Update circleci to have integration-tests-nix

.circleci/config.yml

@@ -32,6 +32,35 @@ jobs:
             circleci tests glob "../integration-tests/test/*.spec.ts" | circleci tests split | tee splits.txt
             docker-compose run integration_tests $(cat splits.txt)
           working_directory: ops
+  integration-tests-nix:
+    machine:
+      image: nixpkgs/nix-flakes:latest
+      docker_layer_caching: true
+    environment:
+      DOCKER_BUILDKIT: 1
+    parallelism: 4
+    steps:
+      - checkout
+      - run:
+          name: Bring up the stack
+          command: |
+            DAEMON=1 ./up_local.sh
+          working_directory: nix
+      - run:
+          name: Start background logging
+          working_directory: nix
+          background: true
+          command: docker-compose -f docker-compose.yml logs --follow
+      - run:
+          name: Wait for sequencer
+          command: bash scripts/wait-for-sequencer.sh
+          working_directory: ops
+      - run:
+          name: Run integration tests
+          command: |
+            circleci tests glob "../integration-tests/test/*.spec.ts" | circleci tests split | tee splits.txt
+            docker-compose run integration_tests $(cat splits.txt)
+          working_directory: nix
 
 workflows:
   main: