code: public BlockInfo getBlockInfo(final long blockId) throws IOException {
      return retryRPC(() -> {
        return GrpcUtils.fromProto(
            mClient.getBlockInfo(GetBlockInfoPRequest.newBuilder().setBlockId(blockId).build())
                .getBlockInfo());
      });
    }
docs: Returns the {@link BlockInfo} for a block id.
  
  @param blockId the block id to get the BlockInfo for
  @return the {@link BlockInfo}