Padreug
8d19da43c2
cash_owed / partial_pending now sends a NIP-17 gift-wrapped DM (kind 14 rumor → kind 13 seal signed through the operator's signer → kind 1059 wrap from a throwaway key) to the operator's own account pubkey, or to super_config.alerts_pubkey when set. Best-effort: a failed publish is logged and the dispense report is still acked; the worklist is the durable record. No email channel, no NIP-04.
309 lines
13 KiB
Python
309 lines
13 KiB
Python
"""
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Dispense outcome capture: the `report_dispense` nostr-transport RPC
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(bitspire ADR-005 §1-§2, aiolabs/bitspire#122).
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A cash-out used to be captured the instant its payment landed: `_handle_payment`
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spawned distribution in the same breath, so when a dispenser jammed two seconds
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later the legs were already paid and `processed` was the honest answer. Payment
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is now the authorization and the machine's dispense report is the capture. A
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`cash_out` settlement lands as `awaiting_dispense` and this handler moves it:
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dispense_confirmed → pending → distribution runs
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some notes out, value short → partial_pending (held whole — ADR-005
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Decision 1: one distribution when the
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shortfall is resolved)
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nothing out → cash_owed (legs never run; the customer
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is owed; first on the worklist)
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report carries remediates_txid → the owed/partial settlement it names
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goes to pending and distributes in full
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Every report is stored append-only in `dispense_reports` (lamassu-server's
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`cash_out_actions` shape), including the success ones — the success report is
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what captures. Identity is the VERIFIED transport sender, never the body, same
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as `create_withdraw` / `get_machine_config`. Idempotent on (txid, at): the
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machine resends until it gets an OK, and a byte-identical resend is acked
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without a new row or a second transition.
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A report can also arrive BEFORE its payment lands (hold invoices settle after
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the dispense; the invoice listener can lag). It is stored with no settlement;
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`_handle_payment` adopts it when the settlement is inserted and applies the
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same transition. See `apply_report_to_settlement`.
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"""
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from __future__ import annotations
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import asyncio
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from datetime import datetime
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from loguru import logger
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from .crud import (
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apply_dispense_outcome,
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get_dispense_report,
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get_machine_by_atm_pubkey_hex,
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get_settlement_by_txid,
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insert_dispense_report,
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link_dispense_reports_to_settlement,
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set_machine_counts_uncertain,
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)
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from .models import DcaSettlement, DispenseReport, DispenseReportIn, Machine
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_RPC_NAME = "report_dispense"
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# Statuses a first report may move. Anything else (processed, pending,
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# processing, errored, rejected, partial, refunded) is recorded but not moved —
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# a report cannot un-pay legs, and a late report for an already-captured sale
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# is information, not an instruction.
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_CAPTURABLE = ("awaiting_dispense",)
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# Statuses a remediation report may close out.
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_OWED = ("cash_owed", "partial_pending")
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# Strong references to in-flight distribution tasks, same reason as tasks.py.
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_inflight: set[asyncio.Task] = set()
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def _outcome_status(report: DispenseReportIn) -> str:
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if report.dispense_confirmed:
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return "pending"
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if report.total_dispensed_notes > 0:
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return "partial_pending"
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return "cash_owed"
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def _spawn_distribution(settlement_id: str) -> None:
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# Lazy import: distribution imports crud, and crud is what this module
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# already depends on; importing at module load would make a cycle.
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from .distribution import process_settlement
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task = asyncio.create_task(process_settlement(settlement_id))
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_inflight.add(task)
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task.add_done_callback(_inflight.discard)
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async def _alert_operator(settlement, machine: Machine, report: DispenseReportIn, status: str) -> None:
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"""ADR-005 §6: a human is now owed money — tell the operator over Nostr.
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Best-effort; the report is acked regardless (see notify.py)."""
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from .notify import notify_cash_outcome
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await notify_cash_outcome(settlement, machine, report, status)
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async def apply_report_to_settlement(
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settlement: DcaSettlement,
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report: DispenseReportIn,
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machine: Machine,
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) -> str:
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"""Move `settlement` according to `report`. Returns the resulting status.
