Esempio n. 1
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    async def get_trades_above(self, height: uint32) -> List[TradeRecord]:
        cursor = await self.db_connection.execute("SELECT * from trade_records WHERE confirmed_at_index>?", (height,))
        rows = await cursor.fetchall()
        await cursor.close()
        records = []

        for row in rows:
            record = TradeRecord.from_bytes(row[0])
            records.append(record)

        return records
Esempio n. 2
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 async def get_trade_record(self, trade_id: bytes32) -> Optional[TradeRecord]:
     """
     Checks DB for TradeRecord with id: id and returns it.
     """
     cursor = await self.db_connection.execute("SELECT * from trade_records WHERE trade_id=?", (trade_id.hex(),))
     row = await cursor.fetchone()
     await cursor.close()
     if row is not None:
         record = TradeRecord.from_bytes(row[0])
         return record
     return None
Esempio n. 3
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    async def get_trade_record_with_status(self, status: TradeStatus) -> List[TradeRecord]:
        """
        Checks DB for TradeRecord with id: id and returns it.
        """
        cursor = await self.db_connection.execute("SELECT * from trade_records WHERE status=?", (status.value,))
        rows = await cursor.fetchall()
        await cursor.close()
        records = []
        for row in rows:
            record = TradeRecord.from_bytes(row[0])
            records.append(record)

        return records
Esempio n. 4
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    async def get_all_trades(self) -> List[TradeRecord]:
        """
        Returns all stored trades.
        """

        cursor = await self.db_connection.execute("SELECT * from trade_records")
        rows = await cursor.fetchall()
        await cursor.close()
        records = []

        for row in rows:
            record = TradeRecord.from_bytes(row[0])
            records.append(record)

        return records
Esempio n. 5
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    async def get_all_unconfirmed(self) -> List[TradeRecord]:
        """
        Returns the list of all trades that have not yet been confirmed.
        """

        cursor = await self.db_connection.execute("SELECT * from trade_records WHERE confirmed=?", (0,))
        rows = await cursor.fetchall()
        await cursor.close()
        records = []

        for row in rows:
            record = TradeRecord.from_bytes(row[0])
            records.append(record)

        return records
Esempio n. 6
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    async def get_not_sent(self) -> List[TradeRecord]:
        """
        Returns the list of trades that have not been received by full node yet.
        """

        cursor = await self.db_connection.execute(
            "SELECT * from trade_records WHERE sent<? and confirmed=?", (
                4,
                0,
            ))
        rows = await cursor.fetchall()
        await cursor.close()
        records = []
        for row in rows:
            record = TradeRecord.from_bytes(row[0])
            records.append(record)

        return records
Esempio n. 7
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    async def increment_sent(
        self,
        id: bytes32,
        name: str,
        send_status: MempoolInclusionStatus,
        err: Optional[Err],
    ) -> bool:
        """
        Updates trade sent count (Full Node has received spend_bundle and sent ack).
        """

        current: Optional[TradeRecord] = await self.get_trade_record(id)
        if current is None:
            return False

        sent_to = current.sent_to.copy()

        err_str = err.name if err is not None else None
        append_data = (name, uint8(send_status.value), err_str)

        # Don't increment count if it's already sent to othis peer
        if append_data in sent_to:
            return False

        sent_to.append(append_data)

        tx: TradeRecord = TradeRecord(
            confirmed_at_index=current.confirmed_at_index,
            accepted_at_time=current.accepted_at_time,
            created_at_time=current.created_at_time,
            my_offer=current.my_offer,
            sent=uint32(current.sent + 1),
            spend_bundle=current.spend_bundle,
            tx_spend_bundle=current.tx_spend_bundle,
            additions=current.additions,
            removals=current.removals,
            trade_id=current.trade_id,
            status=current.status,
            sent_to=sent_to,
        )

        await self.add_trade_record(tx)
        return True
Esempio n. 8
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    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 = None
        try:
            trade_offer_hex = file_path.read_text()
            trade_offer = TradeRecord.from_bytes(
                hexstr_to_bytes(trade_offer_hex))
        except Exception as e:
            return False, None, f"Error: {e}"
        if trade_offer is not None:
            offer_spend_bundle: SpendBundle = trade_offer.spend_bundle

        coinsols = []  # [] of CoinSolutions
        cc_coinsol_outamounts: Dict[bytes32, List[Tuple[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: Program = coinsol.solution.first()
            solution: Program = coinsol.solution.rest().first()

