Improved error recovery

crypto_seller/__init__.py

@@ -216,6 +216,7 @@ def run_auto_sell(
     all_executed_orders: list[fin_depo.data.TradeOrderDetails] = []
     total_sleep_duration = datetime.timedelta(seconds=0)
 
+    try:
         while True:
             # Check that account has tokens.
             input_amount_available = config.seller.get_depo().get_amount_of_asset(
@@ -237,7 +238,9 @@ def run_auto_sell(
                     ROUND_TO_WHOLE,
                     rounding=ROUND_DOWN,
                 )
-            logger.info('Attempting to sell %s %s', amount_to_sell, config.input_asset)
+                logger.info(
+                    'Attempting to sell %s %s', amount_to_sell, config.input_asset,
+                )
 
                 order_details = config.seller.place_market_order(
                     config.input_asset,
@@ -260,6 +263,16 @@ def run_auto_sell(
             total_sleep_duration += time_to_sleep
 
             del input_amount_available
+    except KeyboardInterrupt:
+        logger.warning('Manual interrupt')
+    except RuntimeError:
+        logger.exception(
+            'A unexpected and serious error occured. The program will be winding down',
+        )
+        logger.fatal('Please send the above error message to: mailto:jonjmaa@gmail.com')
+        logger.fatal(
+            'He will attempt to diagnosticate the problem, and help with recovery',
+        )
 
     time_end = datetime.datetime.now(tz=datetime.UTC)
 
@@ -288,41 +301,45 @@ def log_estimates(config: AutoSellConfig):
         current_balance / config.input_amount_range[0],
     )
 
+    minisleep = 0.1
+
+    logger.info('')
     logger.info('Welcome to crypto seller!')
-    config.sleep(1)
+    config.sleep(3)
     logger.info('')
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('I, the great crypto seller, your humble servant, will')
+    config.sleep(minisleep)
     logger.info('now analyse your configuration and divine some estimates!')
-    config.sleep(1)
+    config.sleep(3)
     logger.info('')
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info(
         '- Current balance: %s %s',
         current_balance,
         config.input_asset.raw_short_name(),
     )
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('- Average sleep:   %s seconds', average_sleep)
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info(
         '- Average amount:  %s %s',
         average_amount,
         config.input_asset.raw_short_name(),
     )
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('- Expected counts: %s', expected_num_sell_offs)
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('- Expected time:   %s', expected_duration)
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('- Fastest time:    %s', fastest_duration)
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('- Slowest time:    %s', slowest_duration)
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('')
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('Do you still want to proceed?')
-    config.sleep(1)
+    config.sleep(minisleep)
     logger.info('If not, press CTRL+C within the next 10 seconds...')
     config.sleep(10)
     logger.info('')

crypto_seller/__main__.py

@@ -3,6 +3,7 @@ import datetime
 import json
 import logging
 import logging.handlers
+import sys
 import time
 from decimal import Decimal
 from pathlib import Path
@@ -136,7 +137,10 @@ def main():
     auto_sell_config = load_config(args.config_file)
 
     # Display estimates
+    try:
         log_estimates(auto_sell_config)
+    except KeyboardInterrupt:
+        sys.exit(1)
 
     # Run auto sell
     results = run_auto_sell(