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use serde_derive::{Deserialize, Serialize};
use std::{
fs::{create_dir_all, File},
io::{self, Write},
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,
}
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 = "http://127.0.0.1:8899".to_string();
let websocket_url = "".to_string();
Self {
json_rpc_url,
websocket_url,
keypair_path,
}
}
}
impl Config {
pub fn load(config_file: &str) -> Result<Self, io::Error> {
let file = File::open(config_file.to_string())?;
let config = serde_yaml::from_reader(file)
.map_err(|err| io::Error::new(io::ErrorKind::Other, format!("{:?}", err)))?;
Ok(config)
}
pub fn save(&self, config_file: &str) -> Result<(), io::Error> {
let serialized = serde_yaml::to_string(self)
.map_err(|err| io::Error::new(io::ErrorKind::Other, format!("{:?}", err)))?;
if let Some(outdir) = Path::new(&config_file).parent() {
create_dir_all(outdir)?;
}
let mut file = File::create(config_file)?;
file.write_all(&serialized.into_bytes())?;
Ok(())
}
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");
let ws_port = match json_rpc_url.port() {
Some(port) => port + 1,
None => {
if is_secure {
8901
} else {
8900
}
}
};
ws_url.set_port(Some(ws_port)).expect("unable to set port");
ws_url.to_string()
}
}