Contract 0xfb6115445bff7b52feb98650c87f44907e58f802

 

Contract Overview

Aave: AAVE Token
Balance:
0 BNB

BNB Value:
$0.00

Token:
Txn Hash
Block
From
To
Value [Txn Fee]
0x3ac6f1af781ec573ff4f163b7c86827f1f8a5d21b975966c4ccaf58333ff440753528982021-03-03 7:56:253 mins ago0x964c587d1e43ad4f803401c8df8b9dd472fb1fef IN  Aave: AAVE Token0 BNB0.00038871
0x9d5acb9039c60be50d66c8b036b6945a7e9d59b7d69c88b6e81a4b1a614a2c4b53527222021-03-03 7:47:3711 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0xbd359e06d0929cfd31b74e5e668b56c86e38d0092b547033f8d258be68c5b30753526672021-03-03 7:44:5214 mins ago0xea6feebd5cf6e6e914d9ca4be9166641bd80eae8 IN  Aave: AAVE Token0 BNB0.00053871
0x374d6220fd7440d43829fb97af0371d5d62b5e756f6d99baba384af6dddcf4a753495492021-03-03 5:08:582 hrs 50 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053871
0x6ca6f4cc31a3ce5e273dd467529858a6db1a910c1ad6819c140d172a7cad4b0253485842021-03-03 4:20:433 hrs 38 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0x8d0bb8d671a4981e9c8c8f5f06d16568126f4d1598deb37053e81005ac85b4f153460962021-03-03 2:13:495 hrs 45 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00038895
0xfcaff10e9e34d2859d7ad2e9e8d1e4543ec58646f57bbad9217afc6fbe024e9e53460112021-03-03 2:09:345 hrs 49 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0xb761175f17c073e18693349095e1b74b68a051e421e7941cb7c52fa42efa942a53441642021-03-03 0:37:127 hrs 22 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053871
0x021b66dd429a173a20a40651e957b5a5541f933601f992871241166fad46b69353439752021-03-03 0:27:457 hrs 31 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0xf0076334ed48a88a9c2b704c7260017b110c2caef602b7085d3dc57911ee4c6153439142021-03-03 0:24:427 hrs 34 mins ago0x82f465d0668be91057e480bb73285b75a0605edf IN  Aave: AAVE Token0 BNB0.00038883
0x0108780addaf3a6e0715eac2b3c8b66d7eec9f02ac5a2fe5e07c5a3d9c2b0b1853433272021-03-02 23:55:218 hrs 4 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0xad230b0dc29b2e09fec445df599a6548597e12767ad99bdcca4c3890b284af1353427412021-03-02 23:26:038 hrs 33 mins ago0xc127d72e00c6f09573d226ab75a7f8f96c8f415b IN  Aave: AAVE Token0 BNB0.00038883
