Contract 0x9756FB4d149e07dF9844282a0aF8F6527e37015B 1

 
 
Txn Hash
Method
Block
From
To
Value [Txn Fee]
0xf95447ee35f1fb8c0f296f49104386c172fb90dc72ee086a50ca281638a78d12Create Matic Ord...372708052022-12-25 19:57:0545 days 11 hrs ago0x93565f6fd8d8c82a421df81ca77698b0be9783fe IN  0x9756fb4d149e07df9844282a0af8f6527e37015b187 MATIC0.025349025 65
0x04cd3e5b9b016844b49b77cca96ca06604f52aa527fe59faa4337215aae312ccCreate Matic Ord...372707272022-12-25 19:53:4145 days 11 hrs ago0x93565f6fd8d8c82a421df81ca77698b0be9783fe IN  0x9756fb4d149e07df9844282a0af8f6527e37015b193 MATIC0.026128995 67
0x6b4cbf7a68d5c2ac03976d369506c02a2bd71c769659d7282d63068d471a7fe6Create Matic Ord...371886092022-12-23 18:43:0947 days 12 hrs ago0xa913da67992c99c7a2fb41c3bd91a4bedc746623 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1 MATIC0.01560228 40
0xd9879c3f854a539a16c967855b2df83120cec70e98950a09b05c2d9013bf0cafCreate Matic Ord...371849132022-12-23 16:33:5147 days 14 hrs ago0x4454476669b98809e0f21429a8b596714fcefe33 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b167.42 MATIC0.049528095 127
0xf775c0da7a9c0acca75d79c1e722078f497a1fc694ccd6cdbf06d655e1848bdfCreate Matic Ord...371847592022-12-23 16:28:3147 days 14 hrs ago0x4454476669b98809e0f21429a8b596714fcefe33 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b143.430004020543048 MATIC0.033148725 85
0x4047f80cc7ec4906f1a031f6028f30f2945803afa5657ac2085718875f5eb54aCreate Matic Ord...371845942022-12-23 16:22:5347 days 14 hrs ago0x4454476669b98809e0f21429a8b596714fcefe33 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b183.43 MATIC0.028468905 73
0x0f9475e371adb437d58c8e347de80a0d911f4852caa2697d75992cac79a8183aCreate Matic Ord...371407332022-12-22 13:52:1448 days 17 hrs ago0x2dc4107042f414eb431b69e0318d5763dee12f6d IN  0x9756fb4d149e07df9844282a0af8f6527e37015b131.34 MATIC0.025345905 65
0x7d80eca47084a52fb10576f08a952ea4270bf335c06e900ef0edf4452e7936d5Create Matic Ord...371400712022-12-22 13:29:3048 days 17 hrs ago0x2dc4107042f414eb431b69e0318d5763dee12f6d IN  0x9756fb4d149e07df9844282a0af8f6527e37015b3.49 MATIC0.022617738 58
0x32b4148862858662ce722dca5f231c121a3bd0cc5d731dfa0ea9959a93fbc620Create Matic Ord...368332102022-12-14 20:08:2056 days 10 hrs ago0xc551fc73aa5e03ae8c96915cb103f3aafa18a075 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b120 MATIC0.069415194 178
0x93b07a5ed77c5918918b198c994820d4e124b3d4c25941075616570270b3291aCreate Matic Ord...367949332022-12-13 21:12:2157 days 9 hrs ago0x7fb3e57da24cf884e34424709138d27a54b1fec3 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1 MATIC0.015212691 39
0x192c1ba9e3ce428405cb1dc5487459fae448c60d5eaacb3cc65719e52993be1fCreate Matic Ord...360504972022-11-25 13:21:3175 days 17 hrs ago0xbbdcc919a3b15728c874644f7d350bc072211013 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b295 MATIC0.016769355 43
0x3c12c346881381ba21ddc00f1c8f94dd3763c54baa0b582dd22b50db98e3c693Create Matic Ord...352292212022-11-05 11:19:5795 days 19 hrs ago0xda9e79e5d6b9972d1fcd6475b92e525788751f8b IN  0x9756fb4d149e07df9844282a0af8f6527e37015b14 MATIC0.036266373 93
0x93a73451c08e30dc66c6af0bf803a43159be7c09d3a6e4ada53663a998944fb7Create Matic Ord...350729482022-11-01 15:48:0199 days 15 hrs ago0xeb28baa9a2c2b0a333ea4bba9c40521d0d5a7520 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b0.1 MATIC0.011703525 129
0xe2eb33aca328de469901f7f6244e4248b2b3156473bbb29ce84742f5958d059eCreate Matic Ord...350729452022-11-01 15:47:5599 days 15 hrs ago0xeb28baa9a2c2b0a333ea4bba9c40521d0d5a7520 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b0.1 MATIC0.044065593 113
