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Diffstat (limited to 'src/exchange/taler-exchange-httpd_purses_create.c')
-rw-r--r--src/exchange/taler-exchange-httpd_purses_create.c643
1 files changed, 201 insertions, 442 deletions
diff --git a/src/exchange/taler-exchange-httpd_purses_create.c b/src/exchange/taler-exchange-httpd_purses_create.c
index f8293981c..2de9468fe 100644
--- a/src/exchange/taler-exchange-httpd_purses_create.c
+++ b/src/exchange/taler-exchange-httpd_purses_create.c
@@ -25,9 +25,9 @@
#include <gnunet/gnunet_json_lib.h>
#include <jansson.h>
#include <microhttpd.h>
-#include <pthread.h>
#include "taler_json_lib.h"
#include "taler_mhd_lib.h"
+#include "taler-exchange-httpd_common_deposit.h"
#include "taler-exchange-httpd_purses_create.h"
#include "taler-exchange-httpd_responses.h"
#include "taler_exchangedb_lib.h"
@@ -35,56 +35,10 @@
/**
- * Information about an individual coin being deposited.
- */
-struct Coin
-{
- /**
- * Public information about the coin.
- */
- struct TALER_CoinPublicInfo cpi;
-
- /**
- * Signature affirming spending the coin.
- */
- struct TALER_CoinSpendSignatureP coin_sig;
-
- /**
- * Amount to be put into the purse from this coin.
- */
- struct TALER_Amount amount;
-
- /**
- * Deposit fee applicable to this coin.
- */
- struct TALER_Amount deposit_fee;
-
- /**
- * Amount to be put into the purse from this coin.
- */
- struct TALER_Amount amount_minus_fee;
-
- /**
- * ID of the coin in known_coins.
- */
- uint64_t known_coin_id;
-};
-
-
-/**
* Closure for #create_transaction.
*/
struct PurseCreateContext
{
- /**
- * Public key of the purse we are creating.
- */
- const struct TALER_PurseContractPublicKeyP *purse_pub;
-
- /**
- * Total amount to be put into the purse.
- */
- struct TALER_Amount amount;
/**
* Total actually deposited by all the coins.
@@ -92,11 +46,6 @@ struct PurseCreateContext
struct TALER_Amount deposit_total;
/**
- * When should the purse expire.
- */
- struct GNUNET_TIME_Timestamp purse_expiration;
-
- /**
* Our current time.
*/
struct GNUNET_TIME_Timestamp exchange_timestamp;
@@ -107,9 +56,9 @@ struct PurseCreateContext
struct TALER_PurseMergePublicKeyP merge_pub;
/**
- * Contract decryption key for the purse.
+ * Encrypted contract of for the purse.
*/
- struct TALER_ContractDiffiePublicP contract_pub;
+ struct TALER_EncryptedContract econtract;
/**
* Signature of the client affiming this request.
@@ -117,29 +66,14 @@ struct PurseCreateContext
struct TALER_PurseContractSignatureP purse_sig;
/**
- * Signature of the client affiming this encrypted contract.
+ * Fundamental details about the purse.
*/
- struct TALER_PurseContractSignatureP econtract_sig;
-
- /**
- * Hash of the contract terms of the purse.
- */
- struct TALER_PrivateContractHashP h_contract_terms;
+ struct TEH_PurseDetails pd;
/**
* Array of coins being deposited.
*/
- struct Coin *coins;
-
- /**
- * Encrypted contract, can be NULL.
- */
- void *econtract;
-
- /**
- * Number of bytes in @e econtract.
- */
- size_t econtract_size;
+ struct TEH_PurseDepositedCoin *coins;
/**
* Length of the @e coins array.
@@ -150,54 +84,13 @@ struct PurseCreateContext
* Minimum age for deposits into this purse.
*/
uint32_t min_age;
-};
+ /**
+ * Do we have an @e econtract?
