Patch for concurrent iterator & others (onto v1.11.6) #386

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roysc wants to merge 1565 commits from v1.11.6-statediff-v5 into master
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@ -240,8 +240,8 @@ func NewDatabaseWithFreezer(db ethdb.KeyValueStore, ancient string, namespace st
if kvhash, _ := db.Get(headerHashKey(frozen)); len(kvhash) == 0 {
// Subsequent header after the freezer limit is missing from the database.
// Reject startup if the database has a more recent head.
if *ReadHeaderNumber(db, ReadHeadHeaderHash(db)) > frozen-1 {
return nil, fmt.Errorf("gap (#%d) in the chain between ancients and leveldb", frozen)
if ldbNum := *ReadHeaderNumber(db, ReadHeadHeaderHash(db)); ldbNum > frozen-1 {
return nil, fmt.Errorf("gap in the chain between ancients (#%d) and leveldb (#%d) ", frozen, ldbNum)
}
// Database contains only older data than the freezer, this happens if the
// state was wiped and reinited from an existing freezer.