71 lines
2.9 KiB
Plaintext
Executable File
71 lines
2.9 KiB
Plaintext
Executable File
#!/usr/bin/env pyston3
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import argparse
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import logging
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import os
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import os.path
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import sys
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import traceback
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import typing
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from decimal import Decimal
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sys.path.insert(0, os.path.abspath(
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os.path.join(os.path.dirname(__file__), "..")))
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import mango # nopep8
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# We explicitly want argument parsing to be outside the main try-except block because some arguments
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# (like --help) will cause an exit, which our except: block traps.
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parser = argparse.ArgumentParser(
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description="Balance the value of tokens in a Mango Markets group to specific values or percentages.")
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mango.ContextBuilder.add_command_line_parameters(parser)
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mango.Wallet.add_command_line_parameters(parser)
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parser.add_argument("--target", type=str, action="append", required=True,
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help="token symbol plus target value or percentage, separated by a colon (e.g. 'ETH:2.5')")
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parser.add_argument("--action-threshold", type=Decimal, default=Decimal("0.01"),
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help="fraction of total wallet value a trade must be above to be carried out")
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parser.add_argument("--adjustment-factor", type=Decimal, default=Decimal("0.05"),
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help="factor by which to adjust the SELL price (akin to maximum slippage)")
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parser.add_argument("--dry-run", action="store_true", default=False,
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help="runs as read-only and does not perform any transactions")
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args = parser.parse_args()
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logging.getLogger().setLevel(args.log_level)
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logging.warning(mango.WARNING_DISCLAIMER_TEXT)
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try:
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context = mango.ContextBuilder.from_command_line_parameters(args)
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wallet = mango.Wallet.from_command_line_parameters_or_raise(args)
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action_threshold = args.action_threshold
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adjustment_factor = args.adjustment_factor
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logging.info(f"Context: {context}")
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logging.info(f"Wallet address: {wallet.address}")
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group = mango.Group.load(context)
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tokens = [token_info.token for token_info in group.tokens if token_info is not None]
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balance_parser = mango.TargetBalanceParser(tokens)
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targets = list(map(balance_parser.parse, args.target))
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logging.info(f"Targets: {targets}")
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# TODO - fetch prices when available for V3.
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# prices = group.fetch_token_prices(context)
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prices: typing.Sequence[mango.TokenValue] = []
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logging.info(f"Prices: {prices}")
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if args.dry_run:
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trade_executor: mango.TradeExecutor = mango.NullTradeExecutor(print)
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else:
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trade_executor = mango.ImmediateTradeExecutor(context, wallet, None, adjustment_factor, print)
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wallet_balancer = mango.LiveWalletBalancer(
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context, wallet, group, trade_executor, action_threshold, tokens, targets)
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wallet_balancer.balance(prices)
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logging.info("Balancing completed.")
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except Exception as exception:
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logging.critical(f"Balancing stopped because of exception: {exception} - {traceback.format_exc()}")
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except:
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logging.critical(f"Balancing stopped because of uncatchable error: {traceback.format_exc()}")
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