436 lines
16 KiB
Go
436 lines
16 KiB
Go
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package core
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import (
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"testing"
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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/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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var (
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stateSyncInterval = 2
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maxTraceable uint32 = 3
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)
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spoutCfg := func(c *config.Config) {
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c.ProtocolConfiguration.StateRootInHeader = true
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c.ProtocolConfiguration.P2PStateExchangeExtensions = true
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c.ProtocolConfiguration.StateSyncInterval = stateSyncInterval
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c.ProtocolConfiguration.MaxTraceableBlocks = maxTraceable
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}
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bcSpout := newTestChainWithCustomCfg(t, spoutCfg)
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for i := 0; i <= 2*stateSyncInterval+int(maxTraceable)+1; i++ {
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require.NoError(t, bcSpout.AddBlock(bcSpout.newBlock()))
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}
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boltCfg := func(c *config.Config) {
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spoutCfg(c)
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c.ProtocolConfiguration.KeepOnlyLatestState = true
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c.ProtocolConfiguration.RemoveUntraceableBlocks = true
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}
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t.Run("error: module disabled by config", func(t *testing.T) {
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bcBolt := newTestChainWithCustomCfg(t, func(c *config.Config) {
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boltCfg(c)
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c.ProtocolConfiguration.RemoveUntraceableBlocks = false
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})
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module := bcBolt.GetStateSyncModule()
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require.Error(t, module.Init(bcSpout.BlockHeight())) // module inactive (non-archival node)
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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 := newTestChainWithCustomCfg(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 := newTestChainWithCustomCfg(t, boltCfg)
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for i := 1; i < int(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 := newTestChainWithCustomCfg(t, boltCfg)
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require.NoError(t, bcBolt.AddBlock(bcBolt.newBlock()))
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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 := newTestChainWithCustomCfg(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 := newTestChainWithCustomCfg(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 := newTestChainWithCustomCfg(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 := newTestChainWithCustomCfg(t, boltCfg)
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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 := (int(bcSpout.BlockHeight()) / stateSyncInterval) * stateSyncInterval
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var expectedHeader *block.Header
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for i := 1; i <= int(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 - int(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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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{slice.Copy(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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}
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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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require.NoError(t, bcBolt.AddBlock(bcBolt.newBlock()))
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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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var (
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stateSyncInterval = 4
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maxTraceable uint32 = 6
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stateSyncPoint = 16
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)
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spoutCfg := func(c *config.Config) {
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c.ProtocolConfiguration.StateRootInHeader = true
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c.ProtocolConfiguration.P2PStateExchangeExtensions = true
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c.ProtocolConfiguration.StateSyncInterval = stateSyncInterval
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c.ProtocolConfiguration.MaxTraceableBlocks = maxTraceable
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}
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bcSpout := newTestChainWithCustomCfg(t, spoutCfg)
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initBasicChain(t, bcSpout)
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// make spout chain higher that latest state sync point
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require.NoError(t, bcSpout.AddBlock(bcSpout.newBlock()))
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require.NoError(t, bcSpout.AddBlock(bcSpout.newBlock()))
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require.NoError(t, bcSpout.AddBlock(bcSpout.newBlock()))
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require.Equal(t, uint32(stateSyncPoint+2), bcSpout.BlockHeight())
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boltCfg := func(c *config.Config) {
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spoutCfg(c)
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c.ProtocolConfiguration.KeepOnlyLatestState = true
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c.ProtocolConfiguration.RemoveUntraceableBlocks = true
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}
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bcBolt := newTestChainWithCustomCfg(t, boltCfg)
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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(1))
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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(int(i)))
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|
require.NoError(t, err)
|
||
|
|
headers = append(headers, h)
|
||
|
|
}
|
||
|
|
require.NoError(t, module.AddHeaders(headers...))
