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# # ⚠ Warning
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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# LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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# NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# [🥭 Mango Markets](https://mango.markets/) support is available at:
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# [Docs](https://docs.mango.markets/)
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# [Discord](https://discord.gg/67jySBhxrg)
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# [Twitter](https://twitter.com/mangomarkets)
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# [Github](https://github.com/blockworks-foundation)
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# [Email](mailto:hello@blockworks.foundation)
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import typing
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from decimal import Decimal
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from solana.publickey import PublicKey
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from .account import Account
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from .accountinfo import AccountInfo
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from .addressableaccount import AddressableAccount
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from .cache import Cache
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from .context import Context
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from .group import Group
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from .layouts import layouts
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from .lotsizeconverter import NullLotSizeConverter
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from .openorders import OpenOrders
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from .orderbookside import PerpOrderBookSide
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from .perpeventqueue import PerpEventQueue
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from .perpmarketdetails import PerpMarketDetails
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from .serumeventqueue import SerumEventQueue
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from .token import Instrument, Token
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from .tokenbank import NodeBank, RootBank, TokenBank
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# # 🥭 build_account_info_converter function
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#
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# Given a `Context` and an account type, returns a function that can take an `AccountInfo` and
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# return one of our objects.
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#
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def build_account_info_converter(context: Context, account_type: str) -> typing.Callable[[AccountInfo], AddressableAccount]:
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account_type_upper = account_type.upper()
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if account_type_upper == "GROUP":
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return lambda account_info: Group.parse_with_context(context, account_info)
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elif account_type_upper == "ACCOUNT":
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def account_loader(account_info: AccountInfo) -> Account:
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layout_account = layouts.MANGO_ACCOUNT.parse(account_info.data)
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group_address = layout_account.group
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group: Group = Group.load(context, group_address)
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cache: Cache = group.fetch_cache(context)
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return Account.parse(account_info, group, cache)
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return account_loader
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elif account_type_upper == "OPENORDERS":
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return lambda account_info: OpenOrders.parse(account_info, Decimal(6), Decimal(6))
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elif account_type_upper == "PERPEVENTQUEUE":
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return lambda account_info: PerpEventQueue.parse(account_info, NullLotSizeConverter())
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elif account_type_upper == "SERUMEVENTQUEUE":
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return lambda account_info: SerumEventQueue.parse(account_info)
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elif account_type_upper == "CACHE":
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return lambda account_info: Cache.parse(account_info)
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2021-08-31 06:31:47 -07:00
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elif account_type_upper == "ROOTBANK":
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return lambda account_info: RootBank.parse(account_info)
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elif account_type_upper == "NODEBANK":
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return lambda account_info: NodeBank.parse(account_info)
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elif account_type_upper == "PERPMARKETDETAILS":
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def perp_market_details_loader(account_info: AccountInfo) -> PerpMarketDetails:
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layout_perp_market_details = layouts.PERP_MARKET.parse(account_info.data)
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group_address = layout_perp_market_details.group
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group: Group = Group.load(context, group_address)
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return PerpMarketDetails.parse(account_info, group)
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return perp_market_details_loader
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elif account_type_upper == "PERPORDERBOOKSIDE":
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class __FakePerpMarketDetails(PerpMarketDetails):
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def __init__(self) -> None:
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self.base_instrument = Instrument("UNKNOWNBASE", "Unknown Base", Decimal(0))
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self.quote_token = TokenBank(Token("UNKNOWNQUOTE", "Unknown Quote",
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Decimal(0), PublicKey(0)), PublicKey(0))
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self.base_lot_size = Decimal(1)
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self.quote_lot_size = Decimal(1)
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return lambda account_info: PerpOrderBookSide.parse(account_info, __FakePerpMarketDetails())
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raise Exception(f"Could not find AccountInfo converter for type {account_type}.")
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