code: func fblockHead() (interfaces.IFBlock, error) {
  	fblockID := "000000000000000000000000000000000000000000000000000000000000000f"
  
  	dbhead, err := factom.GetDBlockHead()
  	if err != nil {
  		return nil, err
  	}
  	dblock, err := factom.GetDBlock(dbhead)
  	if err != nil {
  		return nil, err
  	}
  
  	var fblockmr string
  	for _, eblock := range dblock.EntryBlockList {
  		if eblock.ChainID == fblockID {
  			fblockmr = eblock.KeyMR
  		}
  	}
  	if fblockmr == "" {
  		return nil, err
  	}
  
  	return getfblock(fblockmr)
  }
docs: // fblockHead gets the most recent fblock.