Contract 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4

Txn Hash Method
Block
From
To
Value [Txn Fee]
0xd676c4f443681fe8d6377ecdf33e1a3f2b8b77aa79953e651cc009c284e303260xec140eb7258773952023-02-05 19:22:2742 days 17 hrs ago0xb5b474211144f0730e8134f106f0d0543481dcd2 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40.498 AVAX0.0048246 27.5
0xc67e221d1919cff2ab0f6bb41c3606533b92eb39733d88dbd001b232e833f48a0xec140eb7258773942023-02-05 19:22:2642 days 17 hrs ago0x5ea1b15f41857f4123b17e3ffc0b6efaf8efd327 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40.157 AVAX0.00443286568 26.41
0xe87e7fd03d788b18ce898e2a3a85793239c2ca81d1352de48197df1e7cb988630xec140eb7258773592023-02-05 19:21:1542 days 17 hrs ago0x2ce84ba90f3cd2c9281cc3170295d84b60ac28b4 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40.099090909090909 AVAX0.004364048 26
0x87f2fb732353916ea9c822a6ed0a4dc2421c1d9410d47f1f8e5a910de57498350xec140eb7258773272023-02-05 19:20:1042 days 17 hrs ago0xb5b474211144f0730e8134f106f0d0543481dcd2 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40.707142857142857 AVAX0.0048246 27.5
0x341cba470f36c1f595b9f466a2299475c0a326f505154379e69db5f320db9a610xec140eb7258771982023-02-05 19:15:4942 days 17 hrs ago0x66b3f102712e1c45f47336743e11ab7dd875fd76 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40.157 AVAX0.00461582 27.5
0xffec48b7da51dd66c743159e180bcada08aba7b474384c7257c7520ef6465b890xec140eb7258770382023-02-05 19:10:2142 days 17 hrs ago0x6e76b75316995f6f270c34d0a90221750c7ab019 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40.498 AVAX0.0048246 27.5
0x7b2c65e44ea6d6e63f75a2f579e23a88888b98e8e1fc7ca0c15223427399576b0x5f1722fc257767932023-02-03 10:54:1845 days 1 hr ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.0050720175 27.5
0xcceedb0d12c3b6a39f650bb2494745e8845142929340a6d25d9f8fea68c2cd7b0x5f1722fc257767582023-02-03 10:53:0545 days 2 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.0050720175 27.5
0x8d09104de6c12bb2d6ed18919733f7d53a7421cad33d90a15d8d0c4f89fd73fd0x5f1722fc257767222023-02-03 10:51:5345 days 2 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.0055422675 27.5
0x12dfb1c932bb976bdcfa4442dcbda2ad2b80e73bd7ce3f80f891b6113376bfa80x5f1722fc257766642023-02-03 10:49:5745 days 2 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.0059103 27.5
0x0d9968c020c141a4829bd21ee317a09f5a3e02893373a69842d52a7b5c755c090x5f1722fc257766282023-02-03 10:48:4445 days 2 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.00590997 27.5
0xfd5dd7500ed0d860c60215fae4a211cc1762801334abe979d9585daf553dfded0x5f1722fc257765862023-02-03 10:47:2045 days 2 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.00638055 27.5
0x0067358d8858668ab985ff1fb9fd3e09f7bf4508e325ab2706030cb193afc03c0xec140eb7255776592023-01-29 19:18:1949 days 17 hrs ago0x7060030754761800ea54637428518d28af1e6fab IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d41.0475 AVAX0.00557007 27.5
0x7298d4d394315492f3092d93ffbc992168c886ee6c63905c3d0a06baf52294cd0xec140eb7255774392023-01-29 19:10:5449 days 17 hrs ago0x7060030754761800ea54637428518d28af1e6fab IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d41.006 AVAX0.00509982 27.5
0x497341bc89903dc3c19555d99e9a26bcecb1a6c278326c086228f1b42ec57db30xec140eb7255774052023-01-29 19:09:4649 days 17 hrs ago0x0f6e029037c04b3fecb8b7fc7c2edce645aec1bd IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d41.753 AVAX0.00563882 27.5
0xf331b01b9ff09a73b7ea3e4189ecf222c8b6b03f5b7772398064bebff9af0a6f0xec140eb7255772442023-01-29 19:04:2049 days 17 hrs ago0x2ce84ba90f3cd2c9281cc3170295d84b60ac28b4 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d42.402727272727272 AVAX0.004462938 27
0x32f1d10805dbe786c5e0b2babe7308ca9a58efa96cbee190e879fc5a549192550xec140eb7255770842023-01-29 18:58:5949 days 17 hrs ago0x0e0f4f690027ec2f59321be818761ffa8c782309 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d42.642 AVAX0.005015835 27.5
0xd6837fa0e16ba014d7520356c88079e9bd5930e6f99d4f435aa6db75340ec7950xec140eb7255769552023-01-29 18:54:4149 days 17 hrs ago0xa9ea60bb786e9f12b29bb44ba73a38418e0a365b IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d42.934444444444444 AVAX0.004545585 27.5
0x13bce0e33e4eac2564d0e257a9c5fb1c8c8e4eb38c655eecf5c8d3482fb944da0x5f1722fc254731852023-01-27 8:33:3752 days 4 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.005716425 27.5
0x4dd0f3750ef3a871457140e394d1f8a0ff835cf88e0294881e6747bbfb72e0290x5f1722fc254731532023-01-27 8:32:2852 days 4 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.005716425 27.5
0x77d386756c3380b5e212658a6a68f900c4b23c974ab82a18f2226de8099df1bc0x5f1722fc254731172023-01-27 8:31:1552 days 4 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.006187005 27.5
0x4564a329d4fd9c0852f9e7ace88f0e78d4074fb2655d79f5a5452af3dcd7a5c60x5f1722fc254563592023-01-26 22:52:1852 days 14 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.0064901925 27.5
