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330 lines
10 KiB
330 lines
10 KiB
package state_test
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/crypto/tmhash"
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evmock "github.com/tendermint/tendermint/evidence/mock"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/mock"
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sm "github.com/tendermint/tendermint/state"
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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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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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mock.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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mock.Mempool{},
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evmock.NewDefaultEvidencePool(),
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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: types.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(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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mock.Mempool{},
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evmock.NewDefaultEvidencePool(),
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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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goodEvidence := types.NewMockEvidence(height, time.Now(), proposerAddr)
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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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maxBlockSize := state.ConsensusParams.Block.MaxBytes
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maxNumEvidence, _ := types.MaxEvidencePerBlock(maxBlockSize)
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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 := int64(0); i <= maxNumEvidence; i++ {
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evidence = append(evidence, goodEvidence)
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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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maxBlockSize := state.ConsensusParams.Block.MaxBytes
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maxNumEvidence, _ := types.MaxEvidencePerBlock(maxBlockSize)
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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 := int64(0); i < maxNumEvidence; i++ {
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evidence = append(evidence, goodEvidence)
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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(1, int(height))
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evpool := evmock.NewDefaultEvidencePool()
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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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addr, _ := state.Validators.GetByIndex(0)
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evpool.CommitEvidence(evpool.AddMockEvidence(height, addr))
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block.Evidence.Evidence = evpool.CommittedEvidenceList
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block.EvidenceHash = block.Evidence.Hash()
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err := blockExec.ValidateBlock(state, block)
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require.Error(t, err)
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require.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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evpool := evmock.NewDefaultEvidencePool()
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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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addr, _ := state.Validators.GetByIndex(0)
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addr2, _ := state.Validators.GetByIndex(0)
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// add pending evidence
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pendingEv := evpool.AddMockEvidence(height, addr)
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// add evidence that hasn't seen before
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ev := types.NewMockEvidence(height, time.Now(), addr2)
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block.Evidence.Evidence = []types.Evidence{pendingEv, ev}
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block.EvidenceHash = block.Evidence.Hash()
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err := blockExec.ValidateBlock(state, block)
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require.NoError(t, err)
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}
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// TODO: prevent committing duplicate votes
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//func TestValidateDuplicateEvidenceShouldFail(t *testing.T) {
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// var height int64 = 1
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// var evidence []types.Evidence
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// state, stateDB, _ := makeState(1, int(height))
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//
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// evpool := evmock.NewDefaultEvidencePool()
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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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// addr, _ := state.Validators.GetByIndex(0)
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// for i := 0; i < 2; i++ {
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// evidence = append(evidence, types.NewMockEvidence(height, time.Now(), addr))
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// }
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// block.Evidence.Evidence = evidence
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// block.EvidenceHash = block.Evidence.Hash()
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// err := blockExec.ValidateBlock(state, block)
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//
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// require.Error(t, err)
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//}
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