Added codecov

.github/workflows/ci.yml

@@ -13,3 +13,8 @@ jobs:
         run: make all
       - name: "Run tests"
         run: make test
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          file: ./cover.out
+

Makefile

@@ -50,7 +50,7 @@ ios:
 
 test:
 	# Skip mobile and cmd tests since they are being deprecated
-	go test -v $$(go list ./... | grep -v go-ethereum/cmd/)
+	go test -v $$(go list ./... | grep -v go-ethereum/cmd/) -cover -coverprofile=cover.out
 
 lint: ## Run linters.
 	$(GORUN) build/ci.go lint