pub(crate) const USAGE: &str = r#"
Usage: vanityaddr [OPTIONS] <PREFIX> <PREFIX> ...
Arguments:
<PREFIX> Prefixes to search
Options:
-c Make the search case-sensitive
-t Number of threads to use (defaults to number of available CPUs)
-A Search for an address
-C Search for a Contract ID
-T Search for a Token ID
"#;