            # work out the deficits between coin amount and expected output for each
            r = cc_utils.uncurry_cc(puzzle)
            if r:
                # Calculate output amounts
                mod_hash, genesis_checker, inner_puzzle = r
                colour = bytes(genesis_checker).hex()
                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].id())
                if coinsol.coin in [record.coin for record in unspent]:
                    return False, None, "can't respond to own offer"

                innersol = solution.first()

                total = get_output_amount_for_puzzle_and_solution(
                    inner_puzzle, innersol)
                if colour in cc_discrepancies:
                    cc_discrepancies[colour] += coinsol.coin.amount - total
                else:
                    cc_discrepancies[colour] = coinsol.coin.amount - total
                # Store coinsol and output amount for later
                if colour in cc_coinsol_outamounts:
                    cc_coinsol_outamounts[colour].append((coinsol, total))
                else:
                    cc_coinsol_outamounts[colour] = [(coinsol, total)]

            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 = get_output_discrepancy_for_puzzle_and_solution(
                        coinsol.coin, puzzle, solution)
                else:
                    chia_discrepancy += 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, [])
            if chia_spend_bundle is not None:
                for coinsol in coinsols:
                    chia_spend_bundle.coin_solutions.append(coinsol)

        zero_spend_list: List[SpendBundle] = []
        spend_bundle = None
        # 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"

            # Create SpendableCC list and innersol_list with both my coins and the offered coins
            # Firstly get the output coin
            my_output_coin = my_cc_spends.pop()
            spendable_cc_list = []
            innersol_list = []
            genesis_id = genesis_coin_id_for_genesis_coin_checker(
                Program.from_bytes(bytes.fromhex(colour)))
            # Make the rest of the coins assert the output coin is consumed
            for coloured_coin in my_cc_spends:
                inner_solution = self.wallet_state_manager.main_wallet.make_solution(
                    consumed=[my_output_coin.name()])
                inner_puzzle = await self.get_inner_puzzle_for_puzzle_hash(
                    coloured_coin.puzzle_hash)
                assert inner_puzzle is not None

                sigs = await wallets[colour].get_sigs(inner_puzzle,
                                                      inner_solution,
                                                      coloured_coin.name())
                sigs.append(aggsig)
                aggsig = AugSchemeMPL.aggregate(sigs)

                lineage_proof = await wallets[
                    colour].get_lineage_proof_for_coin(coloured_coin)
                spendable_cc_list.append(
                    SpendableCC(coloured_coin, genesis_id, inner_puzzle,
                                lineage_proof))
                innersol_list.append(inner_solution)

            # Create SpendableCC for each of the coloured coins received
            for cc_coinsol_out in cc_coinsol_outamounts[colour]:
                cc_coinsol = cc_coinsol_out[0]
                puzzle = cc_coinsol.solution.first()
                solution = cc_coinsol.solution.rest().first()

                r = uncurry_cc(puzzle)
                if r:
                    mod_hash, genesis_coin_checker, inner_puzzle = r
                    inner_solution = solution.first()
                    lineage_proof = solution.rest().rest().first()
                    spendable_cc_list.append(
                        SpendableCC(cc_coinsol.coin, genesis_id, inner_puzzle,
                                    lineage_proof))
                    innersol_list.append(inner_solution)

