# ===============================
# BTC HDGL Covenant Script Generator
# ===============================
# Fully folded Fibonacci-unique vectors
# Python 3.x
# ===============================

SEED_VECTORS = 2             # Number of initial seed vectors (1–4)
FOLD_DOUBLINGS = [2**i for i in range(24)]  # Doublings for expansion
FIBS = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610]
SEED_PARAMS = [
    ("0x00000000", "0x09502f90"),  # r_dim, omega
    ("0x00000000", "0x12a05f20")
]
CTv_PUBKEY = "<YOUR_PUBLIC_KEY>"

# ------------------------
# Generate Covenant Script
# ------------------------
def generate_hdgl_covenant(seeds=SEED_VECTORS, fold_doublings=FOLD_DOUBLINGS):
    script = [f"{CTv_PUBKEY} OP_CHECKSIGVERIFY"]
    
    vector_count = seeds
    fib_index = 0

    for fold_index, fold_size in enumerate(fold_doublings):
        vector_count *= 2

        # Folding instruction
        script.append(f"OP_VEC_DUP {vector_count//2} OP_HDGL_VEC_ADD OP_EQUALVERIFY")

        # Fibonacci delta for uniqueness
        fib_delta = FIBS[fib_index % len(FIBS)]
        fib_index += 1

        # Select parameter based on fold_index
        param = SEED_PARAMS[fold_index % len(SEED_PARAMS)]
        omega_int = int(param[1], 16)
        omega_min = omega_int + fib_delta
        omega_max = omega_int + fib_delta

        # Add parameter operations
        script.append(f"{vector_count//2} {vector_count//2} OP_HDGL_PARAM_ADD OP_EQUALVERIFY")
        script.append(f"{omega_int} {omega_min} {omega_max} OP_WITHINVERIFY")
        script.append("")  # newline for readability

    script.append("OP_CHECKTEMPLATEVERIFY")
    return '\n'.join(script)

# ------------------------
# Example Usage
# ------------------------
if __name__ == "__main__":
    covenant_script = generate_hdgl_covenant()
    print("=== Generated HDGL Covenant Script ===\n")
    print(covenant_script)
