Merge pull request #3518 from fjl/ethclient-dependency-cleanup

core/types: dependency cleanup

1 files changed, 5 insertions, 1 deletions

diff --git a/trie/trie.go b/trie/trie.go
index 035a80e74..cd9e20cac 100644
--- a/trie/trie.go
+++ b/trie/trie.go
@@ -60,8 +60,12 @@ func init() {
 
 // Database must be implemented by backing stores for the trie.
 type Database interface {
+	DatabaseReader
 	DatabaseWriter
-	// Get returns the value for key from the database.
+}
+
+// DatabaseReader wraps the Get method of a backing store for the trie.
+type DatabaseReader interface {
 	Get(key []byte) (value []byte, err error)
 }