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589 lines
18 KiB
589 lines
18 KiB
package types
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import (
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"bytes"
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"context"
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"sort"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/crypto"
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tmrand "github.com/tendermint/tendermint/libs/rand"
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tmtime "github.com/tendermint/tendermint/libs/time"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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)
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func TestVoteSet_AddVote_Good(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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height, round := int64(1), int32(0)
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voteSet, _, privValidators := randVoteSet(ctx, t, height, round, tmproto.PrevoteType, 10, 1)
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val0 := privValidators[0]
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val0p, err := val0.GetPubKey(ctx)
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require.NoError(t, err)
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val0Addr := val0p.Address()
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assert.Nil(t, voteSet.GetByAddress(val0Addr))
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assert.False(t, voteSet.BitArray().GetIndex(0))
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blockID, ok := voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(), "there should be no 2/3 majority")
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vote := &Vote{
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ValidatorAddress: val0Addr,
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ValidatorIndex: 0, // since privValidators are in order
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Height: height,
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Round: round,
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Type: tmproto.PrevoteType,
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Timestamp: tmtime.Now(),
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BlockID: BlockID{nil, PartSetHeader{}},
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}
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_, err = signAddVote(ctx, val0, vote, voteSet)
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require.NoError(t, err)
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assert.NotNil(t, voteSet.GetByAddress(val0Addr))
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assert.True(t, voteSet.BitArray().GetIndex(0))
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(), "there should be no 2/3 majority")
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}
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func TestVoteSet_AddVote_Bad(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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height, round := int64(1), int32(0)
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voteSet, _, privValidators := randVoteSet(ctx, t, height, round, tmproto.PrevoteType, 10, 1)
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voteProto := &Vote{
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ValidatorAddress: nil,
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ValidatorIndex: -1,
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Height: height,
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Round: round,
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Timestamp: tmtime.Now(),
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Type: tmproto.PrevoteType,
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BlockID: BlockID{nil, PartSetHeader{}},
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}
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// val0 votes for nil.
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{
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pubKey, err := privValidators[0].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 0)
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added, err := signAddVote(ctx, privValidators[0], vote, voteSet)
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if !added || err != nil {
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t.Errorf("expected VoteSet.Add to succeed")
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}
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}
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// val0 votes again for some block.
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{
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pubKey, err := privValidators[0].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 0)
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added, err := signAddVote(ctx, privValidators[0], withBlockHash(vote, tmrand.Bytes(32)), voteSet)
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if added || err == nil {
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t.Errorf("expected VoteSet.Add to fail, conflicting vote.")
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}
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}
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// val1 votes on another height
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{
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pubKey, err := privValidators[1].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 1)
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added, err := signAddVote(ctx, privValidators[1], withHeight(vote, height+1), voteSet)
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if added || err == nil {
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t.Errorf("expected VoteSet.Add to fail, wrong height")
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}
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}
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// val2 votes on another round
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{
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pubKey, err := privValidators[2].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 2)
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added, err := signAddVote(ctx, privValidators[2], withRound(vote, round+1), voteSet)
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if added || err == nil {
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t.Errorf("expected VoteSet.Add to fail, wrong round")
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}
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}
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// val3 votes of another type.
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{
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pubKey, err := privValidators[3].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 3)
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added, err := signAddVote(ctx, privValidators[3], withType(vote, byte(tmproto.PrecommitType)), voteSet)
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if added || err == nil {
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t.Errorf("expected VoteSet.Add to fail, wrong type")
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}
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}
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}
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func TestVoteSet_2_3Majority(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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height, round := int64(1), int32(0)
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voteSet, _, privValidators := randVoteSet(ctx, t, height, round, tmproto.PrevoteType, 10, 1)
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voteProto := &Vote{
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ValidatorAddress: nil, // NOTE: must fill in
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ValidatorIndex: -1, // NOTE: must fill in
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Height: height,
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Round: round,
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Type: tmproto.PrevoteType,
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Timestamp: tmtime.Now(),
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BlockID: BlockID{nil, PartSetHeader{}},
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}
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// 6 out of 10 voted for nil.