|
||
|
|
require.True(t, module.IsActive())
|
||
|
|
require.True(t, module.IsInitialized())
|
||
|
|
require.False(t, module.NeedHeaders())
|
||
|
|
require.True(t, module.NeedMPTNodes())
|
||
|
|
require.Equal(t, bcSpout.HeaderHeight(), bcBolt.HeaderHeight())
|
||
|
|
|
||
|
|
// add blocks
|
||
|
|
t.Run("error: unexpected block index", func(t *testing.T) {
|
||
|
|
b, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(stateSyncPoint - int(maxTraceable)))
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.Error(t, module.AddBlock(b))
|
||
|
|
})
|
||
|
|
t.Run("error: missing state root in block header", func(t *testing.T) {
|
||
|
|
b := &block.Block{
|
||
|
|
Header: block.Header{
|
||
|
|
Index: uint32(stateSyncPoint) - maxTraceable + 1,
|
||
|
|
StateRootEnabled: false,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
require.Error(t, module.AddBlock(b))
|
||
|
|
})
|
||
|
|
t.Run("error: invalid block merkle root", func(t *testing.T) {
|
||
|
|
b := &block.Block{
|
||
|
|
Header: block.Header{
|
||
|
|
Index: uint32(stateSyncPoint) - maxTraceable + 1,
|
||
|
|
StateRootEnabled: true,
|
||
|
|
MerkleRoot: util.Uint256{1, 2, 3},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
require.Error(t, module.AddBlock(b))
|
||
|
|
})
|
||
|
|
|
||
|
|
for i := stateSyncPoint - int(maxTraceable) + 1; i <= stateSyncPoint; i++ {
|
||
|
|
b, err := bcSpout.GetBlock(bcSpout.GetHeaderHash(i))
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.NoError(t, module.AddBlock(b))
|
||
|
|
}
|
||
|
|
require.True(t, module.IsActive())
|
||
|
|
require.True(t, module.IsInitialized())
|
||
|
|
require.False(t, module.NeedHeaders())
|
||
|
|
require.True(t, module.NeedMPTNodes())
|
||
|
|
require.Equal(t, uint32(stateSyncPoint), module.BlockHeight())
|
||
|
|
|
||
|
|
// add MPT nodes in batches
|
||
|
|
h, err := bcSpout.GetHeader(bcSpout.GetHeaderHash(stateSyncPoint + 1))
|
||
|
|
require.NoError(t, err)
|
||
|
|
unknownHashes := module.GetUnknownMPTNodesBatch(100)
|
||
|
|
require.Equal(t, 1, len(unknownHashes))
|
||
|
|
require.Equal(t, h.PrevStateRoot, unknownHashes[0])
|
||
|
|
nodesMap := make(map[util.Uint256][]byte)
|
||
|
|
err = bcSpout.GetStateSyncModule().Traverse(h.PrevStateRoot, func(n mpt.Node, nodeBytes []byte) bool {
|
||
|
|
nodesMap[n.Hash()] = nodeBytes
|
||
|
|
return false
|
||
|
|
})
|
||
|
|
require.NoError(t, err)
|
||
|
|
for {
|
||
|
|
need := module.GetUnknownMPTNodesBatch(10)
|
||
|
|
if len(need) == 0 {
|
||
|
|
break
|
||
|
|
}
|
||
|
|
add := make([][]byte, len(need))
|
||
|
|
for i, h := range need {
|
||
|
|
nodeBytes, ok := nodesMap[h]
|
||
|
|
if !ok {
|
||
|
|
t.Fatal("unknown or restored node requested")
|
||
|
|
}
|
||
|
|
add[i] = nodeBytes
|
||
|
|
delete(nodesMap, h)
|
||
|
|
}
|
||
|
|
require.NoError(t, module.AddMPTNodes(add))
|
||
|
|
}
|
||
|
|
require.False(t, module.IsActive())
|
||
|
|
require.False(t, module.NeedHeaders())
|
||
|
|
require.False(t, module.NeedMPTNodes())
|
||
|
|
unknownNodes := module.GetUnknownMPTNodesBatch(1)
|
||
|
|
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 := stateSyncPoint + 1; i <= int(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(bc *Blockchain) []storage.KeyValue {
|
||
|
|
var kv []storage.KeyValue
|
||
|
|
bc.dao.Store.Seek(storage.STStorage.Bytes(), func(k, v []byte) {
|
||
|
|
key := slice.Copy(k)
|
||
|
|
value := slice.Copy(v)
|
||
|
|
kv = append(kv, storage.KeyValue{
|
||
|
|
Key: key,
|
||
|
|
Value: value,
|
||
|
|
})
|
||
|
|
})
|
||
|
|
return kv
|
||
|
|
}
|
||
|
|
expected := fetchStorage(bcSpout)
|
||
|
|
actual := fetchStorage(bcBolt)
|
||
|
|
require.ElementsMatch(t, expected, actual)
|
||
|
|
|
||
|
|
// no temp items should be left
|
||
|
|
bcBolt.dao.Store.Seek(storage.STTempStorage.Bytes(), func(k, v []byte) {
|
||
|
|
t.Fatal("temp storage items are found")
|
||
|
|
})
|
||
|
|
}
|