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Function Signature

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

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Description

Checks if a wallet exists for the client. Can optionally check for a specific chain.

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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 a wallet exists, false otherwise.

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Example

import 'package:portal_flutter/portal_flutter.dart';

final portal = Portal();

// Check if any wallet exists
final exists = await portal.doesWalletExist();

if (exists) {
  print('Wallet exists');
} else {
  print('No wallet found');
}

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Check Specific Chain

// Check if EVM wallet exists
final evmExists = await portal.doesWalletExist('eip155:1');

// Check if Solana wallet exists
final solExists = await portal.doesWalletExist('solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp');

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Errors

CodeDescription
NOT_INITIALIZEDPortal was not initialized