FromSwarm::DialFailure is emitted even though dial is successfull?

[binarybaron]

I'm building an application where I have a bunch of different protocols composed into one big Behaviour. Some of my protocols use request-response. I have an event loop that's going through a queue for requests that have to be sent out and responds to the caller (using MPSC channels) with the result (either failure or the response).

I'm listening for a OutboundFailure event. If I receive one I assume the request has failed.

Here's my question: Why is OutboundFailure::DialFailure being thrown even if the connection is successfully established?.

I'm seeing that the dial failed previously using a different transport (dummy transport, and an optional transport that routed over tor) but the last transport it tried (tcp) successfully established an connection.

Is DialFailure being thrown for every attempted dial for every tried transport, even if not all available transports have been tried yet?

Here's a snippet of some of my logging. Of course there's quote a bit of context missing but I think it'll demonstrate my point:

{"timestamp":"2024-11-08T21:31:20.499879Z","level":"DEBUG","fields":{"message":"Network layer initialized","peer_id":"12D3KooWKEV3tzYn9GDHHGuurpKccK7bryP7TqQQXffu8g6dP6rD"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.500731Z","level":"DEBUG","fields":{"message":"Requesting quote"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.501317Z","level":"DEBUG","fields":{"message":"Failed to dial address using libp2p_core::transport::dummy::DummyTransport<(libp2p_identity::peer_id::PeerId, libp2p_core::muxing::boxed::StreamMuxerBox)>","address":"/dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.501674Z","level":"DEBUG","fields":{"message":"Failed to dial address using libp2p_core::transport::optional::OptionalTransport<swap::network::tor_transport::TorDialOnlyTransport>","address":"/dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.502466Z","level":"ERROR","fields":{"message":"Failed to send request-response request to peer","peer":"12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf","request_id":"1","error":"Failed to dial the requested peer","protocol":"/comit/xmr/btc/bid-quote/1.0.0"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.503008Z","level":"ERROR","fields":{"message":"Failed to request quote due to a network error: Failed to dial the requested peer","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.612002Z","level":"DEBUG","fields":{"message":"Connection established","peer":"12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf","endpoint":"Dialer { address: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, role_override: Dialer }","total_peers":"1"},"span":{"name":"Swarm::poll"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},{"name":"Swarm::poll"}]}
{"timestamp":"2024-11-08T21:31:20.612403Z","level":"INFO","fields":{"message":"Connected to Alice","peer_id":"/dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}

[dariusc93]

Hey! FromSwarm::DialFailure is generally emitted when it fails to dial, which could be due to some of the conditions not being met, which may yield an OutboundFailure::DialFailure due to such attempts failing.

rust-libp2p/swarm/src/lib.rs

Lines 451 to 472 in 4192fc3

	let should_dial = match (condition, peer_id) {
	(_, None) => true,
	(PeerCondition::Always, _) => true,
	(PeerCondition::Disconnected, Some(peer_id)) => !self.pool.is_connected(peer_id),
	(PeerCondition::NotDialing, Some(peer_id)) => !self.pool.is_dialing(peer_id),
	(PeerCondition::DisconnectedAndNotDialing, Some(peer_id)) => {
	!self.pool.is_dialing(peer_id) && !self.pool.is_connected(peer_id)
	}
	};
	if !should_dial {
	let e = DialError::DialPeerConditionFalse(condition);
	self.behaviour
	.on_swarm_event(FromSwarm::DialFailure(DialFailure {
	peer_id,
	error: &e,
	connection_id,
	}));
	return Err(e);
	}

By default, it would yield the error if youre attempting to dial a peer that is connected or that has an dial attempt queued.

[binarybaron]

Hey, thank you for the response! I just noticed I didn't make some things clear enough and mentioned a protocol when I was really talking about transport in my original comment. I updated it.

The important thing which is confusing me is that 21ms after an OutboundFailure::DialFailure is thrown, a connection is successfully established. Why could that be? I'm only initiating a single dial. Is it not safe to assume that all tries to dial the peer have failed (all transports) when OutboundFailure::DialFailure is emitted?

# Here it is is failing to dial using 2 of my 3 transports.
# One of which is a DummyTransport. The other one is a `TorDialOnlyTransport` which always fails because I'm not connected. 
# This is to be expected
{"timestamp":"2024-11-08T21:31:20.501317Z","level":"DEBUG","fields":{"message":"Failed to dial address using libp2p_core::transport::dummy::DummyTransport<(libp2p_identity::peer_id::PeerId, libp2p_core::muxing::boxed::StreamMuxerBox)>","address":"/dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.501674Z","level":"DEBUG","fields":{"message":"Failed to dial address using libp2p_core::transport::optional::OptionalTransport<swap::network::tor_transport::TorDialOnlyTransport>","address":"/dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
# Here a request_response::OutboundFailure::DialFailure is thrown and we log this message in the event loop
{"timestamp":"2024-11-08T21:31:20.502466Z","level":"ERROR","fields":{"message":"Failed to send request-response request to peer","peer":"12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf","request_id":"1","error":"Failed to dial the requested peer","protocol":"/comit/xmr/btc/bid-quote/1.0.0"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
{"timestamp":"2024-11-08T21:31:20.503008Z","level":"ERROR","fields":{"message":"Failed to request quote due to a network error: Failed to dial the requested peer","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97"},"span":{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"}]}
# Suddenly a connection is established? 
{"timestamp":"2024-11-08T21:31:20.612002Z","level":"DEBUG","fields":{"message":"Connection established","peer":"12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf","endpoint":"Dialer { address: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, role_override: Dialer }","total_peers":"1"},"span":{"name":"Swarm::poll"},"spans":[{"swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"swap"},{"buy_xmr":"BuyXmrArgs { seller: /dns4/testnet.unstoppableswap.net/tcp/30001/p2p/12D3KooWPRuKhLU14rG4gTEYdz8jrvhKoFBgSd2CQm2vZZVYb8Xf, bitcoin_change_address: None, monero_receive_address: Address { network: Stagenet, addr_type: SubAddress, public_spend: 22f6e4d45c86a8be2810e2fba7484c8d2c8be4f5d91f62cf28fccc36cf5252fa, public_view: ac7434fb2a7bc9672ef30704a8fef4cda5d20153fd41c6cf14a6a322e36cc4d3 } }","method":"buy_xmr","swap_id":"81bc1cb9-b4ca-48a1-8054-82e4a1878c97","name":"buy_xmr"},{"name":"Swarm::poll"}]}

Here's a link to my event_loop for reference.