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615 lines
20 KiB
615 lines
20 KiB
package state_test
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import (
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/libs/bytes"
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"github.com/tendermint/tendermint/proto/version"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/crypto/tmhash"
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"github.com/tendermint/tendermint/libs/log"
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memmock "github.com/tendermint/tendermint/mempool/mock"
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protostate "github.com/tendermint/tendermint/proto/state"
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tmproto "github.com/tendermint/tendermint/proto/types"
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sm "github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/state/mocks"
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"github.com/tendermint/tendermint/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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)
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const validationTestsStopHeight int64 = 10
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var defaultTestTime = time.Date(2019, 1, 1, 0, 0, 0, 0, time.UTC)
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func TestValidateBlockHeader(t *testing.T) {
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proxyApp := newTestApp()
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require.NoError(t, proxyApp.Start())
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defer proxyApp.Stop()
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state, stateDB, privVals := makeState(3, 1)
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blockExec := sm.NewBlockExecutor(
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stateDB,
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log.TestingLogger(),
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proxyApp.Consensus(),
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memmock.Mempool{},
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sm.MockEvidencePool{},
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)
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lastCommit := types.NewCommit(0, 0, types.BlockID{}, nil)
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// some bad values
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wrongHash := tmhash.Sum([]byte("this hash is wrong"))
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wrongVersion1 := state.Version.Consensus
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wrongVersion1.Block++
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wrongVersion2 := state.Version.Consensus
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wrongVersion2.App++
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// Manipulation of any header field causes failure.
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testCases := []struct {
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name string
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malleateBlock func(block *types.Block)
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}{
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{"Version wrong1", func(block *types.Block) { block.Version = wrongVersion1 }},
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{"Version wrong2", func(block *types.Block) { block.Version = wrongVersion2 }},
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{"ChainID wrong", func(block *types.Block) { block.ChainID = "not-the-real-one" }},
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{"Height wrong", func(block *types.Block) { block.Height += 10 }},
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{"Time wrong", func(block *types.Block) { block.Time = block.Time.Add(-time.Second * 1) }},
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{"LastBlockID wrong", func(block *types.Block) { block.LastBlockID.PartsHeader.Total += 10 }},
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{"LastCommitHash wrong", func(block *types.Block) { block.LastCommitHash = wrongHash }},
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{"DataHash wrong", func(block *types.Block) { block.DataHash = wrongHash }},
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{"ValidatorsHash wrong", func(block *types.Block) { block.ValidatorsHash = wrongHash }},
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{"NextValidatorsHash wrong", func(block *types.Block) { block.NextValidatorsHash = wrongHash }},
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{"ConsensusHash wrong", func(block *types.Block) { block.ConsensusHash = wrongHash }},
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{"AppHash wrong", func(block *types.Block) { block.AppHash = wrongHash }},
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{"LastResultsHash wrong", func(block *types.Block) { block.LastResultsHash = wrongHash }},
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{"EvidenceHash wrong", func(block *types.Block) { block.EvidenceHash = wrongHash }},
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{"Proposer wrong", func(block *types.Block) { block.ProposerAddress = ed25519.GenPrivKey().PubKey().Address() }},
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{"Proposer invalid", func(block *types.Block) { block.ProposerAddress = []byte("wrong size") }},
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}
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// Build up state for multiple heights
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for height := int64(1); height < validationTestsStopHeight; height++ {
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proposerAddr := state.Validators.GetProposer().Address
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/*
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Invalid blocks don't pass
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*/
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for _, tc := range testCases {
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block, _ := state.MakeBlock(height, makeTxs(height), lastCommit, nil, proposerAddr)
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tc.malleateBlock(block)
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err := blockExec.ValidateBlock(state, block)
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require.Error(t, err, tc.name)
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}
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/*
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A good block passes
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*/
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var err error
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state, _, lastCommit, err = makeAndCommitGoodBlock(state, height, lastCommit, proposerAddr, blockExec, privVals, nil)
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require.NoError(t, err, "height %d", height)
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}
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}
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func TestValidateBlockCommit(t *testing.T) {
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proxyApp := newTestApp()
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require.NoError(t, proxyApp.Start())
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defer proxyApp.Stop()
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state, stateDB, privVals := makeState(1, 1)
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blockExec := sm.NewBlockExecutor(
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stateDB,
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log.TestingLogger(),
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proxyApp.Consensus(),
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memmock.Mempool{},
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sm.MockEvidencePool{},
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)
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lastCommit := types.NewCommit(0, 0, types.BlockID{}, nil)
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wrongSigsCommit := types.NewCommit(1, 0, types.BlockID{}, nil)
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badPrivVal := types.NewMockPV()
