added example script for swapping

example-swap.py

@@ -0,0 +1,33 @@
+from core import *
+
+tokenA_address = ''
+tokenA_info = get_token_info(tokenA_address)
+tokenB_address = ''
+tokenB_info = get_token_info(tokenB_address)
+
+tokenA_amount = 369
+slippage_percent = 5
+dex = 'PulseX_v2'
+
+wallet_address = ''
+set_logging(wallet_address, 'INFO')
+account = load_wallet(wallet_address, os.getenv('SECRET'))
+
+estimated_swap_result = estimate_swap_result(
+    dex,
+    tokenA_address,
+    tokenB_address,
+    tokenA_amount
+)
+if estimated_swap_result:
+    if swap_tokens(
+            account,
+            dex,
+            [tokenA_address, tokenB_address],
+            estimated_swap_result,
+            slippage_percent,
+            wallet_address
+    ):
+        logging.info("Swapped {} {} to {}".format(tokenA_amount, tokenA_info['symbol'], tokenB_info['symbol']))
+else:
+    logging.warning("No estimated swap result data")