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lnworker._check_invoice: add sanity check
bip39-recovery
SomberNight
5 years ago
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GPG Key ID: B33B5F232C6271E9
1 changed files with
4 additions and
1 deletions
-
electrum/lnworker.py
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@ -1002,7 +1002,10 @@ class LNWallet(LNWorker): |
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addr = lndecode(invoice, expected_hrp=constants.net.SEGWIT_HRP) |
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if addr.is_expired(): |
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raise InvoiceError(_("This invoice has expired")) |
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if amount_msat: |
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if amount_msat: # replace amt in invoice. main usecase is paying zero amt invoices |
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existing_amt_msat = addr.get_amount_msat() |
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if existing_amt_msat and amount_msat < existing_amt_msat: |
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raise Exception("cannot pay lower amt than what is originally in LN invoice") |
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addr.amount = Decimal(amount_msat) / COIN / 1000 |
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if addr.amount is None: |
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raise InvoiceError(_("Missing amount")) |
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