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48 lines
1.7 KiB
Go
48 lines
1.7 KiB
Go
package db
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import (
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"github.com/prysmaticlabs/prysm/shared/bytesutil"
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)
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// The Schema will define how to store and retrieve data from the db.
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// Currently we store blocks by prefixing `block` to their hash and
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// using that as the key to store blocks.
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// `block` + hash -> block
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//
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// We store the state using the state lookup key, and
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// also the genesis block using the genesis lookup key.
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// The canonical head is stored using the canonical head lookup key.
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// The fields below define the suffix of keys in the db.
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var (
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attestationBucket = []byte("attestation-bucket")
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attestationTargetBucket = []byte("attestation-target-bucket")
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blockOperationsBucket = []byte("block-operations-bucket")
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blockBucket = []byte("block-bucket")
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mainChainBucket = []byte("main-chain-bucket")
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histStateBucket = []byte("historical-state-bucket")
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chainInfoBucket = []byte("chain-info")
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validatorBucket = []byte("validator")
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mainChainHeightKey = []byte("chain-height")
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stateLookupKey = []byte("state")
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finalizedStateLookupKey = []byte("finalized-state")
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justifiedStateLookupKey = []byte("justified-state")
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finalizedBlockLookupKey = []byte("finalized-block")
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justifiedBlockLookupKey = []byte("justified-block")
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// DB internal use
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cleanupHistoryBucket = []byte("cleanup-history-bucket")
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)
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// encodeSlotNumber encodes a slot number as little-endian uint32.
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func encodeSlotNumber(number uint64) []byte {
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return bytesutil.Bytes8(number)
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}
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// decodeSlotNumber returns a slot number which has been
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// encoded as a little-endian uint32 in the byte array.
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func decodeToSlotNumber(bytearray []byte) uint64 {
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return bytesutil.FromBytes8(bytearray)
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}
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