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83 lines
2.7 KiB
83 lines
2.7 KiB
use crate::monero;
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use crate::network::request_response::{CborCodec, TransferProofProtocol, TIMEOUT};
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use anyhow::{anyhow, Error};
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use libp2p::request_response::{
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ProtocolSupport, RequestResponse, RequestResponseConfig, RequestResponseEvent,
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RequestResponseMessage,
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};
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use libp2p::{NetworkBehaviour, PeerId};
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use serde::{Deserialize, Serialize};
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use std::time::Duration;
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct TransferProof {
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pub tx_lock_proof: monero::TransferProof,
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}
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#[derive(Debug)]
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pub enum OutEvent {
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Acknowledged(PeerId),
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Failure { peer: PeerId, error: Error },
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}
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/// A `NetworkBehaviour` that represents sending the Monero transfer proof to
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/// Bob.
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#[derive(NetworkBehaviour)]
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#[behaviour(out_event = "OutEvent", event_process = false)]
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#[allow(missing_debug_implementations)]
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pub struct Behaviour {
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rr: RequestResponse<CborCodec<TransferProofProtocol, TransferProof, ()>>,
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}
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impl Behaviour {
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pub fn send(&mut self, bob: PeerId, msg: TransferProof) {
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let _id = self.rr.send_request(&bob, msg);
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}
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}
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impl Default for Behaviour {
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fn default() -> Self {
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let timeout = Duration::from_secs(TIMEOUT);
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let mut config = RequestResponseConfig::default();
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config.set_request_timeout(timeout);
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Self {
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rr: RequestResponse::new(
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CborCodec::default(),
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vec![(TransferProofProtocol, ProtocolSupport::Outbound)],
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config,
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),
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}
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}
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}
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impl From<RequestResponseEvent<TransferProof, ()>> for OutEvent {
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fn from(event: RequestResponseEvent<TransferProof, ()>) -> Self {
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match event {
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RequestResponseEvent::Message {
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message: RequestResponseMessage::Request { .. },
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peer,
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} => OutEvent::Failure {
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peer,
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error: anyhow!("Alice should never get a transfer proof request from Bob"),
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},
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RequestResponseEvent::Message {
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message: RequestResponseMessage::Response { .. },
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peer,
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} => OutEvent::Acknowledged(peer),
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RequestResponseEvent::InboundFailure { error, peer, .. } => OutEvent::Failure {
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peer,
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error: anyhow!("Inbound failure: {:?}", error),
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},
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RequestResponseEvent::OutboundFailure { error, peer, .. } => OutEvent::Failure {
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peer,
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error: anyhow!("Outbound failure: {:?}", error),
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},
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RequestResponseEvent::ResponseSent { peer, .. } => OutEvent::Failure {
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peer,
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error: anyhow!("Alice should not send a response"),
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},
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}
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}
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}
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