0xcd413c185c4fbf5b21b887b854b5ba932a20e67d8d4d9723ffc2c5cceab606fa53425102021-03-02 23:14:178 hrs 45 mins ago0x045d499f49bf2462df5fb520dab4fc590eabcd10 IN  Aave: AAVE Token0 BNB0.00038883
0xbb8128dd3611a87f2d5235955fd4e315d9330c986db1b91ec90c36479a931d5753421402021-03-02 22:55:109 hrs 4 mins ago0x698d25236b0129a8d0d37693e768628de3147062 IN  Aave: AAVE Token0 BNB0.00038871
0xacac4077ed7bc674564fcecfe25db78d28463fb7ef6f515450bd841215dadb8b53420382021-03-02 22:50:049 hrs 9 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053871
0x95cc91e497246377a14d73ba48b26c56d60029b00f24f54f13a4df15da11d23053417632021-03-02 22:36:199 hrs 23 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053871
0x12ec6aa841d8c69ef040db3910e416f41050005d458787e20c27a458ad2a1a5553416732021-03-02 22:31:499 hrs 27 mins ago0xba83a2e889e8a1f1d08b48662c56d6cee726b1ee IN  Aave: AAVE Token0 BNB0.003148551
0xa7b2a3da29cd1fd29ede194ff2cb577a46080488b51d8864372f2bcff6bba8df53415542021-03-02 22:25:529 hrs 33 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00038883
0x3d3ac3bf4f352007d40d1c7fe2f839b27b69cc1af03c24fa490544b8cb0eb0a853415122021-03-02 22:23:469 hrs 35 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0x9b9d8f6d3135bf63385fdfedddd7ef14a28e351a7091aaf5924418952951bfc553412382021-03-02 22:10:049 hrs 49 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053871
0x172a0c944b92fa6ff9204034cc6908c5040a9a8f9647673ecc83c61f96d8337d53404992021-03-02 21:33:0710 hrs 26 mins ago0xcb53870e2a7df8297375fcbbaae3eade1aa4b9a7 IN  Aave: AAVE Token0 BNB0.00038883
0x4435ce2844bed220befbf5338f4de3b77ae5fd58b86abc8a3a2b28d8f0cbb7d353395152021-03-02 20:43:5511 hrs 15 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0x05c7fcf07a552a2383e7be8a51fdfd9673daaf8e1e23a689a3736511b0f3a6ad53389142021-03-02 20:13:5211 hrs 45 mins ago0x93a59a53943b1b6e109055bcb0f3428f302dca11 IN  Aave: AAVE Token0 BNB0.00038883
0xc57ac9c9c65dc02358c8c03d970914899d4a17111f180a9c629739c185e7f0bd53388412021-03-02 20:10:1311 hrs 49 mins agoBinance: Hot Wallet IN  Aave: AAVE Token0 BNB0.00053883
0x7bcfb96d3de9fdd202bfe92c401367407c5124a50261fe1ea4c769861ba0eca453381752021-03-02 19:36:5512 hrs 22 mins ago0xad553e43ac765d82e48680b38562765b72120d63 IN  Aave: AAVE Token0 BNB0.0004160481
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OVERVIEW

