KYCViewer

Deployment Address

Mainnet: 0x33F28C3a636B38683a38987100723f2e2d3d038e

Code: KYCViewer.sol

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Basics

• This class provides helper methods to quickly check KYC & AML properties.

• It abstracts complexity by checking both wallet and EOA (Externally Owned Account).

• Offers various utility functions for retrieving user information and token balances.

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Constructor

Constructor Parameters:

Parameter	Type	Explanation
_kintoWalletFactory	address	Address of the KintoWalletFactory contract
_faucet	address	Address of the Faucet contract
_engenCredits	address	Address of the EngenCredits contract
_kintoAppRegistry	address	Address of the KintoAppRegistry contract

Initialize

function initialize() external initializer

Initializes the KYCViewer contract, setting up ownership.

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View Functions

function isKYC(address _address) external view returns (bool)

function isSanctionsSafe(address _account) external view returns (bool)

function isSanctionsSafeIn(address _account, uint16 _countryId) external view returns (bool)

function isCompany(address _account) external view returns (bool)

function isIndividual(address _account) external view returns (bool)

function hasTrait(address _account, uint16 _traitId) external view returns (bool)

function hasTraits(address account, uint16[] memory _traitIds) public view returns (bool[] memory)

function getCountry(address account) external view returns (uint16)

function getWalletOwners(address _wallet) public view returns (address[] memory owners)

function getUserInfo(address _account, address payable _wallet) external view returns (IKYCViewer.UserInfo memory info)

function getDevApps(address _wallet) external view returns (IKintoAppRegistry.Metadata[] memory)

function getBalances(address[] memory tokens, address target) external view returns (uint256[] memory balances)

1. isKYC

Checks if an address or a wallet address is KYC'd (Know Your Customer).

function isKYC(address _address) external view override returns (bool);

Parameter	Type	Explanation
_address	address	The address to check.

1. isSanctionsSafe

Checks if an account is safe from sanctions.

function isSanctionsSafe(address _account) external view override returns (bool);

Parameter	Type	Explanation
_account	address	The account to check.

1. isSanctionsSafeIn

Checks if an account is safe from sanctions in a specific country.

function isSanctionsSafeIn(address _account, uint16 _countryId) external view override returns (bool);

Parameter	Type	Explanation
_account	address	The account to check.
_countryId	uint16	The country ID for the check.

1. isCompany

Checks if an account is a company.

function isCompany(address _account) external view override returns (bool);

Parameter	Type	Explanation
_account	address	The account to check.

1. isIndividual

Checks if an account is an individual.

function isIndividual(address _account) external view override returns (bool);

Parameter	Type	Explanation
_account	address	The account to check.

1. hasTrait

Checks if an account has a specific trait.

function hasTrait(address _account, uint16 _traitId) external view returns (bool);

Parameter	Type	Explanation
_account	address	The account to check.
_traitId	uint16	The trait ID to check for.

1. hasTraits

Checks if an account has multiple specific traits.

function hasTraits(address account, uint16[] memory _traitIds) public view returns (bool[] memory);

Parameter	Type	Explanation
account	address	The account to check.
_traitIds	uint16[]	Array of trait IDs to check.

1. getCountry

Retrieves the country code associated with an account.

function getCountry(address account) external view returns (uint16);

Parameter	Type	Explanation
account	address	The account to check.

1. getWalletOwners

Retrieves the owners of a wallet.

function getWalletOwners(address _wallet) public view override returns (address[] memory owners);

Parameter	Type	Explanation
_wallet	address	The wallet address.

1. getUserInfo

Retrieves comprehensive information about a user.

function getUserInfo(address _account, address payable _wallet) external view override returns (IKYCViewer.UserInfo memory info);

Parameter	Type	Explanation
_account	address	The account address.
_wallet	address payable	The associated wallet address.

1. getDevApps

Retrieves the apps associated with a developer wallet.

function getDevApps(address _wallet) external view override returns (IKintoAppRegistry.Metadata[] memory);

Parameter	Type	Explanation
_wallet	address	The wallet address.

1. getBalances

Retrieves the token balances for a specific target address.

function getBalances(address[] memory tokens, address target) external view returns (uint256[] memory balances);

Parameter	Type	Explanation
tokens	address[]	Array of token addresses to query.
target	address	The address whose balances are queried.