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#!/usr/bin/env python3
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import argparse
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import itertools
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import logging
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import os
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import os.path
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import rx
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import rx.subject.subject
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import rx.operators as ops
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import sys
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import traceback
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import typing
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from solana.publickey import PublicKey
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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="Run the Transaction Scout to display information about a specific transaction.")
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mango.ContextBuilder.add_command_line_parameters(parser)
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parser.add_argument("--since-state-filename", type=str, default="report.state",
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help="The name of the state file containing the signature of the last transaction looked up")
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parser.add_argument("--instruction-type", type=lambda ins: mango.InstructionType[ins], required=True,
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choices=list(mango.InstructionType),
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help="The signature of the transaction to look up")
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parser.add_argument("--sender", type=PublicKey,
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help="Only transactions sent by this PublicKey will be returned")
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parser.add_argument("--notify-transactions", type=mango.parse_notification_target, action="append", default=[],
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help="The notification target for transaction information")
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parser.add_argument("--notify-successful-transactions", type=mango.parse_notification_target,
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action="append", default=[], help="The notification target for successful transactions")
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parser.add_argument("--notify-failed-transactions", type=mango.parse_notification_target,
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action="append", default=[], help="The notification target for failed transactions")
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parser.add_argument("--notify-errors", type=mango.parse_notification_target, action="append", default=[],
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help="The notification target for errors")
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parser.add_argument("--summarise", action="store_true", default=False,
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help="create a short summary rather than the full TransactionScout details")
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args: argparse.Namespace = mango.parse_args(parser)
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handler = mango.NotificationHandler(mango.CompoundNotificationTarget(args.notify_errors))
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handler.setLevel(logging.ERROR)
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logging.getLogger().addHandler(handler)
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def summariser(context: mango.Context) -> typing.Callable[[mango.TransactionScout], str]:
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def summarise(transaction_scout: mango.TransactionScout) -> str:
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instruction_details: typing.List[str] = []
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instruction_targets: typing.List[str] = []
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for ins in transaction_scout.instructions:
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params = ins.describe_parameters()
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if params == "":
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instruction_details += [f"[{ins.instruction_type.name}]"]
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else:
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instruction_details += [f"[{ins.instruction_type.name}: {params}]"]
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target = ins.target_account
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if target is not None:
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instruction_targets += [str(target)]
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instructions = ", ".join(instruction_details)
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targets = ", ".join(instruction_targets) or "None"
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changes = mango.OwnedInstrumentValue.changes(
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transaction_scout.pre_token_balances, transaction_scout.post_token_balances)
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in_tokens = []
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for ins in transaction_scout.instructions:
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if ins.token_in_account is not None:
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in_tokens += [mango.OwnedInstrumentValue.find_by_owner(changes, ins.token_in_account)]
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out_tokens = []
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for ins in transaction_scout.instructions:
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if ins.token_out_account is not None:
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out_tokens += [mango.OwnedInstrumentValue.find_by_owner(changes, ins.token_out_account)]
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changed_tokens = in_tokens + out_tokens
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changed_tokens_text = ", ".join(
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[f"{tok.token_value.value:,.8f} {tok.token_value.token.name}" for tok in changed_tokens]) or "None"
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success_marker = "✅" if transaction_scout.succeeded else "❌"
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return f"« 🥭 {transaction_scout.timestamp} {success_marker} {transaction_scout.group_name} {instructions}\n From: {transaction_scout.sender}\n Target(s): {targets}\n Token Changes: {changed_tokens_text}\n {transaction_scout.signatures} »"
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return summarise
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try:
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since_signature: str = ""
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if os.path.isfile(args.since_state_filename):
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with open(args.since_state_filename, "r") as state_file:
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since_signature = state_file.read()
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instruction_type = args.instruction_type
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sender = args.sender
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context = mango.ContextBuilder.from_command_line_parameters(args)
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logging.info(f"Since signature: {since_signature}")
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logging.info(f"Filter to instruction type: {instruction_type}")
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first_item_capturer = mango.CaptureFirstItem()
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signatures = mango.fetch_all_recent_transaction_signatures(context)
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oldest_first = reversed(list(itertools.takewhile(lambda sig: sig != since_signature, signatures)))
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pipeline: rx.core.typing.Observable[mango.TransactionScout] = rx.from_(oldest_first).pipe(
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ops.map(first_item_capturer.capture_if_first),
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# ops.map(debug_print_item("Signature:")),
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ops.map(lambda sig: mango.TransactionScout.load_if_available(context, sig)),
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ops.filter(lambda item: item is not None),
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)
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if sender is not None:
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pipeline = pipeline.pipe(
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ops.filter(lambda item: bool(item.sender == sender))
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)
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if instruction_type is not None:
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pipeline = pipeline.pipe(
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ops.filter(lambda item: bool(item.has_any_instruction_of_type(instruction_type)))
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)
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if args.summarise:
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pipeline = pipeline.pipe(
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ops.map(summariser(context))
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)
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fan_out: rx.subject.subject.Subject = rx.subject.subject.Subject()
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fan_out.subscribe(mango.PrintingObserverSubscriber(False))
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fan_out.subscribe(on_next=mango.CompoundNotificationTarget(args.notify_transactions).send) # type: ignore[call-arg]
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on_success = mango.FilteringNotificationTarget(
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mango.CompoundNotificationTarget(args.notify_successful_transactions),
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lambda item: isinstance(item, mango.TransactionScout) and item.succeeded)
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fan_out.subscribe(on_next=on_success.send) # type: ignore[call-arg]
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on_failed = mango.FilteringNotificationTarget(
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mango.CompoundNotificationTarget(args.notify_failed_transactions),
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lambda item: isinstance(item, mango.TransactionScout) and not item.succeeded)
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fan_out.subscribe(on_next=on_failed.send) # type: ignore[call-arg]
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pipeline.subscribe(fan_out)
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if len(signatures) > 0:
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with open(args.since_state_filename, "w") as state_file:
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state_file.write(signatures[0])
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except Exception as exception:
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logging.critical(
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f"report-transactions stopped because of exception: {exception} - {traceback.format_exc()}")
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except:
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logging.critical(
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f"report-transactions stopped because of uncatchable error: {traceback.format_exc()}")
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