+ */
+ bool no_econtract;
-/**
- * Send confirmation of purse creation success to client.
- *
- * @param connection connection to the client
- * @param pcc details about the request that succeeded
- * @return MHD result code
- */
-static MHD_RESULT
-reply_create_success (struct MHD_Connection *connection,
- const struct PurseCreateContext *pcc)
-{
- struct TALER_ExchangePublicKeyP pub;
- struct TALER_ExchangeSignatureP sig;
- enum TALER_ErrorCode ec;
-
- if (TALER_EC_NONE !=
- (ec = TALER_exchange_online_purse_created_sign (
- &TEH_keys_exchange_sign_,
- pcc->exchange_timestamp,
- pcc->purse_expiration,
- &pcc->amount,
- &pcc->deposit_total,
- pcc->purse_pub,
- &pcc->merge_pub,
- &pcc->h_contract_terms,
- &pub,
- &sig)))
- {
- GNUNET_break (0);
- return TALER_MHD_reply_with_ec (connection,
- ec,
- NULL);
- }
- return TALER_MHD_REPLY_JSON_PACK (
- connection,
- MHD_HTTP_OK,
- TALER_JSON_pack_amount ("total_deposited",
- &pcc->deposit_total),
- GNUNET_JSON_pack_timestamp ("exchange_timestamp",
- pcc->exchange_timestamp),
- GNUNET_JSON_pack_data_auto ("exchange_sig",
- &sig),
- GNUNET_JSON_pack_data_auto ("exchange_pub",
- &pub));
-}
+};
/**
@@ -223,20 +116,22 @@ create_transaction (void *cls,
struct TALER_Amount purse_fee;
bool in_conflict = true;
- TALER_amount_set_zero (pcc->amount.currency,
- &purse_fee);
+ GNUNET_assert (GNUNET_OK ==
+ TALER_amount_set_zero (TEH_currency,
+ &purse_fee));
/* 1) create purse */
- qs = TEH_plugin->insert_purse_request (TEH_plugin->cls,
- pcc->purse_pub,
- &pcc->merge_pub,
- pcc->purse_expiration,
- &pcc->h_contract_terms,
- pcc->min_age,
- TALER_WAMF_MODE_MERGE_FULLY_PAID_PURSE,
- &purse_fee,
- &pcc->amount,
- &pcc->purse_sig,
- &in_conflict);
+ qs = TEH_plugin->insert_purse_request (
+ TEH_plugin->cls,
+ &pcc->pd.purse_pub,
+ &pcc->merge_pub,
+ pcc->pd.purse_expiration,
+ &pcc->pd.h_contract_terms,
+ pcc->min_age,
+ TALER_WAMF_MODE_MERGE_FULLY_PAID_PURSE,
+ &purse_fee,
+ &pcc->pd.target_amount,
+ &pcc->purse_sig,
+ &in_conflict);
if (qs < 0)
{
if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
@@ -261,15 +156,15 @@ create_transaction (void *cls,
uint32_t min_age;
TEH_plugin->rollback (TEH_plugin->cls);
- qs = TEH_plugin->select_purse_request (TEH_plugin->cls,
- pcc->purse_pub,
- &merge_pub,
- &purse_expiration,
- &h_contract_terms,
- &min_age,
- &target_amount,
- &balance,
- &purse_sig);
+ qs = TEH_plugin->get_purse_request (TEH_plugin->cls,
+ &pcc->pd.purse_pub,
+ &merge_pub,
+ &purse_expiration,
+ &h_contract_terms,
+ &min_age,
+ &target_amount,
+ &balance,
+ &purse_sig);
if (qs < 0)
{
GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR != qs);
@@ -303,17 +198,25 @@ create_transaction (void *cls,
/* 2) deposit all coins */
