add order book command

README.md

@@ -225,10 +225,14 @@ These are the ones where a key is necessary:
   * Tradier: https://developer.tradier.com/getting_started
   * Oanda API: https://developer.oanda.com
   * CoinMarketCap API: https://coinmarketcap.com/api/
+  * Binance: https://binance.us
 
 When these are obtained, don't forget to update [config_terminal.py](/gamestonk_terminal/config_terminal.py).
 
-Alternatively, you can also set them to the following environment variables: GT_API_KEY_ALPHAVANTAGE, GT_API_KEY_FINANCIALMODELINGPREP, GT_API_KEY_QUANDL, GT_API_REDDIT_CLIENT_ID, GT_API_REDDIT_CLIENT_SECRET, GT_API_REDDIT_USERNAME, GT_API_REDDIT_USER_AGENT, GT_API_REDDIT_PASSWORD, GT_API_TWITTER_KEY, GT_API_TWITTER_SECRET_KEY, GT_API_TWITTER_BEARER_TOKEN, GT_API_POLYGON_KEY, GT_FRED_API_KEY, GT_API_NEWS_TOKEN, GT_OANDA_TOKEN, GT_OANDA_ACCOUNT, GT_TRADIER_TOKEN, GT_CMC_API_KEY.
+Alternatively, you can also set them to the following environment variables: GT_API_KEY_ALPHAVANTAGE, GT_API_KEY_FINANCIALMODELINGPREP, 
+GT_API_KEY_QUANDL, GT_API_REDDIT_CLIENT_ID, GT_API_REDDIT_CLIENT_SECRET, GT_API_REDDIT_USERNAME, GT_API_REDDIT_USER_AGENT, GT_API_REDDIT_PASSWORD, 
+GT_API_TWITTER_KEY, GT_API_TWITTER_SECRET_KEY, GT_API_TWITTER_BEARER_TOKEN, GT_API_POLYGON_KEY, GT_FRED_API_KEY, 
+GT_API_NEWS_TOKEN, GT_OANDA_TOKEN, GT_OANDA_ACCOUNT, GT_TRADIER_TOKEN, GT_CMC_API_KEY, GT_BINANCE_API_KEY, GT_BINANCE_SECRET_KEY.
 
