65 lines
2.4 KiB
Python
65 lines
2.4 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 logging
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from decimal import Decimal
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from pyserum.market import Market as PySerumMarket
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from solana.publickey import PublicKey
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from .baskettoken import BasketToken
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from .context import Context
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from .market import Market
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from .spotmarket import SpotMarket
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# # 🥭 MarketMetadata class
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#
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class MarketMetadata:
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def __init__(self, name: str, address: PublicKey, base: BasketToken, quote: BasketToken,
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spot: Market, oracle: PublicKey, decimals: Decimal):
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self.logger: logging.Logger = logging.getLogger(self.__class__.__name__)
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self.name: str = name
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self.address: PublicKey = address
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self.base: BasketToken = base
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self.quote: BasketToken = quote
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if not isinstance(spot, SpotMarket):
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raise Exception(f"Spot '{spot}' is not a spot market.")
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self.spot: SpotMarket = spot
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self.oracle: PublicKey = oracle
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self.decimals: Decimal = decimals
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self.symbol: str = f"{base.token.symbol}/{quote.token.symbol}"
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self._market = None
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def fetch_market(self, context: Context) -> PySerumMarket:
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if self._market is None:
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self._market = PySerumMarket.load(context.client, self.spot.address)
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return self._market
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def __str__(self) -> str:
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base = f"{self.base}".replace("\n", "\n ")
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quote = f"{self.quote}".replace("\n", "\n ")
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return f"""« MarketMetadata '{self.name}' [{self.address}/{self.spot.address}]:
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Base: {base}
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Quote: {quote}
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Oracle: {self.oracle} ({self.decimals} decimals)
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»"""
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def __repr__(self) -> str:
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return f"{self}"
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