Fix codecov (#283)

## Describe your changes and provide context

## Testing performed to validate your change

.github/workflows/test.yml

@@ -132,10 +132,20 @@ jobs:
         run: go get github.com/wadey/gocovmerge && go install github.com/wadey/gocovmerge
 
       - name: Merge coverage reports
-        run: gocovmerge $(find . -name *profile.out) > coverage.txt
+        run: gocovmerge $(find . -type f -name '*profile.out') > coverage.txt
+
+      - name: Check coverage report lines
+        run: wc -l coverage.txt
+        continue-on-error: true
+
+      - name: Check coverage report files
+        run: ls **/*profile.out
+        continue-on-error: true
 
       # Now we upload the merged report to Codecov
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
         with:
           file: ./coverage.txt
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true

codecov.yml

@@ -1,7 +1,25 @@
 coverage:
+  precision: 2
+  round: down
   status:
+    # Learn more at https://docs.codecov.io/docs/commit-status
     project:
       default:
-        target: 80%
+        threshold: 1% # allow this much decrease on project
+        target: 70%
+
+comment:
+  layout: "reach,diff,flags,tree,betaprofiling"
+  behavior: default # update if exists else create new
+  require_changes: true
+
 ignore:
-  - "**/*pb*go"         # Auto-generated files
+  - "docs"
+  - "*.md"
+  - "*.rst"
+  - "**/*pb*.go"
+  - "tests/*"
+  - "tests/**/*"
+  - "x/**/test_common.go"
+  - "scripts/"
+  - "contrib"