ipld-eth-server/pkg/ipfs/repository.go

143 lines
4.8 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/jmoiron/sqlx"
"github.com/lib/pq"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
// CIDRepository is an interface for indexing CIDPayloads
type CIDRepository interface {
Index(cidPayload *CIDPayload) error
}
// Repository is the underlying struct for the CIDRepository interface
type Repository struct {
db *postgres.DB
}
// NewCIDRepository creates a new pointer to a Repository which satisfies the CIDRepository interface
func NewCIDRepository(db *postgres.DB) *Repository {
return &Repository{
db: db,
}
}
// Index indexes a cidPayload in Postgres
func (repo *Repository) Index(cidPayload *CIDPayload) error {
tx, err := repo.db.Beginx()
if err != nil {
return err
}
headerID, err := repo.indexHeaderCID(tx, cidPayload.HeaderCID, cidPayload.BlockNumber, cidPayload.BlockHash.Hex())
if err != nil {
tx.Rollback()
return err
}
for uncleHash, cid := range cidPayload.UncleCIDS {
err = repo.indexUncleCID(tx, cid, cidPayload.BlockNumber, uncleHash.Hex())
if err != nil {
tx.Rollback()
return err
}
}
err = repo.indexTransactionAndReceiptCIDs(tx, cidPayload, headerID)
if err != nil {
tx.Rollback()
return err
}
err = repo.indexStateAndStorageCIDs(tx, cidPayload, headerID)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repo *Repository) indexHeaderCID(tx *sqlx.Tx, cid, blockNumber, hash string) (int64, error) {
var headerID int64
err := tx.QueryRowx(`INSERT INTO public.header_cids (block_number, block_hash, cid, final) VALUES ($1, $2, $3, $4)
ON CONFLICT (block_number, block_hash) DO UPDATE SET (cid, final) = ($3, $4)
RETURNING id`,
blockNumber, hash, cid, true).Scan(&headerID)
return headerID, err
}
func (repo *Repository) indexUncleCID(tx *sqlx.Tx, cid, blockNumber, hash string) error {
_, err := tx.Exec(`INSERT INTO public.header_cids (block_number, block_hash, cid, final) VALUES ($1, $2, $3, $4)
ON CONFLICT (block_number, block_hash) DO UPDATE SET (cid, final) = ($3, $4)`,
blockNumber, hash, cid, false)
return err
}
func (repo *Repository) indexTransactionAndReceiptCIDs(tx *sqlx.Tx, payload *CIDPayload, headerID int64) error {
for hash, trxCidMeta := range payload.TransactionCIDs {
var txID int64
err := tx.QueryRowx(`INSERT INTO public.transaction_cids (header_id, tx_hash, cid, dst, src) VALUES ($1, $2, $3, $4, $5)
ON CONFLICT (header_id, tx_hash) DO UPDATE SET (cid, dst, src) = ($3, $4, $5)
RETURNING id`,
headerID, hash.Hex(), trxCidMeta.CID, trxCidMeta.Dst, trxCidMeta.Src).Scan(&txID)
if err != nil {
return err
}
receiptCidMeta, ok := payload.ReceiptCIDs[hash]
if ok {
err = repo.indexReceiptCID(tx, receiptCidMeta, txID)
if err != nil {
return err
}
}
}
return nil
}
func (repo *Repository) indexReceiptCID(tx *sqlx.Tx, cidMeta *ReceiptMetaData, txID int64) error {
_, err := tx.Exec(`INSERT INTO public.receipt_cids (tx_id, cid, contract, topic0s) VALUES ($1, $2, $3, $4)`,
txID, cidMeta.CID, cidMeta.ContractAddress, pq.Array(cidMeta.Topic0s))
return err
}
func (repo *Repository) indexStateAndStorageCIDs(tx *sqlx.Tx, payload *CIDPayload, headerID int64) error {
for accountKey, stateCID := range payload.StateNodeCIDs {
var stateID int64
err := tx.QueryRowx(`INSERT INTO public.state_cids (header_id, state_key, cid, leaf) VALUES ($1, $2, $3, $4)
ON CONFLICT (header_id, state_key) DO UPDATE SET (cid, leaf) = ($3, $4)
RETURNING id`,
headerID, accountKey.Hex(), stateCID.CID, stateCID.Leaf).Scan(&stateID)
if err != nil {
return err
}
for _, storageCID := range payload.StorageNodeCIDs[accountKey] {
err = repo.indexStorageCID(tx, storageCID, stateID)
if err != nil {
return err
}
}
}
return nil
}
func (repo *Repository) indexStorageCID(tx *sqlx.Tx, storageCID StorageNodeCID, stateID int64) error {
_, err := tx.Exec(`INSERT INTO public.storage_cids (state_id, storage_key, cid, leaf) VALUES ($1, $2, $3, $4)
ON CONFLICT (state_id, storage_key) DO UPDATE SET (cid, leaf) = ($3, $4)`,
stateID, storageCID.Key, storageCID.CID, storageCID.Leaf)
return err
}