Snapshot() reverse iterator

2018-07-14 23:48:09 -11:00
parent a3b8c12830
commit 48c3fcbed3
1 changed files with 2 additions and 2 deletions
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -402,7 +402,7 @@ int64_t CBlockTreeDB::Snapshot()
 {
    char chType; int64_t total = -1; std::string address;
    boost::scoped_ptr<leveldb::Iterator> pcursor(NewIterator());
-    pcursor->SeekToFirst();
+    pcursor->SeekToLast();
    fprintf(stderr,"pcursor iterate\n");
    while (pcursor->Valid())
    {
@@ -428,7 +428,7 @@ int64_t CBlockTreeDB::Snapshot()
                        total = (int64_t)nValue;
                    else total += (int64_t)nValue;
                    //addressIndex.push_back(make_pair(indexKey, nValue));
-                    pcursor->Next();
+                    pcursor->Prev();
                } catch (const std::exception& e) {
                    return error("failed to get address index value");
                }