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for height := int64(1); height < validationTestsStopHeight; height++ {
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proposerAddr := state.Validators.GetProposer().Address
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if height > 1 {
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/*
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#2589: ensure state.LastValidators.VerifyCommit fails here
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*/
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// should be height-1 instead of height
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wrongHeightVote, err := types.MakeVote(
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height,
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state.LastBlockID,
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state.Validators,
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privVals[proposerAddr.String()],
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chainID,
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time.Now(),
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)
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require.NoError(t, err, "height %d", height)
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wrongHeightCommit := types.NewCommit(
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wrongHeightVote.Height,
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wrongHeightVote.Round,
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state.LastBlockID,
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[]types.CommitSig{wrongHeightVote.CommitSig()},
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)
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block, _ := state.MakeBlock(height, makeTxs(height), wrongHeightCommit, nil, proposerAddr)
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err = blockExec.ValidateBlock(state, block)
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_, isErrInvalidCommitHeight := err.(types.ErrInvalidCommitHeight)
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require.True(t, isErrInvalidCommitHeight, "expected ErrInvalidCommitHeight at height %d but got: %v", height, err)
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/*
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#2589: test len(block.LastCommit.Signatures) == state.LastValidators.Size()
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*/
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block, _ = state.MakeBlock(height, makeTxs(height), wrongSigsCommit, nil, proposerAddr)
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err = blockExec.ValidateBlock(state, block)
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_, isErrInvalidCommitSignatures := err.(types.ErrInvalidCommitSignatures)
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require.True(t, isErrInvalidCommitSignatures,
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"expected ErrInvalidCommitSignatures at height %d, but got: %v",
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height,
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err,
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)
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}
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/*
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A good block passes
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*/
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var err error
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var blockID types.BlockID
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state, blockID, lastCommit, err = makeAndCommitGoodBlock(
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state,
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height,
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lastCommit,
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proposerAddr,
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blockExec,
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privVals,
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nil,
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)
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require.NoError(t, err, "height %d", height)
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/*
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wrongSigsCommit is fine except for the extra bad precommit
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*/
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goodVote, err := types.MakeVote(height,
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blockID,
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state.Validators,
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privVals[proposerAddr.String()],
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chainID,
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time.Now(),
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)
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require.NoError(t, err, "height %d", height)
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bpvPubKey, err := badPrivVal.GetPubKey()
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require.NoError(t, err)
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badVote := &types.Vote{
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ValidatorAddress: bpvPubKey.Address(),
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ValidatorIndex: 0,
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Height: height,
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Round: 0,
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Timestamp: tmtime.Now(),
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Type: tmproto.PrecommitType,
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BlockID: blockID,
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}
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err = badPrivVal.SignVote(chainID, goodVote)
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require.NoError(t, err, "height %d", height)
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err = badPrivVal.SignVote(chainID, badVote)
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require.NoError(t, err, "height %d", height)
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wrongSigsCommit = types.NewCommit(goodVote.Height, goodVote.Round,
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blockID, []types.CommitSig{goodVote.CommitSig(), badVote.CommitSig()})
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}
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}
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func TestValidateBlockEvidence(t *testing.T) {
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proxyApp := newTestApp()
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require.NoError(t, proxyApp.Start())
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defer proxyApp.Stop()
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state, stateDB, privVals := makeState(4, 1)
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state.ConsensusParams.Evidence.MaxNum = 3
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blockExec := sm.NewBlockExecutor(
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stateDB,
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log.TestingLogger(),
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proxyApp.Consensus(),
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memmock.Mempool{},
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sm.MockEvidencePool{},
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)
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lastCommit := types.NewCommit(0, 0, types.BlockID{}, nil)
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for height := int64(1); height < validationTestsStopHeight; height++ {
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proposerAddr := state.Validators.GetProposer().Address
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maxNumEvidence := state.ConsensusParams.Evidence.MaxNum
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t.Log(maxNumEvidence)
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if height > 1 {
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/*
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A block with too much evidence fails
