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Contract Address Details

Contract

0x0000000000000000000000000000000000001002

Creator

0x000000-000000 at txn 0x000000...001002

Balance

0.0 @G ($0.0)

Tokens

0 Tokens

$0.0 USD

Transactions

15 transactions

Gas Used

Code

Contract Source Code Verified

Contract NameFilterContract

Compiler Versionv0.8.19+commit.7dd6d404

Optimization EnabledYes

Other SettingsDefault evmVersion

Contract Source Code (Solidity)

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// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.6;
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interface IKYCContract {
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    function level(address addr) external view returns (uint);
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}
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/**
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 * @title FilterContract
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 * @notice Graphite system contract that interacts with the KYC contract to manage user-specific filter levels
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 * and verify permissions based on KYC levels.
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 */
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contract FilterContract {
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    /**
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     * @notice Mapping to store the filter level of each user.
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     * @dev This determines the minimum KYC level required by others to interact with the user.
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     */
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    mapping(address => uint) filterLevel;
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    // External KYC contract used for checking KYC levels.
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    IKYCContract public kycContract;
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    /**
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     * @notice Emitted when a user's filter level is updated.
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     * @param user The address of the user whose filter level was updated.
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     * @param level The new filter level for the user.
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     */
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    event FilterLevelChanged(address indexed user, uint indexed level);
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    /**
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     * @notice Updates the caller's filter level.
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     * @dev This allows a user to set the minimum KYC level required by others to interact with them.
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     * @param _level The new filter level to set for the caller.
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     */
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    function setFilterLevel(uint _level) external {
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        filterLevel[msg.sender] = _level;
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        emit FilterLevelChanged(msg.sender, _level);
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    }
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    /**
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     * @notice Retrieves the caller's current filter level.
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     * @dev Useful for users to query their own filter settings.
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     * returns The filter level of the caller.
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     */
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    function viewFilterLevel() external view returns(uint){
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        return(filterLevel[msg.sender]);
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    }
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    /**
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     * @notice Checks if the KYC level of the sender meets the filter level of the destination address.
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     * @dev This function compares the sender's KYC level with the required filter level of the destination.
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     * @param _sender The address of the user initiating the interaction.
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     * @param _destination The address of the user receiving the interaction.
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     * @return `true` if the `_sender`'s KYC level is greater than or equal to `_destination`'s filter level, otherwise `false`.
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     */
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    function filter(address _sender, address _destination) external view returns(bool) {
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        return(kycContract.level(_sender) >= filterLevel[_destination]);
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    }
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}
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Contract ABI

[{"name": "FilterLevelChanged", "type": "event", "inputs": [{"name": "user", "type": "address", "indexed": true, "internalType": "address"}, {"name": "level", "type": "uint256", "indexed": true, "internalType": "uint256"}], "anonymous": false}, {"name": "filter", "type": "function", "inputs": [{"name": "_sender", "type": "address", "internalType": "address"}, {"name": "_destination", "type": "address", "internalType": "address"}], "outputs": [{"name": "", "type": "bool", "internalType": "bool"}], "stateMutability": "view"}, {"name": "kycContract", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "address", "internalType": "contract IKYCContract"}], "stateMutability": "view"}, {"name": "setFilterLevel", "type": "function", "inputs": [{"name": "_level", "type": "uint256", "internalType": "uint256"}], "outputs": [], "stateMutability": "nonpayable"}, {"name": "viewFilterLevel", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "uint256", "internalType": "uint256"}], "stateMutability": "view"}]

Contract Creation Code

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