Contract 0x99b1348a9129ac49c6de7F11245773dE2f51fB0c 5

 
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x4e7846df1ac6f74729dd4f2c042f7ce0b00344abf1c32fb771ef40dbb8cc9586Create Lock130849262021-11-30 19:57:333 hrs 35 mins ago0xdd8e2548da5a992a63ae5520c6bc92c37a2bcc44 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.0021066
0xf6c8ef68eabb7b330ea8be4e31bda34e8fca15b61fa4217be93deabd0ca40f8eTransfer Ownersh...130610612021-11-29 22:38:061 day 54 mins ago0xe5cd62ac8d2ca2a62a04958f07dd239c1ffe1a9e IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00016869
0xf0a1588162be9f4762d6600ab636b5d8bc29e6d05c60a456d05bf014d47ab915Create Lock130527042021-11-29 15:08:011 day 8 hrs ago0xe1b8fa08a480c63434570350f3b8dec345ec340e IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210438
0x6fe6c42a665ba94e7d8f1a3d48cde253fa3ed594516531d731035ba6b9c8cd42Create Lock129679932021-11-26 10:35:014 days 12 hrs ago0x8dfb3b207115aa5faa9b1f96722af94cc713617c IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.002119275
0x58620e61ff87e4b88cc2f9e99ef7b3a0195145ad92edb320c63782f00f96dfa2Create Lock129564432021-11-25 23:12:135 days 20 mins ago0xe5cd62ac8d2ca2a62a04958f07dd239c1ffe1a9e IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210462
0x00c7f9295e63d7898e96a8f5ca0ea6a40b76ed69e015a21f070f2b83bba6f6ceCreate Lock129222422021-11-24 16:40:536 days 6 hrs ago0x18c6a47aca1c6a237e53ed2fc3a8fb392c97169b IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210492
0x8f27bd2e8fbe98de40e67495eb3b7eb7602e86c1cd999180035b945e142c6a90Create Lock129210312021-11-24 15:37:116 days 7 hrs ago0x8dfb3b207115aa5faa9b1f96722af94cc713617c IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.000146175
0x07fbabe7561526d4f40ec5683a6fff43cf391b0bd02207c4ea031053ba215561Create Lock129210302021-11-24 15:37:086 days 7 hrs ago0x8dfb3b207115aa5faa9b1f96722af94cc713617c IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.002119275
0xa214a89e15740dc0fd0df6154b1ad5dfccda526fd61c0b0282b3c4a9d43126d1Create Lock129143282021-11-24 9:48:426 days 13 hrs ago0x5597664063a38ff4e4c0046935b1f7eb48a14003 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210648
0xfb4bbcbf02ae0dd53635e39bef452c4f7e878ff6194222e7d89df2f4333e217dCreate Lock129129492021-11-24 8:34:066 days 14 hrs ago0x8dfb3b207115aa5faa9b1f96722af94cc713617c IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.0021048
0xee09dc3e47134190ceaa4df543465287df31966d769c60384bfe69f5d9375cebCreate Lock129128802021-11-24 8:30:396 days 15 hrs ago0x8dfb3b207115aa5faa9b1f96722af94cc713617c IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.0021045
0xfabb072c87c9b9e37f09d57f53bfcf59a7dab344462e81e2a6ed8ed8355f8120Create Lock129128292021-11-24 8:28:056 days 15 hrs ago0x8dfb3b207115aa5faa9b1f96722af94cc713617c IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.0021045
0xd0269f46f5e5602e2a796376e5a4606f024cd6461c843a3b3bb12e73feb91e84Create Lock127815752021-11-19 15:12:1611 days 8 hrs ago0xdbb74bb17992fc6e9acc802eb2d4d99a56918120 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00201018
0xba5f873e345d3c5074adb4417d74fa59a288320df72c55677213ca9a9d6f9924Create Lock127814982021-11-19 15:08:1211 days 8 hrs ago0xdbb74bb17992fc6e9acc802eb2d4d99a56918120 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00201066
0x86321ffb9e08952a3ac6614acb6eb54a7bc34af6c17a2a8b7974d3c16d418967Create Lock127204092021-11-17 10:02:2113 days 13 hrs ago0x04c411485477522813167cfecc71393ea8b2ca01 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.000144435
0x678fdeca3b522ec5c8258265c76fcb0426016b44e828b797440820b0889c7561Create Lock127204052021-11-17 10:02:0913 days 13 hrs ago0x04c411485477522813167cfecc71393ea8b2ca01 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210426
0x1b11c37c3734e926d6beb0a1929007dc59398f30285b59c845d7fbe1600a7e05Create Lock126708542021-11-15 13:54:0415 days 9 hrs ago0x5679d808f2734f8b09f26f4cb0a7fb0439dbebfb IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210456
0xc14cfcc08f4741c58ff22bcc1c8708cba1f9087bfb6096aab97fcc70b41d69feCreate Lock126707682021-11-15 13:49:2415 days 9 hrs ago0x5679d808f2734f8b09f26f4cb0a7fb0439dbebfb IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210438
0xc670f0e0c74ff83f9218d39aa96d37f60ffb34c5efcbbe440be935d173f72768Create Lock126645442021-11-15 8:13:2215 days 15 hrs ago0x99d0adb61c345ff9545d17e8b4da16b375d5fc00 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210438
0x3ae0a75ac95122087e2d3fd2fc27b4b994d9ce4eaf262365d794641de14e6480Create Lock126456102021-11-14 15:44:0316 days 7 hrs ago0xf0e48d2c3d048f80e98fb1c616a932d8124df56b IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210444
