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33 lines
1.2 KiB
Rust
33 lines
1.2 KiB
Rust
use crate::network::tor_transport::TorDialOnlyTransport;
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use crate::network::transport::authenticate_and_multiplex;
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use anyhow::Result;
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use libp2p::core::muxing::StreamMuxerBox;
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use libp2p::core::transport::{Boxed, OptionalTransport};
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use libp2p::dns::TokioDnsConfig;
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use libp2p::tcp::TokioTcpConfig;
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use libp2p::{identity, PeerId, Transport};
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/// Creates the libp2p transport for the swap CLI.
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///
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/// The CLI's transport needs the following capabilities:
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/// - Establish TCP connections
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/// - Resolve DNS entries
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/// - Dial onion-addresses through a running Tor daemon by connecting to the
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/// socks5 port. If the port is not given, we will fall back to the regular
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/// TCP transport.
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pub fn new(
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identity: &identity::Keypair,
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maybe_tor_socks5_port: Option<u16>,
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) -> Result<Boxed<(PeerId, StreamMuxerBox)>> {
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let tcp = TokioTcpConfig::new().nodelay(true);
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let tcp_with_dns = TokioDnsConfig::system(tcp)?;
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let maybe_tor_transport = match maybe_tor_socks5_port {
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Some(port) => OptionalTransport::some(TorDialOnlyTransport::new(port)),
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None => OptionalTransport::none(),
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};
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let transport = maybe_tor_transport.or_transport(tcp_with_dns).boxed();
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authenticate_and_multiplex(transport, identity)
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}
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