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for i := int32(0); i < 6; i++ {
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pubKey, err := privValidators[i].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, i)
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_, err = signAddVote(ctx, privValidators[i], vote, voteSet)
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require.NoError(t, err)
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}
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blockID, ok := voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(), "there should be no 2/3 majority")
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// 7th validator voted for some blockhash
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{
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pubKey, err := privValidators[6].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 6)
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_, err = signAddVote(ctx, privValidators[6], withBlockHash(vote, tmrand.Bytes(32)), voteSet)
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require.NoError(t, err)
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(), "there should be no 2/3 majority")
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}
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// 8th validator voted for nil.
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{
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pubKey, err := privValidators[7].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 7)
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_, err = signAddVote(ctx, privValidators[7], vote, voteSet)
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require.NoError(t, err)
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.True(t, ok || blockID.IsNil(), "there should be 2/3 majority for nil")
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}
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}
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func TestVoteSet_2_3MajorityRedux(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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height, round := int64(1), int32(0)
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voteSet, _, privValidators := randVoteSet(ctx, t, height, round, tmproto.PrevoteType, 100, 1)
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blockHash := crypto.CRandBytes(32)
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blockPartsTotal := uint32(123)
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blockPartSetHeader := PartSetHeader{blockPartsTotal, crypto.CRandBytes(32)}
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voteProto := &Vote{
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ValidatorAddress: nil, // NOTE: must fill in
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ValidatorIndex: -1, // NOTE: must fill in
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Height: height,
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Round: round,
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Timestamp: tmtime.Now(),
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Type: tmproto.PrevoteType,
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BlockID: BlockID{blockHash, blockPartSetHeader},
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}
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// 66 out of 100 voted for nil.
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for i := int32(0); i < 66; i++ {
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pubKey, err := privValidators[i].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, i)
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_, err = signAddVote(ctx, privValidators[i], vote, voteSet)
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require.NoError(t, err)
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}
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blockID, ok := voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(),
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"there should be no 2/3 majority")
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// 67th validator voted for nil
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{
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pubKey, err := privValidators[66].GetPubKey(ctx)
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require.NoError(t, err)
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adrr := pubKey.Address()
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vote := withValidator(voteProto, adrr, 66)
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_, err = signAddVote(ctx, privValidators[66], withBlockHash(vote, nil), voteSet)
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require.NoError(t, err)
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(),
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"there should be no 2/3 majority: last vote added was nil")
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}
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// 68th validator voted for a different BlockParts PartSetHeader
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{
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pubKey, err := privValidators[67].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 67)
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blockPartsHeader := PartSetHeader{blockPartsTotal, crypto.CRandBytes(32)}
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_, err = signAddVote(ctx, privValidators[67], withBlockPartSetHeader(vote, blockPartsHeader), voteSet)
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require.NoError(t, err)
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(),
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"there should be no 2/3 majority: last vote added had different PartSetHeader Hash")
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}
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// 69th validator voted for different BlockParts Total
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{
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pubKey, err := privValidators[68].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 68)
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blockPartsHeader := PartSetHeader{blockPartsTotal + 1, blockPartSetHeader.Hash}
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_, err = signAddVote(ctx, privValidators[68], withBlockPartSetHeader(vote, blockPartsHeader), voteSet)
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require.NoError(t, err)
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(),
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"there should be no 2/3 majority: last vote added had different PartSetHeader Total")
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}
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// 70th validator voted for different BlockHash
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{
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pubKey, err := privValidators[69].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 69)
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_, err = signAddVote(ctx, privValidators[69], withBlockHash(vote, tmrand.Bytes(32)), voteSet)
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require.NoError(t, err)
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.False(t, ok || !blockID.IsNil(),
