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89 lines
2.9 KiB
89 lines
2.9 KiB
use crate::network::json_pull_codec::JsonPullCodec;
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use crate::{asb, bitcoin, cli};
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use libp2p::core::ProtocolName;
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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::PeerId;
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use serde::{Deserialize, Serialize};
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const PROTOCOL: &str = "/comit/xmr/btc/bid-quote/1.0.0";
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type OutEvent = RequestResponseEvent<(), BidQuote>;
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type Message = RequestResponseMessage<(), BidQuote>;
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pub type Behaviour = RequestResponse<JsonPullCodec<BidQuoteProtocol, BidQuote>>;
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#[derive(Debug, Clone, Copy, Default)]
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pub struct BidQuoteProtocol;
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impl ProtocolName for BidQuoteProtocol {
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fn protocol_name(&self) -> &[u8] {
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PROTOCOL.as_bytes()
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}
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}
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/// Represents a quote for buying XMR.
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#[derive(Serialize, Deserialize, Debug, Clone)]
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pub struct BidQuote {
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/// The price at which the maker is willing to buy at.
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#[serde(with = "::bitcoin::util::amount::serde::as_sat")]
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pub price: bitcoin::Amount,
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/// The minimum quantity the maker is willing to buy.
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#[serde(with = "::bitcoin::util::amount::serde::as_sat")]
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pub min_quantity: bitcoin::Amount,
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/// The maximum quantity the maker is willing to buy.
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#[serde(with = "::bitcoin::util::amount::serde::as_sat")]
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pub max_quantity: bitcoin::Amount,
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}
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/// Constructs a new instance of the `quote` behaviour to be used by the ASB.
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///
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/// The ASB is always listening and only supports inbound connections, i.e.
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/// handing out quotes.
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pub fn asb() -> Behaviour {
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Behaviour::new(
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JsonPullCodec::default(),
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vec![(BidQuoteProtocol, ProtocolSupport::Inbound)],
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RequestResponseConfig::default(),
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)
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}
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/// Constructs a new instance of the `quote` behaviour to be used by the CLI.
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///
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/// The CLI is always dialing and only supports outbound connections, i.e.
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/// requesting quotes.
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pub fn cli() -> Behaviour {
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Behaviour::new(
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JsonPullCodec::default(),
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vec![(BidQuoteProtocol, ProtocolSupport::Outbound)],
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RequestResponseConfig::default(),
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)
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}
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impl From<(PeerId, Message)> for asb::OutEvent {
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fn from((peer, message): (PeerId, Message)) -> Self {
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match message {
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Message::Request { channel, .. } => Self::QuoteRequested { channel, peer },
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Message::Response { .. } => Self::unexpected_response(peer),
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}
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}
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}
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crate::impl_from_rr_event!(OutEvent, asb::OutEvent, PROTOCOL);
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impl From<(PeerId, Message)> for cli::OutEvent {
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fn from((peer, message): (PeerId, Message)) -> Self {
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match message {
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Message::Request { .. } => Self::unexpected_request(peer),
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Message::Response {
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response,
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request_id,
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} => Self::QuoteReceived {
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id: request_id,
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response,
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},
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}
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}
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}
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crate::impl_from_rr_event!(OutEvent, cli::OutEvent, PROTOCOL);
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