feat: add wallet import and check wallet pin methods

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

packages/ssi/src/agent.ts

@@ -43,7 +43,10 @@ import { anoncreds } from '@hyperledger/anoncreds-react-native'
 import { ariesAskar } from '@hyperledger/aries-askar-react-native'
 import { indyVdr } from '@hyperledger/indy-vdr-react-native'
 
-const getAgentModules = (mediatorInvitationUrl: string, indyNetworks: [IndyVdrPoolConfig, ...IndyVdrPoolConfig[]]) => {
+export const getAgentModules = (
+  mediatorInvitationUrl: string,
+  indyNetworks: [IndyVdrPoolConfig, ...IndyVdrPoolConfig[]]
+) => {
   return {
     askar: new AskarModule({
       ariesAskar

packages/ssi/src/index.ts

@@ -26,10 +26,11 @@ import { LogLevel, ConsoleLogger } from '@aries-framework/core'
 // Indy VDR
 import { IndyVdrPoolConfig } from '@aries-framework/indy-vdr'
 
-export { initializeAgent, AdeyaAgent } from './agent'
-export { LogLevel, ConsoleLogger, InitConfig, IndyVdrPoolConfig }
 export * from './providers'
 export * from './hooks'
+export * from './wallet'
+export { initializeAgent, AdeyaAgent } from './agent'
+export { LogLevel, ConsoleLogger, InitConfig, IndyVdrPoolConfig }
 export {
   V1RequestPresentationMessage,
   AnonCredsCredentialOffer,

packages/ssi/src/wallet/index.ts

@@ -0,0 +1,3 @@
+import { importWalletWithAgent, isWalletImportable, isWalletPinCorrect } from './wallet'
+
+export { importWalletWithAgent, isWalletImportable, isWalletPinCorrect }

packages/ssi/src/wallet/wallet.ts

@@ -0,0 +1,109 @@
+// NOTE: We need to import these to be able to use the AskarWallet in this file.
+import '@hyperledger/aries-askar-react-native'
+
+import type { InitConfig } from '@aries-framework/core'
+import type { IndyVdrPoolConfig } from '@aries-framework/indy-vdr'
+
+import { AskarWallet } from '@aries-framework/askar'
+import {
+  Agent,
+  ConsoleLogger,
+  HttpOutboundTransport,
+  LogLevel,
+  SigningProviderRegistry,
+  WsOutboundTransport,
+  type WalletConfig,
+  type WalletExportImportConfig
+} from '@aries-framework/core'
+import { agentDependencies } from '@aries-framework/react-native'
+
+import { getAgentModules } from '../agent'
+
+interface WalletImportConfigWithAgent {
+  agentConfig: InitConfig
+  importConfig: WalletExportImportConfig
+  mediatorInvitationUrl: string
+  indyNetworks: [IndyVdrPoolConfig, ...IndyVdrPoolConfig[]]
+}
+
+export const isWalletPinCorrect = async (walletConfig: WalletConfig) => {
+  try {
+    // NOTE: a custom wallet is used to check if the wallet key is correct. This is different from the wallet used in the rest of the app.
+    // We create an AskarWallet instance and open the wallet with the given secret.
+    const askarWallet = new AskarWallet(
+      new ConsoleLogger(LogLevel.off),
+      new agentDependencies.FileSystem(),
+      new SigningProviderRegistry([])
+    )
+    await askarWallet.open(walletConfig)
+
+    await askarWallet.close()
+    return true
+  } catch (e) {
+    // eslint-disable-next-line no-console
+    console.log('Error opening wallet', e)
+    return false
+  }
+}
+
+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.off), 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
+  }
+}
+
+export const importWalletWithAgent = async ({
+  importConfig,
+  agentConfig,
+  mediatorInvitationUrl,
+  indyNetworks
+}: WalletImportConfigWithAgent) => {
+  if (!agentConfig.walletConfig?.id || !agentConfig.walletConfig.key) {
+    // Cannot find wallet id/key in agent config, so we cannot import the wallet
+    return
+  }
+
+  if (!importConfig.key || !importConfig.path) {
+    throw new Error('Please enter a valid passphrase')
+  }
+
+  const agent = new Agent({
+    dependencies: agentDependencies,
+    config: {
+      autoUpdateStorageOnStartup: true,
+      ...agentConfig
+    },
+    modules: getAgentModules(mediatorInvitationUrl, indyNetworks)
+  })
+
+  agent.registerOutboundTransport(new HttpOutboundTransport())
+  agent.registerOutboundTransport(new WsOutboundTransport())
+
+  await agent.wallet.import(agentConfig.walletConfig, importConfig)
+
+  await agent.wallet.initialize(agentConfig.walletConfig)
+
+  await agent.initialize()
+
+  return agent
+}