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Shared by the RPC handler (report after payment) and `_handle_payment`
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(payment after report), so both orders of arrival take the same path.
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"""
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reported_at = datetime.fromtimestamp(report.at)
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if report.remediates_txid:
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# Handled by the caller against the settlement the remediation names;
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# for the remediation's OWN txid there is nothing to capture.
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return settlement.status
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if settlement.status not in _CAPTURABLE:
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logger.info(
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f"spirekeeper: report_dispense for settlement {settlement.id} in status "
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f"{settlement.status!r} — recorded, not moved (txid={report.txid})"
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)
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return settlement.status
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new_status = _outcome_status(report)
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updated = await apply_dispense_outcome(
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settlement.id, report, new_status, reported_at
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)
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status = updated.status if updated else new_status
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if new_status == "pending":
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_spawn_distribution(settlement.id)
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logger.info(
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f"spirekeeper: dispense CONFIRMED for settlement {settlement.id} "
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f"(machine={machine.id}, txid={report.txid}, "
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f"{report.fiat_cents / 100:.2f} {report.currency}) — distributing"
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)
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elif new_status == "partial_pending":
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await _alert_operator(updated or settlement, machine, report, new_status)
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logger.warning(
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f"spirekeeper: PARTIAL dispense for settlement {settlement.id} "
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f"(machine={machine.id}, txid={report.txid}): "
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f"{report.dispensed_fiat_cents / 100:.2f} of "
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f"{report.fiat_cents / 100:.2f} "
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f"{report.currency} left the machine; {report.error_code or 'no error'} "
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f"{report.raw_code or ''}. Held until the operator resolves the shortfall."
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)
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else:
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await _alert_operator(updated or settlement, machine, report, new_status)
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logger.error(
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f"spirekeeper: CASH OWED — settlement {settlement.id} "
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f"(machine={machine.id}, txid={report.txid}): customer paid "
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f"{report.fiat_cents / 100:.2f} {report.currency}, nothing dispensed; "
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f"{report.error_code or 'no error'} {report.raw_code or ''}: "
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f"{report.error or ''}"
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)
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return status
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async def _apply_remediation(
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machine: Machine, report: DispenseReportIn
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) -> tuple[str | None, str | None]:
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"""A manual dispense closed out an earlier failed txid. Returns
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(settlement_id, status) of the remediated settlement, or (None, None)."""
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assert report.remediates_txid
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target = await get_settlement_by_txid(machine.id, report.remediates_txid)
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if target is None:
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logger.warning(
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f"spirekeeper: remediation report {report.txid} names txid "
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f"{report.remediates_txid} with no settlement on this server"
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)
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return None, None
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if target.status not in _OWED:
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logger.info(
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f"spirekeeper: remediation report {report.txid} for settlement "
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f"{target.id} in status {target.status!r} — recorded, not moved"
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)
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return target.id, target.status
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if not report.dispense_confirmed:
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logger.warning(
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f"spirekeeper: remediation report {report.txid} for settlement "
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f"{target.id} did not itself confirm — settlement stays {target.status}"
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)
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return target.id, target.status
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# The customer is whole: the sale is the full amount. Keep the ORIGINAL
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# report's columns on the settlement (that is what happened at the sale);
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# the remediation is its own dispense_reports row.
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from .crud import mark_settlement_status
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await mark_settlement_status(target.id, "pending", None)
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_spawn_distribution(target.id)
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logger.info(
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f"spirekeeper: settlement {target.id} remediated by manual dispense "
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f"{report.txid} — distributing in full"
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)
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return target.id, "pending"
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async def handle_report_dispense(auth, request) -> dict:
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"""nostr-transport RPC handler. `auth` is the roster-resolved auth context
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(unused — the machine is identified from the signature); `request` is a
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NostrRpcRequest with `body` and `sender_pubkey` (verified).
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Returns `{txid, received, settlement_status}`; raises ValueError (→ transport
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ERROR reply) for an unpaired sender or a malformed body. The machine treats
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anything but OK as "resend later", so a malformed report is retried — which
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is right: the bug is on one side or the other and the row must not be lost.
