743 lines
25 KiB
Rust
743 lines
25 KiB
Rust
use std::convert::{TryFrom, TryInto};
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use std::fmt::{Debug, Formatter};
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use std::str::FromStr;
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use std::sync::Arc;
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use async_trait::async_trait;
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use bitfinex::api::Bitfinex;
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use bitfinex::book::BookPrecision;
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use bitfinex::orders::{CancelOrderForm, OrderMeta};
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use bitfinex::responses::{OrderResponse, TradeResponse};
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use bitfinex::ticker::TradingPairTicker;
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use futures_retry::RetryPolicy;
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use log::trace;
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use tokio::macros::support::Future;
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use tokio::time::Duration;
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use crate::BoxError;
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use crate::currency::{Symbol, SymbolPair};
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use crate::models::{
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ActiveOrder, OrderBook, OrderBookEntry, OrderDetails, OrderFee, OrderForm, OrderKind, Position,
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PositionState, PriceTicker, Trade, TradingFees, TradingPlatform, WalletKind,
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};
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#[derive(PartialEq, Eq, Clone, Copy, Debug)]
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pub enum Exchange {
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Bitfinex,
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}
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#[derive(Eq, PartialEq, Hash, Clone, Debug)]
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pub enum ExchangeDetails {
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Bitfinex { api_key: String, api_secret: String },
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}
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/// You do **not** have to wrap the `Client` in an [`Rc`] or [`Arc`] to **reuse** it,
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/// because it already uses an [`Arc`] internally.
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#[derive(Clone, Debug)]
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pub struct Client {
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exchange: Exchange,
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inner: Arc<Box<dyn Connector>>,
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}
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impl Client {
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pub fn new(exchange: &ExchangeDetails) -> Self {
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match exchange {
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ExchangeDetails::Bitfinex {
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api_key,
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api_secret,
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} => Self {
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exchange: Exchange::Bitfinex,
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inner: Arc::new(Box::new(BitfinexConnector::new(api_key, api_secret))),
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},
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}
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}
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pub async fn active_positions(
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&self,
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pair: &SymbolPair,
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) -> Result<Option<Vec<Position>>, BoxError> {
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// retrieving open positions and order book to calculate effective profit/loss
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let (positions, order_book, fees) = tokio::join!(
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self.inner.active_positions(pair),
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self.inner.order_book(pair),
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self.inner.trading_fees()
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);
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let (mut positions, order_book, fees) = (positions?, order_book?, fees?);
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let (best_ask, best_bid) = (order_book.lowest_ask(), order_book.highest_bid());
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if positions.is_none() {
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return Ok(None);
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}
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let derivative_taker = fees
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.iter()
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.filter_map(|x| match x {
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TradingFees::Taker {
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platform,
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percentage,
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} if platform == &TradingPlatform::Derivative => Some(percentage),
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_ => None,
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})
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.next()
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.ok_or("Could not retrieve derivative taker fee!")?;
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let margin_taker = fees
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.iter()
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.filter_map(|x| match x {
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TradingFees::Taker {
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platform,
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percentage,
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} if platform == &TradingPlatform::Margin => Some(percentage),
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_ => None,
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})
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.next()
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.ok_or("Could not retrieve margin taker fee!")?;
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// updating positions with effective profit/loss
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positions.iter_mut().flatten().for_each(|x| {
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let fee = match x.platform() {
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TradingPlatform::Funding | TradingPlatform::Exchange => {
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unimplemented!()
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}
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TradingPlatform::Margin => margin_taker,
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TradingPlatform::Derivative => derivative_taker,
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};
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if x.is_short() {
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x.update_profit_loss(best_ask, *fee);
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} else {
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x.update_profit_loss(best_bid, *fee);
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}
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});
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Ok(positions)
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}
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pub async fn current_prices(&self, pair: &SymbolPair) -> Result<TradingPairTicker, BoxError> {
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self.inner.current_prices(pair).await
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}
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pub async fn active_orders(&self, pair: &SymbolPair) -> Result<Vec<ActiveOrder>, BoxError> {
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Ok(self
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.inner
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.active_orders(pair)
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.await?
