now chainspec is being read from zombienet folder, parametrized scripts and kill processes from old runs -- very useful when you run test locally

Author: x3c41a

examples/authorize_and_store_papi_smoldot.js

@@ -1,6 +1,6 @@
 import assert from "assert";
 import * as smoldot from 'smoldot';
-import { ApiPromise, WsProvider } from "@polkadot/api";
+import { readFileSync } from 'fs';
 import { createClient } from 'polkadot-api';
 import { getSmProvider } from 'polkadot-api/sm-provider';
 import { cryptoWaitReady } from '@polkadot/util-crypto';
@@ -10,22 +10,14 @@ import { cidFromBytes } from "./cid_dag_metadata.js";
 import { bulletin } from './.papi/descriptors/dist/index.mjs';
 
 // Constants
-const BOB_NODE_WS = 'ws://localhost:12346';
 const SYNC_WAIT_SEC = 15;
 const SMOLDOT_LOG_LEVEL = 3; // 0=off, 1=error, 2=warn, 3=info, 4=debug, 5=trace
 const HTTP_IPFS_API = 'http://127.0.0.1:8080'   // Local IPFS HTTP gateway
 
-async function fetchChainSpec(nodeWs) {
-    console.log('Fetching chainspec from node...');
-    const provider = new WsProvider(nodeWs);
-    const api = await ApiPromise.create({ provider });
-    await api.isReady;
-
-    const chainSpec = (await api.rpc.syncstate.genSyncSpec(true)).toString();
-    const chainSpecObj = JSON.parse(chainSpec);
-    chainSpecObj.protocolId = null; // Allow smoldot to sync with local chain
-    
-    await api.disconnect();
+function readChainSpec(chainspecPath) {
+    const chainSpecContent = readFileSync(chainspecPath, 'utf8');
+    const chainSpecObj = JSON.parse(chainSpecContent);
+    chainSpecObj.protocolId = null;
     return JSON.stringify(chainSpecObj);
 }
 
@@ -41,8 +33,8 @@ function initSmoldot() {
     return sd;
 }
 
-async function createSmoldotClient() {
-    const chainSpec = await fetchChainSpec(BOB_NODE_WS);
+async function createSmoldotClient(chainspecPath) {
+    const chainSpec = readChainSpec(chainspecPath);
     const sd = initSmoldot();
     const chain = await sd.addChain({ chainSpec });
     const client = createClient(getSmProvider(chain));
@@ -53,10 +45,18 @@ async function createSmoldotClient() {
 async function main() {
     await cryptoWaitReady();
 
+    // Get chainspec path from command line argument
+    const chainspecPath = process.argv[2];
+    if (!chainspecPath) {
+        console.error('❌ Error: Chainspec path is required as first argument');
+        console.error('Usage: node authorize_and_store_papi_smoldot.js <chainspec-path>');
+        process.exit(1);
+    }
+    
     let sd, client, resultCode;
     try {
         // Init Smoldot PAPI client and typed api.
-        ({ client, sd } = await createSmoldotClient());
+        ({ client, sd } = await createSmoldotClient(chainspecPath));
         console.log(`⏭️ Waiting ${SYNC_WAIT_SEC} seconds for smoldot to sync...`);
         // TODO: check better way, when smoldot is synced, maybe some RPC/runtime api that checks best vs finalized block?        
         await new Promise(resolve => setTimeout(resolve, SYNC_WAIT_SEC * 1000));

examples/justfile

@@ -4,6 +4,7 @@
 
 # PID file locations
 PID_DIR := "/tmp/bulletin-pids"
+ZOMBIENET_DIR := "/tmp/bulletin-tests-run"
 
 # Default recipe - run the complete PAPI workflow test
 default: (run-authorize-and-store "ws" "bulletin-westend-runtime")
@@ -58,9 +59,7 @@ setup-westend-prerequisites:
     cp target/release/polkadot $BIN_DIR/
     cp target/release/polkadot-prepare-worker $BIN_DIR/
     cp target/release/polkadot-execute-worker $BIN_DIR/
-    
-    # Verify polkadot version
-    $BIN_DIR/polkadot --version
+    echo "   ✓ Polkadot binaries copied"
 
     # Build polkadot-parachain binary
     echo "   Building polkadot-parachain binary (this may take a while)..."
@@ -70,9 +69,7 @@ setup-westend-prerequisites:
     echo "   Copying polkadot-parachain binary..."
     ls -la target/release/polkadot-parachain
     cp target/release/polkadot-parachain $BIN_DIR/
-    
-    # Verify polkadot-parachain version
-    $BIN_DIR/polkadot-parachain --version
+    echo "   ✓ Polkadot-parachain binary copied"
 
