Contract 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 1

Contract Overview

Balance:
0 BNB

Token:
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x2e5134f3d691173794f60a721caa0eac2a95f2a2516e60ec19b0370e00ac90d7Borrow128803662021-10-02 17:51:0318 days 8 hrs ago0xd52cf80dab67cc68478bf723ac56344ad69a1551 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00545082
0x97a7d04aad48cfa49347d69bfdb0585cda60da6b8994a98bbcecf1b4cfc4d7b5Upgrade To123340002021-09-13 15:22:3237 days 10 hrs ago0x6a6b41a0cb817df3fb2923d7281b358e546d949a IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.000650386
0x813ca43e0ce728df93c43cda54325bdf52f016454ade07f19402c82ee227a0660x51005e2f121644102021-09-07 17:21:0443 days 8 hrs ago0x4369dcecec0f77873602eb6b05929aa27b11cb84 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0.000039287638177 BNB0.006919
0xf289296a97e5afc8ba225dda9ceee544d2a85a0270faac92e73d308b0178d272Borrow121643852021-09-07 17:19:4943 days 8 hrs ago0x4369dcecec0f77873602eb6b05929aa27b11cb84 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00502388
0xfeb6148cc6e123cc8a2848533e6f99662fc66359837bcd4f872d6394ee8ac0370x51005e2f121596532021-09-07 13:22:1643 days 12 hrs ago0x82c0e6813f35398c5f955ef742dfcf86eebc943c IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0.000002205544249 BNB0.00765988
0xfdc80a51d84f1dab8853f595f6bf54ab996e953299c97fea3b199367d006e3c70x51005e2f121595812021-09-07 13:18:4043 days 12 hrs ago0x82c0e6813f35398c5f955ef742dfcf86eebc943c IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0.000039287638177 BNB0.00765976
0x12ab2e67528adb9a9002b648efa9140bb919e26ae9b8e36c3568eefad46f63fcRepay121595702021-09-07 13:18:0743 days 12 hrs ago0x82c0e6813f35398c5f955ef742dfcf86eebc943c IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00293748
0xb6b0ba8decf901a1f71f3ded7810b53ea5cc2898da706bd1f7a9abf96e1663e20x51005e2f120608002021-09-04 2:21:4546 days 23 hrs ago0xe0af86eb0616f1a754acbc1d8d2613716843a7fc IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0.000002205544249 BNB0.00790869
0xd9e9006d2c486fa2be83d5d6e97e2a037f8c58be37ace3114f653b0f4c14f8e10x51005e2f120605542021-09-04 2:09:2746 days 23 hrs ago0xe0af86eb0616f1a754acbc1d8d2613716843a7fc IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0.000039287638177 BNB0.00790869
0xea0131cb3c0449247614f5f6b72529caffbab6aeb065314cbae3c3df051a6edfRepay120603692021-09-04 2:00:1246 days 23 hrs ago0x7e497d71fc537a0d859211cbef7cca2fa648f8c1 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00240206
0x32b081e7c66cb2791017609dcf0e6617aeba1bee24f272bcc582925cd1e5285d0x51005e2f120480372021-09-03 15:09:3647 days 10 hrs ago0x7e497d71fc537a0d859211cbef7cca2fa648f8c1 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0.000039287638177 BNB0.00709926
0x6ba9038e828dc5cdab897f4e5eb2a448d505e2c18ecadab2b19302fc0e13550a0x51005e2f120474152021-09-03 14:38:3047 days 11 hrs ago0x82c0e6813f35398c5f955ef742dfcf86eebc943c IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0.000039287638177 BNB0.00749931
0x9a9391be346412c694b0d2f2af6720a94ce7223c389d2c9ce9bebc750060caeeRepay120470982021-09-03 14:22:3947 days 11 hrs ago0x82c0e6813f35398c5f955ef742dfcf86eebc943c IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00296694
0xf78c38676b0a59574c75bbc2ff7b1d9c7a173a2dfed81e88c37a6b21c255e627Borrow120418412021-09-03 9:59:4147 days 15 hrs ago0xe0af86eb0616f1a754acbc1d8d2613716843a7fc IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00570241
0x26eb692fa795a2286035a3824b31c4007621d506afbf89ca94378cd2840f9c530x51005e2f120416302021-09-03 9:49:0847 days 16 hrs ago0x383d66bbe5864653953c4e4121ab8b7531e75e04 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00680315
0xe06fdb0029b512662be45e6162b45c114cd9463eaeee97d06d2c0edc89b416f10x51005e2f120415372021-09-03 9:44:2947 days 16 hrs ago0x383d66bbe5864653953c4e4121ab8b7531e75e04 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00785284
