75 lines
2.8 KiB
Python
75 lines
2.8 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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from decimal import Decimal
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from .token import Token
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# # 🥭 LotSizeConverter class
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#
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class LotSizeConverter():
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def __init__(self, base: Token, base_lot_size: Decimal, quote: Token, quote_lot_size: Decimal):
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self.base: Token = base
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self.base_lot_size: Decimal = base_lot_size
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self.quote: Token = quote
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self.quote_lot_size: Decimal = quote_lot_size
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def price_lots_to_native(self, price_lots: Decimal) -> Decimal:
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return (price_lots * self.quote_lot_size) / self.base_lot_size
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def quantity_lots_to_native(self, quantity_lots: Decimal) -> Decimal:
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return self.base_lot_size * quantity_lots
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def price_lots_to_value(self, price_lots: Decimal) -> Decimal:
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native_to_ui: Decimal = 10 ** (self.base.decimals - self.quote.decimals)
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lots_to_native: Decimal = self.quote_lot_size / self.base_lot_size
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return (price_lots * lots_to_native) * native_to_ui
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def quantity_lots_to_value(self, quantity_lots: Decimal) -> Decimal:
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return (quantity_lots * self.base_lot_size) / (10 ** self.base.decimals)
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def __str__(self):
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return f"« 𝙻𝚘𝚝𝚂𝚒𝚣𝚎𝙲𝚘𝚗𝚟𝚎𝚛𝚝𝚎𝚛 [base lot size: {self.base_lot_size}, quote lot size: {self.quote_lot_size}] »"
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def __repr__(self) -> str:
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return f"{self}"
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# # 🥭 NullLotSizeConverter class
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#
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class NullLotSizeConverter(LotSizeConverter):
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def __init__(self):
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super().__init__(None, Decimal(1), None, Decimal(1))
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def price_lots_to_native(self, price_lots: Decimal) -> Decimal:
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return price_lots
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def quantity_lots_to_native(self, quantity_lots: Decimal) -> Decimal:
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return quantity_lots
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def price_lots_to_value(self, price_lots: Decimal) -> Decimal:
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return price_lots
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def quantity_lots_to_value(self, quantity_lots: Decimal) -> Decimal:
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return quantity_lots
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def __str__(self):
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return "« 𝙽𝚞𝚕𝚕𝙻𝚘𝚝𝚂𝚒𝚣𝚎𝙲𝚘𝚗𝚟𝚎𝚛𝚝𝚎𝚛 »"
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