64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
// VulcanizeDB
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// Copyright © 2018 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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)
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func PopulateMissingBlocks(blockchain core.BlockChain, blockRepository datastore.BlockRepository, 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("PopulateMissingBlocks: error getting last block: ", err)
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return 0, err
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}
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blockRange := blockRepository.MissingBlockNumbers(startingBlockNumber, lastBlock.Int64(), blockchain.Node().ID)
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if len(blockRange) == 0 {
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return 0, nil
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}
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log.Printf("Backfilling %d blocks\n\n", len(blockRange))
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_, err = RetrieveAndUpdateBlocks(blockchain, blockRepository, blockRange)
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if err != nil {
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log.Error("PopulateMissingBlocks: error gettings/updating blocks: ", err)
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return 0, err
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}
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return len(blockRange), nil
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}
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func RetrieveAndUpdateBlocks(blockchain core.BlockChain, blockRepository datastore.BlockRepository, blockNumbers []int64) (int, error) {
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for _, blockNumber := range blockNumbers {
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block, err := blockchain.GetBlockByNumber(blockNumber)
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if err != nil {
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log.Error("RetrieveAndUpdateBlocks: error getting block: ", err)
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return 0, err
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}
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_, err = blockRepository.CreateOrUpdateBlock(block)
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if err != nil {
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log.Error("RetrieveAndUpdateBlocks: error creating/updating block: ", err)
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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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