490 lines
18 KiB
Go
490 lines
18 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 eth
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import (
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/jmoiron/sqlx"
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"github.com/lib/pq"
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log "github.com/sirupsen/logrus"
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"github.com/vulcanize/vulcanizedb/pkg/eth/datastore/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
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)
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// CIDRetriever satisfies the CIDRetriever interface for ethereum
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type CIDRetriever struct {
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db *postgres.DB
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}
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// NewCIDRetriever returns a pointer to a new CIDRetriever which supports the CIDRetriever interface
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func NewCIDRetriever(db *postgres.DB) *CIDRetriever {
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return &CIDRetriever{
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db: db,
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}
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}
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// RetrieveFirstBlockNumber is used to retrieve the first block number in the db
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func (ecr *CIDRetriever) RetrieveFirstBlockNumber() (int64, error) {
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var blockNumber int64
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err := ecr.db.Get(&blockNumber, "SELECT block_number FROM eth.header_cids ORDER BY block_number ASC LIMIT 1")
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return blockNumber, err
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}
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// RetrieveLastBlockNumber is used to retrieve the latest block number in the db
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func (ecr *CIDRetriever) RetrieveLastBlockNumber() (int64, error) {
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var blockNumber int64
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err := ecr.db.Get(&blockNumber, "SELECT block_number FROM eth.header_cids ORDER BY block_number DESC LIMIT 1 ")
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return blockNumber, err
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}
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// Retrieve is used to retrieve all of the CIDs which conform to the passed StreamFilters
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func (ecr *CIDRetriever) Retrieve(filter shared.SubscriptionSettings, blockNumber int64) (shared.CIDsForFetching, bool, error) {
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streamFilter, ok := filter.(*SubscriptionSettings)
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if !ok {
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return nil, true, fmt.Errorf("eth retriever expected filter type %T got %T", &SubscriptionSettings{}, filter)
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}
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log.Debug("retrieving cids")
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tx, err := ecr.db.Beginx()
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if err != nil {
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return nil, true, err
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}
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cw := new(CIDWrapper)
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cw.BlockNumber = big.NewInt(blockNumber)
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// Retrieve cached header CIDs
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if !streamFilter.HeaderFilter.Off {
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cw.Headers, err = ecr.RetrieveHeaderCIDs(tx, blockNumber)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("header cid retrieval error")
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return nil, true, err
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}
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if streamFilter.HeaderFilter.Uncles {
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for _, headerCID := range cw.Headers {
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uncleCIDs, err := ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID.ID)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("uncle cid retrieval error")
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return nil, true, err
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}
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cw.Uncles = append(cw.Uncles, uncleCIDs...)
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}
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}
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}
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// Retrieve cached trx CIDs
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if !streamFilter.TxFilter.Off {
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cw.Transactions, err = ecr.RetrieveTxCIDs(tx, streamFilter.TxFilter, blockNumber)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("transaction cid retrieval error")
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return nil, true, err
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}
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}
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trxIds := make([]int64, 0, len(cw.Transactions))
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for _, tx := range cw.Transactions {
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trxIds = append(trxIds, tx.ID)
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}
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// Retrieve cached receipt CIDs
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if !streamFilter.ReceiptFilter.Off {