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*/
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require.True(t, maxNumEvidence > 2)
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evidence := make([]types.Evidence, 0)
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// one more than the maximum allowed evidence
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for i := uint32(0); i <= maxNumEvidence; i++ {
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evidence = append(evidence, types.NewMockEvidence(height, time.Now(), proposerAddr))
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}
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block, _ := state.MakeBlock(height, makeTxs(height), lastCommit, evidence, proposerAddr)
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err := blockExec.ValidateBlock(state, block)
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_, ok := err.(*types.ErrEvidenceOverflow)
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require.True(t, ok, "expected error to be of type ErrEvidenceOverflow at height %d", height)
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}
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/*
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A good block with several pieces of good evidence passes
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*/
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require.True(t, maxNumEvidence > 2)
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evidence := make([]types.Evidence, 0)
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// precisely the amount of allowed evidence
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for i := int32(0); uint32(i) < maxNumEvidence; i++ {
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// make different evidence for each validator
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addr, _ := state.Validators.GetByIndex(i)
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evidence = append(evidence, types.NewMockEvidence(height, time.Now(), addr))
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}
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var err error
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state, _, lastCommit, err = makeAndCommitGoodBlock(
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state,
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height,
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lastCommit,
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proposerAddr,
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blockExec,
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privVals,
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evidence,
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)
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require.NoError(t, err, "height %d", height)
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}
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}
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func TestValidateFailBlockOnCommittedEvidence(t *testing.T) {
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var height int64 = 1
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state, stateDB, _ := makeState(2, int(height))
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addr, _ := state.Validators.GetByIndex(0)
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addr2, _ := state.Validators.GetByIndex(1)
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ev := types.NewMockEvidence(height, defaultTestTime, addr)
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ev2 := types.NewMockEvidence(height, defaultTestTime, addr2)
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evpool := &mocks.EvidencePool{}
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evpool.On("IsPending", mock.AnythingOfType("types.MockEvidence")).Return(false)
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evpool.On("IsCommitted", ev).Return(false)
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evpool.On("IsCommitted", ev2).Return(true)
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blockExec := sm.NewBlockExecutor(
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stateDB, log.TestingLogger(),
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nil,
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nil,
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evpool)
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// A block with a couple pieces of evidence passes.
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block := makeBlock(state, height)
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block.Evidence.Evidence = []types.Evidence{ev, ev2}
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block.EvidenceHash = block.Evidence.Hash()
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err := blockExec.ValidateBlock(state, block)
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assert.Error(t, err)
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assert.IsType(t, err, &types.ErrEvidenceInvalid{})
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}
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func TestValidateAlreadyPendingEvidence(t *testing.T) {
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var height int64 = 1
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state, stateDB, _ := makeState(2, int(height))
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addr, _ := state.Validators.GetByIndex(0)
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addr2, _ := state.Validators.GetByIndex(1)
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ev := types.NewMockEvidence(height, defaultTestTime, addr)
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ev2 := types.NewMockEvidence(height, defaultTestTime, addr2)
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evpool := &mocks.EvidencePool{}
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evpool.On("IsPending", ev).Return(false)
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evpool.On("IsPending", ev2).Return(true)
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evpool.On("IsCommitted", mock.AnythingOfType("types.MockEvidence")).Return(false)
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blockExec := sm.NewBlockExecutor(
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stateDB, log.TestingLogger(),
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nil,
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nil,
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evpool)
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// A block with a couple pieces of evidence passes.
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block := makeBlock(state, height)
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// add one evidence seen before and one evidence that hasn't
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block.Evidence.Evidence = []types.Evidence{ev, ev2}
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block.EvidenceHash = block.Evidence.Hash()
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err := blockExec.ValidateBlock(state, block)
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assert.NoError(t, err)
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}
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func TestValidateDuplicateEvidenceShouldFail(t *testing.T) {
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var height int64 = 1
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state, stateDB, _ := makeState(1, int(height))
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addr, _ := state.Validators.GetByIndex(0)
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addr2, _ := state.Validators.GetByIndex(1)
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ev := types.NewMockEvidence(height, defaultTestTime, addr)
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ev2 := types.NewMockEvidence(height, defaultTestTime, addr2)
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blockExec := sm.NewBlockExecutor(
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stateDB, log.TestingLogger(),
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nil,
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nil,
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sm.MockEvidencePool{})
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// A block with a couple pieces of evidence passes.
