57 lines
1.7 KiB
Python
Executable File
57 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import os
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import os.path
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import sys
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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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parser = argparse.ArgumentParser(
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description="Displays the price from the Pyth Network."
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)
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mango.ContextBuilder.add_command_line_parameters(parser)
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parser.add_argument(
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"--provider",
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type=str,
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required=True,
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help="name of the price provider to use (e.g. pyth)",
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)
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parser.add_argument(
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"--market", type=str, required=True, help="market symbol to display (e.g. ETH/USDC)"
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)
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parser.add_argument(
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"--stream",
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action="store_true",
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default=False,
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help="stream the prices until stopped",
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)
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args: argparse.Namespace = mango.parse_args(parser)
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with mango.ContextBuilder.from_command_line_parameters(args) as context:
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oracle_provider: mango.OracleProvider = mango.create_oracle_provider(
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context, args.provider
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)
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market = mango.market(context, args.market)
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oracle = oracle_provider.oracle_for_market(context, market)
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if oracle is None:
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mango.output(
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f"Could not find oracle for market {market.fully_qualified_symbol} from provider {args.provider}."
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)
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else:
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if not args.stream:
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price = oracle.fetch_price(context)
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mango.output(price)
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else:
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mango.output("Press <ENTER> to quit.")
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price_subscription = oracle.to_streaming_observable(context)
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disposable = price_subscription.subscribe(
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mango.PrintingObserverSubscriber(False)
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)
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# Wait - don't exit
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input()
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disposable.dispose()
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