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929 lines
25 KiB
929 lines
25 KiB
package consensus
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"sync"
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"testing"
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"time"
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"github.com/fortytw2/leaktest"
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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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"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/config"
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"github.com/tendermint/tendermint/crypto/encoding"
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"github.com/tendermint/tendermint/internal/eventbus"
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"github.com/tendermint/tendermint/internal/mempool"
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"github.com/tendermint/tendermint/internal/p2p"
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"github.com/tendermint/tendermint/internal/p2p/p2ptest"
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tmpubsub "github.com/tendermint/tendermint/internal/pubsub"
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sm "github.com/tendermint/tendermint/internal/state"
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statemocks "github.com/tendermint/tendermint/internal/state/mocks"
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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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tmcons "github.com/tendermint/tendermint/proto/tendermint/consensus"
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"github.com/tendermint/tendermint/types"
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)
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var (
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defaultTestTime = time.Date(2019, 1, 1, 0, 0, 0, 0, time.UTC)
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)
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type reactorTestSuite struct {
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network *p2ptest.Network
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states map[types.NodeID]*State
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reactors map[types.NodeID]*Reactor
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subs map[types.NodeID]eventbus.Subscription
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blocksyncSubs map[types.NodeID]eventbus.Subscription
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stateChannels map[types.NodeID]*p2p.Channel
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dataChannels map[types.NodeID]*p2p.Channel
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voteChannels map[types.NodeID]*p2p.Channel
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voteSetBitsChannels map[types.NodeID]*p2p.Channel
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}
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func chDesc(chID p2p.ChannelID, size int) *p2p.ChannelDescriptor {
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return &p2p.ChannelDescriptor{
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ID: chID,
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MessageType: new(tmcons.Message),
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RecvBufferCapacity: size,
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}
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}
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func setup(
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ctx context.Context,
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t *testing.T,
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numNodes int,
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states []*State,
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size int,
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) *reactorTestSuite {
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t.Helper()
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rts := &reactorTestSuite{
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network: p2ptest.MakeNetwork(ctx, t, p2ptest.NetworkOptions{NumNodes: numNodes}),
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states: make(map[types.NodeID]*State),
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reactors: make(map[types.NodeID]*Reactor, numNodes),
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subs: make(map[types.NodeID]eventbus.Subscription, numNodes),
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blocksyncSubs: make(map[types.NodeID]eventbus.Subscription, numNodes),
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}
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rts.stateChannels = rts.network.MakeChannelsNoCleanup(ctx, t, chDesc(StateChannel, size))
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rts.dataChannels = rts.network.MakeChannelsNoCleanup(ctx, t, chDesc(DataChannel, size))
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rts.voteChannels = rts.network.MakeChannelsNoCleanup(ctx, t, chDesc(VoteChannel, size))
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rts.voteSetBitsChannels = rts.network.MakeChannelsNoCleanup(ctx, t, chDesc(VoteSetBitsChannel, size))
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ctx, cancel := context.WithCancel(ctx)
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t.Cleanup(cancel)
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chCreator := func(nodeID types.NodeID) p2p.ChannelCreator {
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return func(ctx context.Context, desc *p2p.ChannelDescriptor) (*p2p.Channel, error) {
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switch desc.ID {
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case StateChannel:
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return rts.stateChannels[nodeID], nil
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case DataChannel:
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return rts.dataChannels[nodeID], nil
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case VoteChannel:
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return rts.voteChannels[nodeID], nil
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case VoteSetBitsChannel:
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return rts.voteSetBitsChannels[nodeID], nil
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default:
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return nil, fmt.Errorf("invalid channel; %v", desc.ID)
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}
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}
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}
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i := 0
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for nodeID, node := range rts.network.Nodes {
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state := states[i]
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reactor, err := NewReactor(ctx,
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state.logger.With("node", nodeID),
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state,
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chCreator(nodeID),
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node.MakePeerUpdates(ctx, t),
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state.eventBus,
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true,
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NopMetrics(),
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)
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require.NoError(t, err)
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blocksSub, err := state.eventBus.SubscribeWithArgs(ctx, tmpubsub.SubscribeArgs{
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ClientID: testSubscriber,
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Query: types.EventQueryNewBlock,
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Limit: size,
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})
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require.NoError(t, err)
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fsSub, err := state.eventBus.SubscribeWithArgs(ctx, tmpubsub.SubscribeArgs{
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ClientID: testSubscriber,
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Query: types.EventQueryBlockSyncStatus,
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Limit: size,
