diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
new file mode 100644
index 000000000..817ce122f
--- /dev/null
+++ b/.github/workflows/codecov.yml
@@ -0,0 +1,116 @@
+name: nim-libp2p codecov builds
+
+on: [push, pull_request]
+
+jobs:
+  GossipSub:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        nim-options: [
+          "", 
+          "-d:libp2p_pubsub_anonymize=true -d:libp2p_pubsub_sign=false -d:libp2p_pubsub_verify=false", 
+          "-d:libp2p_pubsub_sign=true -d:libp2p_pubsub_verify=true",
+          "-d:fallback_gossipsub_10", 
+          "-d:fallback_gossipsub_10 -d:libp2p_pubsub_anonymize=true -d:libp2p_pubsub_sign=false -d:libp2p_pubsub_verify=false", 
+          "-d:fallback_gossipsub_10 -d:libp2p_pubsub_sign=true -d:libp2p_pubsub_verify=true"
+        ]
+        test-program: [
+          "tests/pubsub/testpubsub",
+          "tests/pubsub/testgossipinternal",
+          "tests/pubsub/testgossipinternal10"
+        ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y lcov build-essential git curl
+          mkdir coverage
+          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_nim.sh
+          env MAKE="make -j${NPROC}" bash build_nim.sh Nim csources dist/nimble NimBinaries
+          export PATH="$PATH:$PWD/Nim/bin"
+          nimble install -y --depsOnly
+          export NIM_OPTIONS="--opt:speed -d:debug --verbosity:0 --hints:off --lineDir:on -d:chronicles_log_level=INFO --warning[CaseTransition]:off --warning[ObservableStores]:off --warning[LockLevel]:off --nimcache:nimcache --passC:-fprofile-arcs --passC:-ftest-coverage --passL:-fprofile-arcs --passL:-ftest-coverage ${{ matrix.options }}"
+          nim c $NIM_OPTIONS -r ${{ matrix.test-program }}
+          cd nimcache; rm *.c; cd ..
+          lcov --capture --directory nimcache --output-file coverage/coverage.info
+          lcov --extract coverage/coverage.info  `pwd`/libp2p/* `pwd`/libp2p/**/* `pwd`/libp2p/**/**/* --output-file coverage/coverage.f.info
+          genhtml coverage/coverage.f.info --output-directory coverage/output-$GITHUB_RUN_ID
+          bash <(curl -s https://codecov.io/bash) -f coverage/coverage.f.info || echo "Codecov did not collect coverage reports"
+      - uses: actions/upload-artifact@master
+        with:
+          name: coverage
+          path: coverage/output-${{ env.GITHUB_RUN_ID }}
+
+  Tests:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        nim-options: [
+          ""
+        ]
+        test-program: [
+          "tests/testnative",
+        ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y lcov build-essential git curl
+          mkdir coverage
+          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_nim.sh
+          env MAKE="make -j${NPROC}" bash build_nim.sh Nim csources dist/nimble NimBinaries
+          export PATH="$PATH:$PWD/Nim/bin"
+          nimble install -y --depsOnly
+          export NIM_OPTIONS="--opt:speed -d:debug --verbosity:0 --hints:off --lineDir:on -d:chronicles_log_level=INFO --warning[CaseTransition]:off --warning[ObservableStores]:off --warning[LockLevel]:off --nimcache:nimcache --passC:-fprofile-arcs --passC:-ftest-coverage --passL:-fprofile-arcs --passL:-ftest-coverage ${{ matrix.options }}"
+          nim c $NIM_OPTIONS -r ${{ matrix.test-program }}
+          cd nimcache; rm *.c; cd ..
+          lcov --capture --directory nimcache --output-file coverage/coverage.info
+          lcov --extract coverage/coverage.info  `pwd`/libp2p/* `pwd`/libp2p/**/* `pwd`/libp2p/**/**/* --output-file coverage/coverage.f.info
+          genhtml coverage/coverage.f.info --output-directory coverage/output-$GITHUB_RUN_ID
+          bash <(curl -s https://codecov.io/bash) -f coverage/coverage.f.info || echo "Codecov did not collect coverage reports"
+      - uses: actions/upload-artifact@master
+        with:
+          name: coverage
+          path: coverage/output-${{ env.GITHUB_RUN_ID }}
+
+  Filter:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        nim-options: [
+          "",
+          "-d:libp2p_pki_schemes=secp256k1",
+          "-d:libp2p_pki_schemes=secp256k1;ed25519",
+          "-d:libp2p_pki_schemes=secp256k1;ed25519;ecnist",
+        ]
+        test-program: [
+          "tests/testpkifilter",
+        ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y lcov build-essential git curl
+          mkdir coverage
+          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_nim.sh
+          env MAKE="make -j${NPROC}" bash build_nim.sh Nim csources dist/nimble NimBinaries
+          export PATH="$PATH:$PWD/Nim/bin"
+          nimble install -y --depsOnly
+          export NIM_OPTIONS="--opt:speed -d:debug --verbosity:0 --hints:off --lineDir:on -d:chronicles_log_level=INFO --warning[CaseTransition]:off --warning[ObservableStores]:off --warning[LockLevel]:off --nimcache:nimcache --passC:-fprofile-arcs --passC:-ftest-coverage --passL:-fprofile-arcs --passL:-ftest-coverage ${{ matrix.options }}"
+          nim c $NIM_OPTIONS -r ${{ matrix.test-program }}
+          cd nimcache; rm *.c; cd ..
+          lcov --capture --directory nimcache --output-file coverage/coverage.info
+          lcov --extract coverage/coverage.info  `pwd`/libp2p/* `pwd`/libp2p/**/* `pwd`/libp2p/**/**/* --output-file coverage/coverage.f.info
+          genhtml coverage/coverage.f.info --output-directory coverage/output-$GITHUB_RUN_ID
+          bash <(curl -s https://codecov.io/bash) -f coverage/coverage.f.info || echo "Codecov did not collect coverage reports"
+      - uses: actions/upload-artifact@master
+        with:
+          name: coverage
+          path: coverage/output-${{ env.GITHUB_RUN_ID }}
+
+
+