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use serde_derive::{Deserialize, Serialize};
use std::{collections::HashMap, io, path::Path};
use url::Url;
lazy_static! {
pub static ref CONFIG_FILE: Option<String> = {
dirs::home_dir().map(|mut path| {
path.extend(&[".config", "solana", "cli", "config.yml"]);
path.to_str().unwrap().to_string()
})
};
}
#[derive(Serialize, Deserialize, Debug, PartialEq)]
pub struct Config {
pub json_rpc_url: String,
pub websocket_url: String,
pub keypair_path: String,
#[serde(default)]
pub address_labels: HashMap<String, String>,
}
impl Default for Config {
fn default() -> Self {
let keypair_path = {
let mut keypair_path = dirs::home_dir().expect("home directory");
keypair_path.extend(&[".config", "solana", "id.json"]);
keypair_path.to_str().unwrap().to_string()
};
let json_rpc_url = "https://api.mainnet-beta.solana.com".to_string();
let websocket_url = "".to_string();
let mut address_labels = HashMap::new();
address_labels.insert(
"11111111111111111111111111111111".to_string(),
"System Program".to_string(),
);
Self {
json_rpc_url,
websocket_url,
keypair_path,
address_labels,
}
}
}
impl Config {
pub fn load(config_file: &str) -> Result<Self, io::Error> {
crate::load_config_file(config_file)
}
pub fn save(&self, config_file: &str) -> Result<(), io::Error> {
crate::save_config_file(self, config_file)
}
pub fn compute_websocket_url(json_rpc_url: &str) -> String {
let json_rpc_url: Option<Url> = json_rpc_url.parse().ok();
if json_rpc_url.is_none() {
return "".to_string();
}
let json_rpc_url = json_rpc_url.unwrap();
let is_secure = json_rpc_url.scheme().to_ascii_lowercase() == "https";
let mut ws_url = json_rpc_url.clone();
ws_url
.set_scheme(if is_secure { "wss" } else { "ws" })
.expect("unable to set scheme");
if let Some(port) = json_rpc_url.port() {
ws_url.set_port(Some(port + 1)).expect("unable to set port");
}
ws_url.to_string()
}
pub fn compute_rpc_banks_url(json_rpc_url: &str) -> String {
let json_rpc_url: Option<Url> = json_rpc_url.parse().ok();
if json_rpc_url.is_none() {
return "".to_string();
}
let mut url = json_rpc_url.unwrap();
let port = url.port_or_known_default().unwrap_or(80);
url.set_port(Some(port + 2)).expect("unable to set port");
url.to_string()
}
pub fn import_address_labels<P>(&mut self, filename: P) -> Result<(), io::Error>
where
P: AsRef<Path>,
{
let imports: HashMap<String, String> = crate::load_config_file(filename)?;
for (address, label) in imports.into_iter() {
self.address_labels.insert(address, label);
}
Ok(())
}
pub fn export_address_labels<P>(&self, filename: P) -> Result<(), io::Error>
where
P: AsRef<Path>,
{
crate::save_config_file(&self.address_labels, filename)
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn compute_websocket_url() {
assert_eq!(
Config::compute_websocket_url(&"http://devnet.solana.com"),
"ws://devnet.solana.com/".to_string()
);
assert_eq!(
Config::compute_websocket_url(&"https://devnet.solana.com"),
"wss://devnet.solana.com/".to_string()
);
assert_eq!(
Config::compute_websocket_url(&"http://example.com:8899"),
"ws://example.com:8900/".to_string()
);
assert_eq!(
Config::compute_websocket_url(&"https://example.com:1234"),
"wss://example.com:1235/".to_string()
);
assert_eq!(Config::compute_websocket_url(&"garbage"), String::new());
}
#[test]
fn compute_rpc_banks_url() {
assert_eq!(
Config::compute_rpc_banks_url(&"http://devnet.solana.com"),
"http://devnet.solana.com:82/".to_string()
);
assert_eq!(
Config::compute_rpc_banks_url(&"https://devnet.solana.com"),
"https://devnet.solana.com:445/".to_string()
);
assert_eq!(
Config::compute_rpc_banks_url(&"http://example.com:8899"),
"http://example.com:8901/".to_string()
);
assert_eq!(
Config::compute_rpc_banks_url(&"https://example.com:1234"),
"https://example.com:1236/".to_string()
);
assert_eq!(Config::compute_rpc_banks_url(&"garbage"), String::new());
}
}