Contract 0x7e22e23162423d679dd5088f91d0ca6ff95606fa

Contract Overview

Balance:
0 BNB
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xc1609106e29836e18372aca5d111a46ff61552e42ba9b2f449ced129290cb047Move AMM Price T...87227052021-05-10 15:00:06133 days 6 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x03e26b07ab48ba7117733f1d34068411b57cdebde55e746247a43a4374840e23Move AMM Price T...87219872021-05-10 14:24:12133 days 7 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x8d4d8355e22a83f3aaaef751afb824be3661b040b4b1228b186ca53da0f8ee24Move AMM Price T...87210652021-05-10 13:38:06133 days 7 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x1c0aac890cdf0e328dc514fbd7a6fcdaa26d07154ea4d988f28c8e693f4612bdMove AMM Price T...87207052021-05-10 13:20:06133 days 8 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0xd7da5803f0cc6ba8d28de31574cd5fde66e6ef6dd5d647e68a157ec91ef1f462Move AMM Price T...87204852021-05-10 13:09:06133 days 8 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0xd70e4e5a932b7e80911a665ebd88981980040d5e223b108754d4bc49ed79ff13Move AMM Price T...87202852021-05-10 12:59:06133 days 8 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x1ca8cd964d4b9c8dcd8363667ebce11d386a09f6e16e48057790c119cffd88b3Move AMM Price T...87191472021-05-10 12:02:12133 days 9 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00200825
0xa32efa3deaffc30419033dff9f208e19bc202c452b7e4571a1c54535da090b91Move AMM Price T...87191452021-05-10 12:02:06133 days 9 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0x4d1db0ddb9facbdede775ff705dc9648e98a8975f37170e92427a7e07154bcb5Move AMM Price T...87180852021-05-10 11:09:06133 days 10 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x59da9b62048bc1861cc8925271dd770432466f1de3d483db75819ab9c767acddMove AMM Price T...87163852021-05-10 9:44:06133 days 11 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x683f3f233c54fc8e817a05a4c3b7657ba33c3a2a0c51a9b7dee577d94d31b79aMove AMM Price T...87161462021-05-10 9:32:09133 days 12 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0xa9bf543d98c4bedac4327e10713b863bb3b9a4e95ca46d7e5c3f32aaec000f03Move AMM Price T...87157852021-05-10 9:14:06133 days 12 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0x6244c681d2093dc7e3aa69064bebd8f0d4a8b2341e47e118d4b59ee8bca72cbeMove AMM Price T...87149052021-05-10 8:30:06133 days 13 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x3c36980830e7c65592f001b8b759178d9f2ec9925585347d7b8662586adec89dMove AMM Price T...87143862021-05-10 8:04:09133 days 13 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x06b579d6077d218b5350cac072ec7bc20e0b59e6c04214ee39ba61609139c6b7Move AMM Price T...87140452021-05-10 7:47:06133 days 13 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0xa9fe9c51bb7e87a2a414d27116b95e3e4eeef756eac84fcdc72245235bbe8201Move AMM Price T...87113682021-05-10 5:33:15133 days 16 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00200825
0x68cc637d5bd359dfca76ee7ccc27345b003224ed7d4e9a151462c3d3dd551194Move AMM Price T...87113662021-05-10 5:33:09133 days 16 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x1ef1bb18ede4a8e87fe8c32f0bf2abd6750a4e236f79fbfe3f0e021b881735baMove AMM Price T...87109262021-05-10 5:11:09133 days 16 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0x813f1ee6511f61b27076733da1665cb15ad0d0c26cafe419e0ae48c8447ad05eMove AMM Price T...87102472021-05-10 4:37:12133 days 16 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0x739c51e22eb247309fa36c21b77b0ceb92fd4484935040657833a60641af0ed1Move AMM Price T...87091062021-05-10 3:40:09133 days 17 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0xf009ba088c75a2483cd2aa0f6b3c449dab2f8997cfe1931963f50fdebf614275Move AMM Price T...87085852021-05-10 3:14:06133 days 18 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0xeb6ae9e49cae1bb4a2c79c8e44680ed0f07ad85ef798bda15f699691bccf8d7fMove AMM Price T...87070852021-05-10 1:59:06133 days 19 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0xf0999d7805af3f8d53d8b0c27abb02e26503d1fb49ace1ca82f97fb910193bbcMove AMM Price T...87065452021-05-10 1:32:06133 days 20 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205025
0xc311abc4dacda18737c8aa31728ab0dd93445503ece396af84d228e5652e5d8bMove AMM Price T...87060262021-05-10 1:06:09133 days 20 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
0xe9085bb97d0fcc5615d1f2c07205052370a514a93cc4c082ddda619954773d8cMove AMM Price T...87057452021-05-10 0:52:06133 days 20 hrs ago0x20000b9b01e93a39db9d286e9264eff7f2af16e9 IN  0x7e22e23162423d679dd5088f91d0ca6ff95606fa0 BNB0.00205033
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xc1609106e29836e18372aca5d111a46ff61552e42ba9b2f449ced129290cb04787227052021-05-10 15:00:06133 days 6 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0xc1609106e29836e18372aca5d111a46ff61552e42ba9b2f449ced129290cb04787227052021-05-10 15:00:06133 days 6 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0xc1609106e29836e18372aca5d111a46ff61552e42ba9b2f449ced129290cb04787227052021-05-10 15:00:06133 days 6 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0x03e26b07ab48ba7117733f1d34068411b57cdebde55e746247a43a4374840e2387219872021-05-10 14:24:12133 days 7 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0x03e26b07ab48ba7117733f1d34068411b57cdebde55e746247a43a4374840e2387219872021-05-10 14:24:12133 days 7 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0x03e26b07ab48ba7117733f1d34068411b57cdebde55e746247a43a4374840e2387219872021-05-10 14:24:12133 days 7 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0x8d4d8355e22a83f3aaaef751afb824be3661b040b4b1228b186ca53da0f8ee2487210652021-05-10 13:38:06133 days 7 