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117 lines
3.1 KiB
117 lines
3.1 KiB
use crate::asb::event_loop::LatestRate;
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use crate::env;
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use crate::network::quote::BidQuote;
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use crate::network::swap_setup::alice;
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use crate::network::swap_setup::alice::WalletSnapshot;
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use crate::network::{encrypted_signature, quote, transfer_proof};
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use crate::protocol::alice::State3;
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use anyhow::{anyhow, Error};
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use libp2p::ping::{Ping, PingEvent};
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use libp2p::request_response::{RequestId, ResponseChannel};
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use libp2p::{NetworkBehaviour, PeerId};
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use uuid::Uuid;
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#[derive(Debug)]
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pub enum OutEvent {
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SwapSetupInitiated {
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send_wallet_snapshot: bmrng::RequestReceiver<bitcoin::Amount, WalletSnapshot>,
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},
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SwapSetupCompleted {
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peer_id: PeerId,
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swap_id: Uuid,
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state3: Box<State3>,
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},
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SwapDeclined {
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peer: PeerId,
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error: alice::Error,
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},
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QuoteRequested {
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channel: ResponseChannel<BidQuote>,
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peer: PeerId,
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},
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TransferProofAcknowledged {
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peer: PeerId,
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id: RequestId,
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},
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EncryptedSignatureReceived {
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msg: Box<encrypted_signature::Request>,
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channel: ResponseChannel<()>,
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peer: PeerId,
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},
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Failure {
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peer: PeerId,
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error: Error,
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},
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/// "Fallback" variant that allows the event mapping code to swallow certain
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/// events that we don't want the caller to deal with.
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Other,
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}
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impl OutEvent {
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pub fn unexpected_request(peer: PeerId) -> OutEvent {
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OutEvent::Failure {
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peer,
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error: anyhow!("Unexpected request received"),
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}
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}
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pub fn unexpected_response(peer: PeerId) -> OutEvent {
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OutEvent::Failure {
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peer,
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error: anyhow!("Unexpected response received"),
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}
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}
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}
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/// A `NetworkBehaviour` that represents an XMR/BTC swap node as Alice.
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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<LR>
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where
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LR: LatestRate + Send + 'static,
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{
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pub quote: quote::Behaviour,
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pub swap_setup: alice::Behaviour<LR>,
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pub transfer_proof: transfer_proof::Behaviour,
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pub encrypted_signature: encrypted_signature::Behaviour,
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/// Ping behaviour that ensures that the underlying network connection is
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/// still alive. If the ping fails a connection close event will be
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/// emitted that is picked up as swarm event.
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ping: Ping,
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}
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impl<LR> Behaviour<LR>
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where
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LR: LatestRate + Send + 'static,
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{
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pub fn new(
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min_buy: bitcoin::Amount,
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max_buy: bitcoin::Amount,
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latest_rate: LR,
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resume_only: bool,
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env_config: env::Config,
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) -> Self {
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Self {
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quote: quote::asb(),
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swap_setup: alice::Behaviour::new(
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min_buy,
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max_buy,
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env_config,
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latest_rate,
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resume_only,
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),
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transfer_proof: transfer_proof::alice(),
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encrypted_signature: encrypted_signature::alice(),
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ping: Ping::default(),
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}
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}
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}
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impl From<PingEvent> for OutEvent {
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fn from(_: PingEvent) -> Self {
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OutEvent::Other
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}
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}
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