Fetch new package list

packages/safe-chain/src/config/configFile.js

@@ -203,6 +203,70 @@ export function readDatabaseFromLocalCache() {
   }
 }
 
+/**
+ * @param {import("../api/aikido.js").NewPackageEntry[]} data
+ * @param {string | number} version
+ *
+ * @returns {void}
+ */
+export function writeNewPackagesListToLocalCache(data, version) {
+  try {
+    const listPath = getNewPackagesListPath();
+    const versionPath = getNewPackagesListVersionPath();
+
+    fs.writeFileSync(listPath, JSON.stringify(data));
+    fs.writeFileSync(versionPath, version.toString());
+  } catch {
+    ui.writeWarning(
+      "Failed to write new packages list to local cache, next time the list will be fetched from the server again."
+    );
+  }
+}
+
+/**
+ * @returns {{newPackagesList: import("../api/aikido.js").NewPackageEntry[] | null, version: string | null}}
+ */
+export function readNewPackagesListFromLocalCache() {
+  try {
+    const listPath = getNewPackagesListPath();
+    if (!fs.existsSync(listPath)) {
+      return { newPackagesList: null, version: null };
+    }
+
+    const data = fs.readFileSync(listPath, "utf8");
+    const newPackagesList = JSON.parse(data);
+    const versionPath = getNewPackagesListVersionPath();
+    let version = null;
+    if (fs.existsSync(versionPath)) {
+      version = fs.readFileSync(versionPath, "utf8").trim();
+    }
+    return { newPackagesList, version };
+  } catch {
+    ui.writeWarning(
+      "Failed to read new packages list from local cache. Continuing without local cache."
+    );
+    return { newPackagesList: null, version: null };
+  }
+}
+
+/**
+ * @returns {string}
+ */
+function getNewPackagesListPath() {
+  const safeChainDir = getSafeChainDirectory();
+  const ecosystem = getEcoSystem();
+  return path.join(safeChainDir, `newPackagesList_${ecosystem}.json`);
+}
+
+/**
+ * @returns {string}
+ */
+function getNewPackagesListVersionPath() {
+  const safeChainDir = getSafeChainDirectory();
+  const ecosystem = getEcoSystem();
+  return path.join(safeChainDir, `newPackagesList_version_${ecosystem}.txt`);
+}
+
 /**
  * @returns {SafeChainConfig}
  */