mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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382 lines
11 KiB
Go
382 lines
11 KiB
Go
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//
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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 gennaro
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import (
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"fmt"
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"testing"
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"github.com/btcsuite/btcd/btcec"
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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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v1 "source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/sharing/v1"
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)
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func TestParticipantRound1Works(t *testing.T) {
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p1, err := NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 2)
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require.NoError(t, err)
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bcast, p2psend, err := p1.Round1(nil)
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require.NoError(t, err)
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require.NotNil(t, bcast)
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require.NotNil(t, p2psend)
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require.Equal(t, len(p2psend), 1)
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require.Equal(t, len(bcast), 2)
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require.NotNil(t, p1.pedersenResult)
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require.Equal(t, p1.round, 2)
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_, ok := p2psend[2]
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require.True(t, ok)
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}
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func TestParticipantRound1RepeatCall(t *testing.T) {
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p1, err := NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 2)
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require.NoError(t, err)
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_, _, err = p1.Round1(nil)
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require.NoError(t, err)
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_, _, err = p1.Round1(nil)
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require.Error(t, err)
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}
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func TestParticipantRound1BadSecret(t *testing.T) {
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p1, err := NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 2)
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require.NoError(t, err)
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// secret == 0
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secret := []byte{0}
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_, _, err = p1.Round1(secret)
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require.Error(t, err)
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// secret too big
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secret = []byte{7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7}
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_, _, err = p1.Round1(secret)
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require.Error(t, err)
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}
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func PrepareRound2Input(t *testing.T) (*Participant, *Participant, Round1Bcast, Round1Bcast, Round1P2PSend) {
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// Prepare round 1 output of 2 participants
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p1, err := NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 2)
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require.NoError(t, err)
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require.Equal(t, p1.otherParticipantShares[2].Id, uint32(2))
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p2, err := NewParticipant(2, 2, testGenerator, curves.NewK256Scalar(), 1)
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require.NoError(t, err)
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require.Equal(t, p2.otherParticipantShares[1].Id, uint32(1))
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bcast1, _, _ := p1.Round1(nil)
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bcast2, p2psend2, _ := p2.Round1(nil)
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return p1, p2, bcast1, bcast2, p2psend2
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}
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// Test Gennaro DKG round2 works
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func TestParticipantRound2Works(t *testing.T) {
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// Prepare Dkg Round 1 output
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p1, _, bcast1, bcast2, p2psend2 := PrepareRound2Input(t)
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// Actual Test
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require.NotNil(t, bcast1)
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require.NotNil(t, bcast2)
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require.NotNil(t, p2psend2[1])
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bcast := make(map[uint32]Round1Bcast)
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p2p := make(map[uint32]*Round1P2PSendPacket)
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bcast[1] = bcast1
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bcast[2] = bcast2
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p2p[2] = p2psend2[1]
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round2Out, err := p1.Round2(bcast, p2p)
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require.NoError(t, err)
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require.NotNil(t, round2Out)
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require.Equal(t, len(round2Out), 2)
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require.NotNil(t, p1.skShare)
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require.Equal(t, p1.round, 3)
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require.NotNil(t, p1.otherParticipantShares)
