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/*
This file is part of TALER
Copyright (C) 2016,2018 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file include/taler_wire_lib.h
* @brief Interface for loading and unloading wire plugins
* @author Christian Grothoff <christian@grothoff.org>
*/
#ifndef TALER_WIRE_H
#define TALER_WIRE_H
#include <gnunet/gnunet_util_lib.h>
/**
* Different account types supported by payto://.
*/
enum TALER_PaytoAccountType
{
/**
* Used to indicate an uninitialized struct.
*/
TALER_PAC_NONE = 0,
/**
* Account type of a bank running the x-taler-bank protocol.
*/
TALER_PAC_X_TALER_BANK,
/**
* Account identified by IBAN number.
*/
TALER_PAC_IBAN
};
/**
* Information about an account extracted from a payto://-URL.
*/
struct TALER_Account
{
/**
* How this the account represented.
*/
enum TALER_PaytoAccountType type;
/**
* Internals depending on @e type.
*/
union
{
/**
* Taler bank address from x-taler-bank. Set if
* @e type is #TALER_AC_X_TALER_BANK.
*/
struct
{
/**
* Bank account base URL.
*/
char *account_base_url;
/**
* Only the hostname of the bank.
*/
char *hostname;
} x_taler_bank;
/**
* Taler bank address from iban. Set if
* @e type is #TALER_AC_IBAN.
*/
struct
{
/**
* IBAN number.
*/
char *number;
} iban;
} details;
};
/**
* Release memory allocated in @a acc.
*
* @param acc account to free, the pointer itself is NOT free'd.
*/
void
TALER_WIRE_account_free (struct TALER_Account *acc);
/**
* Round the amount to something that can be
* transferred on the wire.
*
* @param[in,out] amount amount to round down
* @return #GNUNET_OK on success, #GNUNET_NO if rounding was unnecessary,
* #GNUNET_SYSERR if the amount or currency was invalid
*/
int
TALER_WIRE_amount_round (struct TALER_Amount *amount);
/**
* Parse @a payto_url and store the result in @a acc
*
* @param payto_url URL to parse
* @param acc[in,out] account to initialize, free using #TALER_WIRE_account_free() later
* @return #TALER_EC_NONE if @a payto_url is well-formed
*/
enum TALER_ErrorCode
TALER_WIRE_payto_to_account (const char *payto_url,
struct TALER_Account *acc);
/**
* Obtain the payment method from a @a payto_url
*
* @param payto_url the URL to parse
* @return NULL on error (malformed @a payto_url)
*/
char *
TALER_WIRE_payto_get_method (const char *payto_url);
#endif
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