mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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6c567a04c1
* v1.4.20 base * add inmemory dev mock for hypergraph * add simple rdf + tr * Update config.go (#234) 2 of bootstrap nodes are going to be closed due to low performances. Will consider to replace with better specs. * go mod tidy * go mod tidy * bump name in readme --------- Co-authored-by: 0xOzgur <29779769+0xOzgur@users.noreply.github.com>
150 lines
3.0 KiB
Go
150 lines
3.0 KiB
Go
package store
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import (
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"io"
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"github.com/cockroachdb/pebble"
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"github.com/pkg/errors"
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"source.quilibrium.com/quilibrium/monorepo/node/config"
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)
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type PebbleDB struct {
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db *pebble.DB
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}
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func NewPebbleDB(config *config.DBConfig) *PebbleDB {
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db, err := pebble.Open(config.Path, &pebble.Options{})
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if err != nil {
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panic(err)
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}
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return &PebbleDB{db}
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}
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func (p *PebbleDB) Get(key []byte) ([]byte, io.Closer, error) {
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return p.db.Get(key)
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}
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func (p *PebbleDB) Set(key, value []byte) error {
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return p.db.Set(key, value, &pebble.WriteOptions{Sync: true})
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}
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func (p *PebbleDB) Delete(key []byte) error {
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return p.db.Delete(key, &pebble.WriteOptions{Sync: true})
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}
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func (p *PebbleDB) NewBatch() Transaction {
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return &PebbleTransaction{
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b: p.db.NewBatch(),
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}
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}
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func (p *PebbleDB) NewIter(lowerBound []byte, upperBound []byte) (
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Iterator,
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error,
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) {
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return p.db.NewIter(&pebble.IterOptions{
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LowerBound: lowerBound,
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UpperBound: upperBound,
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})
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}
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func (p *PebbleDB) Compact(start, end []byte, parallelize bool) error {
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return p.db.Compact(start, end, parallelize)
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}
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func (p *PebbleDB) Close() error {
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return p.db.Close()
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}
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func (p *PebbleDB) DeleteRange(start, end []byte) error {
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return p.db.DeleteRange(start, end, &pebble.WriteOptions{Sync: true})
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}
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func (p *PebbleDB) CompactAll() error {
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iter, err := p.db.NewIter(nil)
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if err != nil {
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return errors.Wrap(err, "compact all")
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}
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var first, last []byte
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if iter.First() {
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first = append(first, iter.Key()...)
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}
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if iter.Last() {
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last = append(last, iter.Key()...)
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}
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if err := iter.Close(); err != nil {
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return errors.Wrap(err, "compact all")
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}
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if err := p.Compact(first, last, false); err != nil {
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return errors.Wrap(err, "compact all")
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}
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return nil
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}
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var _ KVDB = (*PebbleDB)(nil)
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type Transaction interface {
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Get(key []byte) ([]byte, io.Closer, error)
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Set(key []byte, value []byte) error
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Commit() error
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Delete(key []byte) error
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Abort() error
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NewIter(lowerBound []byte, upperBound []byte) (Iterator, error)
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}
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type PebbleTransaction struct {
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b *pebble.Batch
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}
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func (t *PebbleTransaction) Get(key []byte) ([]byte, io.Closer, error) {
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return t.b.Get(key)
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}
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func (t *PebbleTransaction) Set(key []byte, value []byte) error {
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return t.b.Set(key, value, &pebble.WriteOptions{Sync: true})
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}
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func (t *PebbleTransaction) Commit() error {
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return t.b.Commit(&pebble.WriteOptions{Sync: true})
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}
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func (t *PebbleTransaction) Delete(key []byte) error {
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return t.b.Delete(key, &pebble.WriteOptions{Sync: true})
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}
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func (t *PebbleTransaction) Abort() error {
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return t.b.Close()
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}
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func (t *PebbleTransaction) NewIter(lowerBound []byte, upperBound []byte) (
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Iterator,
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error,
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) {
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return t.b.NewIter(&pebble.IterOptions{
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LowerBound: lowerBound,
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UpperBound: upperBound,
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})
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}
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var _ Transaction = (*PebbleTransaction)(nil)
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func rightAlign(data []byte, size int) []byte {
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l := len(data)
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if l == size {
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return data
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}
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if l > size {
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return data[l-size:]
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}
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pad := make([]byte, size)
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copy(pad[size-l:], data)
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return pad
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}
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