31 lines
1008 B
Go
31 lines
1008 B
Go
package history
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import (
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"log"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore"
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)
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func PopulateMissingBlocks(blockchain core.Blockchain, blockRepository datastore.BlockRepository, startingBlockNumber int64) int {
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lastBlock := blockchain.LastBlock().Int64()
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blockRange := blockRepository.MissingBlockNumbers(startingBlockNumber, lastBlock-1)
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log.SetPrefix("")
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log.Printf("Backfilling %d blocks\n\n", len(blockRange))
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RetrieveAndUpdateBlocks(blockchain, blockRepository, blockRange)
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return len(blockRange)
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}
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func RetrieveAndUpdateBlocks(blockchain core.Blockchain, blockRepository datastore.BlockRepository, blockNumbers []int64) int {
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for _, blockNumber := range blockNumbers {
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block, err := blockchain.GetBlockByNumber(blockNumber)
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if err != nil {
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log.Printf("failed to retrieve block number: %d\n", blockNumber)
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return 0
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}
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// TODO: handle possible error here
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blockRepository.CreateOrUpdateBlock(block)
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}
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return len(blockNumbers)
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}
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