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cw.Receipts, err = ecr.RetrieveRctCIDs(tx, streamFilter.ReceiptFilter, blockNumber, nil, trxIds)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("receipt cid retrieval error")
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return nil, true, err
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}
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}
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// Retrieve cached state CIDs
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if !streamFilter.StateFilter.Off {
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cw.StateNodes, err = ecr.RetrieveStateCIDs(tx, streamFilter.StateFilter, blockNumber)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("state cid retrieval error")
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return nil, true, err
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}
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}
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// Retrieve cached storage CIDs
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if !streamFilter.StorageFilter.Off {
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cw.StorageNodes, err = ecr.RetrieveStorageCIDs(tx, streamFilter.StorageFilter, blockNumber)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("storage cid retrieval error")
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return nil, true, err
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}
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}
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return cw, empty(cw), tx.Commit()
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}
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func empty(cidWrapper *CIDWrapper) bool {
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if len(cidWrapper.Transactions) > 0 || len(cidWrapper.Headers) > 0 || len(cidWrapper.Uncles) > 0 || len(cidWrapper.Receipts) > 0 || len(cidWrapper.StateNodes) > 0 || len(cidWrapper.StorageNodes) > 0 {
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return false
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}
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return true
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}
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// RetrieveHeaderCIDs retrieves and returns all of the header cids at the provided blockheight
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func (ecr *CIDRetriever) RetrieveHeaderCIDs(tx *sqlx.Tx, blockNumber int64) ([]HeaderModel, error) {
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log.Debug("retrieving header cids for block ", blockNumber)
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headers := make([]HeaderModel, 0)
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pgStr := `SELECT * FROM eth.header_cids
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WHERE block_number = $1`
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return headers, tx.Select(&headers, pgStr, blockNumber)
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}
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// RetrieveUncleCIDsByHeaderID retrieves and returns all of the uncle cids for the provided header
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func (ecr *CIDRetriever) RetrieveUncleCIDsByHeaderID(tx *sqlx.Tx, headerID int64) ([]UncleModel, error) {
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log.Debug("retrieving uncle cids for block id ", headerID)
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headers := make([]UncleModel, 0)
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pgStr := `SELECT * FROM eth.uncle_cids
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WHERE header_id = $1`
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return headers, tx.Select(&headers, pgStr, headerID)
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}
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// RetrieveTxCIDs retrieves and returns all of the trx cids at the provided blockheight that conform to the provided filter parameters
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// also returns the ids for the returned transaction cids
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func (ecr *CIDRetriever) RetrieveTxCIDs(tx *sqlx.Tx, txFilter TxFilter, blockNumber int64) ([]TxModel, error) {
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log.Debug("retrieving transaction cids for block ", blockNumber)
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args := make([]interface{}, 0, 3)
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results := make([]TxModel, 0)
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id := 1
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pgStr := fmt.Sprintf(`SELECT transaction_cids.id, transaction_cids.header_id,
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transaction_cids.tx_hash, transaction_cids.cid,
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transaction_cids.dst, transaction_cids.src, transaction_cids.index
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FROM eth.transaction_cids INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.id)
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WHERE header_cids.block_number = $%d`, id)
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args = append(args, blockNumber)
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id++
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if len(txFilter.Dst) > 0 {
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pgStr += fmt.Sprintf(` AND transaction_cids.dst = ANY($%d::VARCHAR(66)[])`, id)
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args = append(args, pq.Array(txFilter.Dst))
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id++
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}
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if len(txFilter.Src) > 0 {
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pgStr += fmt.Sprintf(` AND transaction_cids.src = ANY($%d::VARCHAR(66)[])`, id)
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args = append(args, pq.Array(txFilter.Src))
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}
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return results, tx.Select(&results, pgStr, args...)
