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-cleanup age-withdraw_reveal

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This commit is contained in:
Özgür Kesim 2023-03-06 13:04:26 +01:00
parent 70645cbb1b
commit af1001bc42
Signed by: oec
GPG Key ID: 3D76A56D79EDD9D7
1 changed files with 25 additions and 37 deletions
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58
src/exchange/taler-exchange-httpd_age-withdraw_reveal.c
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@ -116,17 +116,17 @@ handle_age_withdraw_reveal_json (
error = "denoms_h must not be empty";
else if (actx->num_coins != json_array_size (j_coin_evs))
error = "denoms_h and coins_evs must be arrays of the same size";
else if (actx->num_coins > TALER_MAX_FRESH_COINS)
/**
* The wallet had committed to more than the maximum coins allowed, the
* reserve has been charged, but now the user can not withdraw any money
* from it. Note that the user can't get their money back in this case!
**/
error = "maximum number of coins that can be withdrawn has been exceeded";
else if (actx->num_coins * (TALER_CNC_KAPPA - 1)
!= json_array_size (j_disclosed_coins))
error = "the size of array disclosed_coins must be "
TALER_CNC_KAPPA_MINUS_ONE_STR " times of the size of denoms_h";
else if (actx->num_coins > TALER_MAX_FRESH_COINS)
/**
* FIXME?: If the user had commited to more than the maximum coins allowed,
* the reserve has been charged, but now the user can not withdraw any money
* from it. How can the user get their money back?
**/
error = "maximum number of coins that can be withdrawn has been exceeded";
TALER_CNC_KAPPA_MINUS_ONE_STR " times the size of denoms_h";
if (NULL != error)
return TALER_MHD_reply_with_error (connection,
@ -135,22 +135,23 @@ handle_age_withdraw_reveal_json (
error);
}
/* Parse denomination keys */
/* Continue parsing the parts */
{
unsigned int idx;
json_t *jh;
unsigned int idx = 0;
json_t *value = NULL;
/* Parse denomination keys */
actx->denoms_h = GNUNET_new_array (actx->num_coins,
struct TALER_DenominationHashP);
json_array_foreach (j_denoms_h, idx, jh) {
json_array_foreach (j_denoms_h, idx, value) {
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto (NULL, &actx->denoms_h[idx]),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (jh, spec, NULL, NULL))
GNUNET_JSON_parse (value, spec, NULL, NULL))
{
char msg[256] = {0};
GNUNET_snprintf (msg,
@ -161,28 +162,22 @@ handle_age_withdraw_reveal_json (
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
msg);
goto EXIT;
goto CLEANUP;
}
};
}
/* Parse blinded envelopes */
{
unsigned int idx;
json_t *ce;
actx->coin_evs = GNUNET_new_array (actx->num_coins,
struct TALER_BlindedCoinHashP);
json_array_foreach (j_coin_evs, idx, ce) {
json_array_foreach (j_coin_evs, idx, value) {
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto (NULL, &actx->coin_evs[idx]),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (ce, spec, NULL, NULL))
GNUNET_JSON_parse (value, spec, NULL, NULL))
{
char msg[256] = {0};
GNUNET_snprintf (msg,
@ -193,28 +188,23 @@ handle_age_withdraw_reveal_json (
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
msg);
goto EXIT;
goto CLEANUP;
}
};
}
/* Parse diclosed keys */
{
unsigned int idx;
json_t *dc;
actx->disclosed_coins = GNUNET_new_array (
actx->num_coins * (TALER_CNC_KAPPA),
actx->num_coins * (TALER_CNC_KAPPA - 1),
struct GNUNET_CRYPTO_EddsaPrivateKey);
json_array_foreach (j_coin_evs, idx, dc) {
json_array_foreach (j_disclosed_coins, idx, value) {
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto (NULL, &actx->disclosed_coins[idx]),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (dc, spec, NULL, NULL))
GNUNET_JSON_parse (value, spec, NULL, NULL))
{
char msg[256] = {0};
GNUNET_snprintf (msg,
@ -225,10 +215,9 @@ handle_age_withdraw_reveal_json (
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
msg);
goto EXIT;
goto CLEANUP;
}
};
}
/* TODO:oec: find commitment */
@ -241,8 +230,7 @@ handle_age_withdraw_reveal_json (
/* TODO:oec: send response */
/* TODO */
EXIT:
CLEANUP:
age_reveal_context_free (actx);
return mhd_ret;
}