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-rw-r--r--trie/sync.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/trie/sync.go b/trie/sync.go
index d55399d06..6cc6aa706 100644
--- a/trie/sync.go
+++ b/trie/sync.go
@@ -17,6 +17,7 @@
package trie
import (
+ "errors"
"fmt"
"github.com/ethereum/go-ethereum/common"
@@ -24,6 +25,10 @@ import (
"gopkg.in/karalabe/cookiejar.v2/collections/prque"
)
+// ErrNotRequested is returned by the trie sync when it's requested to process a
+// node it did not request.
+var ErrNotRequested = errors.New("not requested")
+
// request represents a scheduled or already in-flight state retrieval request.
type request struct {
hash common.Hash // Hash of the node data content to retrieve
@@ -143,7 +148,7 @@ func (s *TrieSync) Process(results []SyncResult) (int, error) {
// If the item was not requested, bail out
request := s.requests[item.Hash]
if request == nil {
- return i, fmt.Errorf("not requested: %x", item.Hash)
+ return i, ErrNotRequested
}
// If the item is a raw entry request, commit directly
if request.object == nil {