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#![deny(deprecated, improper_ctypes, non_shorthand_field_patterns, overflowing_literals,
plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
unconditional_recursion, unknown_lints, unused, unused_allocation, unused_attributes,
unused_comparisons, unused_features, unused_parens, while_true)]
#![warn(missing_docs, trivial_casts, trivial_numeric_casts, unused, unused_extern_crates,
unused_import_braces, unused_qualifications, unused_results, variant_size_differences)]
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate error_chain;
extern crate reqwest;
extern crate sha2;
extern crate hmac;
extern crate serde;
#[macro_use]
extern crate serde_derive;
extern crate hex;
extern crate chrono;
mod public;
mod private;
pub mod error;
pub mod types;
use reqwest::Url;
use reqwest::header::Headers;
use serde::Deserialize;
use chrono::Utc;
use error::*;
pub use public::OrderBookType;
lazy_static! {
static ref API_URL: Url = Url::parse("https://bittrex.com/api/v1.1/").unwrap();
}
#[derive(Debug)]
pub struct Client {
inner: reqwest::Client,
api_key: Option<String>,
api_secret: Option<String>,
}
impl Client {
pub fn new() -> Result<Client> {
Ok(Client {
inner: reqwest::Client::new()?,
api_key: None,
api_secret: None,
})
}
pub fn login<K: Into<String>, S: Into<String>>(&mut self, api_key: K, api_secret: S) {
self.api_key = Some(api_key.into());
self.api_secret = Some(api_secret.into());
}
fn append_login(&self, url: &mut Url) {
let api_key = self.api_key.as_ref().unwrap();
let nonce = Utc::now().timestamp();
let _ = url.query_pairs_mut()
.append_pair("apikey", api_key)
.append_pair("nonce", &format!("{}", nonce));
}
fn get_headers(&self, url: &Url) -> Headers {
let mut headers = Headers::new();
let hash = self.hash_uri(url);
headers.set_raw("apisign", hash);
headers
}
fn hash_uri(&self, url: &Url) -> String {
use hmac::{Hmac, Mac};
use sha2::Sha512;
use hex::ToHex;
let api_secret = self.api_secret.as_ref().unwrap();
let mut hmac = Hmac::<Sha512>::new(api_secret.as_bytes());
hmac.input(url.as_str().as_ref());
hmac.result().code().to_hex()
}
}
#[derive(Debug, Clone, Deserialize)]
struct ApiResult<R> {
success: bool,
message: String,
result: Option<R>,
}
impl<R> ApiResult<R>
where
R: for<'r> Deserialize<'r>,
{
fn into_result(self) -> Result<R> {
if self.success {
if let Some(r) = self.result {
Ok(r)
} else {
Err(
ErrorKind::Api(String::from("invalid result in success response")).into(),
)
}
} else {
Err(ErrorKind::Result(self.message).into())
}
}
}