constructor() public {} function createFToken(string calldata _fTokenName, string calldata _fTokenSymbol) external onlyOwner returns (address) { FlashFToken flashFToken = new FlashFToken(_fTokenName, _fTokenSymbol); flashFToken.transferOwnership(msg.sender); emit FTokenCreated(address(flashFToken)); return address(flashFToken); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; interface IFlashFTokenFactory { function createFToken(string calldata _fTokenName, string calldata _fTokenSymbol) external returns (address); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/draft-ERC20Permit.sol"; contract FlashFToken is ERC20, ERC20Burnable, ERC20Permit, Ownable { constructor(string memory _tokenName, string memory _tokenSymbol) ERC20(_tokenName, _tokenSymbol) ERC20Permit(_tokenName) {} function mint(address to, uint256 amount) public onlyOwner { _mint(to, amount); } }
// SPDX-License-Identifier: MIT // 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; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; import "./IERC20.sol"; import "./extensions/IERC20Metadata.sol"; import "../../utils/Context.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `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 `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `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; } _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; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev 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 {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/extensions/ERC20Burnable.sol) pragma solidity ^0.8.0; import "../ERC20.sol"; import "../../../utils/Context.sol"; /** * @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); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/extensions/draft-ERC20Permit.sol) pragma solidity ^0.8.0; import "./draft-IERC20Permit.sol"; import "../ERC20.sol"; import "../../../utils/cryptography/draft-EIP712.sol"; import "../../../utils/cryptography/ECDSA.sol"; import "../../../utils/Counters.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. * * _Available since v3.4._ */ 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 constant _PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); /** * @dev In previous versions `_PERMIT_TYPEHASH` was declared as `immutable`. * However, to ensure consistency with the upgradeable transpiler, we will continue * to reserve a slot. * @custom:oz-renamed-from _PERMIT_TYPEHASH */ // solhint-disable-next-line var-name-mixedcase bytes32 private _PERMIT_TYPEHASH_DEPRECATED_SLOT; /** * @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`. * * It's a good idea to use the same `name` that is defined as the ERC20 token name. */ constructor(string memory name) EIP712(name, "1") {} /** * @dev See {IERC20Permit-permit}. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) public virtual override { require(block.timestamp <= deadline, "ERC20Permit: expired deadline"); bytes32 structHash = keccak256(abi.encode(_PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline)); bytes32 hash = _hashTypedDataV4(structHash); address signer = ECDSA.recover(hash, v, r, s); require(signer == owner, "ERC20Permit: invalid signature"); _approve(owner, spender, value); } /** * @dev See {IERC20Permit-nonces}. */ function nonces(address owner) public view virtual 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(); } /** * @dev "Consume a nonce": return the current value and increment. * * _Available since v4.1._ */ function _useNonce(address owner) internal virtual returns (uint256 current) { Counters.Counter storage nonce = _nonces[owner]; current = nonce.current(); nonce.increment(); } }
// SPDX-License-Identifier: MIT // 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^0.8.0; /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol) pragma solidity ^0.8.0; import "./ECDSA.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]. * * _Available since v3.4._ */ 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; address private immutable _CACHED_THIS; 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) { 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 = block.chainid; _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion); _CACHED_THIS = address(this); _TYPE_HASH = typeHash; } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (address(this) == _CACHED_THIS && block.chainid == _CACHED_CHAIN_ID) { return _CACHED_DOMAIN_SEPARATOR; } else { return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION); } } function _buildDomainSeparator( bytes32 typeHash, bytes32 nameHash, bytes32 versionHash ) private view returns (bytes32) { return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, 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 virtual returns (bytes32) { return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.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 { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } else if (error == RecoverError.InvalidSignatureV) { revert("ECDSA: invalid signature 'v' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. 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. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { // Check the signature length // - case 65: r,s,v signature (standard) // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._ if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else if (signature.length == 64) { bytes32 r; bytes32 vs; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly { r := mload(add(signature, 0x20)) vs := mload(add(signature, 0x40)) } return tryRecover(hash, r, vs); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @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) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // 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 (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): 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. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } if (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * 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)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. 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;` */ library Counters { 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 { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @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] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
{ "metadata": { "bytecodeHash": "none" }, "optimizer": { "enabled": true, "runs": 800 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_tokenAddress","type":"address"}],"name":"FTokenCreated","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"},{"inputs":[{"internalType":"string","name":"_fTokenName","type":"string"},{"internalType":"string","name":"_fTokenSymbol","type":"string"}],"name":"createFToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"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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
Loading...
Loading
Loading...
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.
[ Download: CSV Export ]
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.