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rust-bitcoin-unsafe-fast/hashes
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Andrew Poelstra ada8c53ce2
Merge rust-bitcoin/rust-bitcoin#2272: hashes: Add Hash::from_bytes_iter to construct hashes from iterators 
94a6caf204 hashes: Add Hash::from_byte_chunks to construct hashes from iterators (Steven Roose)

Pull request description:

  Is there any interest in a method like this? I'm not necessarily a fan myself, was just in a situation where I was doing this a lot and it would save the me the "engine, from_engine dance" each time.

ACKs for top commit:
  Kixunil:
    ACK 94a6caf204
  apoelstra:
    ACK 94a6caf204

Tree-SHA512: 96e74366dbf64d50fb6642024d18eeeee5b78154fa152c845a1073c904599af69328a141f0a7e2bd1a7b43a091c886da57dfe6e87bab5a5e01b0f167019caae0
 		2023-12-11 19:51:05 +00:00
..
contrib Remove `core2` dependency entirely 2023-11-09 16:46:44 +00:00
embedded Add bitcoin-units crate 2023-12-11 08:52:31 +11:00
extended_tests/schemars Add bitcoin-units crate 2023-12-11 08:52:31 +11:00
src hashes: Add Hash::from_byte_chunks to construct hashes from iterators 2023-12-11 08:41:12 +00:00
CHANGELOG.md hashes: Remove duplicate entry 2023-09-07 14:19:01 -04:00
Cargo.toml Add rust-version to the workspace manifests 2023-11-23 06:20:04 +11:00
README.md Bump MSRV to Rust version 1.56.1 2023-11-23 06:20:02 +11:00

README.md

Bitcoin Hashes Library

This is a simple, no-dependency library which implements the hash functions needed by Bitcoin. These are SHA1, SHA256, SHA256d, SHA512, and RIPEMD160. As an ancilliary thing, it exposes hexadecimal serialization and deserialization, since these are needed to display hashes anway.

Documentation

Minimum Supported Rust Version (MSRV)

This library should always compile with any combination of features on Rust 1.56.1.

To build with the MSRV you will need to pin serde (if you have either the serde or the schemars feature enabled)

# serde 1.0.157 uses syn 2.0 which requires edition 2021
cargo update -p serde --precise 1.0.156

before building. (And if your code is a library, your downstream users will need to run these commands, and so on.)

Contributions

Contributions are welcome, including additional hash function implementations.

Githooks

To assist devs in catching errors before running CI we provide some githooks. If you do not already have locally configured githooks you can use the ones in this repository by running, in the root directory of the repository:

git config --local core.hooksPath githooks/

Alternatively add symlinks in your .git/hooks directory to any of the githooks we provide.

Running Benchmarks

We use a custom Rust compiler configuration conditional to guard the bench mark code. To run the bench marks use: RUSTFLAGS='--cfg=bench' cargo +nightly bench.