use std::path::PathBuf;
use brk_error::{Error, Result};
use brk_rpc::{Auth, Client};
pub struct Args {
bitcoindir: Option<PathBuf>,
rpcconnect: Option<String>,
rpcport: Option<u16>,
rpccookiefile: Option<PathBuf>,
rpcuser: Option<String>,
rpcpassword: Option<String>,
}
impl Args {
pub fn parse(raw: Vec<String>) -> Result<Self> {
let mut bitcoindir = None;
let mut rpcconnect = None;
let mut rpcport = None;
let mut rpccookiefile = None;
let mut rpcuser = None;
let mut rpcpassword = None;
let mut iter = raw.into_iter();
while let Some(a) = iter.next() {
let rest = a
.strip_prefix("--")
.ok_or_else(|| Error::Parse(format!("unexpected arg: '{a}'")))?;
let (key, value) = match rest.split_once('=') {
Some((k, v)) => (k.to_string(), v.to_string()),
None => (
rest.to_string(),
iter.next()
.ok_or_else(|| Error::Parse(format!("--{rest} requires a value")))?,
),
};
match key.as_str() {
"bitcoindir" => bitcoindir = Some(PathBuf::from(value)),
"rpcconnect" => rpcconnect = Some(value),
"rpcport" => {
rpcport = Some(value.parse().map_err(|_| {
Error::Parse(format!("--rpcport: '{value}' is not a valid port"))
})?);
}
"rpccookiefile" => rpccookiefile = Some(PathBuf::from(value)),
"rpcuser" => rpcuser = Some(value),
"rpcpassword" => rpcpassword = Some(value),
other => return Err(Error::Parse(format!("unknown flag --{other}"))),
}
}
Ok(Self {
bitcoindir,
rpcconnect,
rpcport,
rpccookiefile,
rpcuser,
rpcpassword,
})
}
pub fn rpc(&self) -> Result<Client> {
let host = self.rpcconnect.as_deref().unwrap_or("localhost");
let port = self.rpcport.unwrap_or(8332);
let url = format!("http://{host}:{port}");
let bitcoin_dir = self
.bitcoindir
.clone()
.unwrap_or_else(Client::default_bitcoin_path);
let cookie = self
.rpccookiefile
.clone()
.unwrap_or_else(|| bitcoin_dir.join(".cookie"));
let auth = if cookie.is_file() {
Auth::CookieFile(cookie)
} else if let (Some(u), Some(p)) = (self.rpcuser.as_deref(), self.rpcpassword.as_deref()) {
Auth::UserPass(u.to_string(), p.to_string())
} else {
return Err(Error::Parse(
"no RPC auth: cookie file missing and --rpcuser/--rpcpassword not set".into(),
));
};
Client::new(&url, auth)
}
}