36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
package types
|
|
|
|
// PruningStrategy specifies how old states will be deleted over time where
|
|
// keepRecent can be used with keepEvery to create a pruning "strategy".
|
|
type PruningOptions struct {
|
|
keepRecent int64
|
|
keepEvery int64
|
|
}
|
|
|
|
func NewPruningOptions(keepRecent, keepEvery int64) PruningOptions {
|
|
return PruningOptions{
|
|
keepRecent: keepRecent,
|
|
keepEvery: keepEvery,
|
|
}
|
|
}
|
|
|
|
// How much recent state will be kept. Older state will be deleted.
|
|
func (po PruningOptions) KeepRecent() int64 {
|
|
return po.keepRecent
|
|
}
|
|
|
|
// Keeps every N stated, deleting others.
|
|
func (po PruningOptions) KeepEvery() int64 {
|
|
return po.keepEvery
|
|
}
|
|
|
|
// default pruning strategies
|
|
var (
|
|
// PruneEverything means all saved states will be deleted, storing only the current state
|
|
PruneEverything = NewPruningOptions(0, 0)
|
|
// PruneNothing means all historic states will be saved, nothing will be deleted
|
|
PruneNothing = NewPruningOptions(0, 1)
|
|
// PruneSyncable means only those states not needed for state syncing will be deleted (keeps last 100 + every 10000th)
|
|
PruneSyncable = NewPruningOptions(100, 10000)
|
|
)
|