Contract 0xF76f17682888a738a6DF40aa63ac2b4B1a380831

Contract Overview

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0xd40980b0ff0ca376331fa79d6bb312d68652a66baaf267fc2994f28f7b088f84Add Addresses85456092021-05-07 20:24:04423 days 4 hrs ago0x3f0556bca55bdbb78a9316936067a47fd4c4c4f4 IN  0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether0.000125461
0x81ff110d72e6b9715d983d56168e80db3987e083b312506150b017976654b79c0x6080604085456082021-05-07 20:23:49423 days 4 hrs ago0x3f0556bca55bdbb78a9316936067a47fd4c4c4f4 IN  Contract Creation0 Ether0.000857911
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0x1dd70aa5fa34805893a902251e682eec3ebcdf940faf1ea18a011f5a8405588186548642021-05-26 19:51:08404 days 5 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xbbf0ed2a3058bb17ff6cde86c45c5906880f6e025d1af4e112b69eb58414c01c86494672021-05-25 21:21:39405 days 3 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xfc6660d41952c1cc0d137da511119edf9824941b95f5deabd5259839a50c1b6b86259312021-05-21 19:15:52409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x53067840c20d489a3bc71adaf3584bdfeb76caeec6bad42bfcd4eefd598e4a1586259122021-05-21 19:11:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xf4b79364acf4037a4d0e7e0fffaabd9f769a94a8f5fa629aeea360feeae2b3bf86258922021-05-21 19:06:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x510b52909f42f18df0d860c1d2aade771fce64403b7f20579490f5c8aa69c04986258722021-05-21 19:01:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xc2347e1b9690f9d8539b297a34a1d28eb16d4c13b4080e6da653532b4e2fa9fa86258522021-05-21 18:56:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xe96778e4191522cee5a6476515b2c1026af31d7d97cc8554c591f16d3bdd6a1886258312021-05-21 18:50:51409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x59fe727414c2bef10ed0e9f1267901c4ebef671e28dc99da460599239316d72386258122021-05-21 18:46:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x46efdf3de2835e9a08f441d98fca7bc18ed8f3ac2967cad938bef1b215cbaa5986257922021-05-21 18:41:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x1a83e6bcc2150b7942309d6808f490333356e8d8030afc813da46fa60407817386257722021-05-21 18:36:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x59c88c70326a57eefc5d9ae72b1c3848950c8d3eb34097dce7377ae6448bac8186257522021-05-21 18:31:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x1d762e08183a0bf77d5bd01e74b4b08084f5e622b37196e2b137897cb0ea7d4b86257322021-05-21 18:26:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x8fc8e7933dcb6d3e365fc1c436bc35228c960adf4ef1bbf8f82c59084703c31a86257122021-05-21 18:21:06409 days 6 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x55e40e0d4235aacb7aa1a84bdc094814899223cbc9e918e270f6abd662e9bb0c86256922021-05-21 18:16:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x84079cd274cd52ddcb7941f800cf09ba4000285f5e7ed4f10b0b9a00e75259b086256722021-05-21 18:11:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xdfcba7b831b49cbd35a5a1ff7a6e0aa0795fb969f0949664f64b8f491eba250886256522021-05-21 18:06:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x7590bd17dfcc28b5bcfad2376c7464c1f84e5afd3a444b27eec12940857e5dce86256322021-05-21 18:01:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xfd32b8cbb7fddcecc061975ed085249873645f8acb0c2995bb0e54b64de8f6ff86256122021-05-21 17:56:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x8f35fdd032dbddcb9f510d80a500c51f0daf29b16da6309c320c675ed3cdc63486255922021-05-21 17:51:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xf8abf8e7c2a239c16d02dba91a1eeabbb0408fbef807b5aff90f20985f13dd4486255722021-05-21 17:46:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0xf965963323733b37f805601482bd7c7a509e7ffd461356c650999e149b2a77db86255512021-05-21 17:40:51409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x6ac7a3d7aa5032549e602145770338fc02f0a5195258d32c326fd96e34e2110286255322021-05-21 17:36:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x1ed199f78e9f38a5578172ca216f6541fcb28b36994224b6dfdb179ce0b5fd7586255122021-05-21 17:31:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
0x61b10e824a6f5cc2d404c0979662b52285e423e38947eb41f22717ede66c761e86254922021-05-21 17:26:06409 days 7 hrs ago 0x3fbcb09ee774f7e32ba4d60d1e2d4cb9ce703984 0xf76f17682888a738a6df40aa63ac2b4b1a3808310 Ether
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xB917f266424B803F389c79B86609710247a0370f

