You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
324 lines
10 KiB
324 lines
10 KiB
package consensus
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
. "github.com/tendermint/tendermint/block"
|
|
. "github.com/tendermint/tendermint/common"
|
|
. "github.com/tendermint/tendermint/common/test"
|
|
"github.com/tendermint/tendermint/state"
|
|
|
|
"testing"
|
|
)
|
|
|
|
// NOTE: see consensus/test.go for common test methods.
|
|
|
|
// Convenience: Return new vote with different height
|
|
func withHeight(vote *Vote, height uint) *Vote {
|
|
vote = vote.Copy()
|
|
vote.Height = height
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different round
|
|
func withRound(vote *Vote, round uint) *Vote {
|
|
vote = vote.Copy()
|
|
vote.Round = round
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different type
|
|
func withType(vote *Vote, type_ byte) *Vote {
|
|
vote = vote.Copy()
|
|
vote.Type = type_
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different blockHash
|
|
func withBlockHash(vote *Vote, blockHash []byte) *Vote {
|
|
vote = vote.Copy()
|
|
vote.BlockHash = blockHash
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different blockParts
|
|
func withBlockParts(vote *Vote, blockParts PartSetHeader) *Vote {
|
|
vote = vote.Copy()
|
|
vote.BlockParts = blockParts
|
|
return vote
|
|
}
|
|
|
|
func signAddVote(privVal *state.PrivValidator, vote *Vote, voteSet *VoteSet) (bool, error) {
|
|
vote.Signature = privVal.SignVoteUnsafe(vote)
|
|
added, _, err := voteSet.Add(privVal.Address, vote)
|
|
return added, err
|
|
}
|
|
|
|
func TestAddVote(t *testing.T) {
|
|
height, round := uint(1), uint(0)
|
|
voteSet, _, privValidators := randVoteSet(height, round, VoteTypePrevote, 10, 1)
|
|
val0 := privValidators[0]
|
|
|
|
// t.Logf(">> %v", voteSet)
|
|
|
|
if voteSet.GetByAddress(val0.Address) != nil {
|
|
t.Errorf("Expected GetByAddress(val0.Address) to be nil")
|
|
}
|
|
if voteSet.BitArray().GetIndex(0) {
|
|
t.Errorf("Expected BitArray.GetIndex(0) to be false")
|
|
}
|
|
hash, header, ok := voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority")
|
|
}
|
|
|
|
vote := &Vote{Height: height, Round: round, Type: VoteTypePrevote, BlockHash: nil}
|
|
signAddVote(val0, vote, voteSet)
|
|
|
|
if voteSet.GetByAddress(val0.Address) == nil {
|
|
t.Errorf("Expected GetByAddress(val0.Address) to be present")
|
|
}
|
|
if !voteSet.BitArray().GetIndex(0) {
|
|
t.Errorf("Expected BitArray.GetIndex(0) to be true")
|
|
}
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority")
|
|
}
|
|
}
|
|
|
|
func Test2_3Majority(t *testing.T) {
|
|
height, round := uint(1), uint(0)
|
|
voteSet, _, privValidators := randVoteSet(height, round, VoteTypePrevote, 10, 1)
|
|
|
|
vote := &Vote{Height: height, Round: round, Type: VoteTypePrevote, BlockHash: nil}
|
|
|
|
// 6 out of 10 voted for nil.
|
|
for i := 0; i < 6; i++ {
|
|
signAddVote(privValidators[i], vote, voteSet)
|
|
}
|
|
hash, header, ok := voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority")
|
|
}
|
|
|
|
// 7th validator voted for some blockhash
|
|
{
|
|
signAddVote(privValidators[6], withBlockHash(vote, RandBytes(32)), voteSet)
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority")
|
|
}
|
|
}
|
|
|
|
// 8th validator voted for nil.
|
|
{
|
|
signAddVote(privValidators[7], vote, voteSet)
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || !ok {
|
|
t.Errorf("There should be 2/3 majority for nil")
|
|
}
|
|
}
|
|
}
|
|
|
|
func Test2_3MajorityRedux(t *testing.T) {
|
|
height, round := uint(1), uint(0)
|
|
voteSet, _, privValidators := randVoteSet(height, round, VoteTypePrevote, 100, 1)
|
|
|
|
blockHash := CRandBytes(32)
|
|
blockPartsTotal := uint(123)
|
|
blockParts := PartSetHeader{blockPartsTotal, CRandBytes(32)}
|
|
|
|
vote := &Vote{Height: height, Round: round, Type: VoteTypePrevote, BlockHash: blockHash, BlockParts: blockParts}
|
|
|
|
// 66 out of 100 voted for nil.
