mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-23 04:03:49 +00:00
33 lines
818 B
Go
33 lines
818 B
Go
package rawdb
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import (
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"github.com/ledgerwatch/erigon-lib/kv"
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)
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type ConfigKey []byte
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var (
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HistoryV3 = ConfigKey("history.v3")
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)
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func (k ConfigKey) Enabled(tx kv.Tx) (bool, error) { return kv.GetBool(tx, kv.DatabaseInfo, k) }
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func (k ConfigKey) WriteOnce(tx kv.RwTx, v bool) (bool, error) {
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_, enabled, err := kv.EnsureNotChangedBool(tx, kv.DatabaseInfo, k, v)
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return enabled, err
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}
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func (k ConfigKey) EnsureNotChanged(tx kv.RwTx, value bool) (ok, enabled bool, err error) {
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return kv.EnsureNotChangedBool(tx, kv.DatabaseInfo, k, value)
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}
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func (k ConfigKey) ForceWrite(tx kv.RwTx, enabled bool) error {
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if enabled {
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if err := tx.Put(kv.DatabaseInfo, k, []byte{1}); err != nil {
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return err
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}
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} else {
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if err := tx.Put(kv.DatabaseInfo, k, []byte{0}); err != nil {
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return err
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}
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}
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return nil
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}
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