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trie: cache collapsed tries node, not rlp blobs #16876

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merged 3 commits into from
Jun 21, 2018
Merged

trie: cache collapsed tries node, not rlp blobs #16876

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7ab347e
trie: don't store empty value nodes (12 bytes less)
karalabe Jun 18, 2018
8158860
core, eth, trie: cache collapsed tries node, not rlp blobs
karalabe May 31, 2018
ccf0584
trie: strip flags from memcached trie nodes
karalabe Jun 18, 2018
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4 changes: 2 additions & 2 deletions core/blockchain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -672,7 +672,7 @@ func (bc *BlockChain) Stop() {
}
}
for !bc.triegc.Empty() {
triedb.Dereference(bc.triegc.PopItem().(common.Hash), common.Hash{})
triedb.Dereference(bc.triegc.PopItem().(common.Hash))
}
if size, _ := triedb.Size(); size != 0 {
log.Error("Dangling trie nodes after full cleanup")
Expand Down Expand Up @@ -947,7 +947,7 @@ func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.
bc.triegc.Push(root, number)
break
}
triedb.Dereference(root.(common.Hash), common.Hash{})
triedb.Dereference(root.(common.Hash))
}
}
}
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4 changes: 2 additions & 2 deletions core/blockchain_test.go
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Expand Up @@ -1279,8 +1279,8 @@ func TestTrieForkGC(t *testing.T) {
}
// Dereference all the recent tries and ensure no past trie is left in
for i := 0; i < triesInMemory; i++ {
chain.stateCache.TrieDB().Dereference(blocks[len(blocks)-1-i].Root(), common.Hash{})
chain.stateCache.TrieDB().Dereference(forks[len(blocks)-1-i].Root(), common.Hash{})
chain.stateCache.TrieDB().Dereference(blocks[len(blocks)-1-i].Root())
chain.stateCache.TrieDB().Dereference(forks[len(blocks)-1-i].Root())
}
if len(chain.stateCache.TrieDB().Nodes()) > 0 {
t.Fatalf("stale tries still alive after garbase collection")
Expand Down
2 changes: 1 addition & 1 deletion core/state/statedb.go
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Original file line number Diff line number Diff line change
Expand Up @@ -596,7 +596,7 @@ func (s *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error)
case isDirty:
// Write any contract code associated with the state object
if stateObject.code != nil && stateObject.dirtyCode {
s.db.TrieDB().Insert(common.BytesToHash(stateObject.CodeHash()), stateObject.code)
s.db.TrieDB().InsertBlob(common.BytesToHash(stateObject.CodeHash()), stateObject.code)
stateObject.dirtyCode = false
}
// Write any storage changes in the state object to its storage trie.
Expand Down
6 changes: 3 additions & 3 deletions eth/api_tracer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -297,7 +297,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
database.TrieDB().Reference(root, common.Hash{})
}
// Dereference all past tries we ourselves are done working with
database.TrieDB().Dereference(proot, common.Hash{})
database.TrieDB().Dereference(proot)
proot = root

// TODO(karalabe): Do we need the preimages? Won't they accumulate too much?
Expand All @@ -320,7 +320,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
done[uint64(result.Block)] = result

// Dereference any paret tries held in memory by this task
database.TrieDB().Dereference(res.rootref, common.Hash{})
database.TrieDB().Dereference(res.rootref)

// Stream completed traces to the user, aborting on the first error
for result, ok := done[next]; ok; result, ok = done[next] {
Expand Down Expand Up @@ -526,7 +526,7 @@ func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (*
return nil, err
}
database.TrieDB().Reference(root, common.Hash{})
database.TrieDB().Dereference(proot, common.Hash{})
database.TrieDB().Dereference(proot)
proot = root
}
nodes, imgs := database.TrieDB().Size()
Expand Down
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