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tendermint/types/evidence_test.go

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package types
import (
"math"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/ed25519"
"github.com/tendermint/tendermint/crypto/tmhash"
tmrand "github.com/tendermint/tendermint/libs/rand"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
)
type voteData struct {
vote1 *Vote
vote2 *Vote
valid bool
}
var defaultVoteTime = time.Date(2019, 1, 1, 0, 0, 0, 0, time.UTC)
func TestEvidence(t *testing.T) {
val := NewMockPV()
val2 := NewMockPV()
blockID := makeBlockID([]byte("blockhash"), 1000, []byte("partshash"))
blockID2 := makeBlockID([]byte("blockhash2"), 1000, []byte("partshash"))
blockID3 := makeBlockID([]byte("blockhash"), 10000, []byte("partshash"))
blockID4 := makeBlockID([]byte("blockhash"), 10000, []byte("partshash2"))
const chainID = "mychain"
vote1 := makeVote(t, val, chainID, 0, 10, 2, 1, blockID, defaultVoteTime)
v1 := vote1.ToProto()
err := val.SignVote(chainID, v1)
require.NoError(t, err)
badVote := makeVote(t, val, chainID, 0, 10, 2, 1, blockID, defaultVoteTime)
bv := badVote.ToProto()
err = val2.SignVote(chainID, bv)
require.NoError(t, err)
vote1.Signature = v1.Signature
badVote.Signature = bv.Signature
cases := []voteData{
{vote1, makeVote(t, val, chainID, 0, 10, 2, 1, blockID2, defaultVoteTime), true}, // different block ids
{vote1, makeVote(t, val, chainID, 0, 10, 2, 1, blockID3, defaultVoteTime), true},
{vote1, makeVote(t, val, chainID, 0, 10, 2, 1, blockID4, defaultVoteTime), true},
{vote1, makeVote(t, val, chainID, 0, 10, 2, 1, blockID, defaultVoteTime), false}, // wrong block id
{vote1, makeVote(t, val, "mychain2", 0, 10, 2, 1, blockID2, defaultVoteTime), false}, // wrong chain id
{vote1, makeVote(t, val, chainID, 1, 10, 2, 1, blockID2, defaultVoteTime), false}, // wrong val index
{vote1, makeVote(t, val, chainID, 0, 11, 2, 1, blockID2, defaultVoteTime), false}, // wrong height
{vote1, makeVote(t, val, chainID, 0, 10, 3, 1, blockID2, defaultVoteTime), false}, // wrong round
{vote1, makeVote(t, val, chainID, 0, 10, 2, 2, blockID2, defaultVoteTime), false}, // wrong step
{vote1, makeVote(t, val2, chainID, 0, 10, 2, 1, blockID, defaultVoteTime), false}, // wrong validator
{vote1, makeVote(t, val2, chainID, 0, 10, 2, 1, blockID, time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)), false},
{vote1, badVote, false}, // signed by wrong key
}
pubKey, err := val.GetPubKey()
require.NoError(t, err)
for _, c := range cases {
ev := &DuplicateVoteEvidence{
VoteA: c.vote1,
VoteB: c.vote2,
}
if c.valid {
assert.Nil(t, ev.Verify(chainID, pubKey), "evidence should be valid")
} else {
assert.NotNil(t, ev.Verify(chainID, pubKey), "evidence should be invalid")
}
}
}
func TestDuplicatedVoteEvidence(t *testing.T) {
ev := randomDuplicatedVoteEvidence(t)
assert.True(t, ev.Equal(ev))
assert.False(t, ev.Equal(&DuplicateVoteEvidence{}))
maxTime := ev.VoteB.Timestamp
if ev.VoteA.Timestamp.After(ev.VoteB.Timestamp) {
maxTime = ev.VoteA.Timestamp
}
assert.Equal(t, maxTime, ev.Time(), "expected time of the latest vote")
}
func TestEvidenceList(t *testing.T) {