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}
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// RetrieveRctCIDs retrieves and returns all of the rct cids at the provided blockheight that conform to the provided
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// filter parameters and correspond to the provided tx ids
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func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, blockNumber int64, blockHash *common.Hash, trxIds []int64) ([]ReceiptModel, error) {
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log.Debug("retrieving receipt cids for block ", blockNumber)
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id := 1
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args := make([]interface{}, 0, 4)
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pgStr := `SELECT receipt_cids.id, receipt_cids.tx_id, receipt_cids.cid,
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receipt_cids.contract, receipt_cids.topic0s, receipt_cids.topic1s,
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receipt_cids.topic2s, receipt_cids.topic3s
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FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
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WHERE receipt_cids.tx_id = transaction_cids.id
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AND transaction_cids.header_id = header_cids.id`
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if blockNumber > 0 {
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pgStr += fmt.Sprintf(` AND header_cids.block_number = $%d`, id)
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args = append(args, blockNumber)
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id++
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}
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if blockHash != nil {
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pgStr += fmt.Sprintf(` AND header_cids.block_hash = $%d`, id)
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args = append(args, blockHash.String())
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id++
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}
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if len(rctFilter.Contracts) > 0 {
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// Filter on contract addresses if there are any
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pgStr += fmt.Sprintf(` AND ((receipt_cids.contract = ANY($%d::VARCHAR(66)[])`, id)
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args = append(args, pq.Array(rctFilter.Contracts))
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id++
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// Filter on topics if there are any
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if len(rctFilter.Topics) > 0 {
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pgStr += " AND ("
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first := true
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for i, topicSet := range rctFilter.Topics {
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if i < 4 && len(topicSet) > 0 {
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if first {
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pgStr += fmt.Sprintf(`receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
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first = false
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} else {
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pgStr += fmt.Sprintf(` AND receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
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}
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args = append(args, pq.Array(topicSet))
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id++
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}
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}
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pgStr += ")"
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}
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pgStr += ")"
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// Filter on txIDs if there are any and we are matching txs
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if rctFilter.MatchTxs && len(trxIds) > 0 {
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pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
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args = append(args, pq.Array(trxIds))
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}
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pgStr += ")"
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} else { // If there are no contract addresses to filter on
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// Filter on topics if there are any
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if len(rctFilter.Topics) > 0 {
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pgStr += " AND (("
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first := true
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for i, topicSet := range rctFilter.Topics {
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if i < 4 && len(topicSet) > 0 {
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if first {
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pgStr += fmt.Sprintf(`receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
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first = false
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} else {
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pgStr += fmt.Sprintf(` AND receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
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}
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args = append(args, pq.Array(topicSet))
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id++
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}
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}
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pgStr += ")"
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// Filter on txIDs if there are any and we are matching txs
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if rctFilter.MatchTxs && len(trxIds) > 0 {
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pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
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args = append(args, pq.Array(trxIds))
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}
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pgStr += ")"
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} else if rctFilter.MatchTxs && len(trxIds) > 0 {
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// If there are no contract addresses or topics to filter on,
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// Filter on txIDs if there are any and we are matching txs
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pgStr += fmt.Sprintf(` AND receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
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args = append(args, pq.Array(trxIds))
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}
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}
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receiptCids := make([]ReceiptModel, 0)
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return receiptCids, tx.Select(&receiptCids, pgStr, args...)
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}
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// RetrieveStateCIDs retrieves and returns all of the state node cids at the provided blockheight that conform to the provided filter parameters
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func (ecr *CIDRetriever) RetrieveStateCIDs(tx *sqlx.Tx, stateFilter StateFilter, blockNumber int64) ([]StateNodeModel, error) {
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log.Debug("retrieving state cids for block ", blockNumber)
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args := make([]interface{}, 0, 2)
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pgStr := `SELECT state_cids.id, state_cids.header_id,
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state_cids.state_key, state_cids.leaf, state_cids.cid
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FROM eth.state_cids INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
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WHERE header_cids.block_number = $1`
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args = append(args, blockNumber)
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addrLen := len(stateFilter.Addresses)
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if addrLen > 0 {
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keys := make([]string, addrLen)
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for i, addr := range stateFilter.Addresses {
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keys[i] = crypto.Keccak256Hash(common.HexToAddress(addr).Bytes()).String()
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}
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pgStr += ` AND state_cids.state_key = ANY($2::VARCHAR(66)[])`
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args = append(args, pq.Array(keys))
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}
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if !stateFilter.IntermediateNodes {
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pgStr += ` AND state_cids.leaf = TRUE`
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}
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stateNodeCIDs := make([]StateNodeModel, 0)
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return stateNodeCIDs, tx.Select(&stateNodeCIDs, pgStr, args...)
