User wallet address
Optionaloptions: Partial<{ coinType?: string } & SuiClientOption>Optional parameters including coin type filter and client options
coinType - If specified, retrieves only coins of this typeclient - If provided, uses this SuiClient instance instead of the default clientPromise<CoinStruct[]> - Array of coin objects owned by the address
Retrieves all coins owned by a user address
This function fetches all coin objects owned by a specific address from the Sui blockchain. It supports filtering by coin type and handles pagination automatically to retrieve all coins.