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.into_iter()
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.filter(|x| &x.pair() == &pair)
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.collect())
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}
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pub async fn submit_order(&self, order: &OrderForm) -> Result<ActiveOrder, BoxError> {
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self.inner.submit_order(order).await
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}
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pub async fn order_book(&self, pair: &SymbolPair) -> Result<OrderBook, BoxError> {
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self.inner.order_book(pair).await
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}
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pub async fn cancel_order(&self, order: &ActiveOrder) -> Result<ActiveOrder, BoxError> {
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self.inner.cancel_order(order).await
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}
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pub async fn transfer_between_wallets(
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&self,
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from: &WalletKind,
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to: &WalletKind,
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symbol: Symbol,
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amount: f64,
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) -> Result<(), BoxError> {
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self.inner
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.transfer_between_wallets(from, to, symbol, amount)
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.await
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}
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pub async fn trades_from_order(
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&self,
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order: &OrderDetails,
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) -> Result<Option<Vec<Trade>>, BoxError> {
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self.inner.trades_from_order(order).await
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}
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pub async fn orders_history(
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&self,
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pair: &SymbolPair,
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) -> Result<Option<Vec<OrderDetails>>, BoxError> {
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self.inner.orders_history(pair).await
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}
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pub async fn trading_fees(&self) -> Result<Vec<TradingFees>, BoxError> { self.inner.trading_fees().await }
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}
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#[async_trait]
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pub trait Connector: Send + Sync {
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fn name(&self) -> String;
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async fn active_positions(&self, pair: &SymbolPair) -> Result<Option<Vec<Position>>, BoxError>;
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async fn current_prices(&self, pair: &SymbolPair) -> Result<TradingPairTicker, BoxError>;
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async fn order_book(&self, pair: &SymbolPair) -> Result<OrderBook, BoxError>;
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async fn active_orders(&self, pair: &SymbolPair) -> Result<Vec<ActiveOrder>, BoxError>;
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async fn submit_order(&self, order: &OrderForm) -> Result<ActiveOrder, BoxError>;
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async fn cancel_order(&self, order: &ActiveOrder) -> Result<ActiveOrder, BoxError>;
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async fn transfer_between_wallets(
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&self,
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from: &WalletKind,
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to: &WalletKind,
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symbol: Symbol,
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amount: f64,
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) -> Result<(), BoxError>;
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async fn trades_from_order(&self, order: &OrderDetails)
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-> Result<Option<Vec<Trade>>, BoxError>;
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async fn orders_history(
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&self,
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pair: &SymbolPair,
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) -> Result<Option<Vec<OrderDetails>>, BoxError>;
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async fn trading_fees(&self) -> Result<Vec<TradingFees>, BoxError>;
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}
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impl Debug for dyn Connector {
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fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
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write!(f, "{}", self.name())
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}
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}
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/**************
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* BITFINEX
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**************/
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pub struct BitfinexConnector {
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bfx: Bitfinex,
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}
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impl BitfinexConnector {
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const AFFILIATE_CODE: &'static str = "XPebOgHxA";
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fn handle_small_nonce_error(e: BoxError) -> RetryPolicy<BoxError> {
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if e.to_string().contains("nonce: small") {
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return RetryPolicy::WaitRetry(Duration::from_millis(1));
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}
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RetryPolicy::ForwardError(e)
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}
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pub fn new(api_key: &str, api_secret: &str) -> Self {
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BitfinexConnector {
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bfx: Bitfinex::new(Some(api_key.into()), Some(api_secret.into())),
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}
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}
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fn format_trading_pair(pair: &SymbolPair) -> String {
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if pair.to_string().to_lowercase().contains("test")
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|| pair.to_string().to_lowercase().contains("f0")
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{
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format!("{}:{}", pair.base(), pair.quote())
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} else {
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format!("{}{}", pair.base(), pair.quote())
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}
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}
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// retry to submit the request until it succeeds.
