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545 lines
17 KiB
545 lines
17 KiB
package state_test
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import (
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"context"
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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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dbm "github.com/tendermint/tm-db"
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abciclient "github.com/tendermint/tendermint/abci/client"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/crypto/encoding"
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"github.com/tendermint/tendermint/crypto/tmhash"
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"github.com/tendermint/tendermint/internal/eventbus"
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mmock "github.com/tendermint/tendermint/internal/mempool/mock"
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"github.com/tendermint/tendermint/internal/proxy"
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"github.com/tendermint/tendermint/internal/pubsub"
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sm "github.com/tendermint/tendermint/internal/state"
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"github.com/tendermint/tendermint/internal/state/mocks"
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sf "github.com/tendermint/tendermint/internal/state/test/factory"
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"github.com/tendermint/tendermint/internal/store"
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"github.com/tendermint/tendermint/internal/test/factory"
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"github.com/tendermint/tendermint/libs/log"
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tmtime "github.com/tendermint/tendermint/libs/time"
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"github.com/tendermint/tendermint/types"
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"github.com/tendermint/tendermint/version"
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)
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var (
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chainID = "execution_chain"
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testPartSize uint32 = 65536
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)
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func TestApplyBlock(t *testing.T) {
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app := &testApp{}
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cc := abciclient.NewLocalCreator(app)
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logger := log.TestingLogger()
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proxyApp := proxy.NewAppConns(cc, logger, proxy.NopMetrics())
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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err := proxyApp.Start(ctx)
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require.NoError(t, err)
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state, stateDB, _ := makeState(t, 1, 1)
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stateStore := sm.NewStore(stateDB)
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blockStore := store.NewBlockStore(dbm.NewMemDB())
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blockExec := sm.NewBlockExecutor(stateStore, logger, proxyApp.Consensus(),
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mmock.Mempool{}, sm.EmptyEvidencePool{}, blockStore)
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block, err := sf.MakeBlock(state, 1, new(types.Commit))
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require.NoError(t, err)
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bps, err := block.MakePartSet(testPartSize)
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require.NoError(t, err)
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blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: bps.Header()}
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state, err = blockExec.ApplyBlock(ctx, state, blockID, block)
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require.NoError(t, err)
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// TODO check state and mempool
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assert.EqualValues(t, 1, state.Version.Consensus.App, "App version wasn't updated")
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}
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// TestBeginBlockValidators ensures we send absent validators list.
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func TestBeginBlockValidators(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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app := &testApp{}
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cc := abciclient.NewLocalCreator(app)
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proxyApp := proxy.NewAppConns(cc, log.TestingLogger(), proxy.NopMetrics())
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err := proxyApp.Start(ctx)
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require.NoError(t, err)
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state, stateDB, _ := makeState(t, 2, 2)
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stateStore := sm.NewStore(stateDB)
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prevHash := state.LastBlockID.Hash
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prevParts := types.PartSetHeader{}
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prevBlockID := types.BlockID{Hash: prevHash, PartSetHeader: prevParts}
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var (
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now = tmtime.Now()
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commitSig0 = types.NewCommitSigForBlock(
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[]byte("Signature1"),
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state.Validators.Validators[0].Address,
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now,
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types.VoteExtensionToSign{},
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)
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commitSig1 = types.NewCommitSigForBlock(
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[]byte("Signature2"),
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state.Validators.Validators[1].Address,
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now,
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types.VoteExtensionToSign{},
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)
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absentSig = types.NewCommitSigAbsent()
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)
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testCases := []struct {
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desc string
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lastCommitSigs []types.CommitSig
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expectedAbsentValidators []int
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}{
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{"none absent", []types.CommitSig{commitSig0, commitSig1}, []int{}},
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{"one absent", []types.CommitSig{commitSig0, absentSig}, []int{1}},
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{"multiple absent", []types.CommitSig{absentSig, absentSig}, []int{0, 1}},
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}
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for _, tc := range testCases {
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lastCommit := types.NewCommit(1, 0, prevBlockID, tc.lastCommitSigs)
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// block for height 2
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block, err := sf.MakeBlock(state, 2, lastCommit)
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require.NoError(t, err)
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_, err = sm.ExecCommitBlock(ctx, nil, proxyApp.Consensus(), block, log.TestingLogger(), stateStore, 1, state)
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require.NoError(t, err, tc.desc)
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// -> app receives a list of validators with a bool indicating if they signed
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ctr := 0
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for i, v := range app.CommitVotes {
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if ctr < len(tc.expectedAbsentValidators) &&
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tc.expectedAbsentValidators[ctr] == i {
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assert.False(t, v.SignedLastBlock)
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ctr++
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} else {
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assert.True(t, v.SignedLastBlock)
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}
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}
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}
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}
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// TestBeginBlockByzantineValidators ensures we send byzantine validators list.
