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/*
This file is part of TALER
Copyright (C) 2021 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 json/json_pack.c
* @brief helper functions for JSON object packing
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include "taler_util.h"
#include "taler_json_lib.h"
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_time_abs_human (const char *name,
struct GNUNET_TIME_Absolute at)
{
struct GNUNET_JSON_PackSpec ps = {
.field_name = name,
.object = json_string (
GNUNET_STRINGS_absolute_time_to_string (at))
};
return ps;
}
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_time_abs_nbo_human (const char *name,
struct GNUNET_TIME_AbsoluteNBO at)
{
return TALER_JSON_pack_time_abs_human (name,
GNUNET_TIME_absolute_ntoh (at));
}
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_denom_pub (
const char *name,
const struct TALER_DenominationPublicKey *pk)
{
struct GNUNET_JSON_PackSpec ps = {
.field_name = name,
};
switch (pk->cipher)
{
case TALER_DENOMINATION_RSA:
ps.object
= GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_RSA),
GNUNET_JSON_pack_uint64 ("age_mask",
pk->age_mask.mask),
GNUNET_JSON_pack_rsa_public_key ("rsa_public_key",
pk->details.rsa_public_key));
break;
case TALER_DENOMINATION_CS:
ps.object
= GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_CS),
GNUNET_JSON_pack_uint64 ("age_mask",
pk->age_mask.mask),
GNUNET_JSON_pack_data_varsize ("cs_public_key",
&pk->details.cs_public_key,
sizeof (pk->details.cs_public_key)));
break;
default:
GNUNET_assert (0);
}
return ps;
}
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_denom_sig (
const char *name,
const struct TALER_DenominationSignature *sig)
{
struct GNUNET_JSON_PackSpec ps = {
.field_name = name,
};
switch (sig->cipher)
{
case TALER_DENOMINATION_RSA:
ps.object = GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_RSA),
GNUNET_JSON_pack_rsa_signature ("rsa_signature",
sig->details.rsa_signature));
break;
case TALER_DENOMINATION_CS:
ps.object = GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_CS),
GNUNET_JSON_pack_data_auto ("cs_signature_r",
&sig->details.cs_signature.r_point),
GNUNET_JSON_pack_data_auto ("cs_signature_s",
&sig->details.cs_signature.s_scalar));
break;
default:
GNUNET_assert (0);
}
return ps;
}
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_blinded_denom_sig (
const char *name,
const struct TALER_BlindedDenominationSignature *sig)
{
struct GNUNET_JSON_PackSpec ps = {
.field_name = name,
};
switch (sig->cipher)
{
case TALER_DENOMINATION_RSA:
ps.object = GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_RSA),
GNUNET_JSON_pack_rsa_signature ("blinded_rsa_signature",
sig->details.blinded_rsa_signature));
break;
case TALER_DENOMINATION_CS:
ps.object = GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_CS),
GNUNET_JSON_pack_uint64 ("b",
sig->details.blinded_cs_answer.b),
GNUNET_JSON_pack_data_auto ("s",
&sig->details.blinded_cs_answer.s_scalar));
break;
default:
GNUNET_assert (0);
}
return ps;
}
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_blinded_planchet (
const char *name,
const struct TALER_BlindedPlanchet *blinded_planchet)
{
struct GNUNET_JSON_PackSpec ps = {
.field_name = name,
};
switch (blinded_planchet->cipher)
{
case TALER_DENOMINATION_RSA:
ps.object = GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_RSA),
GNUNET_JSON_pack_data_varsize (
"rsa_blinded_planchet",
blinded_planchet->details.rsa_blinded_planchet.blinded_msg,
blinded_planchet->details.rsa_blinded_planchet.blinded_msg_size));
break;
case TALER_DENOMINATION_CS:
ps.object = GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("cipher",
TALER_DENOMINATION_CS),
GNUNET_JSON_pack_data_auto (
"cs_nonce",
&blinded_planchet->details.cs_blinded_planchet.nonce),
GNUNET_JSON_pack_data_auto (
"cs_blinded_c0",
&blinded_planchet->details.cs_blinded_planchet.c[0]),
GNUNET_JSON_pack_data_auto (
"cs_blinded_c1",
&blinded_planchet->details.cs_blinded_planchet.c[1]));
break;
default:
GNUNET_assert (0);
}
return ps;
}
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_amount (const char *name,
const struct TALER_Amount *amount)
{
struct GNUNET_JSON_PackSpec ps = {
.field_name = name,
.object = (NULL != amount)
? TALER_JSON_from_amount (amount)
: NULL
};
return ps;
}
struct GNUNET_JSON_PackSpec
TALER_JSON_pack_amount_nbo (const char *name,
const struct TALER_AmountNBO *amount)
{
struct GNUNET_JSON_PackSpec ps = {
.field_name = name,
.object = (NULL != amount)
? TALER_JSON_from_amount_nbo (amount)
: NULL
};
return ps;
}
/* End of json/json_pack.c */
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