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Function Signature
Parameters
forChainId
: Optional chain identifier (e.g., "eip155:1" for Ethereum mainnet, "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp" for Solana mainnet). If nil, checks for any valid shares across all chains.
Returns
A boolean value indicating whether wallet shares exist on the device:
When forChainId is provided:
Returns true
if shares exist for the specified chain
Returns false
if no shares are found for the chain
When forChainId is nil:
Returns true
if any valid share exists (has non-empty ID)
Returns false
if no valid shares are found
Throws
PortalClassError.invalidChainId
if the provided chain ID format is invalid
PortalClassError.unsupportedChainId
if the chain's namespace is not supported
Various keychain-related errors if share retrieval fails
Example Usage
Implementation Notes
This method checks for the physical presence of shares on the device, regardless of their status
Different from doesWalletExist()
which checks for completed shares on the server
Useful for determining whether to trigger wallet recovery or creation flows
The check is performed against the device's keychain storage
Usage in App Flow
App Launch Check:
Device Migration:
Related Documentation
For more information about wallet storage and device management, see:
Checks whether wallet shares are present in the device's keychain. This method verifies if the signing shares required for wallet operations are stored in the device's local keychain.