     # Build and install chain-spec-builder
     echo "   Building chain-spec-builder..."
@@ -82,9 +79,7 @@ setup-westend-prerequisites:
     echo "   Copying chain-spec-builder binary..."
     ls -la target/release/chain-spec-builder
     cp target/release/chain-spec-builder $BIN_DIR/
-    
-    # Verify chain-spec-builder
-    $BIN_DIR/chain-spec-builder --version
+    echo "   ✓ Chain-spec-builder binary copied"
 
     # Add BIN_DIR to PATH for subsequent scripts
     export PATH="$BIN_DIR:$PATH"
@@ -117,6 +112,23 @@ bulletin-solo-zombienet-start runtime="bulletin-polkadot-runtime":
 
     mkdir -p {{ PID_DIR }}
 
+    # Kill any existing zombienet processes to prevent conflicts
+    echo "🔍 Checking for existing zombienet processes..."
+    ZOMBIE_PIDS=$(pgrep -f "zombienet.*spawn" || true)
+    if [ -n "$ZOMBIE_PIDS" ]; then
+        echo "   Found existing zombienet processes: $ZOMBIE_PIDS"
+        echo "   Killing existing zombienet processes..."
+        pkill -9 -f "zombienet.*spawn" || true
+        # Also kill any polkadot/polkadot-parachain processes from previous runs
+        pkill -9 -f "polkadot.*--chain.*bulletin" || true
+        pkill -9 -f "polkadot-parachain.*--chain.*bulletin" || true
+        pkill -9 -f "polkadot-bulletin-chain" || true
+        echo "   ✓ Cleaned up existing processes"
+    fi
+    
+    # Clean up stale PID file
+    [ -f "{{ PID_DIR }}/zombienet.pid" ] && rm "{{ PID_DIR }}/zombienet.pid"
+    
     echo "⚡ Starting Bulletin chain with zombienet (runtime: {{ runtime }})..."
 
     # Find zombienet binary (use env var if set, otherwise search)
@@ -168,7 +180,7 @@ bulletin-solo-zombienet-start runtime="bulletin-polkadot-runtime":
         cd ..
         POLKADOT_BINARY_PATH=$POLKADOT_BINARY_PATH \
           POLKADOT_PARACHAIN_BINARY_PATH=$POLKADOT_PARACHAIN_BINARY_PATH \
-          $ZOMBIENET_BIN -p native spawn $ZOMBIENET_CONFIG > /tmp/zombienet.log 2>&1 &
+          $ZOMBIENET_BIN -p native spawn --dir {{ ZOMBIENET_DIR }} $ZOMBIENET_CONFIG > /tmp/zombienet.log 2>&1 &
         cd examples
     else # bulletin-polkadot-runtime
         echo "   Setting up Polkadot runtime..."
@@ -177,7 +189,7 @@ bulletin-solo-zombienet-start runtime="bulletin-polkadot-runtime":
         BULLETIN_BINARY=$(cd .. && pwd)/target/release/polkadot-bulletin-chain
         ZOMBIENET_CONFIG=$(cd .. && pwd)/zombienet/bulletin-polkadot-local.toml
         cd ..
-        POLKADOT_BULLETIN_BINARY_PATH=$BULLETIN_BINARY $ZOMBIENET_BIN -p native spawn $ZOMBIENET_CONFIG > /tmp/zombienet.log 2>&1 &
+        POLKADOT_BULLETIN_BINARY_PATH=$BULLETIN_BINARY $ZOMBIENET_BIN -p native spawn --dir {{ ZOMBIENET_DIR }} $ZOMBIENET_CONFIG > /tmp/zombienet.log 2>&1 &
         cd examples
     fi
 
@@ -387,7 +399,19 @@ run-authorize-and-store mode="ws" runtime="bulletin-polkadot-runtime": npm-insta
     fi
 
     just setup-services {{ runtime }}
-    node $SCRIPT_NAME
+    
+    # Run the script with chainspec_path parameter only for smoldot mode
+    if [ "{{ mode }}" = "smoldot" ]; then
+        # Set chainspec path based on runtime
+        if [ "{{ runtime }}" = "bulletin-westend-runtime" ]; then
+            CHAINSPEC_PATH="{{ ZOMBIENET_DIR }}/bob/cfg/westend-local.json"
+        else # bulletin-polkadot-runtime
+            CHAINSPEC_PATH="{{ ZOMBIENET_DIR }}/bob/cfg/bulletin-polkadot-local.json"
+        fi
+        node $SCRIPT_NAME "$CHAINSPEC_PATH"
+    else
+        node $SCRIPT_NAME
+    fi
     EXAMPLE_EXIT=$?
 
     echo ""