bump to latest main

.gitattributes

@@ -1,4 +1,3 @@
 zcash_client_backend/src/proto/compact_formats.rs linguist-generated=true
 zcash_client_backend/src/proto/service.rs linguist-generated=true
 zcash_client_backend/src/proto/proposal.rs linguist-generated=true
-zcash_client_memory/src/proto/memwallet.rs linguist-generated=true

.github/helpers/check-dep-graph.py

@@ -16,9 +16,7 @@
     # ./
     'pczt',
     'zcash_client_backend',
-    'zcash_client_memory',
     'zcash_client_sqlite',
-    'zcash_extensions',
     'zcash_history',
     'zcash_keys',
     'zcash_primitives',

.github/workflows/audits.yml

@@ -13,7 +13,7 @@ jobs:
     name: Vet Rust dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - uses: dtolnay/rust-toolchain@stable
@@ -28,10 +28,10 @@ jobs:
     name: Check licenses
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - uses: EmbarkStudios/cargo-deny-action@91bf2b620e09e18d6eb78b92e7861937469acedb # v2.0.17
+      - uses: EmbarkStudios/cargo-deny-action@bb137d7af7e4fb67e5f82a49c4fce4fad40782fe # v2.0.20
         with:
           command: check licenses
 

.github/workflows/book.yml

@@ -16,7 +16,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - id: prepare

.github/workflows/ci.yml

@@ -27,6 +27,7 @@ jobs:
           - Orchard
           - all-pools
           - all-features
+          - NU6.3
           - NU7
 
         include:
@@ -54,7 +55,7 @@ jobs:
       RUSTDOCFLAGS: ${{ matrix.rustflags }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - id: prepare
@@ -92,6 +93,7 @@ jobs:
           - Orchard
           - all-pools
           - all-features
+          - NU6.3
           - NU7
 
         include:
@@ -115,6 +117,8 @@ jobs:
         exclude:
           - target: macOS
             state: all-features
+          - target: macOS
+            state: NU6.3
           - target: macOS
             state: NU7
 
@@ -123,7 +127,7 @@ jobs:
       RUSTDOCFLAGS: ${{ matrix.rustflags }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - id: prepare
@@ -137,7 +141,7 @@ jobs:
       - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
         with:
           shared-key: msrv
-          save-if: ${{ matrix.state == 'all-features' }}
+          save-if: ${{ matrix.state == 'all-features' && matrix.target != 'Windows' }}
       - name: Run tests
         run: >
           cargo test
@@ -159,6 +163,7 @@ jobs:
           - Sapling-only
           - Orchard
           - all-features
+          - NU6.3
           - NU7
 
         include:
@@ -180,7 +185,7 @@ jobs:
       RUSTDOCFLAGS: ${{ matrix.rustflags }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - id: prepare
@@ -204,61 +209,6 @@ jobs:
       - name: Verify working directory is clean
         run: git diff --exit-code
 
-  # States that we want to ensure can be built, but that we don't actively run tests for.
-  check-msrv:
-    name: Check ${{ matrix.state }} build on ${{ matrix.target }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        target:
-          - Linux
-          - macOS
-          - Windows
-        state:
-          - ZFuture
-          - ZFuture-allfeatures
-
-        include:
-          - target: Linux
-            os: ubuntu-latest
-          - target: macOS
-            os: macOS-latest
-          - target: Windows
-            os: windows-latest
-
-          - state: ZFuture
-            rustflags: '--cfg zcash_unstable="zfuture"'
-          - state: ZFuture-allfeatures
-            all-features: true
-            rustflags: '--cfg zcash_unstable="zfuture"'
-
-    env:
-      RUSTFLAGS: ${{ matrix.rustflags }}
-      RUSTDOCFLAGS: ${{ matrix.rustflags }}
-
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-      - id: prepare
-        uses: ./.github/actions/prepare
-        with:
-          all-features: ${{ matrix.all-features || false }}
-          extra-features: ${{ matrix.extra_flags || '' }}
-      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
-        with:
-          shared-key: msrv
-          save-if: "false"
-      - name: Run check
-        run: >
-          cargo check
-          --release
-          --workspace
-          --tests
-          ${{ steps.prepare.outputs.feature-flags }}
-      - name: Verify working directory is clean
-        run: git diff --exit-code
-
   build-latest:
     name: Latest build on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
@@ -270,7 +220,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - id: prepare
@@ -314,7 +264,7 @@ jobs:
             build_deps: >
               gcc-multilib
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           path: crates
@@ -360,7 +310,7 @@ jobs:
             build_deps: >
               gcc-arm-none-eabi
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           path: crates
@@ -407,7 +357,7 @@ jobs:
     name: Bitrot check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       # Build benchmarks to prevent bitrot
@@ -420,7 +370,7 @@ jobs:
     permissions:
       checks: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       # We can't currently use only the common feature set (to exclude checking of
@@ -444,7 +394,7 @@ jobs:
       checks: write
     continue-on-error: true
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       # We can't currently use only the common feature set (to exclude checking of
@@ -475,7 +425,7 @@ jobs:
     name: Intra-doc links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - id: prepare
@@ -501,7 +451,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Check formatting
@@ -511,7 +461,7 @@ jobs:
     name: Readme dependency graph
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Check consistency
@@ -521,7 +471,7 @@ jobs:
     name: protobuf consistency
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - id: prepare
@@ -547,7 +497,7 @@ jobs:
     name: UUID validity
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Extract UUIDs
@@ -581,7 +531,6 @@ jobs:
     name: Required status checks have passed
     needs:
       - required-test
-      - check-msrv
       - build-latest
       - build-nodefault
       - bitrot

