def sign_tx(pks: List[str], spend_bundle: SpendBundle): # This field is the ADDITIONAL_DATA found in the constants additional_data: bytes = bytes.fromhex( "ccd5bb71183532bff220ba46c268991a3ff07eb358e8255a65c30a2dce0e5fbb") puzzle_hash_to_sk: Dict[bytes32, PrivateKey] = {} for p in pks: child_sk: PrivateKey = PrivateKey.from_bytes(bytes.fromhex(p)) # master_private_key = PrivateKey.from_bytes( # bytes.fromhex(p)) # child_sk = master_sk_to_wallet_sk(master_private_key, 242) child_pk: G1Element = child_sk.get_g1() puzzle = puzzle_for_pk(child_pk) puzzle_hash = puzzle.get_tree_hash() puzzle_hash_to_sk[puzzle_hash] = child_sk aggregate_signature: G2Element = G2Element() for coin_solution in spend_bundle.coin_solutions: if coin_solution.coin.puzzle_hash not in puzzle_hash_to_sk: return sk: PrivateKey = puzzle_hash_to_sk[coin_solution.coin.puzzle_hash] synthetic_secret_key: PrivateKey = calculate_synthetic_secret_key( sk, DEFAULT_HIDDEN_PUZZLE_HASH) err, conditions_dict, cost = conditions_dict_for_solution( coin_solution.puzzle_reveal, coin_solution.solution, 11000000000) if err or conditions_dict is None: print( f"Sign transaction failed, con:{conditions_dict}, error: {err}" ) return pk_msgs = pkm_pairs_for_conditions_dict( conditions_dict, bytes(coin_solution.coin.name()), additional_data) assert len(pk_msgs) == 1 _, msg = pk_msgs[0] signature = AugSchemeMPL.sign(synthetic_secret_key, msg) aggregate_signature = AugSchemeMPL.aggregate( [aggregate_signature, signature]) new_spend_bundle = SpendBundle(spend_bundle.coin_solutions, aggregate_signature) # print(json.dumps(new_spend_bundle.to_json_dict())) return json.dumps(new_spend_bundle.to_json_dict())
def round_trip(spend_bundle: SpendBundle, **kwargs): json_dict = spend_bundle.to_json_dict(**kwargs) if kwargs.get("include_legacy_keys", True): assert "coin_solutions" in json_dict else: assert "coin_solutions" not in json_dict if kwargs.get("exclude_modern_keys", True): assert "coin_spends" not in json_dict else: assert "coin_spends" in json_dict if "coin_spends" in json_dict and "coin_solutions" in json_dict: del json_dict["coin_solutions"] sb = SpendBundle.from_json_dict(json_dict) json_dict_2 = sb.to_json_dict() sb = SpendBundle.from_json_dict(json_dict_2) json_dict_3 = sb.to_json_dict() assert json_dict_2 == json_dict_3
async def push_tx(self, spend_bundle: SpendBundle): return await self.fetch("push_tx", {"spend_bundle": spend_bundle.to_json_dict()})
def sign_tx(intermediate_sk: PrivateKey, spend_bundle: SpendBundle, use_hardened_keys: bool): """ Takes in an unsigned transaction (called a spend bundle in chia), and a 24 word mnemonic (master sk) and generates the aggregate BLS signature for the transaction. """ # This field is the ADDITIONAL_DATA found in the constants additional_data: bytes = bytes.fromhex( "ccd5bb71183532bff220ba46c268991a3ff07eb358e8255a65c30a2dce0e5fbb") puzzle_hash_to_sk: Dict[bytes32, PrivateKey] = {} if use_hardened_keys: # Change this loop to scan more keys if you have more for i in range(5000): child_sk: PrivateKey = AugSchemeMPL.derive_child_sk( intermediate_sk, i) child_pk: G1Element = child_sk.get_g1() puzzle = puzzle_for_pk(child_pk) puzzle_hash = puzzle.get_tree_hash() puzzle_hash_to_sk[puzzle_hash] = child_sk else: # Change this loop to scan more keys if you have more for i in range(5000): child_sk: PrivateKey = AugSchemeMPL.derive_child_sk_unhardened( intermediate_sk, i) child_pk: G1Element = child_sk.get_g1() puzzle = puzzle_for_pk(child_pk) puzzle_hash = puzzle.get_tree_hash() puzzle_hash_to_sk[puzzle_hash] = child_sk aggregate_signature: G2Element = G2Element() for coin_solution in spend_bundle.coin_solutions: if coin_solution.coin.puzzle_hash not in puzzle_hash_to_sk: print( f"Puzzle hash {coin_solution.coin.puzzle_hash} not found for this key." ) return sk: PrivateKey = puzzle_hash_to_sk[coin_solution.coin.puzzle_hash] synthetic_secret_key: PrivateKey = calculate_synthetic_secret_key( sk, DEFAULT_HIDDEN_PUZZLE_HASH) err, conditions_dict, cost = conditions_dict_for_solution( coin_solution.puzzle_reveal, coin_solution.solution, 11000000000) if err or conditions_dict is None: print( f"Sign transaction failed, con:{conditions_dict}, error: {err}" ) return pk_msgs = pkm_pairs_for_conditions_dict( conditions_dict, bytes(coin_solution.coin.name()), additional_data) assert len(pk_msgs) == 1 _, msg = pk_msgs[0] signature = AugSchemeMPL.sign(synthetic_secret_key, msg) aggregate_signature = AugSchemeMPL.aggregate( [aggregate_signature, signature]) new_spend_bundle = SpendBundle(spend_bundle.coin_solutions, aggregate_signature) print("") print("Signed spend bundle JSON:\n") print(json.dumps(new_spend_bundle.to_json_dict()))