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}
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// RetrieveStorageCIDs retrieves and returns all of the storage node cids at the provided blockheight that conform to the provided filter parameters
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func (ecr *CIDRetriever) RetrieveStorageCIDs(tx *sqlx.Tx, storageFilter StorageFilter, blockNumber int64) ([]StorageNodeWithStateKeyModel, error) {
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log.Debug("retrieving storage cids for block ", blockNumber)
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args := make([]interface{}, 0, 3)
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id := 1
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pgStr := fmt.Sprintf(`SELECT storage_cids.id, storage_cids.state_id, storage_cids.storage_key,
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storage_cids.leaf, storage_cids.cid, state_cids.state_key FROM eth.storage_cids, eth.state_cids, eth.header_cids
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WHERE storage_cids.state_id = state_cids.id
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AND state_cids.header_id = header_cids.id
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AND header_cids.block_number = $%d`, id)
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args = append(args, blockNumber)
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id++
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addrLen := len(storageFilter.Addresses)
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if addrLen > 0 {
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keys := make([]string, addrLen)
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for i, addr := range storageFilter.Addresses {
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keys[i] = crypto.Keccak256Hash(common.HexToAddress(addr).Bytes()).String()
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}
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pgStr += fmt.Sprintf(` AND state_cids.state_key = ANY($%d::VARCHAR(66)[])`, id)
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args = append(args, pq.Array(keys))
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id++
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}
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if len(storageFilter.StorageKeys) > 0 {
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pgStr += fmt.Sprintf(` AND storage_cids.storage_key = ANY($%d::VARCHAR(66)[])`, id)
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args = append(args, pq.Array(storageFilter.StorageKeys))
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}
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if !storageFilter.IntermediateNodes {
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pgStr += ` AND storage_cids.leaf = TRUE`
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}
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storageNodeCIDs := make([]StorageNodeWithStateKeyModel, 0)
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return storageNodeCIDs, tx.Select(&storageNodeCIDs, pgStr, args...)
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}
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// RetrieveGapsInData is used to find the the block numbers at which we are missing data in the db
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func (ecr *CIDRetriever) RetrieveGapsInData() ([]shared.Gap, error) {
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pgStr := `SELECT header_cids.block_number + 1 AS start, min(fr.block_number) - 1 AS stop FROM eth.header_cids
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LEFT JOIN eth.header_cids r on eth.header_cids.block_number = r.block_number - 1
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LEFT JOIN eth.header_cids fr on eth.header_cids.block_number < fr.block_number
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WHERE r.block_number is NULL and fr.block_number IS NOT NULL
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GROUP BY header_cids.block_number, r.block_number`
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results := make([]struct {
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Start uint64 `db:"start"`
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Stop uint64 `db:"stop"`
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}, 0)
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err := ecr.db.Select(&results, pgStr)
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if err != nil {
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return nil, err
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}
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gaps := make([]shared.Gap, len(results))
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for i, res := range results {
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gaps[i] = shared.Gap{
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Start: res.Start,
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Stop: res.Stop,
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}
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}
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return gaps, nil
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}
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// RetrieveBlockByHash returns all of the CIDs needed to compose an entire block, for a given block hash
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func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (HeaderModel, []UncleModel, []TxModel, []ReceiptModel, error) {
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log.Debug("retrieving block cids for block hash ", blockHash.String())
