64 lines
2.2 KiB
Go
64 lines
2.2 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 history
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import (
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log "github.com/sirupsen/logrus"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
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)
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func PopulateMissingHeaders(blockchain core.BlockChain, headerRepository datastore.HeaderRepository, startingBlockNumber int64) (int, error) {
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lastBlock, err := blockchain.LastBlock()
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if err != nil {
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log.Error("PopulateMissingHeaders: Error getting last block: ", err)
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return 0, err
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}
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blockNumbers, err := headerRepository.MissingBlockNumbers(startingBlockNumber, lastBlock.Int64(), blockchain.Node().ID)
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if err != nil {
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log.Error("PopulateMissingHeaders: Error getting missing block numbers: ", err)
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return 0, err
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} else if len(blockNumbers) == 0 {
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return 0, nil
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}
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log.Printf("Backfilling %d blocks\n\n", len(blockNumbers))
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_, err = RetrieveAndUpdateHeaders(blockchain, headerRepository, blockNumbers)
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if err != nil {
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log.Error("PopulateMissingHeaders: Error getting/updating headers:", err)
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return 0, err
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}
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return len(blockNumbers), nil
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}
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func RetrieveAndUpdateHeaders(chain core.BlockChain, headerRepository datastore.HeaderRepository, blockNumbers []int64) (int, error) {
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headers, err := chain.GetHeaderByNumbers(blockNumbers)
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for _, header := range headers {
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_, err = headerRepository.CreateOrUpdateHeader(header)
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if err != nil {
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if err == repositories.ErrValidHeaderExists {
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continue
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}
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return 0, err
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}
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}
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return len(blockNumbers), nil
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}
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