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swaps: nostr: add sanity checks for replies

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SomberNight
2025-08-19 16:38:27 +00:00
parent da9b921f57
commit 93e0e8a7b8
1 changed files with 10 additions and 7 deletions
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17
electrum/submarine_swaps.py
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@@ -1480,7 +1480,7 @@ class NostrTransport(SwapServerTransport):
self.private_key = keypair.privkey
self.nostr_private_key = to_nip19('nsec', keypair.privkey.hex())
self.nostr_pubkey = keypair.pubkey.hex()[2:]
self.dm_replies = {} # type: Dict[str, asyncio.Future[dict]]
self.dm_replies = {} # type: Dict[tuple[str, str], asyncio.Future[dict]]
self.ssl_context = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH, cafile=ca_path)
self.relay_manager = None # type: Optional[aionostr.Manager]
self.taskgroup = OldTaskGroup()
@@ -1636,11 +1636,12 @@ class NostrTransport(SwapServerTransport):
self.logger.debug(f"swapserver req: method: {method} relays: {self.relays}")
request_data['method'] = method
server_npub = self.config.SWAPSERVER_NPUB
event_id = await self.send_direct_message(server_npub, json.dumps(request_data), retries=1)
server_pubkey = aionostr.util.from_nip19(server_npub)['object'].hex()
event_id = await self.send_direct_message(server_pubkey, json.dumps(request_data), retries=1)
if not event_id:
raise SwapServerError()
self.dm_replies[event_id] = f = asyncio.Future()
response = await f
self.dm_replies[(server_pubkey, event_id)] = fut = asyncio.Future()
response = await fut
assert isinstance(response, dict)
if 'error' in response:
self.logger.warning(f"error from swap server [DO NOT TRUST THIS MESSAGE]: {response['error']}")
@@ -1767,9 +1768,11 @@ class NostrTransport(SwapServerTransport):
content['event_id'] = event.id
content['event_pubkey'] = event.pubkey
if not self.sm.is_server and 'reply_to' in content:
reply_to = content['reply_to']
if reply_to in self.dm_replies:
self.dm_replies[reply_to].set_result(content)
prev_event_id = content['reply_to']
server_pubkey = event.pubkey
fut = self.dm_replies.get((server_pubkey, prev_event_id))
if fut:
fut.set_result(content)
elif self.sm.is_server and 'method' in content:
try:
await self._handle_request(content)