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tx, err := ecr.db.Beginx()
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if err != nil {
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return HeaderModel{}, nil, nil, nil, err
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}
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headerCID, err := ecr.RetrieveHeaderCIDByHash(tx, blockHash)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("header cid retrieval error")
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return HeaderModel{}, nil, nil, nil, err
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}
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uncleCIDs, err := ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID.ID)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("uncle cid retrieval error")
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return HeaderModel{}, nil, nil, nil, err
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}
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txCIDs, err := ecr.RetrieveTxCIDsByHeaderID(tx, headerCID.ID)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("tx cid retrieval error")
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return HeaderModel{}, nil, nil, nil, err
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}
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txIDs := make([]int64, len(txCIDs))
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for i, txCID := range txCIDs {
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txIDs[i] = txCID.ID
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}
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rctCIDs, err := ecr.RetrieveReceiptCIDsByTxIDs(tx, txIDs)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("rct cid retrieval error")
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return HeaderModel{}, nil, nil, nil, err
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}
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return headerCID, uncleCIDs, txCIDs, rctCIDs, tx.Commit()
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}
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// RetrieveBlockByNumber returns all of the CIDs needed to compose an entire block, for a given block number
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func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (HeaderModel, []UncleModel, []TxModel, []ReceiptModel, error) {
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log.Debug("retrieving block cids for block number ", blockNumber)
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tx, err := ecr.db.Beginx()
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if err != nil {
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return HeaderModel{}, nil, nil, nil, err
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}
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headerCID, err := ecr.RetrieveHeaderCIDs(tx, blockNumber)
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if err != nil {
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if err := tx.Rollback(); err != nil {
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log.Error(err)
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}
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log.Error("header cid retrieval error")
|
|
return HeaderModel{}, nil, nil, nil, err
|
|
}
|
|
if len(headerCID) < 1 {
|
|
return HeaderModel{}, nil, nil, nil, fmt.Errorf("header cid retrieval error, no header CIDs found at block %d", blockNumber)
|
|
}
|
|
uncleCIDs, err := ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID[0].ID)
|
|
if err != nil {
|
|
if err := tx.Rollback(); err != nil {
|
|
log.Error(err)
|
|
}
|
|
log.Error("uncle cid retrieval error")
|
|
return HeaderModel{}, nil, nil, nil, err
|
|
}
|
|
txCIDs, err := ecr.RetrieveTxCIDsByHeaderID(tx, headerCID[0].ID)
|
|
if err != nil {
|
|
if err := tx.Rollback(); err != nil {
|
|
log.Error(err)
|
|
}
|
|
log.Error("tx cid retrieval error")
|
|
return HeaderModel{}, nil, nil, nil, err
|
|
}
|
|
txIDs := make([]int64, len(txCIDs))
|
|
for i, txCID := range txCIDs {
|
|
txIDs[i] = txCID.ID
|
|
}
|
|
rctCIDs, err := ecr.RetrieveReceiptCIDsByTxIDs(tx, txIDs)
|
|
if err != nil {
|
|
if err := tx.Rollback(); err != nil {
|
|
log.Error(err)
|
|
}
|
|
log.Error("rct cid retrieval error")
|
|
return HeaderModel{}, nil, nil, nil, err
|
|
}
|
|
return headerCID[0], uncleCIDs, txCIDs, rctCIDs, tx.Commit()
|
|
}
|
|
|
|
// RetrieveHeaderCIDByHash returns the header for the given block hash
|
|
func (ecr *CIDRetriever) RetrieveHeaderCIDByHash(tx *sqlx.Tx, blockHash common.Hash) (HeaderModel, error) {
|
|
log.Debug("retrieving header cids for block hash ", blockHash.String())
|
|
pgStr := `SELECT * FROM eth.header_cids
|
|
WHERE block_hash = $1`
|
|
var headerCID HeaderModel
|
|
return headerCID, tx.Get(&headerCID, pgStr, blockHash.String())
|
|
}
|
|
|
|
// RetrieveTxCIDsByHeaderID retrieves all tx CIDs for the given header id
|
|
func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderID(tx *sqlx.Tx, headerID int64) ([]TxModel, error) {
|
|
log.Debug("retrieving tx cids for block id ", headerID)
|
|
pgStr := `SELECT * FROM eth.transaction_cids
|
|
WHERE header_id = $1`
|
|
var txCIDs []TxModel
|
|
return txCIDs, tx.Select(&txCIDs, pgStr, headerID)
|
|
}
|
|
|
|
// RetrieveReceiptCIDsByTxIDs retrieves receipt CIDs by their associated tx IDs
|
|
func (ecr *CIDRetriever) RetrieveReceiptCIDsByTxIDs(tx *sqlx.Tx, txIDs []int64) ([]ReceiptModel, error) {
|
|
log.Debugf("retrieving receipt cids for tx ids %v", txIDs)
|
|
pgStr := `SELECT * FROM eth.receipt_cids
|
|
WHERE tx_id = ANY($1::INTEGER[])`
|
|
var rctCIDs []ReceiptModel
|
|
return rctCIDs, tx.Select(&rctCIDs, pgStr, pq.Array(txIDs))
|
|
}
|