Contract 0xb67c014fa700e69681a673876eb8bafaa36bff71 2

 

Contract Overview

Hop Protocol: HOP - USDC Token
Balance:
0 ETH

ETH Value:
$0.00

Token:
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xf83329a61ab992d606dcb63b02da911df88fde53d1fecbfb712e6566e64f475eApprove559590422023-01-27 20:51:592 mins ago0xfccad4a5b381a70df45f49b78b49a7dbff278449 IN Hop Protocol: HOP - USDC Token0 ETH0.00003741
0x06512f791edd29b4c40a061147e7ddf7880379b53390ddb6c095cd5106a6284dApprove559467572023-01-27 19:50:221 hr 3 mins ago0x957561effea238b0c68d45e8312c60a1cb47fa81 IN Hop Protocol: HOP - USDC Token0 ETH0.00004641
0x81ff3d75741ba95a7cb982b049b8a0ad0215333a6e111843e67e52344a2508d1Approve559453472023-01-27 19:42:481 hr 11 mins ago0x5a0deafc94912c8363916b4abce9bc564af317d9 IN Hop Protocol: HOP - USDC Token0 ETH0.00004719
0xb5821e3a1ec93be156123913bd9476cea248b39142b1ede6d7cdf1d8b0f55175Approve559438822023-01-27 19:34:501 hr 19 mins ago0xf7fb9ba256ba2315f225050becf7dd0ef1d1d8ac IN Hop Protocol: HOP - USDC Token0 ETH0.00005153
0x4e6860e71ed656dae13361010f60e7e141cffa19ce8b04f687b1e17322f71aa2Approve559414672023-01-27 19:21:201 hr 32 mins ago0x918c3e61d918dd87e223fa61fad62f1c8981ee9c IN Hop Protocol: HOP - USDC Token0 ETH0.00005229
0x12fe3ef59f43d4668827166bbdd84bd968f72776a560f014051d1fd6b139f70dApprove559409362023-01-27 19:18:191 hr 35 mins ago0x3bb8ad79e5caa78e2bf96217fa4e5c9ebc9d2a25 IN Hop Protocol: HOP - USDC Token0 ETH0.00005229
0x272701e5f4fc67782e398f12475d4ec59e3d20069f7a5f236340ca0593ee9c57Approve559355762023-01-27 18:48:442 hrs 5 mins ago0x580a5b2f32bd14af9da1e01ef41feb754f78c350 IN Hop Protocol: HOP - USDC Token0 ETH0.00005818
0x7d331346f3512b952c0380adb92a0f91baa1950a021db7134b1ac188ef43a8efApprove559316292023-01-27 18:26:502 hrs 27 mins ago0x2bb4c7956fb85564d540b8d453f8a10d7383d1b7 IN Hop Protocol: HOP - USDC Token0 ETH0.00006728
0x25472726db9dad440dffadd3e56fac10445e26d2bbe92d734856b39055bd039eApprove559283642023-01-27 18:08:572 hrs 45 mins ago0x3be234e22601645afcd2293071dee99988f57b98 IN Hop Protocol: HOP - USDC Token0 ETH0.00005631
0xeff3d250a6194e713c4524f5073456b05fc6c79ff81d9451a1d011e048103436Approve559256832023-01-27 17:55:142 hrs 58 mins ago0xb4b235ee715c7e1246b83c1e3dcf83e4698c4261 IN Hop Protocol: HOP - USDC Token0 ETH0.00007113
0x2f0dcd524daff6e09e02f76e6b016b19e6403f0908db16994c2f9e68d3f4a998Approve559245502023-01-27 17:50:023 hrs 4 mins ago0xd06a36699e8755bd2c8f81cec9309d3e3a98d004 IN Hop Protocol: HOP - USDC Token0 ETH0.00007222
0x9d69e74864abdb9f06fc11dda0812a63261ff629428efe0b6fa177087cb6e0e7Approve559211412023-01-27 17:31:553 hrs 22 mins ago0x583d28d561add55a08552701d7b1e49efb0498bc IN Hop Protocol: HOP - USDC Token0 ETH0.00007802
