65 lines
2.7 KiB
Python
65 lines
2.7 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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import typing
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from solana.publickey import PublicKey
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from .instrumentvalue import InstrumentValue
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# # 🥭 OwnedInstrumentValue class
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#
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# Ties an owner and `InstrumentValue` together. This is useful in the `TransactionScout`, where
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# token mints and values are given separate from the owner `PublicKey` - we can package them
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# together in this `OwnedInstrumentValue` class.
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class OwnedInstrumentValue:
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def __init__(self, owner: PublicKey, token_value: InstrumentValue) -> None:
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self._logger: logging.Logger = logging.getLogger(self.__class__.__name__)
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self.owner = owner
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self.token_value = token_value
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@staticmethod
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def find_by_owner(values: typing.Sequence["OwnedInstrumentValue"], owner: PublicKey) -> "OwnedInstrumentValue":
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found = [value for value in values if value.owner == owner]
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if len(found) == 0:
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raise Exception(f"Owner '{owner}' not found in: {values}")
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if len(found) > 1:
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raise Exception(f"Owner '{owner}' matched multiple tokens in: {values}")
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return found[0]
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@staticmethod
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def changes(before: typing.Sequence["OwnedInstrumentValue"], after: typing.Sequence["OwnedInstrumentValue"]) -> typing.Sequence["OwnedInstrumentValue"]:
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changes: typing.List[OwnedInstrumentValue] = []
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for before_value in before:
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after_value = OwnedInstrumentValue.find_by_owner(after, before_value.owner)
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token_value = InstrumentValue(before_value.token_value.token,
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after_value.token_value.value - before_value.token_value.value)
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result = OwnedInstrumentValue(before_value.owner, token_value)
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changes += [result]
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return changes
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def __str__(self) -> str:
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return f"« OwnedInstrumentValue [{self.owner}]: {self.token_value} »"
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def __repr__(self) -> str:
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return f"{self}"
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