mirror of https://github.com/zcash/orchard.git
ecc::chip.rs: Add Point::from_coordinates_unchecked() API
Co-authored-by: Jack Grigg <jack@electriccoin.co>
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@ -27,6 +27,17 @@ pub struct EccPoint {
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}
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impl EccPoint {
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/// Constructs a point from its coordinates, without checking they are on the curve.
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///
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/// This is an internal API that we only use where we know we have a valid curve point
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/// (specifically inside Sinsemilla).
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pub(in crate::circuit::gadget) fn from_coordinates_unchecked(
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x: CellValue<pallas::Base>,
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y: CellValue<pallas::Base>,
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) -> Self {
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EccPoint { x, y }
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}
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/// Returns the value of this curve point, if known.
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pub fn point(&self) -> Option<pallas::Affine> {
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match (self.x.value(), self.y.value()) {
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