mirror of
https://github.com/nspcc-dev/neo-go.git
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473 lines
18 KiB
Go
473 lines
18 KiB
Go
package statesync_test
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import (
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"testing"
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"github.com/nspcc-dev/neo-go/internal/basicchain"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/mpt"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/neotest"
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"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/util/slice"
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"github.com/stretchr/testify/require"
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)
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func TestStateSyncModule_Init(t *testing.T) {
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const (
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stateSyncInterval = 2
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maxTraceable = 3
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)
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spoutCfg := func(c *config.Blockchain) {
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c.StateRootInHeader = true
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c.P2PStateExchangeExtensions = true
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c.StateSyncInterval = stateSyncInterval
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c.MaxTraceableBlocks = maxTraceable
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}
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bcSpout, validators, committee := chain.NewMultiWithCustomConfig(t, spoutCfg)
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e := neotest.NewExecutor(t, bcSpout, validators, committee)
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for i := 0; i <= 2*stateSyncInterval+int(maxTraceable)+1; i++ {
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e.AddNewBlock(t)
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}
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boltCfg := func(c *config.Blockchain) {
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spoutCfg(c)
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c.Ledger.KeepOnlyLatestState = true
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c.Ledger.RemoveUntraceableBlocks = true
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}
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t.Run("inactive: spout chain is too low to start state sync process", func(t *testing.T) {
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bcBolt, _, _ := chain.NewMultiWithCustomConfig(t, boltCfg)
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module := bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(uint32(2*stateSyncInterval-1)))
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require.False(t, module.IsActive())
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})
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t.Run("inactive: bolt chain height is close enough to spout chain height", func(t *testing.T) {
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bcBolt, _, _ := chain.NewMultiWithCustomConfig(t, boltCfg)
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for i := uint32(1); i < bcSpout.BlockHeight()-stateSyncInterval; i++ {
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b, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(i))
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require.NoError(t, err)
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require.NoError(t, bcBolt.AddBlock(b))
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}
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module := bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.False(t, module.IsActive())
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})
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t.Run("error: bolt chain is too low to start state sync process", func(t *testing.T) {
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bcBolt, validatorsBolt, committeeBolt := chain.NewMultiWithCustomConfig(t, boltCfg)
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eBolt := neotest.NewExecutor(t, bcBolt, validatorsBolt, committeeBolt)
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eBolt.AddNewBlock(t)
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module := bcBolt.GetStateSyncModule()
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require.Error(t, module.Init(uint32(3*stateSyncInterval)))
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})
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t.Run("initialized: no previous state sync point", func(t *testing.T) {
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bcBolt, _, _ := chain.NewMultiWithCustomConfig(t, boltCfg)
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module := bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.True(t, module.NeedHeaders())
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require.False(t, module.NeedMPTNodes())
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})
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t.Run("error: outdated state sync point in the storage", func(t *testing.T) {
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bcBolt, _, _ := chain.NewMultiWithCustomConfig(t, boltCfg)
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module := bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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module = bcBolt.GetStateSyncModule()
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require.Error(t, module.Init(bcSpout.BlockHeight()+2*uint32(stateSyncInterval)))
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})
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t.Run("initialized: valid previous state sync point in the storage", func(t *testing.T) {
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bcBolt, _, _ := chain.NewMultiWithCustomConfig(t, boltCfg)
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module := bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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module = bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.True(t, module.NeedHeaders())
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require.False(t, module.NeedMPTNodes())
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})
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t.Run("initialization from headers/blocks/mpt synced stages", func(t *testing.T) {
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bcBolt, validatorsBolt, committeeBolt := chain.NewMultiWithCustomConfig(t, boltCfg)
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eBolt := neotest.NewExecutor(t, bcBolt, validatorsBolt, committeeBolt)
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module := bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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// firstly, fetch all headers to create proper DB state (where headers are in sync)
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stateSyncPoint := (bcSpout.BlockHeight() / stateSyncInterval) * stateSyncInterval
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var expectedHeader *block.Header
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for i := uint32(1); i <= bcSpout.HeaderHeight(); i++ {
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header, err := bcSpout.GetHeader(bcSpout.GetHeaderHash(i))
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require.NoError(t, err)
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require.NoError(t, module.AddHeaders(header))
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if i == stateSyncPoint+1 {
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expectedHeader = header
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}
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}
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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// then create new statesync module with the same DB and check that state is proper
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// (headers are in sync)
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module = bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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unknownNodes := module.GetUnknownMPTNodesBatch(2)
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require.Equal(t, 1, len(unknownNodes))
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require.Equal(t, expectedHeader.PrevStateRoot, unknownNodes[0])
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// add several blocks to create DB state where blocks are not in sync yet, but it's not a genesis.