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block := makeBlock(state, height)
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block.Evidence.Evidence = []types.Evidence{ev, ev2, ev2}
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block.EvidenceHash = block.Evidence.Hash()
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err := blockExec.ValidateBlock(state, block)
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assert.Error(t, err)
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}
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var blockID = types.BlockID{
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Hash: []byte("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
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PartsHeader: types.PartSetHeader{
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Total: 1,
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Hash: []byte("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
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},
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}
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func TestValidateAmnesiaEvidence(t *testing.T) {
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var height int64 = 1
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state, stateDB, vals := makeState(1, int(height))
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addr, val := state.Validators.GetByIndex(0)
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voteA := makeVote(height, 1, 0, addr, blockID)
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err := vals[val.Address.String()].SignVote(chainID, voteA)
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require.NoError(t, err)
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voteB := makeVote(height, 2, 0, addr, types.BlockID{})
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err = vals[val.Address.String()].SignVote(chainID, voteB)
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require.NoError(t, err)
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ae := types.AmnesiaEvidence{
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PotentialAmnesiaEvidence: types.PotentialAmnesiaEvidence{
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VoteA: voteA,
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VoteB: voteB,
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},
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Polc: types.EmptyPOLC(),
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}
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evpool := &mocks.EvidencePool{}
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evpool.On("IsPending", ae).Return(false)
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evpool.On("IsCommitted", ae).Return(false)
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evpool.On("AddEvidence", ae).Return(fmt.Errorf("test error"))
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blockExec := sm.NewBlockExecutor(
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stateDB, log.TestingLogger(),
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nil,
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nil,
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evpool)
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// A block with a couple pieces of evidence passes.
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block := makeBlock(state, height)
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block.Evidence.Evidence = []types.Evidence{ae}
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block.EvidenceHash = block.Evidence.Hash()
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err = blockExec.ValidateBlock(state, block)
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errMsg := "Invalid evidence: unknown amnesia evidence, trying to add to evidence pool, err: test error"
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if assert.Error(t, err) {
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assert.Equal(t, err.Error()[:len(errMsg)], errMsg)
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}
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}
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func TestVerifyEvidenceWrongAddress(t *testing.T) {
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var height int64 = 1
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state, stateDB, _ := makeState(1, int(height))
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randomAddr := []byte("wrong address")
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ev := types.NewMockEvidence(height, defaultTestTime, randomAddr)
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blockExec := sm.NewBlockExecutor(
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stateDB, log.TestingLogger(),
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nil,
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nil,
