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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

  • zcash_protocol::consensus::NetworkConstants has added methods:
    • hrp_unified_address
    • hrp_unified_fvk
    • hrp_unified_ivk

[0.4.3] - 2024-12-16

Added

  • zcash_protocol::TxId (moved from zcash_primitives::transaction).

[0.4.2] - 2024-12-13

Added

  • no-std compatibility (alloc is required). A default-enabled std feature flag has been added gating the std::error::Error and memuse usage.

[0.4.1] - 2024-11-13

Added

  • zcash_protocol::value::QuotRem
  • zcash_protocol::value::Zatoshis::div_with_remainder
  • impl Mul<u64> for zcash_protocol::value::Zatoshis
  • impl Div<NonZeroU64> for zcash_protocol::value::Zatoshis

[0.4.0] - 2024-10-02

Added

  • impl Sub<BlockHeight> for BlockHeight unlike the implementation that was removed in version 0.3.0, a saturating subtraction for block heights having a return type of u32 makes sense for BlockHeight. Subtracting one block height from another yields the delta between them.

Changed

  • Mainnet activation height has been set for consensus::BranchId::Nu6.
  • Adding a delta to a BlockHeight now uses saturating addition.
  • Subtracting a delta to a BlockHeight now uses saturating subtraction.

[0.3.0] - 2024-08-26

Changed

  • Testnet activation height has been set for consensus::BranchId::Nu6.

Removed

  • impl {Add, Sub} for BlockHeight - these operations were unused, and it does not make sense to add block heights (it is not a monoid.)

[0.2.0] - 2024-08-19

Added

  • zcash_protocol::PoolType::{TRANSPARENT, SAPLING, ORCHARD}

Changed

  • MSRV is now 1.70.0.
  • consensus::BranchId now has an additional Nu6 variant.

[0.1.1] - 2024-03-25

Added

  • zcash_protocol::memo:
    • impl TryFrom<&MemoBytes> for Memo

Removed

  • unstable-nu6 and zfuture feature flags (use --cfg zcash_unstable=\"nu6\" or --cfg zcash_unstable=\"zfuture\" in RUSTFLAGS and RUSTDOCFLAGS instead).

[0.1.0] - 2024-03-06

The entries below are relative to the zcash_primitives crate as of the tag zcash_primitives-0.14.0.

Added

  • The following modules have been extracted from zcash_primitives and moved to this crate:
    • consensus
    • constants
    • zcash_protocol::value replaces zcash_primitives::transaction::components::amount
  • zcash_protocol::consensus:
    • NetworkConstants has been extracted from the Parameters trait. Relative to the state prior to the extraction:
      • The Bech32 prefixes now return &'static str instead of &str.
      • Added NetworkConstants::hrp_tex_address.
    • NetworkType
    • Parameters::b58_sprout_address_prefix
  • zcash_protocol::consensus:
    • impl Hash for LocalNetwork
  • zcash_protocol::constants::{mainnet, testnet}::B58_SPROUT_ADDRESS_PREFIX
  • Added in zcash_protocol::value:
    • Zatoshis
    • ZatBalance
    • MAX_BALANCE has been added to replace previous instances where zcash_protocol::value::MAX_MONEY was used as a signed value.

Changed

  • zcash_protocol::value::COIN has been changed from an i64 to a u64
  • zcash_protocol::value::MAX_MONEY has been changed from an i64 to a u64
  • zcash_protocol::consensus::Parameters has been split into two traits, with the newly added NetworkConstants trait providing all network constant accessors. Also, the address_network method has been replaced with a new network_type method that serves the same purpose. A blanket impl of NetworkConstants is provided for all types that implement Parameters, so call sites for methods that have moved to NetworkConstants should remain unchanged (though they may require an additional use statement.)

Removed

  • From zcash_protocol::value:
    • NonNegativeAmount (use Zatoshis instead.)
    • Amount (use ZatBalance instead.)
    • The following conversions have been removed relative to zcash_primitives-0.14.0, as zcash_protocol does not depend on the orchard or sapling-crypto crates.
      • From<NonNegativeAmount> for orchard::NoteValue>
      • TryFrom<orchard::ValueSum> for Amount
      • From<NonNegativeAmount> for sapling::value::NoteValue>
      • TryFrom<sapling::value::NoteValue> for NonNegativeAmount
    • impl AddAssign for NonNegativeAmount
    • impl SubAssign for NonNegativeAmount