def analyze_script_pubkey(script_hex):
    # Convert hex string to raw bytes
    script = bytes.fromhex(script_hex)

    print(f"--- Analyzing ScriptPubKey Fingerprint ---")
    print(f"[*] Hex: {script_hex}")

    # 1. Check for P2PKH Pattern
    # Starts with OP_DUP (0x76) OP_HASH160 (0xa9) and ends with OP_EQUALVERIFY (0x88) OP_CHECKSIG (0xac)
    if script.startswith(b'\x76\xa9') and script.endswith(b'\x88\xac'):
        hash_bytes = script[3:-2]
        print(f"[TYPE] P2PKH (Legacy)")
        print(f"[*] Extracted Hash: {hash_bytes.hex()}")

    # 2. Check for P2SH Pattern
    # Starts with OP_HASH160 (0xa9) and ends with OP_EQUAL (0x87)
    elif script.startswith(b'\xa9') and script.endswith(b'\x87'):
        hash_bytes = script[2:-1]
        print(f"[TYPE] P2SH (Wrapped SegWit/Multi-sig)")
        print(f"[*] Extracted Hash: {hash_bytes.hex()}")

    # 3. Check for Native SegWit (P2WPKH)
    # Starts with 0x00 and length 0x14 (20 bytes)
    elif script.startswith(b'\x00\x14'):
        hash_bytes = script[2:]
        print(f"[TYPE] P2WPKH (Native SegWit)")
        print(f"[*] Extracted Hash: {hash_bytes.hex()}")

    # 4. Check for OP_RETURN
    elif script.startswith(b'\x6a'):
        data = script[1:]
        print(f"[TYPE] OP_RETURN (Unspendable Data)")
        print(f"[*] Embedded Data: {data.hex()}")

    else:
        print("[TYPE] Unknown / Custom Script")

# --- Simulation ---

# Pattern: OP_DUP OP_HASH160 <20-byte-hash> OP_EQUALVERIFY OP_CHECKSIG
p2pkh_sample = "76a91489abcde0123456789abcde0123456789abcde01288ac"
analyze_script_pubkey(p2pkh_sample)

# Pattern: 0x00 0x14 <20-byte-hash>
p2wpkh_sample = "001489abcde0123456789abcde0123456789abcde012"
print("\n")
analyze_script_pubkey(p2wpkh_sample)

# Pattern: OP_RETURN (0x6a) + Data
op_return_sample = "6a0548656c6c6f"
print("\n")
analyze_script_pubkey(op_return_sample)