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2% reserve only for external payments

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This commit is contained in:
mrbitcoiner 2021-12-29 11:55:52 -03:00
parent 32ea1106f9
commit cdeccec01b
1 changed files with 12 additions and 8 deletions
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20
lnbits/core/services.py
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@ -95,9 +95,7 @@ async def pay_invoice(
if max_sat and invoice.amount_msat > max_sat * 1000:
raise ValueError("Amount in invoice is too high.")
wallet = await get_wallet(wallet_id, conn=conn)
if invoice.amount_msat > wallet.balance_msat - (wallet.balance_msat / 100 * 2):
raise PermissionError("LNbits requires you keep at least 2% reserve to cover potential routing fees.")
wallet = await get_wallet(wallet_id, conn=conn)
# put all parameters that don't change here
PaymentKwargs = TypedDict(
@ -141,11 +139,17 @@ async def pay_invoice(
**payment_kwargs,
)
# do the balance check
wallet = await get_wallet(wallet_id, conn=conn)
assert wallet
if wallet.balance_msat < 0:
raise PermissionError("Insufficient balance.")
# do the balance check if internal payment
if internal_checking_id:
wallet = await get_wallet(wallet_id, conn=conn)
assert wallet
if wallet.balance_msat < 0:
raise PermissionError("Insufficient balance.")
# do the balance check if external payment
else:
if invoice.amount_msat > wallet.balance_msat - (wallet.balance_msat / 100 * 2):
raise PermissionError("LNbits requires you keep at least 2% reserve to cover potential routing fees.")
if internal_checking_id:
# mark the invoice from the other side as not pending anymore