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415 lines
12 KiB
415 lines
12 KiB
package blocksync
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import (
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"context"
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"os"
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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/mock"
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"github.com/stretchr/testify/require"
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dbm "github.com/tendermint/tm-db"
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abciclient "github.com/tendermint/tendermint/abci/client"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/internal/consensus"
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"github.com/tendermint/tendermint/internal/eventbus"
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mpmocks "github.com/tendermint/tendermint/internal/mempool/mocks"
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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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"github.com/tendermint/tendermint/internal/proxy"
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sm "github.com/tendermint/tendermint/internal/state"
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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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bcproto "github.com/tendermint/tendermint/proto/tendermint/blocksync"
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"github.com/tendermint/tendermint/types"
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)
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type reactorTestSuite struct {
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network *p2ptest.Network
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logger log.Logger
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nodes []types.NodeID
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reactors map[types.NodeID]*Reactor
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app map[types.NodeID]abciclient.Client
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blockSyncChannels map[types.NodeID]*p2p.Channel
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peerChans map[types.NodeID]chan p2p.PeerUpdate
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peerUpdates map[types.NodeID]*p2p.PeerUpdates
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blockSync bool
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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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genDoc *types.GenesisDoc,
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privVal types.PrivValidator,
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maxBlockHeights []int64,
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chBuf uint,
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) *reactorTestSuite {
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t.Helper()
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var cancel context.CancelFunc
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ctx, cancel = context.WithCancel(ctx)
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numNodes := len(maxBlockHeights)
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require.True(t, numNodes >= 1,
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"must specify at least one block height (nodes)")
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rts := &reactorTestSuite{
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logger: log.NewNopLogger().With("module", "block_sync", "testCase", t.Name()),
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network: p2ptest.MakeNetwork(ctx, t, p2ptest.NetworkOptions{NumNodes: numNodes}),
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nodes: make([]types.NodeID, 0, numNodes),
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reactors: make(map[types.NodeID]*Reactor, numNodes),
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app: make(map[types.NodeID]abciclient.Client, numNodes),
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blockSyncChannels: make(map[types.NodeID]*p2p.Channel, numNodes),
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peerChans: make(map[types.NodeID]chan p2p.PeerUpdate, numNodes),
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peerUpdates: make(map[types.NodeID]*p2p.PeerUpdates, numNodes),
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blockSync: true,
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}
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chDesc := &p2p.ChannelDescriptor{ID: BlockSyncChannel, MessageType: new(bcproto.Message)}
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rts.blockSyncChannels = rts.network.MakeChannelsNoCleanup(ctx, t, chDesc)
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i := 0
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for nodeID := range rts.network.Nodes {
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rts.addNode(ctx, t, nodeID, genDoc, privVal, maxBlockHeights[i])
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i++
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}
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t.Cleanup(func() {
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cancel()
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for _, nodeID := range rts.nodes {
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if rts.reactors[nodeID].IsRunning() {
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rts.reactors[nodeID].Wait()
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rts.app[nodeID].Wait()
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require.False(t, rts.reactors[nodeID].IsRunning())
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}
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}
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})
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t.Cleanup(leaktest.Check(t))
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return rts
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}
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func (rts *reactorTestSuite) addNode(
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ctx context.Context,
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t *testing.T,
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nodeID types.NodeID,
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genDoc *types.GenesisDoc,
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privVal types.PrivValidator,
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maxBlockHeight int64,
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) {
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t.Helper()
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logger := log.NewNopLogger()
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rts.nodes = append(rts.nodes, nodeID)
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rts.app[nodeID] = proxy.New(abciclient.NewLocalClient(logger, &abci.BaseApplication{}), logger, proxy.NopMetrics())
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require.NoError(t, rts.app[nodeID].Start(ctx))
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blockDB := dbm.NewMemDB()
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stateDB := dbm.NewMemDB()
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stateStore := sm.NewStore(stateDB)
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blockStore := store.NewBlockStore(blockDB)
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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))
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mp := &mpmocks.Mempool{}
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mp.On("Lock").Return()
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mp.On("Unlock").Return()
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mp.On("FlushAppConn", mock.Anything).Return(nil)
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mp.On("Update",
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mock.Anything,