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})
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require.NoError(t, err)
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rts.states[nodeID] = state
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rts.subs[nodeID] = blocksSub
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rts.reactors[nodeID] = reactor
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rts.blocksyncSubs[nodeID] = fsSub
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// simulate handle initChain in handshake
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if state.state.LastBlockHeight == 0 {
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require.NoError(t, state.blockExec.Store().Save(state.state))
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}
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require.NoError(t, reactor.Start(ctx))
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require.True(t, reactor.IsRunning())
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t.Cleanup(reactor.Wait)
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i++
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}
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require.Len(t, rts.reactors, numNodes)
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// start the in-memory network and connect all peers with each other
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rts.network.Start(ctx, t)
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t.Cleanup(leaktest.Check(t))
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return rts
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}
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func validateBlock(block *types.Block, activeVals map[string]struct{}) error {
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if block.LastCommit.Size() != len(activeVals) {
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return fmt.Errorf(
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"commit size doesn't match number of active validators. Got %d, expected %d",
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block.LastCommit.Size(), len(activeVals),
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)
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}
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for _, commitSig := range block.LastCommit.Signatures {
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if _, ok := activeVals[string(commitSig.ValidatorAddress)]; !ok {
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return fmt.Errorf("found vote for inactive validator %X", commitSig.ValidatorAddress)
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}
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}
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return nil
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}
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func waitForAndValidateBlock(
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bctx context.Context,
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t *testing.T,
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n int,
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activeVals map[string]struct{},
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blocksSubs []eventbus.Subscription,
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states []*State,
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txs ...[]byte,
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) {
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t.Helper()
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ctx, cancel := context.WithCancel(bctx)
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defer cancel()
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fn := func(j int) {
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msg, err := blocksSubs[j].Next(ctx)
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switch {
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case errors.Is(err, context.DeadlineExceeded):
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return
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case errors.Is(err, context.Canceled):
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return
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case err != nil:
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cancel() // terminate other workers
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require.NoError(t, err)
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return
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}
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newBlock := msg.Data().(types.EventDataNewBlock).Block
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require.NoError(t, validateBlock(newBlock, activeVals))
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for _, tx := range txs {
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err := assertMempool(t, states[j].txNotifier).CheckTx(ctx, tx, nil, mempool.TxInfo{})
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if errors.Is(err, types.ErrTxInCache) {
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continue
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}
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require.NoError(t, err)
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}
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}
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var wg sync.WaitGroup
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for i := 0; i < n; i++ {
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wg.Add(1)
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go func(j int) {
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defer wg.Done()
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fn(j)
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}(i)
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}
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wg.Wait()
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if err := ctx.Err(); errors.Is(err, context.DeadlineExceeded) {
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t.Fatal("encountered timeout")
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}
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}
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func waitForAndValidateBlockWithTx(
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bctx context.Context,
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t *testing.T,
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n int,
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activeVals map[string]struct{},
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blocksSubs []eventbus.Subscription,
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states []*State,
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txs ...[]byte,
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) {
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t.Helper()
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ctx, cancel := context.WithCancel(bctx)
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defer cancel()
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fn := func(j int) {
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ntxs := 0
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for {
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msg, err := blocksSubs[j].Next(ctx)
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switch {
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case errors.Is(err, context.DeadlineExceeded):
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return
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case errors.Is(err, context.Canceled):
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return
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case err != nil:
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cancel() // terminate other workers
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t.Fatalf("problem waiting for %d subscription: %v", j, err)
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return
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}
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newBlock := msg.Data().(types.EventDataNewBlock).Block
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require.NoError(t, validateBlock(newBlock, activeVals))
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// check that txs match the txs we're waiting for.
