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- ERC-20 Tokens (55)3.816648 USDC.eUSD Coin (Po... (USDC.e)$3.82@0.999743,767 AAVE [ACCESS AAVE.ASIA]! AAVE.asia (AAVE [...)1 claim rewards on debridgether.comAcces debrid... (claim ...)300,000 MNEPMinereum Polygon888,888 vanity-address.iovanity-addre... (vanity...)0.1 YOUMEMEYouMeme.com ... (YOUMEM...)714,707 TokenERC-20 TOKEN*[Suspicious]724,900 TokenERC-20 TOKEN*[Suspicious]745,900 TokenERC-20 TOKEN*[Suspicious]9,543 TokenERC-20 TOKEN*[Suspicious]9,543 TokenERC-20 TOKEN*[Suspicious]7,800 TokenERC-20 TOKEN*[Suspicious]3,680 TokenERC-20 TOKEN*[Suspicious]989 TokenERC-20 TOKEN*[Suspicious]1 TokenERC-20 TOKEN*[Suspicious]1 TokenERC-20 TOKEN*[Suspicious]1 TokenERC-20 TOKEN*[Suspicious]60,000 TokenERC-20 TOKEN*[Suspicious]1 TokenERC-20 TOKEN*[Suspicious]1 TokenERC-20 TOKEN*[Suspicious]1 TokenERC-20 TOKEN*[Suspicious]10,000 TokenERC-20 TOKEN*[Unsafe]10,000 TokenERC-20 TOKEN*[Unsafe]90,000,000 TokenERC-20 TOKEN*[Spam]90,000,000 TokenERC-20 TOKEN*[Spam]550,000 TokenERC-20 TOKEN*[Spam]8,726 TokenERC-20 TOKEN*[Spam]8,400 TokenERC-20 TOKEN*[Spam]8,273 TokenERC-20 TOKEN*[Spam]8,273 TokenERC-20 TOKEN*[Spam]4,376 TokenERC-20 TOKEN*[Spam]85,600 TokenERC-20 TOKEN*[Spam]956 TokenERC-20 TOKEN*[Spam]8,750 TokenERC-20 TOKEN*[Spam]175,900 TokenERC-20 TOKEN*[Spam]35,800 TokenERC-20 TOKEN*[Spam]9,000,000 TokenERC-20 TOKEN*[Spam]9,000,000 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]22,631 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]9,860 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]1 TokenERC-20 TOKEN*[Spam]956 TokenERC-20 TOKEN*[Spam]50,000 TokenERC-20 TOKEN*[Spam]NFT Tokens (17)Vouchers5 stETH EventERC-1155NFTVoucher5000$ CYBERERC-1155Vouchers50M $SHIB VoucherERC-1155APE COINAPE NFT TICKETSERC-1155UNI-V3-PoSUniswap V3 Positions NFT-V1ERC-1155UNI-V3-PoSUniswap V3 Positions NFT-V1ERC-1155ERC-1155 TOKEN*[Suspicious]ERC-1155 TOKEN*[Spam]ERC-1155 TOKEN*[Spam]
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Latest 25 from a total of 21,350 transactions
Transaction Hash MethodBlockFromToApprove 61944590 2024-09-17 18:19:58 6 hrs ago 1726597198 IN 0 POL$0.00 0.00070104 29 Approve 61907044 2024-09-16 19:54:12 28 hrs ago 1726516452 IN 0 POL$0.00 0.00138474 30 Approve 61895143 2024-09-16 12:48:17 35 hrs ago 1726490897 IN 0 POL$0.00 0.00177735 38.25724003 Approve 61894826 2024-09-16 12:37:03 35 hrs ago 1726490223 IN 0 POL$0.00 0.00139374 30 Approve 61889701 2024-09-16 9:31:57 38 hrs ago 1726479117 IN 0 POL$0.00 0.00138474 30 Approve 61882557 2024-09-16 5:17:11 43 hrs ago 1726463831 IN 0 POL$0.00 0.00167248 36.00000001 Approve 61872481 2024-09-15 23:17:43 2 days ago 1726442263 IN 0 POL$0.00 0.00138474 30.00009604 Approve 61863897 2024-09-15 18:07:37 2 days ago 1726423657 IN 0 POL$0.00 0.00079774 33.00000001 Approve 61863189 2024-09-15 17:42:00 2 days ago 1726422120 IN 0 POL$0.00 0.00152321 33.00000002 