URI: 
       twallet_db.get_transaction: tolerate if tx_hash is None - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
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   DIR Submodules
       ---
   DIR commit 02fcc6f570ae60a47f9f29b4d375059d6621dd31
   DIR parent f8ba66058308afc73109d4b59b587a38733e1d3a
  HTML Author: SomberNight <somber.night@protonmail.com>
       Date:   Fri, 28 Feb 2020 20:23:50 +0100
       
       wallet_db.get_transaction: tolerate if tx_hash is None
       
       Traceback (most recent call last):
         File "...\electrum\electrum\gui\qt\main_window.py", line 1503, in do_pay
           self.do_pay_invoice(invoice)
         File "...\electrum\electrum\gui\qt\main_window.py", line 1516, in do_pay_invoice
           self.pay_onchain_dialog(self.get_coins(), outputs)
         File "...\electrum\electrum\gui\qt\main_window.py", line 1570, in pay_onchain_dialog
           self.preview_tx_dialog(make_tx=make_tx,
         File "...\electrum\electrum\gui\qt\main_window.py", line 1574, in preview_tx_dialog
           d = PreviewTxDialog(make_tx=make_tx, external_keypairs=external_keypairs,
         File "...\electrum\electrum\gui\qt\transaction_dialog.py", line 654, in __init__
           self.update()
         File "...\electrum\electrum\gui\qt\transaction_dialog.py", line 392, in update
           tx_details = self.wallet.get_tx_info(self.tx)
         File "...\electrum\electrum\wallet.py", line 486, in get_tx_info
           tx_we_already_have_in_db = self.db.get_transaction(tx_hash)
         File "...\electrum\electrum\json_db.py", line 44, in wrapper
           return func(self, *args, **kwargs)
         File "...\electrum\electrum\wallet_db.py", line 822, in get_transaction
           assert isinstance(tx_hash, str)
       AssertionError
       
       Traceback (most recent call last):
         File "...\electrum\electrum\gui\qt\confirm_tx_dialog.py", line 65, in timer_actions
           self.update()
         File "...\electrum\electrum\gui\qt\transaction_dialog.py", line 392, in update
           tx_details = self.wallet.get_tx_info(self.tx)
         File "...\electrum\electrum\wallet.py", line 486, in get_tx_info
           tx_we_already_have_in_db = self.db.get_transaction(tx_hash)
         File "...\electrum\electrum\json_db.py", line 44, in wrapper
           return func(self, *args, **kwargs)
         File "...\electrum\electrum\wallet_db.py", line 822, in get_transaction
           if tx_hash is None:
       AssertionError
       
       Diffstat:
         M electrum/wallet_db.py               |       4 +++-
       
       1 file changed, 3 insertions(+), 1 deletion(-)
       ---
   DIR diff --git a/electrum/wallet_db.py b/electrum/wallet_db.py
       t@@ -818,7 +818,9 @@ class WalletDB(JsonDB):
                return self.transactions.pop(tx_hash, None)
        
            @locked
       -    def get_transaction(self, tx_hash: str) -> Optional[Transaction]:
       +    def get_transaction(self, tx_hash: Optional[str]) -> Optional[Transaction]:
       +        if tx_hash is None:
       +            return None
                assert isinstance(tx_hash, str)
                return self.transactions.get(tx_hash)