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// note they could be spread over multiple blocks,
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// but they should be in order.
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for _, tx := range newBlock.Data.Txs {
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require.EqualValues(t, txs[ntxs], tx)
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ntxs++
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}
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if ntxs == len(txs) {
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break
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}
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}
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}
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var wg sync.WaitGroup
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for i := 0; i < n; i++ {
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wg.Add(1)
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go func(j int) {
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defer wg.Done()
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fn(j)
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}(i)
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}
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wg.Wait()
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if err := ctx.Err(); errors.Is(err, context.DeadlineExceeded) {
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t.Fatal("encountered timeout")
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}
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}
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func waitForBlockWithUpdatedValsAndValidateIt(
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bctx context.Context,
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t *testing.T,
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n int,
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updatedVals map[string]struct{},
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blocksSubs []eventbus.Subscription,
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css []*State,
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) {
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t.Helper()
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ctx, cancel := context.WithCancel(bctx)
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defer cancel()
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fn := func(j int) {
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var newBlock *types.Block
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for {
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msg, err := blocksSubs[j].Next(ctx)
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switch {
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case errors.Is(err, context.DeadlineExceeded):
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return
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case errors.Is(err, context.Canceled):
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return
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case err != nil:
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cancel() // terminate other workers
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t.Fatalf("problem waiting for %d subscription: %v", j, err)
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return
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}
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newBlock = msg.Data().(types.EventDataNewBlock).Block
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if newBlock.LastCommit.Size() == len(updatedVals) {
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break
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}
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}
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require.NoError(t, validateBlock(newBlock, updatedVals))
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}
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var wg sync.WaitGroup
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for i := 0; i < n; i++ {
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wg.Add(1)
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go func(j int) {
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defer wg.Done()
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fn(j)
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}(i)
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}
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wg.Wait()
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if err := ctx.Err(); errors.Is(err, context.DeadlineExceeded) {
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t.Fatal("encountered timeout")
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}
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}
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func ensureBlockSyncStatus(t *testing.T, msg tmpubsub.Message, complete bool, height int64) {
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t.Helper()
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status, ok := msg.Data().(types.EventDataBlockSyncStatus)
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require.True(t, ok)
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require.Equal(t, complete, status.Complete)
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require.Equal(t, height, status.Height)
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}
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func TestReactorBasic(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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cfg := configSetup(t)
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n := 2
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states, cleanup := makeConsensusState(ctx, t,
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cfg, n, "consensus_reactor_test",
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newMockTickerFunc(true))
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t.Cleanup(cleanup)
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rts := setup(ctx, t, n, states, 100) // buffer must be large enough to not deadlock
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for _, reactor := range rts.reactors {
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state := reactor.state.GetState()
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reactor.SwitchToConsensus(ctx, state, false)
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}
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var wg sync.WaitGroup
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errCh := make(chan error, len(rts.subs))
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for _, sub := range rts.subs {
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wg.Add(1)
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// wait till everyone makes the first new block
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go func(s eventbus.Subscription) {
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defer wg.Done()
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_, err := s.Next(ctx)
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switch {
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case errors.Is(err, context.DeadlineExceeded):
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return
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case errors.Is(err, context.Canceled):
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return
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case err != nil:
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errCh <- err
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cancel() // terminate other workers
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return
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}
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}(sub)
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}
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wg.Wait()