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"""
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sender = (request.sender_pubkey or "").lower()
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if not sender:
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raise ValueError("missing verified sender_pubkey")
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machine = await get_machine_by_atm_pubkey_hex(sender)
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if machine is None:
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raise ValueError("sender pubkey is not a paired machine")
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try:
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report = DispenseReportIn(**(request.body or {}))
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except Exception as exc: # pydantic ValidationError, TypeError
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raise ValueError(f"invalid report_dispense body: {exc}") from exc
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# Idempotency: the machine resends until acked.
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existing = await get_dispense_report(machine.id, report.txid, report.at)
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if existing is not None:
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settlement = (
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await get_settlement_by_txid(machine.id, report.txid)
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if existing.settlement_id
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else None
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)
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return {
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"txid": report.txid,
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"received": True,
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"settlement_status": settlement.status if settlement else None,
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"duplicate": True,
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}
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if report.counts_uncertain:
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# The state document carries this too; mirroring it here means the
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# dashboard learns at report time rather than at the next heartbeat.
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await set_machine_counts_uncertain(machine.id, datetime.now())
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settlement = await get_settlement_by_txid(machine.id, report.txid)
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stored: DispenseReport = await insert_dispense_report(
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machine.id, settlement.id if settlement else None, report
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)
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status: str | None
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if report.remediates_txid:
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_, status = await _apply_remediation(machine, report)
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elif settlement is None:
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# Payment not landed yet (or never will). Kept unlinked;
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# _handle_payment adopts it when the settlement is inserted.
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logger.warning(
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f"spirekeeper: report_dispense {report.txid} from machine {machine.id} "
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f"has no settlement yet (confirmed={report.dispense_confirmed}) — "
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f"stored unlinked, will attach when the payment lands"
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)
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status = None
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else:
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status = await apply_report_to_settlement(settlement, report, machine)
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logger.info(
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f"spirekeeper: report_dispense stored id={stored.id} machine={machine.id} "
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f"txid={report.txid} confirmed={report.dispense_confirmed} → {status}"
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)
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return {"txid": report.txid, "received": True, "settlement_status": status}
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async def adopt_unlinked_report(
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settlement: DcaSettlement, machine: Machine, report_row: DispenseReport
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) -> str:
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"""`_handle_payment` found a report that arrived before the payment: link
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it and apply the same transition the live handler would have."""
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import json as _json
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await link_dispense_reports_to_settlement(
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machine.id, report_row.txid, settlement.id
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)
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report = DispenseReportIn(
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txid=report_row.txid,
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payment_hash=report_row.payment_hash,
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dispense_confirmed=report_row.dispense_confirmed,
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error=report_row.error,
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error_code=report_row.error_code,
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raw_code=report_row.raw_code,
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error_class=report_row.error_class,
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fiat_cents=report_row.fiat_cents,
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currency=report_row.currency,
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bills=_json.loads(report_row.bills_json or "[]"),
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cassettes=_json.loads(report_row.cassettes_json or "[]"),
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counts_uncertain=report_row.counts_uncertain,
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remediates_txid=report_row.remediates_txid,
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at=int(report_row.reported_at.timestamp()),
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)
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logger.info(
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f"spirekeeper: adopting early dispense report {report_row.id} for "
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f"settlement {settlement.id} (report preceded the payment)"
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)
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return await apply_report_to_settlement(settlement, report, machine)
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def register_dispense_report_rpc() -> None:
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"""Register `report_dispense` with the lnbits nostr transport. Soft-fails
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if the transport doesn't expose `register_rpc` (older lnbits) — then
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cash-out settlements wait in awaiting_dispense and surface on the
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worklist as dispense_unreported, which is the honest state."""
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try:
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from lnbits.core.services.nostr_transport.dispatcher import ( # type: ignore
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AUTH_ACCOUNT,
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register_rpc,
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)
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except ImportError:
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logger.warning(
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"spirekeeper: nostr-transport register_rpc unavailable; "
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"'report_dispense' not registered (ADR-005 capture disabled — "
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"cash-out settlements will sit in awaiting_dispense)"
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)
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return
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register_rpc(_RPC_NAME, handle_report_dispense, AUTH_ACCOUNT)
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logger.info("spirekeeper: registered nostr-transport RPC 'report_dispense'")
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