OpenBB/openbb_terminal/dashboards/crypto.ipynb

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   "source": [
    "# Cryptocurrency exchange rates to USD ($)"
   ]
  },
  {
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   "id": "da655985-c9b7-492e-aefa-fbe3bc1865d5",
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   "source": [
    "import json\n",
    "import os\n",
    "\n",
    "import ipywidgets as ipw\n",
    "from IPython.display import display\n",
    "import pandas as pd\n",
    "\n",
    "from openbb_terminal import api as openbb\n",
    "\n",
    "ipw.HTML(f\"<style>{openbb.widgets.price_card_stylesheet()}</style>\")"
   ]
  },
  {
   "cell_type": "code",
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   "id": "dcbbf867-af50-4d06-ae5c-7c09647aa55d",
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   "source": [
    "COIN_LIST = (\n",
    "    \"BTC,ETH,USDT,BNB,USDC,XRP,LUNA,ADA,\"\n",
    "    + \"SOL,AVAX,DOT,BUSD,DOGE,UST,SHIB,WBTC,\"\n",
    "    + \"MATIC,CRO,DAI,LTC,ATOM,NEAR,LINK,BCH,\"\n",
    "    + \"UNI,TRX,FTT,ETC,LEO,ALGO,XLM,MANA,\"\n",
    "    + \"BTCB,HBAR,EGLD,ICP,SAND,XMR,WAVES,VET,\"\n",
    "    + \"APE,FIL,FTM,AXS,THETA,KLAY,XTZ,RUNE\"\n",
    ").split(\",\")\n",
    "exchange_rates = {}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "deeeb80a-3675-44fb-9a1b-2325d8da4e7d",
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   "source": [
    "def get_exchange_rate(coin: str, days: int = 2):\n",
    "    \"\"\"Get exchange rate for a cryptocurrency agains USD.\"\"\"\n",
    "    (_, _, _, _, current_df, _,) = openbb.crypto.load(\n",
    "        coin=coin,\n",
    "        source=\"cp\",\n",
    "        days=days,\n",
    "        vs=\"usd\",\n",
    "        interval=\"1day\",\n",
    "        should_load_ta_data=True,\n",
    "    )\n",
    "    price_color = \"neutral_color\"\n",
    "    if current_df[\"Close\"].iloc[-1] > current_df[\"Close\"].iloc[-2]:\n",
    "        price_color = \"up_color\"\n",
    "    elif current_df[\"Close\"].iloc[-1] < current_df[\"Close\"].iloc[-2]:\n",
    "        price_color = \"down_color\"\n",
    "    price = str(current_df[\"Close\"].iloc[-1])[:7]\n",
    "\n",
    "    return price, price_color"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "18acf5cb-6cbf-484d-8042-107c030098de",
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   "source": [
    "def show_rates(btn):\n",
    "    \"\"\"Show exchange rates in grid box widget.\"\"\"\n",
    "    grid.children = ()\n",
    "    for coin in COIN_LIST:\n",
    "        if coin not in exchange_rates.keys():\n",
    "            exchange_rates[coin] = {\"price\": None, \"color\": None}\n",
    "        try:\n",
    "            price, price_color = get_exchange_rate(coin=coin)\n",
    "        except:\n",
    "            price, price_color = \"-------\", \"neutral_color\"\n",
    "        widgets = list(grid.children)\n",
    "        widgets.append(\n",
    "            ipw.HTML(\n",
    "                openbb.widgets.price_card(\n",
    "                    ticker=coin,\n",
    "                    price=price,\n",
    "                    price_color=price_color,\n",
    "                )\n",
    "            )\n",
    "        )\n",
    "        grid.children = tuple(widgets)"
   ]
  },
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   "cell_type": "code",
   "execution_count": null,
   "id": "cf2021e9-de8a-466e-b341-fcd6abda64b5",
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   "outputs": [],
   "source": [
    "update_rates = ipw.Button(description=\"Update rates\")\n",
    "update_rates.on_click(show_rates)\n",
    "header = ipw.HBox([update_rates])\n",
    "\n",
    "layout = ipw.Layout(grid_template_columns=\"1fr \" * 8)\n",
    "grid = ipw.GridBox(\n",
    "    [],\n",
    "    layout=layout,\n",
    ")\n",
    "\n",
    "display(header, grid)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "19dfcbfe-eaec-406e-bb3c-72d1b3538a6e",
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