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all: integrate the freezer with fast sync

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* all: freezer style syncing

core, eth, les, light: clean up freezer relative APIs

core, eth, les, trie, ethdb, light: clean a bit

core, eth, les, light: add unit tests

core, light: rewrite setHead function

core, eth: fix downloader unit tests

core: add receipt chain insertion test

core: use constant instead of hardcoding table name

core: fix rollback

core: fix setHead

core/rawdb: remove canonical block first and then iterate side chain

core/rawdb, ethdb: add hasAncient interface

eth/downloader: calculate ancient limit via cht first

core, eth, ethdb: lots of fixes

* eth/downloader: print ancient disable log only for fast sync
This commit is contained in:
gary rong
2019-04-25 22:59:48 +08:00
committed by Péter Szilágyi
parent b6cac42e9f
commit 80469bea0c
26 changed files with 1076 additions and 326 deletions
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6
trie/sync.go
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@ -72,7 +72,7 @@ func newSyncMemBatch() *syncMemBatch {
// unknown trie hashes to retrieve, accepts node data associated with said hashes
// and reconstructs the trie step by step until all is done.
type Sync struct {
database ethdb.Reader // Persistent database to check for existing entries
database ethdb.KeyValueReader // Persistent database to check for existing entries
membatch *syncMemBatch // Memory buffer to avoid frequent database writes
requests map[common.Hash]*request // Pending requests pertaining to a key hash
queue *prque.Prque // Priority queue with the pending requests
@ -80,7 +80,7 @@ type Sync struct {
}
// NewSync creates a new trie data download scheduler.
func NewSync(root common.Hash, database ethdb.Reader, callback LeafCallback, bloom *SyncBloom) *Sync {
func NewSync(root common.Hash, database ethdb.KeyValueReader, callback LeafCallback, bloom *SyncBloom) *Sync {
ts := &Sync{
database: database,
membatch: newSyncMemBatch(),
@ -224,7 +224,7 @@ func (s *Sync) Process(results []SyncResult) (bool, int, error) {
// Commit flushes the data stored in the internal membatch out to persistent
// storage, returning the number of items written and any occurred error.
func (s *Sync) Commit(dbw ethdb.Writer) (int, error) {
func (s *Sync) Commit(dbw ethdb.KeyValueWriter) (int, error) {
// Dump the membatch into a database dbw
for i, key := range s.membatch.order {
if err := dbw.Put(key[:], s.membatch.batch[key]); err != nil {