Contract 0xFD07FDB485e4De4dCD7654E5EA25fd059CD7FDE2 1

Txn Hash
Method
Block
From
To
Value
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb9560Mint87004202021-06-03 17:44:17542 days 2 hrs ago0xdf5db46ee5ebc7a8d9e863bf2df6bdacb8f32024 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000219931
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c2Create Vault85912192021-05-15 18:33:56561 days 1 hr ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000411811
0x5994c5859093b0cd8e6735742a5f47715e6041298cd73ab07508011cb378ca87Create Vault85911722021-05-15 18:22:10561 days 1 hr ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000411841
0x710eef026cdbd186c14e8ea0b50ebfadc0fd753384d4be7ad01fc8f313491e15Redeem85832432021-05-14 9:18:21562 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000167621
0xb674e8886cb7d1a4b38aafed01629b9262d672e26610ae19adf3a4972f2a4494Redeem85832372021-05-14 9:16:51562 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000187121
0x1758c68eb01cb9fc88916553cac2da80023a06fb2e58f42536b58401af2569e8Redeem85832362021-05-14 9:16:36562 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.00024281
0xf2085297af9d0bb4c71abcb531207f1f2137e11d9e1f7b95886d30ad4b4c4fb4Redeem85832042021-05-14 9:08:36562 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000187121
0x609213fa0ff1dfd6d286a4fe6b4893bb8504f7524f83e8e778c42148cac9dc6dRedeem85832032021-05-14 9:08:21562 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.00024281
0x849c68f1cc763c09296ef6da2c9192160043ec58c4b8a4e1ee32a57cdcb4d04dMint85831902021-05-14 9:05:06562 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000573151
0xc1b8a7ca441caa6177e66cccbb32e76ae74a45323abbfb3de4913b8c8f631725Redeem85830662021-05-14 8:34:05562 days 11 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000122621
0x1fdd814bcc2fede40cc002b37a1406ee0614f9df67f18d9c892db65f32b12b37Redeem85830532021-05-14 8:30:50562 days 11 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000252111
0x513805ac9ea80e95c867ee9e3704f1e317e0cd01fa0cba0ac02458de938fdcc2Redeem85829962021-05-14 8:16:35562 days 11 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000366191
0x050fafc3f378c20a3278ad264c1e7ca3c98c760f8dd2d0c1d8b51561d318b640Mint85607682021-05-10 11:36:20566 days 8 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000270971
0x6b7007cf0fffe0dfe84dc1dabcc4e6ccc8f5f2c6a0b79b954bc546d26e966593Redeem85607442021-05-10 11:30:19566 days 8 hrs ago0xebb4a16badb12cd1688bbc17ca24442ed04d6ed8 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000172721
0x8530558b1e23931c897d496aa47631ee33ac4e3e1948d8feb85104790136ba71Mint85607222021-05-10 11:24:49566 days 8 hrs ago0xebb4a16badb12cd1688bbc17ca24442ed04d6ed8 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000101051
0x2fe510e46c95d6c77538e18227fc2973162391404273f29755076e3e1ae762eeMint85607222021-05-10 11:24:49566 days 8 hrs ago0xebb4a16badb12cd1688bbc17ca24442ed04d6ed8 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000116051
0x6bbfb703bcf3bd227d8a2a01e3ccdaa8bc32145a60a77fa9c8408e51e6eb4797Mint85606272021-05-10 11:01:04566 days 8 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000148421
0x645070224f895c12be12fb41925b86717890afa441c3c26ab799ecf601339354Mint85605992021-05-10 10:54:04566 days 9 hrs ago0xebb4a16badb12cd1688bbc17ca24442ed04d6ed8 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000214721
0x8a2f014e37700b06611b9f6c050895a218089b0f16125b02b1eaada48430bce1Redeem85604232021-05-10 10:10:04566 days 9 hrs ago0xebb4a16badb12cd1688bbc17ca24442ed04d6ed8 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.00008211
0x562bce2d9f0da459b64535da8187a040559a34a27ac411fdedd792bf1225d575Mint85603842021-05-10 10:00:19566 days 9 hrs ago0xebb4a16badb12cd1688bbc17ca24442ed04d6ed8 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000214721
0x98b1a97e3b0bc0c70251a9845f240a5bfce16f5f7f20f652f646903b62085d50Set Is115585603492021-05-10 9:51:34566 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000064531
0x790780e7c90d2b698001df6e6c5c920c90ca463614067eccaea95766a9cd26f3Set Is115585603272021-05-10 9:46:04566 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000064531
0x448f2bcaa4318a558f5142f417a0f5971da00f431c99044f931a12f611023505Create Vault85603172021-05-10 9:43:34566 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000411721
0x1062e4a4eebfb9982118970c8f960b0c96f69d8e24710cd3257ac077a55eb2d7Finalize Vault85603082021-05-10 9:41:19566 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000051481
0xf4268665bb242c0733f2f28a2b926788ff606d5efa5c7762c88161752ee06787Create Vault85602662021-05-10 9:30:49566 days 10 hrs ago0x3fce5449c7449983e263227c5aaeacb4a80b87c9 IN  0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde20 Ether0.000411771
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x41908dcf7f0869768fb5157ef21003a904f4308e0 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x7b0e1a9eab67511c83e25d2283dd7be1faa9deb10 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x7b0e1a9eab67511c83e25d2283dd7be1faa9deb10 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x7b0e1a9eab67511c83e25d2283dd7be1faa9deb10 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0xca99b8b5e14ef07e63c6a5d6d443ea232c82042678df39e746bdf61f5afb956087004202021-06-03 17:44:17542 days 2 hrs ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x8af4bdfc4cfbe5388bd194b7e86d4ccf502121a50 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x8414cfbb676dc02d0eee06756af3383090c9388f0 Ether
0x2625b017e21c8799ca90db2f27dcc5ea20b49f1d68e451469477f832acd1b4c285912192021-05-15 18:33:56561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x8af4bdfc4cfbe5388bd194b7e86d4ccf502121a50 Ether
0x5994c5859093b0cd8e6735742a5f47715e6041298cd73ab07508011cb378ca8785911722021-05-15 18:22:10561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x5994c5859093b0cd8e6735742a5f47715e6041298cd73ab07508011cb378ca8785911722021-05-15 18:22:10561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
0x5994c5859093b0cd8e6735742a5f47715e6041298cd73ab07508011cb378ca8785911722021-05-15 18:22:10561 days 1 hr ago 0xfd07fdb485e4de4dcd7654e5ea25fd059cd7fde2 0x899383a74b4a0dfc931912c8a4748b5b113b7d710 Ether
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x0D42630Fd172D8CD0fF1A3b97eD5E0DaA882E1C4

Contract Name:
AdminUpgradeabilityProxy

Compiler Version
v0.6.8+commit.0bbfe453

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, None license
/**
 *Submitted for verification at Etherscan.io on 2020-10-14
*/

/**
 *Submitted for verification at Etherscan.io on 2020-10-13
*/

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());
  }
}



/**
 * @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 v3.3._
     */
    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 v3.3._
     */
    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);
            }
        }
    }
}

/**
 * @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)
    }
  }
}


/**
 * @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 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://41d5af90e23b2cfbe16b337692c47c7adfeb37d070f6f59b78a2bb19d34ad90a
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.