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Do not consider transfer proof sent until it's ack'd

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This commit is contained in:
Franck Royer 2021-01-29 15:17:43 +11:00
parent b968c98805
commit f9f17b0e23
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GPG Key ID: A82ED75A8DFC50A4
3 changed files with 18 additions and 5 deletions
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4
swap/src/protocol/alice.rs
View File

@ -236,7 +236,7 @@ pub enum OutEvent {
msg: Box<bob::Message2>,
bob_peer_id: PeerId,
},
TransferProof,
TransferProofAcknowledged,
EncryptedSignature(EncryptedSignature),
}
@ -289,7 +289,7 @@ impl From<message2::OutEvent> for OutEvent {
impl From<transfer_proof::OutEvent> for OutEvent {
fn from(event: transfer_proof::OutEvent) -> Self {
match event {
transfer_proof::OutEvent::Msg => OutEvent::TransferProof,
transfer_proof::OutEvent::Acknowledged => OutEvent::TransferProofAcknowledged,
}
}
}

15
swap/src/protocol/alice/event_loop.rs
View File

@ -45,6 +45,7 @@ pub struct EventLoopHandle {
send_message0: Sender<(ResponseChannel<AliceToBob>, alice::Message0)>,
send_message1: Sender<(ResponseChannel<AliceToBob>, alice::Message1)>,
send_transfer_proof: Sender<(PeerId, TransferProof)>,
recv_transfer_proof_ack: Receiver<()>,
}
impl EventLoopHandle {
@ -124,6 +125,11 @@ impl EventLoopHandle {
pub async fn send_transfer_proof(&mut self, bob: PeerId, msg: TransferProof) -> Result<()> {
let _ = self.send_transfer_proof.send((bob, msg)).await?;
self.recv_transfer_proof_ack
.recv()
.await
.ok_or_else(|| anyhow!("Failed to receive transfer proof ack from Bob"))?;
Ok(())
}
}
@ -141,6 +147,7 @@ pub struct EventLoop {
send_message0: Receiver<(ResponseChannel<AliceToBob>, alice::Message0)>,
send_message1: Receiver<(ResponseChannel<AliceToBob>, alice::Message1)>,
send_transfer_proof: Receiver<(PeerId, TransferProof)>,
recv_transfer_proof_ack: Sender<()>,
}
impl EventLoop {
@ -169,6 +176,7 @@ impl EventLoop {
let send_message0 = Channels::new();
let send_message1 = Channels::new();
let send_transfer_proof = Channels::new();
let recv_transfer_proof_ack = Channels::new();
let driver = EventLoop {
swarm,
@ -182,6 +190,7 @@ impl EventLoop {
send_message0: send_message0.receiver,
send_message1: send_message1.receiver,
send_transfer_proof: send_transfer_proof.receiver,
recv_transfer_proof_ack: recv_transfer_proof_ack.sender,
};
let handle = EventLoopHandle {
@ -195,6 +204,7 @@ impl EventLoop {
send_message0: send_message0.sender,
send_message1: send_message1.sender,
send_transfer_proof: send_transfer_proof.sender,
recv_transfer_proof_ack: recv_transfer_proof_ack.receiver,
};
Ok((driver, handle))
@ -217,7 +227,10 @@ impl EventLoop {
OutEvent::Message2 { msg, bob_peer_id : _} => {
let _ = self.recv_message2.send(*msg).await;
}
OutEvent::TransferProof => trace!("Bob ack'd receiving the transfer proof"),
OutEvent::TransferProofAcknowledged => {
trace!("Bob acknowledged transfer proof");
let _ = self.recv_transfer_proof_ack.send(()).await;
}
OutEvent::EncryptedSignature(msg) => {
let _ = self.recv_encrypted_signature.send(msg).await;
}

4
swap/src/protocol/alice/transfer_proof.rs
View File

@ -25,7 +25,7 @@ pub struct TransferProof {
#[derive(Debug, Copy, Clone)]
pub enum OutEvent {
Msg,
Acknowledged,
}
/// A `NetworkBehaviour` that represents sending the Monero transfer proof to
@ -88,7 +88,7 @@ impl NetworkBehaviourEventProcess<RequestResponseEvent<Request, Response>> for B
..
} => {
if let Response::TransferProof = response {
self.events.push_back(OutEvent::Msg);
self.events.push_back(OutEvent::Acknowledged);
}
}
RequestResponseEvent::InboundFailure { error, .. } => {