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core: remove untraceable blocks wrt StateSyncInterval

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This commit is contained in:
Anna Shaleva 2021-06-25 13:24:24 +03:00
parent 6ca7983be8
commit 35501a281a
2 changed files with 96 additions and 25 deletions
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18
pkg/core/blockchain.go
View file

@ -740,8 +740,22 @@ func (bc *Blockchain) storeBlock(block *block.Block, txpool *mempool.Pool) error
}
}
if bc.config.RemoveUntraceableBlocks {
if block.Index > bc.config.MaxTraceableBlocks {
index := block.Index - bc.config.MaxTraceableBlocks // is at least 1
var start, stop uint32
if bc.config.P2PStateExchangeExtensions {
// remove batch of old blocks starting from P2-MaxTraceableBlocks-StateSyncInterval up to P2-MaxTraceableBlocks
if block.Index >= 2*uint32(bc.config.StateSyncInterval) &&
block.Index >= uint32(bc.config.StateSyncInterval)+bc.config.MaxTraceableBlocks && // check this in case if MaxTraceableBlocks>StateSyncInterval
int(block.Index)%bc.config.StateSyncInterval == 0 {
stop = block.Index - uint32(bc.config.StateSyncInterval) - bc.config.MaxTraceableBlocks
if stop > uint32(bc.config.StateSyncInterval) {
start = stop - uint32(bc.config.StateSyncInterval)
}
}
} else if block.Index > bc.config.MaxTraceableBlocks {
start = block.Index - bc.config.MaxTraceableBlocks // is at least 1
stop = start + 1
}
for index := start; index < stop; index++ {
err := kvcache.DeleteBlock(bc.headerHashes[index], writeBuf)
if err != nil {
bc.log.Warn("error while removing old block",

71
pkg/core/blockchain_test.go
View file

@ -1579,6 +1579,29 @@ func TestDumpAndRestore(t *testing.T) {
}
func TestRemoveUntraceable(t *testing.T) {
check := func(t *testing.T, bc *Blockchain, tHash, bHash util.Uint256, errorExpected bool) {
_, _, err := bc.GetTransaction(tHash)
if errorExpected {
require.Error(t, err)
} else {
require.NoError(t, err)
}
_, err = bc.GetAppExecResults(tHash, trigger.Application)
if errorExpected {
require.Error(t, err)
} else {
require.NoError(t, err)
}
_, err = bc.GetBlock(bHash)
if errorExpected {
require.Error(t, err)
} else {
require.NoError(t, err)
}
_, err = bc.GetHeader(bHash)
require.NoError(t, err)
}
t.Run("P2PStateExchangeExtensions off", func(t *testing.T) {
bc := newTestChainWithCustomCfg(t, func(c *config.Config) {
c.ProtocolConfiguration.MaxTraceableBlocks = 2
c.ProtocolConfiguration.RemoveUntraceableBlocks = true
@ -1600,14 +1623,48 @@ func TestRemoveUntraceable(t *testing.T) {
require.NoError(t, bc.AddBlock(bc.newBlock()))
_, _, err = bc.GetTransaction(tx1.Hash())
require.Error(t, err)
_, err = bc.GetAppExecResults(tx1.Hash(), trigger.Application)
require.Error(t, err)
_, err = bc.GetBlock(b1.Hash())
require.Error(t, err)
_, err = bc.GetHeader(b1.Hash())
check(t, bc, tx1.Hash(), b1.Hash(), true)
})
t.Run("P2PStateExchangeExtensions on", func(t *testing.T) {
bc := newTestChainWithCustomCfg(t, func(c *config.Config) {
c.ProtocolConfiguration.MaxTraceableBlocks = 2
c.ProtocolConfiguration.RemoveUntraceableBlocks = true
c.ProtocolConfiguration.P2PStateExchangeExtensions = true
c.ProtocolConfiguration.StateSyncInterval = 2
c.ProtocolConfiguration.StateRootInHeader = true
})
tx1, err := testchain.NewTransferFromOwner(bc, bc.contracts.NEO.Hash, util.Uint160{}, 1, 0, bc.BlockHeight()+1)
require.NoError(t, err)
b1 := bc.newBlock(tx1)
require.NoError(t, bc.AddBlock(b1))
tx1Height := bc.BlockHeight()
tx2, err := testchain.NewTransferFromOwner(bc, bc.contracts.NEO.Hash, util.Uint160{}, 1, 0, bc.BlockHeight()+1)
require.NoError(t, err)
b2 := bc.newBlock(tx2)
require.NoError(t, bc.AddBlock(b2))
tx2Height := bc.BlockHeight()
_, h1, err := bc.GetTransaction(tx1.Hash())
require.NoError(t, err)
require.Equal(t, tx1Height, h1)
require.NoError(t, bc.AddBlock(bc.newBlock()))
require.NoError(t, bc.AddBlock(bc.newBlock()))
require.NoError(t, bc.AddBlock(bc.newBlock()))
check(t, bc, tx1.Hash(), b1.Hash(), false)
check(t, bc, tx2.Hash(), b2.Hash(), false)
require.NoError(t, bc.AddBlock(bc.newBlock()))
check(t, bc, tx1.Hash(), b1.Hash(), true)
check(t, bc, tx2.Hash(), b2.Hash(), false)
_, h2, err := bc.GetTransaction(tx2.Hash())
require.NoError(t, err)
require.Equal(t, tx2Height, h2)
})
}
func TestInvalidNotification(t *testing.T) {