KushGoyal

class PurchaseOrderSerializer(NestedSerializerMixin):
    lines = PoLineSerializer(many=True, required=False)
    class Meta:
        model = PurchaseOrder
        fields = '__all__'


class PoLineSerializer(serializers.ModelSerializer):
    id = serializers.IntegerField(required=False)

KushGoyal

import math


def calc_tick(rp):
    # P = 1.0001 ^ i
    # sqrt(P) = 1.0001 ^ (i / 2)
    # i = log(sqrt(P)) * 2 / log(1.0001)
    return (math.log(rp) * 2) / math.log(1.0001)