interface VerdandiContracts {
    /**
     * only TransferFrom Function, which is only callable by owner of contracts
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);
	
    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);
}
function balanceOf(address account) external view returns (uint256);

/**
 * @dev Returns the amount of tokens owned by `account`.
 */