def add_to_potential_tx_set(self, spend: SpendBundle): """ Adds SpendBundles that have failed to be added to the pool in potential tx set. This is later used to retry to add them. """ self.potential_txs[spend.name()] = spend while len(self.potential_txs) > self.potential_cache_size: first_in = list(self.potential_txs.keys())[0] self.potential_txs.pop(first_in)
async def respond_to_offer( self, file_path: Path ) -> Tuple[bool, Optional[TradeRecord], Optional[str]]: has_wallets = await self.maybe_create_wallets_for_offer(file_path) if not has_wallets: return False, None, "Unknown Error" trade_offer_hex = file_path.read_text() trade_offer: TradeRecord = TradeRecord.from_bytes( hexstr_to_bytes(trade_offer_hex)) offer_spend_bundle = trade_offer.spend_bundle coinsols = [] # [] of CoinSolutions cc_coinsol_outamounts: Dict[bytes32, List[Tuple[Any, int]]] = dict() # Used for generating auditor solution, key is colour auditees: Dict[bytes32, List[Tuple[bytes32, bytes32, Any, int]]] = dict() aggsig = offer_spend_bundle.aggregated_signature cc_discrepancies: Dict[bytes32, int] = dict() chia_discrepancy = None wallets: Dict[bytes32, Any] = dict() # colour to wallet dict for coinsol in offer_spend_bundle.coin_solutions: puzzle = coinsol.solution.first() solution = coinsol.solution.rest().first() # work out the deficits between coin amount and expected output for each if cc_wallet_puzzles.check_is_cc_puzzle(puzzle): if not cc_wallet_puzzles.is_ephemeral_solution(solution): # Calculate output amounts colour = cc_wallet_puzzles.get_genesis_from_puzzle(puzzle) if colour not in wallets: wallets[ colour] = await self.wallet_state_manager.get_wallet_for_colour( colour) unspent = await self.wallet_state_manager.get_spendable_coins_for_wallet( wallets[colour].wallet_info.id) if coinsol.coin in [record.coin for record in unspent]: return False, None, "can't respond to own offer" innerpuzzlereveal = cc_wallet_puzzles.inner_puzzle( solution) innersol = cc_wallet_puzzles.inner_puzzle_solution( solution) out_amount = cc_wallet_puzzles.get_output_amount_for_puzzle_and_solution( innerpuzzlereveal, innersol) if colour in cc_discrepancies: cc_discrepancies[ colour] += coinsol.coin.amount - out_amount else: cc_discrepancies[ colour] = coinsol.coin.amount - out_amount # Store coinsol and output amount for later if colour in cc_coinsol_outamounts: cc_coinsol_outamounts[colour].append( (coinsol, out_amount)) else: cc_coinsol_outamounts[colour] = [(coinsol, out_amount)] # auditees should be (primary_input, innerpuzhash, coin_amount, output_amount) if colour in auditees: auditees[colour].append(( coinsol.coin.parent_coin_info, Program(innerpuzzlereveal).get_tree_hash(), coinsol.coin.amount, out_amount, )) else: auditees[colour] = [( coinsol.coin.parent_coin_info, Program(innerpuzzlereveal).get_tree_hash(), coinsol.coin.amount, out_amount, )] else: coinsols.append(coinsol) else: # standard chia coin unspent = await self.wallet_state_manager.get_spendable_coins_for_wallet( 1) if coinsol.coin in [record.coin for record in unspent]: return False, None, "can't respond to own offer" if chia_discrepancy is None: chia_discrepancy = cc_wallet_puzzles.get_output_discrepancy_for_puzzle_and_solution( coinsol.coin, puzzle, solution) else: chia_discrepancy += cc_wallet_puzzles.get_output_discrepancy_for_puzzle_and_solution( coinsol.coin, puzzle, solution) coinsols.append(coinsol) chia_spend_bundle: Optional[SpendBundle] = None if chia_discrepancy is not None: chia_spend_bundle = await self.wallet_state_manager.main_wallet.create_spend_bundle_relative_chia( chia_discrepancy, []) zero_spend_list: List[SpendBundle] = [] # create coloured coin self.log.info(cc_discrepancies) for colour in cc_discrepancies.keys(): if cc_discrepancies[colour] < 0: my_cc_spends = await wallets[colour].select_coins( abs(cc_discrepancies[colour])) else: if chia_spend_bundle is None: to_exclude: List = [] else: to_exclude = chia_spend_bundle.removals() my_cc_spends = await wallets[colour].select_coins(0) if my_cc_spends is None or my_cc_spends == set(): zero_spend_bundle: SpendBundle = await wallets[ colour].generate_zero_val_coin(False, to_exclude) if zero_spend_bundle is None: return ( False, None, "Unable to generate zero value coin. Confirm that you have chia available", ) zero_spend_list.append(zero_spend_bundle) additions = zero_spend_bundle.additions() removals = zero_spend_bundle.removals() my_cc_spends = set() for add in additions: if add not in removals and add.amount == 0: my_cc_spends.add(add) if my_cc_spends == set() or my_cc_spends is None: return False, None, "insufficient funds" auditor = my_cc_spends.pop() auditor_inner_puzzle = await self.get_inner_puzzle_for_puzzle_hash( auditor.puzzle_hash) assert auditor_inner_puzzle is not None inner_hash = auditor_inner_puzzle.get_tree_hash() auditor_info = ( auditor.parent_coin_info, inner_hash, auditor.amount, ) core = cc_wallet_puzzles.cc_make_core(colour) parent_info = await wallets[colour].get_parent_for_coin(auditor) for coloured_coin in my_cc_spends: inner_solution = self.wallet_state_manager.main_wallet.make_solution( consumed=[auditor.name()]) sig = await wallets[ colour].get_sigs_for_innerpuz_with_innersol( await self.get_inner_puzzle_for_puzzle_hash( coloured_coin.puzzle_hash), inner_solution, ) aggsig = AugSchemeMPL.aggregate([sig, aggsig]) inner_puzzle = await self.get_inner_puzzle_for_puzzle_hash( coloured_coin.puzzle_hash) assert inner_puzzle is not None # auditees should be (primary_input, innerpuzhash, coin_amount, output_amount) auditees[colour].append(( coloured_coin.parent_coin_info, inner_puzzle.get_tree_hash(), coloured_coin.amount, 0, )) solution = cc_wallet_puzzles.cc_make_solution( core, ( parent_info.parent_name, parent_info.inner_puzzle_hash, parent_info.amount, ), coloured_coin.amount, binutils.disassemble(inner_puzzle), binutils.disassemble(inner_solution), auditor_info, None, ) coin_spend = CoinSolution( coloured_coin, Program.to([ cc_wallet_puzzles.cc_make_puzzle( inner_puzzle.get_tree_hash(), core, ), solution, ]), ) coinsols.append(coin_spend) ephemeral = cc_wallet_puzzles.create_spend_for_ephemeral( coloured_coin, auditor, 0) coinsols.append(ephemeral) auditor = cc_wallet_puzzles.create_spend_for_auditor( auditor, coloured_coin) coinsols.append(auditor) # Tweak the offer's solution to include the new auditor for cc_coinsol_out in cc_coinsol_outamounts[colour]: cc_coinsol = cc_coinsol_out[0] new_solution = cc_wallet_puzzles.update_auditors_in_solution( cc_coinsol.solution, auditor_info) new_coinsol = CoinSolution(cc_coinsol.coin, new_solution) coinsols.append(new_coinsol) eph = cc_wallet_puzzles.create_spend_for_ephemeral( cc_coinsol.coin, auditor, cc_coinsol_out[1]) coinsols.append(eph) aud = cc_wallet_puzzles.create_spend_for_auditor( auditor, cc_coinsol.coin) coinsols.append(aud) # Finish the auditor CoinSolution with new information newinnerpuzhash = await wallets[colour].get_new_inner_hash() outputamount = (sum([c.amount for c in my_cc_spends]) + cc_discrepancies[colour] + auditor.amount) innersol = self.wallet_state_manager.main_wallet.make_solution( primaries=[{ "puzzlehash": newinnerpuzhash, "amount": outputamount }]) parent_info = await wallets[colour].get_parent_for_coin(auditor) auditees[colour].append(( auditor.parent_coin_info, auditor_inner_puzzle.get_tree_hash(), auditor.amount, outputamount, )) sigs: List[G2Element] = await wallets[colour].get_sigs( auditor_inner_puzzle, innersol) aggsig = AugSchemeMPL.aggregate(sigs + [aggsig]) solution = cc_wallet_puzzles.cc_make_solution( core, ( parent_info.parent_name, parent_info.inner_puzzle_hash, parent_info.amount, ), auditor.amount, binutils.disassemble(auditor_inner_puzzle), binutils.disassemble(innersol), auditor_info, auditees[colour], ) cs = CoinSolution( auditor, Program.to([ cc_wallet_puzzles.cc_make_puzzle( auditor_inner_puzzle.get_tree_hash(), core), solution, ]), ) coinsols.append(cs) cs_eph = create_spend_for_ephemeral(auditor, auditor, outputamount) coinsols.append(cs_eph) cs_aud = create_spend_for_auditor(auditor, auditor) coinsols.append(cs_aud) spend_bundle = SpendBundle(coinsols, aggsig) my_tx_records = [] if zero_spend_list is not None: zero_spend_list.append(spend_bundle) spend_bundle = SpendBundle.aggregate(zero_spend_list) # Add transaction history hor this trade now = uint64(int(time.time())) if chia_spend_bundle is not None: spend_bundle = SpendBundle.aggregate( [spend_bundle, chia_spend_bundle]) if chia_discrepancy < 0: tx_record = TransactionRecord( confirmed_at_index=uint32(0), created_at_time=now, to_puzzle_hash=token_bytes(), amount=uint64(abs(chia_discrepancy)), fee_amount=uint64(0), incoming=False, confirmed=False, sent=uint32(10), spend_bundle=chia_spend_bundle, additions=chia_spend_bundle.additions(), removals=chia_spend_bundle.removals(), wallet_id=uint32(1), sent_to=[], trade_id=std_hash(spend_bundle.name() + bytes(now)), ) else: tx_record = TransactionRecord( confirmed_at_index=uint32(0), created_at_time=uint64(int(time.time())), to_puzzle_hash=token_bytes(), amount=uint64(abs(chia_discrepancy)), fee_amount=uint64(0), incoming=True, confirmed=False, sent=uint32(10), spend_bundle=chia_spend_bundle, additions=chia_spend_bundle.additions(), removals=chia_spend_bundle.removals(), wallet_id=uint32(1), sent_to=[], trade_id=std_hash(spend_bundle.name() + bytes(now)), ) my_tx_records.append(tx_record) for colour, amount in cc_discrepancies.items(): wallet = wallets[colour] if chia_discrepancy > 0: tx_record = TransactionRecord( confirmed_at_index=uint32(0), created_at_time=uint64(int(time.time())), to_puzzle_hash=token_bytes(), amount=uint64(abs(amount)), fee_amount=uint64(0), incoming=False, confirmed=False, sent=uint32(10), spend_bundle=spend_bundle, additions=spend_bundle.additions(), removals=spend_bundle.removals(), wallet_id=wallet.wallet_info.id, sent_to=[], trade_id=std_hash(spend_bundle.name() + bytes(now)), ) else: tx_record = TransactionRecord( confirmed_at_index=uint32(0), created_at_time=uint64(int(time.time())), to_puzzle_hash=token_bytes(), amount=uint64(abs(amount)), fee_amount=uint64(0), incoming=True, confirmed=False, sent=uint32(10), spend_bundle=spend_bundle, additions=spend_bundle.additions(), removals=spend_bundle.removals(), wallet_id=wallet.wallet_info.id, sent_to=[], trade_id=std_hash(spend_bundle.name() + bytes(now)), ) my_tx_records.append(tx_record) tx_record = TransactionRecord( confirmed_at_index=uint32(0), created_at_time=uint64(int(time.time())), to_puzzle_hash=token_bytes(), amount=uint64(0), fee_amount=uint64(0), incoming=False, confirmed=False, sent=uint32(0), spend_bundle=spend_bundle, additions=spend_bundle.additions(), removals=spend_bundle.removals(), wallet_id=uint32(0), sent_to=[], trade_id=std_hash(spend_bundle.name() + bytes(now)), ) now = uint64(int(time.time())) trade_record: TradeRecord = TradeRecord( confirmed_at_index=uint32(0), accepted_at_time=now, created_at_time=now, my_offer=False, sent=uint32(0), spend_bundle=offer_spend_bundle, tx_spend_bundle=spend_bundle, additions=spend_bundle.additions(), removals=spend_bundle.removals(), trade_id=std_hash(spend_bundle.name() + bytes(now)), status=uint32(TradeStatus.PENDING_CONFIRM.value), sent_to=[], ) await self.save_trade(trade_record) await self.wallet_state_manager.add_pending_transaction(tx_record) for tx in my_tx_records: await self.wallet_state_manager.add_transaction(tx) return True, trade_record, None