0x1442bbb7eb7011ba4ff32a24cde2d51cb1b67f0de6dca5093186366248ed96b8Create Matic Ord...350357162022-10-31 17:54:03100 days 13 hrs ago0xe456c90b5404b91f6076ebb3bb3ec18a6313f79e IN  0x9756fb4d149e07df9844282a0af8f6527e37015b0.4 MATIC0.01949805 50
0xe012719f2ecf31f1c4bd7528defec6d67ff9f13916f0b9a3faecebab53a23be3Create Matic Ord...335911132022-09-26 13:14:33135 days 17 hrs ago0x4d41239d4f621aa38b72bac194c78be73e0c2b13 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b0.789977994972788 MATIC0.010887120
0x6fbb5b4128ae1b627362048cec68308501e1e0342b034c88da4dd2160834451fCreate Matic Ord...307902062022-07-16 14:59:05207 days 16 hrs ago0xa03b7ed82639e7a1aef7c7f7e214c8abdaae86aa IN  0x9756fb4d149e07df9844282a0af8f6527e37015b29 MATIC0.01403946 36
0x8e59274db66dc3b450cb239a01b9803386cf23fc7f7ec1c0825abaa76c47d032Create Matic Ord...290905432022-06-02 22:21:04251 days 8 hrs ago0x56d0eb4af57af5c4fe992adfdbf37bd54f634513 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1.7 MATIC0.01950285 50
0x10bc9175fb8c1dddce4b606254d81a81d6c251f7103ed3c7846906b063ffbcc3Create Matic Ord...290904312022-06-02 22:17:12251 days 8 hrs ago0x56d0eb4af57af5c4fe992adfdbf37bd54f634513 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b2 MATIC0.017381184 48
0xb8d60321e810e6168295875bc58e404b3851bf7e325d8a95f9b4a09a56063e41Create Matic Ord...280332812022-05-07 13:18:54277 days 17 hrs ago0xe7524614be3482e8ada38f1ced7aa8472ad5e750 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1,233 MATIC0.015215343 39
0x3b837cc5cacdd00b97217f48637fccecf3bdd9470151d145c820c8288df12f2bCreate Matic Ord...280332212022-05-07 13:16:50277 days 17 hrs ago0xe7524614be3482e8ada38f1ced7aa8472ad5e750 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1,231 MATIC0.012484 32
0xbff178f86219a7c7db6244628a08fca852e800b9c4450db7c824f1bb14c5c432Create Matic Ord...280331672022-05-07 13:14:58277 days 17 hrs ago0xe7524614be3482e8ada38f1ced7aa8472ad5e750 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1,231 MATIC0.016775375 43
0x26cb23c97c3d9b9bfe7d06d47d24fef25a35195f8d5fc9707e0e3dbea5bd5ca9Create Matic Ord...280329922022-05-07 13:08:56277 days 17 hrs ago0xe7524614be3482e8ada38f1ced7aa8472ad5e750 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1,233 MATIC0.013037904 36
0xa1a9783050c7d6df029b0787c1fef1c9b890342b90b4dcc3c6944bcabdc0ce2cCreate Matic Ord...279906372022-05-06 12:00:16278 days 19 hrs ago0x29dcbeb449413ae5a33f1c2ba54eb547d1359bb2 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1,233 MATIC0.033936003 87
0x8d621aa035a6f96e6a07256349c22aa4a962e4610b21d973b3147b92df20f060Create Matic Ord...279902852022-05-06 11:48:12278 days 19 hrs ago0x29dcbeb449413ae5a33f1c2ba54eb547d1359bb2 IN  0x9756fb4d149e07df9844282a0af8f6527e37015b1,236 MATIC0.156812562 402
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xf95447ee35f1fb8c0f296f49104386c172fb90dc72ee086a50ca281638a78d12372708052022-12-25 19:57:0545 days 11 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token187 MATIC
0x04cd3e5b9b016844b49b77cca96ca06604f52aa527fe59faa4337215aae312cc372707272022-12-25 19:53:4145 days 11 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token193 MATIC
0x6b4cbf7a68d5c2ac03976d369506c02a2bd71c769659d7282d63068d471a7fe6371886092022-12-23 18:43:0947 days 12 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1 MATIC
0xd9879c3f854a539a16c967855b2df83120cec70e98950a09b05c2d9013bf0caf371849132022-12-23 16:33:5147 days 14 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token167.42 MATIC
