Estimates will now be logged during startup

crypto_seller/__init__.py

@@ -212,7 +212,7 @@ def run_auto_sell(config: AutoSellConfig) -> AutoSellRunResults:
         input_amount_available = config.seller.get_depo().get_amount_of_asset(
             config.input_asset,
         )
-        logger.info('Currently own %s %s', input_amount_available, config.input_asset)
+        logger.info('Currently own %s %s', input_amount_available, config.input_asset.raw_short_name())
 
         if input_amount_available > 0:
             amount_to_sell = sample_from_range(rng, config.input_amount_range)
@@ -251,6 +251,52 @@ def run_auto_sell(config: AutoSellConfig) -> AutoSellRunResults:
     )
 
 
+def log_estimates(config: AutoSellConfig):
+    current_balance = config.seller.get_depo().get_amount_of_asset(
+        config.input_asset,
+    )
+
+    average_sleep = (config.interval_range[0] + config.interval_range[1]) / 2
+    average_amount = (config.input_amount_range[0] + config.input_amount_range[1]) / 2
+
+    expected_num_sell_offs = current_balance / average_amount
+    expected_duration = average_sleep * float(expected_num_sell_offs)
+
+    fastest_duration = config.interval_range[0] * float(current_balance / config.input_amount_range[1])
+    slowest_duration = config.interval_range[1] * float(current_balance / config.input_amount_range[0])
+
+    logger.info('Welcome to crypto seller!')
+    config.sleep(1)
+    logger.info('')
+    config.sleep(1)
+    logger.info('I, the great crypto seller, your humble servant, will')
+    logger.info('now analyse your configuration and divine some estimates!')
+    config.sleep(1)
+    logger.info('')
+    config.sleep(1)
+    logger.info('- Current balance: %s %s', current_balance, config.input_asset.raw_short_name())
+    config.sleep(1)
+    logger.info('- Average sleep:   %s seconds', average_sleep)
+    config.sleep(1)
+    logger.info('- Average amount:  %s %s', average_amount, config.input_asset.raw_short_name())
+    config.sleep(1)
+    logger.info('- Expected counts: %s', expected_num_sell_offs)
+    config.sleep(1)
+    logger.info('- Expected time:   %s', expected_duration)
+    config.sleep(1)
+    logger.info('- Fastest time:    %s', fastest_duration)
+    config.sleep(1)
+    logger.info('- Slowest time:    %s', slowest_duration)
+    config.sleep(1)
+    logger.info('')
+    config.sleep(1)
+    logger.info('Do you still want to proceed?')
+    config.sleep(1)
+    logger.info('If not, press CTRL+C within the next 10 seconds...')
+    config.sleep(10)
+    logger.info('')
+
+
 def log_results(results: AutoSellRunResults):
     logger.info('Stats:')
     logger.info('- Num orders:     %s', len(results.order_details))

crypto_seller/__main__.py

@@ -108,6 +108,9 @@ def main():
     args = parse_args()
 
     auto_sell_config = load_config(args.config_file)
+
+    log_estimates(auto_sell_config)
+
     results = run_auto_sell(auto_sell_config)
     logging.info('Sell-offs complete')
     log_results(results)

pytest.ini

@@ -0,0 +1,3 @@
+[pytest]
+log_cli = True
+log_level=INFO

test/test_auto_sell.py

@@ -8,6 +8,7 @@ import fin_depo
 import crypto_seller
 import crypto_seller.order_csv
 
+import pytest
 
 class SellerMock(fin_depo.data.DepoFetcher):
     def __init__(self, asset: fin_defs.Asset, initial_amount: Decimal):
@@ -70,6 +71,8 @@ def test_auto_run():
         sleep=sleep_mock,
     )
 
+    crypto_seller.log_estimates(config)
+
     results = crypto_seller.run_auto_sell(config)
 
     # Check results
@@ -80,4 +83,4 @@ def test_auto_run():
 
     # Check mocks agree
     assert seller_mock.amount_left == 0
-    assert sleep_mock.time_slept == 1000
+    assert sleep_mock.time_slept == 1000 + 23