60 lines
2.3 KiB
Plaintext
Executable File
60 lines
2.3 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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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(description="Buys an SPL token in a Serum market.")
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mango.Context.add_command_line_parameters(parser)
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mango.Wallet.add_command_line_parameters(parser)
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parser.add_argument("--symbol", type=str, required=True, help="market symbol to buy (e.g. ETH/USDC)")
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parser.add_argument("--quantity", type=Decimal, required=True, help="quantity of token to buy")
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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 BUY price (akin to maximum slippage)")
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parser.add_argument("--wait", action="store_true", default=False,
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help="wait until the transaction is confirmed")
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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.Context.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"Context: {context}")
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logging.info(f"Wallet address: {wallet.address}")
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symbol = args.symbol.upper()
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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.SerumImmediateTradeExecutor(context, wallet, adjustment_factor)
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transaction_id = trade_executor.buy(symbol, args.quantity)
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if args.wait:
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logging.info(f"Waiting on {transaction_id}")
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context.wait_for_confirmation(transaction_id)
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logging.info("Buy completed.")
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except Exception as exception:
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logging.critical(f"Buy stopped because of exception: {exception} - {traceback.format_exc()}")
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except:
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logging.critical(f"Buy stopped because of uncatchable error: {traceback.format_exc()}")
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