async def add_spendbundle( self, new_spend: SpendBundle, to_pool: Mempool = None ) -> Tuple[Optional[uint64], MempoolInclusionStatus, Optional[Err]]: """ Tries to add spendbundle to either self.mempools or to_pool if it's specified. Returns true if it's added in any of pools, Returns error if it fails. """ self.seen_bundle_hashes[new_spend.name()] = new_spend.name() self.maybe_pop_seen() # Calculate the cost and fees program = best_solution_program(new_spend) # npc contains names of the coins removed, puzzle_hashes and their spend conditions fail_reason, npc_list, cost = calculate_cost_of_program(program) if fail_reason: return None, MempoolInclusionStatus.FAILED, fail_reason # build removal list removal_names: List[bytes32] = new_spend.removal_names() additions = new_spend.additions() additions_dict: Dict[bytes32, Coin] = {} for add in additions: additions_dict[add.name()] = add addition_amount = uint64(0) # Check additions for max coin amount for coin in additions: if coin.amount >= uint64.from_bytes(self.constants["MAX_COIN_AMOUNT"]): return ( None, MempoolInclusionStatus.FAILED, Err.COIN_AMOUNT_EXCEEDS_MAXIMUM, ) addition_amount = uint64(addition_amount + coin.amount) # Check for duplicate outputs addition_counter = collections.Counter(_.name() for _ in additions) for k, v in addition_counter.items(): if v > 1: return None, MempoolInclusionStatus.FAILED, Err.DUPLICATE_OUTPUT # Spend might be valid for one pool but not for other added_count = 0 errors: List[Err] = [] targets: List[Mempool] # If the transaction is added to potential set (to be retried), this is set. added_to_potential: bool = False potential_error: Optional[Err] = None if to_pool is not None: targets = [to_pool] else: targets = list(self.mempools.values()) for pool in targets: # Skip if already added if new_spend.name() in pool.spends: added_count += 1 continue removal_record_dict: Dict[bytes32, CoinRecord] = {} removal_coin_dict: Dict[bytes32, Coin] = {} unknown_unspent_error: bool = False removal_amount = uint64(0) for name in removal_names: removal_record = await self.unspent_store.get_coin_record( name, pool.header ) if removal_record is None and name not in additions_dict: unknown_unspent_error = True break elif name in additions_dict: removal_coin = additions_dict[name] removal_record = CoinRecord( removal_coin, uint32(pool.header.height + 1), uint32(0), False, False, ) assert removal_record is not None removal_amount = uint64(removal_amount + removal_record.coin.amount) removal_record_dict[name] = removal_record removal_coin_dict[name] = removal_record.coin if unknown_unspent_error: errors.append(Err.UNKNOWN_UNSPENT) continue if addition_amount > removal_amount: return None, MempoolInclusionStatus.FAILED, Err.MINTING_COIN fees = removal_amount - addition_amount if cost == 0: return None, MempoolInclusionStatus.FAILED, Err.UNKNOWN fees_per_cost: float = fees / cost # If pool is at capacity check the fee, if not then accept even without the fee if pool.at_full_capacity(): if fees == 0: errors.append(Err.INVALID_FEE_LOW_FEE) continue if fees_per_cost < pool.get_min_fee_rate(): errors.append(Err.INVALID_FEE_LOW_FEE) continue # Check removals against UnspentDB + DiffStore + Mempool + SpendBundle # Use this information later when constructing a block fail_reason, conflicts = await self.check_removals( removal_record_dict, pool ) # If there is a mempool conflict check if this spendbundle has a higher fee per cost than all others tmp_error: Optional[Err] = None conflicting_pool_items: Dict[bytes32, MempoolItem] = {} if fail_reason is Err.MEMPOOL_CONFLICT: for conflicting in conflicts: sb: MempoolItem = pool.removals[conflicting.name()] conflicting_pool_items[sb.name] = sb for item in conflicting_pool_items.values(): if item.fee_per_cost >= fees_per_cost: tmp_error = Err.MEMPOOL_CONFLICT self.add_to_potential_tx_set(new_spend) added_to_potential = True potential_error = Err.MEMPOOL_CONFLICT break elif fail_reason: errors.append(fail_reason) continue if tmp_error: errors.append(tmp_error) continue # Verify conditions, create hash_key list for aggsig check hash_key_pairs = [] error: Optional[Err] = None for npc in npc_list: coin_record: CoinRecord = removal_record_dict[npc.coin_name] # Check that the revealed removal puzzles actually match the puzzle hash if npc.puzzle_hash != coin_record.coin.puzzle_hash: log.warning( f"Mempool rejecting