Approve 61861380 2024-09-15 16:37:45 2 days ago 1726418265 IN 0 POL$0.00 0.00138474 30.00000004 Approve 61857260 2024-09-15 14:11:38 2 days ago 1726409498 IN 0 POL$0.00 0.00152281 33.00000006 Approve 61853085 2024-09-15 11:42:36 2 days ago 1726400556 IN 0 POL$0.00 0.00079774 33.00000004 Approve 61850657 2024-09-15 10:16:37 2 days ago 1726395397 IN 0 POL$0.00 0.00153311 33.00000002 Approve 61845169 2024-09-15 7:01:07 2 days ago 1726383667 IN 0 POL$0.00 0.00139374 30.00000002 Approve 61830735 2024-09-14 22:19:09 3 days ago 1726352349 IN 0 POL$0.00 0.00066764 27.61837671 Approve 61830634 2024-09-14 22:15:35 3 days ago 1726352135 IN 0 POL$0.00 0.00128309 27.61837671 Approve 61818400 2024-09-14 14:53:05 3 days ago 1726325585 IN 0 POL$0.00 0.00162615 35.00263464 Approve 61818164 2024-09-14 14:44:20 3 days ago 1726325060 IN 0 POL$0.00 0.00083521 34.55016645 Approve 61781021 2024-09-13 16:29:20 4 days ago 1726244960 IN 0 POL$0.00 0.00970189 208.83152924 Approve 61773199 2024-09-13 11:52:18 4 days ago 1726228338 IN 0 POL$0.00 0.00141934 30.55120213 Approve 61721986 2024-09-12 5:09:34 5 days ago 1726117774 IN 0 POL$0.00 0.00072522 30.00000003 Approve 61710216 2024-09-11 22:06:33 6 days ago 1726092393 IN 0 POL$0.00 0.00139374 30.00000001 Approve 61689545 2024-09-11 9:45:03 6 days ago 1726047903 IN 0 POL$0.00 0.00079774 32.9999999 Approve 61688497 2024-09-11 9:06:40 6 days ago 1726045600 IN 0 POL$0.00 0.00139374 30 Approve 61649731 2024-09-10 10:00:04 7 days ago 1725962404 IN 0 POL$0.00 0.00139374 30 Loading...LoadingSimilar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x9ec9551d...C71b3B09DThe constructor portion of the code might be different and could alter the actual behaviour of the contractContract Name:HopBridgeToken
Compiler Versionv0.6.12+commit.27d51765
Contract Source Code (Solidity)
- - function _msgSender()
- - function _msgData()
- interface IERC20
- - function totalSupply()
- - function balanceOf(address account)
- - function transfer(address recipient, ...
- - function allowance(address owner, add ...
- - function approve(address spender, uin ...
- - function transferFrom(address sender, ...
- library SafeMath
- - function tryAdd(uint256 a, uint256 b)
- - function trySub(uint256 a, uint256 b)
- - function tryMul(uint256 a, uint256 b)
- - function tryDiv(uint256 a, uint256 b)
- - function tryMod(uint256 a, uint256 b)
- - function add(uint256 a, uint256 b)
- - function sub(uint256 a, uint256 b)
- - function mul(uint256 a, uint256 b)
- - function div(uint256 a, uint256 b)
- - function mod(uint256 a, uint256 b)
- - function sub(uint256 a, uint256 b, st ...
- - function div(uint256 a, uint256 b, st ...
- - function mod(uint256 a, uint256 b, st ...
- contract ERC20 is Context, IERC20
- - function name()
- - function symbol()
- - function decimals()
- - function totalSupply()
- - function balanceOf(address account)
- - function transfer(address recipient, ...