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for i := stateSyncPoint - maxTraceable + 1; i <= stateSyncPoint-stateSyncInterval-1; i++ {
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block, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(i))
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require.NoError(t, err)
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require.NoError(t, module.AddBlock(block))
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}
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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require.Equal(t, uint32(stateSyncPoint-stateSyncInterval-1), module.BlockHeight())
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// then create new statesync module with the same DB and check that state is proper
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// (blocks are not in sync yet)
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module = bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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unknownNodes = module.GetUnknownMPTNodesBatch(2)
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require.Equal(t, 1, len(unknownNodes))
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require.Equal(t, expectedHeader.PrevStateRoot, unknownNodes[0])
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require.Equal(t, uint32(stateSyncPoint-stateSyncInterval-1), module.BlockHeight())
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// add rest of blocks to create DB state where blocks are in sync
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for i := stateSyncPoint - stateSyncInterval; i <= stateSyncPoint; i++ {
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block, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(i))
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require.NoError(t, err)
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require.NoError(t, module.AddBlock(block))
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}
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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lastBlock, err := bcBolt.GetBlock(expectedHeader.PrevHash)
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require.NoError(t, err)
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require.Equal(t, uint32(stateSyncPoint), lastBlock.Index)
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require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
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// then create new statesync module with the same DB and check that state is proper
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// (headers and blocks are in sync)
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module = bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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unknownNodes = module.GetUnknownMPTNodesBatch(2)
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require.Equal(t, 1, len(unknownNodes))
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require.Equal(t, expectedHeader.PrevStateRoot, unknownNodes[0])
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require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
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// add a few MPT nodes to create DB state where some of MPT nodes are missing
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count := 5
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for {
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unknownHashes := module.GetUnknownMPTNodesBatch(1) // restore nodes one-by-one
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if len(unknownHashes) == 0 {
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break
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}
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err := bcSpout.GetStateSyncModule().Traverse(unknownHashes[0], func(node mpt.Node, nodeBytes []byte) bool {
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require.NoError(t, module.AddMPTNodes([][]byte{nodeBytes}))
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return true // add nodes one-by-one
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})
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require.NoError(t, err)
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count--
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if count < 0 {
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break
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}
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}
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// then create new statesync module with the same DB and check that state is proper
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// (headers and blocks are in sync, mpt is not yet synced)
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module = bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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unknownNodes = module.GetUnknownMPTNodesBatch(100)
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require.True(t, len(unknownNodes) > 0)
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require.NotContains(t, unknownNodes, expectedHeader.PrevStateRoot)
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require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
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// add the rest of MPT nodes and jump to state
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alreadyRequested := make(map[util.Uint256]struct{})
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for {
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unknownHashes := module.GetUnknownMPTNodesBatch(1) // restore nodes one-by-one
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if len(unknownHashes) == 0 {
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break
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}
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if _, ok := alreadyRequested[unknownHashes[0]]; ok {
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t.Fatal("bug: node was requested twice")
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}
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alreadyRequested[unknownHashes[0]] = struct{}{}
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var callbackCalled bool
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err := bcSpout.GetStateSyncModule().Traverse(unknownHashes[0], func(node mpt.Node, nodeBytes []byte) bool {
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require.NoError(t, module.AddMPTNodes([][]byte{slice.Copy(nodeBytes)}))
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callbackCalled = true
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return true // add nodes one-by-one
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})
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require.NoError(t, err)
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require.True(t, callbackCalled)
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}
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// check that module is inactive and statejump is completed
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require.False(t, module.IsActive())
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require.False(t, module.NeedHeaders())
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require.False(t, module.NeedMPTNodes())
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unknownNodes = module.GetUnknownMPTNodesBatch(1)
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require.True(t, len(unknownNodes) == 0)
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require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
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require.Equal(t, uint32(stateSyncPoint), bcBolt.BlockHeight())
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// create new module from completed state: the module should recognise that state sync is completed
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module = bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.False(t, module.IsActive())
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require.False(t, module.NeedHeaders())
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require.False(t, module.NeedMPTNodes())
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unknownNodes = module.GetUnknownMPTNodesBatch(1)
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require.True(t, len(unknownNodes) == 0)
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require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
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require.Equal(t, uint32(stateSyncPoint), bcBolt.BlockHeight())
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// add one more block to the restored chain and start new module: the module should recognise state sync is completed
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// and regular blocks processing was started
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eBolt.AddNewBlock(t)
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module = bcBolt.GetStateSyncModule()
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.False(t, module.IsActive())
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require.False(t, module.NeedHeaders())
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require.False(t, module.NeedMPTNodes())
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unknownNodes = module.GetUnknownMPTNodesBatch(1)
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require.True(t, len(unknownNodes) == 0)
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require.Equal(t, uint32(stateSyncPoint)+1, module.BlockHeight())
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require.Equal(t, uint32(stateSyncPoint)+1, bcBolt.BlockHeight())
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})
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}
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func TestStateSyncModule_RestoreBasicChain(t *testing.T) {
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check := func(t *testing.T, spoutEnableGC bool) {
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const (
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stateSyncInterval = 4
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maxTraceable = 6
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stateSyncPoint = 24
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)
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spoutCfg := func(c *config.Blockchain) {
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c.Ledger.KeepOnlyLatestState = spoutEnableGC
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c.Ledger.RemoveUntraceableBlocks = spoutEnableGC
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c.StateRootInHeader = true
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c.P2PStateExchangeExtensions = true
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c.StateSyncInterval = stateSyncInterval
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c.MaxTraceableBlocks = maxTraceable
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c.P2PSigExtensions = true // `basicchain.Init` assumes Notary is enabled.