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if err := ctx.Err(); errors.Is(err, context.DeadlineExceeded) {
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t.Fatal("encountered timeout")
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}
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select {
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case err := <-errCh:
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if err != nil {
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t.Fatal(err)
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}
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default:
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}
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errCh = make(chan error, len(rts.blocksyncSubs))
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for _, sub := range rts.blocksyncSubs {
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wg.Add(1)
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// wait till everyone makes the consensus switch
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go func(s eventbus.Subscription) {
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defer wg.Done()
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msg, err := s.Next(ctx)
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switch {
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case errors.Is(err, context.DeadlineExceeded):
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return
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case errors.Is(err, context.Canceled):
|
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return
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case err != nil:
|
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errCh <- err
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cancel() // terminate other workers
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return
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}
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ensureBlockSyncStatus(t, msg, true, 0)
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}(sub)
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}
|
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|
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wg.Wait()
|
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if err := ctx.Err(); errors.Is(err, context.DeadlineExceeded) {
|
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t.Fatal("encountered timeout")
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}
|
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select {
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case err := <-errCh:
|
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if err != nil {
|
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t.Fatal(err)
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}
|
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default:
|
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}
|
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}
|
|
|
|
func TestReactorWithEvidence(t *testing.T) {
|
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
|
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defer cancel()
|
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|
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cfg := configSetup(t)
|
|
|
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n := 2
|
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testName := "consensus_reactor_test"
|
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tickerFunc := newMockTickerFunc(true)
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|
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valSet, privVals := factory.ValidatorSet(ctx, t, n, 30)
|
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genDoc := factory.GenesisDoc(cfg, time.Now(), valSet.Validators, factory.ConsensusParams())
|
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states := make([]*State, n)
|
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logger := consensusLogger()
|
|
|
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for i := 0; i < n; i++ {
|
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stateDB := dbm.NewMemDB() // each state needs its own db
|
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stateStore := sm.NewStore(stateDB)
|
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state, err := sm.MakeGenesisState(genDoc)
|
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require.NoError(t, err)
|
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require.NoError(t, stateStore.Save(state))
|
|
thisConfig, err := ResetConfig(t.TempDir(), fmt.Sprintf("%s_%d", testName, i))
|
|
require.NoError(t, err)
|
|
|
|
defer os.RemoveAll(thisConfig.RootDir)
|
|
|
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app := kvstore.NewApplication()
|
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vals := types.TM2PB.ValidatorUpdates(state.Validators)
|
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app.InitChain(abci.RequestInitChain{Validators: vals})
|
|
|
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pv := privVals[i]
|
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blockDB := dbm.NewMemDB()
|
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blockStore := store.NewBlockStore(blockDB)
|
|
|
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// one for mempool, one for consensus
|
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proxyAppConnMem := abciclient.NewLocalClient(logger, app)
|
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proxyAppConnCon := abciclient.NewLocalClient(logger, app)
|
|
|
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mempool := mempool.NewTxMempool(
|
|
log.NewNopLogger().With("module", "mempool"),
|
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thisConfig.Mempool,
|
|
proxyAppConnMem,
|
|
)
|
|
|
|
if thisConfig.Consensus.WaitForTxs() {
|
|
mempool.EnableTxsAvailable()
|
|
}
|
|
|
|
// mock the evidence pool
|
|
// everyone includes evidence of another double signing
|
|
vIdx := (i + 1) % n
|
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|
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ev, err := types.NewMockDuplicateVoteEvidenceWithValidator(ctx, 1, defaultTestTime, privVals[vIdx], cfg.ChainID())
|
|
require.NoError(t, err)
|
|
evpool := &statemocks.EvidencePool{}
|
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evpool.On("CheckEvidence", ctx, mock.AnythingOfType("types.EvidenceList")).Return(nil)
|
|
evpool.On("PendingEvidence", mock.AnythingOfType("int64")).Return([]types.Evidence{
|
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ev}, int64(len(ev.Bytes())))
|
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evpool.On("Update", ctx, mock.AnythingOfType("state.State"), mock.AnythingOfType("types.EvidenceList")).Return()
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|
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evpool2 := sm.EmptyEvidencePool{}
|
|
|
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eventBus := eventbus.NewDefault(log.NewNopLogger().With("module", "events"))
|
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require.NoError(t, eventBus.Start(ctx))
|
|
|
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blockExec := sm.NewBlockExecutor(stateStore, log.NewNopLogger(), proxyAppConnCon, mempool, evpool, blockStore, eventBus)
|
|
|
|
cs, err := NewState(ctx, logger.With("validator", i, "module", "consensus"),
|
|
thisConfig.Consensus, stateStore, blockExec, blockStore, mempool, evpool2, eventBus)
|
|
require.NoError(t, err)
|
|
cs.SetPrivValidator(ctx, pv)
|
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|
|
cs.SetTimeoutTicker(tickerFunc())
|
|
|
|
states[i] = cs
|
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}
|
|
|
|
rts := setup(ctx, t, n, states, 100) // buffer must be large enough to not deadlock
|
|
|
|
for _, reactor := range rts.reactors {
|
|
state := reactor.state.GetState()
|
|
reactor.SwitchToConsensus(ctx, state, false)
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
for _, sub := range rts.subs {
|
|
wg.Add(1)
|
|
|
|
// We expect for each validator that is the proposer to propose one piece of
|
|
// evidence.