ev := randomDuplicatedVoteEvidence(t)
evl := EvidenceList([]Evidence{ev})
assert.NotNil(t, evl.Hash())
assert.True(t, evl.Has(ev))
assert.False(t, evl.Has(&DuplicateVoteEvidence{}))
}
func TestMaxEvidenceBytes(t *testing.T) {
val := NewMockPV()
blockID := makeBlockID(tmhash.Sum([]byte("blockhash")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
blockID2 := makeBlockID(tmhash.Sum([]byte("blockhash2")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
maxTime := time.Date(9999, 0, 0, 0, 0, 0, 0, time.UTC)
const chainID = "mychain"
ev := &DuplicateVoteEvidence{
VoteA: makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, math.MaxInt32, math.MaxInt64, blockID, maxTime),
VoteB: makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, math.MaxInt32, math.MaxInt64, blockID2, maxTime),
}
//TODO: Add other types of evidence to test and set MaxEvidenceBytes accordingly
// evl := &LunaticValidatorEvidence{
// Header: makeHeaderRandom(),
// Vote: makeVote(t, val, chainID, math.MaxInt64, math.MaxInt64, math.MaxInt64, math.MaxInt64, blockID2),
// InvalidHeaderField: "",
// }
// signedHeader := SignedHeader{Header: makeHeaderRandom(), Commit: randCommit(time.Now())}
// evc := &ConflictingHeadersEvidence{
// H1: &signedHeader,
// H2: &signedHeader,
// }
testCases := []struct {
testName string
evidence Evidence
}{
{"DuplicateVote", ev},
// {"LunaticValidatorEvidence", evl},
// {"ConflictingHeadersEvidence", evc},
}
for _, tt := range testCases {
pb, err := EvidenceToProto(tt.evidence)
require.NoError(t, err, tt.testName)
bz, err := pb.Marshal()
require.NoError(t, err, tt.testName)
assert.LessOrEqual(t, int64(len(bz)), MaxEvidenceBytes, tt.testName)
}
}
func randomDuplicatedVoteEvidence(t *testing.T) *DuplicateVoteEvidence {
val := NewMockPV()
blockID := makeBlockID([]byte("blockhash"), 1000, []byte("partshash"))
blockID2 := makeBlockID([]byte("blockhash2"), 1000, []byte("partshash"))
const chainID = "mychain"
return &DuplicateVoteEvidence{
VoteA: makeVote(t, val, chainID, 0, 10, 2, 1, blockID, defaultVoteTime),
VoteB: makeVote(t, val, chainID, 0, 10, 2, 1, blockID2, defaultVoteTime.Add(1*time.Minute)),
}
}
func TestDuplicateVoteEvidenceValidation(t *testing.T) {
val := NewMockPV()
blockID := makeBlockID(tmhash.Sum([]byte("blockhash")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
blockID2 := makeBlockID(tmhash.Sum([]byte("blockhash2")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
const chainID = "mychain"
testCases := []struct {
testName string
malleateEvidence func(*DuplicateVoteEvidence)
expectErr bool
}{
{"Good DuplicateVoteEvidence", func(ev *DuplicateVoteEvidence) {}, false},
{"Nil vote A", func(ev *DuplicateVoteEvidence) { ev.VoteA = nil }, true},
{"Nil vote B", func(ev *DuplicateVoteEvidence) { ev.VoteB = nil }, true},
{"Nil votes", func(ev *DuplicateVoteEvidence) {
ev.VoteA = nil
ev.VoteB = nil
}, true},
{"Invalid vote type", func(ev *DuplicateVoteEvidence) {
ev.VoteA = makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, math.MaxInt32, 0, blockID2, defaultVoteTime)
}, true},
{"Invalid vote order", func(ev *DuplicateVoteEvidence) {
swap := ev.VoteA.Copy()
ev.VoteA = ev.VoteB.Copy()
