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core, trie: intermediate mempool between trie and database (#15857)

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This commit reduces database I/O by not writing every state trie to disk.
This commit is contained in:
Péter Szilágyi
2018-02-05 18:40:32 +02:00
committed by Felix Lange
parent 59336283c0
commit 55599ee95d
69 changed files with 1958 additions and 1164 deletions
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14
core/state/statedb_test.go
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@ -97,10 +97,10 @@ func TestIntermediateLeaks(t *testing.T) {
}
// Commit and cross check the databases.
if _, err := transState.CommitTo(transDb, false); err != nil {
if _, err := transState.Commit(false); err != nil {
t.Fatalf("failed to commit transition state: %v", err)
}
if _, err := finalState.CommitTo(finalDb, false); err != nil {
if _, err := finalState.Commit(false); err != nil {
t.Fatalf("failed to commit final state: %v", err)
}
for _, key := range finalDb.Keys() {
@ -122,8 +122,8 @@ func TestIntermediateLeaks(t *testing.T) {
// https://github.com/ethereum/go-ethereum/pull/15549.
func TestCopy(t *testing.T) {
// Create a random state test to copy and modify "independently"
mem, _ := ethdb.NewMemDatabase()
orig, _ := New(common.Hash{}, NewDatabase(mem))
db, _ := ethdb.NewMemDatabase()
orig, _ := New(common.Hash{}, NewDatabase(db))
for i := byte(0); i < 255; i++ {
obj := orig.GetOrNewStateObject(common.BytesToAddress([]byte{i}))
@ -346,11 +346,10 @@ func (test *snapshotTest) run() bool {
}
action.fn(action, state)
}
// Revert all snapshots in reverse order. Each revert must yield a state
// that is equivalent to fresh state with all actions up the snapshot applied.
for sindex--; sindex >= 0; sindex-- {
checkstate, _ := New(common.Hash{}, NewDatabase(db))
checkstate, _ := New(common.Hash{}, state.Database())
for _, action := range test.actions[:test.snapshots[sindex]] {
action.fn(action, checkstate)
}
@ -409,7 +408,7 @@ func (test *snapshotTest) checkEqual(state, checkstate *StateDB) error {
func (s *StateSuite) TestTouchDelete(c *check.C) {
s.state.GetOrNewStateObject(common.Address{})
root, _ := s.state.CommitTo(s.db, false)
root, _ := s.state.Commit(false)
s.state.Reset(root)
snapshot := s.state.Snapshot()
@ -417,7 +416,6 @@ func (s *StateSuite) TestTouchDelete(c *check.C) {
if len(s.state.stateObjectsDirty) != 1 {
c.Fatal("expected one dirty state object")
}
s.state.RevertToSnapshot(snapshot)
if len(s.state.stateObjectsDirty) != 0 {
c.Fatal("expected no dirty state object")