0xd80c4c22b8f4b4ccda5bec2d54dda991efae246869e978620eee6d19658bc726Approve559182142023-01-27 17:16:413 hrs 37 mins ago0x019ee51c92802065c935dcb8f793016ec31e1e55 IN Hop Protocol: HOP - USDC Token0 ETH0.00007489
0x726451f537140dcd5b4f1a3d8faaddd342b210cdb3297108223bc73e37534a53Approve559154602023-01-27 17:02:173 hrs 51 mins ago0xeeb07df2bb91c31a332dbe0c23e495babb2b6276 IN Hop Protocol: HOP - USDC Token0 ETH0.00005579
0xde117d5dfe3e6a3ae7c5eb289626286dda10ac08dc0d8dd8b0929b266cd2ee23Approve559122262023-01-27 16:46:214 hrs 7 mins ago0x4cd7e33f7f513330fef4a1f15ff81830d51fefc5 IN Hop Protocol: HOP - USDC Token0 ETH0.00009629
0xf48784296a4e9a10a5dddaf64f9626f69071c89a1f162f7ddc0cf5e414905027Approve559095222023-01-27 16:32:544 hrs 21 mins ago0x35b389f445cd57779c1bbc6b08bb442a6b032151 IN Hop Protocol: HOP - USDC Token0 ETH0.00007797
0x73262914497b3a73481b8632b25e557bcb8df73e847296b92544a349d6b8b2b2Approve559048322023-01-27 16:09:204 hrs 44 mins ago0xcae11f36afb6ef51d68917f865362623ff1231c8 IN Hop Protocol: HOP - USDC Token0 ETH0.00005874
0x0b3d4a3869cb8f889dae6be905bd1809b74d2adccc48ed2ddb9a3c1fd29a9df1Approve558931192023-01-27 15:15:345 hrs 38 mins ago0x194d6d87b85a41e743254225561866888f278e80 IN Hop Protocol: HOP - USDC Token0 ETH0.0000342
0x642d6d6eb8105d3325cae9abd33a35d6a2dfbac92fc5a6389ec765cae43a1ff5Approve558930122023-01-27 15:15:055 hrs 39 mins ago0x2d71a67d4ee87b23fdc952ccaeb698d3255ec319 IN Hop Protocol: HOP - USDC Token0 ETH0.00003436
0x63079d057c184184ebe062697cbaf46e1de7b42ed8b2c55a21c4c3e947f6757cApprove558738542023-01-27 13:45:387 hrs 8 mins ago0x25421b9329a3ba2c41390bd923e11d45d23cc3c5 IN Hop Protocol: HOP - USDC Token0 ETH0.00002841
0xbbe936516020c5e479716799dea53b8adac24f19b64d6cd8f160e934fd8b2935Approve558738492023-01-27 13:45:377 hrs 8 mins ago0x10936eaaeafd7b02f8f2fcddec5cffd3166eec3b IN Hop Protocol: HOP - USDC Token0 ETH0.00002841
0xf33b551b7e675b10ee2119fa51a912aabd244b8afdb31bcfb90e12081ec57676Approve558730692023-01-27 13:41:447 hrs 12 mins ago0x3fe9dca80c6eb7090fbe2d3e060d73e9e51055ce IN Hop Protocol: HOP - USDC Token0 ETH0.00002609
0x5d2cd536937fb4aa8623f7e8602ae5be1c99489e8cf5a21a0a9fc61cf14a8664Approve558719492023-01-27 13:36:087 hrs 17 mins ago0x2d9229cd8cc7e0e069bc4dc3a26f6dd91c2565be IN Hop Protocol: HOP - USDC Token0 ETH0.00002745
0x0b989d91d4a2fbf4bd7f6c902c1ca1c44a069d2be292ab1e1392a2c39531d76eApprove558713872023-01-27 13:33:297 hrs 20 mins ago0x1a07805463966aa704db188b85d019d4f6617e35 IN Hop Protocol: HOP - USDC Token0 ETH0.00002745
0x8369a03717535117f3ef430804e2d6ff5b1ed819c436ee50997f711616fa8063Approve558704322023-01-27 13:29:157 hrs 24 mins ago0x550d923bf2e0a24e909f536131ee84e1c0aed47e IN Hop Protocol: HOP - USDC Token0 ETH0.00002945
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OVERVIEW