for (unsigned int i = 0; i<pcc->num_coins; i++)
{
- struct Coin *coin = &pcc->coins[i];
+ struct TEH_PurseDepositedCoin *coin = &pcc->coins[i];
bool balance_ok = false;
bool conflict = true;
+ bool too_late = true;
+ qs = TEH_make_coin_known (&coin->cpi,
+ connection,
+ &coin->known_coin_id,
+ mhd_ret);
+ if (qs < 0)
+ return qs;
qs = TEH_plugin->do_purse_deposit (TEH_plugin->cls,
- pcc->purse_pub,
+ &pcc->pd.purse_pub,
&coin->cpi.coin_pub,
&coin->amount,
&coin->coin_sig,
&coin->amount_minus_fee,
&balance_ok,
+ &too_late,
&conflict);
if (qs <= 0)
{
@@ -330,25 +233,43 @@ create_transaction (void *cls,
}
if (! balance_ok)
{
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Coin %s has insufficient balance for purse deposit of amount %s\n",
+ TALER_B2S (&coin->cpi.coin_pub),
+ TALER_amount2s (&coin->amount));
*mhd_ret
= TEH_RESPONSE_reply_coin_insufficient_funds (
connection,
TALER_EC_EXCHANGE_GENERIC_INSUFFICIENT_FUNDS,
+ &coin->cpi.denom_pub_hash,
&coin->cpi.coin_pub);
return GNUNET_DB_STATUS_HARD_ERROR;
}
+ if (too_late)
+ {
+ *mhd_ret
+ = TALER_MHD_reply_with_ec (
+ connection,
+ TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE,
+ "too late to deposit on purse creation");
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
if (conflict)
{
struct TALER_Amount amount;
struct TALER_CoinSpendPublicKeyP coin_pub;
struct TALER_CoinSpendSignatureP coin_sig;
+ struct TALER_DenominationHashP h_denom_pub;
+ struct TALER_AgeCommitmentHash phac;
char *partner_url = NULL;
TEH_plugin->rollback (TEH_plugin->cls);
qs = TEH_plugin->get_purse_deposit (TEH_plugin->cls,
- pcc->purse_pub,
+ &pcc->pd.purse_pub,
&coin->cpi.coin_pub,
&amount,
+ &h_denom_pub,
+ &phac,
&coin_sig,
&partner_url);
if (qs < 0)
@@ -373,6 +294,10 @@ create_transaction (void *cls,
&coin_pub),
GNUNET_JSON_pack_data_auto ("coin_sig",
&coin_sig),
+ GNUNET_JSON_pack_data_auto ("h_denom_pub",
+ &h_denom_pub),
+ GNUNET_JSON_pack_data_auto ("h_age_restrictions",
+ &phac),
GNUNET_JSON_pack_allow_null (
GNUNET_JSON_pack_string ("partner_url",
partner_url)),
@@ -383,68 +308,64 @@ create_transaction (void *cls,
}
}
/* 3) if present, persist contract */
- in_conflict = true;
- qs = TEH_plugin->insert_contract (TEH_plugin->cls,
- pcc->purse_pub,
- &pcc->contract_pub,
- pcc->econtract_size,
- pcc->econtract,
- &pcc->econtract_sig,
- &in_conflict);
- if (qs < 0)
+ if (! pcc->no_econtract)
{
- if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
- return qs;
- TALER_LOG_WARNING ("Failed to store purse information in database\n");
- *mhd_ret = TALER_MHD_reply_with_error (connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_DB_STORE_FAILED,
- "purse create contract");
- return GNUNET_DB_STATUS_HARD_ERROR;
- }
