forked from cerc-io/ipld-eth-server
124 lines
3.9 KiB
Go
124 lines
3.9 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 ipfs
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import (
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"github.com/jmoiron/sqlx"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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)
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// Repository is an interface for indexing CIDPayloads
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type Repository interface {
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Index(cidPayload *CIDPayload) error
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}
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// CIDRepository is the underlying struct for the Repository interface
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type CIDRepository struct {
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db *postgres.DB
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}
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// NewCIDRepository creates a new pointer to a CIDRepository which satisfies the Repository interface
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func NewCIDRepository(db *postgres.DB) *CIDRepository {
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return &CIDRepository{
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db: db,
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}
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}
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// IndexCIDs indexes a cidPayload in Postgres
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func (repo *CIDRepository) Index(cidPayload *CIDPayload) error {
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tx, _ := repo.db.Beginx()
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headerID, err := repo.indexHeaderCID(tx, cidPayload.HeaderCID, cidPayload.BlockNumber, cidPayload.BlockHash)
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if err != nil {
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tx.Rollback()
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return err
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}
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err = repo.indexTransactionAndReceiptCIDs(tx, cidPayload, headerID)
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if err != nil {
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tx.Rollback()
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return err
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}
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err = repo.indexStateAndStorageCIDs(tx, cidPayload, headerID)
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if err != nil {
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tx.Rollback()
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return err
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}
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return tx.Commit()
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}
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func (repo *CIDRepository) indexHeaderCID(tx *sqlx.Tx, cid, blockNumber, hash string) (int64, error) {
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var headerID int64
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err := tx.QueryRowx(`INSERT INTO public.header_cids (block_number, block_hash, cid) VALUES ($1, $2, $3)
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ON CONFLICT DO UPDATE SET cid = $3
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RETURNING id`,
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blockNumber, hash, cid).Scan(&headerID)
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return headerID, err
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}
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func (repo *CIDRepository) indexTransactionAndReceiptCIDs(tx *sqlx.Tx, payload *CIDPayload, headerID int64) error {
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for hash, trxCid := range payload.TransactionCIDs {
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var txID int64
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err := tx.QueryRowx(`INSERT INTO public.transaction_cids (header_id, tx_hash, cid) VALUES ($1, $2, $3)
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ON CONFLICT DO UPDATE SET cid = $3
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RETURNING id`,
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headerID, hash.Hex(), trxCid).Scan(&txID)
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if err != nil {
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return err
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}
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receiptCid, ok := payload.ReceiptCIDs[hash]
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if ok {
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err = repo.indexReceiptCID(tx, receiptCid, txID)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (repo *CIDRepository) indexReceiptCID(tx *sqlx.Tx, cid string, txId int64) error {
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_, err := tx.Exec(`INSERT INTO public.receipt_cids (tx_id, cid) VALUES ($1, $2)
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ON CONFLICT DO UPDATE SET cid = $2`, txId, cid)
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return err
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}
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func (repo *CIDRepository) indexStateAndStorageCIDs(tx *sqlx.Tx, payload *CIDPayload, headerID int64) error {
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for accountKey, stateCID := range payload.StateLeafCIDs {
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var stateID int64
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err := tx.QueryRowx(`INSERT INTO public.state_cids (header_id, account_key, cid) VALUES ($1, $2, $3)
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ON CONFLICT DO UPDATE SET cid = $3
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RETURNING id`,
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headerID, accountKey.Hex(), stateCID).Scan(&stateID)
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if err != nil {
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return err
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}
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for storageKey, storageCID := range payload.StorageLeafCIDs[accountKey] {
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err = repo.indexStorageCID(tx, storageKey.Hex(), storageCID, stateID)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (repo *CIDRepository) indexStorageCID(tx *sqlx.Tx, key, cid string, stateId int64) error {
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_, err := repo.db.Exec(`INSERT INTO public.storage_cids (state_id, storage_key, cid) VALUES ($1, $2, $3)
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ON CONFLICT DO UPDATE SET cid = $3`, stateId, key, cid)
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return err
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}
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