            # Finish the output coin SpendableCC with new information
            newinnerpuzhash = await wallets[colour].get_new_inner_hash()
            outputamount = sum([
                c.amount for c in my_cc_spends
            ]) + cc_discrepancies[colour] + my_output_coin.amount
            inner_solution = self.wallet_state_manager.main_wallet.make_solution(
                primaries=[{
                    "puzzlehash": newinnerpuzhash,
                    "amount": outputamount
                }])
            inner_puzzle = await self.get_inner_puzzle_for_puzzle_hash(
                my_output_coin.puzzle_hash)
            assert inner_puzzle is not None

            lineage_proof = await wallets[colour].get_lineage_proof_for_coin(
                my_output_coin)
            spendable_cc_list.append(
                SpendableCC(my_output_coin, genesis_id, inner_puzzle,
                            lineage_proof))
            innersol_list.append(inner_solution)

            sigs = await wallets[colour].get_sigs(inner_puzzle, inner_solution,
                                                  my_output_coin.name())
            sigs.append(aggsig)
            aggsig = AugSchemeMPL.aggregate(sigs)
            if spend_bundle is None:
                spend_bundle = spend_bundle_for_spendable_ccs(
                    CC_MOD,
                    Program.from_bytes(bytes.fromhex(colour)),
                    spendable_cc_list,
                    innersol_list,
                    [aggsig],
                )
            else:
                new_spend_bundle = spend_bundle_for_spendable_ccs(
                    CC_MOD,
                    Program.from_bytes(bytes.fromhex(colour)),
                    spendable_cc_list,
                    innersol_list,
                    [aggsig],
                )
                spend_bundle = SpendBundle.aggregate(
                    [spend_bundle, new_spend_bundle])
            # reset sigs and aggsig so that they aren't included next time around
            sigs = []
            aggsig = AugSchemeMPL.aggregate(sigs)
        my_tx_records = []
        if zero_spend_list is not None and spend_bundle is not None:
            zero_spend_list.append(spend_bundle)
            spend_bundle = SpendBundle.aggregate(zero_spend_list)

        if spend_bundle is None:
            return False, None, "spend_bundle missing"

        # Add transaction history for this trade
        now = uint64(int(time.time()))
        if chia_spend_bundle is not None:
            spend_bundle = SpendBundle.aggregate(
                [spend_bundle, chia_spend_bundle])
            # debug_spend_bundle(spend_bundle)
            if chia_discrepancy < 0:
                tx_record = TransactionRecord(
                    confirmed_at_height=uint32(0),
                    created_at_time=now,
                    to_puzzle_hash=token_bytes(),
                    amount=uint64(abs(chia_discrepancy)),
                    fee_amount=uint64(0),
                    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)),
                    type=uint32(TransactionType.OUTGOING_TRADE.value),
                    name=chia_spend_bundle.name(),
                )
            else:
                tx_record = TransactionRecord(
                    confirmed_at_height=uint32(0),
                    created_at_time=uint64(int(time.time())),
                    to_puzzle_hash=token_bytes(),
                    amount=uint64(abs(chia_discrepancy)),
                    fee_amount=uint64(0),
                    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)),
                    type=uint32(TransactionType.INCOMING_TRADE.value),
                    name=chia_spend_bundle.name(),
                )
            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_height=uint32(0),
                    created_at_time=uint64(int(time.time())),
                    to_puzzle_hash=token_bytes(),
                    amount=uint64(abs(amount)),
                    fee_amount=uint64(0),
                    confirmed=False,
                    sent=uint32(10),
                    spend_bundle=spend_bundle,
                    additions=spend_bundle.additions(),
                    removals=spend_bundle.removals(),
                    wallet_id=wallet.id(),
                    sent_to=[],
                    trade_id=std_hash(spend_bundle.name() + bytes(now)),
                    type=uint32(TransactionType.OUTGOING_TRADE.value),
                    name=spend_bundle.name(),
                )
            else:
                tx_record = TransactionRecord(
                    confirmed_at_height=uint32(0),
                    created_at_time=uint64(int(time.time())),
                    to_puzzle_hash=token_bytes(),
                    amount=uint64(abs(amount)),
                    fee_amount=uint64(0),
                    confirmed=False,
                    sent=uint32(10),
                    spend_bundle=spend_bundle,
                    additions=spend_bundle.additions(),
                    removals=spend_bundle.removals(),
                    wallet_id=wallet.id(),
                    sent_to=[],
                    trade_id=std_hash(spend_bundle.name() + bytes(now)),
                    type=uint32(TransactionType.INCOMING_TRADE.value),
                    name=token_bytes(),
                )
            my_tx_records.append(tx_record)

        tx_record = TransactionRecord(
            confirmed_at_height=uint32(0),
            created_at_time=uint64(int(time.time())),
            to_puzzle_hash=token_bytes(),
            amount=uint64(0),
            fee_amount=uint64(0),
            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)),
            type=uint32(TransactionType.OUTGOING_TRADE.value),
            name=spend_bundle.name(),
        )

