code: func (lp *LocalProfile) SetKey(prvkey *ecdsa.PrivateKey) {
  	lp.privateKey = prvkey
  	lp.publicKey = &prvkey.PublicKey
  }
docs: // func (self *LocalProfile) PublicKey() *ecdsa.PublicKey {
  // 	return self.publicKey
  // }
  // SetKey set's private and public key on localProfile