mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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230 lines
6.5 KiB
Go
230 lines
6.5 KiB
Go
//
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// Copyright Coinbase, Inc. All Rights Reserved.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package accumulator
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import (
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"testing"
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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 Test_Membership_Witness_New(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G1{})
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var seed [32]byte
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key, _ := new(SecretKey).New(curve, seed[:])
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acc, _ := new(Accumulator).New(curve)
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e := curve.Scalar.New(2)
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mw, err := new(MembershipWitness).New(e, acc, key)
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require.NoError(t, err)
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require.NotNil(t, mw.c)
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require.NotNil(t, mw.y)
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}
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func Test_Membership_Witness_Marshal(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G1{})
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mw := &MembershipWitness{
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curve.PointG1.Generator().Mul(curve.Scalar.New(10)),
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curve.Scalar.New(15),
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}
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data, err := mw.MarshalBinary()
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require.NoError(t, err)
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require.NotNil(t, data)
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newMW := &MembershipWitness{}
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err = newMW.UnmarshalBinary(data)
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require.NoError(t, err)
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require.True(t, mw.c.Equal(newMW.c))
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require.Equal(t, 0, mw.y.Cmp(newMW.y))
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}
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func Test_Membership(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G1{})
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sk, _ := new(SecretKey).New(curve, []byte("1234567890"))
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pk, _ := sk.GetPublicKey(curve)
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element1 := curve.Scalar.Hash([]byte("3"))
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element2 := curve.Scalar.Hash([]byte("4"))
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element3 := curve.Scalar.Hash([]byte("5"))
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element4 := curve.Scalar.Hash([]byte("6"))
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element5 := curve.Scalar.Hash([]byte("7"))
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element6 := curve.Scalar.Hash([]byte("8"))
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element7 := curve.Scalar.Hash([]byte("9"))
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elements := []Element{element1, element2, element3, element4, element5, element6, element7}
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// nm_witness_max works as well if set to value larger than 0 for this test.x
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acc, err := new(Accumulator).WithElements(curve, sk, elements)
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require.NoError(t, err)
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require.NotNil(t, acc.value)
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require.False(t, acc.value.IsIdentity())
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require.True(t, acc.value.IsOnCurve())
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require.NotEqual(t, acc.value, curve.NewG1GeneratorPoint())
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wit, err := new(MembershipWitness).New(elements[3], acc, sk)
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require.NoError(t, err)
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require.Equal(t, wit.y, elements[3])
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err = wit.Verify(pk, acc)
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require.NoError(t, err)
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// Test wrong cases, forge a wrong witness
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wrongWit := MembershipWitness{
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curve.PointG1.Identity(),
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curve.Scalar.One(),
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}
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err = wrongWit.Verify(pk, acc)
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require.Error(t, err)
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// Test wrong cases, forge a wrong accumulator
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wrongAcc := &Accumulator{
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curve.PointG1.Generator(),
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}
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err = wit.Verify(pk, wrongAcc)
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require.Error(t, err)
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}
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func Test_Membership_Batch_Update(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G1{})
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sk, _ := new(SecretKey).New(curve, []byte("1234567890"))
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pk, _ := sk.GetPublicKey(curve)
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element1 := curve.Scalar.Hash([]byte("3"))
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element2 := curve.Scalar.Hash([]byte("4"))
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element3 := curve.Scalar.Hash([]byte("5"))
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element4 := curve.Scalar.Hash([]byte("6"))
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element5 := curve.Scalar.Hash([]byte("7"))
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element6 := curve.Scalar.Hash([]byte("8"))
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element7 := curve.Scalar.Hash([]byte("9"))
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elements := []Element{element1, element2, element3, element4, element5, element6, element7}
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// nm_witness_max works as well if set to value larger than 0 for this test.