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}
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bcSpoutStore := storage.NewMemoryStore()
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bcSpout, validators, committee := chain.NewMultiWithCustomConfigAndStore(t, spoutCfg, bcSpoutStore, false)
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go bcSpout.Run() // Will close it manually at the end.
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e := neotest.NewExecutor(t, bcSpout, validators, committee)
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basicchain.Init(t, "../../../", e)
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// make spout chain higher than latest state sync point (add several blocks up to stateSyncPoint+2)
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e.AddNewBlock(t)
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e.AddNewBlock(t) // This block is stateSyncPoint-th block.
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e.AddNewBlock(t)
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require.Equal(t, stateSyncPoint+2, int(bcSpout.BlockHeight()))
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boltCfg := func(c *config.Blockchain) {
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spoutCfg(c)
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c.Ledger.KeepOnlyLatestState = true
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c.Ledger.RemoveUntraceableBlocks = true
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}
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bcBoltStore := storage.NewMemoryStore()
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bcBolt, _, _ := chain.NewMultiWithCustomConfigAndStore(t, boltCfg, bcBoltStore, false)
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go bcBolt.Run() // Will close it manually at the end.
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module := bcBolt.GetStateSyncModule()
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t.Run("error: add headers before initialisation", func(t *testing.T) {
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h, err := bcSpout.GetHeader(bcSpout.GetHeaderHash(1))
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require.NoError(t, err)
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require.Error(t, module.AddHeaders(h))
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})
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t.Run("no error: add blocks before initialisation", func(t *testing.T) {
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b, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(bcSpout.BlockHeight()))
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require.NoError(t, err)
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require.NoError(t, module.AddBlock(b))
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})
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t.Run("error: add MPT nodes without initialisation", func(t *testing.T) {
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require.Error(t, module.AddMPTNodes([][]byte{}))
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})
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require.NoError(t, module.Init(bcSpout.BlockHeight()))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.True(t, module.NeedHeaders())
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require.False(t, module.NeedMPTNodes())
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// add headers to module
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headers := make([]*block.Header, 0, bcSpout.HeaderHeight())
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for i := uint32(1); i <= bcSpout.HeaderHeight(); i++ {
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h, err := bcSpout.GetHeader(bcSpout.GetHeaderHash(i))
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require.NoError(t, err)
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headers = append(headers, h)
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}
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require.NoError(t, module.AddHeaders(headers...))
