Moves publish/protocol param prep back into seed-devnet

The overriding of commands from the network-tests usage site came to a
level where simply calling the hydra-node publish-scripts and cli
query protocol-parameters seemed easier than maintaining this second
shell script.

.github/workflows/network-test.yaml

@@ -67,7 +67,20 @@ jobs:
         sleep 5
         # :tear: socket permissions.
         sudo chown runner:docker devnet/node.socket
-        DEVNET_DIR=devnet HYDRA_NODE_CMD="nix run .#hydra-node --" ./export-tx-id-and-pparams.sh
+
+        HYDRA_SCRIPTS_TX_ID=$(nix run .#hydra-node -- publish-scripts \
+          --testnet-magic 42 \
+          --node-socket devnet/node.socket \
+          --cardano-signing-key devnet/credentials/faucet.sk)
+
+        echo $HYDRA_SCRIPTS_TX_ID >> .env
+
+        nix run .#cardano-cli query protocol-parameters \
+          --socket-path devnet/node.socket  \
+          --out-file /dev/stdout \
+          | jq ".txFeeFixed = 0 | .txFeePerByte = 0 | .executionUnitPrices.priceMemory = 0 | .executionUnitPrices.priceSteps = 0" \
+          > devnet/protocol-parameters.json
+
         # Specify two docker compose yamls; the second one overrides the
         # images to use the netem ones specifically
         docker compose -f docker-compose.yaml -f docker-compose-netem.yaml up -d hydra-node-{1,2,3}

demo/seed-devnet.sh

@@ -43,6 +43,18 @@ function ccli_() {
   fi
 }
 
+# Invoke hydra-node in a container or via provided executable
+function hnode() {
+  if [[ -n ${HYDRA_NODE_CMD} ]]; then
+      ${HYDRA_NODE_CMD} ${@}
+  else
+      docker run --rm -it \
+        --pull always \
+        -v ${SCRIPT_DIR}/devnet:/devnet \
+        ghcr.io/cardano-scaling/hydra-node:0.18.1 -- ${@}
+  fi
+}
+
 # Retrieve some lovelace from faucet
 function seedFaucet() {
     ACTOR=${1}
@@ -77,6 +89,26 @@ function seedFaucet() {
     echo >&2 "Done"
 }
 
+function publishReferenceScripts() {
+  echo >&2 "Publishing reference scripts..."
+  hnode publish-scripts \
+    --testnet-magic ${NETWORK_ID} \
+    --node-socket ${DEVNET_DIR}/node.socket \
+    --cardano-signing-key devnet/credentials/faucet.sk
+}
+
+function queryPParams() {
+  echo >&2 "Query Protocol parameters"
+  if [[ -x ${CCLI_CMD} ]]; then
+     ccli query protocol-parameters --socket-path ${DEVNET_DIR}/node.socket  --out-file /dev/stdout \
+      | jq ".txFeeFixed = 0 | .txFeePerByte = 0 | .executionUnitPrices.priceMemory = 0 | .executionUnitPrices.priceSteps = 0" > devnet/protocol-parameters.json
+   else
+     docker exec demo-cardano-node-1 cardano-cli query protocol-parameters --testnet-magic ${NETWORK_ID} --socket-path ${DEVNET_DIR}/node.socket --out-file /dev/stdout \
+      | jq ".txFeeFixed = 0 | .txFeePerByte = 0 | .executionUnitPrices.priceMemory = 0 | .executionUnitPrices.priceSteps = 0" > devnet/protocol-parameters.json
+  fi
+  echo >&2 "Saved in protocol-parameters.json"
+}
+
 echo >&2 "Fueling up hydra nodes of alice, bob and carol..."
 seedFaucet "alice" 30000000 # 30 Ada to the node
 seedFaucet "bob" 30000000 # 30 Ada to the node
@@ -85,5 +117,7 @@ echo >&2 "Distributing funds to alice, bob and carol..."
 seedFaucet "alice-funds" 100000000 # 100 Ada to commit
 seedFaucet "bob-funds" 50000000 # 50 Ada to commit
 seedFaucet "carol-funds" 25000000 # 25 Ada to commit
-
-./export-tx-id-and-pparams.sh
+queryPParams
+echo "HYDRA_SCRIPTS_TX_ID=$(publishReferenceScripts)" > .env
+echo >&2 "Environment variable stored in '.env'"
+echo >&2 -e "\n\t$(cat .env)\n"

flake.nix

@@ -126,7 +126,7 @@
                   x.components."${y}") [ "benchmarks" "exes" "sublibs" "tests" ]);
         in
         {
-          legacyPackages = hsPkgs;
+          legacyPackages = pkgs // hsPkgs;
 
           packages =
             hydraPackages //