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/*
This file is part of GNUnet.
Copyright (C) 2020 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @author Tobias Frisch
* @file src/messenger/messenger_api_contact.h
* @brief messenger api: client implementation of GNUnet MESSENGER service
*/
#ifndef GNUNET_MESSENGER_API_CONTACT_H
#define GNUNET_MESSENGER_API_CONTACT_H
#include "platform.h"
#include "gnunet_crypto_lib.h"
#include "gnunet_identity_service.h"
struct GNUNET_MESSENGER_Contact
{
char *name;
struct GNUNET_IDENTITY_PublicKey public_key;
};
/**
* Creates and allocates a new contact with a given public <i>key</i> from an EGO.
*
* @param key Public key
* @return New contact
*/
struct GNUNET_MESSENGER_Contact*
create_contact (const struct GNUNET_IDENTITY_PublicKey *key);
/**
* Destroys a contact and frees its memory fully.
*
* @param contact Contact
*/
void
destroy_contact (struct GNUNET_MESSENGER_Contact *contact);
/**
* Returns the current name of a given <i>contact</i> or NULL if no valid name was assigned yet.
*
* @param contact Contact
* @return Name of the contact or NULL
*/
const char*
get_contact_name (const struct GNUNET_MESSENGER_Contact *contact);
/**
* Changes the current name of a given <i>contact</i> by copying it from the parameter <i>name</i>.
*
* @param contact Contact
* @param name Valid name (may not be NULL!)
*/
void
set_contact_name (struct GNUNET_MESSENGER_Contact *contact, const char *name);
/**
* Returns the public key of a given <i>contact</i>.
*
* @param contact Contact
* @return Public key of the contact
*/
const struct GNUNET_IDENTITY_PublicKey*
get_contact_key (const struct GNUNET_MESSENGER_Contact *contact);
/**
* Returns the resulting hashcode of the public key from a given <i>contact</i>.
*
* @param contact Contact
* @return Hash of the contacts public key
*/
const struct GNUNET_HashCode*
get_contact_id_from_key (const struct GNUNET_MESSENGER_Contact *contact);
#endif //GNUNET_MESSENGER_API_CONTACT_H
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