zebra-network 5.0.1

Networking code for Zebra
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111

//! Fixed test vectors for zebra-network configuration.

use static_assertions::const_assert;
use zebra_chain::parameters::testnet::{self, ConfiguredFundingStreams};

use crate::{
    constants::{INBOUND_PEER_LIMIT_MULTIPLIER, OUTBOUND_PEER_LIMIT_MULTIPLIER},
    Config,
};

#[test]
fn parse_config_listen_addr() {
    let _init_guard = zebra_test::init();

    let fixtures = vec![
        ("listen_addr = '0.0.0.0'", "0.0.0.0:8233"),
        ("listen_addr = '0.0.0.0:9999'", "0.0.0.0:9999"),
        (
            "listen_addr = '0.0.0.0'\nnetwork = 'Testnet'",
            "0.0.0.0:18233",
        ),
        (
            "listen_addr = '0.0.0.0:8233'\nnetwork = 'Testnet'",
            "0.0.0.0:8233",
        ),
        ("listen_addr = '[::]'", "[::]:8233"),
        ("listen_addr = '[::]:9999'", "[::]:9999"),
        ("listen_addr = '[::]'\nnetwork = 'Testnet'", "[::]:18233"),
        (
            "listen_addr = '[::]:8233'\nnetwork = 'Testnet'",
            "[::]:8233",
        ),
        ("listen_addr = '[::1]:8233'", "[::1]:8233"),
        ("listen_addr = '[2001:db8::1]:8233'", "[2001:db8::1]:8233"),
    ];

    for (config, value) in fixtures {
        let config: Config = toml::from_str(config).unwrap();
        assert_eq!(config.listen_addr.to_string(), value);
    }
}

/// Make sure the peer connection limits are consistent with each other.
#[test]
fn ensure_peer_connection_limits_consistent() {
    let _init_guard = zebra_test::init();

    // Zebra should allow more inbound connections, to avoid connection exhaustion
    const_assert!(INBOUND_PEER_LIMIT_MULTIPLIER > OUTBOUND_PEER_LIMIT_MULTIPLIER);

    let config = Config::default();

    assert!(
        config.peerset_inbound_connection_limit() - config.peerset_outbound_connection_limit()
            >= 50,
        "default config should allow more inbound connections, to avoid connection exhaustion",
    );
}

#[test]
fn testnet_params_serialization_roundtrip() {
    let _init_guard = zebra_test::init();

    let config = Config {
        network: testnet::Parameters::build()
            .with_disable_pow(true)
            .to_network()
            .expect("failed to build configured network"),
        initial_testnet_peers: [].into(),
        ..Config::default()
    };

    let serialized = toml::to_string(&config).unwrap();
    let deserialized: Config = toml::from_str(&serialized).unwrap();

    assert_eq!(config, deserialized);
}

#[test]
fn default_config_uses_ipv6() {
    let _init_guard = zebra_test::init();
    let config = Config::default();

    assert_eq!(config.listen_addr.to_string(), "[::]:8233");
    assert!(config.listen_addr.is_ipv6());
}

#[test]
fn funding_streams_serialization_roundtrip() {
    let _init_guard = zebra_test::init();

    let fs = testnet::Parameters::default()
        .funding_streams()
        .iter()
        .map(ConfiguredFundingStreams::from)
        .collect();

    let config = Config {
        network: testnet::Parameters::build()
            .with_funding_streams(fs)
            .to_network()
            .expect("failed to build configured network"),
        initial_testnet_peers: [].into(),
        ..Config::default()
    };

    let serialized = toml::to_string(&config).unwrap();
    let deserialized: Config = toml::from_str(&serialized).unwrap();

    assert_eq!(config, deserialized);
}