package Ġjp . dat ach ain . cord a . ib c . ics 2 3 Ċ Ċ import Ġcom . google . protobuf . ByteString Ċ import Ġnet . cord a . core . serialization . C ord a Serializable Ċ import Ġnet . cord a . core . utilities . Opaque Bytes Ċ Ċ @ C ord a Serializable Ċ class ĠCommit ment Proof ( proof : ĠByte String ): ĠO pa que Bytes ( proof . toByteArray ()) Ġ{ ĊĠĠĠ Ġfun Ġto ByteString () Ġ= ĠByte String . copyFrom ( bytes ) !! Ċ }