Contract 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761 8

Txn Hash Method
Block
From
To
Value [Txn Fee]
0xc6a5a689a979c6db3216df3939e0e13951a6b4da5de5c4a4de62c116cd1e615fWithdraw Payout331045722024-03-25 7:50:554 days 3 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.001007678868
0x465af9f85608d3d48a90388face94de21652b7905f2578e21f27c44ffdd3777eWithdraw Liquidi...330231352024-03-20 9:16:559 days 2 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.004206773237
0x44fe0f20ada6877abe229605477efd96de227fd5769b541c8ad815d1e306f509Withdraw Liquidi...330231092024-03-20 9:14:159 days 2 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.001257451048
0x30155991937cb3b05000b768c5111f2fb612bd8eb4185d65bc78eb696ac7ab21Withdraw Liquidi...330230472024-03-20 9:08:509 days 2 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.00150149276
0x08455c7809e4bbd1d5c69e59ef7f1da0800b6b3ff979e1124cfa50fd94f6d733Withdraw Liquidi...330230342024-03-20 9:07:409 days 2 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.001700352783
0x1205e850a4c7ed75e25f5f128c23b88b3c1785e2c768f31cc54e43f68bb4fa30Withdraw Liquidi...330229742024-03-20 9:02:409 days 2 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.00426509515
0xd8be68c24b2ad5c051ac66bae8016d8b3bfe333179aa5b14dfa4df4a35f768f5Withdraw Liquidi...330228942024-03-20 8:55:209 days 2 hrs ago0xc1c38d653b59acb12f1a7ed789527a43201fb897 IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.004504477475
0xb6b2074f548cdf25c85f3ceb2bb662bf2933a9da9d42d1c5fc8f59b7e78d415fWithdraw Liquidi...330228832024-03-20 8:54:259 days 2 hrs ago0xc1c38d653b59acb12f1a7ed789527a43201fb897 IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.001701844862
0x61b65a29e800776ea5a7b6256bd3ff6f77706d63f72d3e5e9cb00662e4ab1262Withdraw Payout330224992024-03-20 8:21:059 days 2 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000295374071
0x35c9eadb62c92c468f29dfd659e70d58fdbc6ab0ff88e2714a9d620fc5491df9Withdraw Payout330222682024-03-20 8:01:009 days 3 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000156789002
0x826bc25bb10681a3a22ccfde79626e23eb7026725e142633dbf8d8638e6f7d36Add Liquidity330105122024-03-19 14:54:559 days 20 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.002353255784
0x0a01d4df6e0c2edcbb14a30f32448e1029d7e92a84f32bb14b62a38b1f3f635fAdd Liquidity330103352024-03-19 14:39:109 days 20 hrs ago0xc1c38d653b59acb12f1a7ed789527a43201fb897 IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.002387795737
0x97004518776f4e48556dae410f7111eeb134150d0f8df28825e4cc62ffa3e200Withdraw Liquidi...330086362024-03-19 12:10:009 days 23 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000930555984
0xe62de678470f4b47de4182eb54aa5321ae9f724497bb49984ea1ee4ff3ac38d8Add Liquidity330086282024-03-19 12:09:209 days 23 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.001366897994
0xb573e6e3600fb7b5197be11fe4f3be11f09dc83cdc32c35793ce55fcb065df16Withdraw Liquidi...330086122024-03-19 12:07:559 days 23 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.001110837504
0xe8c194a118cf4e6ce052a0b8e92b2dee01b55b559521cb3981fea0ee46a9b951Add Liquidity330086032024-03-19 12:07:059 days 23 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.001329011196
0x536c12137e1a88987e57208312781df4d38db6e8ad043ea426274b08ffaad7c7Withdraw Liquidi...330065682024-03-19 9:08:2010 days 2 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000743511755
0xe89df0826a9f941eaf8656c686d39a3cfff973f227687924ff641887fd1600fdWithdraw Liquidi...330065312024-03-19 9:05:0510 days 2 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000819384162
0xcd2b0545473e9f3f22b388b01eb4db087f9ff97f66432794ec9702dd5b23cf88Withdraw Liquidi...330064822024-03-19 9:00:4010 days 2 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000062651271
0x524e2e39c6df18b292f0526e00e17e1b8fd842663ba1c5df25cd734437e18b17Withdraw Liquidi...330064822024-03-19 9:00:4010 days 2 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000777280575
0x99d4a58773ee6ef593ed505f74303477e0171aeb32e75c7eb7b0b1ed73558094Add Liquidity330064672024-03-19 8:59:2010 days 2 hrs ago0x85249078b55c2b38999abdb1c744ad30ce83d49f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.00091938036
0xd61959786aacf57dbf47673ee26c5bd64add6e33de99005a3acf146b8c75a185Add Liquidity330043742024-03-19 5:56:5510 days 5 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000850332703
0xf438c5f03a8966e0d5cf7e1fb555ea8ab99dfcc5dbeba286fe3a8942fad0f983Withdraw Liquidi...329953712024-03-18 16:54:0510 days 18 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.0007600601
0x8f07b109d14033e3b21a2264189f9ffab2db9180440b92123381cfda30fafa4bWithdraw Liquidi...329953662024-03-18 16:53:3510 days 18 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000783567114