ev.VoteB = swap
}, true},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.testName, func(t *testing.T) {
vote1 := makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, math.MaxInt32, 0x02, blockID, defaultVoteTime)
vote2 := makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, math.MaxInt32, 0x02, blockID2, defaultVoteTime)
ev := NewDuplicateVoteEvidence(vote1, vote2)
tc.malleateEvidence(ev)
assert.Equal(t, tc.expectErr, ev.ValidateBasic() != nil, "Validate Basic had an unexpected result")
})
}
}
func TestMockEvidenceValidateBasic(t *testing.T) {
goodEvidence := NewMockDuplicateVoteEvidence(int64(1), time.Now(), "mock-chain-id")
assert.Nil(t, goodEvidence.ValidateBasic())
}
func TestLunaticValidatorEvidence(t *testing.T) {
var (
invalidBlockID = makeBlockIDRandom()
header = makeHeaderRandom()
altHeader = makeHeaderRandom()
bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
val = NewMockPV()
)
header.Time = bTime
blockID := BlockID{
Hash: header.Hash(),
PartSetHeader: PartSetHeader{
Total: 100,
Hash: crypto.CRandBytes(tmhash.Size),
},
}
vote := makeVote(t, val, header.ChainID, 0, header.Height, 0, 2, blockID, defaultVoteTime)
ev := NewLunaticValidatorEvidence(header, vote, "AppHash")
//happy path
assert.Equal(t, header.Height, ev.Height())
assert.Equal(t, defaultVoteTime, ev.Time())
assert.EqualValues(t, vote.ValidatorAddress, ev.Address())
assert.NotEmpty(t, ev.Hash())
assert.NotEmpty(t, ev.Bytes())
assert.True(t, ev.Equal(ev))
pubKey, err := val.GetPubKey()
require.NoError(t, err)
assert.NoError(t, ev.Verify(header.ChainID, pubKey))
assert.NoError(t, ev.ValidateBasic())
assert.NotEmpty(t, ev.String())
assert.NoError(t, ev.VerifyHeader(altHeader))
// invalid evidence
assert.Error(t, ev.Verify("other", pubKey))
privKey2 := ed25519.GenPrivKey()
pubKey2 := privKey2.PubKey()
assert.Error(t, ev.Verify(header.ChainID, pubKey2))
assert.Error(t, ev.VerifyHeader(header))
invalidVote := makeVote(t, val, header.ChainID, 0, header.Height, 0, 2, invalidBlockID, defaultVoteTime)
invalidHeightVote := makeVote(t, val, header.ChainID, 0, header.Height+1, 0, 2, blockID, defaultVoteTime)
emptyBlockVote := makeVote(t, val, header.ChainID, 0, header.Height, 0, 2, BlockID{}, defaultVoteTime)
invalidLunaticEvidence := []*LunaticValidatorEvidence{
NewLunaticValidatorEvidence(header, invalidVote, "AppHash"),
NewLunaticValidatorEvidence(header, invalidHeightVote, "AppHash"),
NewLunaticValidatorEvidence(nil, vote, "AppHash"),
NewLunaticValidatorEvidence(header, nil, "AppHash"),
NewLunaticValidatorEvidence(header, vote, "other"),
NewLunaticValidatorEvidence(header, emptyBlockVote, "AppHash"),
}
for idx, ev := range invalidLunaticEvidence {
assert.Error(t, ev.ValidateBasic(), "#%d", idx)
}
}
func TestConflictingHeadersEvidence(t *testing.T) {
const (
chainID = "TestConflictingHeadersEvidence"
height int64 = 37
)
var (
blockID = makeBlockIDRandom()
header1 = makeHeaderRandom()
header2 = makeHeaderRandom()
)
header1.Height = height
header1.LastBlockID = blockID
header1.ChainID = chainID
header2.Height = height
header2.LastBlockID = blockID
header2.ChainID = chainID
voteSet1, valSet, vals := randVoteSet(height, 1, tmproto.PrecommitType, 10, 1)
