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420 lines
12 KiB
420 lines
12 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/require"
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"github.com/tendermint/tendermint/abci/example/kvstore"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/crypto/secp256k1"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/mempool/mock"
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tmproto "github.com/tendermint/tendermint/proto/types"
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"github.com/tendermint/tendermint/proxy"
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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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var (
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chainID = "execution_chain"
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testPartSize uint32 = 65536
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nTxsPerBlock = 10
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)
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func TestApplyBlock(t *testing.T) {
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app := kvstore.NewApplication()
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app.RetainBlocks = 1
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cc := proxy.NewLocalClientCreator(app)
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proxyApp := proxy.NewAppConns(cc)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state, stateDB, _ := makeState(1, 1)
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blockExec := sm.NewBlockExecutor(stateDB, log.TestingLogger(), proxyApp.Consensus(),
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mock.Mempool{}, sm.MockEvidencePool{})
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block := makeBlock(state, 1)
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blockID := types.BlockID{Hash: block.Hash(), PartsHeader: block.MakePartSet(testPartSize).Header()}
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_, retainHeight, err := blockExec.ApplyBlock(state, blockID, block)
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require.Nil(t, err)
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assert.EqualValues(t, retainHeight, 1)
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// TODO check state and mempool
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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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app := &testApp{}
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cc := proxy.NewLocalClientCreator(app)
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proxyApp := proxy.NewAppConns(cc)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state, stateDB, _ := makeState(2, 2)
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prevHash := state.LastBlockID.Hash
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prevParts := types.PartSetHeader{}
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prevBlockID := types.BlockID{Hash: prevHash, PartsHeader: 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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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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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, _ := state.MakeBlock(2, makeTxs(2), lastCommit, nil, state.Validators.GetProposer().Address)
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_, err = sm.ExecCommitBlock(proxyApp.Consensus(), block, log.TestingLogger(), stateDB)
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require.Nil(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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app := &testApp{}
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cc := proxy.NewLocalClientCreator(app)
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proxyApp := proxy.NewAppConns(cc)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state, stateDB, _ := makeState(2, 12)
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prevHash := state.LastBlockID.Hash
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prevParts := types.PartSetHeader{}
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prevBlockID := types.BlockID{Hash: prevHash, PartsHeader: prevParts}
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height1, val1 := int64(8), state.Validators.Validators[0].Address
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height2, val2 := int64(3), state.Validators.Validators[1].Address
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ev1 := types.NewMockEvidence(height1, time.Now(), val1)
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ev2 := types.NewMockEvidence(height2, time.Now(), val2)
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now := tmtime.Now()
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valSet := state.Validators
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testCases := []struct {
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desc string
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evidence []types.Evidence
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expectedByzantineValidators []abci.Evidence
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}{
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{"none byzantine", []types.Evidence{}, []abci.Evidence{}},
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{"one byzantine", []types.Evidence{ev1}, []abci.Evidence{types.TM2PB.Evidence(ev1, valSet, now)}},
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{"multiple byzantine", []types.Evidence{ev1, ev2}, []abci.Evidence{
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types.TM2PB.Evidence(ev1, valSet, now),
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types.TM2PB.Evidence(ev2, valSet, now)}},
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}
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var (
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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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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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)
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commitSigs := []types.CommitSig{commitSig0, commitSig1}
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lastCommit := types.NewCommit(9, 0, prevBlockID, commitSigs)
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for _, tc := range testCases {
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block, _ := state.MakeBlock(10, makeTxs(2), lastCommit, nil, state.Validators.GetProposer().Address)
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block.Time = now
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block.Evidence.Evidence = tc.evidence
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_, err = sm.ExecCommitBlock(proxyApp.Consensus(), block, log.TestingLogger(), stateDB)
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require.Nil(t, err, tc.desc)
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// -> app must receive an index of the byzantine validator
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assert.Equal(t, tc.expectedByzantineValidators, app.ByzantineValidators, tc.desc)
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}
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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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secpKey := secp256k1.GenPrivKey().PubKey()
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defaultValidatorParams := tmproto.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 tmproto.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: types.TM2PB.PubKey(pubkey2), 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: types.TM2PB.PubKey(pubkey1), 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: types.TM2PB.PubKey(pubkey2), 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: types.TM2PB.PubKey(pubkey2), Power: -100}},
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defaultValidatorParams,
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true,
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},
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{
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"adding a validator with pubkey thats not in validator params results in error",
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[]abci.ValidatorUpdate{{PubKey: types.TM2PB.PubKey(secpKey), 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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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: types.TM2PB.PubKey(pubkey2), 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: types.TM2PB.PubKey(pubkey1), 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: types.TM2PB.PubKey(pubkey2), 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: types.TM2PB.PubKey(pubkey2), 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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app := &testApp{}
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cc := proxy.NewLocalClientCreator(app)
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proxyApp := proxy.NewAppConns(cc)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state, stateDB, _ := 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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sm.MockEvidencePool{},
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)
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eventBus := types.NewEventBus()
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err = eventBus.Start()
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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.Subscribe(
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context.Background(),
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"TestEndBlockValidatorUpdates",
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types.EventQueryValidatorSetUpdates,
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)
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require.NoError(t, err)
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block := makeBlock(state, 1)
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blockID := types.BlockID{Hash: block.Hash(), PartsHeader: block.MakePartSet(testPartSize).Header()}
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pubkey := ed25519.GenPrivKey().PubKey()
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app.ValidatorUpdates = []abci.ValidatorUpdate{
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{PubKey: types.TM2PB.PubKey(pubkey), Power: 10},
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}
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state, _, err = blockExec.ApplyBlock(state, blockID, block)
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require.Nil(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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select {
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case msg := <-updatesSub.Out():
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event, ok := msg.Data().(types.EventDataValidatorSetUpdates)
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require.True(t, ok, "Expected event of type EventDataValidatorSetUpdates, got %T", msg.Data())
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if assert.NotEmpty(t, event.ValidatorUpdates) {
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assert.Equal(t, pubkey, event.ValidatorUpdates[0].PubKey)
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assert.EqualValues(t, 10, event.ValidatorUpdates[0].VotingPower)
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}
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case <-updatesSub.Cancelled():
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t.Fatalf("updatesSub was cancelled (reason: %v)", updatesSub.Err())
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case <-time.After(1 * time.Second):
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t.Fatal("Did not receive EventValidatorSetUpdates within 1 sec.")
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}
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}
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// TestEndBlockValidatorUpdatesResultingInEmptySet checks that processing validator updates that
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// would result in empty set causes no panic, an error is raised and NextValidators is not updated
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func TestEndBlockValidatorUpdatesResultingInEmptySet(t *testing.T) {
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app := &testApp{}
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cc := proxy.NewLocalClientCreator(app)
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proxyApp := proxy.NewAppConns(cc)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state, stateDB, _ := 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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sm.MockEvidencePool{},
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)
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block := makeBlock(state, 1)
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blockID := types.BlockID{Hash: block.Hash(), PartsHeader: block.MakePartSet(testPartSize).Header()}
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// Remove the only validator
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app.ValidatorUpdates = []abci.ValidatorUpdate{
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{PubKey: types.TM2PB.PubKey(state.Validators.Validators[0].PubKey), Power: 0},
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}
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assert.NotPanics(t, func() { state, _, err = blockExec.ApplyBlock(state, blockID, block) })
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assert.NotNil(t, err)
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assert.NotEmpty(t, state.NextValidators.Validators)
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}
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