Skip to content

rustfmt + Multihash: Hash #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

rustfmt + Multihash: Hash #2

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
60 changes: 51 additions & 9 deletions src/mh.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ use multibase::Base;
use multicodec::Codec;
use multitrait::{Null, TryDecodeFrom};
use multiutil::{BaseEncoded, CodecInfo, DetectedEncoder, EncodingInfo, Varbytes};
use std::hash::Hash;
use typenum::consts::*;

/// the hash codecs currently supported
Expand All @@ -32,7 +33,8 @@ pub const HASH_CODECS: [Codec; 23] = [
Codec::Sha3224,
Codec::Sha3256,
Codec::Sha3384,
Codec::Sha3512];
Codec::Sha3512,
];

/// the safe hash codecs current supported
pub const SAFE_HASH_CODECS: [Codec; 8] = [
Expand All @@ -43,7 +45,8 @@ pub const SAFE_HASH_CODECS: [Codec; 8] = [
Codec::Blake3,
Codec::Sha3256,
Codec::Sha3384,
Codec::Sha3512];
Codec::Sha3512,
];

/// the multicodec sigil for multihash
pub const SIGIL: Codec = Codec::Multihash;
Expand All @@ -52,7 +55,7 @@ pub const SIGIL: Codec = Codec::Multihash;
pub type EncodedMultihash = BaseEncoded<Multihash, DetectedEncoder>;

/// inner implementation of the multihash
#[derive(Clone, Default, Eq, Ord, PartialEq, PartialOrd)]
#[derive(Clone, Default, Eq, Ord, PartialEq, PartialOrd, Hash)]
pub struct Multihash {
/// hash codec
pub(crate) codec: Codec,
Expand Down Expand Up @@ -334,7 +337,12 @@ mod tests {
.unwrap()
.try_build()
.unwrap();
let mh2 = Multihash::try_from(hex::decode("16206b761d3b2e7675e088e337a82207b55711d3957efdb877a3d261b0ca2c38e201").unwrap().as_ref()).unwrap();
let mh2 = Multihash::try_from(
hex::decode("16206b761d3b2e7675e088e337a82207b55711d3957efdb877a3d261b0ca2c38e201")
.unwrap()
.as_ref(),
)
.unwrap();
assert_eq!(mh1, mh2);
}

Expand All @@ -351,7 +359,10 @@ mod tests {
fn test_multihash_sha1() {
// test cases from: https://github.com/multiformats/multihash?tab=readme-ov-file#example
let bases = vec![
(Base::Base16Lower, "f111488c2f11fb2ce392acb5b2986e640211c4690073e"),
(
Base::Base16Lower,
"f111488c2f11fb2ce392acb5b2986e640211c4690073e",
),
(Base::Base32Upper, "BCEKIRQXRD6ZM4OJKZNNSTBXGIAQRYRUQA47A"),
(Base::Base58Btc, "z5dsgvJGnvAfiR3K6HCBc4hcokSfmjj"),
(Base::Base64, "mERSIwvEfss45KstbKYbmQCEcRpAHPg"),
Expand All @@ -372,10 +383,22 @@ mod tests {
fn test_multihash_sha2_256() {
// test cases from: https://github.com/multiformats/multihash?tab=readme-ov-file#example
let bases = vec![
(Base::Base16Lower, "f12209cbc07c3f991725836a3aa2a581ca2029198aa420b9d99bc0e131d9f3e2cbe47"),
(Base::Base32Upper, "BCIQJZPAHYP4ZC4SYG2R2UKSYDSRAFEMYVJBAXHMZXQHBGHM7HYWL4RY"),
(Base::Base58Btc, "zQmYtUc4iTCbbfVSDNKvtQqrfyezPPnFvE33wFmutw9PBBk"),
(Base::Base64, "mEiCcvAfD+ZFyWDajqipYHKICkZiqQgudmbwOEx2fPiy+Rw"),
(
Base::Base16Lower,
"f12209cbc07c3f991725836a3aa2a581ca2029198aa420b9d99bc0e131d9f3e2cbe47",
),
(
Base::Base32Upper,
"BCIQJZPAHYP4ZC4SYG2R2UKSYDSRAFEMYVJBAXHMZXQHBGHM7HYWL4RY",
),
(
Base::Base58Btc,
"zQmYtUc4iTCbbfVSDNKvtQqrfyezPPnFvE33wFmutw9PBBk",
),
(
Base::Base64,
"mEiCcvAfD+ZFyWDajqipYHKICkZiqQgudmbwOEx2fPiy+Rw",
),
];

for (b, h) in bases {
Expand All @@ -389,4 +412,23 @@ mod tests {
}
}

#[test]
fn test_multihash_in_indexmap() {
let mut map = std::collections::HashMap::new();

let mh1 = Builder::new_from_bytes(Codec::Sha2256, b"for great justice, move every zig!")
.unwrap()
.try_build()
.unwrap();

let mh2 = Builder::new_from_bytes(Codec::Sha2256, b"for great justice, move every zag!")
.unwrap()
.try_build()
.unwrap();

map.insert(mh1, "zig");
map.insert(mh2, "zag");

assert_eq!(map.len(), 2);
}
}