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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package pruning | ||
|
|
||
| import "cosmossdk.io/store/v2" | ||
|
|
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| // Manager is a struct that manages the pruning of old versions of the SC and SS. | ||
| type Manager struct { | ||
| // scPruner is the pruner for the SC. | ||
| scPruner store.Pruner | ||
| // scPruningOptions are the pruning options for the SC. | ||
| scPruningOptions *store.PruneOptions | ||
| // ssPruner is the pruner for the SS. | ||
| ssPruner store.Pruner | ||
| // ssPruningOptions are the pruning options for the SS. | ||
| ssPruningOptions *store.PruneOptions | ||
| } | ||
|
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| // NewManager creates a new Pruning Manager. | ||
| func NewManager(scPruner, ssPruner store.Pruner, scPruningOptions, ssPruningOptions *store.PruneOptions) *Manager { | ||
| return &Manager{ | ||
| scPruner: scPruner, | ||
| scPruningOptions: scPruningOptions, | ||
| ssPruner: ssPruner, | ||
| ssPruningOptions: ssPruningOptions, | ||
| } | ||
| } | ||
|
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| // Prune prunes the SC and SS to the provided version. | ||
| // | ||
| // NOTE: It can be called outside of the store manually. | ||
| func (m *Manager) Prune(version uint64) error { | ||
| // Prune the SC. | ||
| if m.scPruningOptions != nil { | ||
| if prune, pruneTo := m.scPruningOptions.ShouldPrune(version); prune { | ||
| if err := m.scPruner.Prune(pruneTo); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } | ||
|
|
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| // Prune the SS. | ||
| if m.ssPruningOptions != nil { | ||
| if prune, pruneTo := m.ssPruningOptions.ShouldPrune(version); prune { | ||
| if err := m.ssPruner.Prune(pruneTo); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| // SignalCommit signals to the manager that a commit has started or finished. | ||
| // This is used to avoid concurrent writes while pruning. | ||
| func (m *Manager) SignalCommit(start bool, version uint64) error { | ||
| if scPausablePruner, ok := m.scPruner.(store.PausablePruner); ok { | ||
| scPausablePruner.PausePruning(start) | ||
| } | ||
| if ssPausablePruner, ok := m.ssPruner.(store.PausablePruner); ok { | ||
| ssPausablePruner.PausePruning(start) | ||
| } | ||
|
|
||
| if !start { | ||
| return m.Prune(version) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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