package evidence_test import ( "bytes" "context" "testing" "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" dbm "github.com/tendermint/tm-db" "github.com/tendermint/tendermint/crypto" "github.com/tendermint/tendermint/crypto/tmhash" "github.com/tendermint/tendermint/internal/evidence" "github.com/tendermint/tendermint/internal/evidence/mocks" sm "github.com/tendermint/tendermint/internal/state" smmocks "github.com/tendermint/tendermint/internal/state/mocks" "github.com/tendermint/tendermint/internal/test/factory" "github.com/tendermint/tendermint/libs/log" tmproto "github.com/tendermint/tendermint/proto/tendermint/types" "github.com/tendermint/tendermint/types" ) const ( defaultVotingPower = 10 ) func TestVerifyLightClientAttack_Lunatic(t *testing.T) { const ( height int64 = 10 commonHeight int64 = 4 totalVals = 10 byzVals = 4 ) ctx, cancel := context.WithCancel(context.Background()) defer cancel() attackTime := defaultEvidenceTime.Add(1 * time.Hour) // create valid lunatic evidence ev, trusted, common := makeLunaticEvidence(ctx, t, height, commonHeight, totalVals, byzVals, totalVals-byzVals, defaultEvidenceTime, attackTime) require.NoError(t, ev.ValidateBasic()) // good pass -> no error err := evidence.VerifyLightClientAttack(ev, common.SignedHeader, trusted.SignedHeader, common.ValidatorSet, defaultEvidenceTime.Add(2*time.Hour), 3*time.Hour) assert.NoError(t, err) // trusted and conflicting hashes are the same -> an error should be returned err = evidence.VerifyLightClientAttack(ev, common.SignedHeader, ev.ConflictingBlock.SignedHeader, common.ValidatorSet, defaultEvidenceTime.Add(2*time.Hour), 3*time.Hour) assert.Error(t, err) // evidence with different total validator power should fail ev.TotalVotingPower = 1 * defaultVotingPower err = evidence.VerifyLightClientAttack(ev, common.SignedHeader, trusted.SignedHeader, common.ValidatorSet, defaultEvidenceTime.Add(2*time.Hour), 3*time.Hour) assert.NoError(t, err) assert.Error(t, ev.ValidateABCI(common.ValidatorSet, trusted.SignedHeader, defaultEvidenceTime)) // evidence without enough malicious votes should fail ev, trusted, common = makeLunaticEvidence(ctx, t, height, commonHeight, totalVals, byzVals-1, totalVals-byzVals, defaultEvidenceTime, attackTime) err = evidence.VerifyLightClientAttack(ev, common.SignedHeader, trusted.SignedHeader, common.ValidatorSet, defaultEvidenceTime.Add(2*time.Hour), 3*time.Hour) assert.Error(t, err) } func TestVerify_LunaticAttackAgainstState(t *testing.T) { const ( height int64 = 10 commonHeight int64 = 4 totalVals = 10 byzVals = 4 ) ctx, cancel := context.WithCancel(context.Background()) defer cancel() attackTime := defaultEvidenceTime.Add(1 * time.Hour) // create valid lunatic evidence ev, trusted, common := makeLunaticEvidence(ctx, t, height, commonHeight, totalVals, byzVals, totalVals-byzVals, defaultEvidenceTime, attackTime) // now we try to test verification against state state := sm.State{ LastBlockTime: defaultEvidenceTime.Add(2 * time.Hour), LastBlockHeight: height + 1, ConsensusParams: *types.DefaultConsensusParams(), } stateStore := &smmocks.Store{} stateStore.On("LoadValidators", commonHeight).Return(common.ValidatorSet, nil) stateStore.On("Load").Return(state, nil) blockStore := &mocks.BlockStore{} blockStore.On("LoadBlockMeta", commonHeight).Return(&types.BlockMeta{Header: *common.Header}) blockStore.On("LoadBlockMeta", height).Return(&types.BlockMeta{Header: *trusted.Header}) blockStore.On("LoadBlockCommit", commonHeight).Return(common.Commit) blockStore.On("LoadBlockCommit", height).Return(trusted.Commit) pool, err := evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) evList := types.EvidenceList{ev} // check that the evidence pool correctly verifies the evidence assert.NoError(t, pool.CheckEvidence(ctx, evList)) // as