ipld-eth-server/pkg/history/populate_blocks.go
Matt Krump 06f78e0083 Handle events
- Adds interfaces for developers to build handlers that update data in
response to log events
- Resolves #29
2018-03-05 10:01:50 -06:00

26 lines
863 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 := blockchain.GetBlockByNumber(blockNumber)
blockRepository.CreateOrUpdateBlock(block)
}
return len(blockNumbers)
}