From 945f5f63c1637c986d7e07900b72ea8fc128970c Mon Sep 17 00:00:00 2001
From: Giulio De Pasquale <giulio@depasquale.eu>
Date: Tue, 19 Jan 2021 21:29:02 +0000
Subject: [PATCH] implemented order book call for bitfinex connector. submit
 order stub working

---
 rustybot/src/connectors.rs | 66 +++++++++++++++++++++++++++++++++-----
 1 file changed, 58 insertions(+), 8 deletions(-)

diff --git a/rustybot/src/connectors.rs b/rustybot/src/connectors.rs
index c80a17c..d3ea78d 100644
--- a/rustybot/src/connectors.rs
+++ b/rustybot/src/connectors.rs
@@ -1,14 +1,17 @@
-use std::convert::TryInto;
-use std::fmt::{Debug, Formatter};
-use std::sync::Arc;
-
 use async_trait::async_trait;
 use bitfinex::api::Bitfinex;
 use bitfinex::orders::{ActiveOrder, OrderMeta};
 use bitfinex::ticker::TradingPairTicker;
+use log::debug;
+use std::convert::TryInto;
+use std::fmt::{Debug, Formatter};
+use std::sync::Arc;
 
 use crate::currency::SymbolPair;
-use crate::models::{ExecutedOrder, OrderForm, OrderKind, Position, PositionState, PriceTicker};
+use crate::models::{
+    ExecutedOrder, OrderBook, OrderBookEntry, OrderForm, OrderKind, Position, PositionState,
+    PriceTicker,
+};
 use crate::BoxError;
 
 #[derive(Eq, PartialEq, Hash, Clone, Debug)]
@@ -57,6 +60,10 @@ impl Client {
     pub async fn submit_order(&self, order: OrderForm) -> Result<ExecutedOrder, BoxError> {
         self.inner.submit_order(order).await
     }
+
+    pub async fn order_book(&self, pair: &SymbolPair) -> Result<OrderBook, BoxError> {
+        self.inner.order_book(pair).await
+    }
 }
 
 #[async_trait]
@@ -64,6 +71,7 @@ pub trait Connector: Send + Sync {
     fn name(&self) -> String;
     async fn active_positions(&self, pair: &SymbolPair) -> Result<Option<Vec<Position>>, BoxError>;
     async fn current_prices(&self, pair: &SymbolPair) -> Result<TradingPairTicker, BoxError>;
+    async fn order_book(&self, pair: &SymbolPair) -> Result<OrderBook, BoxError>;
     async fn active_orders(&self, pair: &SymbolPair) -> Result<Vec<ExecutedOrder>, BoxError>;
     async fn submit_order(&self, order: OrderForm) -> Result<ExecutedOrder, BoxError>;
 }
@@ -141,23 +149,65 @@ impl Connector for BitfinexConnector {
     }
 
     async fn submit_order(&self, order: OrderForm) -> Result<ExecutedOrder, BoxError> {
+        // TODO: change trading pair formatting. awful.
         let order_form = match &self.affiliate_code {
             Some(affiliate_code) => bitfinex::orders::OrderForm::new(
-                order.pair().trading_repr(),
+                format!("t{}", self.format_trading_pair(order.pair())),
                 *order.price(),
                 *order.amount(),
                 order.kind().into(),
             )
             .with_meta(OrderMeta::new(affiliate_code.clone())),
             None => bitfinex::orders::OrderForm::new(
-                order.pair().trading_repr(),
+                format!("t{}", self.format_trading_pair(order.pair())),
                 *order.price(),
                 *order.amount(),
                 order.kind().into(),
             ),
         };
 
-        Ok(self.bfx.orders.submit_order(&order_form).await?.into())
+        let response = self.bfx.orders.submit_order(&order_form).await?;
+
+        Ok(ExecutedOrder {
+            id: 1,
+            group_id: None,
+            client_id: 0,
+            symbol: "".to_string(),
+            creation_timestamp: 0,
+            update_timestamp: 0,
+            amount: 0.0,
+            amount_original: 0.0,
+            order_type: "".to_string(),
+            previous_order_type: None,
+            flags: None,
+            order_status: None,
+            price: 0.0,
+            price_avg: 0.0,
+            price_trailing: None,
+            price_aux_limit: None,
+            notify: 0,
+            hidden: 0,
+            placed_id: None,
+        })
+    }
+
+    async fn order_book(&self, pair: &SymbolPair) -> Result<OrderBook, BoxError> {
+        let x = self
+            .bfx
+            .book
+            .trading_pair(self.format_trading_pair(&pair), "P0".into())
+            .await?;
+
+        let entries = x
+            .into_iter()
+            .map(|x| OrderBookEntry::Trading {
+                price: x.price,
+                count: x.count as u64,
+                amount: x.amount,
+            })
+            .collect();
+
+        Ok(OrderBook::new(pair.clone()).with_entries(entries))
     }
 }