- if (in_conflict)
- {
- struct TALER_ContractDiffiePublicP pub_ckey;
- struct TALER_PurseContractSignatureP econtract_sig;
- size_t econtract_size;
- void *econtract;
- struct GNUNET_HashCode h_econtract;
-
- qs = TEH_plugin->select_contract_by_purse (TEH_plugin->cls,
- pcc->purse_pub,
- &pub_ckey,
- &econtract_sig,
- &econtract_size,
- &econtract);
- if (qs <= 0)
+ in_conflict = true;
+ qs = TEH_plugin->insert_contract (TEH_plugin->cls,
+ &pcc->pd.purse_pub,
+ &pcc->econtract,
+ &in_conflict);
+ if (qs < 0)
{
if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
return qs;
- GNUNET_break (0 != qs);
- TALER_LOG_WARNING (
- "Failed to store fetch contract information from database\n");
+ TALER_LOG_WARNING ("Failed to store purse information in database\n");
*mhd_ret = TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_DB_FETCH_FAILED,
- "select contract");
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "purse create contract");
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
+ if (in_conflict)
+ {
+ struct TALER_EncryptedContract econtract;
+ struct GNUNET_HashCode h_econtract;
+
+ qs = TEH_plugin->select_contract_by_purse (
+ TEH_plugin->cls,
+ &pcc->pd.purse_pub,
+ &econtract);
+ if (qs <= 0)
+ {
+ if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
+ return qs;
+ GNUNET_break (0 != qs);
+ TALER_LOG_WARNING (
+ "Failed to store fetch contract information from database\n");
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_FETCH_FAILED,
+ "select contract");
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ }
+ GNUNET_CRYPTO_hash (econtract.econtract,
+ econtract.econtract_size,
+ &h_econtract);
+ *mhd_ret
+ = TALER_MHD_REPLY_JSON_PACK (
+ connection,
+ MHD_HTTP_CONFLICT,
+ TALER_JSON_pack_ec (
+ TALER_EC_EXCHANGE_PURSE_ECONTRACT_CONFLICTING_META_DATA),
+ GNUNET_JSON_pack_data_auto ("h_econtract",
+ &h_econtract),
+ GNUNET_JSON_pack_data_auto ("econtract_sig",
+ &econtract.econtract_sig),
+ GNUNET_JSON_pack_data_auto ("contract_pub",
+ &econtract.contract_pub));
+ GNUNET_free (econtract.econtract);
return GNUNET_DB_STATUS_HARD_ERROR;
}
- GNUNET_CRYPTO_hash (econtract,
- econtract_size,
- &h_econtract);
- *mhd_ret
- = TALER_MHD_REPLY_JSON_PACK (
- connection,
- MHD_HTTP_CONFLICT,
- TALER_JSON_pack_ec (
- TALER_EC_EXCHANGE_PURSE_ECONTRACT_CONFLICTING_META_DATA),
- GNUNET_JSON_pack_data_auto ("h_econtract",
- &h_econtract),
- GNUNET_JSON_pack_data_auto ("econtract_sig",
- &econtract_sig),
- GNUNET_JSON_pack_data_auto ("pub_ckey",
- &pub_ckey));
- return GNUNET_DB_STATUS_HARD_ERROR;
}
return qs;
}
@@ -454,8 +375,8 @@ create_transaction (void *cls,
* Parse a coin and check signature of the coin and the denomination
* signature over the coin.
