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-rw-r--r--eth/backend.go12
1 files changed, 10 insertions, 2 deletions
diff --git a/eth/backend.go b/eth/backend.go
index 9c497a586..2c7c7d792 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -61,6 +61,10 @@ type Config struct {
MinerThreads int
AccountManager *accounts.Manager
+
+ // NewDB is used to create databases.
+ // If nil, the default is to create leveldb databases on disk.
+ NewDB func(path string) (ethutil.Database, error)
}
func (cfg *Config) parseBootNodes() []*discover.Node {
@@ -136,11 +140,15 @@ func New(config *Config) (*Ethereum, error) {
// Boostrap database
servlogger := logger.New(config.DataDir, config.LogFile, config.LogLevel, config.LogFormat)
- blockDb, err := ethdb.NewLDBDatabase(path.Join(config.DataDir, "blockchain"))
+ newdb := config.NewDB
+ if newdb == nil {
+ newdb = func(path string) (ethutil.Database, error) { return ethdb.NewLDBDatabase(path) }
+ }
+ blockDb, err := newdb(path.Join(config.DataDir, "blockchain"))
if err != nil {
return nil, err
}
- stateDb, err := ethdb.NewLDBDatabase(path.Join(config.DataDir, "state"))
+ stateDb, err := newdb(path.Join(config.DataDir, "state"))
if err != nil {
return nil, err
}