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