ipld-eth-server/pkg/history/populate_blocks.go
Matt K 8a9395819c Get transactions (#45)
* Make transactions requests in parallel

* Update transaction error handling
2018-03-27 16:06:12 -05:00

30 lines
970 B
Go

package history
import (
"log"
"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-1)
log.SetPrefix("")
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
}
blockRepository.CreateOrUpdateBlock(block)
}
return len(blockNumbers)
}