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Contract Source Code:
File 1 of 1 : OnlyHumans
// SPDX-License-Identifier: MIT AND UNLICENSED // File @openzeppelin/contracts/utils/[email protected] // Original license: SPDX_License_Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^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 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) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File @openzeppelin/contracts/access/[email protected] // Original license: SPDX_License_Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol) pragma solidity ^0.8.0; /** * @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() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(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"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File contracts/OnlyHumans.sol // Original license: SPDX_License_Identifier: MIT pragma solidity ^0.8.9; contract OnlyHumans is Ownable { mapping(address => mapping(address => bool)) public registry; /** * @dev Update the registry mapping. * @param contract_address The address of the contract. * @param user_addresses The addresses of the users. * @param enabled A boolean array indicating if the user is enabled for the respective contract. */ function update( address contract_address, address[] calldata user_addresses, bool[] calldata enabled ) public onlyOwner { require( user_addresses.length == enabled.length, "All arrays must have the same length." ); for (uint256 i = 0; i < user_addresses.length; i++) { registry[contract_address][user_addresses[i]] = enabled[i]; } } /** * @dev Checks if a user is allowed to interact with a specific contract. * @param contractAddress The address of the contract the user wants to interact with. * @param user The address of the user being checked. * @return True if the user is allowed to interact with the specified contract, false otherwise. */ function isUserAllowed( address contractAddress, address user ) public view returns (bool) { return registry[contractAddress][user]; } }
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