test: get nitro docker image from ghcr

Author: alxdca

.github/workflows/build-test.yml

@@ -269,10 +269,46 @@ jobs:
           tags: |
             ${{ env.INT_TEST_CONTRACTS_IMAGE }}
 
+  publish-nitro-image:
+    name: Publish Nitro Image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Set Nitro image
+        run: |
+          echo "NITRO_SOURCE_IMAGE=offchainlabs/nitro-node:v3.9.5-66e42c4" >> "$GITHUB_ENV"
+          echo "NITRO_IMAGE=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/nitro-node:v3.9.5-66e42c4" >> "$GITHUB_ENV"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check Nitro image
+        id: check-image
+        run: |
+          if docker manifest inspect "${NITRO_IMAGE}" >/dev/null 2>&1; then
+            echo "exists=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "exists=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Mirror Nitro image to GHCR
+        if: steps.check-image.outputs.exists != 'true'
+        run: docker buildx imagetools create --tag "${NITRO_IMAGE}" "${NITRO_SOURCE_IMAGE}"
+
   test-integration-anvil:
     name: Test (Integration Anvil)
     needs:
       - publish-int-test-contracts-image
+      - publish-nitro-image
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -285,7 +321,7 @@ jobs:
         run: |
           echo "INT_TEST_CONTRACTS_IMAGE=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/chain-sdk-int-test-contracts:v3.2.0-2f747c7-v1.2.5-5975d8f73608" >> "$GITHUB_ENV"
           echo "ANVIL_IMAGE=ghcr.io/foundry-rs/foundry:v1.3.1" >> "$GITHUB_ENV"
-          echo "NITRO_IMAGE=offchainlabs/nitro-node:v3.9.5-66e42c4" >> "$GITHUB_ENV"
+          echo "NITRO_IMAGE=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/nitro-node:v3.9.5-66e42c4" >> "$GITHUB_ENV"
 
       - name: Log in to GHCR
         uses: docker/login-action@v3

src/integrationTestHelpers/constants.ts

@@ -3,7 +3,7 @@ import { ethers } from 'ethers';
 
 export const testConstants = {
   ANVIL_IMAGE: 'ghcr.io/foundry-rs/foundry:v1.3.1',
-  NITRO_IMAGE: 'offchainlabs/nitro-node:v3.9.5-66e42c4',
+  NITRO_IMAGE: 'ghcr.io/offchainlabs/nitro-node:v3.9.5-66e42c4',
   INT_TEST_CONTRACTS_IMAGE:
     'ghcr.io/offchainlabs/chain-sdk-int-test-contracts:v3.2.0-2f747c7-v1.2.5-5975d8f73608',
   DEPLOYER_PRIVATE_KEY: '0x490d84b7602e4b470af4f86a3ad095607a8bb5a4fa8ba148f41fcfd236b4fdf5' as Hex,