MATIC Price: $1.00 (-0.66%)
Gas: 62 GWei
 

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Polygon PoS Chain LogoPolygon PoS Chain LogoPolygon PoS Chain Logo0 MATIC

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Transaction Hash
Method
Block
From
To
Value
0x60a06040127952462021-04-03 0:23:361090 days ago1617409416IN
 Create: InstaList
0 MATIC0.001947831

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Contract Source Code Verified (Exact Match)

Contract Name:
InstaList

Compiler Version
v0.7.0+commit.9e61f92b

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, None license
/**
 *Submitted for verification at polygonscan.com on 2021-06-30
*/

// Sources flattened with hardhat v2.0.8 https://hardhat.org

// File contracts/registry/list.sol

pragma solidity ^0.7.0;

/**
 * @title InstaList
 * @dev Registry For DeFi Smart Account Authorised user.
 */

interface AccountInterface {
    function isAuth(address _user) external view returns (bool);
}


contract DSMath {

    function add(uint64 x, uint64 y) internal pure returns (uint64 z) {
        require((z = x + y) >= x, "ds-math-add-overflow");
    }

    function sub(uint64 x, uint64 y) internal pure returns (uint64 z) {
        require((z = x - y) <= x, "ds-math-sub-underflow");
    }

}


contract Variables is DSMath {

    // InstaIndex Address.
    address public immutable instaIndex;

    constructor (address _instaIndex) {
        instaIndex = _instaIndex;
    }

    // Smart Account Count.
    uint64 public accounts;
    // Smart Account ID (Smart Account Address => Account ID).
    mapping (address => uint64) public accountID;
    // Smart Account Address (Smart Account ID => Smart Account Address).
    mapping (uint64 => address) public accountAddr;

    // User Link (User Address => UserLink(Account ID of First and Last And Count of Smart Accounts)).
    mapping (address => UserLink) public userLink;
    // Linked List of Users (User Address => Smart Account ID => UserList(Previous and next Account ID)).
    mapping (address => mapping(uint64 => UserList)) public userList;

    struct UserLink {
        uint64 first;
        uint64 last;
        uint64 count;
    }
    struct UserList {
        uint64 prev;
        uint64 next;
    }

    // Account Link (Smart Account ID => AccountLink).
    mapping (uint64 => AccountLink) public accountLink; // account => account linked list connection
    // Linked List of Accounts (Smart Account ID => Account Address => AccountList).
    mapping (uint64 => mapping (address => AccountList)) public accountList; // account => user address => list

    struct AccountLink {
        address first;
        address last;
        uint64 count;
    }
    struct AccountList {
        address prev;
        address next;
    }

}

contract Configure is Variables {

    constructor (address _instaIndex) Variables(_instaIndex) {
    }

    /**
     * @dev Add Account to User Linked List.
     * @param _owner Account Owner.
     * @param _account Smart Account Address.
    */
    function addAccount(address _owner, uint64 _account) internal {
        if (userLink[_owner].last != 0) {
            userList[_owner][_account].prev = userLink[_owner].last;
            userList[_owner][userLink[_owner].last].next = _account;
        }
        if (userLink[_owner].first == 0) userLink[_owner].first = _account;
        userLink[_owner].last = _account;
        userLink[_owner].count = add(userLink[_owner].count, 1);
    }

    /**
     * @dev Remove Account from User Linked List.
     * @param _owner Account Owner/User.
     * @param _account Smart Account Address.
    */
    function removeAccount(address _owner, uint64 _account) internal {
        uint64 _prev = userList[_owner][_account].prev;
        uint64 _next = userList[_owner][_account].next;
        if (_prev != 0) userList[_owner][_prev].next = _next;
        if (_next != 0) userList[_owner][_next].prev = _prev;
        if (_prev == 0) userLink[_owner].first = _next;
        if (_next == 0) userLink[_owner].last = _prev;
        userLink[_owner].count = sub(userLink[_owner].count, 1);
        delete userList[_owner][_account];
    }

    /**
     * @dev Add Owner to Account Linked List.
     * @param _owner Account Owner.
     * @param _account Smart Account Address.
    */
    function addUser(address _owner, uint64 _account) internal {
        if (accountLink[_account].last != address(0)) {
            accountList[_account][_owner].prev = accountLink[_account].last;
            accountList[_account][accountLink[_account].last].next = _owner;
        }
        if (accountLink[_account].first == address(0)) accountLink[_account].first = _owner;
        accountLink[_account].last = _owner;
        accountLink[_account].count = add(accountLink[_account].count, 1);
    }

    /**
     * @dev Remove Owner from Account Linked List.
     * @param _owner Account Owner.
     * @param _account Smart Account Address.
    */
    function removeUser(address _owner, uint64 _account) internal {
        address _prev = accountList[_account][_owner].prev;
        address _next = accountList[_account][_owner].next;
        if (_prev != address(0)) accountList[_account][_prev].next = _next;
        if (_next != address(0)) accountList[_account][_next].prev = _prev;
        if (_prev == address(0)) accountLink[_account].first = _next;
        if (_next == address(0)) accountLink[_account].last = _prev;
        accountLink[_account].count = sub(accountLink[_account].count, 1);
        delete accountList[_account][_owner];
    }

}

contract InstaList is Configure {
    constructor (address _instaIndex) public Configure(_instaIndex) {}


    /**
     * @dev Enable Auth for Smart Account.
     * @param _owner Owner Address.
    */
    function addAuth(address _owner) external {
        require(accountID[msg.sender] != 0, "not-account");
        require(AccountInterface(msg.sender).isAuth(_owner), "not-owner");
        addAccount(_owner, accountID[msg.sender]);
        addUser(_owner, accountID[msg.sender]);
    }

    /**
     * @dev Disable Auth for Smart Account.
     * @param _owner Owner Address.
    */
    function removeAuth(address _owner) external {
        require(accountID[msg.sender] != 0, "not-account");
        require(!AccountInterface(msg.sender).isAuth(_owner), "already-owner");
        removeAccount(_owner, accountID[msg.sender]);
        removeUser(_owner, accountID[msg.sender]);
    }

    /**
     * @dev Setup Initial configuration of Smart Account.
     * @param _account Smart Account Address.
    */
    function init(address  _account) external {
        require(msg.sender == instaIndex, "not-index");
        accounts++;
        accountID[_account] = accounts;
        accountAddr[accounts] = _account;
    }

}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_instaIndex","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint64","name":"","type":"uint64"}],"name":"accountAddr","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"accountID","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"","type":"uint64"}],"name":"accountLink","outputs":[{"internalType":"address","name":"first","type":"address"},{"internalType":"address","name":"last","type":"address"},{"internalType":"uint64","name":"count","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"","type":"uint64"},{"internalType":"address","name":"","type":"address"}],"name":"accountList","outputs":[{"internalType":"address","name":"prev","type":"address"},{"internalType":"address","name":"next","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"accounts","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"addAuth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"instaIndex","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"removeAuth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userLink","outputs":[{"internalType":"uint64","name":"first","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint64","name":"count","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint64","name":"","type":"uint64"}],"name":"userList","outputs":[{"internalType":"uint64","name":"prev","type":"uint64"},{"internalType":"uint64","name":"next","type":"uint64"}],"stateMutability":"view","type":"function"}]

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000a9b99766e6c676cf1975c0d3166f96c0848ff5ad

-----Decoded View---------------
Arg [0] : _instaIndex (address): 0xA9B99766E6C676Cf1975c0D3166F96C0848fF5ad

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000a9b99766e6c676cf1975c0d3166f96c0848ff5ad


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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.