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acc, err := new(Accumulator).WithElements(curve, sk, elements)
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require.NoError(t, err)
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require.NotNil(t, acc.value)
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wit, err := new(MembershipWitness).New(elements[3], acc, sk)
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require.NoError(t, err)
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require.Equal(t, wit.y, elements[3])
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err = wit.Verify(pk, acc)
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require.Nil(t, err)
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data1 := curve.Scalar.Hash([]byte("1"))
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data2 := curve.Scalar.Hash([]byte("2"))
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data3 := curve.Scalar.Hash([]byte("3"))
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data4 := curve.Scalar.Hash([]byte("4"))
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data5 := curve.Scalar.Hash([]byte("5"))
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data := []Element{data1, data2, data3, data4, data5}
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additions := data[0:2]
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deletions := data[2:5]
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_, coefficients, err := acc.Update(sk, additions, deletions)
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require.NoError(t, err)
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require.NotNil(t, coefficients)
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_, err = wit.BatchUpdate(additions, deletions, coefficients)
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require.NoError(t, err)
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err = wit.Verify(pk, acc)
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require.Nil(t, err)
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}
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func Test_Membership_Multi_Batch_Update(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G1{})
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sk, _ := new(SecretKey).New(curve, []byte("1234567890"))
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pk, _ := sk.GetPublicKey(curve)
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element1 := curve.Scalar.Hash([]byte("3"))
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element2 := curve.Scalar.Hash([]byte("4"))
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element3 := curve.Scalar.Hash([]byte("5"))
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element4 := curve.Scalar.Hash([]byte("6"))
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element5 := curve.Scalar.Hash([]byte("7"))
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element6 := curve.Scalar.Hash([]byte("8"))
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element7 := curve.Scalar.Hash([]byte("9"))
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element8 := curve.Scalar.Hash([]byte("10"))
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element9 := curve.Scalar.Hash([]byte("11"))
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element10 := curve.Scalar.Hash([]byte("12"))
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element11 := curve.Scalar.Hash([]byte("13"))
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element12 := curve.Scalar.Hash([]byte("14"))
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element13 := curve.Scalar.Hash([]byte("15"))
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element14 := curve.Scalar.Hash([]byte("16"))
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element15 := curve.Scalar.Hash([]byte("17"))
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element16 := curve.Scalar.Hash([]byte("18"))
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element17 := curve.Scalar.Hash([]byte("19"))
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element18 := curve.Scalar.Hash([]byte("20"))
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elements := []Element{
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element1,
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element2,
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element3,
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element4,
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element5,
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element6,
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element7,
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element8,
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element9,
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element10,
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element11,
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element12,
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element13,
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element14,
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element15,
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element16,
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element17,
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element18,
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}
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acc, err := new(Accumulator).WithElements(curve, sk, elements)
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require.NoError(t, err)
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require.NotNil(t, acc.value)
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wit, err := new(MembershipWitness).New(elements[3], acc, sk)
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require.NoError(t, err)
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err = wit.Verify(pk, acc)
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require.Nil(t, err)
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data1 := curve.Scalar.Hash([]byte("1"))
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data2 := curve.Scalar.Hash([]byte("2"))
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data3 := curve.Scalar.Hash([]byte("3"))
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data4 := curve.Scalar.Hash([]byte("4"))
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data5 := curve.Scalar.Hash([]byte("5"))
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data := []Element{data1, data2, data3, data4, data5}
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adds1 := data[0:2]
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dels1 := data[2:5]
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_, coeffs1, err := acc.Update(sk, adds1, dels1)
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require.NoError(t, err)
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require.NotNil(t, coeffs1)
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dels2 := elements[8:10]
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_, coeffs2, err := acc.Update(sk, []Element{}, dels2)
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require.NoError(t, err)
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require.NotNil(t, coeffs2)
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dels3 := elements[11:14]
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_, coeffs3, err := acc.Update(sk, []Element{}, dels3)
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require.NoError(t, err)
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require.NotNil(t, coeffs3)
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a := make([][]Element, 3)
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a[0] = adds1
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a[1] = []Element{}
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a[2] = []Element{}
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d := make([][]Element, 3)
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d[0] = dels1
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d[1] = dels2
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d[2] = dels3
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c := make([][]Coefficient, 3)
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c[0] = coeffs1
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c[1] = coeffs2
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c[2] = coeffs3
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_, err = wit.MultiBatchUpdate(a, d, c)
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require.NoError(t, err)
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err = wit.Verify(pk, acc)
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require.Nil(t, err)
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}
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