mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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87 lines
2.5 KiB
Go
87 lines
2.5 KiB
Go
package bulletproof
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import (
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crand "crypto/rand"
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"testing"
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"github.com/gtank/merlin"
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"github.com/stretchr/testify/require"
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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
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)
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func TestRangeProverHappyPath(t *testing.T) {
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curve := curves.ED25519()
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n := 256
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prover, err := NewRangeProver(n, []byte("rangeDomain"), []byte("ippDomain"), *curve)
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require.NoError(t, err)
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v := curve.Scalar.Random(crand.Reader)
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gamma := curve.Scalar.Random(crand.Reader)
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g := curve.Point.Random(crand.Reader)
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h := curve.Point.Random(crand.Reader)
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u := curve.Point.Random(crand.Reader)
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proofGenerators := RangeProofGenerators{
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g: g,
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h: h,
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u: u,
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}
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transcript := merlin.NewTranscript("test")
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proof, err := prover.Prove(v, gamma, n, proofGenerators, transcript)
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require.NoError(t, err)
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require.NotNil(t, proof)
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require.Equal(t, 8, len(proof.ipp.capLs))
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require.Equal(t, 8, len(proof.ipp.capRs))
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}
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func TestGetaL(t *testing.T) {
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curve := curves.ED25519()
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v := curve.Scalar.Random(crand.Reader)
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aL, err := getaL(v, 256, *curve)
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require.NoError(t, err)
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twoN := get2nVector(256, *curve)
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product, err := innerProduct(aL, twoN)
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require.NoError(t, err)
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require.Zero(t, product.Cmp(v))
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}
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func TestCmove(t *testing.T) {
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curve := curves.ED25519()
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two := curve.Scalar.One().Double()
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four := two.Double()
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out, err := cmoveScalar(two, four, 1, *curve)
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require.NoError(t, err)
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require.Zero(t, out.Cmp(four))
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}
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func TestRangeProverMarshal(t *testing.T) {
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curve := curves.ED25519()
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n := 256
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prover, err := NewRangeProver(n, []byte("rangeDomain"), []byte("ippDomain"), *curve)
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require.NoError(t, err)
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v := curve.Scalar.Random(crand.Reader)
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gamma := curve.Scalar.Random(crand.Reader)
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g := curve.Point.Random(crand.Reader)
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h := curve.Point.Random(crand.Reader)
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u := curve.Point.Random(crand.Reader)
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proofGenerators := RangeProofGenerators{
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g: g,
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h: h,
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u: u,
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}
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transcript := merlin.NewTranscript("test")
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proof, err := prover.Prove(v, gamma, n, proofGenerators, transcript)
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require.NoError(t, err)
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proofMarshaled := proof.MarshalBinary()
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proofPrime := NewRangeProof(curve)
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err = proofPrime.UnmarshalBinary(proofMarshaled)
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require.NoError(t, err)
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require.True(t, proof.capA.Equal(proofPrime.capA))
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require.True(t, proof.capS.Equal(proofPrime.capS))
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require.True(t, proof.capT1.Equal(proofPrime.capT1))
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require.True(t, proof.capT2.Equal(proofPrime.capT2))
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require.Zero(t, proof.taux.Cmp(proofPrime.taux))
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require.Zero(t, proof.mu.Cmp(proofPrime.mu))
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require.Zero(t, proof.tHat.Cmp(proofPrime.tHat))
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}
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