Use GHA runners

.github/actions/code-coverage/action.yaml

@@ -0,0 +1,63 @@
+name: "Code Coverage"
+description: "Generates and uploads code coverage report"
+inputs:
+  test_file:
+    description: "The test file to run"
+    required: false
+    default: "test_units/main.dart"
+runs:
+  using: "composite"
+  steps:
+    - name: Code Coverage
+      continue-on-error: false
+      shell: bash
+      run: |
+        echo "Running code coverage"
+        if [ "$RUNNER_OS" == "Linux" ]; then
+          echo "Installing lcov..."
+          sudo apt-get update -qq -y 2>&1 > /dev/null
+          sudo apt-get install lcov -y 2>&1 > /dev/null
+          echo "lcov has been successfully installed."
+        elif [ "$RUNNER_OS" == "macOS" ]; then
+          if ! command -v brew &> /dev/null; then
+              echo "Homebrew is not installed. Installing Homebrew..."
+              /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+              # Check if installation was successful
+              if [ $? -eq 0 ]; then
+                  echo "Homebrew has been successfully installed."
+              else
+                  echo "Failed to install Homebrew. Please check the error messages above and try again."
+                  exit 1
+              fi
+          fi
+
+          brew install lcov
+        else
+           echo "Unsupported operating system"
+           exit 1
+        fi
+        flutter test --coverage ${{ inputs.test_file }} 2>&1 > /dev/null && \
+          echo "Generated code coverage report" || \
+          echo "ERROR: Failed to generate code coverage report"
+
+        echo "Generating HTML report from lcov.info..."
+        genhtml -q coverage/lcov.info -o coverage/html && \
+          echo "Generated code coverage report" || \
+          echo "ERROR: Failed to generate code coverage report"
+
+        zip -q -r coverage-html.zip coverage/html && \
+          echo "Created coverage-html.zip" || \
+          echo "ERROR: Failed to compress coverage/html into a ZIP archive"
+        echo "Done running code coverage"
+
+    - name: Upload Code Coverage Report
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ runner.os }}-lcov.info
+        path: ./coverage/lcov.info
+
+    - name: Upload Code Coverage HTML Report
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ runner.os }}-coverage-html
+        path: ./coverage-html.zip

.github/actions/flutter-deps/action.yml

@@ -0,0 +1,20 @@
+name: "Flutter Dependencies"
+description: "Installs Flutter and any other dependencies required for the build"
+runs:
+  using: "composite"
+  steps:
+    - name: Get stable flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: "3.27.x"
+        channel: "stable"
+
+    - name: Prepare build directory
+      shell: bash
+      run: |
+        flutter clean
+        rm -rf build/*
+        rm -rf web/src/mm2/*
+        rm -rf web/src/kdfi/*
+        rm -rf web/dist/*
+

.github/actions/generate-assets/action.yml

@@ -0,0 +1,43 @@
+name: "Generates assets"
+description: "Runs the flutter build command to transform and generate assets for the deployment build"
+
+inputs:
+  GITHUB_TOKEN:
+    description: "The GitHub API public readonly token"
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - name: Fetch packages and generate assets
+      shell: bash
+      env:
+        GITHUB_API_PUBLIC_READONLY_TOKEN: ${{ inputs.GITHUB_TOKEN }}
+      run: |
+        echo "Running \`flutter build\` to generate assets for the deployment build"
+
+        if [ -n "$GITHUB_API_PUBLIC_READONLY_TOKEN" ]; then
+          echo "GITHUB_TOKEN provided, running flutter build with token"
+        else
+          echo "GITHUB_TOKEN not provided or empty, running flutter build without token"
+          unset GITHUB_API_PUBLIC_READONLY_TOKEN
+        fi
+
+        # Run flutter build once to download coin icons and config files. 
+        # This step is expected to "fail", since flutter build has to run again 
+        # after the assets are downloaded to register them in AssetManifest.bin
+        flutter pub get > /dev/null 2>&1
+        flutter build web --release > /dev/null 2>&1 || true
+        rm -rf build/*
+
+        # Run flutter build and capture its output and exit status
+        flutter pub get > /dev/null 2>&1
+        output=$(flutter build web --release)
+        exit_status=$?
+
+        # Check if the exit status is non-zero (indicating an error)
+        if [ $exit_status -ne 0 ]; then
+            echo "Flutter build exited with status $exit_status. Output:"
+            echo "$output"
+            exit $exit_status
+        fi
+        echo "Done fetching packages and generating assets"

