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rust-secp256k1-unsafe-fast/secp256k1-sys
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Andrew Poelstra 96d2242f6a
Merge rust-bitcoin/rust-secp256k1#335: Implement `Hash` for `schnorrsig::Signature` 
75b49efb3d Implement `Hash` for all array newtypes (elsirion)

Pull request description:

  I pondered putting the impl into the array type macro together with `(Partial)Eq`, but that would have meant removing other implementations and potentially implementing it for types where it is not wanted. The drawback of the separate impl is that it is more disconnected from the `(Partial)Eq` impl and could theoretically diverge (although unlikely in case of such a simple type) which would break the trait's contract.

ACKs for top commit:
  apoelstra:
    ACK 75b49efb3d

Tree-SHA512: 44d1bebdd3437dfd86de8b475f12097c4a2f872905c822a9cde624089fdc20f68f59a7734fdcc6f3a17ed233f70f63258dfd204ca269d2baf8002ffc325ddc87
 		2021-11-05 14:29:50 +00:00
..
depend Updating secp256k1 version to 1758a92ffd896af533b142707e9892ea6e15e5db 2021-06-14 17:55:38 +03:00
src Merge rust-bitcoin/rust-secp256k1#335: Implement `Hash` for `schnorrsig::Signature` 2021-11-05 14:29:50 +00:00
wasm-sysroot Add sanity checks for wasm32 for size and alignment of types 2020-04-29 15:32:57 -04:00
CHANGELOG.md Update MSRV to 1.29; increase version to 0.19 and -sys version to 0.3 2020-08-27 14:18:06 +00:00
Cargo.toml Bump sys version to 0.4.1 2021-06-18 23:47:24 +02:00
LICENSE Add secp256k1-sys README and LICENSE files 2019-11-27 21:02:44 +00:00
README.md replace cargo `external-symbols` feature with a rustc --cfg flag 2020-12-22 15:35:16 +00:00
build.rs Reduce size of precomputed signing table (ECMULT_GEN_PREC_BITS) for lowmemory 2021-07-21 11:34:47 +02:00
vendor-libsecp.sh Update Cargo.toml link in vendor script 2019-12-11 15:54:30 +00:00

README.md

secp256k1-sys

This crate provides Rust definitions for the FFI structures and methods.

Vendoring

The default build process is to build using the vendored libsecp256k1 sources in the depend folder. These sources are prefixed with a special rust-secp256k1-sys-specific prefix rustsecp256k1_v1_2_3_.

This prefix ensures that no symbol collision can happen:

  • when a Rust project has two different versions of rust-secp256k1 in its depepdency tree, or
  • when rust-secp256k1 is used for building a static library in a context where existing libsecp256k1 symbols are already linked.

To update the vendored sources, use the vendor-libsecp.sh script:

$ ./vendor-libsecp.sh depend <version-code> <rev>
  • Where <version-code> is the secp256k1-sys version number underscored: 0_1_2.
  • Where <rev> is the git revision of libsecp256k1 to checkout.

Linking to external symbols

If you want to compile this library without using the bundled symbols (which may be required for integration into other build systems), you can do so by adding --cfg=rust_secp_no_symbol_renaming' to your RUSTFLAGS variable.