|
|
go func(s eventbus.Subscription) {
|
|
defer wg.Done()
|
|
msg, err := s.Next(ctx)
|
|
if !assert.NoError(t, err) {
|
|
cancel()
|
|
return
|
|
}
|
|
|
|
block := msg.Data().(types.EventDataNewBlock).Block
|
|
require.Len(t, block.Evidence, 1)
|
|
}(sub)
|
|
}
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
func TestReactorCreatesBlockWhenEmptyBlocksFalse(t *testing.T) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
|
|
defer cancel()
|
|
|
|
cfg := configSetup(t)
|
|
|
|
n := 2
|
|
states, cleanup := makeConsensusState(ctx,
|
|
t,
|
|
cfg,
|
|
n,
|
|
"consensus_reactor_test",
|
|
newMockTickerFunc(true),
|
|
func(c *config.Config) {
|
|
c.Consensus.CreateEmptyBlocks = false
|
|
},
|
|
)
|
|
t.Cleanup(cleanup)
|
|
|
|
rts := setup(ctx, t, n, states, 100) // buffer must be large enough to not deadlock
|
|
|
|
for _, reactor := range rts.reactors {
|
|
state := reactor.state.GetState()
|
|
reactor.SwitchToConsensus(ctx, state, false)
|
|
}
|
|
|
|
// send a tx
|
|
require.NoError(
|
|
t,
|
|
assertMempool(t, states[1].txNotifier).CheckTx(
|
|
ctx,
|
|
[]byte{1, 2, 3},
|
|
nil,
|
|
mempool.TxInfo{},
|
|
),
|
|
)
|
|
|
|
var wg sync.WaitGroup
|
|
for _, sub := range rts.subs {
|
|
wg.Add(1)
|
|
|
|
// wait till everyone makes the first new block
|
|
go func(s eventbus.Subscription) {
|
|
defer wg.Done()
|
|
_, err := s.Next(ctx)
|
|
if !assert.NoError(t, err) {
|
|
cancel()
|
|
}
|
|
}(sub)
|
|
}
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
func TestReactorRecordsVotesAndBlockParts(t *testing.T) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
|
|
defer cancel()
|
|
|
|
cfg := configSetup(t)
|
|
|
|
n := 2
|
|
states, cleanup := makeConsensusState(ctx, t,
|
|
cfg, n, "consensus_reactor_test",
|
|
newMockTickerFunc(true))
|
|
t.Cleanup(cleanup)
|
|
|
|
rts := setup(ctx, t, n, states, 100) // buffer must be large enough to not deadlock
|
|
|
|
for _, reactor := range rts.reactors {
|
|
state := reactor.state.GetState()
|
|
reactor.SwitchToConsensus(ctx, state, false)
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
for _, sub := range rts.subs {
|
|
wg.Add(1)
|
|
|
|
// wait till everyone makes the first new block
|
|
go func(s eventbus.Subscription) {
|
|
defer wg.Done()
|
|
_, err := s.Next(ctx)
|
|
if !assert.NoError(t, err) {
|
|
cancel()
|
|
}
|
|
}(sub)
|
|
}
|
|
|
|
wg.Wait()
|
|
|
|
// Require at least one node to have sent block parts, but we can't know which
|
|
// peer sent it.
