Added a transaction-scout command.

bin/transaction-scout

@@ -0,0 +1,73 @@
+#!/usr/bin/env pyston3
+
+import os
+import sys
+
+from pathlib import Path
+
+# Get the full path to this script.
+script_path = Path(os.path.realpath(__file__))
+
+# The parent of the script is the bin directory.
+# The parent of the bin directory is the notebook directory.
+# It's this notebook directory we want.
+notebook_directory = script_path.parent.parent
+
+# Add the notebook directory to our import path.
+sys.path.append(str(notebook_directory))
+
+# Add the startup directory to our import path.
+startup_directory = notebook_directory / "meta" / "startup"
+sys.path.append(str(startup_directory))
+
+import argparse
+import logging
+import os.path
+import projectsetup  # noqa: F401
+import traceback
+
+from Constants import WARNING_DISCLAIMER_TEXT
+from Context import Context, default_cluster, default_cluster_url, default_program_id, default_dex_program_id, default_group_name, default_group_id
+from TransactionScout import TransactionScout
+
+# We explicitly want argument parsing to be outside the main try-except block because some arguments
+# (like --help) will cause an exit, which our except: block traps.
+parser = argparse.ArgumentParser(description="Run the Transaction Scout to display information about a specific transaction.")
+parser.add_argument("--cluster", type=str, default=default_cluster,
+                    help="Solana RPC cluster name")
+parser.add_argument("--cluster-url", type=str, default=default_cluster_url,
+                    help="Solana RPC cluster URL")
+parser.add_argument("--program-id", type=str, default=default_program_id,
+                    help="Mango program ID/address")
+parser.add_argument("--dex-program-id", type=str, default=default_dex_program_id,
+                    help="DEX program ID/address")
+parser.add_argument("--group-name", type=str, default=default_group_name,
+                    help="Mango group name")
+parser.add_argument("--group-id", type=str, default=default_group_id,
+                    help="Mango group ID/address")
+parser.add_argument("--id-file", type=str, default="id.json",
+                    help="file containing the JSON-formatted wallet private key")
+parser.add_argument("--signature", type=str, required=True,
+                    help="The signature of the transaction to look up")
+parser.add_argument("--log-level", default=logging.WARNING, type=lambda level: getattr(logging, level),
+                    help="level of verbosity to log (possible values: DEBUG, INFO, WARNING, ERROR, CRITICAL)")
+args = parser.parse_args()
+
+logging.getLogger().setLevel(args.log_level)
+logging.warning(WARNING_DISCLAIMER_TEXT)
+
+try:
+    signature = args.signature
+
+    context = Context(args.cluster, args.cluster_url, args.program_id, args.dex_program_id, args.group_name,
+                      args.group_id)
+
+    logging.info(f"Context: {context}")
+    logging.info(f"Signature: {signature}")
+
+    report = TransactionScout.load(context, signature)
+    print(report)
+except Exception as exception:
+    logging.critical(f"transaction-scout stopped because of exception: {exception} - {traceback.format_exc()}")
+except:
+    logging.critical(f"transaction-scout stopped because of uncatchable error: {traceback.format_exc()}")