51 lines
1.7 KiB
Go
51 lines
1.7 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2018 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 history
|
|
|
|
import (
|
|
log "github.com/sirupsen/logrus"
|
|
|
|
"github.com/vulcanize/vulcanizedb/pkg/core"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore"
|
|
)
|
|
|
|
func PopulateMissingBlocks(blockchain core.BlockChain, blockRepository datastore.BlockRepository, startingBlockNumber int64) int {
|
|
lastBlock := blockchain.LastBlock().Int64()
|
|
blockRange := blockRepository.MissingBlockNumbers(startingBlockNumber, lastBlock, blockchain.Node().ID)
|
|
|
|
if len(blockRange) == 0 {
|
|
return 0
|
|
}
|
|
|
|
log.Printf("Backfilling %d blocks\n\n", len(blockRange))
|
|
RetrieveAndUpdateBlocks(blockchain, blockRepository, blockRange)
|
|
return len(blockRange)
|
|
}
|
|
|
|
func RetrieveAndUpdateBlocks(blockchain core.BlockChain, blockRepository datastore.BlockRepository, blockNumbers []int64) int {
|
|
for _, blockNumber := range blockNumbers {
|
|
block, err := blockchain.GetBlockByNumber(blockNumber)
|
|
if err != nil {
|
|
log.Printf("failed to retrieve block number: %d\n", blockNumber)
|
|
return 0
|
|
}
|
|
// TODO: handle possible error here
|
|
blockRepository.CreateOrUpdateBlock(block)
|
|
}
|
|
return len(blockNumbers)
|
|
}
|