0xd2bf5fa8cb3394070da0b27789a621bc6fe11f5f297f8397da4c19ef4651cfbaRedeem120408772021-09-03 9:11:2947 days 16 hrs ago0xe0af86eb0616f1a754acbc1d8d2613716843a7fc IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00428065
0x69c7e82e85fb8bccfc80476fdf43f1f78e5e6f6129dec63f8407765f71ddac44Redeem120404152021-09-03 8:48:2347 days 17 hrs ago0x7e497d71fc537a0d859211cbef7cca2fa648f8c1 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00320083
0x08cd2fd68e53200b10488733dfb7f3f6390ae1ab1a718e6a945012e70b13f1ceMint120399982021-09-03 8:27:3247 days 17 hrs ago0x7e497d71fc537a0d859211cbef7cca2fa648f8c1 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00339327
0x7d41a4d7f868169dd4e6ac1e4045af9ab8e9b3ad1b2b25ec35e04875539be0d60x7bffd07c120334402021-09-03 2:59:3847 days 22 hrs ago0x0818b8938fcd0a253ccdede9ec417277d3ca11e3 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00728195
0xf3d815e4db9f9f4d504e6a1a19a5752fc9ca7ca19bbf8b7a04e58a836ec1652c0x7bffd07c120330062021-09-03 2:37:5647 days 23 hrs ago0x0818b8938fcd0a253ccdede9ec417277d3ca11e3 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00784671
0xa239fe1400507aaeb1f674cddca93a3e0063b9fe824c7932874057fa68f818690x7bffd07c120108722021-09-02 8:11:1248 days 17 hrs ago0x0818b8938fcd0a253ccdede9ec417277d3ca11e3 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.0084958
0x664295a5b1e136c01de53ac9167367d7eb960175cef2f2993c4fa15ab804aa05Mint120106102021-09-02 7:58:0648 days 17 hrs ago0x0818b8938fcd0a253ccdede9ec417277d3ca11e3 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00323346
0x8180e353817cc75d52908fc2e3aad9902ac0b5a6449aba48d159a06d8c5de623Redeem120105912021-09-02 7:57:0948 days 17 hrs ago0x0818b8938fcd0a253ccdede9ec417277d3ca11e3 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00419719
0xbd42ec0b6b50f65b51847353df308078da3e011891e1b5ac59a5c266ac071f4aMint119872502021-09-01 12:30:0649 days 13 hrs ago0x0818b8938fcd0a253ccdede9ec417277d3ca11e3 IN  0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB0.00244201
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x3629b063c8c557131d39b9762ace97c501a058c00 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x3629b063c8c557131d39b9762ace97c501a058c00 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x81f3cfcd94e9d1c2a746ca64987f57fe662a5d000 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x2789333fd99011c89eb32a8c044ebee1e507784c0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x81f3cfcd94e9d1c2a746ca64987f57fe662a5d000 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x2789333fd99011c89eb32a8c044ebee1e507784c0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x2789333fd99011c89eb32a8c044ebee1e507784c0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0xcae9744cf9358827d8eb6a785907b7c7bf7598919629986ba8a30bb0929794dd133512552021-10-19 4:00:251 day 21 hrs ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
0x2021ed82c44e12eea12a60a41bdfeaf17195203092893197f12a121c20b0d6d8132912282021-10-17 1:51:444 days ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x2789333fd99011c89eb32a8c044ebee1e507784c0 BNB
0x2021ed82c44e12eea12a60a41bdfeaf17195203092893197f12a121c20b0d6d8132912282021-10-17 1:51:444 days ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0x2021ed82c44e12eea12a60a41bdfeaf17195203092893197f12a121c20b0d6d8132912282021-10-17 1:51:444 days ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
0x2843ec7391875fb886868ed7d8eb1f7ba0c02be17b78f4c7d2ec9c0f875cbe7e132106192021-10-14 6:21:556 days 19 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x2789333fd99011c89eb32a8c044ebee1e507784c0 BNB
0x2843ec7391875fb886868ed7d8eb1f7ba0c02be17b78f4c7d2ec9c0f875cbe7e132106192021-10-14 6:21:556 days 19 hrs ago 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a 0x9922b16937fb99f8001ec69356ed259eacacf96a0 BNB
0x2843ec7391875fb886868ed7d8eb1f7ba0c02be17b78f4c7d2ec9c0f875cbe7e132106192021-10-14 6:21:556 days 19 hrs ago 0xee0c0be04396b3877495783a3fd4b21328eea05c 0x53d2b74d1be61c7c7461ad2c38f92eee96e6457a0 BNB
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x8A74F0A9372Bb34Fc6D1506a0B2ef915312034Fc

