Handle errors on CI better

Author: vrom911

.github/workflows/demo-test.yaml

@@ -20,12 +20,12 @@ jobs:
         with:
           submodules: true
 
-      - name: ❄ Setup Nix/Cachix
+      - name: Setup Nix/Cachix
         uses: ./.github/actions/nix-cachix-setup
         with:
           authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
 
-      - name: ❄ Check demo test
+      - name: Check demo test
         run: |
           nix develop .#demo -c bash -c "cd demo && ./test.sh"
 

demo/test.sh

@@ -33,6 +33,13 @@ echo "--- Seeding devnet"
 export CARDANO_NODE_SOCKET_PATH=devnet/node.socket
 ./seed-devnet.sh $(which cardano-cli) $(which hydra-node) --mainnet-era babbage
 
+echo "--- Checking for seed script output"
+if [ ! -f ".env" ] || ! grep -q "HYDRA_SCRIPTS_TX_ID" ".env"; then
+  echo "FAIL: Seed script did not produce a valid .env file"
+  exit 1
+fi
+echo ".env file found and seems valid."
+
 echo "--- Starting hydra-node"
 source .env
 hydra-node \