0x44a15b298cf4c4022afe250f5babcb94321a781c621d413cdfdd1fee9d1cc5caWithdraw Liquidi...329953622024-03-18 16:53:1010 days 18 hrs ago0x68e0c1dbf926cda7a65ef2722e046746eb0f816f IN  0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610 xDAI0.000775808433
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x795c62b191e932061efca9a399b1f63f3ffb5705e5960cc68b255ed7d25c8b4d294722062023-08-15 11:38:50226 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0xe5abe199f1dd1204d54329cad9965f30b02fb006e7d45e9ecf74d2292d7fb4d0294722052023-08-15 11:38:45226 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0xf011d0f71191af22fc058d8dbf653f8b9376c08b91d2940e2b01984d89c797e4294722042023-08-15 11:38:40226 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0x6c410b36d57d96762420b75a173a13029018348b4af479e42ffe0379d1ccdb52294721112023-08-15 11:30:30226 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0x654a2878a6f550b62a5cc50745df770b99538460be7ff1472bfd8dc88496dfed294721092023-08-15 11:30:20226 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0x4f823bc9f08d767d946e027228f7095836e0c8101eed17001bc2e564406786e7294721082023-08-15 11:30:05226 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0x61ebc35b7c367d643a5b8e3a1bb9a7081c89cee2cba25cfed9de0390ce554d4a294720182023-08-15 11:22:00226 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0xdfc46f021c8b7fec1c9a086aeaa352da99a90d0773a97f5a775bd99c651a926e294574342023-08-14 13:21:45227 days 21 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0x090393c3bf33059388433906585863da2aa6dfa465bb11e5010849c29622b763294574332023-08-14 13:21:40227 days 21 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0xf6f56e1a6cd5da970a637908a9fbd9e762686b50af9748a280edd5cd78c8b55b294574102023-08-14 13:19:45227 days 22 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.01 xDAI
0xfc51e121088b4e9fbbd051b19847bf7572e16e3abc275af726ff5a92009bbb6f293597812023-08-08 13:22:15233 days 21 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.001 xDAI
0xb1d5402e502daaeba7b2ec586c7ee7e8f80b7d14c5e6e442d4253a3bab51720c292591912023-08-02 11:21:25239 days 23 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.001 xDAI
0x262f60c1a6950bd03c8b391fd45dc916d66eb09c973423617129ec6398778ca6292579262023-08-02 9:31:05240 days 1 hr ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.001 xDAI
0xa51dcc32cd4a4f25dcc0d503ba40015e83f62bf3cd82f9d1fc477c0346799987292576872023-08-02 9:10:45240 days 2 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610xc1c38d653b59acb12f1a7ed789527a43201fb8972 xDAI
0xa51dcc32cd4a4f25dcc0d503ba40015e83f62bf3cd82f9d1fc477c0346799987292576872023-08-02 9:10:45240 days 2 hrs ago Gnosis: WXDAI Token 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77612 xDAI
0x09dc5b5bce7611e13140ae5951db3447d0e927451dbd248fb4397c78b9ae39bd292576852023-08-02 9:10:35240 days 2 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610xc1c38d653b59acb12f1a7ed789527a43201fb8972 xDAI
0x09dc5b5bce7611e13140ae5951db3447d0e927451dbd248fb4397c78b9ae39bd292576852023-08-02 9:10:35240 days 2 hrs ago Gnosis: WXDAI Token 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77612 xDAI
0x241cd55587a4b58e31d0d948821baa372db925c0b052ba03cb70f402afdd395f291623702023-07-27 15:04:25245 days 20 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.001 xDAI
0xea0b956fc8fc704c82a1fe073e07adfe62385793b179f139b3fa65a2e64dae28291487212023-07-26 19:26:25246 days 15 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610xd1fcaa2a27ad63bedba0a0c35cf4a9be01ba953e1.036625942236 xDAI
0xea0b956fc8fc704c82a1fe073e07adfe62385793b179f139b3fa65a2e64dae28291487212023-07-26 19:26:25246 days 15 hrs ago Gnosis: WXDAI Token 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77611.036625942236 xDAI
0x6700009928961f7870d51a953518d947f6ef640b9a4fafc0e9985437a65b1d9b291487192023-07-26 19:26:15246 days 15 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610xd1fcaa2a27ad63bedba0a0c35cf4a9be01ba953e1.170355444782 xDAI
0x6700009928961f7870d51a953518d947f6ef640b9a4fafc0e9985437a65b1d9b291487192023-07-26 19:26:15246 days 15 hrs ago Gnosis: WXDAI Token 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77611.170355444782 xDAI
0x6703027120d5ba8cf6a7254fb1c75380573bcc35a81ba8b9f611c13febbd0e37291487152023-07-26 19:25:55246 days 15 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77610xd1fcaa2a27ad63bedba0a0c35cf4a9be01ba953e1.032845083247 xDAI
0x6703027120d5ba8cf6a7254fb1c75380573bcc35a81ba8b9f611c13febbd0e37291487152023-07-26 19:25:55246 days 15 hrs ago Gnosis: WXDAI Token 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde77611.032845083247 xDAI
0x5e0776aa973ec803138e5a52e093d66b3222819f02e1e834fde02ff246544ef2291478182023-07-26 18:09:25246 days 17 hrs ago 0xe068bf88317fa2eb3eaecbfe1e486d8b2dde7761Gnosis: WXDAI Token0.02 xDAI
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x204e7371Ade792c5C006fb52711c50a7efC843ed
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
BeaconProxy

