Function decrypt_and_store_transaction 

pub fn decrypt_and_store_transaction<ParamsT, DbT>(
    params: &ParamsT,
    data: &mut DbT,
    tx: &Transaction,
    mined_height: Option<BlockHeight>,
) -> Result<(), <DbT as WalletRead>::Error>
where
    ParamsT: Parameters,
    DbT: WalletWrite,

Scans a [Transaction] for any information that can be decrypted by the accounts in the wallet, and saves it to the wallet.