key gen

gen.log

user@g94 ~/src/ghostsomething $ uv run gen.py 
========================================
🔒 GHOST-TIP MINT KEY GENERATION UTILITY
========================================

--- [1] SECP256K1 IDENTITY KEYS ---
MINT_IDENTITY_PRIVKEY_HEX (Python .env) : 0x22d0660777583e8d539991fb0f3b3e93ee1a1137d245e70be103ec7c223e2d20
MINT_IDENTITY_PUBKEY      (Frontend TS) : 0x03ffe59db59efa387524902c29a91e9a8a8102aba294b17269e111d3a66141b1ca

--- [2] BN254 BLS KEYS ---
MINT_BLS_PRIVKEY_INT      (Python .env) : 20039963676432430907863765051914022724331012657499563741125354131636076685515

PK_MINT_SOLIDITY          (Smart Contract):
[4841927008653339574974194095432166215193429065775517885539601443847116354259,
 19953233022014287473621921793059794286416051202301779034244565308615443699185,
 4016398327507360094870864384150532403047872794108719217963763835037823324995,
 13950460623292641526021521646291107281098077903592978537085398164831610421682]

PK_MINT_TYPESCRIPT        (Frontend TS):
['0xab46efe6ab11eddc0cd5eafe81553e00ccf13f5259c10325d82a05ed762f2d3',
 '0x2c1d21328377daf0d9d6e0c86bc7c05a726bdacface51413f42afa3e1b8d55f1',
 '0x8e1336dcccd6fee6754516602806ac52451d3100af4423b566ddd977240d343',
 '0x1ed7ae4f7d079d5f9bc2e5f0bcb3ac282443c97e7a9b5f4b280ac917ea0541b2']

gen.py

import os
from eth_keys import keys
from py_ecc.bn128 import curve_order, G2, multiply

def generate_keys():
    print("========================================")
    print("🔒 GHOST-TIP MINT KEY GENERATION UTILITY")
    print("========================================\n")

    # ---------------------------------------------------------
    # 1. SECP256K1 IDENTITY KEY (ECDH Return Channel)
    # ---------------------------------------------------------
    identity_priv_bytes = os.urandom(32)
    identity_priv_key = keys.PrivateKey(identity_priv_bytes)
    identity_pub_compressed = identity_priv_key.public_key.to_compressed_bytes().hex()

    print("--- [1] SECP256K1 IDENTITY KEYS ---")
    print(f"MINT_IDENTITY_PRIVKEY_HEX (Python .env) : 0x{identity_priv_key.to_hex()[2:]}")
    print(f"MINT_IDENTITY_PUBKEY      (Frontend TS) : 0x{identity_pub_compressed}\n")

    # ---------------------------------------------------------
    # 2. BN254 BLIND SIGNATURE KEY
    # ---------------------------------------------------------
    sk_bytes = os.urandom(32)
    sk_int = int.from_bytes(sk_bytes, 'big') % curve_order
    
    # Calculate PK_mint = sk * G2
    pk_g2 = multiply(G2, sk_int)

    # Extract coordinates
    # py_ecc G2 points are tuples of FQ2 polynomials: ((x.real, x.imag), (y.real, y.imag))
    # Note: Solidity ecPairing expects: [x.imag, x.real, y.imag, y.real]
    x_real = pk_g2[0].coeffs[0].n
    x_imag = pk_g2[0].coeffs[1].n
    y_real = pk_g2[1].coeffs[0].n
    y_imag = pk_g2[1].coeffs[1].n

    print("--- [2] BN254 BLS KEYS ---")
    print(f"MINT_BLS_PRIVKEY_INT      (Python .env) : {sk_int}\n")

    # Format for Solidity (Base-10 Integers)
    print("PK_MINT_SOLIDITY          (Smart Contract):")
    print(f"[{x_imag},\n {x_real},\n {y_imag},\n {y_real}]\n")

    # Format for TypeScript / mcl-wasm (Hex Strings)
    print("PK_MINT_TYPESCRIPT        (Frontend TS):")
    print(f"['{hex(x_imag)}',\n '{hex(x_real)}',\n '{hex(y_imag)}',\n '{hex(y_real)}']\n")

if __name__ == "__main__":
    generate_keys()

pyproject.toml

[project]
name = "ghostsomething"
version = "0.1.0"
description = "Add your description here"
readme = "README.md"
requires-python = ">=3.13"
dependencies = [
    "eth-keys>=0.7.0",
    "py-ecc>=8.0.0",
]