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all: clean up and proerly abstract database access

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This commit is contained in:
Péter Szilágyi
2018-09-24 15:57:49 +03:00
parent 15eee47ebf
commit 054412e335
94 changed files with 1573 additions and 1381 deletions
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6
trie/sync.go
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@ -72,14 +72,14 @@ 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 DatabaseReader // Persistent database to check for existing entries
database ethdb.Reader // 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
}
// NewSync creates a new trie data download scheduler.
func NewSync(root common.Hash, database DatabaseReader, callback LeafCallback) *Sync {
func NewSync(root common.Hash, database ethdb.Reader, callback LeafCallback) *Sync {
ts := &Sync{
database: database,
membatch: newSyncMemBatch(),
@ -213,7 +213,7 @@ 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.Putter) (int, error) {
func (s *Sync) Commit(dbw ethdb.Writer) (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 {