Contract Name:
AddressRegistry

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
File 1 of 4 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 2 of 4 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

File 3 of 4 : AddressRegistry.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.12 <=0.7.6;

import "@openzeppelin/contracts/access/Ownable.sol";

import "./utils/MappedSinglyLinkedList.sol";

///@notice A registry to hold Contract addresses.  Underlying data structure is a singly linked list. 
contract AddressRegistry is Ownable {

    using MappedSinglyLinkedList for MappedSinglyLinkedList.Mapping;

    MappedSinglyLinkedList.Mapping internal addressList;

    /// @notice Emmitted when a contract has been added to the registry
    event AddressAdded(address indexed _address);
    
    /// @notice Emmitted when a contract has been removed to the registry
    event AddressRemoved(address indexed _address);

    /// @notice Emitted when all the registry addresses are cleared
    event AllAddressesCleared();

    /// @notice Storage field for what type of contract this Registry is storing 
    string public addressType;    

    /// @notice Contract constructor sets addressType, intializes list and transfers ownership
    /// @param _addressType The type of contracts stored in this registry 
    /// @param _owner The address to set as owner of the contract
    constructor(string memory _addressType, address _owner) Ownable() {
        addressType = _addressType;
        addressList.initialize();
        transferOwnership(_owner);
    }

    /// @notice Returns an array of all contract addresses in the linked list
    /// @return Array of contract addresses
    function getAddresses() view external returns(address[] memory) {
        return addressList.addressArray();
    } 

    /// @notice Adds addresses to the linked list. Will revert if the address is already in the list.  Can only be called by the Registry owner.
    /// @param _addresses Array of contract addresses to be added
    function addAddresses(address[] calldata _addresses) public onlyOwner {
        for(uint256 _address = 0; _address < _addresses.length; _address++ ){
            addressList.addAddress(_addresses[_address]);
            emit AddressAdded(_addresses[_address]);
        }
    }

    /// @notice Removes an address from the linked list. Can only be called by the Registry owner.
    /// @param _previousContract The address positionally located before the address that will be deleted. This may be the SENTINEL address if the list contains one contract address
    /// @param _address The address to remove from the linked list. 
    function removeAddress(address _previousContract, address _address) public onlyOwner {
        addressList.removeAddress(_previousContract, _address); 
        emit AddressRemoved(_address);
    } 

    /// @notice Removes every address from the list
    function clearAll() public onlyOwner {
        addressList.clearAll();
        emit AllAddressesCleared();
    }
    
    /// @notice Determines whether the list contains the given address
    /// @param _addr The address to check
    /// @return True if the address is contained, false otherwise.
    function contains(address _addr) public returns (bool) {
        return addressList.contains(_addr);
    }

    /// @notice Gives the address at the start of the list
    /// @return The address at the start of the list
    function start() public view returns (address) {
        return addressList.start();
    }

    /// @notice Exposes the internal next() iterator
    /// @param current The current address
    /// @return Returns the next address in the list
    function next(address current) public view returns (address) {
        return addressList.next(current);
    }
    
    /// @notice Exposes the end of the list
    /// @return The sentinel address
    function end() public view returns (address) {
        return addressList.end();
    }

}

File 4 of 4 : MappedSinglyLinkedList.sol
// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.7.6;

/// @notice An efficient implementation of a singly linked list of addresses
/// @dev A mapping(address => address) tracks the 'next' pointer.  A special address called the SENTINEL is used to denote the beginning and end of the list.
library MappedSinglyLinkedList {

  /// @notice The special value address used to denote the end of the list
  address public constant SENTINEL = address(0x1);

