lnbits-legend/lnbits/core/models.py

148 lines
3.8 KiB
Python

import json
import hmac
import hashlib
from ecdsa import SECP256k1, SigningKey # type: ignore
from typing import List, NamedTuple, Optional, Dict
from sqlite3 import Row
from lnbits.settings import WALLET
class User(NamedTuple):
id: str
email: str
extensions: List[str] = []
wallets: List["Wallet"] = []
password: Optional[str] = None
@property
def wallet_ids(self) -> List[str]:
return [wallet.id for wallet in self.wallets]
def get_wallet(self, wallet_id: str) -> Optional["Wallet"]:
w = [wallet for wallet in self.wallets if wallet.id == wallet_id]
return w[0] if w else None
class Wallet(NamedTuple):
id: str
name: str
user: str
adminkey: str
inkey: str
balance_msat: int
@property
def balance(self) -> int:
return self.balance_msat // 1000
def lnurlauth_key(self, domain: str) -> SigningKey:
hashing_key = hashlib.sha256(self.id.encode("utf-8")).digest()
linking_key = hmac.digest(hashing_key, domain.encode("utf-8"), "sha256")
return SigningKey.from_string(linking_key, curve=SECP256k1, hashfunc=hashlib.sha256,)
async def get_payment(self, payment_hash: str) -> Optional["Payment"]:
from .crud import get_wallet_payment
return await get_wallet_payment(self.id, payment_hash)
async def get_payments(
self,
*,
complete: bool = True,
pending: bool = False,
outgoing: bool = True,
incoming: bool = True,
exclude_uncheckable: bool = False
) -> List["Payment"]:
from .crud import get_wallet_payments
return await get_wallet_payments(
self.id,
complete=complete,
pending=pending,
outgoing=outgoing,
incoming=incoming,
exclude_uncheckable=exclude_uncheckable,
)
class Payment(NamedTuple):
checking_id: str
pending: bool
amount: int
fee: int
memo: str
time: int
bolt11: str
preimage: str
payment_hash: str
extra: Dict
wallet_id: str
webhook: str
webhook_status: int
@classmethod
def from_row(cls, row: Row):
return cls(
checking_id=row["checking_id"],
payment_hash=row["hash"] or "0" * 64,
bolt11=row["bolt11"] or "",
preimage=row["preimage"] or "0" * 64,
extra=json.loads(row["extra"] or "{}"),
pending=row["pending"],
amount=row["amount"],
fee=row["fee"],
memo=row["memo"],
time=row["time"],
wallet_id=row["wallet"],
webhook=row["webhook"],
webhook_status=row["webhook_status"],
)
@property
def tag(self) -> Optional[str]:
return self.extra.get("tag")
@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_uncheckable(self) -> bool:
return self.checking_id.startswith("temp_") or self.checking_id.startswith("internal_")
async def set_pending(self, pending: bool) -> None:
from .crud import update_payment_status
await update_payment_status(self.checking_id, pending)
async def check_pending(self) -> None:
if self.is_uncheckable:
return
if self.is_out:
pending = WALLET.get_payment_status(self.checking_id)
else:
pending = WALLET.get_invoice_status(self.checking_id)
await self.set_pending(pending.pending)
async def delete(self) -> None:
from .crud import delete_payment
await delete_payment(self.checking_id)