Contract 0xB20200908d60f1d7bc68594f677bC15070a87504

Contract Overview

Balance:
0 Ether

Token:
Txn Hash
Method
Block
From
To
Value
0xd35a431c018c3c0bf067c202d9c7d0f05ad6d3438bb2e0c6119f744a1c35ad8dUpgrade325386322022-07-04 8:58:0416 hrs 32 mins ago0x034eabd89ef477e413e8ded4916f6b22271ec022 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00018632 2.5
0x7e23b486e60a4d20a751422a450c67988e195f48f84ef6ff0ba442f9bbbe056fUpgrade324697142022-06-30 10:14:244 days 15 hrs ago0x07e5eb34a953ddaa0986d587b6ba87115850fcb7 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0x60bb2f34bd4e3e459b26afd7579b9a9713797ffd4896c26664766252f3fa8138Upgrade324695832022-06-30 10:04:564 days 15 hrs ago0xe1a6fcb33cd5a561476bb349581980690d72e8e7 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0x324c6ebd7cd64b022d3f161a71ac09f914896a439183e844911caadf79d729c0Transfer324647152022-06-30 3:32:124 days 21 hrs ago0x5bb619be414eb34a1c3b9ce8d268e3339f005b96 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.0003803 2.5
0xe7016a0660437be59f03f81134e4f184c7e91c2e2d71755dea670a6687361185Upgrade324646782022-06-30 3:29:244 days 22 hrs ago0x5bb619be414eb34a1c3b9ce8d268e3339f005b96 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0xbc5ede5fd4418857b70e68ce2ccceb7451250515e9cfa9bd927c62d4e3e86576Downgrade324645812022-06-30 3:21:124 days 22 hrs ago0x034eabd89ef477e413e8ded4916f6b22271ec022 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00049292 2.5
0x903882614199c079b20260725973d486b9d54282afb566b00cb8b85c88fcc351Upgrade324645752022-06-30 3:20:404 days 22 hrs ago0x034eabd89ef477e413e8ded4916f6b22271ec022 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0xaa1ec89cc8f630fe9a4bdc78b3817690710f89fb3da312f90e89a1984d85b23aUpgrade324511092022-06-29 10:12:325 days 15 hrs ago0xfb965bfc4efdab9b54da1fdbb22c2434fc003895 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0x30f24ff36fe79fb821d39a440feb2265886d4067dea2bbd3038c1087344eec38Upgrade324510562022-06-29 10:08:565 days 15 hrs ago0x2d2e0fd59f9d6568b580e029ae7d7b1334342ca6 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0x3e4d8e1f35d3f0ab2378db7432029358232168dd4bd19424ccc1b490ca5a9e36Upgrade324141942022-06-27 15:14:047 days 10 hrs ago0xf3fce9fd5e14cc95e9caac55427d7a5ddc02b0c7 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0xe0544af3bf83c1edf0da0177a12bc871265848b344e039b5720936161198f3f9Upgrade324141342022-06-27 15:10:007 days 10 hrs ago0xb8581ea63e3f94e36e61ee1b5512c25a18d7014b IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0x7483fd91e4cc316a42e044f49cbf75d6e48d416a2e1d78ab203eb118d12fdbecUpgrade323346802022-06-23 12:36:2411 days 12 hrs ago0x04d77b9842a5002da9a5e16e39d97f242c4b9d59 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0xb83bf82214a6e4a73ff574da564249eba3340c67703c76fd925c7212bcc89f92Upgrade323345262022-06-23 12:25:1211 days 13 hrs ago0x6643759db9567a7c26d0ee9fe64c706f4d1281cd IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021707 2.5
0x699854ec185225049cd00aa154d745562813f84374a12305ad03b29a38bd2a84Upgrade320785962022-06-09 0:00:3226 days 1 hr ago0x7f84f44127f4337a16820321658903c01f06d622 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00022899 2.5
0xd2784d2497f7bf7aaed30bc1f649d507a6a9cabc9d6381637a8ea3e69912cdc3Upgrade320367132022-06-06 15:14:5628 days 10 hrs ago0x7ea05fd70ccbb7c147a82a49a3bbecf12b7927d3 IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021699 2.5
0x00ae52068b5418f2eaee557c98c1222b37fe77c2385b0efce06e9627a8c53772Upgrade318642752022-05-28 9:53:1237 days 15 hrs ago0xc921320afdb090278d2f4ccf0d5597d5452823da IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00022899 2.5
0x34221353a3c9aa51204d552af214cad05eb364625bc260837368693cb25bf2e2Transfer317485972022-05-22 16:01:4043 days 9 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00042288 2.5
0x06808cd605d1f6618b6d89f81d7818f002b815e911d4247517c136a9c7292bb0Transfer317469192022-05-22 13:59:0843 days 11 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00042291 2.5
0xa4175409249b5ea4ba766914adb247ad9d3be0a6375b84f291f6373580867177Approve317468732022-05-22 13:55:2843 days 11 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00008297 2.425
0x64479535bfa1a12c76baf83b9a7a7a53b319ae1dab7b82676aa6e2496ace98f7Approve317468202022-05-22 13:51:3643 days 11 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.0000739 2.35225
0xadba88bc4e7d17ad12814cf451c678fed137cf6ba467ad592f763a0219f446e4Approve317467962022-05-22 13:49:5243 days 11 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00007807 2.2816825
0xfb613c4bc1595a8025b944c00f97285f78d9f98e6df1222c40265d86a1f78b08Approve317467932022-05-22 13:49:3643 days 11 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00007375 2.35225
0xde8514bc649d54fd97d1452af63247d405f9956b3414b4cbbd9a1df4edfbcc53Approve317467852022-05-22 13:49:0443 days 11 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00012429 2.425
0xd7bc839a9b831942a8a180357bf31f736cef99b30dd822b4eb010f3a67d104c7Transfer317421282022-05-22 8:22:1643 days 17 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00042327 2.5
0xf22c9ef8bafc9f6d6bf62b499e79dc56a76ad12c158a8f857e62c0e29ceca4c8Upgrade317421182022-05-22 8:21:2843 days 17 hrs ago0x8e061bd1fcc89392cddc3390869c5576b24a712a IN  0xb20200908d60f1d7bc68594f677bc15070a875040 Ether0.00021753 2.5
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Latest 25 internal transaction
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0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0xf0d7d1d47109ba426b9d8a3cde1941327af1eea30 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0xf0d7d1d47109ba426b9d8a3cde1941327af1eea30 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0xb8065d19060a7ee66a61e1216702c199c68584eb0 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0xf0d7d1d47109ba426b9d8a3cde1941327af1eea30 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0xf0d7d1d47109ba426b9d8a3cde1941327af1eea30 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xb20200908d60f1d7bc68594f677bc15070a87504 0x5de9804868319540008a88f2de64450d4ed04a860 Ether
0xce36c6fc3de84606fc0bf9a7cc858e6f7e2750569ae20b145aaa00323ad5f894325401552022-07-04 10:52:5614 hrs 37 mins ago 0xeca8056809e7e8db04a8ff6e4e82cd889a46fe2f 0xb20200908d60f1d7bc68594f677bc15070a875040 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
UUPSProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 3 : UUPSProxy.sol
// SPDX-License-Identifier: AGPLv3
pragma solidity 0.7.6;