|
|
for i := 0; i < 66; i++ {
|
|
signAddVote(privValidators[i], vote, voteSet)
|
|
}
|
|
hash, header, ok := voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority")
|
|
}
|
|
|
|
// 67th validator voted for nil
|
|
{
|
|
signAddVote(privValidators[66], withBlockHash(vote, nil), voteSet)
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority: last vote added was nil")
|
|
}
|
|
}
|
|
|
|
// 68th validator voted for a different BlockParts PartSetHeader
|
|
{
|
|
blockParts := PartSetHeader{blockPartsTotal, CRandBytes(32)}
|
|
signAddVote(privValidators[67], withBlockParts(vote, blockParts), voteSet)
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority: last vote added had different PartSetHeader Hash")
|
|
}
|
|
}
|
|
|
|
// 69th validator voted for different BlockParts Total
|
|
{
|
|
blockParts := PartSetHeader{blockPartsTotal + 1, blockParts.Hash}
|
|
signAddVote(privValidators[68], withBlockParts(vote, blockParts), voteSet)
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority: last vote added had different PartSetHeader Total")
|
|
}
|
|
}
|
|
|
|
// 70th validator voted for different BlockHash
|
|
{
|
|
signAddVote(privValidators[69], withBlockHash(vote, RandBytes(32)), voteSet)
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority: last vote added had different BlockHash")
|
|
}
|
|
}
|
|
|
|
// 71st validator voted for the right BlockHash & BlockParts
|
|
{
|
|
signAddVote(privValidators[70], vote, voteSet)
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if !bytes.Equal(hash, blockHash) || !header.Equals(blockParts) || !ok {
|
|
t.Errorf("There should be 2/3 majority")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBadVotes(t *testing.T) {
|
|
height, round := uint(1), uint(0)
|
|
voteSet, _, privValidators := randVoteSet(height, round, VoteTypePrevote, 10, 1)
|
|
|
|
// val0 votes for nil.
|
|
vote := &Vote{Height: height, Round: round, Type: VoteTypePrevote, BlockHash: nil}
|
|
added, err := signAddVote(privValidators[0], vote, voteSet)
|
|
if !added || err != nil {
|
|
t.Errorf("Expected Add() to succeed")
|
|
}
|
|
|
|
// val0 votes again for some block.
|
|
added, err = signAddVote(privValidators[0], withBlockHash(vote, RandBytes(32)), voteSet)
|
|
if added || err == nil {
|
|
t.Errorf("Expected Add() to fail, dupeout.")
|
|
}
|
|
|
|
// val1 votes on another height
|
|
added, err = signAddVote(privValidators[1], withHeight(vote, height+1), voteSet)
|
|
if added {
|
|
t.Errorf("Expected Add() to fail, wrong height")
|
|
}
|
|
|
|
// val2 votes on another round
|
|
added, err = signAddVote(privValidators[2], withRound(vote, round+1), voteSet)
|
|
if added {
|
|
t.Errorf("Expected Add() to fail, wrong round")
|
|
}
|
|
|
|
// val3 votes of another type.
|
|
added, err = signAddVote(privValidators[3], withType(vote, VoteTypePrecommit), voteSet)
|
|
if added {
|
|
t.Errorf("Expected Add() to fail, wrong type")
|
|
}
|
|
}
|
|
|
|
func TestAddCommitsToPrevoteVotes(t *testing.T) {
|
|
height, round := uint(2), uint(5)
|
|
voteSet, _, privValidators := randVoteSet(height, round, VoteTypePrevote, 10, 1)
|
|
|
|
// val0, val1, val2, val3, val4, val5 vote for nil.