|
|
require.Eventually(
|
|
t,
|
|
func() bool {
|
|
for _, reactor := range rts.reactors {
|
|
for _, ps := range reactor.peers {
|
|
if ps.BlockPartsSent() > 0 {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
|
|
return false
|
|
},
|
|
time.Second,
|
|
10*time.Millisecond,
|
|
"number of block parts sent should've increased",
|
|
)
|
|
|
|
nodeID := rts.network.RandomNode().NodeID
|
|
reactor := rts.reactors[nodeID]
|
|
peers := rts.network.Peers(nodeID)
|
|
|
|
ps, ok := reactor.GetPeerState(peers[0].NodeID)
|
|
require.True(t, ok)
|
|
require.NotNil(t, ps)
|
|
require.Greater(t, ps.VotesSent(), 0, "number of votes sent should've increased")
|
|
}
|
|
|
|
func TestReactorVotingPowerChange(t *testing.T) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
|
|
defer cancel()
|
|
|
|
cfg := configSetup(t)
|
|
|
|
n := 2
|
|
states, cleanup := makeConsensusState(ctx,
|
|
t,
|
|
cfg,
|
|
n,
|
|
"consensus_voting_power_changes_test",
|
|
newMockTickerFunc(true),
|
|
)
|
|
|
|
t.Cleanup(cleanup)
|
|
|
|
rts := setup(ctx, t, n, states, 100) // buffer must be large enough to not deadlock
|
|
|
|
for _, reactor := range rts.reactors {
|
|
state := reactor.state.GetState()
|
|
reactor.SwitchToConsensus(ctx, state, false)
|
|
}
|
|
|
|
// map of active validators
|
|
activeVals := make(map[string]struct{})
|
|
for i := 0; i < n; i++ {
|
|
pubKey, err := states[i].privValidator.GetPubKey(ctx)
|
|
require.NoError(t, err)
|
|
|
|
addr := pubKey.Address()
|
|
activeVals[string(addr)] = struct{}{}
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
for _, sub := range rts.subs {
|
|
wg.Add(1)
|
|
|
|
// wait till everyone makes the first new block
|
|
go func(s eventbus.Subscription) {
|
|
defer wg.Done()
|
|
_, err := s.Next(ctx)
|
|
if !assert.NoError(t, err) {
|
|
cancel()
|
|
}
|
|
}(sub)
|
|
}
|
|
|
|
wg.Wait()
|
|
|
|
blocksSubs := []eventbus.Subscription{}
|
|
for _, sub := range rts.subs {
|
|
blocksSubs = append(blocksSubs, sub)
|
|
}
|
|
|
|
val1PubKey, err := states[0].privValidator.GetPubKey(ctx)
|
|
require.NoError(t, err)
|
|
|
|
val1PubKeyABCI, err := encoding.PubKeyToProto(val1PubKey)
|
|
require.NoError(t, err)
|
|
|
|
updateValidatorTx := kvstore.MakeValSetChangeTx(val1PubKeyABCI, 25)
|
|
previousTotalVotingPower := states[0].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states, updateValidatorTx)
|
|
waitForAndValidateBlockWithTx(ctx, t, n, activeVals, blocksSubs, states, updateValidatorTx)
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states)
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states)
|
|
|
|
require.NotEqualf(
|
|
t, previousTotalVotingPower, states[0].GetRoundState().LastValidators.TotalVotingPower(),
|
|
"expected voting power to change (before: %d, after: %d)",
|
|
previousTotalVotingPower,
|
|
states[0].GetRoundState().LastValidators.TotalVotingPower(),
|
|
)
|
|
|
|
updateValidatorTx = kvstore.MakeValSetChangeTx(val1PubKeyABCI, 2)
|
|
previousTotalVotingPower = states[0].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states, updateValidatorTx)
|
|
waitForAndValidateBlockWithTx(ctx, t, n, activeVals, blocksSubs, states, updateValidatorTx)
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states)
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states)
|
|
|
|
require.NotEqualf(
|
|
t, states[0].GetRoundState().LastValidators.TotalVotingPower(), previousTotalVotingPower,