Compiler Version
v0.8.16+commit.07a7930e

Optimization Enabled:
Yes with 2 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at gnosisscan.io on 2023-02-23
*/

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/beacon/BeaconProxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}


pragma solidity ^0.8.1;

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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");

        (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");

        (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");

        (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 v3.4._
     */
    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 v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal 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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}



pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }
}



pragma solidity ^0.8.2;

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

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

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

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

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

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

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}


pragma solidity ^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 internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        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 overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _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 virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _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 overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}


pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}


pragma solidity ^0.8.0;

/**
 * @dev This contract implements a proxy that gets the implementation address for each call from an {UpgradeableBeacon}.
 *
 * The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't
 * conflict with the storage layout of the implementation behind the proxy.
 *
 * _Available since v3.4._
 */
contract BeaconProxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the proxy with `beacon`.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
     * will typically be an encoded function call, and allows initializing the storage of the proxy like a Solidity
     * constructor.
     *
     * Requirements:
     *
     * - `beacon` must be a contract with the interface {IBeacon}.
     */
    constructor(address beacon, bytes memory data) payable {
        _upgradeBeaconToAndCall(beacon, data, false);
    }

    /**
     * @dev Returns the current beacon address.
     */
    function _beacon() internal view virtual returns (address) {
        return _getBeacon();
    }

    /**
     * @dev Returns the current implementation address of the associated beacon.
     */
    function _implementation() internal view virtual override returns (address) {
        return IBeacon(_getBeacon()).implementation();
    }

    /**
     * @dev Changes the proxy to use a new beacon. Deprecated: see {_upgradeBeaconToAndCall}.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon.
     *
     * Requirements:
     *
     * - `beacon` must be a contract.
     * - The implementation returned by `beacon` must be a contract.
     */
    function _setBeacon(address beacon, bytes memory data) internal virtual {
        _upgradeBeaconToAndCall(beacon, data, false);
    }
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"beacon","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":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://99db9e4fcb8a247955170233d906866143fb99f83638cb9b28ae98bb9425e585
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