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func TestBeginBlockByzantineValidators(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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app := &testApp{}
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cc := abciclient.NewLocalCreator(app)
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proxyApp := proxy.NewAppConns(cc, log.TestingLogger(), proxy.NopMetrics())
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err := proxyApp.Start(ctx)
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require.NoError(t, err)
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state, stateDB, privVals := makeState(t, 1, 1)
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stateStore := sm.NewStore(stateDB)
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defaultEvidenceTime := time.Date(2019, 1, 1, 0, 0, 0, 0, time.UTC)
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privVal := privVals[state.Validators.Validators[0].Address.String()]
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blockID := makeBlockID([]byte("headerhash"), 1000, []byte("partshash"))
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header := &types.Header{
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Version: version.Consensus{Block: version.BlockProtocol, App: 1},
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ChainID: state.ChainID,
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Height: 10,
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Time: defaultEvidenceTime,
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LastBlockID: blockID,
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LastCommitHash: crypto.CRandBytes(tmhash.Size),
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DataHash: crypto.CRandBytes(tmhash.Size),
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ValidatorsHash: state.Validators.Hash(),
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NextValidatorsHash: state.Validators.Hash(),
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ConsensusHash: crypto.CRandBytes(tmhash.Size),
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AppHash: crypto.CRandBytes(tmhash.Size),
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LastResultsHash: crypto.CRandBytes(tmhash.Size),
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EvidenceHash: crypto.CRandBytes(tmhash.Size),
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ProposerAddress: crypto.CRandBytes(crypto.AddressSize),
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}
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// we don't need to worry about validating the evidence as long as they pass validate basic
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dve, err := types.NewMockDuplicateVoteEvidenceWithValidator(ctx, 3, defaultEvidenceTime, privVal, state.ChainID)
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require.NoError(t, err)
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dve.ValidatorPower = 1000
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lcae := &types.LightClientAttackEvidence{
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ConflictingBlock: &types.LightBlock{
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SignedHeader: &types.SignedHeader{
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Header: header,
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Commit: types.NewCommit(10, 0, makeBlockID(header.Hash(), 100, []byte("partshash")), []types.CommitSig{{
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BlockIDFlag: types.BlockIDFlagNil,
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ValidatorAddress: crypto.AddressHash([]byte("validator_address")),
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Timestamp: defaultEvidenceTime,
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Signature: crypto.CRandBytes(types.MaxSignatureSize),
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}}),
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},
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ValidatorSet: state.Validators,
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},
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CommonHeight: 8,
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ByzantineValidators: []*types.Validator{state.Validators.Validators[0]},
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TotalVotingPower: 12,
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Timestamp: defaultEvidenceTime,
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}
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ev := []types.Evidence{dve, lcae}
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abciEv := []abci.Evidence{
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{
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Type: abci.EvidenceType_DUPLICATE_VOTE,
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Height: 3,
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Time: defaultEvidenceTime,
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Validator: types.TM2PB.Validator(state.Validators.Validators[0]),
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TotalVotingPower: 10,
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},
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{
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Type: abci.EvidenceType_LIGHT_CLIENT_ATTACK,
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Height: 8,
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Time: defaultEvidenceTime,
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Validator: types.TM2PB.Validator(state.Validators.Validators[0]),
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TotalVotingPower: 12,
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},
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}
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evpool := &mocks.EvidencePool{}
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evpool.On("PendingEvidence", mock.AnythingOfType("int64")).Return(ev, int64(100))
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evpool.On("Update", mock.AnythingOfType("state.State"), mock.AnythingOfType("types.EvidenceList")).Return()
