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use multihash_codetable::Code;
use multihash_derive::MultihashDigest;
/// prefix/multihash generating tool to aid when adding new tests
fn prefix_util() {
use unsigned_varint::encode;
// change these as needed
let empty = Code::Sha2_256.wrap(&[]).unwrap().to_bytes();
let hash = "7c8357577f51d4f0a8d393aa1aaafb28863d9421";
// encode things
let len = (hash.len() / 2) as u64; // always hex so len bytes is always half
let mut buf = encode::u64_buffer();
let len = encode::u64(len, &mut buf);
let code_hex = hex::encode(&empty[..1]); // change if longer/shorter prefix
let len_hex = hex::encode(len);
println!("prefix hex: code: {code_hex}, len: {len_hex}");
println!("{code_hex}{len_hex}{hash}");
}
fn main() {
prefix_util()
}
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