56 lines
1.8 KiB
Go
56 lines
1.8 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero 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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// This program 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 Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package storage
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import (
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"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
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"github.com/vulcanize/vulcanizedb/pkg/eth/datastore/postgres"
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)
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type IStorageQueue interface {
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Add(diff utils.PersistedStorageDiff) error
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Delete(id int64) error
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GetAll() ([]utils.PersistedStorageDiff, error)
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}
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type StorageQueue struct {
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db *postgres.DB
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}
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func NewStorageQueue(db *postgres.DB) StorageQueue {
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return StorageQueue{db: db}
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}
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func (queue StorageQueue) Add(diff utils.PersistedStorageDiff) error {
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_, err := queue.db.Exec(`INSERT INTO public.queued_storage (diff_id) VALUES
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($1) ON CONFLICT DO NOTHING`, diff.ID)
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return err
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}
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func (queue StorageQueue) Delete(diffID int64) error {
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_, err := queue.db.Exec(`DELETE FROM public.queued_storage WHERE diff_id = $1`, diffID)
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return err
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}
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func (queue StorageQueue) GetAll() ([]utils.PersistedStorageDiff, error) {
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var result []utils.PersistedStorageDiff
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err := queue.db.Select(&result, `SELECT storage_diff.id, hashed_address, block_height, block_hash, storage_key, storage_value
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FROM public.queued_storage
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LEFT JOIN public.storage_diff ON queued_storage.diff_id = storage_diff.id`)
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return result, err
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}
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