Contract 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 18

 
Txn Hash Method
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0xa564a4f156fe1e83c3a3e823a54bfed0dd005e4bf7f44b812e585092cc67be410x8980041a10208902023-06-05 11:47:244 days 3 hrs ago0x6d72d30e0fa35581cc1ad5274513b8b25e3da6c5 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0002483581
0x4df61a55870d480169c5b4eff24d6facdc19a350b7745947e04e164da959879b0x90411a3210178862023-05-26 17:29:4213 days 21 hrs ago0x101c5f2c31fb9ec33704403a532090072f6f3a42 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.269 Ether0.0003204351
0x72d88546233592c2df3143bd688c777a38e67cdc8d23c1da20dea431b44d99c70x8980041a10172102023-05-24 14:34:0416 days 51 mins ago0x6d72d30e0fa35581cc1ad5274513b8b25e3da6c5 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0004373651
0xef29859a83a0692a6e6ccb58bd0af09bd0bdf404f7a896736331f0ce62f991540x8980041a10169922023-05-23 22:53:3516 days 16 hrs ago0x6d72d30e0fa35581cc1ad5274513b8b25e3da6c5 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0003640741
0xfeda454d2dff7a141f5f2e8ba879367ab283e3edade9670860d0dfae8816d3570x90411a3210164622023-05-22 2:00:3818 days 13 hrs ago0x76f3f64cb3cd19debee51436df630a342b736c24 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.0001 Ether0.00061931251.25
0x0d752c18f96036a4cef504424a223bafa726fd648673338f9dc8b85b4dc2ee7d0x90411a3210147472023-05-17 3:16:0923 days 12 hrs ago0x76f3f64cb3cd19debee51436df630a342b736c24 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.0001 Ether0.000718071.25
0xc8c8a3f075942843db6133b47a7b5053ba83a8cbeaae8412edba602693f1299a0x90411a3210147282023-05-17 2:04:3423 days 13 hrs ago0x76f3f64cb3cd19debee51436df630a342b736c24 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.0001 Ether0.00070418751.25
0xa778d08bef336c98260d504f6087c5b3e4eb1902235da60ec370fc98835c132f0x8980041a10145362023-05-16 7:23:0824 days 8 hrs ago0xb3cbeff0336baa4863cb51238bd6c35bdaab3d84 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0003094441
0x8eccad140f7dbfe0dfabc48e2499c4e05b267f485f3a40bcc78c7eeb2ca01db70x90411a3210108342023-05-06 7:06:1334 days 8 hrs ago0x98b147df6daed6e369391eb975ffad971347c88f IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0014912041
0xf001fd3e7067bb2c578bacc8c6ead84fe45561d0e8e927a21a3df6171d19657a0x8980041a10097032023-05-03 13:52:1537 days 1 hr ago0x05c4fa03bc7630fb3b55633afd31b3036c443fce IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0004473721
0xfe4e25f5c4d6478c8fa0846d4dff2c14ed641521cfe31fb4b22815fb66e0eac20x8980041a10097012023-05-03 13:50:1137 days 1 hr ago0x05c4fa03bc7630fb3b55633afd31b3036c443fce IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0004695441
0xea4a9be3035650523c6fbd16dd526e8b2d82cee83003fb60dae7ec44950fb3d80x90411a3210042422023-04-19 4:46:3851 days 10 hrs ago0x961b6fb7d210298b88d7e4491e907cf09c9cd61d IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.01 Ether0.0004853441
0xe61c986c859b2a296372cc2487afa96e867fc1a26a1f8f047d64560196e653b50x90411a3210037422023-04-17 18:03:3252 days 21 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0004310111
0x8b914d1e189fff14256597cb701d7a4927f45b26c9891b46348d731431d8f0b10x90411a3210037412023-04-17 18:02:5652 days 21 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0003844311
0x9ed76f4bf6d17f3470915343a2817d884a1d23a4a9684f74200efaf81308e6320x90411a3210033932023-04-17 2:32:3853 days 12 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0003896111
0xfca873038d59085107a66c1ab6f1a6f2d47d526d68adf035c93c0afa52fc1e4f0x8980041a10033722023-04-17 1:43:0853 days 13 hrs ago0xf5456eb39ef8c554ac8a4205293ea708da6c7ab7 IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0002272071