0xf775c0da7a9c0acca75d79c1e722078f497a1fc694ccd6cdbf06d655e1848bdf371847592022-12-23 16:28:3147 days 14 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token143.43000402054304832 MATIC
0x4047f80cc7ec4906f1a031f6028f30f2945803afa5657ac2085718875f5eb54a371845942022-12-23 16:22:5347 days 14 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token183.43 MATIC
0x0f9475e371adb437d58c8e347de80a0d911f4852caa2697d75992cac79a8183a371407332022-12-22 13:52:1448 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token131.34 MATIC
0x7d80eca47084a52fb10576f08a952ea4270bf335c06e900ef0edf4452e7936d5371400712022-12-22 13:29:3048 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token3.49 MATIC
0x32b4148862858662ce722dca5f231c121a3bd0cc5d731dfa0ea9959a93fbc620368332102022-12-14 20:08:2056 days 10 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token120 MATIC
0x93b07a5ed77c5918918b198c994820d4e124b3d4c25941075616570270b3291a367949332022-12-13 21:12:2157 days 9 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1 MATIC
0x192c1ba9e3ce428405cb1dc5487459fae448c60d5eaacb3cc65719e52993be1f360504972022-11-25 13:21:3175 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token295 MATIC
0x3c12c346881381ba21ddc00f1c8f94dd3763c54baa0b582dd22b50db98e3c693352292212022-11-05 11:19:5795 days 19 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token14 MATIC
0x93a73451c08e30dc66c6af0bf803a43159be7c09d3a6e4ada53663a998944fb7350729482022-11-01 15:48:0199 days 15 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token0.1 MATIC
0xe2eb33aca328de469901f7f6244e4248b2b3156473bbb29ce84742f5958d059e350729452022-11-01 15:47:5599 days 15 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token0.1 MATIC
0x1442bbb7eb7011ba4ff32a24cde2d51cb1b67f0de6dca5093186366248ed96b8350357162022-10-31 17:54:03100 days 13 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token0.4 MATIC
0xe012719f2ecf31f1c4bd7528defec6d67ff9f13916f0b9a3faecebab53a23be3335911132022-09-26 13:14:33135 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token0.789977994972788175 MATIC
0x6fbb5b4128ae1b627362048cec68308501e1e0342b034c88da4dd2160834451f307902062022-07-16 14:59:05207 days 16 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token29 MATIC
0x8e59274db66dc3b450cb239a01b9803386cf23fc7f7ec1c0825abaa76c47d032290905432022-06-02 22:21:04251 days 8 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1.7 MATIC
0x10bc9175fb8c1dddce4b606254d81a81d6c251f7103ed3c7846906b063ffbcc3290904312022-06-02 22:17:12251 days 8 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token2 MATIC
0xb8d60321e810e6168295875bc58e404b3851bf7e325d8a95f9b4a09a56063e41280332812022-05-07 13:18:54277 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1,233 MATIC
0x3b837cc5cacdd00b97217f48637fccecf3bdd9470151d145c820c8288df12f2b280332212022-05-07 13:16:50277 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1,231 MATIC
0xbff178f86219a7c7db6244628a08fca852e800b9c4450db7c824f1bb14c5c432280331672022-05-07 13:14:58277 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1,231 MATIC
0x26cb23c97c3d9b9bfe7d06d47d24fef25a35195f8d5fc9707e0e3dbea5bd5ca9280329922022-05-07 13:08:56277 days 17 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1,233 MATIC
0xa1a9783050c7d6df029b0787c1fef1c9b890342b90b4dcc3c6944bcabdc0ce2c279906372022-05-06 12:00:16278 days 19 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1,233 MATIC
0x8d621aa035a6f96e6a07256349c22aa4a962e4610b21d973b3147b92df20f060279902852022-05-06 11:48:12278 days 19 hrs ago 0x9756fb4d149e07df9844282a0af8f6527e37015b Polygon: WMATIC Token1,236 MATIC
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x78e6740a36B8E605aE02869e48F0caCEF757d9F9