|
|
vote := &Vote{Height: height, Round: round, Type: VoteTypePrevote, BlockHash: nil}
|
|
for i := 0; i < 6; i++ {
|
|
signAddVote(privValidators[i], vote, voteSet)
|
|
}
|
|
hash, header, ok := voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || ok {
|
|
t.Errorf("There should be no 2/3 majority")
|
|
}
|
|
|
|
// Attempt to add a commit from val6 at a previous height
|
|
vote = &Vote{Height: height - 1, Round: round, Type: VoteTypeCommit, BlockHash: nil}
|
|
added, _ := signAddVote(privValidators[6], vote, voteSet)
|
|
if added {
|
|
t.Errorf("Expected Add() to fail, wrong height.")
|
|
}
|
|
|
|
// Attempt to add a commit from val6 at a later round
|
|
vote = &Vote{Height: height, Round: round + 1, Type: VoteTypeCommit, BlockHash: nil}
|
|
added, _ = signAddVote(privValidators[6], vote, voteSet)
|
|
if added {
|
|
t.Errorf("Expected Add() to fail, cannot add future round vote.")
|
|
}
|
|
|
|
// Attempt to add a commit from val6 for currrent height/round.
|
|
vote = &Vote{Height: height, Round: round, Type: VoteTypeCommit, BlockHash: nil}
|
|
added, err := signAddVote(privValidators[6], vote, voteSet)
|
|
if added || err == nil {
|
|
t.Errorf("Expected Add() to fail, only prior round commits can be added.")
|
|
}
|
|
|
|
// Add commit from val6 at a previous round
|
|
vote = &Vote{Height: height, Round: round - 1, Type: VoteTypeCommit, BlockHash: nil}
|
|
added, err = signAddVote(privValidators[6], vote, voteSet)
|
|
if !added || err != nil {
|
|
t.Errorf("Expected Add() to succeed, commit for prior rounds are relevant.")
|
|
}
|
|
|
|
// Also add commit from val7 for previous round.
|
|
vote = &Vote{Height: height, Round: round - 2, Type: VoteTypeCommit, BlockHash: nil}
|
|
added, err = signAddVote(privValidators[7], vote, voteSet)
|
|
if !added || err != nil {
|
|
t.Errorf("Expected Add() to succeed. err: %v", err)
|
|
}
|
|
|
|
// We should have 2/3 majority
|
|
hash, header, ok = voteSet.TwoThirdsMajority()
|
|
if hash != nil || !header.IsZero() || !ok {
|
|
t.Errorf("There should be 2/3 majority for nil")
|
|
}
|
|
|
|
}
|
|
|
|
func TestMakeValidation(t *testing.T) {
|
|
height, round := uint(1), uint(0)
|
|
voteSet, _, privValidators := randVoteSet(height, round, VoteTypeCommit, 10, 1)
|
|
blockHash, blockParts := CRandBytes(32), PartSetHeader{123, CRandBytes(32)}
|
|
|
|
vote := &Vote{Height: height, Round: round, Type: VoteTypeCommit,
|
|
BlockHash: blockHash, BlockParts: blockParts}
|
|
|
|
// 6 out of 10 voted for some block.
|
|
for i := 0; i < 6; i++ {
|
|
signAddVote(privValidators[i], vote, voteSet)
|
|
}
|
|
|
|
// MakeValidation should fail.
|
|
AssertPanics(t, "Doesn't have +2/3 majority", func() { voteSet.MakeValidation() })
|
|
|
|
// 7th voted for some other block.
|
|
{
|
|
vote := withBlockHash(vote, RandBytes(32))
|
|
vote = withBlockParts(vote, PartSetHeader{123, RandBytes(32)})
|
|
signAddVote(privValidators[6], vote, voteSet)
|
|
}
|
|
|
|
// The 8th voted like everyone else.
|
|
{
|
|
signAddVote(privValidators[7], vote, voteSet)
|
|
}
|
|
|
|
validation := voteSet.MakeValidation()
|
|
|
|
// Validation should have 10 elements
|
|
if len(validation.Commits) != 10 {
|
|
t.Errorf("Validation Commits should have the same number of commits as validators")
|
|
}
|
|
|
|
// Ensure that Validation commits are ordered.
|
|
if err := validation.ValidateBasic(); err != nil {
|
|
t.Errorf("Error in Validation.ValidateBasic(): %v", err)
|
|
}
|
|
|
|
}
|