ipld-eth-beacon-indexer/pkg/shared/functions.go

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2022-05-13 02:10:31 +00:00
package shared
import (
blockstore "github.com/ipfs/go-ipfs-blockstore"
dshelp "github.com/ipfs/go-ipfs-ds-help"
"github.com/multiformats/go-multihash"
)
const SSZ_SHA2_256_PREFIX int = 0xb501
// MultihashKeyFromSSZRoot converts a SSZ-SHA2-256 root hash into a blockstore prefixed multihash key
func MultihashKeyFromSSZRoot(root []byte) (string, error) {
mh, err := multihash.Encode(root, SSZ_SHA2_256_PREFIX)
if err != nil {
return "", err
}
dbKey := dshelp.MultihashToDsKey(mh)
return blockstore.BlockPrefix.String() + dbKey.String(), nil
}