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"there should be no 2/3 majority: last vote added had different BlockHash")
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}
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// 71st validator voted for the right BlockHash & BlockPartSetHeader
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{
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pubKey, err := privValidators[70].GetPubKey(ctx)
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require.NoError(t, err)
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addr := pubKey.Address()
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vote := withValidator(voteProto, addr, 70)
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_, err = signAddVote(ctx, privValidators[70], vote, voteSet)
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require.NoError(t, err)
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blockID, ok = voteSet.TwoThirdsMajority()
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assert.True(t, ok && blockID.Equals(BlockID{blockHash, blockPartSetHeader}),
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"there should be 2/3 majority")
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}
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}
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func TestVoteSet_Conflicts(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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height, round := int64(1), int32(0)
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voteSet, _, privValidators := randVoteSet(ctx, t, height, round, tmproto.PrevoteType, 4, 1)
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blockHash1 := tmrand.Bytes(32)
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blockHash2 := tmrand.Bytes(32)
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voteProto := &Vote{
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ValidatorAddress: nil,
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ValidatorIndex: -1,
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Height: height,
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Round: round,
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Timestamp: tmtime.Now(),
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Type: tmproto.PrevoteType,
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BlockID: BlockID{nil, PartSetHeader{}},
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}
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val0, err := privValidators[0].GetPubKey(ctx)
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require.NoError(t, err)
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val0Addr := val0.Address()
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// val0 votes for nil.
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{
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vote := withValidator(voteProto, val0Addr, 0)
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added, err := signAddVote(ctx, privValidators[0], vote, voteSet)
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if !added || err != nil {
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t.Errorf("expected VoteSet.Add to succeed")
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}
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}
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// val0 votes again for blockHash1.
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{
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vote := withValidator(voteProto, val0Addr, 0)
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added, err := signAddVote(ctx, privValidators[0], withBlockHash(vote, blockHash1), voteSet)
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assert.False(t, added, "conflicting vote")
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assert.Error(t, err, "conflicting vote")
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}
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// start tracking blockHash1
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err = voteSet.SetPeerMaj23("peerA", BlockID{blockHash1, PartSetHeader{}})
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require.NoError(t, err)
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// val0 votes again for blockHash1.
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{
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vote := withValidator(voteProto, val0Addr, 0)
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added, err := signAddVote(ctx, privValidators[0], withBlockHash(vote, blockHash1), voteSet)
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assert.True(t, added, "called SetPeerMaj23()")
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assert.Error(t, err, "conflicting vote")
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}
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// attempt tracking blockHash2, should fail because already set for peerA.
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err = voteSet.SetPeerMaj23("peerA", BlockID{blockHash2, PartSetHeader{}})
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require.Error(t, err)
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// val0 votes again for blockHash1.
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{
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vote := withValidator(voteProto, val0Addr, 0)
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added, err := signAddVote(ctx, privValidators[0], withBlockHash(vote, blockHash2), voteSet)
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assert.False(t, added, "duplicate SetPeerMaj23() from peerA")
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assert.Error(t, err, "conflicting vote")
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}
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// val1 votes for blockHash1.
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{
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pv, err := privValidators[1].GetPubKey(ctx)
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assert.NoError(t, err)
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addr := pv.Address()
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vote := withValidator(voteProto, addr, 1)
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added, err := signAddVote(ctx, privValidators[1], withBlockHash(vote, blockHash1), voteSet)
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if !added || err != nil {
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t.Errorf("expected VoteSet.Add to succeed")
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}
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}
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// check
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if voteSet.HasTwoThirdsMajority() {
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t.Errorf("we shouldn't have 2/3 majority yet")
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}
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if voteSet.HasTwoThirdsAny() {
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t.Errorf("we shouldn't have 2/3 if any votes yet")
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}
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// val2 votes for blockHash2.
