raiden-network-transport 0.1.0

Raiden network transport layer
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

use std::collections::HashMap;

use reqwest;

use super::constants::{
	MATRIX_DEFAULT_DEVELOPMENT_SERVERS_LIST_URL,
	MATRIX_DEFAULT_PRODUCTION_SERVERS_LIST_URL,
};
use crate::types::EnvironmentType;

/// Based on the environment type, retrieve the list of servers that can be used.
pub async fn get_default_matrix_servers(
	environment_type: EnvironmentType,
) -> reqwest::Result<Vec<String>> {
	let url = match environment_type {
		EnvironmentType::Production => MATRIX_DEFAULT_PRODUCTION_SERVERS_LIST_URL,
		EnvironmentType::Development => MATRIX_DEFAULT_DEVELOPMENT_SERVERS_LIST_URL,
	};
	let resp = reqwest::get(url).await?.json::<HashMap<String, Vec<String>>>().await?;

	let servers = resp.get("active_servers").cloned().unwrap_or(vec![]);
	Ok(servers
		.iter()
		.map(|s| if s.starts_with("http") { s.clone() } else { format!("https://{}", s) })
		.collect())
}

/// Returns which best server to use from the list provided.
pub fn select_best_server(servers: Vec<String>) -> String {
	servers.first().unwrap_or(&"".to_owned()).clone()
}