0x974d0a888b868e420d9069bd57fa17507bb3a0deee89cceaed9ea2a5899e9bacCreate Lock126118002021-11-13 10:43:5917 days 12 hrs ago0x381b57092563705f913b8f015a0c39c039d1cd94 IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00210606
0x3426e99fd56bb2ab521e6c9c41ed44e0c440fa56ddc1276867163e57f14e0b11Config Unlock124550412021-11-07 20:43:1023 days 2 hrs ago0xe5cd62ac8d2ca2a62a04958f07dd239c1ffe1a9e IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00039697
0x3dc652a401929d860e7b9d5725c13d22955247bbaf9ac7bd660e538d2017c666Create Lock124530162021-11-07 19:01:3223 days 4 hrs ago0xe5cd62ac8d2ca2a62a04958f07dd239c1ffe1a9e IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.0021063
0x07f85a01bc2ba221f223e3a602a16e4d207f51acfa3321f8e91ab9f20c081cd4Create Lock123965422021-11-05 19:35:5925 days 3 hrs ago0xe5cd62ac8d2ca2a62a04958f07dd239c1ffe1a9e IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.00201
0x6c1e8a4dc546a59e7e3ae6715f2163c559a828a8527e3c85365d8ff205c3a37cConfig Unlock123702942021-11-04 21:24:5826 days 2 hrs ago0xe5cd62ac8d2ca2a62a04958f07dd239c1ffe1a9e IN  0x99b1348a9129ac49c6de7f11245773de2f51fb0c0 BNB0.000786505
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0x4e7846df1ac6f74729dd4f2c042f7ce0b00344abf1c32fb771ef40dbb8cc9586130849262021-11-30 19:57:333 hrs 35 mins ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xf0a1588162be9f4762d6600ab636b5d8bc29e6d05c60a456d05bf014d47ab915130527042021-11-29 15:08:011 day 8 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x6fe6c42a665ba94e7d8f1a3d48cde253fa3ed594516531d731035ba6b9c8cd42129679932021-11-26 10:35:014 days 12 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x58620e61ff87e4b88cc2f9e99ef7b3a0195145ad92edb320c63782f00f96dfa2129564432021-11-25 23:12:135 days 20 mins ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x00c7f9295e63d7898e96a8f5ca0ea6a40b76ed69e015a21f070f2b83bba6f6ce129222422021-11-24 16:40:536 days 6 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x07fbabe7561526d4f40ec5683a6fff43cf391b0bd02207c4ea031053ba215561129210302021-11-24 15:37:086 days 7 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xa214a89e15740dc0fd0df6154b1ad5dfccda526fd61c0b0282b3c4a9d43126d1129143282021-11-24 9:48:426 days 13 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xfb4bbcbf02ae0dd53635e39bef452c4f7e878ff6194222e7d89df2f4333e217d129129492021-11-24 8:34:066 days 14 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xee09dc3e47134190ceaa4df543465287df31966d769c60384bfe69f5d9375ceb129128802021-11-24 8:30:396 days 15 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xfabb072c87c9b9e37f09d57f53bfcf59a7dab344462e81e2a6ed8ed8355f8120129128292021-11-24 8:28:056 days 15 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xd0269f46f5e5602e2a796376e5a4606f024cd6461c843a3b3bb12e73feb91e84127815752021-11-19 15:12:1611 days 8 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xba5f873e345d3c5074adb4417d74fa59a288320df72c55677213ca9a9d6f9924127814982021-11-19 15:08:1211 days 8 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x678fdeca3b522ec5c8258265c76fcb0426016b44e828b797440820b0889c7561127204052021-11-17 10:02:0913 days 13 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x1b11c37c3734e926d6beb0a1929007dc59398f30285b59c845d7fbe1600a7e05126708542021-11-15 13:54:0415 days 9 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xc14cfcc08f4741c58ff22bcc1c8708cba1f9087bfb6096aab97fcc70b41d69fe126707682021-11-15 13:49:2415 days 9 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0xc670f0e0c74ff83f9218d39aa96d37f60ffb34c5efcbbe440be935d173f72768126645442021-11-15 8:13:2215 days 15 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x3ae0a75ac95122087e2d3fd2fc27b4b994d9ce4eaf262365d794641de14e6480126456102021-11-14 15:44:0316 days 7 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x974d0a888b868e420d9069bd57fa17507bb3a0deee89cceaed9ea2a5899e9bac126118002021-11-13 10:43:5917 days 12 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x3dc652a401929d860e7b9d5725c13d22955247bbaf9ac7bd660e538d2017c666124530162021-11-07 19:01:3223 days 4 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
0x07f85a01bc2ba221f223e3a602a16e4d207f51acfa3321f8e91ab9f20c081cd4123965422021-11-05 19:35:5925 days 3 hrs ago 0x99b1348a9129ac49c6de7f11245773de2f51fb0c  Contract Creation0 BNB
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xaacb683a934a5e1aee846286049f1a5dd38bdfb9

