mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
package snapshotsync
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/*
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import (
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"github.com/ledgerwatch/erigon-lib/gointerfaces/snapshotsync"
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"github.com/ledgerwatch/erigon-lib/kv"
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kv2 "github.com/ledgerwatch/erigon-lib/kv/mdbx"
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"github.com/ledgerwatch/erigon/ethdb/snapshotdb"
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"github.com/ledgerwatch/log/v3"
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)
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var (
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BucketConfigs = map[snapshotsync.SnapshotType]kv.TableCfg{
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snapshotsync.SnapshotType_bodies: {
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kv.BlockBody: kv.TableCfgItem{},
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kv.EthTx: kv.TableCfgItem{},
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},
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snapshotsync.SnapshotType_headers: {
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kv.Headers: kv.TableCfgItem{},
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},
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snapshotsync.SnapshotType_state: {
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kv.PlainState: kv.TableCfgItem{
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Flags: kv.DupSort,
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AutoDupSortKeysConversion: true,
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DupFromLen: 60,
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DupToLen: 28,
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},
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kv.PlainContractCode: kv.TableCfgItem{},
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kv.Code: kv.TableCfgItem{},
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},
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}
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)
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func WrapBySnapshotsFromDownloader(db kv.RwDB, snapshots map[snapshotsync.SnapshotType]*snapshotsync.SnapshotsInfo) (kv.RwDB, error) {
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snKV := snapshotdb.NewSnapshotKV().DB(db)
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for k, v := range snapshots {
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log.Info("Wrap db by", "snapshot", k.String(), "dir", v.Dbpath)
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chainSnapshotCfg := BucketConfigs[k]
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snapshotKV, err := kv2.NewMDBX(log.New()).Readonly().Path(v.Dbpath).WithTablessCfg(func(defaultBuckets kv.TableCfg) kv.TableCfg {
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return chainSnapshotCfg
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}).Open()
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if err != nil {
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log.Error("Can't open snapshot", "err", err)
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return nil, err
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} else { //nolint
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switch k {
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case snapshotsync.SnapshotType_headers:
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snKV = snKV.HeadersSnapshot(snapshotKV)
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case snapshotsync.SnapshotType_bodies:
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snKV = snKV.BodiesSnapshot(snapshotKV)
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case snapshotsync.SnapshotType_state:
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snKV = snKV.StateSnapshot(snapshotKV)
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}
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}
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}
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return snKV.Open(), nil
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}
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*/
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