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core: define and test chain rewind corner cases (#21409)

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* core: define and test chain reparation cornercases

* core: write up a variety of set-head tests

* core, eth: unify chain rollbacks, handle all the cases

* core: make linter smile

* core: remove commented out legacy code

* core, eth/downloader: fix review comments

* core: revert a removed recovery mechanism
This commit is contained in:
Péter Szilágyi
2020-08-20 13:01:24 +03:00
committed by GitHub
parent 0bdd295cc0
commit 8cbdc8638f
13 changed files with 3953 additions and 215 deletions
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6
trie/sync.go
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@ -99,7 +99,7 @@ func (s *Sync) AddSubTrie(root common.Hash, depth int, parent common.Hash, callb
if _, ok := s.membatch.batch[root]; ok {
return
}
if s.bloom.Contains(root[:]) {
if s.bloom == nil || s.bloom.Contains(root[:]) {
// Bloom filter says this might be a duplicate, double check
blob, _ := s.database.Get(root[:])
if local, err := decodeNode(root[:], blob); local != nil && err == nil {
@ -138,7 +138,7 @@ func (s *Sync) AddRawEntry(hash common.Hash, depth int, parent common.Hash) {
if _, ok := s.membatch.batch[hash]; ok {
return
}
if s.bloom.Contains(hash[:]) {
if s.bloom == nil || s.bloom.Contains(hash[:]) {
// Bloom filter says this might be a duplicate, double check
if ok, _ := s.database.Has(hash[:]); ok {
return
@ -300,7 +300,7 @@ func (s *Sync) children(req *request, object node) ([]*request, error) {
if _, ok := s.membatch.batch[hash]; ok {
continue
}
if s.bloom.Contains(node) {
if s.bloom == nil || s.bloom.Contains(node) {
// Bloom filter says this might be a duplicate, double check
if ok, _ := s.database.Has(node); ok {
continue