voteSet2 := NewVoteSet(chainID, height, 1, tmproto.PrecommitType, valSet)
commit1, err := MakeCommit(BlockID{
Hash: header1.Hash(),
PartSetHeader: PartSetHeader{
Total: 100,
Hash: crypto.CRandBytes(tmhash.Size),
},
}, height, 1, voteSet1, vals, time.Now())
require.NoError(t, err)
commit2, err := MakeCommit(BlockID{
Hash: header2.Hash(),
PartSetHeader: PartSetHeader{
Total: 100,
Hash: crypto.CRandBytes(tmhash.Size),
},
}, height, 1, voteSet2, vals, time.Now())
require.NoError(t, err)
h1 := &SignedHeader{
Header: header1,
Commit: commit1,
}
h2 := &SignedHeader{
Header: header2,
Commit: commit2,
}
ev := NewConflictingHeadersEvidence(h1, h2)
assert.Panics(t, func() {
ev.Address()
})
assert.Panics(t, func() {
pubKey, _ := vals[0].GetPubKey()
ev.Verify(chainID, pubKey)
})
assert.Equal(t, height, ev.Height())
assert.Equal(t, ev.H2.Time, ev.Time())
assert.NotEmpty(t, ev.Hash())
assert.NotEmpty(t, ev.Bytes())
assert.NoError(t, ev.VerifyComposite(header1, valSet))
assert.True(t, ev.Equal(ev))
assert.NoError(t, ev.ValidateBasic())
assert.NotEmpty(t, ev.String())
}
func TestPotentialAmnesiaEvidence(t *testing.T) {
const (
chainID = "TestPotentialAmnesiaEvidence"
height int64 = 37
)
var (
val = NewMockPV()
val2 = NewMockPV()
blockID = makeBlockID(tmhash.Sum([]byte("blockhash")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
blockID2 = makeBlockID(tmhash.Sum([]byte("blockhash2")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
vote1 = makeVote(t, val, chainID, 0, height, 0, 2, blockID, defaultVoteTime)
vote2 = makeVote(t, val, chainID, 0, height, 1, 2, blockID2, defaultVoteTime.Add(1*time.Second))
vote3 = makeVote(t, val, chainID, 0, height, 2, 2, blockID, defaultVoteTime)
)
ev := NewPotentialAmnesiaEvidence(vote1, vote2)
assert.Equal(t, height, ev.Height())
assert.Equal(t, vote2.Timestamp, ev.Time())
assert.EqualValues(t, vote1.ValidatorAddress, ev.Address())
assert.NotEmpty(t, ev.Hash())
assert.NotEmpty(t, ev.Bytes())
pubKey, err := val.GetPubKey()
require.NoError(t, err)
assert.NoError(t, ev.Verify(chainID, pubKey))
assert.Error(t, ev.Verify("other", pubKey))
privKey2 := ed25519.GenPrivKey()
pubKey2 := privKey2.PubKey()
assert.Error(t, ev.Verify("other", pubKey2))
assert.True(t, ev.Equal(ev))
assert.NoError(t, ev.ValidateBasic())
assert.NotEmpty(t, ev.String())
ev2 := &PotentialAmnesiaEvidence{
VoteA: vote1,
VoteB: vote2,
HeightStamp: 5,
}
assert.True(t, ev.Equal(ev2))
assert.Equal(t, ev.Hash(), ev2.Hash())
ev3 := NewPotentialAmnesiaEvidence(vote2, vote1)
assert.True(t, ev3.Equal(ev))
ev4 := &PotentialAmnesiaEvidence{
VoteA: vote3,
VoteB: vote2,
}
assert.NoError(t, ev4.ValidateBasic())
assert.NotEqual(t, ev.Hash(), ev4.Hash())
assert.False(t, ev.Equal(ev4))
// bad evidence
badEv := []*PotentialAmnesiaEvidence{
// first vote is for a later time than the second vote
{
VoteA: vote2,
VoteB: vote1,
},
// votes are for the same round
{
VoteA: vote1,
VoteB: makeVote(t, val, chainID, 0, height, 0, 2, blockID2, defaultVoteTime.Add(1*time.Second)),
},
// first vote was for a nil block - not locked
{
VoteA: makeVote(t, val, chainID, 0, height, 0, 2, BlockID{}, defaultVoteTime.Add(1*time.Second)),