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// the function may fail due to concurrent signed requests
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// parsed in different times by the server
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async fn retry_nonce<F, Fut, O>(mut func: F) -> Result<O, BoxError>
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where
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F: FnMut() -> Fut,
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Fut: Future<Output=Result<O, BoxError>>,
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{
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let response = {
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loop {
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match func().await {
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Ok(response) => break response,
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Err(e) => {
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if !e.to_string().contains("nonce: small") {
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return Err(e);
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}
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tokio::time::sleep(Duration::from_nanos(1)).await;
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}
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}
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}
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};
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Ok(response)
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}
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}
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#[async_trait]
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impl Connector for BitfinexConnector {
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fn name(&self) -> String {
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"Bitfinex".into()
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}
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async fn active_positions(&self, pair: &SymbolPair) -> Result<Option<Vec<Position>>, BoxError> {
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let active_positions =
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BitfinexConnector::retry_nonce(|| self.bfx.positions.active_positions()).await?;
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let positions: Vec<_> = active_positions
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.into_iter()
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.filter_map(|x| x.try_into().ok())
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.filter(|x: &Position| x.pair() == pair)
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.collect();
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trace!("\tRetrieved positions for {}", pair);
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Ok((!positions.is_empty()).then_some(positions))
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}
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async fn current_prices(&self, pair: &SymbolPair) -> Result<TradingPairTicker, BoxError> {
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let symbol_name = BitfinexConnector::format_trading_pair(pair);
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let ticker: TradingPairTicker = self.bfx.ticker.trading_pair(symbol_name).await?;
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Ok(ticker)
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}
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async fn order_book(&self, pair: &SymbolPair) -> Result<OrderBook, BoxError> {
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let symbol_name = BitfinexConnector::format_trading_pair(pair);
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let response = BitfinexConnector::retry_nonce(|| {
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self.bfx.book.trading_pair(&symbol_name, BookPrecision::P0)
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})
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.await?;
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let entries = response
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.into_iter()
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.map(|x| OrderBookEntry::Trading {
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price: x.price,
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count: x.count as u64,
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amount: x.amount,
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})
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.collect();
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Ok(OrderBook::new(pair.clone()).with_entries(entries))
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}
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async fn active_orders(&self, _: &SymbolPair) -> Result<Vec<ActiveOrder>, BoxError> {
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let response = BitfinexConnector::retry_nonce(|| self.bfx.orders.active_orders()).await?;
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Ok(response.iter().map(Into::into).collect())
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}
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async fn submit_order(&self, order: &OrderForm) -> Result<ActiveOrder, BoxError> {
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let symbol_name = format!("t{}", BitfinexConnector::format_trading_pair(order.pair()));
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let amount = order.amount();
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let order_form = {
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match order.kind() {
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OrderKind::Limit { price } => {
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bitfinex::orders::OrderForm::new(symbol_name, price, amount, order.into())
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}
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OrderKind::Market => {
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bitfinex::orders::OrderForm::new(symbol_name, 0.0, amount, order.into())
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}
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OrderKind::Stop { price } => {
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bitfinex::orders::OrderForm::new(symbol_name, price, amount, order.into())
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}
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OrderKind::StopLimit { stop_price: price, limit_price } => {
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bitfinex::orders::OrderForm::new(symbol_name, price, amount, order.into())
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.with_price_aux_limit(Some(limit_price))?
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}
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OrderKind::TrailingStop { distance } => {
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bitfinex::orders::OrderForm::new(symbol_name, 0.0, amount, order.into())
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.with_price_trailing(Some(distance))?
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}
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OrderKind::FillOrKill { price } => {
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bitfinex::orders::OrderForm::new(symbol_name, price, amount, order.into())
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}
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OrderKind::ImmediateOrCancel { price } => {
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bitfinex::orders::OrderForm::new(symbol_name, price, amount, order.into())
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}
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}
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.with_meta(Some(OrderMeta::new(
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BitfinexConnector::AFFILIATE_CODE.to_string(),
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)))
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// TODO: CHANGEME!
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.with_leverage(Some(15))
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};
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let response =
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BitfinexConnector::retry_nonce(|| self.bfx.orders.submit_order(&order_form)).await?;
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// parsing response into ActiveOrder and adding leverage from order form
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let order_response: ActiveOrder = (&response).try_into()?;
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// TODO: CHANGEME!!!!
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Ok(order_response.with_leverage(Some(15.0)))
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}
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async fn cancel_order(&self, order: &ActiveOrder) -> Result<ActiveOrder, BoxError> {
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let cancel_form = order.into();
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let response =
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BitfinexConnector::retry_nonce(|| self.bfx.orders.cancel_order(&cancel_form)).await?;
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Ok((&response).try_into()?)