0x734cea5fe1679313548b75485b851f506963776424b3de821879c64751679dfc0x5f1722fc254563252023-01-26 22:51:0152 days 14 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.0060202725 27.5
0x392f58513789341f488e834b0ff9b11872f5015585ec6ca1923c0e4e39b81fc40x5f1722fc254562502023-01-26 22:48:3452 days 14 hrs ago0xb266a5ed3c1041ac5031a7af5dd436da23750fde IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40 AVAX0.0066962775 27.5
0xa56c9e3c60bc844dbd80353126fc1c7471da90b49aa88e3869b734a9cd2c94d80xec140eb7252812112023-01-22 19:30:5956 days 17 hrs ago0x5ea1b15f41857f4123b17e3ffc0b6efaf8efd327 IN  0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40.01 AVAX0.004641961077 26.740331333
[ Download CSV Export 
Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xd676c4f443681fe8d6377ecdf33e1a3f2b8b77aa79953e651cc009c284e30326258773952023-02-05 19:22:2742 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.498 AVAX
0xc67e221d1919cff2ab0f6bb41c3606533b92eb39733d88dbd001b232e833f48a258773942023-02-05 19:22:2642 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.157 AVAX
0xe87e7fd03d788b18ce898e2a3a85793239c2ca81d1352de48197df1e7cb98863258773592023-02-05 19:21:1542 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.099090909090909095 AVAX
0x87f2fb732353916ea9c822a6ed0a4dc2421c1d9410d47f1f8e5a910de5749835258773272023-02-05 19:20:1042 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.707142857142857145 AVAX
0x341cba470f36c1f595b9f466a2299475c0a326f505154379e69db5f320db9a61258771982023-02-05 19:15:4942 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.157 AVAX
0xffec48b7da51dd66c743159e180bcada08aba7b474384c7257c7520ef6465b89258770382023-02-05 19:10:2142 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.498 AVAX
0x0067358d8858668ab985ff1fb9fd3e09f7bf4508e325ab2706030cb193afc03c255776592023-01-29 19:18:1949 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc31.0475 AVAX
0x7298d4d394315492f3092d93ffbc992168c886ee6c63905c3d0a06baf52294cd255774392023-01-29 19:10:5449 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc31.006 AVAX
0x497341bc89903dc3c19555d99e9a26bcecb1a6c278326c086228f1b42ec57db3255774052023-01-29 19:09:4649 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc31.753 AVAX
0xf331b01b9ff09a73b7ea3e4189ecf222c8b6b03f5b7772398064bebff9af0a6f255772442023-01-29 19:04:2049 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc32.40272727272727273 AVAX
0x32f1d10805dbe786c5e0b2babe7308ca9a58efa96cbee190e879fc5a54919255255770842023-01-29 18:58:5949 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc32.642 AVAX
0xd6837fa0e16ba014d7520356c88079e9bd5930e6f99d4f435aa6db75340ec795255769552023-01-29 18:54:4149 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc32.934444444444444445 AVAX
0xa56c9e3c60bc844dbd80353126fc1c7471da90b49aa88e3869b734a9cd2c94d8252812112023-01-22 19:30:5956 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.01 AVAX
0x4dfde98fad28b982a97d8e4fa50e8531cec0958c73e70412039b49770acabacd252811792023-01-22 19:29:5556 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.010000000000000002 AVAX
0xd32512e9b7539513d31b0cbb1839cccb74e3f6a5d2ea69a5e6363038efdc12b2252811392023-01-22 19:28:3556 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.055333333333333338 AVAX
0xffd8aac37f6438d5edf5c5ee6211c1e2b4b8a232c87a87c6657cfad97234a437252804692023-01-22 19:06:0656 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d40xf1376072ae0e2e114ce40a3b43609a46ea99d3480.341 AVAX
0xffd8aac37f6438d5edf5c5ee6211c1e2b4b8a232c87a87c6657cfad97234a437252804692023-01-22 19:06:0656 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc32.056 AVAX
0xc6e65bf1f76b86e6e016bdc93a838ecdfcec028d20eaa8ca2aec1c8dc03a3f4f252803852023-01-22 19:03:1856 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc33.079 AVAX
0x187fb4ba80d29606887b6f468d59fe96212689f1b173b74f7d8e5412187e53c2252803202023-01-22 19:01:0756 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc31.144 AVAX
0xa021aac426e0c58d767980eb3be060e26d821f175505010b4067bcd4dc924d1c250875792023-01-18 5:35:0261 days 7 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc31.850000000000000002 AVAX
0xb55ef84d554135273d33106291194df0eada9e6409d91fed69e93c248579e915250173582023-01-16 13:43:4662 days 23 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc32.2 AVAX
0x9fac0bda244e23998943fd13051f57592fce27c6ba5e8027cc6fa649b7c37949249850612023-01-15 19:24:1363 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.388 AVAX
0x1ed33668a6152722145706f775b8b7cbe467ff1721d964a29fa09014f1d53176249849512023-01-15 19:20:3463 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.388 AVAX
0x78e6ae5adbddd7f519304f1aea9e67828b32fff76ca6aefe97870cec358c1a88249849462023-01-15 19:20:2463 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.4825 AVAX
0x841cb1a6763179771d8227b328131e67046551c0e36134f378b9d6a3cf3d406d249848552023-01-15 19:17:2263 days 17 hrs ago 0x1425d8a410d1bf8bfcf983048070a8ec2fd634d4 0xd106ec6e81e9b7f5bd33a6091a3c3e45b6183dc30.101764705882352947 AVAX
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x9702230a8ea53601f5cd2dc00fdbc13d4df4a8c7

