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core/state, eth/downloader, trie: reset fast-failure on progress

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This commit is contained in:
Péter Szilágyi
2016-10-31 13:55:12 +02:00
parent b8dec948d4
commit 90b16a3e85
7 changed files with 235 additions and 181 deletions
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18
trie/sync.go
View File

@ -142,34 +142,40 @@ func (s *TrieSync) Missing(max int) []common.Hash {
return requests
}
// Process injects a batch of retrieved trie nodes data.
func (s *TrieSync) Process(results []SyncResult) (int, error) {
// Process injects a batch of retrieved trie nodes data, returning if something
// was committed to the database and also the index of an entry if processing of
// it failed.
func (s *TrieSync) Process(results []SyncResult) (bool, int, error) {
committed := false
for i, item := range results {
// If the item was not requested, bail out
request := s.requests[item.Hash]
if request == nil {
return i, ErrNotRequested
return committed, i, ErrNotRequested
}
// If the item is a raw entry request, commit directly
if request.raw {
request.data = item.Data
s.commit(request, nil)
committed = true
continue
}
// Decode the node data content and update the request
node, err := decodeNode(item.Hash[:], item.Data, 0)
if err != nil {
return i, err
return committed, i, err
}
request.data = item.Data
// Create and schedule a request for all the children nodes
requests, err := s.children(request, node)
if err != nil {
return i, err
return committed, i, err
}
if len(requests) == 0 && request.deps == 0 {
s.commit(request, nil)
committed = true
continue
}
request.deps += len(requests)
@ -177,7 +183,7 @@ func (s *TrieSync) Process(results []SyncResult) (int, error) {
s.schedule(child)
}
}
return 0, nil
return committed, 0, nil
}
// Pending returns the number of state entries currently pending for download.

12
trie/sync_test.go
View File

@ -122,7 +122,7 @@ func testIterativeTrieSync(t *testing.T, batch int) {
}
results[i] = SyncResult{hash, data}
}
if index, err := sched.Process(results); err != nil {
if _, index, err := sched.Process(results); err != nil {
t.Fatalf("failed to process result #%d: %v", index, err)
}
queue = append(queue[:0], sched.Missing(batch)...)
@ -152,7 +152,7 @@ func TestIterativeDelayedTrieSync(t *testing.T) {
}
results[i] = SyncResult{hash, data}
}
if index, err := sched.Process(results); err != nil {
if _, index, err := sched.Process(results); err != nil {
t.Fatalf("failed to process result #%d: %v", index, err)
}
queue = append(queue[len(results):], sched.Missing(10000)...)
@ -190,7 +190,7 @@ func testIterativeRandomTrieSync(t *testing.T, batch int) {
results = append(results, SyncResult{hash, data})
}
// Feed the retrieved results back and queue new tasks
if index, err := sched.Process(results); err != nil {
if _, index, err := sched.Process(results); err != nil {
t.Fatalf("failed to process result #%d: %v", index, err)
}
queue = make(map[common.Hash]struct{})
@ -231,7 +231,7 @@ func TestIterativeRandomDelayedTrieSync(t *testing.T) {
}
}
// Feed the retrieved results back and queue new tasks
if index, err := sched.Process(results); err != nil {
if _, index, err := sched.Process(results); err != nil {
t.Fatalf("failed to process result #%d: %v", index, err)
}
for _, result := range results {
@ -272,7 +272,7 @@ func TestDuplicateAvoidanceTrieSync(t *testing.T) {
results[i] = SyncResult{hash, data}
}
if index, err := sched.Process(results); err != nil {
if _, index, err := sched.Process(results); err != nil {
t.Fatalf("failed to process result #%d: %v", index, err)
}
queue = append(queue[:0], sched.Missing(0)...)
@ -304,7 +304,7 @@ func TestIncompleteTrieSync(t *testing.T) {
results[i] = SyncResult{hash, data}
}
// Process each of the trie nodes
if index, err := sched.Process(results); err != nil {
if _, index, err := sched.Process(results); err != nil {
t.Fatalf("failed to process result #%d: %v", index, err)
}
for _, result := range results {