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| author | rjl493456442 <garyrong0905@gmail.com> | 2018-03-14 20:15:30 +0800 |
|---|---|---|
| committer | Péter Szilágyi <peterke@gmail.com> | 2018-03-26 17:51:46 +0800 |
| commit | b6b6f52ec8608e1a694357357c3f1fde669f1e6d (patch) | |
| tree | ad5882a115e1688b5a542f208385c40a21400c6a /ethdb | |
| parent | 933972d139b0fe291cb01c7ad2c0f9d3109a68dd (diff) | |
| download | dexon-b6b6f52ec8608e1a694357357c3f1fde669f1e6d.tar.gz dexon-b6b6f52ec8608e1a694357357c3f1fde669f1e6d.tar.zst dexon-b6b6f52ec8608e1a694357357c3f1fde669f1e6d.zip | |
cmd: implement preimage dump and import cmds
Diffstat (limited to 'ethdb')
| -rw-r--r-- | ethdb/database.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ethdb/database.go b/ethdb/database.go index 8c557e482..d0256c56f 100644 --- a/ethdb/database.go +++ b/ethdb/database.go @@ -29,6 +29,7 @@ import ( "github.com/syndtr/goleveldb/leveldb/filter" "github.com/syndtr/goleveldb/leveldb/iterator" "github.com/syndtr/goleveldb/leveldb/opt" + "github.com/syndtr/goleveldb/leveldb/util" ) var OpenFileLimit = 64 @@ -121,6 +122,11 @@ func (db *LDBDatabase) NewIterator() iterator.Iterator { return db.db.NewIterator(nil, nil) } +// NewIteratorByPrefix returns a iterator to iterate over subset of database content with a particular prefix. +func (db *LDBDatabase) NewIteratorByPrefix(prefix []byte) iterator.Iterator { + return db.db.NewIterator(util.BytesPrefix(prefix), nil) +} + func (db *LDBDatabase) Close() { // Stop the metrics collection to avoid internal database races db.quitLock.Lock() |