|
|
"expected voting power to change (before: %d, after: %d)",
|
|
previousTotalVotingPower, states[0].GetRoundState().LastValidators.TotalVotingPower(),
|
|
)
|
|
|
|
updateValidatorTx = kvstore.MakeValSetChangeTx(val1PubKeyABCI, 26)
|
|
previousTotalVotingPower = states[0].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states, updateValidatorTx)
|
|
waitForAndValidateBlockWithTx(ctx, t, n, activeVals, blocksSubs, states, updateValidatorTx)
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states)
|
|
waitForAndValidateBlock(ctx, t, n, activeVals, blocksSubs, states)
|
|
|
|
require.NotEqualf(
|
|
t, previousTotalVotingPower, states[0].GetRoundState().LastValidators.TotalVotingPower(),
|
|
"expected voting power to change (before: %d, after: %d)",
|
|
previousTotalVotingPower,
|
|
states[0].GetRoundState().LastValidators.TotalVotingPower(),
|
|
)
|
|
}
|
|
|
|
func TestReactorValidatorSetChanges(t *testing.T) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
|
|
defer cancel()
|
|
|
|
cfg := configSetup(t)
|
|
|
|
nPeers := 7
|
|
nVals := 4
|
|
states, _, _, cleanup := randConsensusNetWithPeers(
|
|
ctx,
|
|
t,
|
|
cfg,
|
|
nVals,
|
|
nPeers,
|
|
"consensus_val_set_changes_test",
|
|
newMockTickerFunc(true),
|
|
newEpehemeralKVStore,
|
|
)
|
|
t.Cleanup(cleanup)
|
|
|
|
rts := setup(ctx, t, nPeers, states, 100) // buffer must be large enough to not deadlock
|
|
|
|
for _, reactor := range rts.reactors {
|
|
state := reactor.state.GetState()
|
|
reactor.SwitchToConsensus(ctx, state, false)
|
|
}
|
|
|
|
// map of active validators
|
|
activeVals := make(map[string]struct{})
|
|
for i := 0; i < nVals; i++ {
|
|
pubKey, err := states[i].privValidator.GetPubKey(ctx)
|
|
require.NoError(t, err)
|
|
|
|
activeVals[string(pubKey.Address())] = struct{}{}
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
for _, sub := range rts.subs {
|
|
wg.Add(1)
|
|
|
|
// wait till everyone makes the first new block
|
|
go func(s eventbus.Subscription) {
|
|
defer wg.Done()
|
|
_, err := s.Next(ctx)
|
|
switch {
|
|
case err == nil:
|
|
case errors.Is(err, context.DeadlineExceeded):
|
|
default:
|
|
t.Log(err)
|
|
cancel()
|
|
}
|
|
}(sub)
|
|
}
|
|
|
|
wg.Wait()
|
|
|
|
// after the wait returns, either there was an error with a
|
|
// subscription (very unlikely, and causes the context to be
|
|
// canceled manually), there was a timeout and the test's root context
|
|
// was canceled (somewhat likely,) or the test can proceed
|
|
// (common.)
|
|
if err := ctx.Err(); errors.Is(err, context.DeadlineExceeded) {
|
|
t.Fatal("encountered timeout")
|
|
} else if errors.Is(err, context.Canceled) {
|
|
t.Fatal("subscription encountered unexpected error")
|
|
}
|
|
|
|
newValidatorPubKey1, err := states[nVals].privValidator.GetPubKey(ctx)
|
|
require.NoError(t, err)
|
|
|
|
valPubKey1ABCI, err := encoding.PubKeyToProto(newValidatorPubKey1)
|
|
require.NoError(t, err)
|
|
|
|
newValidatorTx1 := kvstore.MakeValSetChangeTx(valPubKey1ABCI, testMinPower)
|
|
|
|
blocksSubs := []eventbus.Subscription{}
|
|
for _, sub := range rts.subs {
|
|
blocksSubs = append(blocksSubs, sub)
|
|
}
|
|
|
|
// wait till everyone makes block 2
|
|
// ensure the commit includes all validators
|
|
// send newValTx to change vals in block 3
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states, newValidatorTx1)
|
|
|
|
// wait till everyone makes block 3.
