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Gas: 25 GWei

Contract

0xFa51eFDc0910CCdA91732e6806912Fa12e2FD475

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To
Approve539890642025-12-16 12:57:0214 hrs ago1765889822IN
0xFa51eFDc...12e2FD475
0 CELO0.0013314826
Approve539221892025-12-15 18:22:2732 hrs ago1765822947IN
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0 CELO0.0013314826
Approve539205092025-12-15 17:54:2733 hrs ago1765821267IN
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0 CELO0.0013317926
Approve539204812025-12-15 17:53:5933 hrs ago1765821239IN
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0 CELO0.0013314826
Approve530071522025-12-05 4:11:5011 days ago1764907910IN
0xFa51eFDc...12e2FD475
0 CELO0.0012869225.001
Approve530071192025-12-05 4:11:1711 days ago1764907877IN
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0 CELO0.0012815225.001
Approve520589922025-11-24 4:49:1022 days ago1763959750IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
Approve515601152025-11-18 10:14:3328 days ago1763460873IN
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0 CELO0.000783425.001
Approve515567602025-11-18 9:18:3828 days ago1763457518IN
0xFa51eFDc...12e2FD475
0 CELO0.000853425.001
Approve515563312025-11-18 9:11:2928 days ago1763457089IN
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0 CELO0.000783425.001
Approve515560702025-11-18 9:07:0828 days ago1763456828IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
Approve515559912025-11-18 9:05:4928 days ago1763456749IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
Approve515546722025-11-18 8:43:5028 days ago1763455430IN
0xFa51eFDc...12e2FD475
0 CELO0.0012809225.001
Approve514895452025-11-17 14:38:2329 days ago1763390303IN
0xFa51eFDc...12e2FD475
0 CELO0.0007853525.06327205
Approve514894402025-11-17 14:36:3829 days ago1763390198IN
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0 CELO0.0007861825.08969732
Approve514886892025-11-17 14:24:0729 days ago1763389447IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
Approve514862602025-11-17 13:43:3829 days ago1763387018IN
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0 CELO0.000853425.001
Approve514862222025-11-17 13:43:0029 days ago1763386980IN
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0 CELO0.000853725.001
Approve514852582025-11-17 13:26:5629 days ago1763386016IN
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0 CELO0.000783425.001
Approve514847822025-11-17 13:19:0029 days ago1763385540IN
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0 CELO0.000783425.001
Approve514845832025-11-17 13:15:4129 days ago1763385341IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
Approve514839832025-11-17 13:05:4129 days ago1763384741IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
Approve514836562025-11-17 13:00:1429 days ago1763384414IN
0xFa51eFDc...12e2FD475
0 CELO0.0008538425.01382022
Approve514834512025-11-17 12:56:4929 days ago1763384209IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
Approve510733582025-11-12 19:01:5634 days ago1762974116IN
0xFa51eFDc...12e2FD475
0 CELO0.000783425.001
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Parent Transaction Hash Block From To
171737872023-01-12 15:23:081069 days ago1673536988  Contract Creation0 CELO

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Contract Source Code Verified (Exact Match)

Contract Name:
UUPSProxy

Compiler Version
v0.8.16+commit.07a7930e

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at celoscan.io on 2023-01-13
*/

// Sources flattened with hardhat v2.12.4 https://hardhat.org

// File contracts/upgradability/UUPSUtils.sol


/**
 * @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 @openzeppelin/contracts/proxy/[email protected]


/**
 * @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 {}
}


// File contracts/upgradability/UUPSProxy.sol

// SPDX-License-Identifier: AGPLv3
pragma solidity 0.8.16;


/**
 * @title 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();
    }

}

Contract Security Audit

Contract ABI

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

Contract Creation Code

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Deployed Bytecode

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

Deployed Bytecode Sourcemap

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Swarm Source

ipfs://9b58aa53d1a30f60f937a8ec6ab95e94f3b48e2e1cae54384ae904ce731e1a4e

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