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core, eth: split eth package, implement snap protocol (#21482)

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This commit splits the eth package, separating the handling of eth and snap protocols. It also includes the capability to run snap sync (https://github.com/ethereum/devp2p/blob/master/caps/snap.md) , but does not enable it by default. 

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
Péter Szilágyi
2020-12-14 11:27:15 +02:00
committed by GitHub
parent 00d10e610f
commit 017831dd5b
74 changed files with 8246 additions and 3411 deletions
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21
core/rawdb/accessors_snapshot.go
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@ -175,3 +175,24 @@ func DeleteSnapshotRecoveryNumber(db ethdb.KeyValueWriter) {
log.Crit("Failed to remove snapshot recovery number", "err", err)
}
}
// ReadSanpshotSyncStatus retrieves the serialized sync status saved at shutdown.
func ReadSanpshotSyncStatus(db ethdb.KeyValueReader) []byte {
data, _ := db.Get(snapshotSyncStatusKey)
return data
}
// WriteSnapshotSyncStatus stores the serialized sync status to save at shutdown.
func WriteSnapshotSyncStatus(db ethdb.KeyValueWriter, status []byte) {
if err := db.Put(snapshotSyncStatusKey, status); err != nil {
log.Crit("Failed to store snapshot sync status", "err", err)
}
}
// DeleteSnapshotSyncStatus deletes the serialized sync status saved at the last
// shutdown
func DeleteSnapshotSyncStatus(db ethdb.KeyValueWriter) {
if err := db.Delete(snapshotSyncStatusKey); err != nil {
log.Crit("Failed to remove snapshot sync status", "err", err)
}
}