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2026-08-02 15:31:38 +00:00 · 2025-10-09 15:10:39 -04:00
commit a934caa7d3
323 changed files with 98121 additions and 0 deletions
@@ -0,0 +1,244 @@
+//
+// Copyright Coinbase, Inc. All Rights Reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package curves
+
+import (
+	crand "crypto/rand"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/sonr-io/sonr/crypto/core/curves/native/pasta/fp"
+	"github.com/sonr-io/sonr/crypto/core/curves/native/pasta/fq"
+)
+
+func TestPointPallasAddDoubleMul(t *testing.T) {
+	g := new(Ep).Generator()
+	id := new(Ep).Identity()
+	require.Equal(t, g.Add(g, id), g)
+
+	g2 := new(Ep).Add(g, g)
+	require.True(t, new(Ep).Double(g).Equal(g2))
+	require.Equal(t, new(Ep).Double(g), new(Ep).Add(g, g))
+	g3 := new(Ep).Add(g, g2)
+	require.True(t, g3.Equal(new(Ep).Mul(g, new(fq.Fq).SetUint64(3))))
+
+	g4 := new(Ep).Add(g3, g)
+	require.True(t, g4.Equal(new(Ep).Double(g2)))
+	require.True(t, g4.Equal(new(Ep).Mul(g, new(fq.Fq).SetUint64(4))))
+}
+
+func TestPointPallasHash(t *testing.T) {
+	h0 := new(Ep).Hash(nil)
+	require.True(t, h0.IsOnCurve())
+	h1 := new(Ep).Hash([]byte{})
+	require.True(t, h1.IsOnCurve())
+	require.True(t, h0.Equal(h1))
+	h2 := new(Ep).Hash([]byte{1})
+	require.True(t, h2.IsOnCurve())
+}
+
+func TestPointPallasNeg(t *testing.T) {
+	g := new(Ep).Generator()
+	g.Neg(g)
+	require.True(t, g.Neg(g).Equal(new(Ep).Generator()))
+	id := new(Ep).Identity()
+	require.True(t, new(Ep).Neg(id).Equal(id))
+}
+
+func TestPointPallasRandom(t *testing.T) {
+	a := new(Ep).Random(testRng())
+	require.NotNil(t, a.x)
+	require.NotNil(t, a.y)
+	require.NotNil(t, a.z)
+	require.True(t, a.IsOnCurve())
+	e := &Ep{
+		x: &fp.Fp{
+			0x7263083d01d4859c,
+			0x65a03323b5a3d204,
+			0xe71d73222b136668,
+			0x1d1b1bcf1256b539,
+		},
+		y: &fp.Fp{
+			0x8cc2516ffe23e1bb,
+			0x5418f941eeaca812,
+			0x16c9af658a846f29,
+			0x11c572091c418668,
+		},
+		z: &fp.Fp{
+			0xa879589adb77a88e,
+			0x5444a531a19f2406,
+			0x637ff77c51dda524,
+			0x0369e90d219ce821,
+		},
+	}
+	require.True(t, a.Equal(e))
+}
+
+func TestPointPallasSerialize(t *testing.T) {
+	ss := new(ScalarPallas).Random(testRng()).(*ScalarPallas)
+	g := new(Ep).Generator()
+
+	ppt := new(Ep).Mul(g, ss.value)
+	require.Equal(
+		t,
+		ppt.ToAffineCompressed(),
+		[]byte{
+			0x1c,
+			0x6d,
+			0x47,
+			0x1f,
+			0x4a,
+			0x81,
+			0xcd,
+			0x8,
+			0x4e,
+			0xb3,
+			0x17,
+			0x9a,
+			0xcd,
+			0x17,
+			0xe2,
+			0x9a,
+			0x24,
+			0x69,
+			0xb,
+			0x4e,
+			0x69,
+			0x5f,
+			0x35,
+			0x1a,
+			0x92,
+			0x12,
+			0x95,
+			0xc9,
+			0xe6,
+			0xd3,
+			0x7a,
+			0x0,
+		},
+	)
+	require.Equal(
+		t,
+		ppt.ToAffineUncompressed(),
+		[]byte{
+			0x1c,
+			0x6d,
+			0x47,
+			0x1f,
+			0x4a,
+			0x81,
+			0xcd,
+			0x8,
+			0x4e,
+			0xb3,
+			0x17,
+			0x9a,
+			0xcd,
+			0x17,
+			0xe2,
+			0x9a,
+			0x24,
+			0x69,
+			0xb,
+			0x4e,
+			0x69,
+			0x5f,
+			0x35,
+			0x1a,
+			0x92,
+			0x12,
+			0x95,
+			0xc9,
+			0xe6,
+			0xd3,
+			0x7a,
+			0x0,
+			0x80,
+			0x5c,
+			0xa1,
+			0x56,
+			0x6d,
+			0x1b,
+			0x87,
+			0x5f,
+			0xb0,
+			0x2e,
+			0xae,
+			0x85,
+			0x4e,
+			0x86,
+			0xa9,
+			0xcd,
+			0xde,
+			0x37,
+			0x6a,
+			0xc8,
+			0x4a,
+			0x80,
+			0xf6,
+			0x43,
+			0xaa,
+			0xe6,
+			0x2c,
+			0x2d,
+			0x15,
+			0xdb,
+			0xda,
+			0x29,
+		},
+	)
+	retP, err := new(Ep).FromAffineCompressed(ppt.ToAffineCompressed())
+	require.NoError(t, err)
+	require.True(t, ppt.Equal(retP))
+	retP, err = new(Ep).FromAffineUncompressed(ppt.ToAffineUncompressed())
+	require.NoError(t, err)
+	require.True(t, ppt.Equal(retP))
+
+	// smoke test
+	for i := 0; i < 25; i++ {
+		s := new(ScalarPallas).Random(crand.Reader).(*ScalarPallas)
+		pt := new(Ep).Mul(g, s.value)
+		cmprs := pt.ToAffineCompressed()
+		require.Equal(t, len(cmprs), 32)
+		retC, err := new(Ep).FromAffineCompressed(cmprs)
+		require.NoError(t, err)
+		require.True(t, pt.Equal(retC))
+
+		un := pt.ToAffineUncompressed()
+		require.Equal(t, len(un), 64)
+		retU, err := new(Ep).FromAffineUncompressed(un)
+		require.NoError(t, err)
+		require.True(t, pt.Equal(retU))
+	}
+}
+
+func TestPointPallasCMove(t *testing.T) {
+	a := new(Ep).Random(crand.Reader)
+	b := new(Ep).Random(crand.Reader)
+	require.True(t, new(Ep).CMove(a, b, 1).Equal(b))
+	require.True(t, new(Ep).CMove(a, b, 0).Equal(a))
+}
+
+func TestPointPallasSumOfProducts(t *testing.T) {
+	lhs := new(Ep).Generator()
+	lhs.Mul(lhs, new(fq.Fq).SetUint64(50))
+	points := make([]*Ep, 5)
+	for i := range points {
+		points[i] = new(Ep).Generator()
+	}
+	scalars := []Scalar{
+		new(ScalarPallas).New(8),
+		new(ScalarPallas).New(9),
+		new(ScalarPallas).New(10),
+		new(ScalarPallas).New(11),
+		new(ScalarPallas).New(12),
+	}
+	rhs := lhs.SumOfProducts(points, scalars)
+	require.NotNil(t, rhs)
+	require.True(t, lhs.Equal(rhs))
+}