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}
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async fn transfer_between_wallets(
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&self,
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from: &WalletKind,
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to: &WalletKind,
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symbol: Symbol,
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amount: f64,
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) -> Result<(), BoxError> {
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BitfinexConnector::retry_nonce(|| {
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self.bfx.account.transfer_between_wallets(
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from.into(),
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to.into(),
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symbol.to_string(),
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amount,
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)
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})
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.await?;
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Ok(())
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}
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async fn trades_from_order(
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&self,
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order: &OrderDetails,
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) -> Result<Option<Vec<Trade>>, BoxError> {
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let response = BitfinexConnector::retry_nonce(|| {
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self.bfx
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.trades
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.generated_by_order(order.pair().trading_repr(), order.id())
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})
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.await?;
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if response.is_empty() {
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Ok(None)
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} else {
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Ok(Some(response.iter().map(Into::into).collect()))
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}
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}
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async fn orders_history(
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&self,
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pair: &SymbolPair,
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) -> Result<Option<Vec<OrderDetails>>, BoxError> {
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let response =
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BitfinexConnector::retry_nonce(|| self.bfx.orders.history(Some(pair.trading_repr())))
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.await?;
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let mapped_vec: Vec<_> = response.iter().map(Into::into).collect();
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Ok((!mapped_vec.is_empty()).then_some(mapped_vec))
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}
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async fn trading_fees(&self) -> Result<Vec<TradingFees>, BoxError> {
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let mut fees = vec![];
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let accountfees =
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BitfinexConnector::retry_nonce(|| self.bfx.account.account_summary()).await?;
|
|
|
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// Derivatives
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let derivative_taker = TradingFees::Taker {
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platform: TradingPlatform::Derivative,
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percentage: accountfees.derivative_taker() * 100.0,
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};
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let derivative_maker = TradingFees::Maker {
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platform: TradingPlatform::Derivative,
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percentage: accountfees.derivative_rebate() * 100.0,
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};
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fees.push(derivative_taker);
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fees.push(derivative_maker);
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|
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// Exchange
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let exchange_taker = TradingFees::Taker {
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platform: TradingPlatform::Exchange,
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percentage: accountfees.taker_to_fiat() * 100.0,
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};
|
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let exchange_maker = TradingFees::Maker {
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platform: TradingPlatform::Exchange,
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percentage: accountfees.maker_fee() * 100.0,
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};