.github/workflows/mutants.yml

@@ -25,7 +25,6 @@ on:
           - zcash_client_backend
           - zcash_client_sqlite
           - zcash_encoding
-          - zcash_extensions
           - zcash_history
           - zcash_keys
           - zcash_primitives
@@ -58,7 +57,6 @@ jobs:
           - zcash_client_backend
           - zcash_client_sqlite
           - zcash_encoding
-          - zcash_extensions
           - zcash_history
           - zcash_keys
           - zcash_primitives
@@ -77,7 +75,6 @@ jobs:
           - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zcash_client_backend', 'zcash_client_backend', 'NONE') }}
           - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zcash_client_sqlite',  'zcash_client_sqlite',  'NONE') }}
           - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zcash_encoding',       'zcash_encoding',       'NONE') }}
-          - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zcash_extensions',     'zcash_extensions',     'NONE') }}
           - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zcash_history',        'zcash_history',        'NONE') }}
           - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zcash_keys',           'zcash_keys',           'NONE') }}
           - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zcash_primitives',     'zcash_primitives',     'NONE') }}
@@ -87,7 +84,7 @@ jobs:
           - package: ${{ case((github.event.inputs.package || 'all') != 'all' && (github.event.inputs.package || 'all') != 'zip321',               'zip321',               'NONE') }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - uses: dtolnay/rust-toolchain@stable
@@ -96,7 +93,7 @@ jobs:
         shell: sh
         env:
           TOOLCHAIN: ${{steps.toolchain.outputs.name}}
-      - uses: taiki-e/install-action@74e87cbfa15a59692b158178d8905a61bf6fca95 # v2.75.20
+      - uses: taiki-e/install-action@c7eb1735f09259a5035e8e5d44b1406b1cddc0fb # v2.83.0
         with:
           tool: cargo-mutants
       - run: cargo mutants --package "${{ matrix.package }}" --all-features -vV --in-place

.github/workflows/zizmor.yml

@@ -16,9 +16,9 @@ jobs:
       security-events: write # Required for upload-sarif (used by zizmor-action) to upload SARIF files.
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
       - name: Run zizmor 🌈
-        uses: zizmorcore/zizmor-action@b1d7e1fb5de872772f31590499237e7cce841e8e # v0.5.3
+        uses: zizmorcore/zizmor-action@192e21d79ab29983730a13d1382995c2307fbcaa # v0.5.7

AGENTS.md

@@ -101,7 +101,6 @@ since LLMs cannot render diagrams.
 | `pczt` | Partially Constructed Zcash Transaction types and role interfaces |
 | `zcash_client_backend` | Wallet framework: storage APIs, chain scanning, light client protocol, fee calculation, transaction proposals |
 | `zcash_client_sqlite` | SQLite-based implementation of `zcash_client_backend` storage APIs |
-| `zcash_client_memory` | In-memory implementation of `zcash_client_backend` storage APIs |
 
 ### Utilities & Standalone Components
 
@@ -213,7 +212,6 @@ These feature flags are used consistently across crates in the repository:
 These are `cfg` flags (not Cargo feature flags) that enable unstable or
 in-development functionality:
 
-- `zcash_unstable="zfuture"`
 - `zcash_unstable="nu7"`
 
 ## Code Style