function setBonding(address _bonding)
  public
  onlyRole(ADMIN_ROLE, "Must have admin privs")
{
  require(_bonding != address(0), "Cannot use address 0");
  _swapRole(_bonding, bonding, REINVESTOR_ROLE);
  bonding = _bonding;
}
function setBonding(address _bonding)
  public
  onlyRole(ADMIN_ROLE, "Must have admin privs")
{
  require(_bonding != address(0), "Cannot use address 0");
  _swapRole(_bonding, bonding, BONDING_ROLE);
  bonding = _bonding;
}