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fees.push(exchange_taker);
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fees.push(exchange_maker);
|
|
|
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// Margin
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let margin_taker = TradingFees::Taker {
|
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platform: TradingPlatform::Margin,
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percentage: accountfees.taker_to_fiat() * 100.0,
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};
|
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let margin_maker = TradingFees::Maker {
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platform: TradingPlatform::Margin,
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percentage: accountfees.maker_fee() * 100.0,
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};
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fees.push(margin_taker);
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fees.push(margin_maker);
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Ok(fees)
|
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}
|
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}
|
|
|
|
impl From<&ActiveOrder> for CancelOrderForm {
|
|
fn from(o: &ActiveOrder) -> Self {
|
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Self::from_id(o.id())
|
|
}
|
|
}
|
|
|
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impl TryFrom<&bitfinex::responses::OrderResponse> for ActiveOrder {
|
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type Error = BoxError;
|
|
|
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fn try_from(response: &OrderResponse) -> Result<Self, Self::Error> {
|
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let pair = SymbolPair::from_str(response.symbol())?;
|
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Ok(ActiveOrder::new(
|
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Exchange::Bitfinex,
|
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response.id(),
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pair.clone(),
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OrderForm::new(pair, response.into(), response.into(), response.amount()),
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response.mts_create(),
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response.mts_update(),
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)
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.with_group_id(response.gid())
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.with_client_id(Some(response.cid())))
|
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}
|
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}
|
|
|
|
impl TryInto<Position> for bitfinex::positions::Position {
|
|
type Error = BoxError;
|
|
|
|
fn try_into(self) -> Result<Position, Self::Error> {
|
|
let state = {
|
|
if self.status().to_lowercase().contains("active") {
|
|
PositionState::Open
|
|
} else {
|
|
PositionState::Closed
|
|
}
|
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};
|
|
|
|
let platform = {
|
|
if self.symbol().to_ascii_lowercase().contains("f0") {
|
|
TradingPlatform::Derivative
|
|
} else {
|
|
TradingPlatform::Margin
|
|
}
|
|
};
|
|
|
|
Ok(Position::new(
|
|
SymbolPair::from_str(self.symbol())?,
|
|
state,
|
|
self.amount(),
|
|
self.base_price(),
|
|
self.pl(),
|
|
self.pl_perc(),
|
|
self.price_liq(),
|
|
self.position_id(),
|
|
platform,
|
|
self.leverage(),
|
|
)
|
|
.with_creation_date(self.mts_create())
|
|
.with_creation_update(self.mts_update()))
|
|
}
|
|
}
|
|
|
|
impl From<&OrderForm> for bitfinex::orders::OrderKind {
|
|
fn from(o: &OrderForm) -> Self {
|
|
match o.platform() {
|
|
TradingPlatform::Exchange => match o.kind() {
|
|
OrderKind::Limit { .. } => bitfinex::orders::OrderKind::ExchangeLimit,
|
|
OrderKind::Market { .. } => bitfinex::orders::OrderKind::ExchangeMarket,
|
|
OrderKind::Stop { .. } => bitfinex::orders::OrderKind::ExchangeStop,
|
|
OrderKind::StopLimit { .. } => bitfinex::orders::OrderKind::ExchangeStopLimit,
|
|
OrderKind::TrailingStop { .. } => bitfinex::orders::OrderKind::ExchangeTrailingStop,
|
|
OrderKind::FillOrKill { .. } => bitfinex::orders::OrderKind::ExchangeFok,
|
|
OrderKind::ImmediateOrCancel { .. } => bitfinex::orders::OrderKind::ExchangeIoc,
|
|
},
|
|
TradingPlatform::Margin | TradingPlatform::Derivative => match o.kind() {
|
|
OrderKind::Limit { .. } => bitfinex::orders::OrderKind::Limit,
|
|
OrderKind::Market { .. } => bitfinex::orders::OrderKind::Market,
|
|
OrderKind::Stop { .. } => bitfinex::orders::OrderKind::Stop,
|
|
OrderKind::StopLimit { .. } => bitfinex::orders::OrderKind::StopLimit,
|
|
OrderKind::TrailingStop { .. } => bitfinex::orders::OrderKind::TrailingStop,
|
|
OrderKind::FillOrKill { .. } => bitfinex::orders::OrderKind::Fok,
|
|
OrderKind::ImmediateOrCancel { .. } => bitfinex::orders::OrderKind::Ioc,
|
|
},
|
|
_ => unimplemented!(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&bitfinex::responses::OrderResponse> for TradingPlatform {
|
|
fn from(response: &OrderResponse) -> Self {
|
|
match response.order_type() {
|
|
bitfinex::orders::OrderKind::Limit
|
|
| bitfinex::orders::OrderKind::Market
|
|
| bitfinex::orders::OrderKind::StopLimit
|
|
| bitfinex::orders::OrderKind::Stop
|
|
| bitfinex::orders::OrderKind::TrailingStop
|
|
| bitfinex::orders::OrderKind::Fok
|
|
| bitfinex::orders::OrderKind::Ioc => Self::Margin,
|
|