        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
Esempio n. 9
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    async def _create_offer_for_ids(
        self, offer: Dict[int, int]
    ) -> Tuple[bool, Optional[TradeRecord], Optional[str]]:
        """
        Offer is dictionary of wallet ids and amount
        """
        spend_bundle = None
        try:
            for id in offer.keys():
                amount = offer[id]
                wallet_id = uint32(int(id))
                wallet = self.wallet_state_manager.wallets[wallet_id]
                if isinstance(wallet, CCWallet):
                    balance = await wallet.get_confirmed_balance()
                    if balance < abs(amount) and amount < 0:
                        raise Exception(
                            f"insufficient funds in wallet {wallet_id}")
                    if amount > 0:
                        if spend_bundle is None:
                            to_exclude: List[Coin] = []
                        else:
                            to_exclude = spend_bundle.removals()
                        zero_spend_bundle: SpendBundle = await wallet.generate_zero_val_coin(
                            False, to_exclude)

                        if spend_bundle is None:
                            spend_bundle = zero_spend_bundle
                        else:
                            spend_bundle = SpendBundle.aggregate(
                                [spend_bundle, zero_spend_bundle])

                        additions = zero_spend_bundle.additions()
                        removals = zero_spend_bundle.removals()
                        zero_val_coin: Optional[Coin] = None
                        for add in additions:
                            if add not in removals and add.amount == 0:
                                zero_val_coin = add
                        new_spend_bundle = await wallet.create_spend_bundle_relative_amount(
                            amount, zero_val_coin)
                    else:
                        new_spend_bundle = await wallet.create_spend_bundle_relative_amount(
                            amount)
                elif isinstance(wallet, Wallet):
                    if spend_bundle is None:
                        to_exclude = []
                    else:
                        to_exclude = spend_bundle.removals()
                    new_spend_bundle = await wallet.create_spend_bundle_relative_chia(
                        amount, to_exclude)
                else:
                    return False, None, "unsupported wallet type"
                if new_spend_bundle is None or new_spend_bundle.removals(
                ) == []:
                    raise Exception(f"Wallet {id} was unable to create offer.")
                if spend_bundle is None:
                    spend_bundle = new_spend_bundle
                else:
                    spend_bundle = SpendBundle.aggregate(
                        [spend_bundle, new_spend_bundle])

            if spend_bundle is None:
                return False, None, None

            now = uint64(int(time.time()))
            trade_offer: TradeRecord = TradeRecord(
                confirmed_at_index=uint32(0),
                accepted_at_time=None,
                created_at_time=now,
                my_offer=True,
                sent=uint32(0),
                spend_bundle=spend_bundle,
                tx_spend_bundle=None,
                additions=spend_bundle.additions(),
                removals=spend_bundle.removals(),
                trade_id=std_hash(spend_bundle.name() + bytes(now)),
                status=uint32(TradeStatus.PENDING_ACCEPT.value),
                sent_to=[],
            )
            return True, trade_offer, None
        except Exception as e:
            tb = traceback.format_exc()
            self.log.error(f"Error with creating trade offer: {type(e)}{tb}")
            return False, None, str(e)
Esempio n. 10
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    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
Esempio n. 11
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 async def get_discrepancies_for_offer(self, file_path: Path) -> Tuple[bool, Optional[Dict], Optional[Exception]]:
     self.log.info(f"trade offer: {file_path}")
     trade_offer_hex = file_path.read_text()
     trade_offer = TradeRecord.from_bytes(bytes.fromhex(trade_offer_hex))
     return get_discrepancies_for_spend_bundle(trade_offer.spend_bundle)