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0x8d4d8355e22a83f3aaaef751afb824be3661b040b4b1228b186ca53da0f8ee2487210652021-05-10 13:38:06133 days 7 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0x8d4d8355e22a83f3aaaef751afb824be3661b040b4b1228b186ca53da0f8ee2487210652021-05-10 13:38:06133 days 7 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0x1c0aac890cdf0e328dc514fbd7a6fcdaa26d07154ea4d988f28c8e693f4612bd87207052021-05-10 13:20:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0x1c0aac890cdf0e328dc514fbd7a6fcdaa26d07154ea4d988f28c8e693f4612bd87207052021-05-10 13:20:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0x1c0aac890cdf0e328dc514fbd7a6fcdaa26d07154ea4d988f28c8e693f4612bd87207052021-05-10 13:20:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0xd7da5803f0cc6ba8d28de31574cd5fde66e6ef6dd5d647e68a157ec91ef1f46287204852021-05-10 13:09:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0xd7da5803f0cc6ba8d28de31574cd5fde66e6ef6dd5d647e68a157ec91ef1f46287204852021-05-10 13:09:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0xd7da5803f0cc6ba8d28de31574cd5fde66e6ef6dd5d647e68a157ec91ef1f46287204852021-05-10 13:09:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0xd70e4e5a932b7e80911a665ebd88981980040d5e223b108754d4bc49ed79ff1387202852021-05-10 12:59:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0xd70e4e5a932b7e80911a665ebd88981980040d5e223b108754d4bc49ed79ff1387202852021-05-10 12:59:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0xd70e4e5a932b7e80911a665ebd88981980040d5e223b108754d4bc49ed79ff1387202852021-05-10 12:59:06133 days 8 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0x1ca8cd964d4b9c8dcd8363667ebce11d386a09f6e16e48057790c119cffd88b387191472021-05-10 12:02:12133 days 9 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0x1ca8cd964d4b9c8dcd8363667ebce11d386a09f6e16e48057790c119cffd88b387191472021-05-10 12:02:12133 days 9 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0x1ca8cd964d4b9c8dcd8363667ebce11d386a09f6e16e48057790c119cffd88b387191472021-05-10 12:02:12133 days 9 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0xa32efa3deaffc30419033dff9f208e19bc202c452b7e4571a1c54535da090b9187191452021-05-10 12:02:06133 days 9 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
0xa32efa3deaffc30419033dff9f208e19bc202c452b7e4571a1c54535da090b9187191452021-05-10 12:02:06133 days 9 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x7ec560275d8c1e854f4954fb06d2e15b2476db440 BNB
0xa32efa3deaffc30419033dff9f208e19bc202c452b7e4571a1c54535da090b9187191452021-05-10 12:02:06133 days 9 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x0729b56c0893b80aeb0d3e2412b5cf7179db03040 BNB
0x4d1db0ddb9facbdede775ff705dc9648e98a8975f37170e92427a7e07154bcb587180852021-05-10 11:09:06133 days 10 hrs ago 0x7e22e23162423d679dd5088f91d0ca6ff95606fa 0x2bfdfc92fc1cd1dd503a6836450e711bc4a9b0d70 BNB
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xCE0AeB86F281345B25A1Da2661f2579E33eECe20

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at BscScan.com on 2021-02-06
*/

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

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 * 
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 * 
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     * 
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal {
        // 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 virtual view 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 {
        _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 {
        _fallback();
    }

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

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

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


pragma solidity >=0.6.2 <0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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


pragma solidity >=0.6.0 <0.8.0;



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

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

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

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

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

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

        bytes32 slot = _IMPLEMENTATION_SLOT;

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

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


pragma solidity >=0.6.0 <0.8.0;


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

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

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

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

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

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

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

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

    /**
     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
     * proxied contract.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
        _upgradeTo(newImplementation);
        // solhint-disable-next-line avoid-low-level-calls
        (bool success,) = newImplementation.delegatecall(data);
        require(success);
    }

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

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

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

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

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":"admin_","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":"implementation_","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://8eeceb0a7f3a53b8c489bf9bd60e4d9a9c7cfcacf59ddaec03c5bbdb54e76e82
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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