VoteB: vote2,
},
// second vote is from a different validator
{
VoteA: vote1,
VoteB: makeVote(t, val2, chainID, 0, height, 1, 2, blockID2, defaultVoteTime.Add(1*time.Second)),
},
}
for _, ev := range badEv {
assert.Error(t, ev.ValidateBasic())
}
}
func TestProofOfLockChange(t *testing.T) {
const (
chainID = "test_chain_id"
height int64 = 37
)
// 1: valid POLC - nothing should fail
voteSet, valSet, privValidators, blockID := buildVoteSet(height, 1, 3, 7, 0, tmproto.PrecommitType)
pubKey, err := privValidators[7].GetPubKey()
require.NoError(t, err)
polc, err := NewPOLCFromVoteSet(voteSet, pubKey, blockID)
assert.NoError(t, err)
assert.Equal(t, height, polc.Height())
assert.NoError(t, polc.ValidateBasic())
assert.NoError(t, polc.ValidateVotes(valSet, chainID))
assert.NotEmpty(t, polc.String())
// tamper with one of the votes
polc.Votes[0].Timestamp = time.Now().Add(1 * time.Second)
err = polc.ValidateVotes(valSet, chainID)
t.Log(err)
assert.Error(t, err)
// remove a vote such that majority wasn't reached
polc.Votes = polc.Votes[1:]
err = polc.ValidateVotes(valSet, chainID)
t.Log(err)
assert.Error(t, err)
// test validate basic on a set of bad cases
var badPOLCs []*ProofOfLockChange
// 2: node has already voted in next round
pubKey, err = privValidators[0].GetPubKey()
require.NoError(t, err)
polc2 := newPOLCFromVoteSet(voteSet, pubKey, blockID)
badPOLCs = append(badPOLCs, polc2)
// 3: one vote was from a different round
voteSet, _, privValidators, blockID = buildVoteSet(height, 1, 3, 7, 0, tmproto.PrecommitType)
pubKey, err = privValidators[7].GetPubKey()
require.NoError(t, err)
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
badVote := makeVote(t, privValidators[8], chainID, 8, height, 2, 2, blockID, defaultVoteTime)
polc.Votes = append(polc.Votes, badVote)
badPOLCs = append(badPOLCs, polc)
// 4: one vote was from a different height
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
badVote = makeVote(t, privValidators[8], chainID, 8, height+1, 1, 2, blockID, defaultVoteTime)
polc.Votes = append(polc.Votes, badVote)
badPOLCs = append(badPOLCs, polc)
// 5: one vote was from a different vote type
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
badVote = makeVote(t, privValidators[8], chainID, 8, height, 1, 1, blockID, defaultVoteTime)
polc.Votes = append(polc.Votes, badVote)
badPOLCs = append(badPOLCs, polc)
// 5: one of the votes was for a nil block
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
badVote = makeVote(t, privValidators[8], chainID, 8, height, 1, 2, BlockID{}, defaultVoteTime)
polc.Votes = append(polc.Votes, badVote)
badPOLCs = append(badPOLCs, polc)
for idx, polc := range badPOLCs {
err := polc.ValidateBasic()
t.Logf("case: %d: %v", idx+2, err)
assert.Error(t, err)
if err == nil {
t.Errorf("test no. %d failed", idx+2)
}
}
}
func TestAmnesiaEvidence(t *testing.T) {
const (
chainID = "test_chain_id"
height int64 = 37
)
voteSet, valSet, privValidators, blockID := buildVoteSet(height, 1, 2, 7, 0, tmproto.PrecommitType)
var (
val = privValidators[7]
pubKey, _ = val.GetPubKey()
blockID2 = makeBlockID(tmhash.Sum([]byte("blockhash2")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