0x040c3e5eac75dbd6f04e586fac5bb7bb1c061d028503cab74464e4e7867c7f0e0x90411a3210022942023-04-14 11:00:0256 days 4 hrs ago0x3f911eb6d6cbdee710c914349a872db63de4700f IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.0177 Ether0.0003796284681.000001235
0xb34b815d0d57e5b80937c9815ab7bae3eaca08cc76b4e5297319109f984467a10x8980041a10019982023-04-13 23:49:3656 days 15 hrs ago0x98df8f57deaceb3cda505c1682af669453b6bdae IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.012 Ether0.0002444631
0xcfe9e328c21e3109a52a0bd060eb87722c031191ccd335c4538c66d4a62fc5bf0x90411a3210018972023-04-13 18:24:4256 days 21 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0004560051
0x6df1ef543defe77712d532f4e590727f63de96b20e9cc6ba2d011790e2aa29ab0x90411a3210018962023-04-13 18:23:5756 days 21 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.003 Ether0.0004264841
0x52d476fd544605bcb86bafa45b294d7d888e4a93ddbbccda1bc9090adeef81790x90411a3210016212023-04-13 8:28:4557 days 6 hrs ago0x3f911eb6d6cbdee710c914349a872db63de4700f IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0003331184111.000001235
0xd76bf7f3f39fe666eafb20d286e9da48ae4c9647e011cf0a2fea170ba87352e10x90411a329989052023-04-07 3:07:5263 days 12 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0005615181
0xeb46dcbcf4e3731b4726b0b23c6d37cba5556e697d49437e68258ef74cd22eb00x90411a329989042023-04-07 3:06:4763 days 12 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.000318791
0x376276ab0023d02ed857b5fc8cc7a95160dacf4fd58f585ca4b191a937922c800x90411a329989012023-04-07 3:04:4963 days 12 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640.0035 Ether0.0003323881
0xd2069b984735e5fa415dc3c95bd903eadd283e6b09e43a43f8c6937c499e54a90x90411a329988712023-04-07 1:10:1963 days 14 hrs ago0x43882a4049e26179942006baba5d41af70e05e9c IN  0x6352a56caadc4f1e25cd6c75970fa768a3304e640 Ether0.0004258941
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0xa564a4f156fe1e83c3a3e823a54bfed0dd005e4bf7f44b812e585092cc67be4110208902023-06-05 11:47:244 days 3 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x547b227a77813ea70aacf01212b39db7b560fa1c0 Ether
0xa564a4f156fe1e83c3a3e823a54bfed0dd005e4bf7f44b812e585092cc67be4110208902023-06-05 11:47:244 days 3 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x547b227a77813ea70aacf01212b39db7b560fa1c0 Ether
0xa564a4f156fe1e83c3a3e823a54bfed0dd005e4bf7f44b812e585092cc67be4110208902023-06-05 11:47:244 days 3 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x62a51506a3c70e0d9944bc0d35b7f3560e69039d0 Ether
0xa564a4f156fe1e83c3a3e823a54bfed0dd005e4bf7f44b812e585092cc67be4110208902023-06-05 11:47:244 days 3 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x62a51506a3c70e0d9944bc0d35b7f3560e69039d0 Ether
0xa564a4f156fe1e83c3a3e823a54bfed0dd005e4bf7f44b812e585092cc67be4110208902023-06-05 11:47:244 days 3 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0xefaeee334f0fd1712f9a8cc375f427d9cdd40d730 Ether
0xa564a4f156fe1e83c3a3e823a54bfed0dd005e4bf7f44b812e585092cc67be4110208902023-06-05 11:47:244 days 3 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0xed85325119ccfc6acb16fa931bac6378b76e46150 Ether
0x4df61a55870d480169c5b4eff24d6facdc19a350b7745947e04e164da959879b10178862023-05-26 17:29:4213 days 21 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64Null Address: 0x00...dEaD0 Ether
0x4df61a55870d480169c5b4eff24d6facdc19a350b7745947e04e164da959879b10178862023-05-26 17:29:4213 days 21 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0x9f92b2706c643ae6fdf2e9ca472f0e48497385f10.269 Ether
