71 lines
2.1 KiB
Python
Executable File
71 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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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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from decimal import Decimal
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sys.path.insert(0, os.path.abspath(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(description="Buys an SPL token in a Serum market.")
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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(
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"--symbol", type=str, required=True, help="market symbol to buy (e.g. ETH/USDC)"
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)
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parser.add_argument(
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"--quantity", type=Decimal, required=True, help="quantity of token to buy"
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)
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parser.add_argument(
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"--adjustment-factor",
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type=Decimal,
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default=Decimal("0.05"),
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help="factor by which to adjust the BUY price (akin to maximum slippage)",
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)
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parser.add_argument(
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"--wait",
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action="store_true",
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default=False,
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help="wait until the transaction is confirmed",
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)
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parser.add_argument(
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"--dry-run",
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action="store_true",
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default=False,
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help="runs as read-only and does not perform any transactions",
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)
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args: argparse.Namespace = mango.parse_args(parser)
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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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adjustment_factor = args.adjustment_factor
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logging.info(f"Wallet address: {wallet.address}")
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if args.dry_run:
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trade_executor: mango.TradeExecutor = mango.NullTradeExecutor()
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else:
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trade_executor = mango.ImmediateTradeExecutor(
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context, wallet, None, adjustment_factor
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)
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order = trade_executor.buy(args.symbol, args.quantity)
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logging.info(f"Buy completed for {order}")
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except Exception as exception:
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logging.critical(
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f"Buy stopped because of exception: {exception} - {traceback.format_exc()}"
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)
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except:
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logging.critical(
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f"Buy stopped because of uncatchable error: {traceback.format_exc()}"
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)
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