Address Details
contract
proxy

0x80048b9A29F77C92cD4172dF27CeE4D7BA3a8d07

Contract Name
Conclave-I
Creator
0x743d80–035b13 at 0xd53b8c–b79511
Implementation
0xc6ba90504c7b276b3786405b6d86eca22a09b1d7
Balance
1 CELO ( )
Locked CELO Balance
0.00 CELO
Voting CELO Balance
0.00 CELO
Pending Unlocked Gold
0.00 CELO
Lifetime Voting Rewards
71268.39 CELO
Tokens
Fetching tokens...
Transactions
191 Transactions
Transfers
754 Transfers
Gas Used
13,622,358
Last Balance Update
11585283
Contract is not verified. However, we found a verified contract with the same bytecode in Blockscout DB 0x7c75b0b81a54359e9dccda9cb663ca2e3de6b710.
All metadata displayed below is from that contract. In order to verify current contract, click Verify & Publish button
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Contract name:
Proxy




Optimization enabled
false
Compiler version
v0.5.13+commit.5b0b510c




Verified at
2021-08-21T00:08:30.393197Z

Contract source code

pragma solidity ^0.5.13;
/* solhint-disable no-inline-assembly, no-complex-fallback, avoid-low-level-calls */

import "openzeppelin-solidity/contracts/utils/Address.sol";

/**
 * @title A Proxy utilizing the Unstructured Storage pattern.
 */
contract Proxy {
  // Used to store the address of the owner.
  bytes32 private constant OWNER_POSITION = bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1);
  // Used to store the address of the implementation contract.
  bytes32 private constant IMPLEMENTATION_POSITION = bytes32(
    uint256(keccak256("eip1967.proxy.implementation")) - 1
  );

  event OwnerSet(address indexed owner);
  event ImplementationSet(address indexed implementation);

  constructor() public {
    _setOwner(msg.sender);
  }

  /**
   * @notice Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(msg.sender == _getOwner(), "sender was not owner");
    _;
  }

  /**
   * @notice Delegates calls to the implementation contract.
   */
  function() external payable {
    bytes32 implementationPosition = IMPLEMENTATION_POSITION;

    address implementationAddress;

    // Load the address of the implementation contract from an explicit storage slot.
    assembly {
      implementationAddress := sload(implementationPosition)
    }

    // Avoid checking if address is a contract or executing delegated call when
    // implementation address is 0x0
    require(implementationAddress != address(0), "No Implementation set");
    require(Address.isContract(implementationAddress), "Invalid contract address");

    assembly {
      // Extract the position of the transaction data (i.e. function ID and arguments).
      let newCallDataPosition := mload(0x40)
      mstore(0x40, add(newCallDataPosition, calldatasize))
      calldatacopy(newCallDataPosition, 0, calldatasize)

      // Call the smart contract at `implementationAddress` in the context of the proxy contract,
      // with the same msg.sender and value.
      let delegatecallSuccess := delegatecall(
        gas,
        implementationAddress,
        newCallDataPosition,
        calldatasize,
        0,
        0
      )

      // Copy the return value of the call so it can be returned.
      let returnDataSize := returndatasize
      let returnDataPosition := mload(0x40)
      mstore(0x40, add(returnDataPosition, returnDataSize))
      returndatacopy(returnDataPosition, 0, returnDataSize)

      // Revert or return depending on whether or not the call was successful.
      switch delegatecallSuccess
        case 0 {
          revert(returnDataPosition, returnDataSize)
        }
        default {
          return(returnDataPosition, returnDataSize)
        }
    }
  }

  /**
   * @notice Transfers ownership of Proxy to a new owner.
   * @param newOwner Address of the new owner account.
   */
  function _transferOwnership(address newOwner) external onlyOwner {
    _setOwner(newOwner);
  }

  /**
   * @notice Sets the address of the implementation contract and calls into it.
   * @param implementation Address of the new target contract.
   * @param callbackData The abi-encoded function call to perform in the implementation
   * contract.
   * @dev Throws if the initialization callback fails.
   * @dev If the target contract does not need initialization, use
   * setImplementation instead.
   */
  function _setAndInitializeImplementation(address implementation, bytes calldata callbackData)
    external
    payable
    onlyOwner
  {
    _setImplementation(implementation);
    bool success;
    bytes memory returnValue;
    (success, returnValue) = implementation.delegatecall(callbackData);
    require(success, "initialization callback failed");
  }

  /**
   * @notice Returns the implementation address.
   */
  function _getImplementation() external view returns (address implementation) {
    bytes32 implementationPosition = IMPLEMENTATION_POSITION;
    // Load the address of the implementation contract from an explicit storage slot.
    assembly {
      implementation := sload(implementationPosition)
    }
  }

  /**
   * @notice Sets the address of the implementation contract.
   * @param implementation Address of the new target contract.
   * @dev If the target contract needs to be initialized, call
   * setAndInitializeImplementation instead.
   */
  function _setImplementation(address implementation) public onlyOwner {
    bytes32 implementationPosition = IMPLEMENTATION_POSITION;

    require(Address.isContract(implementation), "Invalid contract address");

    // Store the address of the implementation contract in an explicit storage slot.
    assembly {
      sstore(implementationPosition, implementation)
    }

    emit ImplementationSet(implementation);
  }

  /**
   * @notice Returns the Proxy owner's address.
   */
  function _getOwner() public view returns (address owner) {
    bytes32 position = OWNER_POSITION;
    // Load the address of the contract owner from an explicit storage slot.
    assembly {
      owner := sload(position)
    }
  }

  function _setOwner(address newOwner) private {
    require(newOwner != address(0), "owner cannot be 0");
    bytes32 position = OWNER_POSITION;
    // Store the address of the contract owner in an explicit storage slot.
    assembly {
      sstore(position, newOwner)
    }
    emit OwnerSet(newOwner);
  }
}

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","payable":false,"inputs":[]},{"type":"event","name":"ImplementationSet","inputs":[{"type":"address","name":"implementation","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"OwnerSet","inputs":[{"type":"address","name":"owner","internalType":"address","indexed":true}],"anonymous":false},{"type":"fallback","stateMutability":"payable","payable":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"implementation","internalType":"address"}],"name":"_getImplementation","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"owner","internalType":"address"}],"name":"_getOwner","inputs":[],"constant":true},{"type":"function","stateMutability":"payable","payable":true,"outputs":[],"name":"_setAndInitializeImplementation","inputs":[{"type":"address","name":"implementation","internalType":"address"},{"type":"bytes","name":"callbackData","internalType":"bytes"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"_setImplementation","inputs":[{"type":"address","name":"implementation","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"_transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}],"constant":false}]

Contract Creation Code

Verify & Publish 
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Deployed ByteCode

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