Contract Name:
AdminUpgradeabilityProxy

Compiler Version
v0.6.8+commit.0bbfe453

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at polygonscan.com on 2021-06-11
*/

// SPDX-License-Identifier: MIT

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);
    }

    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);
            }
        }
    }
}

pragma solidity ^0.6.0;

/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
  /**
   * @dev Fallback function.
   * Implemented entirely in `_fallback`.
   */
  fallback () payable external {
    _fallback();
  }

  /**
   * @dev Receive function.
   * Implemented entirely in `_fallback`.
   */
  receive () payable external {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal virtual view returns (address);

  /**
   * @dev Delegates execution to an implementation contract.
   * This is a low level function that doesn't return to its internal call site.
   * It will return to the external caller whatever the implementation returns.
   * @param implementation Address to delegate.
   */
  function _delegate(address implementation) internal {
    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 Function that is run as the first thing in the fallback function.
   * Can be redefined in derived contracts to add functionality.
   * Redefinitions must call super._willFallback().
   */
  function _willFallback() internal virtual {
  }

  /**
   * @dev fallback implementation.
   * Extracted to enable manual triggering.
   */
  function _fallback() internal {
    _willFallback();
    _delegate(_implementation());
  }
}

pragma solidity ^0.6.0;

/**
 * @title UpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract UpgradeabilityProxy is Proxy {
  /**
   * @dev Contract constructor.
   * @param _logic Address of the initial implementation.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  constructor(address _logic, bytes memory _data) public payable {
    assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
    _setImplementation(_logic);
    if(_data.length > 0) {
      (bool success,) = _logic.delegatecall(_data);
      require(success);
    }
  }  

  /**
   * @dev Emitted when the implementation is upgraded.
   * @param implementation Address of the new implementation.
   */
  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 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

  /**
   * @dev Returns the current implementation.
   * @return impl Address of the current implementation
   */
  function _implementation() internal override view returns (address impl) {
    bytes32 slot = IMPLEMENTATION_SLOT;
    assembly {
      impl := sload(slot)
    }
  }

  /**
   * @dev Upgrades the proxy to a new implementation.
   * @param newImplementation Address of the new implementation.
   */
  function _upgradeTo(address newImplementation) internal {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  /**
   * @dev Sets the implementation address of the proxy.
   * @param newImplementation Address of the new implementation.
   */
  function _setImplementation(address newImplementation) internal {
    require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }
}

pragma solidity ^0.6.0;

/**
 * @title AdminUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
  /**
   * Contract constructor.
   * @param _logic address of the initial implementation.
   * @param _admin Address of the proxy administrator.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  constructor(address _logic, address _admin, bytes memory _data) UpgradeabilityProxy(_logic, _data) public payable {
    assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1));
    _setAdmin(_admin);
  }

  /**
   * @dev Emitted when the administration has been transferred.
   * @param previousAdmin Address of the previous admin.
   * @param newAdmin Address of the new admin.
   */
  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 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

  /**
   * @dev Modifier to check whether the `msg.sender` is the admin.
   * If it is, it will run the function. Otherwise, it will delegate the call
   * to the implementation.
   */
  modifier ifAdmin() {
    if (msg.sender == _admin()) {
      _;
    } else {
      _fallback();
    }
  }

  /**
   * @return The address of the proxy admin.
   */
  function admin() external ifAdmin returns (address) {
    return _admin();
  }

  /**
   * @return The address of the implementation.
   */
  function implementation() external ifAdmin returns (address) {
    return _implementation();
  }

  /**
   * @dev Changes the admin of the proxy.
   * Only the current admin can call this function.
   * @param newAdmin Address to transfer proxy administration to.
   */
  function changeAdmin(address newAdmin) external ifAdmin {
    require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address");
    emit AdminChanged(_admin(), newAdmin);
    _setAdmin(newAdmin);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy.
   * Only the admin can call this function.
   * @param newImplementation Address of the new implementation.
   */
  function upgradeTo(address newImplementation) external ifAdmin {
    _upgradeTo(newImplementation);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy and call a function
   * on the new implementation.
   * This is useful to initialize the proxied contract.
   * @param newImplementation Address of the new implementation.
   * @param data Data to send as msg.data in the low level call.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   */
  function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin {
    _upgradeTo(newImplementation);
    (bool success,) = newImplementation.delegatecall(data);
    require(success);
  }

  /**
   * @return adm The admin slot.
   */
  function _admin() internal view returns (address adm) {
    bytes32 slot = ADMIN_SLOT;
    assembly {
      adm := sload(slot)
    }
  }

  /**
   * @dev Sets the address of the proxy admin.
   * @param newAdmin Address of the new proxy admin.
   */
  function _setAdmin(address newAdmin) internal {
    bytes32 slot = ADMIN_SLOT;

    assembly {
      sstore(slot, newAdmin)
    }
  }

  /**
   * @dev Only fall back when the sender is not the admin.
   */
  function _willFallback() internal override virtual {
    require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
    super._willFallback();
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://6e221e2a3547bd97244b05ed46430b1b078ba097cb2a4e25ec3d79cf9ac9f02c
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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