Delete old checkpoints in stateDB automatically

Introduce a constructor parameter for the StateDB called `keep`, which tells
how many checkpoints to keep.  When doing a new checkpoint, if the number of
existing checkpoints exeeds `keep`, the oldest ones will be deleted.
This commit is contained in:
Eduard S
2020-12-23 18:06:36 +01:00
parent 35d598f564
commit 2205fcadbc
17 changed files with 192 additions and 64 deletions

View File

@@ -29,7 +29,8 @@ type ConfigBatch struct {
// NewBatchBuilder constructs a new BatchBuilder, and executes the bb.Reset
// method
func NewBatchBuilder(dbpath string, synchronizerStateDB *statedb.StateDB, configCircuits []ConfigCircuit, batchNum common.BatchNum, nLevels uint64) (*BatchBuilder, error) {
localStateDB, err := statedb.NewLocalStateDB(dbpath, synchronizerStateDB, statedb.TypeBatchBuilder, int(nLevels))
localStateDB, err := statedb.NewLocalStateDB(dbpath, 128, synchronizerStateDB,
statedb.TypeBatchBuilder, int(nLevels))
if err != nil {
return nil, tracerr.Wrap(err)
}