HashPassword returns the bcrypt hash of the password.

IsSupportedCurrency returns true if the currency is supported.

RandomCurrency generates a random Currency code.

RandomInt generates a random integer between min and max.

RandomMoney generates a random amount of Money.

RandomOwner generates a random owner name.

RandomString generates a random string of length n.

Config stores all configuration of the application The values are read by viper from config file and environment variable.