forked from cerc-io/ipld-eth-server
50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
package history
|
|
|
|
import (
|
|
log "github.com/sirupsen/logrus"
|
|
|
|
"github.com/vulcanize/vulcanizedb/pkg/core"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
|
|
)
|
|
|
|
func PopulateMissingHeaders(blockchain core.BlockChain, headerRepository datastore.HeaderRepository, startingBlockNumber int64) (int, error) {
|
|
lastBlock := blockchain.LastBlock().Int64()
|
|
headerAlreadyExists, err := headerRepository.HeaderExists(lastBlock)
|
|
|
|
if err != nil {
|
|
log.Error("Error in checking header in PopulateMissingHeaders: ", err)
|
|
return 0, err
|
|
} else if headerAlreadyExists {
|
|
return 0, nil
|
|
}
|
|
|
|
blockNumbers, err := headerRepository.MissingBlockNumbers(startingBlockNumber, lastBlock, blockchain.Node().ID)
|
|
if err != nil {
|
|
log.Error("Error getting missing block numbers in PopulateMissingHeaders: ", err)
|
|
return 0, err
|
|
}
|
|
|
|
log.Printf("Backfilling %d blocks\n\n", len(blockNumbers))
|
|
_, err = RetrieveAndUpdateHeaders(blockchain, headerRepository, blockNumbers)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return len(blockNumbers), nil
|
|
}
|
|
|
|
func RetrieveAndUpdateHeaders(chain core.BlockChain, headerRepository datastore.HeaderRepository, blockNumbers []int64) (int, error) {
|
|
headers, err := chain.GetHeaderByNumbers(blockNumbers)
|
|
for _, header := range headers {
|
|
_, err = headerRepository.CreateOrUpdateHeader(header)
|
|
if err != nil {
|
|
if err == repositories.ErrValidHeaderExists {
|
|
continue
|
|
}
|
|
return 0, err
|
|
}
|
|
}
|
|
|
|
return len(blockNumbers), nil
|
|
}
|