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core, eth: drop database block splitting upgrader

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This commit is contained in:
Péter Szilágyi
2017-02-28 13:41:02 +02:00
parent dbd88a1aa4
commit 46bcd9a92c
3 changed files with 0 additions and 80 deletions
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18
core/database_util.go
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@ -539,24 +539,6 @@ func DeleteReceipt(db ethdb.Database, hash common.Hash) {
db.Delete(append(receiptsPrefix, hash.Bytes()...))
}
// [deprecated by the header/block split, remove eventually]
// GetBlockByHashOld returns the old combined block corresponding to the hash
// or nil if not found. This method is only used by the upgrade mechanism to
// access the old combined block representation. It will be dropped after the
// network transitions to eth/63.
func GetBlockByHashOld(db ethdb.Database, hash common.Hash) *types.Block {
data, _ := db.Get(append(oldBlockHashPrefix, hash[:]...))
if len(data) == 0 {
return nil
}
var block types.StorageBlock
if err := rlp.Decode(bytes.NewReader(data), &block); err != nil {
log.Error(fmt.Sprintf("invalid block RLP for hash %x: %v", hash, err))
return nil
}
return (*types.Block)(&block)
}
// returns a formatted MIP mapped key by adding prefix, canonical number and level
//
// ex. fn(98, 1000) = (prefix || 1000 || 0)