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mock.Anything,
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mock.Anything,
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mock.Anything,
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mock.Anything,
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mock.Anything).Return(nil)
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eventbus := eventbus.NewDefault(logger)
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require.NoError(t, eventbus.Start(ctx))
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blockExec := sm.NewBlockExecutor(
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stateStore,
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log.NewNopLogger(),
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rts.app[nodeID],
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mp,
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sm.EmptyEvidencePool{},
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blockStore,
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eventbus,
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)
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for blockHeight := int64(1); blockHeight <= maxBlockHeight; blockHeight++ {
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lastCommit := types.NewCommit(blockHeight-1, 0, types.BlockID{}, nil)
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if blockHeight > 1 {
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lastBlockMeta := blockStore.LoadBlockMeta(blockHeight - 1)
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lastBlock := blockStore.LoadBlock(blockHeight - 1)
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vote, err := factory.MakeVote(
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ctx,
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privVal,
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lastBlock.Header.ChainID, 0,
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lastBlock.Header.Height, 0, 2,
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lastBlockMeta.BlockID,
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time.Now(),
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)
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require.NoError(t, err)
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lastCommit = types.NewCommit(
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vote.Height,
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vote.Round,
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lastBlockMeta.BlockID,
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[]types.CommitSig{vote.CommitSig()},
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)
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}
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thisBlock := sf.MakeBlock(state, blockHeight, lastCommit)
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thisParts, err := thisBlock.MakePartSet(types.BlockPartSizeBytes)
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require.NoError(t, err)
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blockID := types.BlockID{Hash: thisBlock.Hash(), PartSetHeader: thisParts.Header()}
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state, err = blockExec.ApplyBlock(ctx, state, blockID, thisBlock)
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require.NoError(t, err)
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blockStore.SaveBlock(thisBlock, thisParts, lastCommit)
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}
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rts.peerChans[nodeID] = make(chan p2p.PeerUpdate)
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rts.peerUpdates[nodeID] = p2p.NewPeerUpdates(rts.peerChans[nodeID], 1)
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rts.network.Nodes[nodeID].PeerManager.Register(ctx, rts.peerUpdates[nodeID])
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chCreator := func(ctx context.Context, chdesc *p2p.ChannelDescriptor) (*p2p.Channel, error) {
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return rts.blockSyncChannels[nodeID], nil
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}
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rts.reactors[nodeID], err = NewReactor(
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ctx,
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rts.logger.With("nodeID", nodeID),
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stateStore,
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blockExec,
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blockStore,
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nil,
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chCreator,
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rts.peerUpdates[nodeID],
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rts.blockSync,
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consensus.NopMetrics(),
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nil, // eventbus, can be nil
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)
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require.NoError(t, err)
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require.NoError(t, rts.reactors[nodeID].Start(ctx))
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require.True(t, rts.reactors[nodeID].IsRunning())
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}
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func (rts *reactorTestSuite) start(ctx context.Context, t *testing.T) {
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t.Helper()
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rts.network.Start(ctx, t)
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require.Len(t,
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rts.network.RandomNode().PeerManager.Peers(),
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len(rts.nodes)-1,
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"network does not have expected number of nodes")
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}
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func TestReactor_AbruptDisconnect(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cfg, err := config.ResetTestRoot(t.TempDir(), "block_sync_reactor_test")
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require.NoError(t, err)
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defer os.RemoveAll(cfg.RootDir)
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valSet, privVals := factory.ValidatorSet(ctx, t, 1, 30)
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genDoc := factory.GenesisDoc(cfg, time.Now(), valSet.Validators, nil)
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maxBlockHeight := int64(64)
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rts := setup(ctx, t, genDoc, privVals[0], []int64{maxBlockHeight, 0}, 0)
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require.Equal(t, maxBlockHeight, rts.reactors[rts.nodes[0]].store.Height())
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rts.start(ctx, t)
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secondaryPool := rts.reactors[rts.nodes[1]].pool
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require.Eventually(
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t,
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func() bool {
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height, _, _ := secondaryPool.GetStatus()
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return secondaryPool.MaxPeerHeight() > 0 && height > 0 && height < 10
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},
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10*time.Second,
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10*time.Millisecond,
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"expected node to be partially synced",
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)
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// Remove synced node from the syncing node which should not result in any
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// deadlocks or race conditions within the context of poolRoutine.