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evpool.On("CheckEvidence", mock.AnythingOfType("types.EvidenceList")).Return(nil)
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blockStore := store.NewBlockStore(dbm.NewMemDB())
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blockExec := sm.NewBlockExecutor(stateStore, log.TestingLogger(), proxyApp.Consensus(),
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mmock.Mempool{}, evpool, blockStore)
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block, err := sf.MakeBlock(state, 1, new(types.Commit))
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require.NoError(t, err)
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block.Evidence = ev
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block.Header.EvidenceHash = block.Evidence.Hash()
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bps, err := block.MakePartSet(testPartSize)
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require.NoError(t, err)
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blockID = types.BlockID{Hash: block.Hash(), PartSetHeader: bps.Header()}
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_, err = blockExec.ApplyBlock(ctx, state, blockID, block)
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require.NoError(t, err)
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// TODO check state and mempool
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assert.Equal(t, abciEv, app.ByzantineValidators)
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}
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func TestProcessProposal(t *testing.T) {
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height := 1
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runTest := func(txs types.Txs, expectAccept bool) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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app := &testApp{}
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cc := abciclient.NewLocalCreator(app)
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logger := log.TestingLogger()
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proxyApp := proxy.NewAppConns(cc, logger, proxy.NopMetrics())
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err := proxyApp.Start(ctx)
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require.NoError(t, err)
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state, stateDB, _ := makeState(t, 1, height)
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stateStore := sm.NewStore(stateDB)
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blockStore := store.NewBlockStore(dbm.NewMemDB())
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blockExec := sm.NewBlockExecutor(
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stateStore,
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logger,
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proxyApp.Consensus(),
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mmock.Mempool{},
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sm.EmptyEvidencePool{},
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blockStore,
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)
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block, err := sf.MakeBlock(state, int64(height), new(types.Commit))
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require.NoError(t, err)
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block.Txs = txs
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acceptBlock, err := blockExec.ProcessProposal(ctx, block)
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require.NoError(t, err)
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require.Equal(t, expectAccept, acceptBlock)
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}
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goodTxs := factory.MakeTenTxs(int64(height))
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runTest(goodTxs, true)
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// testApp has process proposal fail if any tx is 0-len
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badTxs := factory.MakeTenTxs(int64(height))
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badTxs[0] = types.Tx{}
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runTest(badTxs, false)
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}
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func TestValidateValidatorUpdates(t *testing.T) {
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pubkey1 := ed25519.GenPrivKey().PubKey()
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pubkey2 := ed25519.GenPrivKey().PubKey()
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pk1, err := encoding.PubKeyToProto(pubkey1)
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assert.NoError(t, err)
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pk2, err := encoding.PubKeyToProto(pubkey2)
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assert.NoError(t, err)
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defaultValidatorParams := types.ValidatorParams{PubKeyTypes: []string{types.ABCIPubKeyTypeEd25519}}
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testCases := []struct {
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name string
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abciUpdates []abci.ValidatorUpdate
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validatorParams types.ValidatorParams
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shouldErr bool
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}{
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{
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"adding a validator is OK",
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[]abci.ValidatorUpdate{{PubKey: pk2, Power: 20}},
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defaultValidatorParams,
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false,
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},
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{
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"updating a validator is OK",
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[]abci.ValidatorUpdate{{PubKey: pk1, Power: 20}},
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defaultValidatorParams,