 Example:
 ```

gamestonk_terminal/cryptocurrency/binance_model.py

@@ -3,21 +3,84 @@ __docformat__ = "numpy"
 
 import argparse
 from typing import List
+import matplotlib.pyplot as plt
+import numpy as np
 from binance.client import Client
+from gamestonk_terminal.main_helper import parse_known_args_and_warn
+from gamestonk_terminal.config_terminal import BINANCE_API_KEY, BINANCE_SECRET_KEY
+from gamestonk_terminal.cryptocurrency.binance_view import plot_order_book
 
-def order_book(coin:str, other_args:List[str]):
-    """Get order book for currency"""
-    pass
 
-def recent_trades(coin:str, other_args:List[str]):
-    """Get recent trades for currency"""
-    pass
+def order_book(coin: str, other_args: List[str]):
+    """
+    Get order book for currency
+    Parameters
+    ----------
+    coin: str
+        Coin to get order book for
+    other_args: List[str]
+        Argparse arguments
+
+    Returns
+    -------
+
+    """
+    client = Client(BINANCE_API_KEY, BINANCE_SECRET_KEY)
+    order_book = client.get_order_book(symbol=coin)
+    bids = np.asarray(order_book["bids"], dtype=float)
+    asks = np.asarray(order_book["asks"], dtype=float)
+    bids = np.insert(bids, 2, bids[:, 1].cumsum(), axis=1)
+    asks = np.insert(asks, 2, np.flipud(asks[:, 1]).cumsum(), axis=1)
+    plot_order_book(bids, asks, coin)
+
+
+def recent_trades(coin: str, other_args: List[str]):
+    """
+    Get recent trades for currency
+    Parameters
+    ----------
+    coin: str
+        Coin to get recent trades for
+    other_args: List[str]
+        Argparse arguments
+
+    Returns
+    -------
+
+    """
 
-def candles(coin:str, other_args:List[str]):
-    """Get order book for currency"""
     pass
 
 
-def balance(coin:str, other_args:List[str]):
-    """Get order book for currency"""
-    pass
+def candles(coin: str, other_args: List[str]):
+    """
+    Get klines/candles for coin
+    Parameters
+    ----------
+    coin: str
+        Coin to get symbol of
+    other_args: List[str]
+        Argparse arguments
+
+    Returns
+    -------
+
+    """
+    pass
+
+
+def balance(coin: str, other_args: List[str]):
+    """
+    Get accont holdings for asset
+    Parameters
+    ----------
+    coin: str
+        Coin to get holdings of
+    other_args : List[str]
+        Argparse arguments
+
+    Returns
+    -------
+
+    """
+    pass

gamestonk_terminal/cryptocurrency/binance_view.py

@@ -0,0 +1,43 @@
+"""Binance view functions"""
+__docformat__ = "numpy"
+
+import numpy as np
+import matplotlib.pyplot as plt
+from gamestonk_terminal.main_helper import plot_autoscale
+from gamestonk_terminal.config_plot import PLOT_DPI
+from gamestonk_terminal.feature_flags import USE_ION as ion
+
+
+def plot_order_book(bids: np.array, asks: np.array, coin: str):
+    """
+    Plots Bid/Ask
+    Parameters
+    ----------
+    bids : np.array
+        array of bids with columns: price, size, cumulative size
+    asks : np.array
+        array of asks with columns: price, size, cumulative size
+    coin : str
+        Coin being plotted
+
+    Returns
+    -------
+
+    """
+
+    _, ax = plt.subplots(figsize=plot_autoscale(), dpi=PLOT_DPI)
+    ax.plot(bids[:, 0], bids[:, 2], "g", label="bids")
+    ax.fill_between(bids[:, 0], bids[:, 2], color="g", alpha=0.4)
+    ax.plot(asks[:, 0], asks[:, 2], "r", label="asks")
+    ax.fill_between(asks[:, 0], asks[:, 2], color="r", alpha=0.4)
+    plt.grid(b=True, which="major", color="#666666", linestyle="-")
+    plt.minorticks_on()
+    plt.grid(b=True, which="minor", color="#999999", linestyle="-", alpha=0.2)
+    plt.legend(loc=0)
+    plt.xlabel("Price")
+    plt.ylabel("Size (Coins) ")
+    plt.title(f"Order Book for {coin}")
+    # if ion:
+    #    plt.ion()
+    plt.show()
+    print("")

gamestonk_terminal/cryptocurrency/crypto_controller.py

@@ -29,6 +29,7 @@ class CryptoController:
         "trades",
         "candle",
         "balance",
+        "add",
     ]
 
     def __init__(self):
@@ -57,6 +58,7 @@ class CryptoController:
         print("   top           view top coins from coinmarketcap")
         print("")
         print("Binance:")
+        print("   add           add coin as current")
         print("   book          get order book")
         print("   trades        get recent trades")
         print("   candle        get klines/candles and plot")
@@ -92,9 +94,11 @@ class CryptoController:
         return True
 
     def call_load(self, other_args):
+        """Load command - get df from gecko"""
         self.current_coin, self.current_df = pycoingecko_view.load(other_args)
 
     def call_view(self, other_args):
+        """View command - plot loaded coin"""
         if self.current_coin:
             pycoingecko_view.view(self.current_coin, self.current_df, other_args)
 
@@ -103,13 +107,32 @@ class CryptoController:
             print("")
 
     def call_trend(self, _):
+        """Trend command - show top 7 gecko coins"""
         pycoingecko_view.trend()
 
     def call_top(self, other_args):
+        """Top command - get top n coins from coinmarketcap"""
         cmc_view.get_cmc_top_n(other_args)
 
-    def call_book(self,other_args):
-        binance_model.order_book(other_args)
+    def call_book(self, other_args):
+        """Book command - get order book from binance"""
+        binance_model.order_book(self.current_coin, other_args)
+
+    def call_trades(self, other_args):
+        """Trades command - get recent trades from binance"""
+        binance_model.recent_trades(self.current_coin, other_args)
+
+    def call_candle(self, other_args):
+        """Candle command - show candle chart from binance"""
+        binance_model.candles(self.current_coin, other_args)
+
+    def call_balance(self, other_args):
+        """Balance command - check current holdings of coin in binance"""
+        binance_model.balance(self.current_coin, other_args)
+
+    def call_add(self, _):
+        self.current_coin = input("Coin?").upper()
+
 
 def menu():
     crypto_controller = CryptoController()

gamestonk_terminal/cryptocurrency/pycoingecko_view.py

@@ -137,22 +137,31 @@ def view(coin: str, prices: pd.DataFrame, other_args: List[str]):
         print(e)
         print("")
 
+
 def trend():
     """Prints top 7 coins from pycoingecko"""
     cg = CoinGeckoAPI()
     trending = cg.get_search_trending()["coins"]
     name, symbol, price, rank = [], [], [], []
     for coin in trending:
-        name.append( coin["item"]["name"] )
-        symbol.append( coin["item"]["symbol"] )
+        name.append(coin["item"]["name"])
+        symbol.append(coin["item"]["symbol"])
         coin_id = coin["item"]["id"]
-        price.append( cg.get_price(coin_id, vs_currencies="USD")[coin_id]["usd"])
-        rank.append( coin["item"]["market_cap_rank"] )
+        price.append(cg.get_price(coin_id, vs_currencies="USD")[coin_id]["usd"])
+        rank.append(coin["item"]["market_cap_rank"])
 
     df = pd.DataFrame()
-    df["name"]= name
+    df["name"] = name
     df["symbol"] = symbol
     df["last_price"] = price
     df["market_cap_rank"] = rank
-    print( tabulate(df, headers=df.columns, floatfmt = ".2f", showindex=False, tablefmt="fancy_grid"))
-    print("")
+    print(
+        tabulate(
+            df,
+            headers=df.columns,
+            floatfmt=".2f",
+            showindex=False,
+            tablefmt="fancy_grid",
+        )
+    )
+    print("")