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from typing import Type, Mapping
from .point import Point
from .coordinates import CoordinateModel
from .model import CurveModel
class EllipticCurve(object):
model: Type[CurveModel]
coordinate_model: CoordinateModel
parameters: Mapping[str, int]
neutral: Point
def __init__(self, model: Type[CurveModel], coordinate_model: CoordinateModel,
parameters: Mapping[str, int], neutral: Point):
if coordinate_model not in model.coordinates.values():
raise ValueError
if set(model.parameter_names).symmetric_difference(parameters.keys()):
raise ValueError
if neutral.coordinate_model != coordinate_model:
raise ValueError
self.model = model
self.coordinate_model = coordinate_model
self.parameters = dict(parameters)
self.neutral = neutral
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