chore: Rename pxe script generate-package-info to generate (#10534)

This ensures the command is caught by the `yarn generate` step for the
`build:fast` script in the root package.json.

---------

Co-authored-by: Gregorio Juliana <gregojquiros@gmail.com>

Author: spalladino

yarn-project/pxe/package.json

@@ -18,14 +18,14 @@
     "tsconfig": "./tsconfig.json"
   },
   "scripts": {
-    "build": "yarn clean && yarn generate:package_info && tsc -b",
+    "build": "yarn clean && yarn generate && tsc -b",
     "build:dev": "tsc -b --watch",
     "clean": "rm -rf ./dest .tsbuildinfo ./src/config/package_info.ts",
     "formatting": "run -T prettier --check ./src && run -T eslint ./src",
     "formatting:fix": "run -T eslint --fix ./src && run -T prettier -w ./src",
-    "generate:package_info": "node ./scripts/generate_package_info.js",
     "test": "NODE_NO_WARNINGS=1 node --experimental-vm-modules ../node_modules/.bin/jest --passWithNoTests",
-    "start": "DEBUG='aztec:*' && node ./dest/bin/index.js"
+    "start": "DEBUG='aztec:*' && node ./dest/bin/index.js",
+    "generate": "node ./scripts/generate_package_info.js"
   },
   "inherits": [
     "../package.common.json",
@@ -112,4 +112,4 @@
   "engines": {
     "node": ">=18"
   }
-}
+}

yarn-project/pxe/package.local.json

@@ -1,7 +1,7 @@
 {
     "scripts": {
-        "build": "yarn clean && yarn generate:package_info && tsc -b",
+        "build": "yarn clean && yarn generate && tsc -b",
         "clean": "rm -rf ./dest .tsbuildinfo ./src/config/package_info.ts",
-        "generate:package_info": "node ./scripts/generate_package_info.js"
+        "generate": "node ./scripts/generate_package_info.js"
     }
 }

yarn-project/pxe/src/synchronizer/synchronizer.ts

@@ -82,14 +82,13 @@ export class Synchronizer implements L2BlockStreamEventHandler {
     let currentHeader;
 
     try {
-      currentHeader = this.db.getBlockHeader();
+      currentHeader = await this.db.getBlockHeader();
     } catch (e) {
       this.log.debug('Header is not set, requesting from the node');
     }
     if (!currentHeader) {
       // REFACTOR: We should know the header of the genesis block without having to request it from the node.
-      const storedBlockNumber = await this.db.getBlockNumber();
-      await this.db.setHeader(await this.node.getBlockHeader(storedBlockNumber ?? 0));
+      await this.db.setHeader(await this.node.getBlockHeader(0));
     }
 
     await this.trigger();