ipld-eth-server/pkg/ipfs/repository.go
2019-12-02 13:24:46 -06:00

107 lines
3.3 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package ipfs
import (
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
IndexCIDs(cidPayload *CIDPayload) error
}
type CIDRepository struct {
db *postgres.DB
}
func NewCIDRepository(db *postgres.DB) *CIDRepository {
return &CIDRepository{
db: db,
}
}
func (repo *CIDRepository) IndexCIDs(cidPayload *CIDPayload) error {
headerID, err := repo.indexHeaderCID(cidPayload.HeaderCID, cidPayload.BlockNumber, cidPayload.BlockHash)
if err != nil {
return err
}
err = repo.indexTransactionAndReceiptCIDs(cidPayload, headerID)
if err != nil {
return err
}
}
func (repo *CIDRepository) indexHeaderCID(cid, blockNumber, hash string) (int64, error) {
var headerID int64
err := repo.db.QueryRowx(`INSERT INTO public.header_cids (block_number, block_hash, cid) VALUES ($1, $2, $3)
RETURNING id
ON CONFLICT DO UPDATE SET cid = $3`, blockNumber, hash, cid).Scan(&headerID)
return headerID, err
}
func (repo *CIDRepository) indexTransactionAndReceiptCIDs(payload *CIDPayload, headerID int64) error {
for hash, trxCid := range payload.TransactionCIDs {
var txID int64
err := repo.db.QueryRowx(`INSERT INTO public.transaction_cids (header_id, tx_hash, cid) VALUES ($1, $2, $3)
RETURNING id
ON CONFLICT DO UPDATE SET cid = $3`, headerID, hash.Hex(), trxCid).Scan(&txID)
if err != nil {
return err
}
receiptCid, ok := payload.ReceiptCIDs[hash]
if ok {
err = repo.indexReceiptCID(receiptCid, txID)
if err != nil {
return err
}
}
}
return nil
}
func (repo *CIDRepository) indexReceiptCID(cid string, txId int64) error {
_, err := repo.db.Exec(`INSERT INTO public.receipt_cids (tx_id, cid) VALUES ($1, $2)
ON CONFLICT DO UPDATE SET cid = $2`, txId, cid)
return err
}
func (repo *CIDRepository) indexStateAndStorageCIDs(payload *CIDPayload, headerID int64) error {
for accountKey, stateCID := range payload.StateLeafCIDs {
var stateID int64
err := repo.db.QueryRowx(`INSERT INTO public.state_cids (header_id, account_key, cid) VALUES ($1, $2, $3)
RETURNING id
ON CONFLICT DO UPDATE SET cid = $3`, headerID, accountKey.Hex(), stateCID).Scan(&stateID)
if err != nil {
return err
}
for storageKey, storageCID := range payload.StorageLeafCIDs[accountKey] {
err = repo.indexStorageCID(storageKey.Hex(), storageCID, stateID)
if err != nil {
return err
}
}
}
return nil
}
func (repo *CIDRepository) indexStorageCID(key, cid string, stateId int64) error {
_, err := repo.db.Exec(`INSERT INTO public.storage_cids (state_id, storage_key, cid) VALUES ($1, $2, $3)
ON CONFLICT DO UPDATE SET cid = $3`, stateId, key, cid)
return err
}