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.

Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xd9012137e8c94a4c3d05e04469047c7bb7335e52c9acb78e4c429f88dc4ca016559594262023-01-27 20:53:5610 secs ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0xd9012137e8c94a4c3d05e04469047c7bb7335e52c9acb78e4c429f88dc4ca016559594262023-01-27 20:53:5610 secs ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0xd9012137e8c94a4c3d05e04469047c7bb7335e52c9acb78e4c429f88dc4ca016559594262023-01-27 20:53:5610 secs ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0xd9012137e8c94a4c3d05e04469047c7bb7335e52c9acb78e4c429f88dc4ca016559594262023-01-27 20:53:5610 secs ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0xd9012137e8c94a4c3d05e04469047c7bb7335e52c9acb78e4c429f88dc4ca016559594262023-01-27 20:53:5610 secs ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x6a0a531141a6d5d48a87c9450028f743d9c28d6bda6573db8ee0fcbecf1a55cf559593532023-01-27 20:53:3729 secs ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0x6a0a531141a6d5d48a87c9450028f743d9c28d6bda6573db8ee0fcbecf1a55cf559593532023-01-27 20:53:3729 secs ago Hop Protocol: USDC Rewards ContractsHop Protocol: HOP - USDC Token0 ETH
0x58c67207f6bb06f408e9c46a9920bb00bad1d5cf1d342fd4e4a1b1633607b8b0559591042023-01-27 20:52:171 min ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x58c67207f6bb06f408e9c46a9920bb00bad1d5cf1d342fd4e4a1b1633607b8b0559591042023-01-27 20:52:171 min ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0x58c67207f6bb06f408e9c46a9920bb00bad1d5cf1d342fd4e4a1b1633607b8b0559591042023-01-27 20:52:171 min ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x58c67207f6bb06f408e9c46a9920bb00bad1d5cf1d342fd4e4a1b1633607b8b0559591042023-01-27 20:52:171 min ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x58c67207f6bb06f408e9c46a9920bb00bad1d5cf1d342fd4e4a1b1633607b8b0559591042023-01-27 20:52:171 min ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x55b96a5e0bbd5a83ab03b9db7db1d0d473ef635ebd0806c5bb293462ef4432d6559580752023-01-27 20:47:146 mins ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0x55b96a5e0bbd5a83ab03b9db7db1d0d473ef635ebd0806c5bb293462ef4432d6559580752023-01-27 20:47:146 mins ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x55b96a5e0bbd5a83ab03b9db7db1d0d473ef635ebd0806c5bb293462ef4432d6559580752023-01-27 20:47:146 mins ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x4fe784583decb59256191ff720a083ed22ec51c5762695b3cb82df8778aa7b09559565602023-01-27 20:39:0515 mins ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0x4fe784583decb59256191ff720a083ed22ec51c5762695b3cb82df8778aa7b09559565602023-01-27 20:39:0515 mins ago 0xf0dff68309ea6fcb12a5b184c2d736795264f9e5Hop Protocol: HOP - USDC Token0 ETH
0xbf07a421faeabd9773fbfe2a78b8608bc96ef6e9d5b90cc6e7606bca66afa017559528152023-01-27 20:19:3334 mins ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0xbf07a421faeabd9773fbfe2a78b8608bc96ef6e9d5b90cc6e7606bca66afa017559528152023-01-27 20:19:3334 mins ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0xbf07a421faeabd9773fbfe2a78b8608bc96ef6e9d5b90cc6e7606bca66afa017559528152023-01-27 20:19:3334 mins ago Hop Protocol: USDC Liquidity PoolHop Protocol: HOP - USDC Token0 ETH
0x183ddb76a2791f4bc803f0f1b16eb9151a7085be45c6bf6f4f3b1b3126132c5b559518772023-01-27 20:15:0738 mins ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0x183ddb76a2791f4bc803f0f1b16eb9151a7085be45c6bf6f4f3b1b3126132c5b559518772023-01-27 20:15:0738 mins ago 0xf0dff68309ea6fcb12a5b184c2d736795264f9e5Hop Protocol: HOP - USDC Token0 ETH
0xf9ad8ab03f0d1720087ab6ddd2c7946773a13b08ea3d6d75b5c60e640520d343559514582023-01-27 20:13:0940 mins ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
0xf9ad8ab03f0d1720087ab6ddd2c7946773a13b08ea3d6d75b5c60e640520d343559514582023-01-27 20:13:0940 mins ago Hop Protocol: USDC Rewards ContractsHop Protocol: HOP - USDC Token0 ETH
0xfc572c593ff2bb7c6bcae58fea8cb3719967a3c272aeb0bfc4ed96eddba0d1e9559513602023-01-27 20:12:4041 mins ago Hop Protocol: HOP - USDC Token Hop Protocol: USDC Liquidity Pool0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
LPToken

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 50000 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Arbiscan on 2022-02-28
*/

// 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;
    }
}


/**
 * @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 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);
    }
}

