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librustzcash/zcash_client_backend/CHANGELOG.md

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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]

Changed

  • MSRV is now 1.51.0.
  • Bumped dependencies to ff 0.11, group 0.11, bls12_381 0.6, jubjub 0.8.
  • epk: jubjub::ExtendedPoint has been replaced by ephemeral_key: zcash_note_encryption::EphemeralKeyBytes in various places:
    • zcash_client_backend::wallet::WalletShieldedOutput: the epk field has been replaced by ephemeral_key.
    • zcash_client_backend::proto::compact_formats::CompactOutput: the epk method has been replaced by ephemeral_key.
  • Renamed the following in zcash_client_backend::data_api to use lower-case abbreviations (matching Rust naming conventions):
    • error::Error::InvalidExtSK to Error::InvalidExtSk
    • testing::MockWalletDB to testing::MockWalletDb

[0.5.0] - 2021-03-26

Added

  • zcash_client_backend::address::RecipientAddress
  • zcash_client_backend::data_api module, containing the Data Access API.
  • zcash_client_backend::wallet:
    • AccountId
    • SpendableNote
    • OvkPolicy
  • zcash_client_backend::welding_rig::ScanningKey trait, representing a key which can be used for trial decryption of outputs, and optionally nullifier computation. This trait is implemented for zcash_primitives::zip32:ExtendedFullViewingKey and zcash_primitives::primitives::SaplingIvk.
  • First alpha of TZE support, behind the zfuture feature flag.

Changed

  • MSRV is now 1.47.0.
  • epk fields and return values were changed from a jubjub::SubgroupPoint to a jubjub::ExtendedPoint, to match the change to the zcash_primitives decryption APIs:
    • zcash_client_backend::proto::compact_formats::CompactOutput::epk()
    • The epk field of zcash_client_backend::wallet::WalletShieldedOutput.
  • zcash_client_backend::decrypt:
    • decrypt_transaction now takes a variable with type P: zcash_primitives::consensus::Parameters.
    • The memo field of DecryptedOutput now has type MemoBytes.
  • zcash_client_backend::wallet:
    • The nf property of WalletShieldedSpend now has the type Nullifier.
    • The account property of WalletShieldedSpend and WalletShieldedOutput now has the type AccountId.
  • zcash_client_backend::welding_rig:
    • scan_block now takes &[(AccountId, K: ScanningKey)], instead of a slice of extended full viewing keys with implicit account IDs.
    • The nullifiers argument to scan_block now has the type &[(AccountId, Nullifier)].

Removed

  • zcash_client_backend::constants module (its sub-modules have been moved into zcash_primitives::constants, and more generally replaced by the new methods on the zcash_primitives::consensus::Parameters trait).

[0.4.0] - 2020-09-09

Changed

  • MSRV is now 1.44.1.
  • Bumped dependencies to ff 0.8, group 0.8, bls12_381 0.3.1, jubjub 0.5.1, protobuf 2.15.

[0.3.0] - 2020-08-24

TBD

[0.2.0] - 2020-03-13

TBD

[0.1.0] - 2019-10-08

Initial release.