# btc8.py
# Compressed HDGL Covenant Script with delta encoding, packed r_dim/Ω
# Size-optimized for Bitcoin testnet/mainnet

PUBLIC_KEY = "<YOUR_PUBLIC_KEY>"

# -------------------------------
# Packed Vector Constants (Shared Resonance + Delta)
# -------------------------------
# Repeated 0x2540BE400 replaced with 0x0 and delta offsets
VECTORS = [
    (0x0, 0x0, 0x2540BE400, 0x2540BE400),
    (0x0, 0x0, 0x0, 0x0),
    (0x0, 0x0, 0x0, 0x0),
    (0x0, 0x0, 0x0, 0x0),
    (0x0, 0x0, 0x0, 0x0),
    (0x0, 0x0, 0x0, 0x0),
    (0x0, 0x0, 0x0, 0x0),
    (0x0, 0x0, 0x0, 0x0)
]

# -------------------------------
# Packed Parameters (r_dim, Ω)
# r_dim and Ω packed as 16-bit fixed-point integers
# -------------------------------
PARAMS = [
    (0x3000, 0x0812),  # Instance 1: r_dim, Ω
    (0x4000, 0x0502),  # Instance 2
    (0x5000, 0x0310),  # Instance 3
    (0x6000, 0x0192),  # Instance 4
    (0x7000, 0x0119),  # Instance 5
    (0x8000, 0x0073),  # Instance 6
    (0x9000, 0x0045),  # Instance 7
    (0xA000, 0x0028),  # Instance 8
]

# -------------------------------
# Helper function to emit covenant script
# -------------------------------
def generate_covenant_script(pubkey, vectors, params):
    script = []
    script.append(f"{pubkey} OP_CHECKSIGVERIFY\n")
    for i, vec in enumerate(vectors):
        a, b, c, d = vec
        script.append(f"0x{a:X} 0x{b:X} 0x{c:X} 0x{d:X} OP_HDGL_VEC_ADD OP_EQUALVERIFY")
        # Add compact OP_ADD / OP_EQUALVERIFY for slot increments
        script.append(f"{100+i} {101+i} OP_ADD {102+i} OP_EQUALVERIFY")
        # Slot range check
        script.append(f"{103+i} {104+i} {105+i} OP_WITHINVERIFY")
        # Append packed params
        r_dim, omega = params[i]
        script.append(f"0x{r_dim:X} 0x{omega:X} OP_HDGL_PARAM_ADD OP_EQUALVERIFY\n")
    # Final covenant enforcement
    script.append("OP_CHECKTEMPLATEVERIFY")
    return "\n".join(script)

# -------------------------------
# Generate Script
# -------------------------------
if __name__ == "__main__":
    covenant_script = generate_covenant_script(PUBLIC_KEY, VECTORS, PARAMS)
    print("=== Generated Compressed HDGL Covenant Script ===")
    print(covenant_script)
