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Delete old checkpoints in stateDB automatically

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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
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8
node/node.go
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@@ -130,7 +130,13 @@ func NewNode(mode Mode, cfg *config.Node) (*Node, error) {
}
chainIDU16 := uint16(chainIDU64)
stateDB, err := statedb.NewStateDB(cfg.StateDB.Path, statedb.TypeSynchronizer, 32, chainIDU16)
const safeStateDBKeep = 128
if cfg.StateDB.Keep < safeStateDBKeep {
return nil, tracerr.Wrap(fmt.Errorf("cfg.StateDB.Keep = %v < %v, which is unsafe",
cfg.StateDB.Keep, safeStateDBKeep))
}
stateDB, err := statedb.NewStateDB(cfg.StateDB.Path, cfg.StateDB.Keep,
statedb.TypeSynchronizer, 32, chainIDU16)
if err != nil {
return nil, tracerr.Wrap(err)
}