0x4df61a55870d480169c5b4eff24d6facdc19a350b7745947e04e164da959879b10178862023-05-26 17:29:4213 days 21 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64Null Address: 0x00...dEaD0 Ether
0x4df61a55870d480169c5b4eff24d6facdc19a350b7745947e04e164da959879b10178862023-05-26 17:29:4213 days 21 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0xed85325119ccfc6acb16fa931bac6378b76e46150 Ether
0x72d88546233592c2df3143bd688c777a38e67cdc8d23c1da20dea431b44d99c710172102023-05-24 14:34:0416 days 51 mins ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x547b227a77813ea70aacf01212b39db7b560fa1c0 Ether
0x72d88546233592c2df3143bd688c777a38e67cdc8d23c1da20dea431b44d99c710172102023-05-24 14:34:0416 days 51 mins ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x547b227a77813ea70aacf01212b39db7b560fa1c0 Ether
0x72d88546233592c2df3143bd688c777a38e67cdc8d23c1da20dea431b44d99c710172102023-05-24 14:34:0416 days 51 mins ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x62a51506a3c70e0d9944bc0d35b7f3560e69039d0 Ether
0x72d88546233592c2df3143bd688c777a38e67cdc8d23c1da20dea431b44d99c710172102023-05-24 14:34:0416 days 51 mins ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x62a51506a3c70e0d9944bc0d35b7f3560e69039d0 Ether
0x72d88546233592c2df3143bd688c777a38e67cdc8d23c1da20dea431b44d99c710172102023-05-24 14:34:0416 days 51 mins ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0xefaeee334f0fd1712f9a8cc375f427d9cdd40d730 Ether
0x72d88546233592c2df3143bd688c777a38e67cdc8d23c1da20dea431b44d99c710172102023-05-24 14:34:0416 days 51 mins ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0xed85325119ccfc6acb16fa931bac6378b76e46150 Ether
0xef29859a83a0692a6e6ccb58bd0af09bd0bdf404f7a896736331f0ce62f9915410169922023-05-23 22:53:3516 days 16 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x547b227a77813ea70aacf01212b39db7b560fa1c0 Ether
0xef29859a83a0692a6e6ccb58bd0af09bd0bdf404f7a896736331f0ce62f9915410169922023-05-23 22:53:3516 days 16 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x547b227a77813ea70aacf01212b39db7b560fa1c0 Ether
0xef29859a83a0692a6e6ccb58bd0af09bd0bdf404f7a896736331f0ce62f9915410169922023-05-23 22:53:3516 days 16 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x0e971c131bbb7347016fb24fc4b3f93f894f3e610 Ether
0xef29859a83a0692a6e6ccb58bd0af09bd0bdf404f7a896736331f0ce62f9915410169922023-05-23 22:53:3516 days 16 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e640x0e971c131bbb7347016fb24fc4b3f93f894f3e610 Ether
0xef29859a83a0692a6e6ccb58bd0af09bd0bdf404f7a896736331f0ce62f9915410169922023-05-23 22:53:3516 days 16 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0xfa9343c3897324496a05fc75abed6bac29f8a40f0 Ether
0xef29859a83a0692a6e6ccb58bd0af09bd0bdf404f7a896736331f0ce62f9915410169922023-05-23 22:53:3516 days 16 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0xed85325119ccfc6acb16fa931bac6378b76e46150 Ether
0xfeda454d2dff7a141f5f2e8ba879367ab283e3edade9670860d0dfae8816d35710164622023-05-22 2:00:3818 days 13 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64Boba Network: BOBA Token0 Ether
0xfeda454d2dff7a141f5f2e8ba879367ab283e3edade9670860d0dfae8816d35710164622023-05-22 2:00:3818 days 13 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64 0x9f92b2706c643ae6fdf2e9ca472f0e48497385f10.0001 Ether
0xfeda454d2dff7a141f5f2e8ba879367ab283e3edade9670860d0dfae8816d35710164622023-05-22 2:00:3818 days 13 hrs ago 0x6352a56caadc4f1e25cd6c75970fa768a3304e64Boba Network: BOBA Token0 Ether
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Contract Source Code Verified (Exact Match)

