Rewrite, edit and organize examples/websocket demos.

examples/websocket/authenticated/submit_order.py

@@ -0,0 +1,44 @@
+# python -c "import examples.websocket.authenticated.submit_order"
+
+import os
+
+from bfxapi import Client, WSS_HOST
+from bfxapi.enums import Error, OrderType
+from bfxapi.websocket.types import Notification, Order
+
+bfx = Client(
+    WSS_HOST=WSS_HOST,
+    API_KEY=os.getenv("BFX_API_KEY"),
+    API_SECRET=os.getenv("BFX_API_SECRET")
+)
+
+@bfx.wss.on("wss-error")
+def on_wss_error(code: Error, msg: str):
+    print(code, msg)
+
+@bfx.wss.on("authenticated")
+async def on_authenticated(event):
+    print(f"Authentication: {event}")
+
+    await bfx.wss.inputs.submit_order(
+        type=OrderType.EXCHANGE_LIMIT,
+        symbol="tBTCUSD",
+        amount="0.1",
+        price="10000.0"
+    )
+
+    print("The order has been sent.")
+
+@bfx.wss.on("on-req-notification")
+async def on_notification(notification: Notification[Order]):
+    print(f"Notification: {notification}.")
+
+@bfx.wss.on("order_new")
+async def on_order_new(order_new: Order):
+    print(f"Order new: {order_new}")
+
+@bfx.wss.on("subscribed")
+def on_subscribed(subscription):
+    print(f"Subscription successful for <{subscription}>.")
+
+bfx.wss.run()