- - function allowance(address owner, add ...
- - function approve(address spender, uin ...
- - function transferFrom(address sender, ...
- - function increaseAllowance(address sp ...
- - function decreaseAllowance(address sp ...
- - function _transfer(address sender, ad ...
- - function _mint(address account, uint2 ...
- - function _burn(address account, uint2 ...
- - function _approve(address owner, addr ...
- - function _setupDecimals(uint8 decimal ...
- - function _beforeTokenTransfer(address ...
- - function owner()
- - function renounceOwnership()
- - function transferOwnership(address ne ...
- contract HopBridgeToken is ERC20, ... *
- - function mint(address account, uint25 ...
- - function burn(address account, uint25 ...
/** *Submitted for verification at polygonscan.com on 2021-07-25 */ // SPDX-License-Identifier: MIT pragma solidity 0.6.12; /* * @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; } } /** * @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); } /** * @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, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b > a) return (false, 0); return (true, a - b); } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a / b); } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a % b); } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { 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) { require(b <= a, "SafeMath: subtraction overflow"); return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { 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, reverting 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) { require(b > 0, "SafeMath: division by zero"); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: modulo by zero"); return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); return a - b; } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryDiv}. * * 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); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a % b; } } /** * @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 virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual 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 virtual returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _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 virtual { _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 { } } /** * @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 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 { 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; } } /** * @dev Hop Bridge Tokens or "hTokens" are layer-2 tokens that represent a deposit in the L1_Bridge * contract. Each Hop Bridge Token is a regular ERC20 that can be minted and burned by the L2_Bridge * that owns it. */ contract HopBridgeToken is ERC20, Ownable { constructor ( string memory name, string memory symbol, uint8 decimals ) public ERC20(name, symbol) { _setupDecimals(decimals); } /** * @dev Mint new hToken for the account * @param account The account being minted for * @param amount The amount being minted */ function mint(address account, uint256 amount) external onlyOwner { _mint(account, amount); } /** * @dev Burn hToken from the account * @param account The account being burned from * @param amount The amount being burned */ function burn(address account, uint256 amount) external onlyOwner { _burn(account, amount); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
[{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint8","name":"decimals","type":"uint8"}],"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":[{"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":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","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":"account","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":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","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"}]
Deployed Bytecode
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Swarm Source
ipfs://dc0b3783223eeab2eb0fda514e03bff9f5ae07b96cb39eb0c6a9a44f0a1e4d70
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Loading...LoadingLoading...LoadingLoading...LoadingLoading...LoadingOVERVIEW
Hop is a scalable rollup-to-rollup general token bridge. It allows users to send tokens from one rollup or sidechain to another almost immediately without having to wait for the networks challenge period.
Loading...LoadingMultichain Portfolio | 27 Chains
Chain Token Portfolio % Price Amount Value POL 100.00% $0.999727 3.8166 $3.82 [ 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.
Address QR Code
My Address - Private Name Tag or Note
My Name Tag:
Private Name Tags (up to 35 characters) can be used for easy identification of addressesPrivate Note:
A private note (up to 500 characters) can be attached to this address.
Please DO NOT store any passwords or private keys here.Compiler specific version warnings:
The compiled contract might be susceptible to FullInlinerNonExpressionSplitArgumentEvaluationOrder (low-severity), MissingSideEffectsOnSelectorAccess (low-severity), AbiReencodingHeadOverflowWithStaticArrayCleanup (medium-severity), DirtyBytesArrayToStorage (low-severity), DataLocationChangeInInternalOverride (very low-severity), NestedCalldataArrayAbiReencodingSizeValidation (very low-severity), SignedImmutables (very low-severity), ABIDecodeTwoDimensionalArrayMemory (very low-severity), KeccakCaching (medium-severity), EmptyByteArrayCopy (medium-severity), DynamicArrayCleanup (medium-severity) Solidity Compiler Bugs.
Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Notice
The migration from MATIC to POL is now live. To find out more, please visit Polygon Official Announcement .
Before You Copy
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