/**
 * @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;
    }
}

interface IAllowlist {
    function getPoolAccountLimit(address poolAddress)
        external
        view
        returns (uint256);

    function getPoolCap(address poolAddress) external view returns (uint256);

    function verifyAddress(address account, bytes32[] calldata merkleProof)
        external
        returns (bool);
}

interface ISwap {
    // pool data view functions
    function getA() external view returns (uint256);

    function getAllowlist() external view returns (IAllowlist);

    function getToken(uint8 index) external view returns (IERC20);

    function getTokenIndex(address tokenAddress) external view returns (uint8);

    function getTokenBalance(uint8 index) external view returns (uint256);

    function getVirtualPrice() external view returns (uint256);

    function isGuarded() external view returns (bool);

    // min return calculation functions
    function calculateSwap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);

    function calculateTokenAmount(uint256[] calldata amounts, bool deposit)
        external
        view
        returns (uint256);

    function calculateRemoveLiquidity(uint256 amount)
        external
        view
        returns (uint256[] memory);

    function calculateRemoveLiquidityOneToken(
        uint256 tokenAmount,
        uint8 tokenIndex
    ) external view returns (uint256 availableTokenAmount);

    // state modifying functions
    function initialize(
        IERC20[] memory pooledTokens,
        uint8[] memory decimals,
        string memory lpTokenName,
        string memory lpTokenSymbol,
        uint256 a,
        uint256 fee,
        uint256 adminFee,
        uint256 withdrawFee
    ) external;

    function swap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx,
        uint256 minDy,
        uint256 deadline
    ) external returns (uint256);

    function addLiquidity(
        uint256[] calldata amounts,
        uint256 minToMint,
        uint256 deadline
    ) external returns (uint256);

    function removeLiquidity(
        uint256 amount,
        uint256[] calldata minAmounts,
        uint256 deadline
    ) external returns (uint256[] memory);

    function removeLiquidityOneToken(
        uint256 tokenAmount,
        uint8 tokenIndex,
        uint256 minAmount,
        uint256 deadline
    ) external returns (uint256);

    function removeLiquidityImbalance(
        uint256[] calldata amounts,
        uint256 maxBurnAmount,
        uint256 deadline
    ) external returns (uint256);

    // withdraw fee update function
    function updateUserWithdrawFee(address recipient, uint256 transferAmount)
        external;
}

/**
 * @title Liquidity Provider Token
 * @notice This token is an ERC20 detailed token with added capability to be minted by the owner.
 * It is used to represent user's shares when providing liquidity to swap contracts.
 */
contract LPToken is ERC20Burnable, Ownable {
    using SafeMath for uint256;

    // Address of the swap contract that owns this LP token. When a user adds liquidity to the swap contract,
    // they receive a proportionate amount of this LPToken.
    ISwap public swap;

    /**
     * @notice Deploys LPToken contract with given name, symbol, and decimals
     * @dev the caller of this constructor will become the owner of this contract
     * @param name_ name of this token
     * @param symbol_ symbol of this token
     * @param decimals_ number of decimals this token will be based on
     */
    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_
    ) public ERC20(name_, symbol_) {
        _setupDecimals(decimals_);
        swap = ISwap(_msgSender());
    }

    /**
     * @notice Mints the given amount of LPToken to the recipient.
     * @dev only owner can call this mint function
     * @param recipient address of account to receive the tokens
     * @param amount amount of tokens to mint
     */
    function mint(address recipient, uint256 amount) external onlyOwner {
        require(amount != 0, "amount == 0");
        _mint(recipient, amount);
    }

    /**
     * @dev Overrides ERC20._beforeTokenTransfer() which get called on every transfers including
     * minting and burning. This ensures that swap.updateUserWithdrawFees are called everytime.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal override(ERC20) {
        super._beforeTokenTransfer(from, to, amount);
        swap.updateUserWithdrawFee(to, amount);
    }
}

Contract ABI

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000011486f702055534443204c5020546f6b656e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b484f502d4c502d55534443000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : name_ (string): Hop USDC LP Token
Arg [1] : symbol_ (string): HOP-LP-USDC
Arg [2] : decimals_ (uint8): 18

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000011
Arg [4] : 486f702055534443204c5020546f6b656e000000000000000000000000000000
Arg [5] : 000000000000000000000000000000000000000000000000000000000000000b
Arg [6] : 484f502d4c502d55534443000000000000000000000000000000000000000000


Deployed ByteCode Sourcemap

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Metadata Hash

18cb8313ff2fa133a71bd08a8765ccd8326aa6a9a4dda5e60723cf0e43596bab
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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