ipld-eth-server/pkg/history/populate_headers.go
Rob Mulholand ba071ef13f Consolidate test doubles
- Migrate various mocks of core namespaces to shared version in `fakes` pkg
- Err on the side of making test doubles less sophisticated
- Don't pull over mocks of namespaces that are only used in example code
2018-11-03 13:49:23 -05:00

30 lines
1.0 KiB
Go

package history
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore"
"log"
)
func PopulateMissingHeaders(blockchain core.BlockChain, headerRepository datastore.HeaderRepository, startingBlockNumber int64) int {
lastBlock := blockchain.LastBlock().Int64()
blockRange := headerRepository.MissingBlockNumbers(startingBlockNumber, lastBlock, blockchain.Node().ID)
log.SetPrefix("")
log.Printf("Backfilling %d blocks\n\n", len(blockRange))
RetrieveAndUpdateHeaders(blockchain, headerRepository, blockRange)
return len(blockRange)
}
func RetrieveAndUpdateHeaders(blockchain core.BlockChain, headerRepository datastore.HeaderRepository, blockNumbers []int64) int {
for _, blockNumber := range blockNumbers {
header, err := blockchain.GetHeaderByNumber(blockNumber)
if err != nil {
log.Printf("failed to retrieve block number: %d\n", blockNumber)
return 0
}
// TODO: handle possible error here
headerRepository.CreateOrUpdateHeader(header)
}
return len(blockNumbers)
}