import { UUPSUtils } from "./UUPSUtils.sol";
import { Proxy } from "@openzeppelin/contracts/proxy/Proxy.sol";


/**
 * @dev UUPS (Universal Upgradeable Proxy Standard) Proxy
 *
 * NOTE:
 * - Compliant with [Universal Upgradeable Proxy Standard](https://eips.ethereum.org/EIPS/eip-1822)
 * - Compiiant with [Standard Proxy Storage Slots](https://eips.ethereum.org/EIPS/eip-1967)
 * - Implements delegation of calls to other contracts, with proper forwarding of
 *   return values and bubbling of failures.
 * - It defines a fallback function that delegates all calls to the implementation.
 */
contract UUPSProxy is Proxy {

    /**
     * @dev Proxy initialization function.
     *      This should only be called once and it is permission-less.
     * @param initialAddress Initial logic contract code address to be used.
     */
    function initializeProxy(address initialAddress) external {
        require(initialAddress != address(0), "UUPSProxy: zero address");
        require(UUPSUtils.implementation() == address(0), "UUPSProxy: already initialized");
        UUPSUtils.setImplementation(initialAddress);
    }

    /// @dev Proxy._implementation implementation
    function _implementation() internal virtual override view returns (address)
    {
        return UUPSUtils.implementation();
    }

}

File 2 of 3 : UUPSUtils.sol
// SPDX-License-Identifier: AGPLv3
pragma solidity 0.7.6;

/**
 * @title UUPS (Universal Upgradeable Proxy Standard) Shared Library
 */
library UUPSUtils {

    /**
     * @dev Implementation slot constant.
     * Using https://eips.ethereum.org/EIPS/eip-1967 standard
     * Storage slot 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
     * (obtained as bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)).
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /// @dev Get implementation address.
    function implementation() internal view returns (address impl) {
        assembly { // solium-disable-line
            impl := sload(_IMPLEMENTATION_SLOT)
        }
    }

    /// @dev Set new implementation address.
    function setImplementation(address codeAddress) internal {
        assembly {
            // solium-disable-line
            sstore(
                _IMPLEMENTATION_SLOT,
                codeAddress
            )
        }
    }

}

File 3 of 3 : Proxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

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

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract ABI

[{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"initialAddress","type":"address"}],"name":"initializeProxy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.