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{
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pv, err := privValidators[2].GetPubKey(ctx)
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assert.NoError(t, err)
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addr := pv.Address()
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vote := withValidator(voteProto, addr, 2)
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added, err := signAddVote(ctx, privValidators[2], withBlockHash(vote, blockHash2), voteSet)
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if !added || err != nil {
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t.Errorf("expected VoteSet.Add to succeed")
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}
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}
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// check
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if voteSet.HasTwoThirdsMajority() {
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t.Errorf("we shouldn't have 2/3 majority yet")
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}
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if !voteSet.HasTwoThirdsAny() {
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t.Errorf("we should have 2/3 if any votes")
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}
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// now attempt tracking blockHash1
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err = voteSet.SetPeerMaj23("peerB", BlockID{blockHash1, PartSetHeader{}})
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require.NoError(t, err)
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// val2 votes for blockHash1.
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{
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pv, err := privValidators[2].GetPubKey(ctx)
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assert.NoError(t, err)
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addr := pv.Address()
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vote := withValidator(voteProto, addr, 2)
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added, err := signAddVote(ctx, privValidators[2], withBlockHash(vote, blockHash1), voteSet)
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assert.True(t, added)
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assert.Error(t, err, "conflicting vote")
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}
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// check
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if !voteSet.HasTwoThirdsMajority() {
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t.Errorf("we should have 2/3 majority for blockHash1")
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}
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blockIDMaj23, _ := voteSet.TwoThirdsMajority()
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if !bytes.Equal(blockIDMaj23.Hash, blockHash1) {
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t.Errorf("got the wrong 2/3 majority blockhash")
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}
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if !voteSet.HasTwoThirdsAny() {
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t.Errorf("we should have 2/3 if any votes")
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}
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}
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func TestVoteSet_MakeCommit(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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height, round := int64(1), int32(0)
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voteSet, _, privValidators := randVoteSet(ctx, t, height, round, tmproto.PrecommitType, 10, 1)
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blockHash, blockPartSetHeader := crypto.CRandBytes(32), PartSetHeader{123, crypto.CRandBytes(32)}
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voteProto := &Vote{
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ValidatorAddress: nil,
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ValidatorIndex: -1,
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Height: height,
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Round: round,
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Timestamp: tmtime.Now(),
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Type: tmproto.PrecommitType,
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BlockID: BlockID{blockHash, blockPartSetHeader},
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}
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// 6 out of 10 voted for some block.
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for i := int32(0); i < 6; i++ {
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pv, err := privValidators[i].GetPubKey(ctx)
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assert.NoError(t, err)
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addr := pv.Address()
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vote := withValidator(voteProto, addr, i)
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_, err = signAddVote(ctx, privValidators[i], vote, voteSet)
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if err != nil {
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t.Error(err)
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}
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}
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// MakeCommit should fail.
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assert.Panics(t, func() { voteSet.MakeCommit() }, "Doesn't have +2/3 majority")
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// 7th voted for some other block.
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{
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pv, err := privValidators[6].GetPubKey(ctx)
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assert.NoError(t, err)
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addr := pv.Address()
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vote := withValidator(voteProto, addr, 6)
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vote = withBlockHash(vote, tmrand.Bytes(32))
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vote = withBlockPartSetHeader(vote, PartSetHeader{123, tmrand.Bytes(32)})
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_, err = signAddVote(ctx, privValidators[6], vote, voteSet)
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require.NoError(t, err)
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}
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// The 8th voted like everyone else.
