# Functions
ValidateAddress validates IoTeX address.
ValidateAlias validates alias for account.
ValidatePositiveNumber validates positive Number for action.
# Constants
IoAddrLen defines length of IoTeX address.
# Variables
ErrInvalidAddr indicates error for an invalid address.
ErrLongAlias indicates error for a long alias more than 40 characters.
ErrNonPositiveNumber indicates error for a non-positive number.