twallet._is_onchain_invoice_paid: support "zero amount" invoice - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
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---
DIR commit 79681c90e024d5a714861886a4bd56ac308878ee
DIR parent 880bd168835a703832dccb368099ec3cd2bdbb63
HTML Author: SomberNight <somber.night@protonmail.com>
Date: Tue, 17 Dec 2019 22:12:51 +0100
wallet._is_onchain_invoice_paid: support "zero amount" invoice
Diffstat:
M electrum/wallet.py | 4 ++++
1 file changed, 4 insertions(+), 0 deletions(-)
---
DIR diff --git a/electrum/wallet.py b/electrum/wallet.py
t@@ -679,6 +679,10 @@ class Abstract_Wallet(AddressSynchronizer, ABC):
prevouts_and_values = self.db.get_prevouts_by_scripthash(scripthash)
relevant_txs += [prevout.txid.hex() for prevout, v in prevouts_and_values]
total_received = sum([v for prevout, v in prevouts_and_values])
+ # check that there is at least one TXO, and that they pay enough.
+ # note: "at least one TXO" check is needed for zero amount invoice (e.g. OP_RETURN)
+ if len(prevouts_and_values) == 0:
+ return False, []
if total_received < invoice_amt:
return False, []
return True, relevant_txs