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docs/ccxt/examples/ccxt.pro/py/okex-watch-margin-balance.py

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+# -*- coding: utf-8 -*-
+
+import asyncio
+import ccxt.pro as ccxt
+from pprint import pprint
+
+
+async def main():
+    exchange = ccxt.pro.okex({
+        'apiKey': 'YOUR_API_KEY',
+        'secret': 'YOUR_SECRET',
+        # okex requires this: https://github.com/ccxt/ccxt/wiki/Manual#authentication
+        'password': 'YOUR_API_PASSWORD',
+        'options': {
+            'watchBalance': 'margin',
+        },
+        # comment it out if you don't want debug output
+        # this is for the demo purpose only (to show the communication)
+        'verbose': True,
+    })
+    while True:
+        try:
+            balance = await exchange.watch_balance({
+                # okex watch_balance requires a symbol or an instrument_id
+                'symbol': 'BTC/USDT',
+            })
+            # it will print the balance update when the balance changes
+            # if the balance remains unchanged the exchange will not send it
+            pprint(balance)
+        except Exception as e:
+            print('watch_balance() failed')
+            print(e)
+            break
+    await exchange.close()
+
+
+asyncio.run(main())