vote1 = makeVote(t, val, chainID, 7, height, 0, 2, blockID2, time.Now())
vote2 = makeVote(t, val, chainID, 7, height, 1, 2, blockID,
time.Now().Add(time.Second))
vote3 = makeVote(t, val, chainID, 7, height, 2, 2, blockID2, time.Now())
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
)
require.False(t, polc.IsAbsent())
pe := &PotentialAmnesiaEvidence{
VoteA: vote1,
VoteB: vote2,
}
emptyAmnesiaEvidence := NewAmnesiaEvidence(pe, NewEmptyPOLC())
assert.NoError(t, emptyAmnesiaEvidence.ValidateBasic())
violated, reason := emptyAmnesiaEvidence.ViolatedConsensus()
if assert.True(t, violated) {
assert.Equal(t, reason, "no proof of lock was provided")
}
assert.NoError(t, emptyAmnesiaEvidence.Verify(chainID, pubKey))
completeAmnesiaEvidence := NewAmnesiaEvidence(pe, polc)
assert.NoError(t, completeAmnesiaEvidence.ValidateBasic())
violated, reason = completeAmnesiaEvidence.ViolatedConsensus()
if !assert.False(t, violated) {
t.Log(reason)
}
assert.NoError(t, completeAmnesiaEvidence.Verify(chainID, pubKey))
assert.NoError(t, completeAmnesiaEvidence.Polc.ValidateVotes(valSet, chainID))
assert.True(t, completeAmnesiaEvidence.Equal(emptyAmnesiaEvidence))
assert.Equal(t, completeAmnesiaEvidence.Hash(), emptyAmnesiaEvidence.Hash())
assert.NotEmpty(t, completeAmnesiaEvidence.Hash())
assert.NotEmpty(t, completeAmnesiaEvidence.Bytes())
pe2 := &PotentialAmnesiaEvidence{
VoteA: vote3,
VoteB: vote2,
}
// validator has incorrectly voted for a previous round after voting for a later round
ae := NewAmnesiaEvidence(pe2, NewEmptyPOLC())
assert.NoError(t, ae.ValidateBasic())
violated, reason = ae.ViolatedConsensus()
if assert.True(t, violated) {
assert.Equal(t, reason, "validator went back and voted on a previous round")
}
var badAE []*AmnesiaEvidence
// 1) Polc is at an incorrect height
voteSet, _, _ = buildVoteSetForBlock(height+1, 1, 2, 7, 0, tmproto.PrecommitType, blockID)
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
badAE = append(badAE, NewAmnesiaEvidence(pe, polc))
// 2) Polc is of a later round
voteSet, _, _ = buildVoteSetForBlock(height, 2, 2, 7, 0, tmproto.PrecommitType, blockID)
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
badAE = append(badAE, NewAmnesiaEvidence(pe, polc))
// 3) Polc has a different public key
voteSet, _, privValidators = buildVoteSetForBlock(height, 1, 2, 7, 0, tmproto.PrecommitType, blockID)
pubKey2, _ := privValidators[7].GetPubKey()
polc = newPOLCFromVoteSet(voteSet, pubKey2, blockID)
badAE = append(badAE, NewAmnesiaEvidence(pe, polc))
// 4) Polc has a different block ID
voteSet, _, _, blockID = buildVoteSet(height, 1, 2, 7, 0, tmproto.PrecommitType)
polc = newPOLCFromVoteSet(voteSet, pubKey, blockID)
badAE = append(badAE, NewAmnesiaEvidence(pe, polc))
for idx, ae := range badAE {
t.Log(ae.ValidateBasic())
if !assert.Error(t, ae.ValidateBasic()) {
t.Errorf("test no. %d failed", idx+1)
}
}
}
func makeVote(
t *testing.T, val PrivValidator, chainID string, valIndex int32, height int64, round int32, step int, blockID BlockID,
time time.Time) *Vote {
pubKey, err := val.GetPubKey()
require.NoError(t, err)
v := &Vote{
ValidatorAddress: pubKey.Address(),