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false,
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},
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{
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"removing a validator is OK",
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[]abci.ValidatorUpdate{{PubKey: pk2, Power: 0}},
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defaultValidatorParams,
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false,
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},
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{
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"adding a validator with negative power results in error",
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[]abci.ValidatorUpdate{{PubKey: pk2, Power: -100}},
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defaultValidatorParams,
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true,
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},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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err := sm.ValidateValidatorUpdates(tc.abciUpdates, tc.validatorParams)
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if tc.shouldErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestUpdateValidators(t *testing.T) {
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pubkey1 := ed25519.GenPrivKey().PubKey()
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val1 := types.NewValidator(pubkey1, 10)
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pubkey2 := ed25519.GenPrivKey().PubKey()
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val2 := types.NewValidator(pubkey2, 20)
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pk, err := encoding.PubKeyToProto(pubkey1)
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require.NoError(t, err)
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pk2, err := encoding.PubKeyToProto(pubkey2)
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require.NoError(t, err)
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testCases := []struct {
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name string
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currentSet *types.ValidatorSet
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abciUpdates []abci.ValidatorUpdate
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resultingSet *types.ValidatorSet
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shouldErr bool
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}{
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{
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"adding a validator is OK",
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types.NewValidatorSet([]*types.Validator{val1}),
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[]abci.ValidatorUpdate{{PubKey: pk2, Power: 20}},
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types.NewValidatorSet([]*types.Validator{val1, val2}),
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false,
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},
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{
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"updating a validator is OK",
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types.NewValidatorSet([]*types.Validator{val1}),
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[]abci.ValidatorUpdate{{PubKey: pk, Power: 20}},
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types.NewValidatorSet([]*types.Validator{types.NewValidator(pubkey1, 20)}),
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false,
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},
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{
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"removing a validator is OK",
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types.NewValidatorSet([]*types.Validator{val1, val2}),
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[]abci.ValidatorUpdate{{PubKey: pk2, Power: 0}},
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types.NewValidatorSet([]*types.Validator{val1}),
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false,
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},
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{
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"removing a non-existing validator results in error",
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types.NewValidatorSet([]*types.Validator{val1}),
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[]abci.ValidatorUpdate{{PubKey: pk2, Power: 0}},
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types.NewValidatorSet([]*types.Validator{val1}),
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true,
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},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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updates, err := types.PB2TM.ValidatorUpdates(tc.abciUpdates)
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assert.NoError(t, err)
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err = tc.currentSet.UpdateWithChangeSet(updates)
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if tc.shouldErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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require.Equal(t, tc.resultingSet.Size(), tc.currentSet.Size())
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assert.Equal(t, tc.resultingSet.TotalVotingPower(), tc.currentSet.TotalVotingPower())
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assert.Equal(t, tc.resultingSet.Validators[0].Address, tc.currentSet.Validators[0].Address)
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if tc.resultingSet.Size() > 1 {
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assert.Equal(t, tc.resultingSet.Validators[1].Address, tc.currentSet.Validators[1].Address)
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}
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}
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})
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}
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}
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// TestEndBlockValidatorUpdates ensures we update validator set and send an event.
