davideandClaude Sonnet 5.5
2b6ddb019b
place_bet and request_withdrawal released everything on any exception from the broadcast, including the 15s timeout and a connection dropped after the write. The tx may have propagated: a bet's sats landed in the pool with no participant, a withdrawal left while its row said failed and its coins were spendable again. - client: ElectrumRpcError (subclass of ElectrumError) is raised only for a reply carrying a JSON-RPC `error`; timeouts, drops and write errors stay plain ElectrumError. - tx/outcome.py:broadcast_with_verdict sorts a broadcast into accepted / refused / uncertain. A refusal is verified first: ElectrumListener.transaction_known asks blockchain.transaction.get of the active server and every other one (10s each) — any server returning the tx means accepted; the active server plus MIN_QUORUM_RESPONSES others all denying it means refused (ALLOW_NO_QUORUM keeps the reduced rule); too few answers is uncertain. "already known" wording is only a shortcut that skips the check. With no network to ask, a refusal is uncertain. - place_bet / request_withdrawal / _trigger_payout use it: only a verified refusal releases; uncertain leaves the rows building for the reconciler, publishes SSE and POST /bets and POST /withdrawals answer 202 with status building; "already known" promotes a payout (payout_sent) like any accepted broadcast. - An accepted transaction is fanned out to every other server (ElectrumListener.fan_out_transaction, best effort, off the caller's path). The RBF replacement in bump_fee is left for B-77, which rewrites that function. Tests changed because the spec changed: the existing "refused broadcast" tests raised a bare RuntimeError (now an uncertain outcome) and are made explicit refusals (rpc_error) with a network that denies the tx; direct route calls pass a Response; FakePayoutListener gains the network surface. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
from fastapi import APIRouter, Depends, Request, Response, status
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from pydantic import BaseModel
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.api.errors import from_api_error, http_error
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from app.auth.dependencies import get_current_user
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from app.bets.service import BetError, place_bet
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from app.db.models import User
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from app.db.session import get_session
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router = APIRouter(prefix="/bets", tags=["bets"])
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class BetResponse(BaseModel):
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round_id: int
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bet_txid: str
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bet_amount_sats: int
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status: str
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@router.post("", response_model=BetResponse, status_code=status.HTTP_201_CREATED)
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async def create_bet(
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request: Request,
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response: Response,
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user: User = Depends(get_current_user),
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session: AsyncSession = Depends(get_session),
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) -> BetResponse:
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listener = request.app.state.electrum_listener
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if listener.client is None:
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raise http_error(
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status.HTTP_503_SERVICE_UNAVAILABLE,
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"network_unavailable",
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"not connected to the network, try again shortly",
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)
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async with request.app.state.user_locks.acquire(user.id):
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try:
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participant = await place_bet(session, listener.client, user, network=listener)
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except BetError as exc:
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# A rejected broadcast isn't the client's fault — it's the network
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# refusing our transaction, so it answers 502 rather than 400 (B-07).
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code = (
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status.HTTP_502_BAD_GATEWAY
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if exc.code == "broadcast_failed"
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else status.HTTP_503_SERVICE_UNAVAILABLE # B-88: write lock not granted, nothing sent
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if exc.code == "service_busy"
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else status.HTTP_400_BAD_REQUEST
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)
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raise from_api_error(code, exc) from exc
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if participant.status == "building":
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# B-76 (TX-20, BET-23): the outcome of the broadcast is uncertain — the tx may
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# already be on the network — so the bet is accepted for processing, not
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# confirmed as sent, and the reconciler settles it.
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response.status_code = status.HTTP_202_ACCEPTED
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return BetResponse(
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round_id=participant.round_id,
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bet_txid=participant.bet_txid,
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bet_amount_sats=participant.bet_amount_sats,
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status=participant.status,
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)
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