Run marlowe-scaling as part of nightly tests

.github/workflows/nightly.yml

@@ -4,6 +4,7 @@ env:
   ALLOWED_URIS: "https://github.com https://api.github.com"
   TRUSTED_PUBLIC_KEYS: "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= marlowe-temp.cachix.org-1:1gPjVFpu4QjaAT3tRurCioX+BC23V7mjvFwpP5bV0Ec= loony-tools:pr9m4BkM/5/eSTZlkQyRt57Jz7OMBxNSUiMC4FkcNfk="
   SUBSTITUTERS: "https://cache.nixos.org/ https://cache.iog.io https://marlowe-temp.cachix.org https://cache.zw3rk.com/"
+  ENVIRONMENT: preview
 
 on:
   schedule:
@@ -57,3 +58,75 @@ jobs:
             :
           done
           result/bin/marlowe-finder --end-at-tip
+  marlowe-scaling:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v20
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+          install_url: https://releases.nixos.org/nix/nix-2.10.3/install
+          extra_nix_config: |
+            allowed-uris = ${{ env.ALLOWED_URIS }}
+            trusted-public-keys = ${{ env.TRUSTED_PUBLIC_KEYS }}
+            substituters = ${{ env.SUBSTITUTERS }}
+            experimental-features = nix-command flakes
+
+      - name: Setup Cachix
+        uses: cachix/cachix-action@v12
+        with:
+          name: ${{ env.CACHE_NAME }}
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+
+      - name: Build Marlowe Scaling
+        run: |
+          nix build .#marlowe.haskell.packages.marlowe-apps.components.exes.marlowe-scaling
+
+      - name: Install SSH keys
+        uses: shimataro/ssh-key-action@v2
+        with:
+          key: ${{ secrets.SSH_KEY }}
+          known_hosts: ${{ secrets.KNOWN_HOSTS }}
+
+      - name: Copy Signing Keys
+        env:
+          TEST_WALLET_SIGNING_KEYS: {{ secrets.TEST_WALLET_SIGNING_KEYS }}
+        run: |
+          i=0
+          while IFS= read -r key
+          do
+            echo $key | jq . > test-wallets/test.$i.skey
+            i=$((i+1))
+          done < <(printf '%s\n' "$TEST_WALLET_SIGNING_KEYS")
+
+      - name: Run Marlowe Scaling on Preview
+        run: |
+          scripts/setup-dev-connection &
+          while ! nc -zv 127.0.0.1 3700 > /dev/null 2>&1
+          do
+            :
+          done
+          result/bin/marlowe-scaling 2 \
+            "$(cat test-wallets/test.0.addr)=test-wallets/test.0.skey" \
+            "$(cat test-wallets/test.1.addr)=test-wallets/test.1.skey" \
+            "$(cat test-wallets/test.2.addr)=test-wallets/test.2.skey" \
+            "$(cat test-wallets/test.3.addr)=test-wallets/test.3.skey" \
+            "$(cat test-wallets/test.4.addr)=test-wallets/test.4.skey" \
+            "$(cat test-wallets/test.5.addr)=test-wallets/test.5.skey" \
+            "$(cat test-wallets/test.6.addr)=test-wallets/test.6.skey" \
+            "$(cat test-wallets/test.7.addr)=test-wallets/test.7.skey" \
+            "$(cat test-wallets/test.8.addr)=test-wallets/test.8.skey" \
+            "$(cat test-wallets/test.9.addr)=test-wallets/test.9.skey" \
+            "$(cat test-wallets/test.10.addr)=test-wallets/test.10.skey" \
+            "$(cat test-wallets/test.11.addr)=test-wallets/test.11.skey" \
+            "$(cat test-wallets/test.12.addr)=test-wallets/test.12.skey" \
+            "$(cat test-wallets/test.13.addr)=test-wallets/test.13.skey" \
+            "$(cat test-wallets/test.14.addr)=test-wallets/test.14.skey" \
+            "$(cat test-wallets/test.15.addr)=test-wallets/test.15.skey" \
+            "$(cat test-wallets/test.16.addr)=test-wallets/test.16.skey" \
+            "$(cat test-wallets/test.17.addr)=test-wallets/test.17.skey" \
+            "$(cat test-wallets/test.18.addr)=test-wallets/test.18.skey" \
+            "$(cat test-wallets/test.19.addr)=test-wallets/test.19.skey"