update github CI configuration

Signed-off-by: p4u <pau@dabax.net>

.github/workflows/main.yml

@@ -26,24 +26,31 @@ jobs:
           only-new-issues: true
 
   test:
-    # matrix strategy from: https://github.com/mvdan/github-actions-golang/blob/master/.github/workflows/test.yml
-    strategy:
-      matrix:
-        go-version: [1.20.x]
-        platform: [ubuntu-latest]
-    runs-on: ${{ matrix.platform }}
+    runs-on: ubuntu-latest
+    env: 
+      WEB3_URI: ${{ secrets.WEB3_URI }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
-      - name: Install Go
-        uses: actions/setup-go@v3
+      - name: Set up Go environment
+        uses: actions/setup-go@v4
         with:
-          go-version: ${{ matrix.go-version }}
-          cache: true
-      - name: Run go test
-        env: 
-          WEB3_URI: ${{ secrets.WEB3_URI }}
-        run: go test -timeout=10m -race ./...
+          go-version: '1.20'
+      - name: Tidy go module
+        run: |
+          go mod tidy
+          if [[ $(git status --porcelain) ]]; then
+            git diff
+            echo
+            echo "go mod tidy made these changes, please run 'go mod tidy' and include those changes in a commit"
+            exit 1
+          fi
+      - name: Run Go test (and collect code coverage)
+        if: github.event_name == 'pull_request'  # quicker, non-race test in case it's a PR or push to dev
+        run: go test ./...
+      - name: Run Go test -race
+        if: github.event_name == 'push'
+        run: go test -vet=off -timeout=15m -race ./... # note that -race can easily make the crypto stuff 10x slower
 
   docker-release:
     runs-on: ubuntu-latest