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at snowtrace.io on 2021-11-10
*/

// SPDX-License-Identifier: MIT

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 internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        // 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 view virtual 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 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 overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {
    }
}









/**
 * @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);
}





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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    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");

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

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

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





/**
 * @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) {
        assembly {
            r.slot := slot
        }
    }

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

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

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


/**
 * @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 {
        _setImplementation(newImplementation);
        emit Upgraded(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 _upgradeToAndCallSecure(address newImplementation, bytes memory data, bool forceCall) internal {
        address oldImplementation = _getImplementation();

        // Initial upgrade and setup call
        _setImplementation(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }

        // Perform rollback test if not already in progress
        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
        if (!rollbackTesting.value) {
            // Trigger rollback using upgradeTo from the new implementation
            rollbackTesting.value = true;
            Address.functionDelegateCall(
                newImplementation,
                abi.encodeWithSignature(
                    "upgradeTo(address)",
                    oldImplementation
                )
            );
            rollbackTesting.value = false;
            // Check rollback was effective
            require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
            // Finally reset to the new implementation and log the upgrade
            _setImplementation(newImplementation);
            emit Upgraded(newImplementation);
        }
    }

    /**
     * @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);
        }
    }

    /**
     * @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 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.
 */
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
     * @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) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}


/**
 * @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 ERC1967Proxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.
     */
    constructor(address _logic, address admin_, bytes memory _data) payable ERC1967Proxy(_logic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _changeAdmin(admin_);
    }

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

    /**
     * @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 virtual ifAdmin {
        _changeAdmin(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 {
        _upgradeToAndCall(newImplementation, bytes(""), false);
    }

    /**
     * @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 {
        _upgradeToAndCall(newImplementation, data, true);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address) {
        return _getAdmin();
    }

    /**
     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
     */
    function _beforeFallback() internal virtual override {
        require(msg.sender != _getAdmin(), "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":"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"},{"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://93f028255035b61df476b13b9dba3c4f06f60e51b9b4caee31680b389aef327f
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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