  /// @notice The data structure to use for the list.
  struct Mapping {
    uint256 count;

    mapping(address => address) addressMap;
  }

  /// @notice Initializes the list.
  /// @dev It is important that this is called so that the SENTINEL is correctly setup.
  function initialize(Mapping storage self) internal {
    require(self.count == 0, "Already init");
    self.addressMap[SENTINEL] = SENTINEL;
  }

  function start(Mapping storage self) internal view returns (address) {
    return self.addressMap[SENTINEL];
  }

  function next(Mapping storage self, address current) internal view returns (address) {
    return self.addressMap[current];
  }

  function end(Mapping storage) internal pure returns (address) {
    return SENTINEL;
  }

  function addAddresses(Mapping storage self, address[] memory addresses) internal {
    for (uint256 i = 0; i < addresses.length; i++) {
      addAddress(self, addresses[i]);
    }
  }

  /// @notice Adds an address to the front of the list.
  /// @param self The Mapping struct that this function is attached to
  /// @param newAddress The address to shift to the front of the list
  function addAddress(Mapping storage self, address newAddress) internal {
    require(newAddress != SENTINEL && newAddress != address(0), "Invalid address");
    require(self.addressMap[newAddress] == address(0), "Already added");
    self.addressMap[newAddress] = self.addressMap[SENTINEL];
    self.addressMap[SENTINEL] = newAddress;
    self.count = self.count + 1;
  }

  /// @notice Removes an address from the list
  /// @param self The Mapping struct that this function is attached to
  /// @param prevAddress The address that precedes the address to be removed.  This may be the SENTINEL if at the start.
  /// @param addr The address to remove from the list.
  function removeAddress(Mapping storage self, address prevAddress, address addr) internal {
    require(addr != SENTINEL && addr != address(0), "Invalid address");
    require(self.addressMap[prevAddress] == addr, "Invalid prevAddress");
    self.addressMap[prevAddress] = self.addressMap[addr];
    delete self.addressMap[addr];
    self.count = self.count - 1;
  }

  /// @notice Determines whether the list contains the given address
  /// @param self The Mapping struct that this function is attached to
  /// @param addr The address to check
  /// @return True if the address is contained, false otherwise.
  function contains(Mapping storage self, address addr) internal view returns (bool) {
    return addr != SENTINEL && addr != address(0) && self.addressMap[addr] != address(0);
  }

  /// @notice Returns an address array of all the addresses in this list
  /// @dev Contains a for loop, so complexity is O(n) wrt the list size
  /// @param self The Mapping struct that this function is attached to
  /// @return An array of all the addresses
  function addressArray(Mapping storage self) internal view returns (address[] memory) {
    address[] memory array = new address[](self.count);
    uint256 count;
    address currentAddress = self.addressMap[SENTINEL];
    while (currentAddress != address(0) && currentAddress != SENTINEL) {
      array[count] = currentAddress;
      currentAddress = self.addressMap[currentAddress];
      count++;
    }
    return array;
  }

  /// @notice Removes every address from the list
  /// @param self The Mapping struct that this function is attached to
  function clearAll(Mapping storage self) internal {
    address currentAddress = self.addressMap[SENTINEL];
    while (currentAddress != address(0) && currentAddress != SENTINEL) {
      address nextAddress = self.addressMap[currentAddress];
      delete self.addressMap[currentAddress];
      currentAddress = nextAddress;
    }
    self.addressMap[SENTINEL] = SENTINEL;
    self.count = 0;
  }
}

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

Contract ABI

[{"inputs":[{"internalType":"string","name":"_addressType","type":"string"},{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_address","type":"address"}],"name":"AddressAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_address","type":"address"}],"name":"AddressRemoved","type":"event"},{"anonymous":false,"inputs":[],"name":"AllAddressesCleared","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"}],"name":"addAddresses","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"addressType","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"clearAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"contains","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"end","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAddresses","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"current","type":"address"}],"name":"next","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_previousContract","type":"address"},{"internalType":"address","name":"_address","type":"address"}],"name":"removeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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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.