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rts.peerChans[rts.nodes[1]] <- p2p.PeerUpdate{
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Status: p2p.PeerStatusDown,
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NodeID: rts.nodes[0],
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}
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rts.network.Nodes[rts.nodes[1]].PeerManager.Disconnected(ctx, rts.nodes[0])
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}
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func TestReactor_SyncTime(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cfg, err := config.ResetTestRoot(t.TempDir(), "block_sync_reactor_test")
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require.NoError(t, err)
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defer os.RemoveAll(cfg.RootDir)
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valSet, privVals := factory.ValidatorSet(ctx, t, 1, 30)
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genDoc := factory.GenesisDoc(cfg, time.Now(), valSet.Validators, nil)
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maxBlockHeight := int64(101)
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rts := setup(ctx, t, genDoc, privVals[0], []int64{maxBlockHeight, 0}, 0)
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require.Equal(t, maxBlockHeight, rts.reactors[rts.nodes[0]].store.Height())
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rts.start(ctx, t)
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require.Eventually(
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t,
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func() bool {
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return rts.reactors[rts.nodes[1]].GetRemainingSyncTime() > time.Nanosecond &&
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rts.reactors[rts.nodes[1]].pool.getLastSyncRate() > 0.001
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},
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10*time.Second,
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10*time.Millisecond,
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"expected node to be partially synced",
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)
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}
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func TestReactor_NoBlockResponse(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cfg, err := config.ResetTestRoot(t.TempDir(), "block_sync_reactor_test")
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require.NoError(t, err)
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defer os.RemoveAll(cfg.RootDir)
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valSet, privVals := factory.ValidatorSet(ctx, t, 1, 30)
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genDoc := factory.GenesisDoc(cfg, time.Now(), valSet.Validators, nil)
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maxBlockHeight := int64(65)
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rts := setup(ctx, t, genDoc, privVals[0], []int64{maxBlockHeight, 0}, 0)
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require.Equal(t, maxBlockHeight, rts.reactors[rts.nodes[0]].store.Height())
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rts.start(ctx, t)
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testCases := []struct {
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height int64
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existent bool
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}{
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{maxBlockHeight + 2, false},
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{10, true},
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{1, true},
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{100, false},
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}
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secondaryPool := rts.reactors[rts.nodes[1]].pool
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require.Eventually(
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t,
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func() bool { return secondaryPool.MaxPeerHeight() > 0 && secondaryPool.IsCaughtUp() },
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10*time.Second,
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10*time.Millisecond,
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"expected node to be fully synced",
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)
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for _, tc := range testCases {
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block := rts.reactors[rts.nodes[1]].store.LoadBlock(tc.height)
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if tc.existent {
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require.True(t, block != nil)
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} else {
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require.Nil(t, block)
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}
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}
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}
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func TestReactor_BadBlockStopsPeer(t *testing.T) {
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// Ultimately, this should be refactored to be less integration test oriented
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// and more unit test oriented by simply testing channel sends and receives.
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// See: https://github.com/tendermint/tendermint/issues/6005
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t.SkipNow()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cfg, err := config.ResetTestRoot(t.TempDir(), "block_sync_reactor_test")
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require.NoError(t, err)
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defer os.RemoveAll(cfg.RootDir)
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maxBlockHeight := int64(48)
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valSet, privVals := factory.ValidatorSet(ctx, t, 1, 30)
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genDoc := factory.GenesisDoc(cfg, time.Now(), valSet.Validators, nil)
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rts := setup(ctx, t, genDoc, privVals[0], []int64{maxBlockHeight, 0, 0, 0, 0}, 1000)
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require.Equal(t, maxBlockHeight, rts.reactors[rts.nodes[0]].store.Height())
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rts.start(ctx, t)
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require.Eventually(
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t,
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func() bool {
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caughtUp := true
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for _, id := range rts.nodes[1 : len(rts.nodes)-1] {
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if rts.reactors[id].pool.MaxPeerHeight() == 0 || !rts.reactors[id].pool.IsCaughtUp() {
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caughtUp = false
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}
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}
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return caughtUp
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},
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10*time.Minute,
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10*time.Millisecond,
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"expected all nodes to be fully synced",
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)
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for _, id := range rts.nodes[:len(rts.nodes)-1] {
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require.Len(t, rts.reactors[id].pool.peers, 3)
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}
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// Mark testSuites[3] as an invalid peer which will cause newSuite to disconnect
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// from this peer.
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//
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// XXX: This causes a potential race condition.
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// See: https://github.com/tendermint/tendermint/issues/6005
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valSet, otherPrivVals := factory.ValidatorSet(ctx, t, 1, 30)
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otherGenDoc := factory.GenesisDoc(cfg, time.Now(), valSet.Validators, nil)
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newNode := rts.network.MakeNode(ctx, t, p2ptest.NodeOptions{
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MaxPeers: uint16(len(rts.nodes) + 1),
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MaxConnected: uint16(len(rts.nodes) + 1),
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})
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rts.addNode(ctx, t, newNode.NodeID, otherGenDoc, otherPrivVals[0], maxBlockHeight)
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// add a fake peer just so we do not wait for the consensus ticker to timeout
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rts.reactors[newNode.NodeID].pool.SetPeerRange("00ff", 10, 10)
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// wait for the new peer to catch up and become fully synced
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require.Eventually(
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t,
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func() bool {
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return rts.reactors[newNode.NodeID].pool.MaxPeerHeight() > 0 && rts.reactors[newNode.NodeID].pool.IsCaughtUp()
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},
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10*time.Minute,
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10*time.Millisecond,
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"expected new node to be fully synced",
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)
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require.Eventuallyf(
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t,
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func() bool { return len(rts.reactors[newNode.NodeID].pool.peers) < len(rts.nodes)-1 },
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10*time.Minute,
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10*time.Millisecond,
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"invalid number of peers; expected < %d, got: %d",
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len(rts.nodes)-1,
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len(rts.reactors[newNode.NodeID].pool.peers),
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)
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}
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