ValidatorIndex: valIndex,
Height: height,
Round: round,
Type: tmproto.SignedMsgType(step),
BlockID: blockID,
Timestamp: time,
}
vpb := v.ToProto()
err = val.SignVote(chainID, vpb)
if err != nil {
panic(err)
}
v.Signature = vpb.Signature
return v
}
func makeHeaderRandom() *Header {
return &Header{
ChainID: tmrand.Str(12),
Height: int64(tmrand.Uint16()) + 1,
Time: time.Now(),
LastBlockID: makeBlockIDRandom(),
LastCommitHash: crypto.CRandBytes(tmhash.Size),
DataHash: crypto.CRandBytes(tmhash.Size),
ValidatorsHash: crypto.CRandBytes(tmhash.Size),
NextValidatorsHash: crypto.CRandBytes(tmhash.Size),
ConsensusHash: crypto.CRandBytes(tmhash.Size),
AppHash: crypto.CRandBytes(tmhash.Size),
LastResultsHash: crypto.CRandBytes(tmhash.Size),
EvidenceHash: crypto.CRandBytes(tmhash.Size),
ProposerAddress: crypto.CRandBytes(crypto.AddressSize),
}
}
func TestEvidenceProto(t *testing.T) {
// -------- Votes --------
val := NewMockPV()
blockID := makeBlockID(tmhash.Sum([]byte("blockhash")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
blockID2 := makeBlockID(tmhash.Sum([]byte("blockhash2")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
const chainID = "mychain"
v := makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, 1, 0x01, blockID, defaultVoteTime)
v2 := makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, 2, 0x01, blockID2, defaultVoteTime)
// -------- SignedHeaders --------
const height int64 = 37
var (
header1 = makeHeaderRandom()
header2 = makeHeaderRandom()
)
header1.Height = height
header1.LastBlockID = blockID
header1.ChainID = chainID
header2.Height = height
header2.LastBlockID = blockID
header2.ChainID = chainID
voteSet1, valSet, vals := randVoteSet(height, 1, tmproto.PrecommitType, 10, 1)
voteSet2 := NewVoteSet(chainID, height, 1, tmproto.PrecommitType, valSet)
commit1, err := MakeCommit(BlockID{
Hash: header1.Hash(),
PartSetHeader: PartSetHeader{
Total: 100,
Hash: crypto.CRandBytes(tmhash.Size),
},
}, height, 1, voteSet1, vals, time.Now())
require.NoError(t, err)
commit2, err := MakeCommit(BlockID{
Hash: header2.Hash(),
PartSetHeader: PartSetHeader{
Total: 100,
Hash: crypto.CRandBytes(tmhash.Size),
},
}, height, 1, voteSet2, vals, time.Now())
require.NoError(t, err)
h1 := &SignedHeader{
Header: header1,
Commit: commit1,
}
h2 := &SignedHeader{
Header: header2,
Commit: commit2,
}
tests := []struct {
testName string
evidence Evidence
toProtoErr bool
fromProtoErr bool
}{
{"nil fail", nil, true, true},
{"DuplicateVoteEvidence empty fail", &DuplicateVoteEvidence{}, false, true},
{"DuplicateVoteEvidence nil voteB", &DuplicateVoteEvidence{VoteA: v, VoteB: nil}, false, true},
{"DuplicateVoteEvidence nil voteA", &DuplicateVoteEvidence{VoteA: nil, VoteB: v}, false, true},
{"DuplicateVoteEvidence success", &DuplicateVoteEvidence{VoteA: v2, VoteB: v}, false, false},
{"ConflictingHeadersEvidence empty fail", &ConflictingHeadersEvidence{}, false, true},
{"ConflictingHeadersEvidence nil H2", &ConflictingHeadersEvidence{H1: h1, H2: nil}, false, true},
{"ConflictingHeadersEvidence nil H1", &ConflictingHeadersEvidence{H1: nil, H2: h2}, false, true},
{"ConflictingHeadersEvidence success", &ConflictingHeadersEvidence{H1: h1, H2: h2}, false, false},