.github/actions/validate-build/action.yml

@@ -0,0 +1,79 @@
+name: "Validate build"
+description: "Checks that all the necessary files are present in the build directory"
+runs:
+  using: "composite"
+  steps:
+    - name: Validate build
+      continue-on-error: false
+      shell: bash
+      run: |
+        COIN_ASSETS_DIR=build/web/assets/packages/komodo_defi_framework/assets
+
+        # Check that the web build folder contains a wasm file in the format build/web/kdf/*.wasm
+        if [ ! -f build/web/kdf/kdf/bin/*.wasm ]; then
+          echo "Error: Web build failed. No wasm file found in build/web/kdf/kdf/bin"
+          # List files for debugging
+          echo "Listing files in build/web recursively"
+          ls -R build/web
+
+          echo "Listing files in web recursively"
+          ls -R web
+
+          exit 1
+        fi
+
+        # Check that the index.html is present and that it is equal to the source index.html
+        if ! cmp -s web/index.html build/web/index.html; then
+          echo "Error: Web build failed. index.html is not equal to the source index.html"
+          exit 1
+        fi
+
+        # Decode the AssetManifest.bin and check for the coin icon presence
+        if [ ! -f build/web/assets/AssetManifest.bin ]; then
+          echo "Error: AssetManifest.bin file not found."
+          exit 1
+        fi
+        if ! strings build/web/assets/AssetManifest.bin | grep -qi "assets/coin_icons/png/kmd.png"; then
+          echo "Error: Coin icon not found in AssetManifest.bin"
+          echo "Output of case-invariant grep on build/web/assets/AssetManifest.bin"
+          strings build/web/assets/AssetManifest.bin | grep -i "assets/coin_icons/png/kmd.png"
+          echo "Listing kmd png files in assets/coin_icons/png"
+          ls -R build/web/assets | grep kmd.png
+          if ! strings build/web/assets/AssetManifest.bin | grep -qi "assets/coin_icons/png/kmd.png"; then
+            echo "Error: Coin icon not found in AssetManifest.bin"
+            exit 1
+          fi
+        fi
+
+        # Check that app_build/build_config.json is present, is valid json
+        # and does not contain "LAST_RUN" in the first line (invalid json format)
+        if [ ! -f app_build/build_config.json ]; then
+          echo "Error: build_config.json file not found."
+          exit 1
+        fi
+        if ! jq . app_build/build_config.json > /dev/null; then
+          echo "Error: build_config.json is not valid json"
+          exit 1
+        fi
+
+        # Check that $COIN_ASSETS_DIR/config/coins.json is present, is valid json
+        # and does not contain "LAST_RUN" in the first line (invalid json format)
+        if [ ! -f $COIN_ASSETS_DIR/config/coins.json ]; then
+          echo "Error: coins.json file not found."
+          exit 1
+        fi
+        if ! jq . $COIN_ASSETS_DIR/config/coins.json > /dev/null; then
+          echo "Error: coins.json is not valid json"
+          exit 1
+        fi
+
+        # Check that $COIN_ASSETS_DIR/config/coins_config.json is present, is valid json
+        # and does not contain "LAST_RUN" in the first line (invalid json format)
+        if [ ! -f $COIN_ASSETS_DIR/config/coins_config.json ]; then
+          echo "Error: coins_config.json file not found."
+          exit 1
+        fi
+        if ! jq . $COIN_ASSETS_DIR/config/coins_config.json > /dev/null; then
+          echo "Error: coins_config.json is not valid json"
+          exit 1
+        fi

