// Reset implements the protobuf marshalling interface.
func (q *Quantity) Unmarshal(data []byte) error {
p := QuantityProto{}
if err := p.Unmarshal(data); err != nil {
return err
}
q.Format = p.Format
b := big.NewInt(0)
b.SetBytes(p.Bigint)
q.Amount = inf.NewDecBig(b, inf.Scale(p.Scale))
return nil
}
// infScale adapts a Scale value to an inf.Scale value.
func (s Scale) infScale() inf.Scale {
return inf.Scale(-s) // inf.Scale is upside-down
}