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utils.go
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/
utils.go
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package chaintracker
import "time"
func exponentialBackoff(baseTime time.Duration, fails uint64) time.Duration {
if fails > maxFails {
fails = maxFails
}
maxIncrease := BACKOFF_MAX_TIME
backoff := baseTime * (1 << fails)
if backoff > maxIncrease {
backoff = maxIncrease
}
return backoff
}
func FindRequestedBlockHash(requestedHashes []*BlockStore, requestBlock, toBlock, fromBlock int64, finalizedBlockHashes map[int64]interface{}) (requestedBlockHash []byte, finalizedBlockHashesMapRet map[int64]interface{}) {
for _, block := range requestedHashes {
if block.Block == requestBlock {
requestedBlockHash = []byte(block.Hash)
if int64(len(requestedHashes)) == (toBlock - fromBlock + 1) {
finalizedBlockHashes[block.Block] = block.Hash
}
} else {
finalizedBlockHashes[block.Block] = block.Hash
}
}
return requestedBlockHash, finalizedBlockHashes
}
func BuildProofFromBlocks(requestedHashes []*BlockStore) map[int64]interface{} {
finalizedBlockHashes := map[int64]interface{}{}
for _, block := range requestedHashes {
finalizedBlockHashes[block.Block] = block.Hash
}
return finalizedBlockHashes
}