Jędrzej Stuczyński
92 lines
3.2 KiB
Rust
92 lines
3.2 KiB
Rust
// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use nym_sdk::mixnet;
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use nym_sdk::mixnet::MixnetMessageSender;
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use nym_topology::mix::LegacyMixLayer;
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use nym_topology::{mix, NymTopology};
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use std::collections::BTreeMap;
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#[tokio::main]
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async fn main() {
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nym_bin_common::logging::setup_logging();
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// Passing no config makes the client fire up an ephemeral session and figure shit out on its own
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let mut client = mixnet::MixnetClient::connect_new().await.unwrap();
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let starting_topology = client.read_current_topology().await.unwrap();
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// but we don't like our default topology, we want to use only those very specific, hardcoded, nodes:
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let mut mixnodes = BTreeMap::new();
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mixnodes.insert(
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1,
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vec![mix::LegacyNode {
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mix_id: 63,
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host: "172.105.92.48".parse().unwrap(),
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mix_host: "172.105.92.48:1789".parse().unwrap(),
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identity_key: "GLdR2NRVZBiCoCbv4fNqt9wUJZAnNjGXHkx3TjVAUzrK"
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.parse()
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.unwrap(),
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sphinx_key: "CBmYewWf43iarBq349KhbfYMc9ys2ebXWd4Vp4CLQ5Rq"
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.parse()
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.unwrap(),
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layer: LegacyMixLayer::One,
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version: "1.1.0".into(),
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}],
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);
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mixnodes.insert(
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2,
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vec![mix::LegacyNode {
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mix_id: 23,
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host: "178.79.143.65".parse().unwrap(),
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mix_host: "178.79.143.65:1789".parse().unwrap(),
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identity_key: "4Yr4qmEHd9sgsuQ83191FR2hD88RfsbMmB4tzhhZWriz"
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.parse()
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.unwrap(),
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sphinx_key: "8ndjk5oZ6HxUZNScLJJ7hk39XtUqGexdKgW7hSX6kpWG"
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.parse()
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.unwrap(),
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layer: LegacyMixLayer::Two,
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version: "1.1.0".into(),
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}],
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);
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mixnodes.insert(
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3,
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vec![mix::LegacyNode {
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mix_id: 66,
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host: "139.162.247.97".parse().unwrap(),
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mix_host: "139.162.247.97:1789".parse().unwrap(),
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identity_key: "66UngapebhJRni3Nj52EW1qcNsWYiuonjkWJzHFsmyYY"
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.parse()
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.unwrap(),
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sphinx_key: "7KyZh8Z8KxuVunqytAJ2eXFuZkCS7BLTZSzujHJZsGa2"
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.parse()
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.unwrap(),
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layer: LegacyMixLayer::Three,
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version: "1.1.0".into(),
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}],
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);
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// but we like the available gateways, so keep using them!
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// (we like them because the author of this example is too lazy to use the same hardcoded gateway
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// during client initialisation to make sure we are able to send to ourselves : ) )
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let custom_topology = NymTopology::new(mixnodes, starting_topology.gateways().to_vec());
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client.manually_overwrite_topology(custom_topology).await;
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// and everything we send now should only ever go via those nodes
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let our_address = client.nym_address();
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println!("Our client nym address is: {our_address}");
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// Send a message through the mixnet to ourselves
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client
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.send_plain_message(*our_address, "hello there")
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.await
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.unwrap();
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println!("Waiting for message (ctrl-c to exit)");
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client
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.on_messages(|msg| println!("Received: {}", String::from_utf8_lossy(&msg.message)))
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.await;
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}
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