Contract Name:
OpenOceanExchangeProxy

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at bobascan.com on 2023-05-23
*/

/**
 *Submitted for verification at BscScan.com on 2021-09-18
*/

// File: @openzeppelin/contracts/proxy/Proxy.sol

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

// File: @openzeppelin/contracts/utils/Address.sol

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) private pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// File: @openzeppelin/contracts/proxy/UpgradeableProxy.sol

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 *
 * Upgradeability is only provided internally through {_upgradeTo}. For an externally upgradeable proxy see
 * {TransparentUpgradeableProxy}.
 */
contract UpgradeableProxy is Proxy {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) public payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _setImplementation(_logic);
        if (_data.length > 0) {
            Address.functionDelegateCall(_logic, _data);
        }
    }

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 private constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        bytes32 slot = _IMPLEMENTATION_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            impl := sload(slot)
        }
    }

    /**
     * @dev Upgrades the proxy to a new implementation.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal virtual {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "UpgradeableProxy: new implementation is not a contract");

        bytes32 slot = _IMPLEMENTATION_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newImplementation)
        }
    }
}

// File: @openzeppelin/contracts/proxy/TransparentUpgradeableProxy.sol

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev This contract implements a proxy that is upgradeable by an admin.
 *
 * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
 * clashing], which can potentially be used in an attack, this contract uses the
 * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
 * things that go hand in hand:
 *
 * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
 * that call matches one of the admin functions exposed by the proxy itself.
 * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
 * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
 * "admin cannot fallback to proxy target".
 *
 * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
 * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
 * to sudden errors when trying to call a function from the proxy implementation.
 *
 * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
 * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.
 */
contract TransparentUpgradeableProxy is UpgradeableProxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {UpgradeableProxy-constructor}.
     */
    constructor(
        address _logic,
        address admin_,
        bytes memory _data
    ) public payable UpgradeableProxy(_logic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _setAdmin(admin_);
    }

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 private constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @dev Returns the current admin.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function admin() external ifAdmin returns (address admin_) {
        admin_ = _admin();
    }

    /**
     * @dev Returns the current implementation.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
     */
    function implementation() external ifAdmin returns (address implementation_) {
        implementation_ = _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.
     */
    function changeAdmin(address newAdmin) external virtual ifAdmin {
        require(newAdmin != address(0), "TransparentUpgradeableProxy: new admin is the zero address");
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the implementation of the proxy.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.
     */
    function upgradeTo(address newImplementation) external virtual ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
     * proxied contract.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable virtual ifAdmin {
        _upgradeTo(newImplementation);
        Address.functionDelegateCall(newImplementation, data);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address adm) {
        bytes32 slot = _ADMIN_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        bytes32 slot = _ADMIN_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newAdmin)
        }
    }

    /**
     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
     */
    function _beforeFallback() internal virtual override {
        require(msg.sender != _admin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target");
        super._beforeFallback();
    }
}

// File: contracts/OpenOceanExchangeProxy.sol

pragma solidity ^0.6.12;

contract OpenOceanExchangeProxy is TransparentUpgradeableProxy {
    constructor(
        address logic,
        address admin,
        bytes memory data
    ) public TransparentUpgradeableProxy(logic, admin, data) {}
}

Contract Security Audit

Contract ABI

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

000000000000000000000000ed85325119ccfc6acb16fa931bac6378b76e4615000000000000000000000000c979fec5bf053d0d52cada4cfe1c25737731502d000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000048129fc1c00000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : logic (address): 0xed85325119ccfc6acb16fa931bac6378b76e4615
Arg [1] : admin (address): 0xc979fec5bf053d0d52cada4cfe1c25737731502d
Arg [2] : data (bytes): 0x8129fc1c

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000ed85325119ccfc6acb16fa931bac6378b76e4615
Arg [1] : 000000000000000000000000c979fec5bf053d0d52cada4cfe1c25737731502d
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [4] : 8129fc1c00000000000000000000000000000000000000000000000000000000


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://d6532a0164793b86067e69ca26da1c7364d7a21188b7c79410d384a531b909f3
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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