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sm.MockEvidencePool{})
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// A block with a couple pieces of evidence passes.
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block := makeBlock(state, height)
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block.Evidence.Evidence = []types.Evidence{ev}
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block.EvidenceHash = block.Evidence.Hash()
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err := blockExec.ValidateBlock(state, block)
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errMsg := "Invalid evidence: address 77726F6E672061646472657373 was not a validator at height 1"
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if assert.Error(t, err) {
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assert.Equal(t, err.Error()[:len(errMsg)], errMsg)
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}
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}
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func TestVerifyEvidenceExpiredEvidence(t *testing.T) {
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var height int64 = 4
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state, stateDB, _ := makeState(1, int(height))
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state.ConsensusParams.Evidence.MaxAgeNumBlocks = 1
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addr, _ := state.Validators.GetByIndex(0)
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ev := types.NewMockEvidence(1, defaultTestTime, addr)
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err := sm.VerifyEvidence(stateDB, state, ev, nil)
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errMsg := "evidence from height 1 (created at: 2019-01-01 00:00:00 +0000 UTC) is too old"
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if assert.Error(t, err) {
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assert.Equal(t, err.Error()[:len(errMsg)], errMsg)
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}
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}
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func TestVerifyEvidenceWithAmnesiaEvidence(t *testing.T) {
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var height int64 = 1
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state, stateDB, vals := makeState(4, int(height))
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addr, val := state.Validators.GetByIndex(0)
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addr2, val2 := state.Validators.GetByIndex(1)
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voteA := makeVote(height, 1, 0, addr, types.BlockID{})
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err := vals[val.Address.String()].SignVote(chainID, voteA)
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require.NoError(t, err)
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voteB := makeVote(height, 2, 0, addr, blockID)
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err = vals[val.Address.String()].SignVote(chainID, voteB)
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require.NoError(t, err)
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voteC := makeVote(height, 2, 1, addr2, blockID)
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err = vals[val2.Address.String()].SignVote(chainID, voteC)
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require.NoError(t, err)
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//var ae types.Evidence
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badAe := types.AmnesiaEvidence{
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PotentialAmnesiaEvidence: types.PotentialAmnesiaEvidence{
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VoteA: voteA,
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VoteB: voteB,
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},
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Polc: types.ProofOfLockChange{
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Votes: []types.Vote{*voteC},
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PubKey: val.PubKey,
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},
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}
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err = sm.VerifyEvidence(stateDB, state, badAe, nil)
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if assert.Error(t, err) {
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assert.Equal(t, err.Error(), "amnesia evidence contains invalid polc, err: "+
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"invalid commit -- insufficient voting power: got 1000, needed more than 2667")
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}
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addr3, val3 := state.Validators.GetByIndex(2)
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voteD := makeVote(height, 2, 2, addr3, blockID)
