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docs/ccxt/examples/ccxt.pro/py/binance-fetch-balance-snapshot-watch-balance-updates.py

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+# -*- coding: utf-8 -*-
+
+import ccxt.pro
+from asyncio import run
+
+
+print('CCXT Version:', ccxt.__version__)
+
+
+# This example will run silent and will return your balance only when the balance is updated.
+#
+# 1. launch the example with your keys and keep it running
+# 2. go to the trading section on the website
+# 3. place a order on a spot market
+# 4. see your balance updated in the example
+#
+# Warning! This example might produce a lot of output to your screen
+
+
+async def watch_balance(exchange):
+    await exchange.load_markets()
+    # exchange.verbose = True  # uncomment for debugging purposes if necessary
+    balance = await exchange.fetch_balance()
+    print('---------------------------------------------------------')
+    print(exchange.iso8601(exchange.milliseconds()))
+    print(balance)
+    print('')
+    while True:
+        try:
+            update = await exchange.watch_balance()
+            balance = exchange.deep_extend(balance, update)
+            # it will print the balance update when the balance changes
+            # if the balance remains unchanged the exchange will not send it
+            print('---------------------------------------------------------')
+            print(exchange.iso8601(exchange.milliseconds()))
+            print(balance)
+            print('')
+        except Exception as e:
+            print('watch_balance() failed')
+            print(type(e).__name__, str(e))
+            break
+
+
+async def main():
+    exchange = ccxt.pro.binance({
+        'apiKey': 'YOUR_API_KEY',
+        'secret': 'YOUR_SECRET',
+    })
+    await watch_balance(exchange)
+    await exchange.close()
+
+
+run(main())