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{
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pv, err := privValidators[7].GetPubKey(ctx)
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assert.NoError(t, err)
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addr := pv.Address()
|
|
vote := withValidator(voteProto, addr, 7)
|
|
_, err = signAddVote(ctx, privValidators[7], vote, voteSet)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
// The 9th voted for nil.
|
|
{
|
|
pv, err := privValidators[8].GetPubKey(ctx)
|
|
assert.NoError(t, err)
|
|
addr := pv.Address()
|
|
vote := withValidator(voteProto, addr, 8)
|
|
vote.BlockID = BlockID{}
|
|
|
|
_, err = signAddVote(ctx, privValidators[8], vote, voteSet)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
commit := voteSet.MakeCommit()
|
|
|
|
// Commit should have 10 elements
|
|
assert.Equal(t, 10, len(commit.Signatures))
|
|
|
|
// Ensure that Commit is good.
|
|
if err := commit.ValidateBasic(); err != nil {
|
|
t.Errorf("error in Commit.ValidateBasic(): %v", err)
|
|
}
|
|
}
|
|
|
|
// NOTE: privValidators are in order
|
|
func randVoteSet(
|
|
ctx context.Context,
|
|
t testing.TB,
|
|
height int64,
|
|
round int32,
|
|
signedMsgType tmproto.SignedMsgType,
|
|
numValidators int,
|
|
votingPower int64,
|
|
) (*VoteSet, *ValidatorSet, []PrivValidator) {
|
|
t.Helper()
|
|
valSet, privValidators := randValidatorPrivValSet(ctx, t, numValidators, votingPower)
|
|
|
|
return NewVoteSet("test_chain_id", height, round, signedMsgType, valSet), valSet, privValidators
|
|
}
|
|
|
|
func deterministicVoteSet(
|
|
ctx context.Context,
|
|
t *testing.T,
|
|
height int64,
|
|
round int32,
|
|
signedMsgType tmproto.SignedMsgType,
|
|
votingPower int64,
|
|
) (*VoteSet, *ValidatorSet, []PrivValidator) {
|
|
t.Helper()
|
|
valSet, privValidators := deterministicValidatorSet(ctx, t)
|
|
return NewVoteSet("test_chain_id", height, round, signedMsgType, valSet), valSet, privValidators
|
|
}
|
|
|
|
func randValidatorPrivValSet(ctx context.Context, t testing.TB, numValidators int, votingPower int64) (*ValidatorSet, []PrivValidator) {
|
|
var (
|
|
valz = make([]*Validator, numValidators)
|
|
privValidators = make([]PrivValidator, numValidators)
|
|
)
|
|
|
|
for i := 0; i < numValidators; i++ {
|
|
val, privValidator, err := randValidator(ctx, false, votingPower)
|
|
require.NoError(t, err)
|
|
|
|
valz[i] = val
|
|
privValidators[i] = privValidator
|
|
}
|
|
|
|
sort.Sort(PrivValidatorsByAddress(privValidators))
|
|
|
|
return NewValidatorSet(valz), privValidators
|
|
}
|
|
|
|
// Convenience: Return new vote with different validator address/index
|
|
func withValidator(vote *Vote, addr []byte, idx int32) *Vote {
|
|
vote = vote.Copy()
|
|
vote.ValidatorAddress = addr
|
|
vote.ValidatorIndex = idx
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different height
|
|
func withHeight(vote *Vote, height int64) *Vote {
|
|
vote = vote.Copy()
|
|
vote.Height = height
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different round
|
|
func withRound(vote *Vote, round int32) *Vote {
|
|
vote = vote.Copy()
|
|
vote.Round = round
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different type
|
|
func withType(vote *Vote, signedMsgType byte) *Vote {
|
|
vote = vote.Copy()
|
|
vote.Type = tmproto.SignedMsgType(signedMsgType)
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different blockHash
|
|
func withBlockHash(vote *Vote, blockHash []byte) *Vote {
|
|
vote = vote.Copy()
|
|
vote.BlockID.Hash = blockHash
|
|
return vote
|
|
}
|
|
|
|
// Convenience: Return new vote with different blockParts
|
|
func withBlockPartSetHeader(vote *Vote, blockPartsHeader PartSetHeader) *Vote {
|
|
vote = vote.Copy()
|
|
vote.BlockID.PartSetHeader = blockPartsHeader
|
|
return vote
|
|
}
|