it was not originally in the pending bucket, it should now have been added pendingEvs, _ := pool.PendingEvidence(state.ConsensusParams.Evidence.MaxBytes) assert.Equal(t, 1, len(pendingEvs)) assert.Equal(t, ev, pendingEvs[0]) // if we submit evidence only against a single byzantine validator when we see there are more validators then this // should return an error ev.ByzantineValidators = ev.ByzantineValidators[:1] t.Log(evList) assert.Error(t, pool.CheckEvidence(ctx, evList)) // restore original byz vals ev.ByzantineValidators = ev.GetByzantineValidators(common.ValidatorSet, trusted.SignedHeader) // duplicate evidence should be rejected evList = types.EvidenceList{ev, ev} pool, err = evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) assert.Error(t, pool.CheckEvidence(ctx, evList)) // If evidence is submitted with an altered timestamp it should return an error ev.Timestamp = defaultEvidenceTime.Add(1 * time.Minute) pool, err = evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) require.NoError(t, setupEventBus(ctx, pool)) err = pool.AddEvidence(ctx, ev) assert.Error(t, err) ev.Timestamp = defaultEvidenceTime // Evidence submitted with a different validator power should fail ev.TotalVotingPower = 1 pool, err = evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) err = pool.AddEvidence(ctx, ev) assert.Error(t, err) ev.TotalVotingPower = common.ValidatorSet.TotalVotingPower() } func TestVerify_ForwardLunaticAttack(t *testing.T) { const ( nodeHeight int64 = 8 attackHeight int64 = 10 commonHeight int64 = 4 totalVals = 10 byzVals = 5 ) attackTime := defaultEvidenceTime.Add(1 * time.Hour) ctx, cancel := context.WithCancel(context.Background()) defer cancel() // create a forward lunatic attack ev, trusted, common := makeLunaticEvidence(ctx, t, attackHeight, commonHeight, totalVals, byzVals, totalVals-byzVals, defaultEvidenceTime, attackTime) // now we try to test verification against state state := sm.State{ LastBlockTime: defaultEvidenceTime.Add(2 * time.Hour), LastBlockHeight: nodeHeight, ConsensusParams: *types.DefaultConsensusParams(), } // modify trusted light block so that it is of a height less than the conflicting one trusted.Header.Height = state.LastBlockHeight trusted.Header.Time = state.LastBlockTime stateStore := &smmocks.Store{} stateStore.On("LoadValidators", commonHeight).Return(common.ValidatorSet, nil) stateStore.On("Load").Return(state, nil) blockStore := &mocks.BlockStore{} blockStore.On("LoadBlockMeta", commonHeight).Return(&types.BlockMeta{Header: *common.Header}) blockStore.On("LoadBlockMeta", nodeHeight).Return(&types.BlockMeta{Header: *trusted.Header}) blockStore.On("LoadBlockMeta", attackHeight).Return(nil) blockStore.On("LoadBlockCommit", commonHeight).Return(common.Commit) blockStore.On("LoadBlockCommit", nodeHeight).Return(trusted.Commit) blockStore.On("Height").Return(nodeHeight) pool, err := evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) require.NoError(t, setupEventBus(ctx, pool)) // check that the evidence pool correctly verifies the evidence assert.NoError(t, pool.CheckEvidence(ctx, types.EvidenceList{ev})) // now we use a time which isn't able to contradict the FLA - thus we can't verify the evidence oldBlockStore := &mocks.BlockStore{} oldHeader := trusted.Header oldHeader.Time = defaultEvidenceTime oldBlockStore.On("LoadBlockMeta", commonHeight).Return(&types.BlockMeta{Header: *common.Header}) oldBlockStore.On("LoadBlockMeta", nodeHeight).Return(&types.BlockMeta{Header: *oldHeader}) oldBlockStore.On("LoadBlockMeta", attackHeight).Return(nil) oldBlockStore.On("LoadBlockCommit", commonHeight).Return(common.Commit) oldBlockStore.On("LoadBlockCommit", nodeHeight).Return(trusted.Commit) oldBlockStore.On("Height").Return(nodeHeight) require.Equal(t, defaultEvidenceTime, oldBlockStore.LoadBlockMeta(nodeHeight).Header.Time) pool, err = evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, oldBlockStore, evidence.NopMetrics()) require.NoError(t, err) assert.Error(t, pool.CheckEvidence(ctx, types.EvidenceList{ev})) } func TestVerifyLightClientAttack_Equivocation(t *testing.T) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() conflictingVals, conflictingPrivVals := factory.ValidatorSet(ctx, t, 5, 10) conflictingHeader := factory.MakeHeader(t, &types.Header{ ChainID: evidenceChainID, Height: 10, Time: defaultEvidenceTime, ValidatorsHash: conflictingVals.Hash(), }) trustedHeader := factory.MakeHeader(t, &types.Header{ ChainID: evidenceChainID, Height: 10, Time: defaultEvidenceTime, ValidatorsHash: conflictingHeader.ValidatorsHash, NextValidatorsHash: conflictingHeader.NextValidatorsHash, ConsensusHash: conflictingHeader.ConsensusHash, AppHash: conflictingHeader.AppHash, LastResultsHash: conflictingHeader.LastResultsHash, }) // we are simulating a duplicate vote attack where all the validators in the conflictingVals set // except the last validator vote twice blockID := factory.MakeBlockIDWithHash(conflictingHeader.Hash()) voteSet := types.NewVoteSet(evidenceChainID, 10, 1, tmproto.SignedMsgType(2), conflictingVals) commit, err := factory.MakeCommit(ctx, blockID, 10, 1, voteSet, conflictingPrivVals[:4], defaultEvidenceTime) require.NoError(t, err) ev := &types.LightClientAttackEvidence{ ConflictingBlock: &types.LightBlock{ SignedHeader: &types.SignedHeader{ Header: conflictingHeader, Commit: commit, }, ValidatorSet: conflictingVals, }, CommonHeight: 10, ByzantineValidators: conflictingVals.Validators[:4], TotalVotingPower: 50, Timestamp: defaultEvidenceTime, } trustedBlockID := makeBlockID(trustedHeader.Hash(), 1000, []byte("partshash")) trustedVoteSet := types.NewVoteSet(evidenceChainID, 10, 1, tmproto.SignedMsgType(2), conflictingVals) trustedCommit, err := factory.MakeCommit(ctx, trustedBlockID, 10, 1, trustedVoteSet, conflictingPrivVals, defaultEvidenceTime) require.NoError(t, err) trustedSignedHeader := &types.SignedHeader{ Header: trustedHeader, Commit: trustedCommit, } // good pass -> no error require.NoError(t, evidence.VerifyLightClientAttack(ev, trustedSignedHeader, trustedSignedHeader, conflictingVals, defaultEvidenceTime.Add(1*time.Minute), 2*time.Hour)) // trusted and conflicting hashes are the same -> an error should be returned assert.Error(t, evidence.VerifyLightClientAttack(ev, trustedSignedHeader, ev.ConflictingBlock.SignedHeader, conflictingVals, defaultEvidenceTime.Add(1*time.Minute), 2*time.Hour)) // conflicting header has different next validators hash which should have been correctly derived from // the previous round ev.ConflictingBlock.Header.NextValidatorsHash = crypto.CRandBytes(tmhash.Size) assert.Error(t, evidence.VerifyLightClientAttack(ev, trustedSignedHeader, trustedSignedHeader, nil, defaultEvidenceTime.Add(1*time.Minute), 2*time.Hour)) // revert next validators hash ev.ConflictingBlock.Header.NextValidatorsHash = trustedHeader.NextValidatorsHash state := sm.State{ LastBlockTime: defaultEvidenceTime.Add(1 * time.Minute), LastBlockHeight: 11, ConsensusParams: *types.DefaultConsensusParams(), } stateStore := &smmocks.Store{} stateStore.On("LoadValidators", int64(10)).Return(conflictingVals, nil) stateStore.On("Load").Return(state, nil) blockStore := &mocks.BlockStore{} blockStore.On("LoadBlockMeta", int64(10)).Return(&types.BlockMeta{Header: *trustedHeader}) blockStore.On("LoadBlockCommit", int64(10)).Return(trustedCommit) pool, err := evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) require.NoError(t, setupEventBus(ctx, pool)) evList := types.EvidenceList{ev} err = pool.CheckEvidence(ctx, evList) assert.NoError(t, err) pendingEvs, _ := pool.PendingEvidence(state.ConsensusParams.Evidence.MaxBytes) assert.Equal(t, 1, len(pendingEvs)) } func TestVerifyLightClientAttack_Amnesia(t *testing.T) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() var height int64 = 10 conflictingVals, conflictingPrivVals := factory.ValidatorSet(ctx, t, 5, 10) conflictingHeader := factory.MakeHeader(t, &types.Header{ ChainID: evidenceChainID, Height: height, Time: defaultEvidenceTime, ValidatorsHash: conflictingVals.Hash(), }) trustedHeader := factory.MakeHeader(t, &types.Header{ ChainID: evidenceChainID, Height: height, Time: defaultEvidenceTime, ValidatorsHash: conflictingHeader.ValidatorsHash, NextValidatorsHash: conflictingHeader.NextValidatorsHash, ConsensusHash: conflictingHeader.ConsensusHash, AppHash: conflictingHeader.AppHash, LastResultsHash: conflictingHeader.LastResultsHash, }) // we are simulating an amnesia attack where all the validators in the conflictingVals set // except the last validator vote twice. However this time the commits are of different rounds. blockID := makeBlockID(conflictingHeader.Hash(), 1000, []byte("partshash")) voteSet := types.NewVoteSet(evidenceChainID, height, 0, tmproto.SignedMsgType(2), conflictingVals) commit, err := factory.MakeCommit(ctx, blockID, height, 0, voteSet, conflictingPrivVals, defaultEvidenceTime) require.NoError(t, err) ev := &types.LightClientAttackEvidence{ ConflictingBlock: &types.LightBlock{ SignedHeader: &types.SignedHeader{ Header: conflictingHeader, Commit: commit, }, ValidatorSet: conflictingVals, }, CommonHeight: height, ByzantineValidators: nil, // with amnesia evidence no validators are submitted as abci evidence TotalVotingPower: 50, Timestamp: defaultEvidenceTime, } trustedBlockID := makeBlockID(trustedHeader.Hash(), 1000, []byte("partshash")) trustedVoteSet := types.NewVoteSet(evidenceChainID, height, 1, tmproto.SignedMsgType(2), conflictingVals) trustedCommit, err := factory.MakeCommit(ctx, trustedBlockID, height, 1, trustedVoteSet, conflictingPrivVals, defaultEvidenceTime) require.NoError(t, err) trustedSignedHeader := &types.SignedHeader{ Header: trustedHeader, Commit: trustedCommit, } // good pass -> no error require.NoError(t, evidence.VerifyLightClientAttack(ev, trustedSignedHeader, trustedSignedHeader, conflictingVals, defaultEvidenceTime.Add(1*time.Minute), 2*time.Hour)) // trusted and conflicting hashes are the same -> an error should be returned assert.Error(t, evidence.VerifyLightClientAttack(ev, trustedSignedHeader, ev.ConflictingBlock.SignedHeader, conflictingVals, defaultEvidenceTime.Add(1*time.Minute), 2*time.Hour)) state := sm.State{ LastBlockTime: defaultEvidenceTime.Add(1 * time.Minute), LastBlockHeight: 11, ConsensusParams: *types.DefaultConsensusParams(), } stateStore := &smmocks.Store{} stateStore.On("LoadValidators", int64(10)).Return(conflictingVals, nil) stateStore.On("Load").Return(state, nil) blockStore := &mocks.BlockStore{} blockStore.On("LoadBlockMeta", int64(10)).Return(&types.BlockMeta{Header: *trustedHeader}) blockStore.On("LoadBlockCommit", int64(10)).Return(trustedCommit) pool, err := evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) require.NoError(t, setupEventBus(ctx, pool)) evList := types.EvidenceList{ev} err = pool.CheckEvidence(ctx, evList) assert.NoError(t, err) pendingEvs, _ := pool.PendingEvidence(state.ConsensusParams.Evidence.MaxBytes) assert.Equal(t, 1, len(pendingEvs)) } type voteData struct { vote1 *types.Vote vote2 *types.Vote valid bool } func TestVerifyDuplicateVoteEvidence(t *testing.T) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() val := types.NewMockPV() val2 := types.NewMockPV() valSet := types.NewValidatorSet([]*types.Validator{val.ExtractIntoValidator(ctx, 1)}) 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(ctx, t, val, chainID, 0, 10, 2, 