mirror of
https://github.com/lnbits/lnbits-legend.git
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e112258c39
check pending invoices only once on startup, then check outgoing payments every 30 minutes, and delete outgoing payments that return False (meaning they have failed). also fix a bug on sparko.
84 lines
2 KiB
Python
84 lines
2 KiB
Python
from abc import ABC, abstractmethod
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from typing import NamedTuple, Optional, AsyncGenerator, Coroutine
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class StatusResponse(NamedTuple):
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error_message: Optional[str]
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balance_msat: int
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class InvoiceResponse(NamedTuple):
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ok: bool
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checking_id: Optional[str] = None # payment_hash, rpc_id
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payment_request: Optional[str] = None
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error_message: Optional[str] = None
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class PaymentResponse(NamedTuple):
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# when ok is None it means we don't know if this succeeded
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ok: Optional[bool] = None
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checking_id: Optional[str] = None # payment_hash, rcp_id
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fee_msat: int = 0
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preimage: Optional[str] = None
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error_message: Optional[str] = None
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class PaymentStatus(NamedTuple):
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paid: Optional[bool] = None
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@property
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def pending(self) -> bool:
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return self.paid is not True
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@property
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def failed(self) -> bool:
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return self.paid == False
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def __str__(self) -> str:
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if self.paid == True:
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return "settled"
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elif self.paid == False:
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return "failed"
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elif self.paid == None:
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return "still pending"
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else:
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return "unknown (should never happen)"
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class Wallet(ABC):
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@abstractmethod
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def status(self) -> Coroutine[None, None, StatusResponse]:
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pass
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@abstractmethod
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def create_invoice(
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self,
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amount: int,
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memo: Optional[str] = None,
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description_hash: Optional[bytes] = None,
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) -> Coroutine[None, None, InvoiceResponse]:
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pass
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@abstractmethod
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def pay_invoice(self, bolt11: str) -> Coroutine[None, None, PaymentResponse]:
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pass
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@abstractmethod
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def get_invoice_status(
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self, checking_id: str
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) -> Coroutine[None, None, PaymentStatus]:
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pass
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@abstractmethod
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def get_payment_status(
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self, checking_id: str
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) -> Coroutine[None, None, PaymentStatus]:
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pass
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@abstractmethod
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def paid_invoices_stream(self) -> AsyncGenerator[str, None]:
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pass
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class Unsupported(Exception):
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pass
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