_ => Self::Exchange,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&bitfinex::orders::ActiveOrder> for TradingPlatform {
|
|
fn from(response: &bitfinex::orders::ActiveOrder) -> Self {
|
|
match response.order_type() {
|
|
bitfinex::orders::OrderKind::Limit
|
|
| bitfinex::orders::OrderKind::Market
|
|
| bitfinex::orders::OrderKind::StopLimit
|
|
| bitfinex::orders::OrderKind::Stop
|
|
| bitfinex::orders::OrderKind::TrailingStop
|
|
| bitfinex::orders::OrderKind::Fok
|
|
| bitfinex::orders::OrderKind::Ioc => Self::Margin,
|
|
_ => Self::Exchange,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&bitfinex::responses::OrderResponse> for OrderKind {
|
|
fn from(response: &OrderResponse) -> Self {
|
|
match response.order_type() {
|
|
bitfinex::orders::OrderKind::Limit | bitfinex::orders::OrderKind::ExchangeLimit => {
|
|
Self::Limit {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
bitfinex::orders::OrderKind::Market | bitfinex::orders::OrderKind::ExchangeMarket => {
|
|
Self::Market
|
|
}
|
|
bitfinex::orders::OrderKind::Stop | bitfinex::orders::OrderKind::ExchangeStop => {
|
|
Self::Stop {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
bitfinex::orders::OrderKind::StopLimit
|
|
| bitfinex::orders::OrderKind::ExchangeStopLimit => Self::StopLimit {
|
|
stop_price: response.price(),
|
|
limit_price: response.price_aux_limit().expect("Limit price not found!"),
|
|
},
|
|
bitfinex::orders::OrderKind::TrailingStop
|
|
| bitfinex::orders::OrderKind::ExchangeTrailingStop => Self::TrailingStop {
|
|
distance: response.price_trailing().expect("Distance not found!"),
|
|
},
|
|
bitfinex::orders::OrderKind::Fok | bitfinex::orders::OrderKind::ExchangeFok => {
|
|
Self::FillOrKill {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
bitfinex::orders::OrderKind::Ioc | bitfinex::orders::OrderKind::ExchangeIoc => {
|
|
Self::ImmediateOrCancel {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&bitfinex::orders::ActiveOrder> for OrderKind {
|
|
fn from(response: &bitfinex::orders::ActiveOrder) -> Self {
|
|
match response.order_type() {
|
|
bitfinex::orders::OrderKind::Limit | bitfinex::orders::OrderKind::ExchangeLimit => {
|
|
Self::Limit {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
bitfinex::orders::OrderKind::Market | bitfinex::orders::OrderKind::ExchangeMarket => {
|
|
Self::Market {}
|
|
}
|
|
bitfinex::orders::OrderKind::Stop | bitfinex::orders::OrderKind::ExchangeStop => {
|
|
Self::Stop {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
bitfinex::orders::OrderKind::StopLimit
|
|
| bitfinex::orders::OrderKind::ExchangeStopLimit => Self::StopLimit {
|
|
stop_price: response.price(),
|
|
limit_price: response.price_aux_limit().expect("Limit price not found!"),
|
|
},
|
|
bitfinex::orders::OrderKind::TrailingStop
|
|
| bitfinex::orders::OrderKind::ExchangeTrailingStop => Self::TrailingStop {
|
|
distance: response.price_trailing().expect("Distance not found!"),
|
|
},
|
|
bitfinex::orders::OrderKind::Fok | bitfinex::orders::OrderKind::ExchangeFok => {
|
|
Self::FillOrKill {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
bitfinex::orders::OrderKind::Ioc | bitfinex::orders::OrderKind::ExchangeIoc => {
|
|
Self::ImmediateOrCancel {
|
|
price: response.price(),
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&bitfinex::orders::ActiveOrder> for ActiveOrder {
|
|
fn from(order: &bitfinex::orders::ActiveOrder) -> Self {
|
|
let pair = SymbolPair::from_str(&order.symbol()).expect("Invalid symbol!");
|
|
|
|
ActiveOrder::new(
|
|
Exchange::Bitfinex,
|
|
order.id(),
|
|
pair.clone(),
|
|
OrderForm::new(pair, order.into(), order.into(), order.amount()),
|
|
order.creation_timestamp(),
|
|
order.update_timestamp(),
|
|
)
|
|
.with_client_id(Some(order.client_id()))
|
|
.with_group_id(order.group_id())
|
|
}
|
|
}
|
|
|
|
impl From<TradingPairTicker> for PriceTicker {
|
|
fn from(t: TradingPairTicker) -> Self {
|
|
Self {
|
|
bid: t.bid,
|
|
bid_size: t.bid_size,
|
|
ask: t.ask,
|
|
ask_size: t.ask_size,
|
|
daily_change: t.daily_change,
|
|
daily_change_perc: t.daily_change_perc,
|
|
last_price: t.last_price,
|
|
volume: t.volume,
|
|
high: t.high,
|
|
low: t.low,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&WalletKind> for &bitfinex::account::WalletKind {
|
|
fn from(k: &WalletKind) -> Self {
|
|
match k {
|
|
WalletKind::Exchange => &bitfinex::account::WalletKind::Exchange,
|
|
WalletKind::Margin => &bitfinex::account::WalletKind::Margin,
|
|
WalletKind::Funding => &bitfinex::account::WalletKind::Funding,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&bitfinex::orders::ActiveOrder> for OrderDetails {
|
|
fn from(order: &bitfinex::orders::ActiveOrder) -> Self {
|
|
Self::new(
|
|
Exchange::Bitfinex,
|
|
order.id(),
|
|
SymbolPair::from_str(order.symbol()).unwrap(),
|
|
order.into(),
|
|
order.into(),
|
|
order.update_timestamp(),
|
|
)
|
|
}
|
|
}
|
|
|
|
// TODO: fields are hardcoded, to fix
|
|
impl From<&bitfinex::responses::TradeResponse> for Trade {
|
|
fn from(response: &TradeResponse) -> Self {
|
|
let pair = SymbolPair::from_str(&response.symbol()).unwrap();
|
|
let fee = {
|
|
if response.is_maker() {
|
|
OrderFee::Maker(response.fee())
|
|
} else {
|
|
OrderFee::Taker(response.fee())
|
|
}
|
|
};
|
|
|
|
Self {
|
|
trade_id: response.trade_id(),
|
|
pair,
|
|
execution_timestamp: response.execution_timestamp(),
|
|
price: response.execution_price(),
|
|
amount: response.execution_amount(),
|
|
fee,
|
|
fee_currency: Symbol::new(response.symbol().to_owned()),
|
|
}
|
|
}
|
|
}
|