{"LunaticValidatorEvidence success", &LunaticValidatorEvidence{Header: header1,
Vote: v, InvalidHeaderField: "ValidatorsHash"}, false, true},
{"&LunaticValidatorEvidence empty fail", &LunaticValidatorEvidence{}, false, true},
{"LunaticValidatorEvidence only header fail", &LunaticValidatorEvidence{Header: header1}, false, true},
{"LunaticValidatorEvidence only vote fail", &LunaticValidatorEvidence{Vote: v}, false, true},
{"LunaticValidatorEvidence header & vote fail", &LunaticValidatorEvidence{Header: header1, Vote: v}, false, true},
{"LunaticValidatorEvidence empty fail", &LunaticValidatorEvidence{}, false, true},
{"PotentialAmnesiaEvidence empty fail", &PotentialAmnesiaEvidence{}, false, true},
{"PotentialAmnesiaEvidence nil VoteB", &PotentialAmnesiaEvidence{VoteA: v, VoteB: nil}, false, true},
{"PotentialAmnesiaEvidence nil VoteA", &PotentialAmnesiaEvidence{VoteA: nil, VoteB: v2}, false, true},
{"PotentialAmnesiaEvidence success", &PotentialAmnesiaEvidence{VoteA: v2, VoteB: v}, false, false},
{"AmnesiaEvidence nil ProofOfLockChange", &AmnesiaEvidence{PotentialAmnesiaEvidence: &PotentialAmnesiaEvidence{},
Polc: NewEmptyPOLC()}, false, true},
{"AmnesiaEvidence nil Polc",
&AmnesiaEvidence{PotentialAmnesiaEvidence: &PotentialAmnesiaEvidence{VoteA: v2, VoteB: v},
Polc: &ProofOfLockChange{}}, false, false},
{"AmnesiaEvidence success", &AmnesiaEvidence{PotentialAmnesiaEvidence: &PotentialAmnesiaEvidence{VoteA: v2, VoteB: v},
Polc: NewEmptyPOLC()}, false, false},
}
for _, tt := range tests {
tt := tt
t.Run(tt.testName, func(t *testing.T) {
pb, err := EvidenceToProto(tt.evidence)
if tt.toProtoErr {
assert.Error(t, err, tt.testName)
return
}
assert.NoError(t, err, tt.testName)
evi, err := EvidenceFromProto(pb)
if tt.fromProtoErr {
assert.Error(t, err, tt.testName)
return
}
require.Equal(t, tt.evidence, evi, tt.testName)
})
}
}
func TestProofOfLockChangeProtoBuf(t *testing.T) {
// -------- Votes --------
val := NewMockPV()
val2 := NewMockPV()
val3 := NewMockPV()
blockID := makeBlockID(tmhash.Sum([]byte("blockhash")), math.MaxInt32, tmhash.Sum([]byte("partshash")))
const chainID = "mychain"
v := makeVote(t, val, chainID, math.MaxInt32, math.MaxInt64, 1, 0x01, blockID, defaultVoteTime)
v2 := makeVote(t, val2, chainID, math.MaxInt32, math.MaxInt64, 1, 0x01, blockID, defaultVoteTime)
testCases := []struct {
msg string
polc *ProofOfLockChange
toProtoErr bool
fromProtoErr bool
}{
{"failure, empty key", &ProofOfLockChange{Votes: []*Vote{v, v2}, PubKey: nil}, true, false},
{"failure, empty votes", &ProofOfLockChange{PubKey: val3.PrivKey.PubKey()}, true, false},
{"success empty ProofOfLockChange", NewEmptyPOLC(), false, false},
{"success", &ProofOfLockChange{Votes: []*Vote{v, v2}, PubKey: val3.PrivKey.PubKey()}, false, false},
}
for _, tc := range testCases {
tc := tc
pbpolc, err := tc.polc.ToProto()
if tc.toProtoErr {
assert.Error(t, err, tc.msg)
} else {
assert.NoError(t, err, tc.msg)
}
c, err := ProofOfLockChangeFromProto(pbpolc)
if !tc.fromProtoErr {
assert.NoError(t, err, tc.msg)
if !tc.toProtoErr {
assert.Equal(t, tc.polc, c, tc.msg)
}
} else {
assert.Error(t, err, tc.msg)
}
}
}