Topic: Download all Bitcoin public keys that made a transaction (Read 54 times)

import requests
import json
import logging

logging.basicConfig(level=logging.INFO)

def latestblk_h():
    latestblk_url = "https://blockchain.info/latestblock"
    response = requests.get(latestblk_url)
    response.raise_for_status()
    return response.json()['height']

def blk_h(block_h):
    blk_url = f"https://blockchain.info/block-height/{block_h}?format=json"
    response = requests.get(blk_url)
    response.raise_for_status()
    return response.json()['blocks'][0]

def pubkey_script(script):
    pubkey = None
    if len(script) >= 66 and script[-66:][:2] in ["02", "03", "04"]:
        pubkey = script[-66:]
    elif len(script) >= 130 and script[-130:][:2] == "04":
        pubkey = script[-130:]
    return pubkey

def pubkey_witness(witness):
    pubkey = None
    if witness:
        items = witness.split()
        for item in items:
            if len(item) == 66 and item[:2] in ["02", "03"]:
                pubkey = item
            elif len(item) == 130 and item[:2] == "04":
                pubkey = item
    return pubkey

def extract_witness(witness):
    pubkey = None
    if len(witness) >= 66 and witness[-66:][:2] in ["02", "03"]:
        pubkey = witness[-66:]
    return pubkey

def pubkey_txs(tx):
    pubaddr = set()
    for input in tx['inputs']:
        address = input.get('prev_out', {}).get('addr', None)
        pubkey = None
        if 'witness' in input and input['witness']:
            pubkey = extract_witness(input['witness'])
        if not pubkey and 'script' in input and input['script']:
            pubkey = pubkey_script(input['script'])
        if pubkey and address:
            pubaddr.add((pubkey, address))
    return pubaddr

def pubkey_fblk(block):
    pubaddr = set()
    for tx in block['tx']:
        pubaddr.update(pubkey_txs(tx))
    return pubaddr

def save_pubs(pubaddr, filename):
    with open(filename, "a") as f:
        for key, address in pubaddr:
            f.write(f"{key} {address}\n")

def process_blks(start_block, end_block):
    for block_h in range(start_block, end_block + 1):
        logging.info(f"Processing block: {block_h}")
        try:
            block = blk_h(block_h)
            if block is None:
                logging.error(f"Block {block_h} is None")
                continue
            pubaddr = pubkey_fblk(block)
            if not pubaddr:
                logging.warning(f"No public keys found in block {block_h}")
            save_pubs(pubaddr, "pubkeys.txt")
            logging.info(f"Saved {len(pubaddr)} unique public keys and addresses from block {block_h} to pubkeys.txt")
        except requests.RequestException as e:
            logging.error(f"Error fetching block {block_h}: {e}")
        except Exception as e:
            logging.error(f"An unexpected error occurred while processing block {block_h}: {e}")

if __name__ == "__main__":
    start_block = int(input("Start block height: "))
    end_block = int(input("End block height: "))
    if end_block < start_block:
        end_block = latestblk_h()
    process_blks(start_block, end_block)

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import requests
import json
import logging

logging.basicConfig(level=logging.INFO)

def pubkey_script(script):
    pubkey = None
    if len(script) >= 66 and script[-66:][:2] in ["02", "03", "04"]:
        pubkey = script[-66:]
    elif len(script) >= 130 and script[-130:][:2] == "04":
        pubkey = script[-130:]
    return pubkey

def extract_witness(witness):
    pubkey = None
    if len(witness) >= 66 and witness[-66:][:2] in ["02", "03"]:
        pubkey = witness[-66:]
    return pubkey

def pubkey_txs(tx):
    pubaddr = set()
    for input in tx['inputs']:
        address = input.get('prev_out', {}).get('addr', None)
        pubkey = None
        if 'witness' in input and input['witness']:
            pubkey = extract_witness(input['witness'])
        if not pubkey and 'script' in input and input['script']:
            pubkey = pubkey_script(input['script'])
        if pubkey and address:
            pubaddr.add((pubkey, address))
    return pubaddr

def fetch_tx(tx_hash):
    tx_url = f"https://blockchain.info/rawtx/{tx_hash}"
    response = requests.get(tx_url)
    response.raise_for_status()
    return response.json()

def process_tx(tx_hash, filename):
    logging.info(f"Processing tx: {tx_hash}")
    try:
        tx = fetch_tx(tx_hash)
        pubaddr = pubkey_txs(tx)
        if not pubaddr:
            logging.warning(f"No public keys found in transaction {tx_hash}")
        save_pubs(pubaddr, filename)
        logging.info(f"Saved {len(pubaddr)} unique public keys and addresses from transaction {tx_hash} to {filename}")
    except requests.RequestException as e:
        logging.error(f"Error fetching transaction {tx_hash}: {e}")
    except Exception as e:
        logging.error(f"An unexpected error occurred while processing transaction {tx_hash}: {e}")

def save_pubs(pubaddr, filename):
    with open(filename, "a") as f:
        for key, address in pubaddr:
            f.write(f"{key} {address}\n")

if __name__ == "__main__":
    tx_hash = input("Tx hash: ")
    filename = "pubs_tx.txt"
    process_tx(tx_hash, filename)

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#mcdouglasx
import requests
import json
import logging

logging.basicConfig(level=logging.INFO)

def latestblk_h():
    latestblk_url = "https://blockchain.info/latestblock"
    response = requests.get(latestblk_url)
    response.raise_for_status()
    return response.json()['height']

def blk_h(block_h):
    blk_url = f"https://blockchain.info/block-height/{block_h}?format=json"
    response = requests.get(blk_url)
    response.raise_for_status()
    return response.json()['blocks'][0]

def pubkey_script(script):
    pubkey = None
    if len(script) >= 66 and script[-66:][:2] in ["02", "03"]:
        pubkey = script[-66:]
    elif len(script) >= 130 and script[-130:][:2] == "04":
        pubkey = script[-130:]
    return pubkey

def pubkey_witness(witness):
    pubkey = None
    for item in witness:
        if (len(item) == 66 and item[:2] in ["02", "03"]) or (len(item) == 130 and item[:2] == "04"):
            pubkey = item
    return pubkey

def pubkey_txs(tx):
    pubkeys = set()
    for input in tx['inputs']:
        if 'witness' in input and input['witness']:
            pubkey = pubkey_witness(input['witness'])
            if pubkey:
                pubkeys.add(pubkey)
        elif 'script' in input and input['script']:
            pubkey = pubkey_script(input['script'])
            if pubkey:
                pubkeys.add(pubkey)
    return pubkeys

def pubkey_fblk(block):
    pubkeys = set()
    for tx in block['tx']:
        pubkeys.update(pubkey_txs(tx))
    return pubkeys

def save_pubs(pubkeys, filename):
    with open(filename, "a") as f:
        for key in pubkeys:
            f.write(key + "\n")

def process_blks(start_block, end_block):
    for block_h in range(start_block, end_block + 1):
        logging.info(f"Processing block: {block_h}")
        try:
            block = blk_h(block_h)
            pubkeys = pubkey_fblk(block)
            save_pubs(pubkeys, "pubkeys.txt")
            logging.info(f"Saved {len(pubkeys)} unique public keys from block {block_h} to pubkeys.txt")
        except requests.RequestException as e:
            logging.error(f"Error fetching block {block_h}: {e}")

if __name__ == "__main__":
    start_block = int(input("Start block height: "))
    end_block = int(input("End block height: "))
    if end_block < start_block:
        end_block = latestblk_h()
    process_blks(start_block, end_block)