55 lines
1.8 KiB
Go
55 lines
1.8 KiB
Go
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// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package storage
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import "context"
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// wrapper of db-s to provide mockable custom local chunk store access to syncer
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type DBAPI struct {
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db *LDBStore
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loc *LocalStore
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}
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func NewDBAPI(loc *LocalStore) *DBAPI {
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return &DBAPI{loc.DbStore, loc}
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}
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// to obtain the chunks from address or request db entry only
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func (d *DBAPI) Get(ctx context.Context, addr Address) (*Chunk, error) {
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return d.loc.Get(ctx, addr)
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}
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// current storage counter of chunk db
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func (d *DBAPI) CurrentBucketStorageIndex(po uint8) uint64 {
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return d.db.CurrentBucketStorageIndex(po)
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}
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// iteration storage counter and proximity order
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func (d *DBAPI) Iterator(from uint64, to uint64, po uint8, f func(Address, uint64) bool) error {
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return d.db.SyncIterator(from, to, po, f)
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}
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// to obtain the chunks from address or request db entry only
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func (d *DBAPI) GetOrCreateRequest(ctx context.Context, addr Address) (*Chunk, bool) {
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return d.loc.GetOrCreateRequest(ctx, addr)
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}
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// to obtain the chunks from key or request db entry only
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func (d *DBAPI) Put(ctx context.Context, chunk *Chunk) {
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d.loc.Put(ctx, chunk)
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}
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