prysm-pulse/beacon-chain/db/schema.go
Jie Hou aad64d113a Auto Clean Block Vote Cache (#972)
* WIP: Dummy db clean service

* [WIP. NOT READY FOR REVIEW] Add DB cleanup routine that cleans block vote cache

* Add missing bazel config

* Put DB clean behind a CLI flag

* Address review comments

* Fix error handling
2018-11-28 17:02:35 +08:00

45 lines
1.5 KiB
Go

package db
import (
"github.com/prysmaticlabs/prysm/shared/bytes"
)
// The Schema will define how to store and retrieve data from the db.
// Currently we store blocks by prefixing `block` to their hash and
// using that as the key to store blocks.
// `block` + hash -> block
//
// We store the crystallized state using the crystallized state lookup key, and
// also the genesis block using the genesis lookup key.
// The canonical head is stored using the canonical head lookup key.
// The fields below define the suffix of keys in the db.
var (
attestationBucket = []byte("attestation-bucket")
blockBucket = []byte("block-bucket")
mainChainBucket = []byte("main-chain-bucket")
chainInfoBucket = []byte("chain-info")
blockVoteCacheBucket = []byte("block-vote-cache")
simulatorBucket = []byte("simulator-bucket")
mainChainHeightKey = []byte("chain-height")
aStateLookupKey = []byte("active-state")
cStateLookupKey = []byte("crystallized-state")
simSlotLookupKey = []byte("simulator-slot")
// DB internal use
cleanupHistoryBucket = []byte("cleanup-history-bucket")
cleanedFinalizedSlotKey = []byte("cleaned-finalized-slot")
)
// encodeSlotNumber encodes a slot number as big endian uint64.
func encodeSlotNumber(number uint64) []byte {
return bytes.Bytes8(number)
}
// decodeSlotNumber returns a slot number which has been
// encoded as a big endian uint64 in the byte array.
func decodeToSlotNumber(bytearray []byte) uint64 {
return bytes.FromBytes8(bytearray)
}