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}
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// Test Gennaro DKG round 2 repeat call
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func TestParticipantRound2RepeatCall(t *testing.T) {
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// Prepare Dkg Round 1 output
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p1, _, bcast1, bcast2, p2psend2 := PrepareRound2Input(t)
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// Actual Test
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require.NotNil(t, bcast1)
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require.NotNil(t, bcast2)
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require.NotNil(t, p2psend2[1])
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bcast := make(map[uint32]Round1Bcast)
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p2p := make(map[uint32]*Round1P2PSendPacket)
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bcast[1] = bcast1
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bcast[2] = bcast2
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p2p[2] = p2psend2[1]
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_, err := p1.Round2(bcast, p2p)
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require.NoError(t, err)
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_, err = p1.Round2(bcast, p2p)
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require.Error(t, err)
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}
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// Test Gennaro Dkg Round 2 Bad Input
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func TestParticipantRound2BadInput(t *testing.T) {
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// Prepare Dkg Round 1 output
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p1, _, _, _, _ := PrepareRound2Input(t)
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bcast := make(map[uint32]Round1Bcast)
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p2p := make(map[uint32]*Round1P2PSendPacket)
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// Test empty bcast and p2p
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_, err := p1.Round2(bcast, p2p)
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require.Error(t, err)
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// Test nil bcast and p2p
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p1, _, _, _, _ = PrepareRound2Input(t)
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_, err = p1.Round2(nil, nil)
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require.Error(t, err)
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// Test tampered input bcast and p2p
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p1, _, bcast1, bcast2, p2psend2 := PrepareRound2Input(t)
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bcast = make(map[uint32]Round1Bcast)
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p2p = make(map[uint32]*Round1P2PSendPacket)
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// Tamper bcast1 and p2psend2 by doubling their value
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bcast1[1].Y = bcast1[1].Y.Add(bcast1[1].Y, bcast1[1].Y)
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p2psend2[1].SecretShare.Value = p2psend2[1].SecretShare.Value.Add(p2psend2[1].SecretShare.Value)
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bcast[1] = bcast1
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bcast[2] = bcast2
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p2p[2] = p2psend2[1]
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_, err = p1.Round2(bcast, p2p)
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require.Error(t, err)
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}
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func PrepareRound3Input(t *testing.T) (*Participant, *Participant, map[uint32]Round2Bcast) {
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p1, _ := NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 2)
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p2, _ := NewParticipant(2, 2, testGenerator, curves.NewK256Scalar(), 1)
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bcast1, p2psend1, _ := p1.Round1(nil)
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bcast2, p2psend2, _ := p2.Round1(nil)
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bcast := make(map[uint32]Round1Bcast)
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p2p1 := make(map[uint32]*Round1P2PSendPacket)
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p2p2 := make(map[uint32]*Round1P2PSendPacket)
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bcast[1] = bcast1
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bcast[2] = bcast2
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p2p1[2] = p2psend2[1]
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p2p2[1] = p2psend1[2]
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round2Out1, _ := p1.Round2(bcast, p2p1)
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round2Out2, _ := p2.Round2(bcast, p2p2)
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round3Input := make(map[uint32]Round2Bcast)
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round3Input[1] = round2Out1
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round3Input[2] = round2Out2
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return p1, p2, round3Input
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}
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// Test Gennaro Dkg Round 3 Works
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func TestParticipantRound3Works(t *testing.T) {
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// Prepare Gennaro Dkg Round 3 Input
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p1, p2, round3Input := PrepareRound3Input(t)
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// Actual Test
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round3Out1, _, err := p1.Round3(round3Input)
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require.NoError(t, err)
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require.NotNil(t, round3Out1)
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round3Out2, _, err := p2.Round3(round3Input)
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require.NoError(t, err)
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require.NotNil(t, round3Out2)
