Main loop implemented

crypto_seller/__init__.py

@@ -3,6 +3,68 @@
 Description TODO.
 """
 
-__all__ = ['__version__']
+__all__ = ['__version__', 'run_auto_sell']
+
+import datetime
+import dataclasses
+import random
+from typing import Any
+import logging
+from decimal import Decimal
+import time
+
+
+import fin_defs
 
 from ._version import __version__
+
+logger = logging.getLogger(__name__)
+logger.setLevel('INFO')
+
+@dataclasses.dataclass
+class AutoSellConfig:
+    sell_amount_range: tuple[Decimal, Decimal]
+    sell_interval_range: tuple[datetime.timedelta, datetime.timedelta]
+    token_input: fin_defs.Asset
+    token_output: fin_defs.Asset
+    exit_when_empty: bool = True
+
+def sample_from_range(rng: random.Random, range: tuple[Any, Any]) -> Any:
+    multiplier = rng.random()
+    if isinstance(range[0], Decimal):
+        multiplier = Decimal(multiplier)
+    return range[0] + (range[1] - range[0]) * multiplier
+
+def determine_available_tokens(token: fin_defs.Asset) -> Decimal:
+    # TODO
+    return Decimal(10000)
+
+def sell_tokens(token_input: fin_defs.Asset, tokens_to_sell: Decimal, token_output: fin_defs.Asset):
+    pass
+
+def run_auto_sell(config: AutoSellConfig):
+    rng = random.SystemRandom()
+
+    while True:
+        # Check that account has tokens.
+        num_tokens_available = determine_available_tokens(config.token_input)
+        logger.info('Currently own %s %s', num_tokens_available, config.token_input)
+
+        if num_tokens_available > 0:
+            tokens_to_sell = sample_from_range(rng, config.sell_amount_range)
+            tokens_to_sell = min(num_tokens_available, tokens_to_sell)
+            logger.info('Attempting to sell %s %s', tokens_to_sell, config.token_input)
+
+            sell_tokens(config.token_input, tokens_to_sell, config.token_output)
+
+            del tokens_to_sell
+        elif config.exit_when_empty:
+            break
+
+        # Time out
+        time_to_sleep = sample_from_range(rng, config.sell_interval_range)
+        time_to_sleep_secs = time_to_sleep.total_seconds()
+        logger.info('Sleeping %s (%d seconds)', time_to_sleep, time_to_sleep_secs)
+        time.sleep(time_to_sleep_secs)
+
+        del num_tokens_available

crypto_seller/__main__.py

@@ -0,0 +1,25 @@
+import datetime
+import logging
+from decimal import Decimal
+import fin_defs
+
+from . import run_auto_sell, AutoSellConfig
+
+logging.basicConfig()
+
+logger = logging.getLogger(__name__)
+logger.setLevel('INFO')
+
+def main():
+    logger.info('Initializing crypto_seller')
+    config = AutoSellConfig(
+        sell_amount_range= (Decimal(100), Decimal(1000)),
+        sell_interval_range= (datetime.timedelta(minutes=20), datetime.timedelta(minutes=60)),
+        token_input= fin_defs.BTC,
+        token_output= fin_defs.USDT,
+        exit_when_empty = True,
+    )
+    run_auto_sell(config)
+
+if __name__ == '__main__':
+    main()