Files
routstr-core/router/account.py
T
2025-07-15 12:05:32 -03:00

103 lines
3.0 KiB
Python

from typing import Annotated, NoReturn
from fastapi import APIRouter, Depends, Header, HTTPException
from .auth import validate_bearer_key
from .cashu import (
credit_balance,
delete_key_if_zero_balance,
refund_balance,
wallet,
)
from .db import ApiKey, AsyncSession, get_session
wallet_router = APIRouter(prefix="/v1/wallet")
async def get_key_from_header(
authorization: Annotated[str, Header(...)],
session: AsyncSession = Depends(get_session),
) -> ApiKey:
if authorization.startswith("Bearer "):
return await validate_bearer_key(authorization[7:], session)
raise HTTPException(
status_code=401,
detail="Invalid authorization. Use 'Bearer <cashu-token>' or 'Bearer <api-key>'",
)
# TODO: remove this endpoint when frontend is updated
@wallet_router.get("/")
async def account_info(key: ApiKey = Depends(get_key_from_header)) -> dict:
return {
"api_key": "sk-" + key.hashed_key,
"balance": key.balance,
}
@wallet_router.get("/info")
async def wallet_info(key: ApiKey = Depends(get_key_from_header)) -> dict:
return {
"api_key": "sk-" + key.hashed_key,
"balance": key.balance,
}
@wallet_router.post("/topup")
async def topup_wallet_endpoint(
cashu_token: str,
key: ApiKey = Depends(get_key_from_header),
session: AsyncSession = Depends(get_session),
) -> dict[str, int]:
amount_msats = await credit_balance(cashu_token, key, session)
return {"msats": amount_msats}
@wallet_router.post("/refund")
async def refund_wallet_endpoint(
key: ApiKey = Depends(get_key_from_header),
session: AsyncSession = Depends(get_session),
) -> dict:
remaining_balance_msats = key.balance
if remaining_balance_msats == 0:
raise HTTPException(status_code=400, detail="No balance to refund")
# Perform refund operation first, before modifying balance
if key.refund_address:
await refund_balance(remaining_balance_msats, key, session)
result = {"recipient": key.refund_address, "msats": remaining_balance_msats}
else:
# Convert msats to sats for cashu wallet
remaining_balance_sats = remaining_balance_msats // 1000
if remaining_balance_sats == 0:
raise HTTPException(
status_code=400, detail="Balance too small to refund (less than 1 sat)"
)
# TODO: choose currency and mint based on what user has configured
token = await wallet().send(remaining_balance_sats)
result = {"msats": remaining_balance_msats, "recipient": None, "token": token}
# Only after successful refund, zero out the balance
key.balance = 0
session.add(key)
await session.commit()
await delete_key_if_zero_balance(key, session)
return result
@wallet_router.api_route(
"/{path:path}",
methods=["GET", "POST", "PUT", "DELETE"],
include_in_schema=False,
response_model=None,
)
async def wallet_catch_all(path: str) -> NoReturn:
raise HTTPException(
status_code=404, detail="Not found check /docs for available endpoints"
)