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require.Equal(t, p1.round, 4)
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require.Equal(t, p2.round, 4)
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require.Equal(t, p1.verificationKey, p2.verificationKey)
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// Test if shares recombine properly
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s, _ := v1.NewShamir(2, 2, curves.NewField(btcec.S256().N))
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sk, err := s.Combine(&v1.ShamirShare{Identifier: p1.id, Value: p1.skShare},
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&v1.ShamirShare{Identifier: p2.id, Value: p2.skShare})
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require.NoError(t, err)
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// Test verification keys are G * sk
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x, y := btcec.S256().ScalarBaseMult(sk)
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tmp := &curves.EcPoint{
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Curve: btcec.S256(),
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X: x,
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Y: y,
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}
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require.True(t, tmp.Equals(p1.verificationKey))
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require.True(t, tmp.Equals(p2.verificationKey))
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}
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// Test Gennaro Dkg Round3 Repeat Call
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func TestParticipantRound3RepeatCall(t *testing.T) {
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// Prepare Round 3 Input
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p1, _, round3Input := PrepareRound3Input(t)
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// Actual Test
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_, _, err := p1.Round3(round3Input)
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require.NoError(t, err)
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_, _, err = p1.Round3(round3Input)
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require.Error(t, err)
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}
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// Test Gennaro DKG Round 3 Bad Input
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func TestParticipantRound3BadInput(t *testing.T) {
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// Test empty round 3 input
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p1, _, _ := PrepareRound3Input(t)
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emptyInput := make(map[uint32]Round2Bcast)
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_, _, err := p1.Round3(emptyInput)
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require.Error(t, err)
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// Test nil round 3 input
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p1, _, _ = PrepareRound3Input(t)
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_, _, err = p1.Round3(nil)
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require.Error(t, err)
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// Test tampered round 3 input
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p1, _, round3Input := PrepareRound3Input(t)
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// Tamper participant2's broadcast
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round3Input[2][0], _ = round3Input[2][0].Add(round3Input[2][1])
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_, _, err = p1.Round3(round3Input)
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require.Error(t, err)
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}
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// Test Gennaro Dkg Round 4 Works
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func TestParticipantRound4Works(t *testing.T) {
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// Prepare Gennaro Dkg Round 3 Input
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p1, p2, round3Input := PrepareRound3Input(t)
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round3Out1, _, err := p1.Round3(round3Input)
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require.NoError(t, err)
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require.NotNil(t, round3Out1)
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round3Out2, _, err := p2.Round3(round3Input)
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require.NoError(t, err)
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require.NotNil(t, round3Out2)
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// Actual test
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publicShares1, err := p1.Round4()
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require.NoError(t, err)
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require.NotNil(t, publicShares1)
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publicShares2, err := p2.Round4()
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require.NoError(t, err)
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require.NotNil(t, publicShares2)
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require.Equal(t, publicShares1, publicShares2)
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}
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// Test Gennaro Dkg Round 4 Works
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func TestParticipantRound4RepeatCall(t *testing.T) {
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// Prepare Gennaro Dkg Round 3 Input
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p1, p2, round3Input := PrepareRound3Input(t)
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round3Out1, _, err := p1.Round3(round3Input)
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require.NoError(t, err)
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require.NotNil(t, round3Out1)
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round3Out2, _, err := p2.Round3(round3Input)
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require.NoError(t, err)
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require.NotNil(t, round3Out2)
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// Actual test
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publicShares1, err := p1.Round4()
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require.NoError(t, err)