1, blockID, defaultEvidenceTime) v1 := vote1.ToProto() err := val.SignVote(ctx, chainID, v1) require.NoError(t, err) badVote := makeVote(ctx, t, val, chainID, 0, 10, 2, 1, blockID, defaultEvidenceTime) bv := badVote.ToProto() err = val2.SignVote(ctx, chainID, bv) require.NoError(t, err) vote1.Signature = v1.Signature badVote.Signature = bv.Signature cases := []voteData{ {vote1, makeVote(ctx, t, val, chainID, 0, 10, 2, 1, blockID2, defaultEvidenceTime), true}, // different block ids {vote1, makeVote(ctx, t, val, chainID, 0, 10, 2, 1, blockID3, defaultEvidenceTime), true}, {vote1, makeVote(ctx, t, val, chainID, 0, 10, 2, 1, blockID4, defaultEvidenceTime), true}, {vote1, makeVote(ctx, t, val, chainID, 0, 10, 2, 1, blockID, defaultEvidenceTime), false}, // wrong block id {vote1, makeVote(ctx, t, val, "mychain2", 0, 10, 2, 1, blockID2, defaultEvidenceTime), false}, // wrong chain id {vote1, makeVote(ctx, t, val, chainID, 0, 11, 2, 1, blockID2, defaultEvidenceTime), false}, // wrong height {vote1, makeVote(ctx, t, val, chainID, 0, 10, 3, 1, blockID2, defaultEvidenceTime), false}, // wrong round {vote1, makeVote(ctx, t, val, chainID, 0, 10, 2, 2, blockID2, defaultEvidenceTime), false}, // wrong step {vote1, makeVote(ctx, t, val2, chainID, 0, 10, 2, 1, blockID2, defaultEvidenceTime), false}, // wrong validator // a different vote time doesn't matter {vote1, makeVote(ctx, t, val, chainID, 0, 10, 2, 1, blockID2, time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)), true}, {vote1, badVote, false}, // signed by wrong key } require.NoError(t, err) for _, c := range cases { ev := &types.DuplicateVoteEvidence{ VoteA: c.vote1, VoteB: c.vote2, ValidatorPower: 1, TotalVotingPower: 1, Timestamp: defaultEvidenceTime, } if c.valid { assert.Nil(t, evidence.VerifyDuplicateVote(ev, chainID, valSet), "evidence should be valid") } else { assert.NotNil(t, evidence.VerifyDuplicateVote(ev, chainID, valSet), "evidence should be invalid") } } // create good evidence and correct validator power goodEv, err := types.NewMockDuplicateVoteEvidenceWithValidator(ctx, 10, defaultEvidenceTime, val, chainID) require.NoError(t, err) goodEv.ValidatorPower = 1 goodEv.TotalVotingPower = 1 badEv, err := types.NewMockDuplicateVoteEvidenceWithValidator(ctx, 10, defaultEvidenceTime, val, chainID) require.NoError(t, err) badTimeEv, err := types.NewMockDuplicateVoteEvidenceWithValidator(ctx, 10, defaultEvidenceTime.Add(1*time.Minute), val, chainID) require.NoError(t, err) badTimeEv.ValidatorPower = 1 badTimeEv.TotalVotingPower = 1 state := sm.State{ ChainID: chainID, LastBlockTime: defaultEvidenceTime.Add(1 * time.Minute), LastBlockHeight: 11, ConsensusParams: *types.DefaultConsensusParams(), } stateStore := &smmocks.Store{} stateStore.On("LoadValidators", int64(10)).Return(valSet, nil) stateStore.On("Load").Return(state, nil) blockStore := &mocks.BlockStore{} blockStore.On("LoadBlockMeta", int64(10)).Return(&types.BlockMeta{Header: types.Header{Time: defaultEvidenceTime}}) pool, err := evidence.NewPool(log.TestingLogger(), dbm.NewMemDB(), stateStore, blockStore, evidence.NopMetrics()) require.NoError(t, err) require.NoError(t, setupEventBus(ctx, pool)) evList := types.EvidenceList{goodEv} err = pool.CheckEvidence(ctx, evList) assert.NoError(t, err) // evidence with a different validator power should fail evList = types.EvidenceList{badEv} err = pool.CheckEvidence(ctx, evList) assert.Error(t, err) // evidence with a different timestamp should fail evList = types.EvidenceList{badTimeEv} err = pool.CheckEvidence(ctx, evList) assert.Error(t, err) } func makeLunaticEvidence( ctx context.Context, t *testing.T, height, commonHeight int64, totalVals, byzVals, phantomVals int, commonTime, attackTime time.Time, ) (ev *types.LightClientAttackEvidence, trusted *types.LightBlock, common *types.LightBlock) { t.Helper() commonValSet, commonPrivVals := factory.ValidatorSet(ctx, t, totalVals, defaultVotingPower) require.Greater(t, totalVals, byzVals) // extract out the subset of byzantine validators in the common validator set byzValSet, byzPrivVals := commonValSet.Validators[:byzVals], commonPrivVals[:byzVals] phantomValSet, phantomPrivVals := factory.ValidatorSet(ctx, t, phantomVals, defaultVotingPower) conflictingVals := phantomValSet.Copy() require.NoError(t, conflictingVals.UpdateWithChangeSet(byzValSet)) conflictingPrivVals := append(phantomPrivVals, byzPrivVals...) conflictingPrivVals = orderPrivValsByValSet(ctx, t, conflictingVals, conflictingPrivVals) commonHeader := factory.MakeHeader(t, &types.Header{ ChainID: evidenceChainID, Height: commonHeight, Time: commonTime, }) trustedHeader := factory.MakeHeader(t, &types.Header{ ChainID: evidenceChainID, Height: height, Time: defaultEvidenceTime, }) conflictingHeader := factory.MakeHeader(t, &types.Header{ ChainID: evidenceChainID, Height: height, Time: attackTime, ValidatorsHash: conflictingVals.Hash(), }) blockID := factory.MakeBlockIDWithHash(conflictingHeader.Hash()) voteSet := types.NewVoteSet(evidenceChainID, height, 1, tmproto.SignedMsgType(2), conflictingVals) commit, err := factory.MakeCommit(ctx, blockID, height, 1, voteSet, conflictingPrivVals, defaultEvidenceTime) require.NoError(t, err) ev = &types.LightClientAttackEvidence{ ConflictingBlock: &types.LightBlock{ SignedHeader: &types.SignedHeader{ Header: conflictingHeader, Commit: commit, }, ValidatorSet: conflictingVals, }, CommonHeight: commonHeight, TotalVotingPower: commonValSet.TotalVotingPower(), ByzantineValidators: byzValSet, Timestamp: commonTime, } common = &types.LightBlock{ SignedHeader: &types.SignedHeader{ Header: commonHeader, // we can leave this empty because we shouldn't be checking this Commit: &types.Commit{}, }, ValidatorSet: commonValSet, } trustedBlockID := factory.MakeBlockIDWithHash(trustedHeader.Hash()) trustedVals, privVals := factory.ValidatorSet(ctx, t, totalVals, defaultVotingPower) trustedVoteSet := types.NewVoteSet(evidenceChainID, height, 1, tmproto.SignedMsgType(2), trustedVals) trustedCommit, err := factory.MakeCommit(ctx, trustedBlockID, height, 1, trustedVoteSet, privVals, defaultEvidenceTime) require.NoError(t, err) trusted = &types.LightBlock{ SignedHeader: &types.SignedHeader{ Header: trustedHeader, Commit: trustedCommit, }, ValidatorSet: trustedVals, } return ev, trusted, common } func makeVote( ctx context.Context, t *testing.T, val types.PrivValidator, chainID string, valIndex int32, height int64, round int32, step int, blockID types.BlockID, time time.Time, ) *types.Vote { pubKey, err := val.GetPubKey(ctx) require.NoError(t, err) v := &types.Vote{ ValidatorAddress: pubKey.Address(), ValidatorIndex: valIndex, Height: height, Round: round, Type: tmproto.SignedMsgType(step), BlockID: blockID, Timestamp: time, } vpb := v.ToProto() err = val.SignVote(ctx, chainID, vpb) require.NoError(t, err) v.Signature = vpb.Signature return v } func makeBlockID(hash []byte, partSetSize uint32, partSetHash []byte) types.BlockID { var ( h = make([]byte, tmhash.Size) psH = make([]byte, tmhash.Size) ) copy(h, hash) copy(psH, partSetHash) return types.BlockID{ Hash: h, PartSetHeader: types.PartSetHeader{ Total: partSetSize, Hash: psH, }, } } func orderPrivValsByValSet(ctx context.Context, t *testing.T, vals *types.ValidatorSet, privVals []types.PrivValidator) []types.PrivValidator { output := make([]types.PrivValidator, len(privVals)) for idx, v := range vals.Validators { for _, p := range privVals { pubKey, err := p.GetPubKey(ctx) require.NoError(t, err) if bytes.Equal(v.Address, pubKey.Address()) { output[idx] = p break } } require.NotEmpty(t, output[idx]) } return output }