mirror of
https://github.com/aljazceru/nutshell.git
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637e4ba80c
* NUT-04: add description * skip test for deprecated api * fix for lndgrpc * add test for cli * add two random tests * add max length to request model validator * skip cli test with description for deprecated api * add cli test for invoice command * default value to None
136 lines
3.1 KiB
Python
136 lines
3.1 KiB
Python
from abc import ABC, abstractmethod
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from typing import AsyncGenerator, Coroutine, Optional, Union
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from pydantic import BaseModel
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from ..core.base import (
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Amount,
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MeltQuote,
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Unit,
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)
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from ..core.models import PostMeltQuoteRequest
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class StatusResponse(BaseModel):
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error_message: Optional[str]
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balance: Union[int, float]
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class InvoiceQuoteResponse(BaseModel):
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checking_id: str
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amount: int
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class PaymentQuoteResponse(BaseModel):
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checking_id: str
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amount: Amount
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fee: Amount
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class InvoiceResponse(BaseModel):
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ok: bool # True: invoice created, False: failed
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checking_id: Optional[str] = None
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payment_request: Optional[str] = None
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error_message: Optional[str] = None
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class PaymentResponse(BaseModel):
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ok: Optional[bool] = None # True: paid, False: failed, None: pending or unknown
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checking_id: Optional[str] = None
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fee: Optional[Amount] = None
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preimage: Optional[str] = None
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error_message: Optional[str] = None
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class PaymentStatus(BaseModel):
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paid: Optional[bool] = None
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fee: Optional[Amount] = None
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preimage: Optional[str] = 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 is False
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def __str__(self) -> str:
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if self.paid is True:
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return "settled"
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elif self.paid is False:
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return "failed"
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elif self.paid is 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 LightningBackend(ABC):
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supports_mpp: bool = False
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supports_incoming_payment_stream: bool = False
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supported_units: set[Unit]
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supports_description: bool = False
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unit: Unit
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def assert_unit_supported(self, unit: Unit):
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if unit not in self.supported_units:
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raise Unsupported(f"Unit {unit} is not supported")
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@abstractmethod
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def __init__(self, unit: Unit, **kwargs):
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pass
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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: Amount,
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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(
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self, quote: MeltQuote, fee_limit_msat: int
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) -> 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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async def get_payment_quote(
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self,
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melt_quote: PostMeltQuoteRequest,
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) -> PaymentQuoteResponse:
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pass
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# @abstractmethod
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# async def get_invoice_quote(
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# self,
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# bolt11: str,
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# ) -> InvoiceQuoteResponse:
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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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