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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require.Equal(t, bcSpout.HeaderHeight(), bcBolt.HeaderHeight())
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// add blocks
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t.Run("error: unexpected block index", func(t *testing.T) {
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b, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(stateSyncPoint - maxTraceable))
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require.NoError(t, err)
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require.Error(t, module.AddBlock(b))
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})
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t.Run("error: missing state root in block header", func(t *testing.T) {
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b := &block.Block{
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Header: block.Header{
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Index: uint32(stateSyncPoint) - maxTraceable + 1,
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StateRootEnabled: false,
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},
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}
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require.Error(t, module.AddBlock(b))
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})
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t.Run("error: invalid block merkle root", func(t *testing.T) {
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b := &block.Block{
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Header: block.Header{
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Index: uint32(stateSyncPoint) - maxTraceable + 1,
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StateRootEnabled: true,
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MerkleRoot: util.Uint256{1, 2, 3},
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},
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}
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require.Error(t, module.AddBlock(b))
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})
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for i := uint32(stateSyncPoint - maxTraceable + 1); i <= stateSyncPoint; i++ {
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b, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(i))
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require.NoError(t, err)
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require.NoError(t, module.AddBlock(b))
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}
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require.True(t, module.IsActive())
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require.True(t, module.IsInitialized())
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require.False(t, module.NeedHeaders())
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require.True(t, module.NeedMPTNodes())
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require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
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// add MPT nodes in batches
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h, err := bcSpout.GetHeader(bcSpout.GetHeaderHash(stateSyncPoint + 1))
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require.NoError(t, err)
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unknownHashes := module.GetUnknownMPTNodesBatch(100)
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require.Equal(t, 1, len(unknownHashes))
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require.Equal(t, h.PrevStateRoot, unknownHashes[0])
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nodesMap := make(map[util.Uint256][]byte)
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sm := bcSpout.GetStateModule()
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sroo, err := sm.GetStateRoot(uint32(stateSyncPoint))
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require.NoError(t, err)
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require.Equal(t, sroo.Root, h.PrevStateRoot)
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err = bcSpout.GetStateSyncModule().Traverse(h.PrevStateRoot, func(n mpt.Node, nodeBytes []byte) bool {
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nodesMap[n.Hash()] = nodeBytes
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return false
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})
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require.NoError(t, err)
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for {
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need := module.GetUnknownMPTNodesBatch(10)
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if len(need) == 0 {
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break
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}
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add := make([][]byte, len(need))
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for i, h := range need {
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nodeBytes, ok := nodesMap[h]
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if !ok {
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t.Fatal("unknown or restored node requested")
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}
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add[i] = nodeBytes
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delete(nodesMap, h)
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}
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require.NoError(t, module.AddMPTNodes(add))
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}
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require.False(t, module.IsActive())
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require.False(t, module.NeedHeaders())
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require.False(t, module.NeedMPTNodes())
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unknownNodes := module.GetUnknownMPTNodesBatch(1)
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require.True(t, len(unknownNodes) == 0)
|
|
require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
|
|
require.Equal(t, uint32(stateSyncPoint), bcBolt.BlockHeight())
|
|
|
|
// add missing blocks to bcBolt: should be ok, because state is synced
|
|
for i := uint32(stateSyncPoint + 1); i <= bcSpout.BlockHeight(); i++ {
|
|
b, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(i))
|
|
require.NoError(t, err)
|
|
require.NoError(t, bcBolt.AddBlock(b))
|
|
}
|
|
require.Equal(t, bcSpout.BlockHeight(), bcBolt.BlockHeight())
|
|
|
|
// compare storage states
|
|
fetchStorage := func(ps storage.Store, storagePrefix byte) []storage.KeyValue {
|
|
var kv []storage.KeyValue
|
|
ps.Seek(storage.SeekRange{Prefix: []byte{storagePrefix}}, func(k, v []byte) bool {
|
|
key := slice.Copy(k)
|
|
value := slice.Copy(v)
|
|
if key[0] == byte(storage.STTempStorage) {
|
|
key[0] = byte(storage.STStorage)
|
|
}
|
|
kv = append(kv, storage.KeyValue{
|
|
Key: key,
|
|
Value: value,
|
|
})
|
|
return true
|
|
})
|
|
return kv
|
|
}
|
|
// Both blockchains are running, so we need to wait until recent changes will be persisted
|
|
// to the underlying backend store. Close blockchains to ensure persist was completed.
|
|
bcSpout.Close()
|
|
bcBolt.Close()
|
|
expected := fetchStorage(bcSpoutStore, byte(storage.STStorage))
|
|
actual := fetchStorage(bcBoltStore, byte(storage.STTempStorage))
|
|
require.ElementsMatch(t, expected, actual)
|
|
|
|
// no temp items should be left
|
|
var haveItems bool
|
|
bcBoltStore.Seek(storage.SeekRange{Prefix: []byte{byte(storage.STStorage)}}, func(_, _ []byte) bool {
|
|
haveItems = true
|
|
return false
|
|
})
|
|
require.False(t, haveItems)
|
|
}
|
|
t.Run("source node is archive", func(t *testing.T) {
|
|
check(t, false)
|
|
})
|
|
t.Run("source node is light with GC", func(t *testing.T) {
|
|
check(t, true)
|
|
})
|
|
}
|