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lnbits/lnbits/core/models/payments.py
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Python

from __future__ import annotations
from datetime import datetime, timezone
from enum import Enum
from typing import Literal
from fastapi import Query
from lnurl import LnurlWithdrawResponse
from loguru import logger
from pydantic import BaseModel, Field, validator
from lnbits.db import FilterModel
from lnbits.fiat.base import (
FiatPaymentStatus,
)
from lnbits.helpers import is_valid_external_id
from lnbits.utils.exchange_rates import allowed_currencies
from lnbits.wallets.base import (
PaymentStatus,
)
class PaymentState(str, Enum):
PENDING = "pending"
SUCCESS = "success"
FAILED = "failed"
def __str__(self) -> str:
return self.value
class PaymentExtra(BaseModel):
comment: str | None = None
success_action: str | None = None
lnurl_response: str | None = None
class UpdatePaymentExtra(BaseModel):
payment_hash: str
extra: dict = Field(default_factory=dict)
class PayInvoice(BaseModel):
payment_request: str
description: str | None = None
max_sat: int | None = None
extra: dict | None = {}
class CreatePayment(BaseModel):
wallet_id: str
payment_hash: str
bolt11: str
amount_msat: int
memo: str
extra: dict | None = {}
extension: str | None = None
preimage: str | None = None
expiry: datetime | None = None
webhook: str | None = None
fee: int = 0
labels: list[str] | None = None
external_id: str | None = None
@validator("external_id")
def validate_external_id(cls, external_id):
return _validate_external_id(external_id)
class Payment(BaseModel):
checking_id: str
payment_hash: str
wallet_id: str
amount: int
fee: int
bolt11: str
payment_request: str | None = Field(default=None, no_database=True)
fiat_provider: str | None = None
status: str = PaymentState.PENDING
memo: str | None = None
expiry: datetime | None = None
webhook: str | None = None
webhook_status: str | None = None
preimage: str | None = None
tag: str | None = None
extension: str | None = None
time: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
created_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
updated_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
labels: list[str] = []
extra: dict = {}
external_id: str | None = None
@validator("external_id")
def validate_external_id(cls, external_id):
return _validate_external_id(external_id)
def __init__(self, **data):
super().__init__(**data)
if "fiat_payment_request" in self.extra:
self.payment_request = self.extra["fiat_payment_request"]
else:
self.payment_request = self.bolt11
@property
def pending(self) -> bool:
return self.status == PaymentState.PENDING.value
@property
def success(self) -> bool:
return self.status == PaymentState.SUCCESS.value
@property
def failed(self) -> bool:
return self.status == PaymentState.FAILED.value
@property
def msat(self) -> int:
return self.amount
@property
def sat(self) -> int:
return self.amount // 1000
@property
def is_in(self) -> bool:
return self.amount > 0
@property
def is_out(self) -> bool:
return self.amount < 0
@property
def is_expired(self) -> bool:
return self.expiry < datetime.now(timezone.utc) if self.expiry else False
@property
def is_internal(self) -> bool:
return self.checking_id.startswith("internal_") or self.checking_id.startswith(
"fiat_"
)
# DEPRECATED: in v1.5.0, use service check_payment_status instead
async def check_status(self) -> PaymentStatus:
logger.warning("payment.check_status() is deprecated.")
from lnbits.core.services.payments import check_payment_status
return await check_payment_status(self)
# DEPRECATED: in v1.5.0, use service check_payment_status instead
async def check_fiat_status(self) -> FiatPaymentStatus:
logger.warning("payment.check_fiat_status() is deprecated.")
from lnbits.core.services.fiat_providers import check_fiat_status
return await check_fiat_status(self)
class PaymentFilters(FilterModel):
__search_fields__ = [
"memo",
"amount",
"wallet_id",
"tag",
"status",
"time",
"labels",
"external_id",
]
__sort_fields__ = [
"created_at",
"updated_at",
"amount",
"fee",
"memo",
"time",
"tag",
"external_id",
]
status: str | None
tag: str | None
checking_id: str | None
external_id: str | None
amount: int
fee: int
memo: str | None
time: datetime
preimage: str | None
payment_hash: str | None
wallet_id: str | None
labels: str | None
class PaymentDataPoint(BaseModel):
date: datetime
count: int
max_amount: int
min_amount: int
average_amount: int
total_amount: int
max_fee: int
min_fee: int
average_fee: int
total_fee: int
PaymentCountField = Literal["status", "tag", "extension", "wallet_id"]
class PaymentCountStat(BaseModel):
field: str = ""
total: float = 0
class PaymentWalletStats(BaseModel):
wallet_id: str = ""
wallet_name: str = ""
user_id: str = ""
payments_count: int
balance: float = 0
class PaymentDailyStats(BaseModel):
date: datetime
balance: float = 0
balance_in: float | None = 0
balance_out: float | None = 0
payments_count: int = 0
count_in: int | None = 0
count_out: int | None = 0
fee: float = 0
class PaymentHistoryPoint(BaseModel):
date: datetime
income: int
spending: int
balance: int
class DecodePayment(BaseModel):
data: str
filter_fields: list[str] | None = []
class CreateInvoice(BaseModel):
unit: str = "sat"
internal: bool = False
out: bool = True
amount: float = Query(None, ge=0)
memo: str | None = Query(None, max_length=640)
description_hash: str | None = None
unhashed_description: str | None = None
payment_hash: str | None = Query(
None,
description="The payment hash of the hold invoice.",
min_length=64,
max_length=64,
)
expiry: int | None = None
extra: dict | None = None
extension: str | None = None
webhook: str | None = None
bolt11: str | None = None
lnurl_withdraw: LnurlWithdrawResponse | None = None
fiat_provider: str | None = None
labels: list[str] = []
external_id: str | None = Query(default=None, max_length=256)
@validator("payment_hash")
def check_hex(cls, v):
if v:
_ = bytes.fromhex(v)
return v
@validator("unit")
@classmethod
def unit_is_from_allowed_currencies(cls, v):
if v != "sat" and v not in allowed_currencies():
raise ValueError("The provided unit is not supported")
return v
@validator("external_id")
def validate_external_id(cls, external_id):
return _validate_external_id(external_id)
class PaymentsStatusCount(BaseModel):
incoming: int = 0
outgoing: int = 0
failed: int = 0
pending: int = 0
class SettleInvoice(BaseModel):
preimage: str = Field(
...,
description="The preimage of the payment hash to settle the invoice.",
min_length=64,
max_length=64,
)
@validator("preimage")
def check_hex(cls, v):
_ = bytes.fromhex(v)
return v
class CancelInvoice(BaseModel):
payment_hash: str = Field(
...,
description="The payment hash of the invoice to cancel.",
min_length=64,
max_length=64,
)
@validator("payment_hash")
def check_hex(cls, v):
_ = bytes.fromhex(v)
return v
class UpdatePaymentLabels(BaseModel):
labels: list[str] = []
def _validate_external_id(external_id: str | None) -> str | None:
if external_id and not is_valid_external_id(external_id):
raise ValueError(
"Invalid external id. Max length is 256 characters. "
"Space and newlines are not allowed."
)
return external_id