94 lines
2.6 KiB
Rust
94 lines
2.6 KiB
Rust
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use std::convert::{TryFrom, TryInto};
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use async_trait::async_trait;
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use bitfinex::api::Bitfinex;
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use bitfinex::ticker::TradingPairTicker;
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use crate::currency::{Symbol, SymbolPair};
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use crate::orders::Order;
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use crate::positions::{Position, PositionState};
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use crate::BoxError;
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#[async_trait]
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pub trait Connector {
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async fn active_positions(&self, pair: &SymbolPair) -> Result<Vec<Position>, BoxError>;
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async fn current_prices(&self, pair: &SymbolPair) -> Result<TradingPairTicker, BoxError>;
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async fn active_orders(&self, pair: &SymbolPair) -> Result<Vec<Order>, BoxError>;
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async fn submit_order(&self) -> Result<u64, BoxError>;
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}
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pub struct BfxWrapper {
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bfx: Bitfinex,
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affiliate_code: Option<String>,
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// account_info: String,
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// ledger: String,
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}
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impl BfxWrapper {
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pub fn new(api_key: &str, api_secret: &str) -> Self {
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BfxWrapper {
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bfx: Bitfinex::new(Some(api_key.into()), Some(api_secret.into())),
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affiliate_code: None,
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}
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}
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pub fn with_affiliate_code(mut self, affiliate_code: Option<String>) -> Self {
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self.affiliate_code = affiliate_code;
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self
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}
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}
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impl TryInto<Position> for bitfinex::positions::Position {
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type Error = BoxError;
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fn try_into(self) -> Result<Position, Self::Error> {
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let state = {
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if self.status().to_lowercase().contains("active") {
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PositionState::Open
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} else {
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PositionState::Closed
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}
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};
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Ok(Position::new(
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self.symbol().try_into()?,
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state,
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self.amount(),
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self.base_price(),
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self.pl(),
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self.pl_perc(),
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self.price_liq(),
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self.position_id(),
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)
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.with_creation_date(self.mts_create())
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.with_creation_update(self.mts_update()))
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}
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}
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#[async_trait]
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impl Connector for BfxWrapper {
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async fn active_positions(&self, pair: &SymbolPair) -> Result<Vec<Position>, BoxError> {
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let active_positions = self.bfx.positions.active_positions().await?;
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Ok(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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}
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async fn current_prices(&self, pair: &SymbolPair) -> Result<TradingPairTicker, BoxError> {
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let ticker: TradingPairTicker = self.bfx.ticker.trading_pair(pair.clone()).await?;
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Ok(ticker)
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}
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async fn active_orders(&self, pair: &SymbolPair) -> Result<Vec<Order>, BoxError> {
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unimplemented!()
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}
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async fn submit_order(&self) -> Result<u64, BoxError> {
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unimplemented!()
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}
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}
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