librustzcash/zcash_proofs/CHANGELOG.md

Changelog

All notable changes to this library will be documented in this file.

The format is based on Keep a Changelog, and this library adheres to Rust's notion of Semantic Versioning.

[Unreleased]

[0.14.0] - 2024-03-01

Added

• impl zcash_primitives::sapling::prover::{SpendProver, OutputProver} for zcash_proofs::prover::LocalTxProver

Changed

• Migrated to zcash_primitives 0.14.
• The zcash_proofs::ZcashParameters Sapling fields now use the parameter and viewing key newtypes defined in zcash_primitives::sapling::circuit.

Removed

• zcash_proofs::circuit::sapling (moved to zcash_primitives::sapling::circuit).
• zcash_proofs::circuit::{ecc, pedersen_hash}
• zcash_proofs::constants
• zcash_proofs::sapling:
  • BatchValidator (moved to zcash_primitives::sapling).
  • SaplingProvingContext
  • SaplingVerificationContext (moved to zcash_primitives::sapling).

[0.13.0] - 2023-09-25

Changed

• Bumped dependencies to zcash_primitives 0.13.

Removed

• Unused incrementalmerkletree dependency.

[0.12.1] - 2023-06-28

Changed

• Replaced internal directories dependency which now transitively depends on MPL-licensed code.

[0.12.0] - 2023-06-06

Changed

• Bumped dependencies to incrementalmerkletree 0.4, zcash_primitives 0.12
• MSRV is now 1.65.0.

Removed

• circuit::sapling::TREE_DEPTH use zcash_primitives::sapling::NOTE_COMMITMENT_TREE_DEPTH instead

[0.11.0] - 2023-04-15

Changed

• Bumped dependencies to bls12_381 0.8, group 0.13, jubjub 0.10, bellman 0.14, redjubjub 0.7, zcash_primitives 0.11.

[0.10.0] - 2023-02-01

Added

• zcash_proofs::circuit::sapling:
  • ValueCommitmentOpening
  • A value_commitment_opening field on Spend and Output.

Changed

• MSRV is now 1.60.0.
• Bumped dependencies to zcash_primitives 0.10.
• Note commitments now use zcash_primitives::sapling::note::ExtractedNoteCommitment instead of bls12_381::Scalar in zcash_proofs::sapling:
  • SaplingVerificationContext::check_output
• Value commitments now use zcash_primitives::sapling::value::ValueCommitment instead of jubjub::ExtendedPoint in zcash_proofs::sapling:
  • SaplingProvingContext::{spend_proof, output_proof}
  • SaplingVerificationContext::{check_spend, check_output}

Removed

• zcash_proofs::circuit::sapling:
  • The value_commitment field of Spend and Output (use value_commitment_opening instead).

[0.9.0] - 2022-11-12

Changed

• Bumped dependencies to zcash_primitives 0.9.

[0.8.0] - 2022-10-19

Changed

• Bumped dependencies to zcash_primitives 0.8.

[0.7.1] - 2022-07-05

Added

• zcash_proofs::sapling::BatchValidator

[0.7.0] - 2022-06-24

Changed

• Bumped dependencies to zcash_primitives 0.7.

[0.6.0] - 2022-05-11

Changed

• MSRV is now 1.56.1.
• Bumped dependencies to ff 0.12, group 0.12, bellman 0.13, bls12_381 0.7, jubjub 0.9.
• zcash_proofs::sapling::SaplingVerificationContext::new now takes a zip216_enabled boolean; this is used to control how RedJubjub signatures are validated.
• Renamed the following in zcash_proofs::circuit::sprout to use lower-case abbreviations (matching Rust naming conventions):
  • JSInput to JsInput
  • JSOutput to JsOutput

Removed

• zcash_proofs::sapling::SaplingVerificationContext: Default

[0.5.0] - 2021-03-26

Added

• zcash_proofs::ZcashParameters
• zcash_proofs::parse_parameters
• zcash_proofs::prover::LocalTxProver::from_bytes
• The zcash_proofs::constants module, containing constants and helpers used by the zcash_proofs::circuit::ecc::fixed_base_multiplication gadget:
  • The FixedGeneratorOwned type alias.
  • generate_circuit_generator
  • The six Zcash fixed generators:
    • PROOF_GENERATION_KEY_GENERATOR
    • NOTE_COMMITMENT_RANDOMNESS_GENERATOR
    • NULLIFIER_POSITION_GENERATOR
    • VALUE_COMMITMENT_VALUE_GENERATOR
    • VALUE_COMMITMENT_RANDOMNESS_GENERATOR
    • SPENDING_KEY_GENERATOR
• zcash_proofs::sapling::SaplingProvingContext: Default
• zcash_proofs::sapling::SaplingVerificationContext: Default

Changed

• MSRV is now 1.47.0.
• zcash_proofs::load_parameters now returns ZcashParameters.

[0.4.0] - 2020-09-09

Changed

• MSRV is now 1.44.1.
• Bumped dependencies to ff 0.8, group 0.8, bellman 0.8, bls12_381 0.3.1, jubjub 0.5.1.

Fixed

• Performance regressions to Sapling proof creation in 0.3.0 have been partially mitigated by fixes in bellman 0.8.

[0.3.0] - 2020-08-24

TBD

[0.2.0] - 2020-03-13

TBD

[0.1.0] - 2019-10-08

Initial release.