.github/workflows/firebase-hosting-merge.yml

@@ -1,8 +1,12 @@
-name: Deploy to Firebase Hosting on merge
+# Deploys a Release Candidate build to Firebase Hosting (https://walletrc.web.app) when pushing/merging commits into the `dev` branch.
+name: Deploy RC to Firebase Hosting on merge
+run-name: ${{ github.actor }} is deploying RC build to Firebase 🚀
+
 on:
   push:
     branches:
       - dev
+
 jobs:
   build_and_deploy:
     runs-on: ubuntu-latest
@@ -21,74 +25,16 @@ jobs:
       - name: Setup GH Actions
         uses: actions/checkout@v4
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '18'
-
-      - name: Get stable flutter
-        uses: subosito/flutter-action@v2
-        with:
-          flutter-version: '3.22.x'
-          channel: 'stable'
-
-      - name: Prepare build directory
-        run: |
-          flutter clean
-          rm -rf build/*
-          rm -rf web/src/mm2/*
-          rm -rf web/src/kdfi/*
-          rm -rf web/dist/*
-
-        env:
-            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Install Flutter and dependencies
+        uses: ./.github/actions/flutter-deps
 
       - name: Fetch packages and generate assets
-        run: |
-          echo "Running \`flutter build\` to generate assets for the deployment build"
-          flutter pub get > /dev/null 2>&1
-          flutter build web --release > /dev/null 2>&1 || true
-          flutter pub get > /dev/null 2>&1
-          echo "Done fetching packages and generating assets"
-
-      - name: Build Komodo Wallet web
-        run: |
-          flutter doctor -v
-          flutter build web --csp --profile --no-web-resources-cdn
-
+        uses: ./.github/actions/generate-assets
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Validate build
-        run: |
-          # Check that the web build folder contains a file with format build/web/dist/*.wasm
-          if [ ! -f build/web/dist/*.wasm ]; then
-            echo "Error: Web build failed. No wasm file found in build/web/dist/"
-
-            echo "Listing files in build/web recursively"
-            ls -R build/web
-
-            echo "Listing files in web recursively"
-            ls -R web
-
-            exit 1 
-          fi
-          # Check that the index.html is present and that it is equal to the source index.html
-          if ! cmp -s web/index.html build/web/index.html; then
-            echo "Error: Web build failed. index.html is not equal to the source index.html"
-            exit 1
-          fi
-          # Check that the index.html has uncommitted changes to ensure that the placeholder was replaced with the generated content
-          if git diff --exit-code web/index.html; then
-            echo "Error: Web build failed. index.html has no uncommitted changes which indicates an issue with the \`template.html\` to \`index.html\` generation"
-            exit 1
-          fi
-          # Decode the AssetManifest.bin and check for the coin icon presence
-          if [ ! -f build/web/assets/AssetManifest.bin ]; then
-            echo "Error: AssetManifest.bin file not found."
-            exit 1
-          fi
-          if ! strings build/web/assets/AssetManifest.bin | grep -q "assets/coin_icons/png/kmd.png"; then
-            echo "Error: Coin icon not found in AssetManifest.bin"
-            exit 1
-          fi
+        uses: ./.github/actions/validate-build
 
       - name: Deploy Komodo Wallet Web dev preview (`dev` branch)
         if: github.ref == 'refs/heads/dev'
@@ -100,12 +46,13 @@ jobs:
           target: walletrc
           projectId: komodo-wallet-official
 
-      - name: Deploy Komodo Wallet Web RC (`master` branch)
-        if: github.ref == 'refs/heads/master'
+      - name: Deploy Komodo Wallet Web RC (`main` branch)
+        if: github.ref == 'refs/heads/main'
         uses: FirebaseExtended/[email protected]
         with:
           repoToken: '${{ secrets.GITHUB_TOKEN }}'
           firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_KOMODO_WALLET_OFFICIAL }}'
           channelId: live
           target: prodrc
           projectId: komodo-wallet-official
+