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2026-01-12 04:09:13 +00:00 · 2025-10-09 15:10:39 -04:00
commit a934caa7d3
323 changed files with 98121 additions and 0 deletions
--- a/bulletproof/range_batch_verifier_test.go
+++ b/bulletproof/range_batch_verifier_test.go
@@ -0,0 +1,148 @@
+package bulletproof
+
+import (
+	crand "crypto/rand"
+	"testing"
+
+	"github.com/gtank/merlin"
+	"github.com/stretchr/testify/require"
+
+	"github.com/sonr-io/sonr/crypto/core/curves"
+)
+
+func TestRangeBatchVerifyHappyPath(t *testing.T) {
+	curve := curves.ED25519()
+	n := 256
+	prover, err := NewRangeProver(n*4, []byte("rangeDomain"), []byte("ippDomain"), *curve)
+	require.NoError(t, err)
+	v1 := curve.Scalar.Random(crand.Reader)
+	v2 := curve.Scalar.Random(crand.Reader)
+	v3 := curve.Scalar.Random(crand.Reader)
+	v4 := curve.Scalar.Random(crand.Reader)
+	v := []curves.Scalar{v1, v2, v3, v4}
+	gamma1 := curve.Scalar.Random(crand.Reader)
+	gamma2 := curve.Scalar.Random(crand.Reader)
+	gamma3 := curve.Scalar.Random(crand.Reader)
+	gamma4 := curve.Scalar.Random(crand.Reader)
+	gamma := []curves.Scalar{gamma1, gamma2, gamma3, gamma4}
+	g := curve.Point.Random(crand.Reader)
+	h := curve.Point.Random(crand.Reader)
+	u := curve.Point.Random(crand.Reader)
+	proofGenerators := RangeProofGenerators{
+		g: g,
+		h: h,
+		u: u,
+	}
+	transcript := merlin.NewTranscript("test")
+	proof, err := prover.BatchProve(v, gamma, n, proofGenerators, transcript)
+	require.NoError(t, err)
+
+	verifier, err := NewRangeVerifier(n*4, []byte("rangeDomain"), []byte("ippDomain"), *curve)
+	require.NoError(t, err)
+	transcriptVerifier := merlin.NewTranscript("test")
+	capV := getcapVBatched(v, gamma, g, h)
+	verified, err := verifier.VerifyBatched(proof, capV, proofGenerators, n, transcriptVerifier)
+	require.NoError(t, err)
+	require.True(t, verified)
+}
+
+func TestRangeBatchVerifyNotInRange(t *testing.T) {
+	curve := curves.ED25519()
+	n := 2
+	prover, err := NewRangeProver(n*4, []byte("rangeDomain"), []byte("ippDomain"), *curve)
+	require.NoError(t, err)
+	v1 := curve.Scalar.One()
+	v2 := curve.Scalar.Random(crand.Reader)
+	v3 := curve.Scalar.Random(crand.Reader)
+	v4 := curve.Scalar.Random(crand.Reader)
+	v := []curves.Scalar{v1, v2, v3, v4}
+	gamma1 := curve.Scalar.Random(crand.Reader)
+	gamma2 := curve.Scalar.Random(crand.Reader)
+	gamma3 := curve.Scalar.Random(crand.Reader)
+	gamma4 := curve.Scalar.Random(crand.Reader)
+	gamma := []curves.Scalar{gamma1, gamma2, gamma3, gamma4}
+	g := curve.Point.Random(crand.Reader)
+	h := curve.Point.Random(crand.Reader)
+	u := curve.Point.Random(crand.Reader)
+	proofGenerators := RangeProofGenerators{
+		g: g,
+		h: h,
+		u: u,
+	}
+	transcript := merlin.NewTranscript("test")
+	_, err = prover.BatchProve(v, gamma, n, proofGenerators, transcript)
+	require.Error(t, err)
+}
+
+func TestRangeBatchVerifyNonRandom(t *testing.T) {
+	curve := curves.ED25519()
+	n := 2
+	prover, err := NewRangeProver(n*4, []byte("rangeDomain"), []byte("ippDomain"), *curve)
+	require.NoError(t, err)
+	v1 := curve.Scalar.One()
+	v2 := curve.Scalar.One()
+	v3 := curve.Scalar.One()
+	v4 := curve.Scalar.One()
+	v := []curves.Scalar{v1, v2, v3, v4}
+	gamma1 := curve.Scalar.Random(crand.Reader)
+	gamma2 := curve.Scalar.Random(crand.Reader)
+	gamma3 := curve.Scalar.Random(crand.Reader)
+	gamma4 := curve.Scalar.Random(crand.Reader)
+	gamma := []curves.Scalar{gamma1, gamma2, gamma3, gamma4}
+	g := curve.Point.Random(crand.Reader)
+	h := curve.Point.Random(crand.Reader)
+	u := curve.Point.Random(crand.Reader)
+	proofGenerators := RangeProofGenerators{
+		g: g,
+		h: h,
+		u: u,
+	}
+	transcript := merlin.NewTranscript("test")
+	proof, err := prover.BatchProve(v, gamma, n, proofGenerators, transcript)
+	require.NoError(t, err)
+
+	verifier, err := NewRangeVerifier(n*4, []byte("rangeDomain"), []byte("ippDomain"), *curve)
+	require.NoError(t, err)
+	transcriptVerifier := merlin.NewTranscript("test")
+	capV := getcapVBatched(v, gamma, g, h)
+	verified, err := verifier.VerifyBatched(proof, capV, proofGenerators, n, transcriptVerifier)
+	require.NoError(t, err)
+	require.True(t, verified)
+}
+
+func TestRangeBatchVerifyInvalid(t *testing.T) {
+	curve := curves.ED25519()
+	n := 2
+	prover, err := NewRangeProver(n*4, []byte("rangeDomain"), []byte("ippDomain"), *curve)
+	require.NoError(t, err)
+	v1 := curve.Scalar.One()
+	v2 := curve.Scalar.One()
+	v3 := curve.Scalar.One()
+	v4 := curve.Scalar.One()
+	v := []curves.Scalar{v1, v2, v3, v4}
+	gamma1 := curve.Scalar.Random(crand.Reader)
+	gamma2 := curve.Scalar.Random(crand.Reader)
+	gamma3 := curve.Scalar.Random(crand.Reader)
+	gamma4 := curve.Scalar.Random(crand.Reader)
+	gamma := []curves.Scalar{gamma1, gamma2, gamma3, gamma4}
+	g := curve.Point.Random(crand.Reader)
+	h := curve.Point.Random(crand.Reader)
+	u := curve.Point.Random(crand.Reader)
+	proofGenerators := RangeProofGenerators{
+		g: g,
+		h: h,
+		u: u,
+	}
+	transcript := merlin.NewTranscript("test")
+	proof, err := prover.BatchProve(v, gamma, n, proofGenerators, transcript)
+	require.NoError(t, err)
+
+	verifier, err := NewRangeVerifier(n*4, []byte("rangeDomain"), []byte("ippDomain"), *curve)
+	require.NoError(t, err)
+	transcriptVerifier := merlin.NewTranscript("test")
+	capV := getcapVBatched(v, gamma, g, h)
+	capV[0] = curve.Point.Random(crand.Reader)
+	verified, err := verifier.VerifyBatched(proof, capV, proofGenerators, n, transcriptVerifier)
+	require.Error(t, err)
+	require.False(t, verified)
+}