Aave is a decentralized finance protocol that allows people to lend and borrow crypto. Lenders earn interest by depositing digital assets into specially created liquidity pools. Borrowers can then use their crypto as collateral to take out a flash loan using this liquidity.

Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x3ac6f1af781ec573ff4f163b7c86827f1f8a5d21b975966c4ccaf58333ff440753528982021-03-03 7:56:253 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x9d5acb9039c60be50d66c8b036b6945a7e9d59b7d69c88b6e81a4b1a614a2c4b53527222021-03-03 7:47:3711 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xbd359e06d0929cfd31b74e5e668b56c86e38d0092b547033f8d258be68c5b30753526672021-03-03 7:44:5214 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x374d6220fd7440d43829fb97af0371d5d62b5e756f6d99baba384af6dddcf4a753495492021-03-03 5:08:582 hrs 50 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x6ca6f4cc31a3ce5e273dd467529858a6db1a910c1ad6819c140d172a7cad4b0253485842021-03-03 4:20:433 hrs 38 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x8d0bb8d671a4981e9c8c8f5f06d16568126f4d1598deb37053e81005ac85b4f153460962021-03-03 2:13:495 hrs 45 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xfcaff10e9e34d2859d7ad2e9e8d1e4543ec58646f57bbad9217afc6fbe024e9e53460112021-03-03 2:09:345 hrs 49 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xb761175f17c073e18693349095e1b74b68a051e421e7941cb7c52fa42efa942a53441642021-03-03 0:37:127 hrs 22 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x021b66dd429a173a20a40651e957b5a5541f933601f992871241166fad46b69353439752021-03-03 0:27:457 hrs 31 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xf0076334ed48a88a9c2b704c7260017b110c2caef602b7085d3dc57911ee4c6153439142021-03-03 0:24:427 hrs 34 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x0108780addaf3a6e0715eac2b3c8b66d7eec9f02ac5a2fe5e07c5a3d9c2b0b1853433272021-03-02 23:55:218 hrs 4 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x4940162bfd79865803e5a911690c23438edc83edb0957ba5d63bc8f81730ec4453430542021-03-02 23:41:428 hrs 17 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x4940162bfd79865803e5a911690c23438edc83edb0957ba5d63bc8f81730ec4453430542021-03-02 23:41:428 hrs 17 mins ago 0xad838c9a585fdbc6c5dda03e13b6584803734512 Aave: AAVE Token0 BNB
0x4940162bfd79865803e5a911690c23438edc83edb0957ba5d63bc8f81730ec4453430542021-03-02 23:41:428 hrs 17 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x4940162bfd79865803e5a911690c23438edc83edb0957ba5d63bc8f81730ec4453430542021-03-02 23:41:428 hrs 17 mins ago 0xad838c9a585fdbc6c5dda03e13b6584803734512 Aave: AAVE Token0 BNB
0x4940162bfd79865803e5a911690c23438edc83edb0957ba5d63bc8f81730ec4453430542021-03-02 23:41:428 hrs 17 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x4940162bfd79865803e5a911690c23438edc83edb0957ba5d63bc8f81730ec4453430542021-03-02 23:41:428 hrs 17 mins ago 0xad838c9a585fdbc6c5dda03e13b6584803734512 Aave: AAVE Token0 BNB
0xad230b0dc29b2e09fec445df599a6548597e12767ad99bdcca4c3890b284af1353427412021-03-02 23:26:038 hrs 33 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xcd413c185c4fbf5b21b887b854b5ba932a20e67d8d4d9723ffc2c5cceab606fa53425102021-03-02 23:14:178 hrs 45 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xbb8128dd3611a87f2d5235955fd4e315d9330c986db1b91ec90c36479a931d5753421402021-03-02 22:55:109 hrs 4 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xacac4077ed7bc674564fcecfe25db78d28463fb7ef6f515450bd841215dadb8b53420382021-03-02 22:50:049 hrs 9 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x95cc91e497246377a14d73ba48b26c56d60029b00f24f54f13a4df15da11d23053417632021-03-02 22:36:199 hrs 23 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x12ec6aa841d8c69ef040db3910e416f41050005d458787e20c27a458ad2a1a5553416732021-03-02 22:31:499 hrs 27 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0xa7b2a3da29cd1fd29ede194ff2cb577a46080488b51d8864372f2bcff6bba8df53415542021-03-02 22:25:529 hrs 33 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
0x3d3ac3bf4f352007d40d1c7fe2f839b27b69cc1af03c24fa490544b8cb0eb0a853415122021-03-02 22:23:469 hrs 35 mins ago Aave: AAVE Token 0xba5fe23f8a3a24bed3236f05f2fcf35fd0bf0b5c0 BNB
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xA6Ec2Fe4F6040b188A926048f44c9A59Fca189d4

Contract Name:
BEP20UpgradeableProxy

Compiler Version
v0.6.4+commit.1dca32f3

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Apache-2.0 license
/**
 *Submitted for verification at BscScan.com on 2020-09-29
*/

// File: openzeppelin-solidity/contracts/proxy/Proxy.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

/**
 * @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 () payable external {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive () payable external {
        _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-solidity/contracts/utils/Address.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.2;

/**
 * @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 in 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");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        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-solidity/contracts/proxy/UpgradeableProxy.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;



/**
 * @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-solidity/contracts/proxy/TransparentUpgradeableProxy.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;


/**
 * @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 inerface 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) {
        return _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) {
        return _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();
    }
}

// File: contracts/BEP20UpgradeableProxy.sol

pragma solidity ^0.6.0;


contract BEP20UpgradeableProxy is TransparentUpgradeableProxy {

    constructor(address logic, address admin, bytes memory data) TransparentUpgradeableProxy(logic, admin, data) public {

    }

}

Contract ABI

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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://5c518be5ecdac9ebba758e8ce0b8e0dcacae92de07203f44e322e833b133a575
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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