transaction because of wrong puzzle_hash" ) log.warning(f"{npc.puzzle_hash} != {coin_record.coin.puzzle_hash}") return None, MempoolInclusionStatus.FAILED, Err.WRONG_PUZZLE_HASH error = mempool_check_conditions_dict( coin_record, new_spend, npc.condition_dict, pool ) if error: if ( error is Err.ASSERT_BLOCK_INDEX_EXCEEDS_FAILED or error is Err.ASSERT_BLOCK_AGE_EXCEEDS_FAILED ): self.add_to_potential_tx_set(new_spend) added_to_potential = True potential_error = error break hash_key_pairs.extend( hash_key_pairs_for_conditions_dict( npc.condition_dict, npc.coin_name ) ) if error: errors.append(error) continue # Verify aggregated signature if not new_spend.aggregated_signature.validate(hash_key_pairs): return None, MempoolInclusionStatus.FAILED, Err.BAD_AGGREGATE_SIGNATURE # Remove all conflicting Coins and SpendBundles if fail_reason: mitem: MempoolItem for mitem in conflicting_pool_items.values(): pool.remove_spend(mitem) new_item = MempoolItem(new_spend, fees_per_cost, uint64(fees), uint64(cost)) pool.add_to_pool(new_item, additions, removal_coin_dict) added_count += 1 if added_count > 0: return uint64(cost), MempoolInclusionStatus.SUCCESS, None elif added_to_potential: return uint64(cost), MempoolInclusionStatus.PENDING, potential_error else: return None, MempoolInclusionStatus.FAILED, errors[0]
async def add_spendbundle( self, new_spend: SpendBundle, cached_result: Optional[CostResult] = None ) -> Tuple[Optional[uint64], MempoolInclusionStatus, Optional[Err]]: """ Tries to add spendbundle to either self.mempools or to_pool if it's specified. Returns true if it's added in any of pools, Returns error if it fails. """ if self.peak is None: return None, MempoolInclusionStatus.FAILED, Err.MEMPOOL_NOT_INITIALIZED self.seen_bundle_hashes[new_spend.name()] = new_spend.name() self.maybe_pop_seen() if cached_result is None: # Calculate the cost and fees program = best_solution_program(new_spend) # npc contains names of the coins removed, puzzle_hashes and their spend conditions cached_result = calculate_cost_of_program( program, self.constants.CLVM_COST_RATIO_CONSTANT, True) npc_list = cached_result.npc_list cost = cached_result.cost if cached_result.error is not None: return None, MempoolInclusionStatus.FAILED, Err( cached_result.error) # build removal list removal_names: List[bytes32] = new_spend.removal_names() additions = new_spend.additions() additions_dict: Dict[bytes32, Coin] = {} for add in additions: additions_dict[add.name()] = add addition_amount = uint64(0) # Check additions for max coin amount for coin in additions: if coin.amount >= self.constants.MAX_COIN_AMOUNT: return ( None, MempoolInclusionStatus.FAILED, Err.COIN_AMOUNT_EXCEEDS_MAXIMUM, ) addition_amount = uint64(addition_amount + coin.amount) # Check for duplicate outputs addition_counter = collections.Counter(_.name() for _ in additions) for k, v in addition_counter.items(): if v > 1: return None, MempoolInclusionStatus.FAILED, Err.DUPLICATE_OUTPUT # Check for duplicate inputs removal_counter = collections.Counter(name for name in removal_names) for k, v in removal_counter.items(): if v > 1: return None, MempoolInclusionStatus.FAILED, Err.DOUBLE_SPEND # Skip if already added if new_spend.name() in self.mempool.spends: return uint64(cost), MempoolInclusionStatus.SUCCESS, None removal_record_dict: Dict[bytes32, CoinRecord] = {} removal_coin_dict: Dict[bytes32, Coin] = {} unknown_unspent_error: bool = False removal_amount = uint64(0) for name in removal_names: removal_record = await self.coin_store.get_coin_record(name) if removal_record is None and name not in additions_dict: unknown_unspent_error = True break elif name in additions_dict: removal_coin = additions_dict[name] # TODO(straya): what timestamp to use here? removal_record = CoinRecord( removal_coin, uint32(self.peak.height + 1), uint32(0), False, False, uint64(int(time.time())), ) assert removal_record is not None removal_amount = uint64(removal_amount + removal_record.coin.amount) removal_record_dict[name] = removal_record removal_coin_dict[name] = removal_record.coin if unknown_unspent_error: return None, MempoolInclusionStatus.FAILED, Err.UNKNOWN_UNSPENT if addition_amount > removal_amount: print(addition_amount, removal_amount) return None, MempoolInclusionStatus.FAILED, Err.MINTING_COIN fees = removal_amount - addition_amount assert_fee_sum: uint64 = uint64(0) for npc in npc_list: if ConditionOpcode.ASSERT_FEE in npc.condition_dict: fee_list: List[ConditionVarPair] = npc.condition_dict[ ConditionOpcode.ASSERT_FEE] for cvp in fee_list: fee = int_from_bytes(cvp.vars[0]) assert_fee_sum = assert_fee_sum + fee if fees < assert_fee_sum: return ( None, MempoolInclusionStatus.FAILED, Err.ASSERT_FEE_CONDITION_FAILED, ) if cost == 0: return None, MempoolInclusionStatus.FAILED, Err.UNKNOWN fees_per_cost: float = fees / cost # If pool is at capacity check the fee, if not then accept even without the fee if self.mempool.at_full_capacity(): if fees == 0: return None, MempoolInclusionStatus.FAILED, Err.INVALID_FEE_LOW_FEE if fees_per_cost < self.mempool.get_min_fee_rate(): return None, MempoolInclusionStatus.FAILED, Err.INVALID_FEE_LOW_FEE # Check removals against UnspentDB + DiffStore + Mempool + SpendBundle # Use this information later when constructing a block fail_reason, conflicts = await self.check_removals(removal_record_dict) # If there is a mempool conflict check if this spendbundle has a higher fee per cost than all others tmp_error: Optional[Err] = None conflicting_pool_items: Dict[bytes32, MempoolItem] = {} if fail_reason is Err.MEMPOOL_CONFLICT: for conflicting in conflicts: sb: MempoolItem = self.mempool.removals[conflicting.name()] conflicting_pool_items[sb.name] = sb for item in conflicting_pool_items.values(): if item.fee_per_cost >= fees_per_cost: self.add_to_potential_tx_set(new_spend, cached_result) return ( uint64(cost), MempoolInclusionStatus.PENDING, Err.MEMPOOL_CONFLICT, ) elif fail_reason: return None, MempoolInclusionStatus.FAILED, fail_reason if tmp_error: return None, MempoolInclusionStatus.FAILED, tmp_error # Verify conditions, create hash_key list for aggsig check pks: List[G1Element] = [] msgs: List[bytes32] = [] error: Optional[Err] = None for npc in npc_list: coin_record: CoinRecord = removal_record_dict[npc.coin_name] # Check that the revealed removal puzzles actually match the puzzle hash if npc.puzzle_hash != coin_record.coin.puzzle_hash: log.warning( "Mempool rejecting transaction because of wrong puzzle_hash" ) log.warning( f"{npc.puzzle_hash} != {coin_record.coin.puzzle_hash}") return None, MempoolInclusionStatus.FAILED, Err.WRONG_PUZZLE_HASH error = mempool_check_conditions_dict(coin_record, new_spend, npc.condition_dict, uint32(self.peak.height + 1)) if error: if error is Err.ASSERT_BLOCK_INDEX_EXCEEDS_FAILED or error is Err.ASSERT_BLOCK_AGE_EXCEEDS_FAILED: self.add_to_potential_tx_set(new_spend, cached_result) return uint64(cost), MempoolInclusionStatus.PENDING, error break for pk, message in pkm_pairs_for_conditions_dict( npc.condition_dict, npc.coin_name): pks.append(pk) msgs.append(message) if error: return None, MempoolInclusionStatus.FAILED, error # Verify aggregated signature if len(pks) == 0 and len(msgs) == 0: validates = new_spend.aggregated_signature == G2Element.infinity() else: validates = AugSchemeMPL.aggregate_verify( pks, msgs, new_spend.aggregated_signature) if not validates: log.warning(f"Aggsig validation error {pks} {msgs} {new_spend}") return None, MempoolInclusionStatus.FAILED, Err.BAD_AGGREGATE_SIGNATURE # Remove all conflicting Coins and SpendBundles if fail_reason: mempool_item: MempoolItem for mempool_item in conflicting_pool_items.values(): self.mempool.remove_spend(mempool_item) new_item = MempoolItem(new_spend, fees_per_cost, uint64(fees), cached_result) self.mempool.add_to_pool(new_item, additions, removal_coin_dict) return uint64(cost), MempoolInclusionStatus.SUCCESS, None