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require.NotNil(t, publicShares1)
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publicShares2, err := p1.Round4()
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require.NoError(t, err)
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require.NotNil(t, publicShares2)
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require.Equal(t, publicShares1, publicShares2)
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}
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// Test all Gennaro DKG rounds
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func TestAllGennaroDkgRounds(t *testing.T) {
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// Initiate two participants
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p1, _ := NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 2)
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p2, _ := NewParticipant(2, 2, testGenerator, curves.NewK256Scalar(), 1)
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// Running round 1
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bcast1, p2psend1, _ := p1.Round1(nil)
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bcast2, p2psend2, _ := p2.Round1(nil)
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bcast := make(map[uint32]Round1Bcast)
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p2p1 := make(map[uint32]*Round1P2PSendPacket)
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p2p2 := make(map[uint32]*Round1P2PSendPacket)
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bcast[1] = bcast1
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bcast[2] = bcast2
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p2p1[2] = p2psend2[1]
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p2p2[1] = p2psend1[2]
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// Running round 2
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round2Out1, _ := p1.Round2(bcast, p2p1)
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round2Out2, _ := p2.Round2(bcast, p2p2)
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round3Input := make(map[uint32]Round2Bcast)
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round3Input[1] = round2Out1
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round3Input[2] = round2Out2
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// Running round 3
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round3Out1, _, _ := p1.Round3(round3Input)
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round3Out2, _, _ := p2.Round3(round3Input)
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require.NotNil(t, round3Out1)
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require.NotNil(t, round3Out2)
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// Running round 4
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publicShares1, _ := p1.Round4()
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publicShares2, _ := p2.Round4()
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// Test output of all rounds
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require.Equal(t, publicShares1, publicShares2)
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s, _ := v1.NewShamir(2, 2, curves.NewField(btcec.S256().N))
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sk, err := s.Combine(&v1.ShamirShare{Identifier: p1.id, Value: p1.skShare},
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&v1.ShamirShare{Identifier: p2.id, Value: p2.skShare})
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require.NoError(t, err)
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x, y := btcec.S256().ScalarBaseMult(sk)
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tmp := &curves.EcPoint{
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Curve: btcec.S256(),
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X: x,
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Y: y,
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}
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require.True(t, tmp.Equals(p1.verificationKey))
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require.True(t, tmp.Equals(p2.verificationKey))
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}
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||
|
|
// Ensure correct functioning when input is missing
|
||
|
|
func TestParticipant2BadInput(t *testing.T) {
|
||
|
|
//
|
||
|
|
// Setup
|
||
|
|
//
|
||
|
|
p1, _ := NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 2)
|
||
|
|
p2, _ := NewParticipant(2, 2, testGenerator, curves.NewK256Scalar(), 1)
|
||
|
|
bcast1, _, _ := p1.Round1(nil)
|
||
|
|
bcast2, p2psend2, _ := p2.Round1(nil)
|
||
|
|
bcast := make(map[uint32]Round1Bcast)
|
||
|
|
p2p1 := make(map[uint32]*Round1P2PSendPacket)
|
||
|
|
bcast[1] = bcast1
|
||
|
|
bcast[2] = bcast2
|
||
|
|
// Exclude p2p 2>1
|
||
|
|
p2p1[4] = p2psend2[1]
|
||
|
|
|
||
|
|
// Run round 2
|
||
|
|
_, err := p1.Round2(bcast, p2p1)
|
||
|
|
require.Error(t, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestValidIDs(t *testing.T) {
|
||
|
|
err := fmt.Errorf("")
|
||
|
|
tests := []struct {
|
||
|
|
name string
|
||
|
|
in []uint32
|
||
|
|
expected error
|
||
|
|
}{
|
||
|
|
{"positive-1,2", []uint32{1, 2}, nil},
|
||
|
|
{"positive-2,1", []uint32{2, 1}, nil},
|
||
|
|
{"positive-1-10", []uint32{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, nil},
|
||
|
|
{"positive-1-10-random", []uint32{10, 9, 6, 5, 3, 2, 8, 7, 1, 4}, nil},
|
||
|
|
{"negative-1,3", []uint32{1, 3}, err},
|
||
|
|
{"negative-1-10-missing-5", []uint32{10, 9, 6, 3, 2, 8, 7, 1, 4}, err},
|
||
|
|
}
|
||
|
|
// Run all the tests!
|
||
|
|
for _, test := range tests {
|
||
|
|
t.Run(test.name, func(t *testing.T) {
|
||
|
|
err := validIds(test.in)
|
||
|
|
if test.expected == nil {
|
||
|
|
require.NoError(t, err)
|
||
|
|
} else {
|
||
|
|
require.Error(t, err)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Test newParticipant with arbitrary IDs
|
||
|
|
func TestParticipantArbitraryIds(t *testing.T) {
|
||
|
|
_, err := NewParticipant(3, 2, testGenerator, curves.NewK256Scalar(), 4)
|
||
|
|
require.Error(t, err)
|
||
|
|
_, err = NewParticipant(0, 2, testGenerator, curves.NewK256Scalar(), 1)
|
||
|
|
require.Error(t, err)
|
||
|
|
_, err = NewParticipant(2, 2, testGenerator, curves.NewK256Scalar(), 2, 3, 5)
|
||
|
|
require.Error(t, err)
|
||
|
|
_, err = NewParticipant(1, 2, testGenerator, curves.NewK256Scalar(), 4)
|
||
|
|
require.Error(t, err)
|
||
|
|
}
|