From e005f0104e72c6208e2c4f7afb14add64446907f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mario=20St=C3=B6ckl?= <mstoeck3@hs-mittweida.de>
Date: Mon, 8 Sep 2025 08:06:35 +0000
Subject: [PATCH] =?UTF-8?q?fetch=5Ftx=5Fdetails.py=20hinzugef=C3=BCgt?=
MIME-Version: 1.0
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---
 fetch_tx_details.py | 110 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 fetch_tx_details.py

diff --git a/fetch_tx_details.py b/fetch_tx_details.py
new file mode 100644
index 0000000..1e90638
--- /dev/null
+++ b/fetch_tx_details.py
@@ -0,0 +1,110 @@
+import requests
+import json
+import sys
+from datetime import datetime
+
+# --- Configuration ---
+# The base URL for your mempool API instance.
+BASE_URL = "https://mempool.mikoshi.de/api/tx/"
+
+def format_transaction_details(tx_data):
+    """Formats the JSON data from the API into a human-readable string."""
+    
+    txid = tx_data.get("txid", "N/A")
+    fee = tx_data.get("fee", 0)
+    size = tx_data.get("size", 0)
+    weight = tx_data.get("weight", 0)
+    
+    # Status details
+    status = tx_data.get("status", {})
+    confirmed = status.get("confirmed", False)
+    if confirmed:
+        block_height = status.get("block_height", "N/A")
+        block_time_unix = status.get("block_time", 0)
+        block_time_str = datetime.utcfromtimestamp(block_time_unix).strftime('%Y-%m-%d %H:%M:%S UTC')
+        status_str = f"✅ Confirmed in block {block_height} at {block_time_str}"
+    else:
+        status_str = "⌛ Unconfirmed"
+
+    # --- Start building the output string ---
+    output = []
+    output.append("=" * 80)
+    output.append(f"TRANSACTION DETAILS FOR: {txid}")
+    output.append("=" * 80)
+
+    # General Info
+    output.append("\n--- General ---")
+    output.append(f"Status: {status_str}")
+    output.append(f"Fee: {fee} sats")
+    output.append(f"Size: {size} bytes")
+    output.append(f"Weight: {weight} vB")
+    output.append(f"Fee Rate: {fee/(weight/4):.2f} sat/vB")
+
+    # Inputs (vin)
+    vin = tx_data.get("vin", [])
+    output.append(f"\n--- Inputs ({len(vin)}) ---")
+    if not vin:
+        output.append("No inputs found (likely a coinbase transaction).")
+    for i, an_input in enumerate(vin, 1):
+        prev_txid = an_input.get("txid", "N/A")
+        prev_vout = an_input.get("vout", "N/A")
+        prevout = an_input.get("prevout", {})
+        value = prevout.get("value", "N/A")
+        address = prevout.get("scriptpubkey_address", "Address not available")
+        output.append(f"  {i}. From TX: {prev_txid[:20]}... | Output Index: {prev_vout}")
+        output.append(f"     Value: {value} sats | Spent by: {address}")
+
+    # Outputs (vout)
+    vout = tx_data.get("vout", [])
+    output.append(f"\n--- Outputs ({len(vout)}) ---")
+    for i, an_output in enumerate(vout, 1):
+        value = an_output.get("value", "N/A")
+        address = an_output.get("scriptpubkey_address", "Address not available")
+        output.append(f"  {i}. Value: {value} sats | To Address: {address}")
+
+    output.append("\n" * 2) # Add space before the next transaction
+    return "\n".join(output)
+
+
+def main():
+    """Main function to run the script."""
+    if len(sys.argv) != 3:
+        print("Usage: python fetch_tx_details.py <input_file.txt> <output_file.txt>")
+        sys.exit(1)
+
+    input_filename = sys.argv[1]
+    output_filename = sys.argv[2]
+
+    try:
+        with open(input_filename, 'r') as f:
+            txids = [line.strip() for line in f if line.strip()]
+    except FileNotFoundError:
+        print(f"Error: Input file '{input_filename}' not found.")
+        sys.exit(1)
+
+    print(f"Found {len(txids)} transaction IDs. Fetching details...")
+
+    with open(output_filename, 'w') as out_file:
+        for i, txid in enumerate(txids):
+            print(f"({i+1}/{len(txids)}) Fetching {txid}...")
+            try:
+                response = requests.get(f"{BASE_URL}{txid}", timeout=10)
+                # Check if the request was successful
+                if response.status_code == 200:
+                    data = response.json()
+                    formatted_data = format_transaction_details(data)
+                    out_file.write(formatted_data)
+                else:
+                    error_message = f"Failed to fetch {txid}. Status Code: {response.status_code}. Response: {response.text}\n\n"
+                    print(error_message)
+                    out_file.write(error_message)
+            except requests.RequestException as e:
+                error_message = f"An error occurred while fetching {txid}: {e}\n\n"
+                print(error_message)
+                out_file.write(error_message)
+
+    print(f"\n✅ Done! All details have been saved to '{output_filename}'.")
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file