83 lines
3.0 KiB
Python
83 lines
3.0 KiB
Python
# # ⚠ 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 abc
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import enum
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import logging
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from decimal import Decimal
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from solana.publickey import PublicKey
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from .constants import SYSTEM_PROGRAM_ADDRESS
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from .lotsizeconverter import LotSizeConverter, NullLotSizeConverter
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from .token import Instrument, Token
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class InventorySource(enum.Enum):
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SPL_TOKENS = enum.auto()
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ACCOUNT = enum.auto()
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def __str__(self) -> str:
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return self.name
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def __repr__(self) -> str:
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return f"{self}"
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# # 🥭 Market class
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#
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# This class describes a crypto market. It *must* have an address, a base token and a quote token.
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#
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class Market(metaclass=abc.ABCMeta):
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def __init__(self, program_address: PublicKey, address: PublicKey, inventory_source: InventorySource, base: Instrument, quote: Token, lot_size_converter: LotSizeConverter) -> None:
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self.logger: logging.Logger = logging.getLogger(self.__class__.__name__)
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self.program_address: PublicKey = program_address
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self.address: PublicKey = address
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self.inventory_source: InventorySource = inventory_source
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self.base: Instrument = base
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self.quote: Token = quote
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self.lot_size_converter: LotSizeConverter = lot_size_converter
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@property
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def symbol(self) -> str:
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return f"{self.base.symbol}/{self.quote.symbol}"
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def __str__(self) -> str:
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return f"« 𝙼𝚊𝚛𝚔𝚎𝚝 {self.symbol} »"
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def __repr__(self) -> str:
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return f"{self}"
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# # 🥭 DryRunMarket class
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#
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# A fake `Market` that can be safely used in dry runs.
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#
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class DryRunMarket(Market):
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def __init__(self, market_name: str) -> None:
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program_address: PublicKey = SYSTEM_PROGRAM_ADDRESS
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address: PublicKey = SYSTEM_PROGRAM_ADDRESS
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inventory_source: InventorySource = InventorySource.SPL_TOKENS
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base: Instrument = Instrument("DRYRUNBASE", "DryRunBase", Decimal(6))
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quote: Token = Token("DRYRUNQUOTE", "DryRunQuote", Decimal(6), SYSTEM_PROGRAM_ADDRESS)
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lot_size_converter: LotSizeConverter = NullLotSizeConverter()
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super().__init__(program_address, address, inventory_source, base, quote, lot_size_converter)
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self.market_name: str = market_name
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@property
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def symbol(self) -> str:
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return self.market_name
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