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core: initial version of state snapshots

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This commit is contained in:
Péter Szilágyi
2019-08-06 13:40:28 +03:00
parent 2a5ed1a1d3
commit 542df8898e
30 changed files with 1635 additions and 85 deletions
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23
core/rawdb/schema.go
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@ -41,6 +41,9 @@ var (
// fastTrieProgressKey tracks the number of trie entries imported during fast sync.
fastTrieProgressKey = []byte("TrieSync")
// snapshotBlockKey tracks the number and hash of the last snapshot.
snapshotBlockKey = []byte("SnapshotBlock")
// Data item prefixes (use single byte to avoid mixing data types, avoid `i`, used for indexes).
headerPrefix = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header
headerTDSuffix = []byte("t") // headerPrefix + num (uint64 big endian) + hash + headerTDSuffix -> td
@ -50,8 +53,9 @@ var (
blockBodyPrefix = []byte("b") // blockBodyPrefix + num (uint64 big endian) + hash -> block body
blockReceiptsPrefix = []byte("r") // blockReceiptsPrefix + num (uint64 big endian) + hash -> block receipts
txLookupPrefix = []byte("l") // txLookupPrefix + hash -> transaction/receipt lookup metadata
bloomBitsPrefix = []byte("B") // bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash -> bloom bits
txLookupPrefix = []byte("l") // txLookupPrefix + hash -> transaction/receipt lookup metadata
bloomBitsPrefix = []byte("B") // bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash -> bloom bits
StateSnapshotPrefix = []byte("s") // StateSnapshotPrefix + account hash [+ storage hash] -> account/storage trie value
preimagePrefix = []byte("secure-key-") // preimagePrefix + hash -> preimage
configPrefix = []byte("ethereum-config-") // config prefix for the db
@ -145,6 +149,21 @@ func txLookupKey(hash common.Hash) []byte {
return append(txLookupPrefix, hash.Bytes()...)
}
// accountSnapshotKey = StateSnapshotPrefix + hash
func accountSnapshotKey(hash common.Hash) []byte {
return append(StateSnapshotPrefix, hash.Bytes()...)
}
// storageSnapshotKey = StateSnapshotPrefix + account hash + storage hash
func storageSnapshotKey(accountHash, storageHash common.Hash) []byte {
return append(append(StateSnapshotPrefix, accountHash.Bytes()...), storageHash.Bytes()...)
}
// storageSnapshotsKey = StateSnapshotPrefix + account hash + storage hash
func storageSnapshotsKey(accountHash common.Hash) []byte {
return append(StateSnapshotPrefix, accountHash.Bytes()...)
}
// bloomBitsKey = bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash
func bloomBitsKey(bit uint, section uint64, hash common.Hash) []byte {
key := append(append(bloomBitsPrefix, make([]byte, 10)...), hash.Bytes()...)