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Function Signature

Future<bool> isWalletOnDevice([String? chainId])

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Description

Checks if the wallet signing shares are stored on the current device.

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Parameters

ParameterTypeRequiredDescription
chainIdStringNoOptional chain ID to check. If null, checks for any wallet.

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Returns

bool - true if the wallet is on device, false otherwise.

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Example

import 'package:portal_flutter/portal_flutter.dart';

final portal = Portal();

final isOnDevice = await portal.isWalletOnDevice();

if (isOnDevice) {
  print('Wallet is on this device');
} else {
  print('Wallet needs to be recovered');
}

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Use Case

This is useful for determining if a user needs to recover their wallet: 
final exists = await portal.doesWalletExist();
final onDevice = await portal.isWalletOnDevice();

if (exists && !onDevice) {
  // Wallet exists but needs to be recovered to this device
  print('Please recover your wallet');
}

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Errors

CodeDescription
NOT_INITIALIZEDPortal was not initialized