|
|
// it includes the commit for block 2, which is by the original validator set
|
|
waitForAndValidateBlockWithTx(ctx, t, nPeers, activeVals, blocksSubs, states, newValidatorTx1)
|
|
|
|
// wait till everyone makes block 4.
|
|
// it includes the commit for block 3, which is by the original validator set
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
|
|
// the commits for block 4 should be with the updated validator set
|
|
activeVals[string(newValidatorPubKey1.Address())] = struct{}{}
|
|
|
|
// wait till everyone makes block 5
|
|
// it includes the commit for block 4, which should have the updated validator set
|
|
waitForBlockWithUpdatedValsAndValidateIt(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
|
|
updateValidatorPubKey1, err := states[nVals].privValidator.GetPubKey(ctx)
|
|
require.NoError(t, err)
|
|
|
|
updatePubKey1ABCI, err := encoding.PubKeyToProto(updateValidatorPubKey1)
|
|
require.NoError(t, err)
|
|
|
|
updateValidatorTx1 := kvstore.MakeValSetChangeTx(updatePubKey1ABCI, 25)
|
|
previousTotalVotingPower := states[nVals].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states, updateValidatorTx1)
|
|
waitForAndValidateBlockWithTx(ctx, t, nPeers, activeVals, blocksSubs, states, updateValidatorTx1)
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
waitForBlockWithUpdatedValsAndValidateIt(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
|
|
require.NotEqualf(
|
|
t, states[nVals].GetRoundState().LastValidators.TotalVotingPower(), previousTotalVotingPower,
|
|
"expected voting power to change (before: %d, after: %d)",
|
|
previousTotalVotingPower, states[nVals].GetRoundState().LastValidators.TotalVotingPower(),
|
|
)
|
|
|
|
newValidatorPubKey2, err := states[nVals+1].privValidator.GetPubKey(ctx)
|
|
require.NoError(t, err)
|
|
|
|
newVal2ABCI, err := encoding.PubKeyToProto(newValidatorPubKey2)
|
|
require.NoError(t, err)
|
|
|
|
newValidatorTx2 := kvstore.MakeValSetChangeTx(newVal2ABCI, testMinPower)
|
|
|
|
newValidatorPubKey3, err := states[nVals+2].privValidator.GetPubKey(ctx)
|
|
require.NoError(t, err)
|
|
|
|
newVal3ABCI, err := encoding.PubKeyToProto(newValidatorPubKey3)
|
|
require.NoError(t, err)
|
|
|
|
newValidatorTx3 := kvstore.MakeValSetChangeTx(newVal3ABCI, testMinPower)
|
|
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states, newValidatorTx2, newValidatorTx3)
|
|
waitForAndValidateBlockWithTx(ctx, t, nPeers, activeVals, blocksSubs, states, newValidatorTx2, newValidatorTx3)
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
|
|
activeVals[string(newValidatorPubKey2.Address())] = struct{}{}
|
|
activeVals[string(newValidatorPubKey3.Address())] = struct{}{}
|
|
|
|
waitForBlockWithUpdatedValsAndValidateIt(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
|
|
removeValidatorTx2 := kvstore.MakeValSetChangeTx(newVal2ABCI, 0)
|
|
removeValidatorTx3 := kvstore.MakeValSetChangeTx(newVal3ABCI, 0)
|
|
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states, removeValidatorTx2, removeValidatorTx3)
|
|
waitForAndValidateBlockWithTx(ctx, t, nPeers, activeVals, blocksSubs, states, removeValidatorTx2, removeValidatorTx3)
|
|
waitForAndValidateBlock(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
|
|
delete(activeVals, string(newValidatorPubKey2.Address()))
|
|
delete(activeVals, string(newValidatorPubKey3.Address()))
|
|
|
|
waitForBlockWithUpdatedValsAndValidateIt(ctx, t, nPeers, activeVals, blocksSubs, states)
|
|
}
|