ci(v2): improve usage of github actions cache

.github/actions/setup-env/action.yml

@@ -0,0 +1,43 @@
+name: Setup env
+description: Sets up node and pnpm
+
+inputs:
+  pnpm-version:
+    description: Version of pnpm to install
+    required: false
+    default: "9"
+  node-version:
+    description: Version of node to install
+    required: false
+    default: "18"
+  cache-save:
+    description: Whether to save the pnpm cache
+    required: false
+    default: "false"
+outputs:
+  cache-hit:
+    description: Whether the cache was restored
+    value: ${{ steps.setup-node.outputs.cache-hit || steps.cache-restore.outputs.cache-hit }}
+
+runs:
+  using: composite
+  steps:
+    - uses: pnpm/action-setup@v4
+      with:
+        version: ${{ inputs.pnpm-version }}
+    - uses: actions/setup-node@v4
+      id: setup-node
+      with:
+        node-version: ${{ inputs.node-version }}
+        cache: ${{ inputs.cache-save == 'true' && 'pnpm' || '' }}
+        cache-dependency-path: "**/pnpm-lock.yaml"
+    - id: pnpm
+      if: inputs.cache-save == 'false'
+      run: pnpm store path --silent | xargs -I {} -0 echo "path={}" | tee -a $GITHUB_OUTPUT
+      shell: bash
+    - uses: actions/cache/restore@v4
+      id: cache-restore
+      if: inputs.cache-save == 'false'
+      with:
+        path: ${{ steps.pnpm.outputs.path }}
+        key: node-cache-${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}

.github/workflows/LATEST_DEPENDENCY_VERSIONS.yml

@@ -14,13 +14,7 @@ jobs:
     runs-on: ${{ matrix.system }}
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Delete pnpm-lock.yaml
         run: "rm pnpm-lock.yaml"
       - name: Install

.github/workflows/cache.yml

@@ -0,0 +1,48 @@
+name: Cache
+
+on:
+  push:
+    branches:
+      - main
+      - pre-release-testing-branch
+      - changeset-release/main
+      - v-next
+    paths:
+      - ".github/workflows/cache.yml"
+      - "**/pnpm-lock.yaml"
+  pull_request:
+    paths:
+      - ".github/workflows/cache.yml"
+      - "**/pnpm-lock.yaml"
+  workflow_dispatch:
+
+concurrency:
+  group: ${{github.workflow}}-${{github.ref}}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  cache:
+    name: Cache
+    runs-on: ${{ matrix.runner }}
+    strategy:
+      fail-fast: false
+      matrix:
+        runner: ["ubuntu-latest", "macos-latest", "windows-latest"]
+    steps:
+      - uses: actions/checkout@v4
+      - id: env
+        uses: ./.github/actions/setup-env
+        with:
+          cache-save: true
+      - name: Install
+        if: steps.env.outputs.cache-hit != 'true'
+        run: |
+          for lockfile in $(find "$(pwd)" -name pnpm-lock.yaml); do
+            pushd "$(dirname "$lockfile")"
+              pnpm install --frozen-lockfile --prefer-offline
+            popd
+          done

.github/workflows/check-docs-site.yml

@@ -16,13 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Install Docs

.github/workflows/comment-on-linter-error.yml

@@ -20,13 +20,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           ref: "refs/pull/${{ github.event.number }}/merge"
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build

.github/workflows/e2e-tests.yml

@@ -29,12 +29,7 @@ jobs:
       IS_WINDOWS: ${{ matrix.os == 'windows-latest' }}
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
+      - uses: ./.github/actions/setup-env
       - name: Run fixture-projects script
         run: |
           cd e2e

.github/workflows/hardhat-chai-matchers-ci.yml

@@ -30,13 +30,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -51,13 +45,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -75,13 +63,9 @@ jobs:
         node: [18, 20, 22]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
+      - uses: ./.github/actions/setup-env
         with:
           node-version: ${{ matrix.node }}
-          cache: "pnpm"
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build

.github/workflows/hardhat-core-ci.yml

@@ -41,14 +41,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - name: Install Node
-        uses: actions/setup-node@v4
+      - uses: ./.github/actions/setup-env
         with:
           node-version: ${{ matrix.node }}
-          cache: pnpm
 
       - name: Install package
         run: pnpm install --frozen-lockfile --prefer-offline
@@ -83,14 +78,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - name: Install Node
-        uses: actions/setup-node@v4
+      - uses: ./.github/actions/setup-env
         with:
           node-version: ${{ matrix.node }}
-          cache: pnpm
 
       - name: Install package
         run: pnpm install --frozen-lockfile --prefer-offline
@@ -123,13 +113,9 @@ jobs:
         node: [18, 20]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
+      - uses: ./.github/actions/setup-env
         with:
           node-version: ${{ matrix.node }}
-          cache: pnpm
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Install @types/node

.github/workflows/hardhat-ethers-ci.yml

@@ -32,13 +32,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -51,13 +45,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -73,13 +61,9 @@ jobs:
         node: [18, 20, 22]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
+      - uses: ./.github/actions/setup-env
         with:
           node-version: ${{ matrix.node }}
-          cache: "pnpm"
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build

.github/workflows/hardhat-foundry-ci.yml

@@ -30,13 +30,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -51,13 +45,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -75,13 +63,9 @@ jobs:
         node: [18, 20, 22]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
+      - uses: ./.github/actions/setup-env
         with:
           node-version: ${{ matrix.node }}
-          cache: "pnpm"
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build

.github/workflows/hardhat-ledger-ci.yml

@@ -33,13 +33,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -52,13 +46,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-          cache: "pnpm"
+      - uses: ./.github/actions/setup-env
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build
@@ -74,13 +62,9 @@ jobs:
         node: [18, 20, 22]
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
+      - uses: ./.github/actions/setup-env
         with:
           node-version: ${{ matrix.node }}
-          cache: "pnpm"
       - name: Install
         run: pnpm install --frozen-lockfile --prefer-offline
       - name: Build