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func TestEndBlockValidatorUpdates(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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app := &testApp{}
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cc := abciclient.NewLocalCreator(app)
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logger := log.TestingLogger()
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proxyApp := proxy.NewAppConns(cc, logger, proxy.NopMetrics())
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err := proxyApp.Start(ctx)
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require.NoError(t, err)
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state, stateDB, _ := makeState(t, 1, 1)
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stateStore := sm.NewStore(stateDB)
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blockStore := store.NewBlockStore(dbm.NewMemDB())
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blockExec := sm.NewBlockExecutor(
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stateStore,
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logger,
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proxyApp.Consensus(),
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mmock.Mempool{},
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sm.EmptyEvidencePool{},
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blockStore,
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)
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eventBus := eventbus.NewDefault(logger)
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err = eventBus.Start(ctx)
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require.NoError(t, err)
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defer eventBus.Stop()
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blockExec.SetEventBus(eventBus)
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updatesSub, err := eventBus.SubscribeWithArgs(ctx, pubsub.SubscribeArgs{
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ClientID: "TestEndBlockValidatorUpdates",
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Query: types.EventQueryValidatorSetUpdates,
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})
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require.NoError(t, err)
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block, err := sf.MakeBlock(state, 1, new(types.Commit))
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require.NoError(t, err)
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bps, err := block.MakePartSet(testPartSize)
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require.NoError(t, err)
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blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: bps.Header()}
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pubkey := ed25519.GenPrivKey().PubKey()
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pk, err := encoding.PubKeyToProto(pubkey)
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require.NoError(t, err)
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app.ValidatorUpdates = []abci.ValidatorUpdate{
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{PubKey: pk, Power: 10},
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}
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state, err = blockExec.ApplyBlock(ctx, state, blockID, block)
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require.NoError(t, err)
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// test new validator was added to NextValidators
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if assert.Equal(t, state.Validators.Size()+1, state.NextValidators.Size()) {
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idx, _ := state.NextValidators.GetByAddress(pubkey.Address())
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if idx < 0 {
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t.Fatalf("can't find address %v in the set %v", pubkey.Address(), state.NextValidators)
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}
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}
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// test we threw an event
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ctx, cancel = context.WithTimeout(ctx, 1*time.Second)
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defer cancel()
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msg, err := updatesSub.Next(ctx)
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require.NoError(t, err)
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event, ok := msg.Data().(types.EventDataValidatorSetUpdates)
|
|
require.True(t, ok, "Expected event of type EventDataValidatorSetUpdates, got %T", msg.Data())
|
|
if assert.NotEmpty(t, event.ValidatorUpdates) {
|
|
assert.Equal(t, pubkey, event.ValidatorUpdates[0].PubKey)
|
|
assert.EqualValues(t, 10, event.ValidatorUpdates[0].VotingPower)
|
|
}
|
|
}
|
|
|
|
// TestEndBlockValidatorUpdatesResultingInEmptySet checks that processing validator updates that
|
|
// would result in empty set causes no panic, an error is raised and NextValidators is not updated
|
|
func TestEndBlockValidatorUpdatesResultingInEmptySet(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
app := &testApp{}
|
|
cc := abciclient.NewLocalCreator(app)
|
|
logger := log.TestingLogger()
|
|
proxyApp := proxy.NewAppConns(cc, logger, proxy.NopMetrics())
|
|
err := proxyApp.Start(ctx)
|
|
require.NoError(t, err)
|
|
|
|
state, stateDB, _ := makeState(t, 1, 1)
|
|
stateStore := sm.NewStore(stateDB)
|
|
blockStore := store.NewBlockStore(dbm.NewMemDB())
|
|
blockExec := sm.NewBlockExecutor(
|
|
stateStore,
|
|
log.TestingLogger(),
|
|
proxyApp.Consensus(),
|
|
mmock.Mempool{},
|
|
sm.EmptyEvidencePool{},
|
|
blockStore,
|
|
)
|
|
|
|
block, err := sf.MakeBlock(state, 1, new(types.Commit))
|
|
require.NoError(t, err)
|
|
bps, err := block.MakePartSet(testPartSize)
|
|
require.NoError(t, err)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: bps.Header()}
|
|
|
|
vp, err := encoding.PubKeyToProto(state.Validators.Validators[0].PubKey)
|
|
require.NoError(t, err)
|
|
// Remove the only validator
|
|
app.ValidatorUpdates = []abci.ValidatorUpdate{
|
|
{PubKey: vp, Power: 0},
|
|
}
|
|
|
|
assert.NotPanics(t, func() { state, err = blockExec.ApplyBlock(ctx, state, blockID, block) })
|
|
assert.Error(t, err)
|
|
assert.NotEmpty(t, state.NextValidators.Validators)
|
|
}
|
|
|
|
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,
|
|
},
|
|
}
|
|
}
|