fix: check if wallet is importable

Signed-off-by: Sai Ranjit Tummalapalli <sairanjit.tummalapalli@ayanworks.com>

packages/ssi/src/wallet/wallet.ts

@@ -59,6 +59,39 @@ export const exportWallet = async (agent: Agent, exportConfig: WalletExportImpor
   await agent.wallet.export(exportConfig)
 }
 
+/**
+ * Checks if a wallet can be imported successfully with the given configuration.
+ *
+ * @param walletConfig The configuration for the wallet.
+ * @param importConfig The configuration for importing the wallet.
+ * @returns A Promise that resolves to a boolean indicating whether the wallet can be imported successfully.
+ */
+export const isWalletImportable = async (
+  walletConfig: WalletConfig,
+  importConfig: WalletExportImportConfig
+): Promise<boolean> => {
+  const fileSystem = new agentDependencies.FileSystem()
+  try {
+    const tempImportPath = fileSystem.tempPath + '/importTemp'
+    // Add temp path to wallet config
+    walletConfig.storage = {
+      type: 'sqlite',
+      path: tempImportPath
+    }
+    // NOTE: a custom wallet is used to check if the wallet passphrase is correct and can be imported successfully.
+    const askarWallet = new AskarWallet(new ConsoleLogger(LogLevel.debug), fileSystem, new SigningProviderRegistry([]))
+    await askarWallet.import(walletConfig, importConfig)
+
+    await fileSystem.delete(importConfig.path)
+    return true
+  } catch (e) {
+    // eslint-disable-next-line no-console
+    console.log('Error importing wallet', e)
+    await fileSystem.delete(importConfig.path)
+    return false
+  }
+}
+
 /**
  * Imports a wallet with an agent.
  *