Contract Name:
AdminUpgradeabilityProxy

Compiler Version
v0.5.3+commit.10d17f24

Optimization Enabled:
No with 200 runs

Other Settings:
constantinople EvmVersion, None license
/**
 *Submitted for verification at BscScan.com on 2020-09-21
*/

/**
 *Submitted for verification at Bscscan.com on 2020-09-15
*/

/**
 *Submitted for verification at Etherscan.io on 2020-02-19
*/

// File: @openzeppelin/upgrades/contracts/upgradeability/Proxy.sol

pragma solidity ^0.5.0;

/**
 * @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.
 */
contract Proxy {
  /**
   * @dev Fallback function.
   * Implemented entirely in `_fallback`.
   */
  function () payable external {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal 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 {
  }

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

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

pragma solidity ^0.5.0;

/**
 * Utility library of inline functions on addresses
 *
 * Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/v2.1.3/contracts/utils/Address.sol
 * This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts
 * when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the
 * build/artifacts folder) as well as the vanilla Address implementation from an openzeppelin version.
 */
library OpenZeppelinUpgradesAddress {
    /**
     * Returns whether the target address is a contract
     * @dev This function will return false if invoked during the constructor of a contract,
     * as the code is not actually created until after the constructor finishes.
     * @param account address of the account to check
     * @return whether the target address is a contract
     */
    function isContract(address account) internal view returns (bool) {
        uint256 size;
        // XXX Currently there is no better way to check if there is a contract in an address
        // than to check the size of the code at that address.
        // See https://ethereum.stackexchange.com/a/14016/36603
        // for more details about how this works.
        // TODO Check this again before the Serenity release, because all addresses will be
        // contracts then.
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }
}

// File: @openzeppelin/upgrades/contracts/upgradeability/BaseUpgradeabilityProxy.sol

pragma solidity ^0.5.0;



/**
 * @title BaseUpgradeabilityProxy
 * @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 BaseUpgradeabilityProxy is Proxy {
  /**
   * @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 Address of the current implementation
   */
  function _implementation() internal 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(OpenZeppelinUpgradesAddress.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }
}

// File: @openzeppelin/upgrades/contracts/upgradeability/UpgradeabilityProxy.sol

pragma solidity ^0.5.0;


/**
 * @title UpgradeabilityProxy
 * @dev Extends BaseUpgradeabilityProxy with a constructor for initializing
 * implementation and init data.
 */
contract UpgradeabilityProxy is BaseUpgradeabilityProxy {
  /**
   * @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);
    }
  }  
}

// File: @openzeppelin/upgrades/contracts/upgradeability/BaseAdminUpgradeabilityProxy.sol

pragma solidity ^0.5.0;


/**
 * @title BaseAdminUpgradeabilityProxy
 * @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 BaseAdminUpgradeabilityProxy is BaseUpgradeabilityProxy {
  /**
   * @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 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 {
    require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
    super._willFallback();
  }
}

// File: @openzeppelin/upgrades/contracts/upgradeability/AdminUpgradeabilityProxy.sol

pragma solidity ^0.5.0;


/**
 * @title AdminUpgradeabilityProxy
 * @dev Extends from BaseAdminUpgradeabilityProxy with a constructor for 
 * initializing the implementation, admin, and init data.
 */
contract AdminUpgradeabilityProxy is BaseAdminUpgradeabilityProxy, 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);
  }
}

Contract ABI

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

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Deployed ByteCode Sourcemap

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Swarm Source

bzzr://3a61cbfff803b053d8f397cf95cfa0c8c53ef12ce921c5d484b275b58be38897
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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