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err = vals[val3.Address.String()].SignVote(chainID, voteD)
|
|
require.NoError(t, err)
|
|
addr4, val4 := state.Validators.GetByIndex(3)
|
|
voteE := makeVote(height, 2, 3, addr4, blockID)
|
|
err = vals[val4.Address.String()].SignVote(chainID, voteE)
|
|
require.NoError(t, err)
|
|
|
|
goodAe := types.AmnesiaEvidence{
|
|
PotentialAmnesiaEvidence: types.PotentialAmnesiaEvidence{
|
|
VoteA: voteA,
|
|
VoteB: voteB,
|
|
},
|
|
Polc: types.ProofOfLockChange{
|
|
Votes: []types.Vote{*voteC, *voteD, *voteE},
|
|
PubKey: val.PubKey,
|
|
},
|
|
}
|
|
err = sm.VerifyEvidence(stateDB, state, goodAe, nil)
|
|
assert.NoError(t, err)
|
|
|
|
goodAe = types.AmnesiaEvidence{
|
|
PotentialAmnesiaEvidence: types.PotentialAmnesiaEvidence{
|
|
VoteA: voteA,
|
|
VoteB: voteB,
|
|
},
|
|
Polc: types.EmptyPOLC(),
|
|
}
|
|
err = sm.VerifyEvidence(stateDB, state, goodAe, nil)
|
|
assert.NoError(t, err)
|
|
|
|
}
|
|
|
|
func TestVerifyEvidenceWithLunaticValidatorEvidence(t *testing.T) {
|
|
state, stateDB, vals := makeState(4, 4)
|
|
state.ConsensusParams.Evidence.MaxAgeNumBlocks = 1
|
|
addr, val := state.Validators.GetByIndex(0)
|
|
h := &types.Header{
|
|
Version: version.Consensus{Block: 1, App: 2},
|
|
ChainID: chainID,
|
|
Height: 3,
|
|
Time: defaultTestTime,
|
|
LastBlockID: blockID,
|
|
LastCommitHash: tmhash.Sum([]byte("last_commit_hash")),
|
|
DataHash: tmhash.Sum([]byte("data_hash")),
|
|
ValidatorsHash: tmhash.Sum([]byte("validators_hash")),
|
|
NextValidatorsHash: tmhash.Sum([]byte("next_validators_hash")),
|
|
ConsensusHash: tmhash.Sum([]byte("consensus_hash")),
|
|
AppHash: tmhash.Sum([]byte("app_hash")),
|
|
LastResultsHash: tmhash.Sum([]byte("last_results_hash")),
|
|
EvidenceHash: tmhash.Sum([]byte("evidence_hash")),
|
|
ProposerAddress: crypto.AddressHash([]byte("proposer_address")),
|
|
}
|
|
vote := makeVote(3, 1, 0, addr, blockID)
|
|
err := vals[val.Address.String()].SignVote(chainID, vote)
|
|
require.NoError(t, err)
|
|
ev := types.LunaticValidatorEvidence{
|
|
Header: h,
|
|
Vote: vote,
|
|
InvalidHeaderField: "ConsensusHash",
|
|
}
|
|
err = ev.ValidateBasic()
|
|
require.NoError(t, err)
|
|
err = sm.VerifyEvidence(stateDB, state, ev, h)
|
|
if assert.Error(t, err) {
|
|
assert.Equal(t, "ConsensusHash matches committed hash", err.Error())
|
|
}
|
|
}
|
|
|
|
func TestVerifyEvidenceWithPhantomValidatorEvidence(t *testing.T) {
|
|
state, stateDB, vals := makeState(4, 4)
|
|
state.ConsensusParams.Evidence.MaxAgeNumBlocks = 1
|
|
addr, val := state.Validators.GetByIndex(0)
|
|
vote := makeVote(3, 1, 0, addr, blockID)
|
|
err := vals[val.Address.String()].SignVote(chainID, vote)
|
|
require.NoError(t, err)
|
|
ev := types.PhantomValidatorEvidence{
|
|
Vote: vote,
|
|
LastHeightValidatorWasInSet: 1,
|
|
}
|
|
err = ev.ValidateBasic()
|
|
require.NoError(t, err)
|
|
err = sm.VerifyEvidence(stateDB, state, ev, nil)
|
|
if assert.Error(t, err) {
|
|
assert.Equal(t, "address 576585A00DD4D58318255611D8AAC60E8E77CB32 was a validator at height 3", err.Error())
|
|
}
|
|
|
|
privVal := types.NewMockPV()
|
|
pubKey, _ := privVal.GetPubKey()
|
|
vote2 := makeVote(3, 1, 0, pubKey.Address(), blockID)
|
|
err = privVal.SignVote(chainID, vote2)
|
|
require.NoError(t, err)
|
|
ev = types.PhantomValidatorEvidence{
|
|
Vote: vote2,
|
|
LastHeightValidatorWasInSet: 1,
|
|
}
|
|
err = ev.ValidateBasic()
|
|
assert.NoError(t, err)
|
|
err = sm.VerifyEvidence(stateDB, state, ev, nil)
|
|
if assert.Error(t, err) {
|
|
assert.Equal(t, "last time validator was in the set at height 1, min: 2", err.Error())
|
|
}
|
|
|
|
ev = types.PhantomValidatorEvidence{
|
|
Vote: vote2,
|
|
LastHeightValidatorWasInSet: 2,
|
|
}
|
|
err = ev.ValidateBasic()
|
|
assert.NoError(t, err)
|
|
err = sm.VerifyEvidence(stateDB, state, ev, nil)
|
|
errMsg := "phantom validator"
|
|
if assert.Error(t, err) {
|
|
assert.Equal(t, errMsg, err.Error()[:len(errMsg)])
|
|
}
|
|
|
|
vals2, err := sm.LoadValidators(stateDB, 2)
|
|
require.NoError(t, err)
|
|
vals2.Validators = append(vals2.Validators, types.NewValidator(pubKey, 1000))
|
|
valKey := []byte("validatorsKey:2")
|
|
protoVals, err := vals2.ToProto()
|
|
require.NoError(t, err)
|
|
valInfo := &protostate.ValidatorsInfo{
|
|
LastHeightChanged: 2,
|
|
ValidatorSet: protoVals,
|
|
}
|
|
|
|
bz, err := valInfo.Marshal()
|
|
require.NoError(t, err)
|
|
|
|
stateDB.Set(valKey, bz)
|
|
ev = types.PhantomValidatorEvidence{
|
|
Vote: vote2,
|
|
LastHeightValidatorWasInSet: 2,
|
|
}
|
|
err = ev.ValidateBasic()
|
|
assert.NoError(t, err)
|
|
err = sm.VerifyEvidence(stateDB, state, ev, nil)
|
|
if !assert.NoError(t, err) {
|
|
t.Log(err)
|
|
}
|
|
|
|
}
|
|
|
|
func makeVote(height int64, round, index int32, addr bytes.HexBytes, blockID types.BlockID) *types.Vote {
|
|
return &types.Vote{
|
|
Type: tmproto.SignedMsgType(2),
|
|
Height: height,
|
|
Round: round,
|
|
BlockID: blockID,
|
|
Timestamp: time.Now(),
|
|
ValidatorAddress: addr,
|
|
ValidatorIndex: index,
|
|
}
|
|
}
|