trustchain_cli/
config.rs

1//! Core configuration types and utilities.
2use lazy_static::lazy_static;
3use serde::{Deserialize, Serialize};
4use std::fs;
5use toml;
6use trustchain_core::TRUSTCHAIN_CONFIG;
7use trustchain_ion::Endpoint;
8
9lazy_static! {
10    /// Lazy static reference to cli configuration loaded from `trustchain_config.toml`.
11    pub static ref CLI_CONFIG: CLIConfig = parse_toml(
12        &fs::read_to_string(std::env::var(TRUSTCHAIN_CONFIG).unwrap().as_str())
13        .expect("Error reading trustchain_config.toml"));
14}
15
16/// Parses and returns cli configuration.
17fn parse_toml(toml_str: &str) -> CLIConfig {
18    toml::from_str::<Config>(toml_str)
19        .expect("Error parsing trustchain_config.toml")
20        .cli
21}
22
23/// Gets `trustchain-core` configuration variables.
24pub fn cli_config() -> &'static CLI_CONFIG {
25    &CLI_CONFIG
26}
27
28/// Configuration variables for `trustchain-cli` crate.
29#[derive(Serialize, Deserialize, PartialEq, Debug)]
30pub struct CLIConfig {
31    /// Root event unix time for first Trustchain root on testnet.
32    pub root_event_time: u32,
33    pub ion_endpoint: Endpoint,
34}
35
36/// Wrapper struct for parsing the `cli` table.
37#[derive(Serialize, Deserialize, PartialEq, Debug)]
38struct Config {
39    /// CLI configuration data.
40    cli: CLIConfig,
41}
42
43#[cfg(test)]
44mod tests {
45    use super::*;
46
47    #[test]
48    fn test_deserialize() {
49        let config_string = r#"
50        [cli]
51        root_event_time = 1666971942
52        ion_endpoint.host = "http://127.0.0.1"
53        ion_endpoint.port = 3000
54
55        [non_core]
56        key = "value"
57        "#;
58
59        let config: CLIConfig = parse_toml(config_string);
60
61        assert_eq!(
62            config,
63            CLIConfig {
64                root_event_time: 1666971942,
65                ion_endpoint: Endpoint::new("http://127.0.0.1".to_string(), 3000)
66            }
67        );
68    }
69}
trustchain_cli/config.rs

trustchain_cli/
config.rs
