Address returns an address from the environment variable with the given key using types.AddressFromHex.

Bool returns a bool from the environment variable with the given key.

Duration returns a duration from the environment variable with the given key using time.ParseDuration.

HexBytes returns a byte slice from the environment variable with the given key using hex.DecodeString.

Int returns an int from the environment variable with the given key.

SetSeparatorKey sets the environment variable key to read the separator from.

String returns a string from the environment variable with the given key.

Strings returns a slice of strings from the environment variable with the given key.

Uint64 returns a uint64 from the environment variable with the given key.