Add LevelDB MemEnv support

Support LevelDB memory-backed environments, and use them in unit tests.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/txdb-leveldb.cpp b/src/txdb-leveldb.cpp
index 83a71c97d2..4e2abe63d7 100644
--- a/src/txdb-leveldb.cpp
+++ b/src/txdb-leveldb.cpp
@@ -19,7 +19,7 @@ void static BatchWriteHashBestChain(CLevelDBBatch &batch, const uint256 &hash) {
     batch.Write('B', hash);
 }
 
-CCoinsViewDB::CCoinsViewDB() : db(GetDataDir() / "coins") {
+CCoinsViewDB::CCoinsViewDB(bool fMemory) : db(GetDataDir() / "coins", fMemory) {
 }
 
 bool CCoinsViewDB::GetCoins(uint256 txid, CCoins &coins) { 
@@ -63,6 +63,9 @@ bool CCoinsViewDB::BatchWrite(const std::map<uint256, CCoins> &mapCoins, CBlockI
     return db.WriteBatch(batch);
 }
 
+CBlockTreeDB::CBlockTreeDB(bool fMemory) : CLevelDB(GetDataDir() / "blktree", fMemory) {
+}
+
 bool CBlockTreeDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
 {
     return Write(make_pair('b', blockindex.GetBlockHash()), blockindex);