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571 lines
18 KiB
571 lines
18 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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abcimocks "github.com/tendermint/tendermint/abci/types/mocks"
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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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"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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logger := log.TestingLogger()
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cc := abciclient.NewLocalClient(logger, app)
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proxyApp := proxy.New(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,
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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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// TestFinalizeBlockDecidedLastCommit ensures we correctly send the DecidedLastCommit to the
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// application. The test ensures that the DecidedLastCommit properly reflects
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// which validators signed the preceding block.
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func TestFinalizeBlockDecidedLastCommit(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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logger := log.TestingLogger()
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app := &testApp{}
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cc := abciclient.NewLocalClient(logger, app)
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appClient := proxy.New(cc, logger, proxy.NopMetrics())
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err := appClient.Start(ctx)
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require.NoError(t, err)
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state, stateDB, privVals := makeState(t, 7, 1)
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stateStore := sm.NewStore(stateDB)
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absentSig := types.NewCommitSigAbsent()
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testCases := []struct {
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name string
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absentCommitSigs map[int]bool
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}{
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{"none absent", map[int]bool{}},
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{"one absent", map[int]bool{1: true}},
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{"multiple absent", map[int]bool{1: true, 3: true}},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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blockStore := store.NewBlockStore(dbm.NewMemDB())
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evpool := &mocks.EvidencePool{}
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evpool.On("PendingEvidence", mock.Anything).Return([]types.Evidence{}, 0)
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evpool.On("Update", ctx, mock.Anything, mock.Anything).Return()
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evpool.On("CheckEvidence", ctx, mock.Anything).Return(nil)
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blockExec := sm.NewBlockExecutor(stateStore, log.TestingLogger(), appClient, mmock.Mempool{}, evpool, blockStore)
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state, _, lastCommit := makeAndCommitGoodBlock(ctx, t, state, 1, new(types.Commit), state.NextValidators.Validators[0].Address, blockExec, privVals, nil)
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for idx, isAbsent := range tc.absentCommitSigs {
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if isAbsent {
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lastCommit.Signatures[idx] = absentSig
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}
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}
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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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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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// -> app receives a list of validators with a bool indicating if they signed
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for i, v := range app.CommitVotes {
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_, absent := tc.absentCommitSigs[i]
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assert.Equal(t, !absent, v.SignedLastBlock)
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}
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})
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}
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}
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// TestFinalizeBlockByzantineValidators ensures we send byzantine validators list.
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func TestFinalizeBlockByzantineValidators(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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logger := log.TestingLogger()
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cc := abciclient.NewLocalClient(logger, app)
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proxyApp := proxy.New(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, 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", ctx, mock.AnythingOfType("state.State"), mock.AnythingOfType("types.EvidenceList")).Return()
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evpool.On("CheckEvidence", ctx, 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,
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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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const height = 2
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txs := factory.MakeTenTxs(height)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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app := abcimocks.NewBaseMock()
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logger := log.TestingLogger()
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cc := abciclient.NewLocalClient(logger, app)
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proxyApp := proxy.New(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, privVals := 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,
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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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block0, err := sf.MakeBlock(state, height-1, new(types.Commit))
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require.NoError(t, err)
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lastCommitSig := []types.CommitSig{}
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partSet, err := block0.MakePartSet(types.BlockPartSizeBytes)
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require.NoError(t, err)
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blockID := types.BlockID{Hash: block0.Hash(), PartSetHeader: partSet.Header()}
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voteInfos := []abci.VoteInfo{}
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for _, privVal := range privVals {
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vote, err := factory.MakeVote(ctx, privVal, block0.Header.ChainID, 0, 0, 0, 2, blockID, time.Now())
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require.NoError(t, err)
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pk, err := privVal.GetPubKey(ctx)
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require.NoError(t, err)
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addr := pk.Address()
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voteInfos = append(voteInfos,
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abci.VoteInfo{
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SignedLastBlock: true,
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Validator: abci.Validator{
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Address: addr,
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Power: 1000,
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},
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})
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lastCommitSig = append(lastCommitSig, vote.CommitSig())
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}
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lastCommit := types.NewCommit(height-1, 0, types.BlockID{}, lastCommitSig)
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block1, err := sf.MakeBlock(state, height, lastCommit)
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require.NoError(t, err)
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block1.Txs = txs
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expectedRpp := abci.RequestProcessProposal{
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Hash: block1.Hash(),
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Header: *block1.Header.ToProto(),
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Txs: block1.Txs.ToSliceOfBytes(),
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ByzantineValidators: block1.Evidence.ToABCI(),
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ProposedLastCommit: abci.CommitInfo{
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Round: 0,
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Votes: voteInfos,
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},
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}
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app.On("ProcessProposal", mock.Anything).Return(abci.ResponseProcessProposal{Accept: true})
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acceptBlock, err := blockExec.ProcessProposal(ctx, block1, state)
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require.NoError(t, err)
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require.True(t, acceptBlock)
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app.AssertExpectations(t)
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app.AssertCalled(t, "ProcessProposal", expectedRpp)
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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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// TestFinalizeBlockValidatorUpdates ensures we update validator set and send an event.
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func TestFinalizeBlockValidatorUpdates(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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logger := log.TestingLogger()
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cc := abciclient.NewLocalClient(logger, app)
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proxyApp := proxy.New(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,
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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: "TestFinalizeBlockValidatorUpdates",
|
|
Query: types.EventQueryValidatorSetUpdates,
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
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()}
|
|
|
|
pubkey := ed25519.GenPrivKey().PubKey()
|
|
pk, err := encoding.PubKeyToProto(pubkey)
|
|
require.NoError(t, err)
|
|
app.ValidatorUpdates = []abci.ValidatorUpdate{
|
|
{PubKey: pk, Power: 10},
|
|
}
|
|
|
|
state, err = blockExec.ApplyBlock(ctx, state, blockID, block)
|
|
require.NoError(t, err)
|
|
// test new validator was added to NextValidators
|
|
if assert.Equal(t, state.Validators.Size()+1, state.NextValidators.Size()) {
|
|
idx, _ := state.NextValidators.GetByAddress(pubkey.Address())
|
|
if idx < 0 {
|
|
t.Fatalf("can't find address %v in the set %v", pubkey.Address(), state.NextValidators)
|
|
}
|
|
}
|
|
|
|
// test we threw an event
|
|
ctx, cancel = context.WithTimeout(ctx, 1*time.Second)
|
|
defer cancel()
|
|
msg, err := updatesSub.Next(ctx)
|
|
require.NoError(t, err)
|
|
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)
|
|
}
|
|
}
|
|
|
|
// TestFinalizeBlockValidatorUpdatesResultingInEmptySet checks that processing validator updates that
|
|
// would result in empty set causes no panic, an error is raised and NextValidators is not updated
|
|
func TestFinalizeBlockValidatorUpdatesResultingInEmptySet(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
app := &testApp{}
|
|
logger := log.TestingLogger()
|
|
cc := abciclient.NewLocalClient(logger, app)
|
|
proxyApp := proxy.New(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,
|
|
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,
|
|
},
|
|
}
|
|
}
|