You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
3.0 KiB
Rust
98 lines
3.0 KiB
Rust
use crate::{
|
|
network::request_response::BUF_SIZE,
|
|
protocol::{
|
|
alice,
|
|
bob::{State0, State2},
|
|
},
|
|
};
|
|
use anyhow::{Context, Error, Result};
|
|
use libp2p::PeerId;
|
|
use libp2p_async_await::BehaviourOutEvent;
|
|
use std::sync::Arc;
|
|
|
|
#[derive(Debug)]
|
|
pub enum OutEvent {
|
|
Done(Result<State2>),
|
|
}
|
|
|
|
impl From<BehaviourOutEvent<(), State2, anyhow::Error>> for OutEvent {
|
|
fn from(event: BehaviourOutEvent<(), State2, Error>) -> Self {
|
|
match event {
|
|
BehaviourOutEvent::Outbound(_, Ok(State2)) => OutEvent::Done(Ok(State2)),
|
|
BehaviourOutEvent::Outbound(_, Err(e)) => OutEvent::Done(Err(e)),
|
|
BehaviourOutEvent::Inbound(..) => unreachable!("Bob only supports outbound"),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(libp2p::NetworkBehaviour)]
|
|
#[behaviour(out_event = "OutEvent", event_process = false)]
|
|
pub struct Behaviour {
|
|
inner: libp2p_async_await::Behaviour<(), State2, anyhow::Error>,
|
|
}
|
|
|
|
impl Default for Behaviour {
|
|
fn default() -> Self {
|
|
Self {
|
|
inner: libp2p_async_await::Behaviour::new(b"/execution_setup/1.0.0"),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Behaviour {
|
|
pub fn run(
|
|
&mut self,
|
|
alice: PeerId,
|
|
state0: State0,
|
|
bitcoin_wallet: Arc<crate::bitcoin::Wallet>,
|
|
) {
|
|
self.inner
|
|
.do_protocol_dialer(alice, move |mut substream| async move {
|
|
let bob_message0 = state0.next_message();
|
|
|
|
substream
|
|
.write_message(
|
|
&serde_cbor::to_vec(&bob_message0)
|
|
.context("failed to serialize message0")?,
|
|
)
|
|
.await?;
|
|
|
|
let alice_message0 = serde_cbor::from_slice::<alice::Message0>(
|
|
&substream.read_message(BUF_SIZE).await?,
|
|
)
|
|
.context("failed to deserialize message0")?;
|
|
|
|
let state1 = state0
|
|
.receive(bitcoin_wallet.as_ref(), alice_message0)
|
|
.await?;
|
|
{
|
|
let bob_message1 = state1.next_message();
|
|
substream
|
|
.write_message(
|
|
&serde_cbor::to_vec(&bob_message1)
|
|
.context("failed to serialize Message1")?,
|
|
)
|
|
.await?;
|
|
}
|
|
|
|
let alice_message1 = serde_cbor::from_slice::<alice::Message1>(
|
|
&substream.read_message(BUF_SIZE).await?,
|
|
)
|
|
.context("failed to deserialize message1")?;
|
|
let state2 = state1.receive(alice_message1)?;
|
|
|
|
{
|
|
let bob_message2 = state2.next_message();
|
|
substream
|
|
.write_message(
|
|
&serde_cbor::to_vec(&bob_message2)
|
|
.context("failed to serialize Message2")?,
|
|
)
|
|
.await?;
|
|
}
|
|
|
|
Ok(state2)
|
|
})
|
|
}
|
|
}
|