BitGo / rust-bitcoin

83%

master: 83%

Build Type

push

github

Committed by OttoAllmendinger

Commit Message

feat(crypto): add Zcash ZIP-243 sighash implementation

Add support for Zcash transaction signature validation following ZIP-243
standard. The implementation uses BLAKE2b-256 with personalization strings
for computing signature hashes for transparent inputs in Zcash transactions.

Key features:
- Implement ZIP-243 sighash algorithm for Zcash transactions
- Add SighashCacheZcashExt trait for computing Zcash sighashes
- Support both P2PKH and P2SH inputs in Zcash transparent transactions
- Provide PSBT signing extension for Zcash inputs
- Include test vectors from ZIP-243 specification

Issue: BTC-2555

Co-authored-by: llm-git <llm-git@ttll.de>

Coverage Stats

303 of 471 new or added lines in 2 files covered. (64.33%)

389 existing lines in 2 files now uncovered.

17770 of 21449 relevant lines covered (82.85%)

16774.99 hits per line