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at BscScan.com on 2021-05-03
*/

// File: ../../../.brownie/packages/OpenZeppelin/[email protected]/contracts/proxy/Proxy.sol


pragma solidity ^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: ../../../.brownie/packages/OpenZeppelin/[email protected]/contracts/proxy/beacon/IBeacon.sol


pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// File: ../../../.brownie/packages/OpenZeppelin/[email protected]/contracts/utils/Address.sol


pragma solidity ^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: ../../../.brownie/packages/OpenZeppelin/[email protected]/contracts/utils/StorageSlot.sol


pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        assembly {
            r.slot := slot
        }
    }
}

// File: ../../../.brownie/packages/OpenZeppelin/[email protected]/contracts/proxy/ERC1967/ERC1967Upgrade.sol


pragma solidity ^0.8.2;




/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @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 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

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

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallSecure(address newImplementation, bytes memory data, bool forceCall) internal {
        address oldImplementation = _getImplementation();

        // Initial upgrade and setup call
        _setImplementation(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }

        // Perform rollback test if not already in progress
        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
        if (!rollbackTesting.value) {
            // Trigger rollback using upgradeTo from the new implementation
            rollbackTesting.value = true;
            Address.functionDelegateCall(
                newImplementation,
                abi.encodeWithSignature(
                    "upgradeTo(address)",
                    oldImplementation
                )
            );
            rollbackTesting.value = false;
            // Check rollback was effective
            require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
            // Finally reset to the new implementation and log the upgrade
            _setImplementation(newImplementation);
            emit Upgraded(newImplementation);
        }
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }

    /**
     * @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 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

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

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

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

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(
            Address.isContract(newBeacon),
            "ERC1967: new beacon is not a contract"
        );
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }
}

// File: ../../../.brownie/packages/OpenZeppelin/[email protected]/contracts/proxy/ERC1967/ERC1967Proxy.sol


pragma solidity ^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.
 */
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
     * @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) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

// File: ../../../.brownie/packages/OpenZeppelin/[email protected]/contracts/proxy/transparent/TransparentUpgradeableProxy.sol

// SPDX-License-Identifier: MIT

pragma solidity ^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 ERC1967Proxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.
     */
    constructor(address _logic, address admin_, bytes memory _data) payable ERC1967Proxy(_logic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _changeAdmin(admin_);
    }

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

    /**
     * @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 {
        _changeAdmin(newAdmin);
    }

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

    /**
     * @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 ifAdmin {
        _upgradeToAndCall(newImplementation, data, true);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address) {
        return _getAdmin();
    }

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

Contract Security Audit

Contract ABI

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Swarm Source

ipfs://93f028255035b61df476b13b9dba3c4f06f60e51b9b4caee31680b389aef327f
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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