*
- * @param[in,out] our HTTP connection
- * @param[in,out] request context
+ * @param[in,out] connection our HTTP connection
+ * @param[in,out] pcc request context
* @param[out] coin coin to initialize
* @param jcoin coin to parse
* @return #GNUNET_OK on success, #GNUNET_NO if an error was returned,
@@ -464,207 +385,36 @@ create_transaction (void *cls,
static enum GNUNET_GenericReturnValue
parse_coin (struct MHD_Connection *connection,
struct PurseCreateContext *pcc,
- struct Coin *coin,
+ struct TEH_PurseDepositedCoin *coin,
const json_t *jcoin)
{
- struct GNUNET_JSON_Specification spec[] = {
- TALER_JSON_spec_amount ("amount",
- TEH_currency,
- &coin->amount),
- GNUNET_JSON_spec_fixed_auto ("denom_pub_hash",
- &coin->cpi.denom_pub_hash),
- TALER_JSON_spec_denom_sig ("ub_sig",
- &coin->cpi.denom_sig),
- GNUNET_JSON_spec_mark_optional (
- GNUNET_JSON_spec_fixed_auto ("h_age_commitment",
- &coin->cpi.h_age_commitment),
- &coin->cpi.no_age_commitment),
- GNUNET_JSON_spec_fixed_auto ("coin_sig",
- &coin->coin_sig),
- GNUNET_JSON_spec_fixed_auto ("coin_pub",
- &coin->cpi.coin_pub),
- GNUNET_JSON_spec_end ()
- };
-
- {
- enum GNUNET_GenericReturnValue res;
-
- res = TALER_MHD_parse_json_data (connection,
- jcoin,
- spec);
- if (GNUNET_OK != res)
- return res;
- }
+ enum GNUNET_GenericReturnValue iret;
if (GNUNET_OK !=
- TALER_wallet_purse_deposit_verify (TEH_base_url,
- pcc->purse_pub,
- &coin->amount,
- &coin->cpi.coin_pub,
- &coin->coin_sig))
+ (iret = TEH_common_purse_deposit_parse_coin (connection,
+ coin,
+ jcoin)))
+ return iret;
+ if (GNUNET_OK !=
+ (iret = TEH_common_deposit_check_purse_deposit (
+ connection,
+ coin,
+ &pcc->pd.purse_pub,
+ pcc->min_age)))
+ return iret;
+ if (0 >
+ TALER_amount_add (&pcc->deposit_total,
+ &pcc->deposit_total,
+ &coin->amount_minus_fee))
{
- TALER_LOG_WARNING (
- "Invalid coin signature on /purses/$PID/create request\n");
- GNUNET_JSON_parse_free (spec);
+ GNUNET_break (0);
return (MHD_YES ==
TALER_MHD_reply_with_error (connection,
- MHD_HTTP_FORBIDDEN,
- TALER_EC_EXCHANGE_PURSE_CREATE_COIN_SIGNATURE_INVALID,
- TEH_base_url))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
- /* check denomination exists and is valid */
- {
- struct TEH_DenominationKey *dk;
- MHD_RESULT mret;
-
- dk = TEH_keys_denomination_by_hash (&coin->cpi.denom_pub_hash,
- connection,
- &mret);
- if (NULL == dk)
- {
- GNUNET_JSON_parse_free (spec);
- return (MHD_YES == mret) ? GNUNET_NO : GNUNET_SYSERR;
- }
- if (0 > TALER_amount_cmp (&dk->meta.value,
- &coin->amount))
- {
- GNUNET_break_op (0);
- GNUNET_JSON_parse_free (spec);
- return (MHD_YES ==
- TALER_MHD_reply_with_error (connection,
- MHD_HTTP_BAD_REQUEST,
- TALER_EC_EXCHANGE_GENERIC_AMOUNT_EXCEEDS_DENOMINATION_VALUE,
- NULL))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
- if (GNUNET_TIME_absolute_is_past (dk->meta.expire_deposit.abs_time))
- {
- /* This denomination is past the expiration time for deposits */
- GNUNET_JSON_parse_free (spec);
- return (MHD_YES ==
- TEH_RESPONSE_reply_expired_denom_pub_hash (
- connection,
- &coin->cpi.denom_pub_hash,
- TALER_EC_EXCHANGE_GENERIC_DENOMINATION_EXPIRED,
- "PURSE CREATE"))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
- if (GNUNET_TIME_absolute_is_future (dk->meta.start.abs_time))
- {
- /* This denomination is not yet valid */
- GNUNET_JSON_parse_free (spec);
- return (MHD_YES ==
- TEH_RESPONSE_reply_expired_denom_pub_hash (
- connection,
- &coin->cpi.denom_pub_hash,
- TALER_EC_EXCHANGE_GENERIC_DENOMINATION_VALIDITY_IN_FUTURE,
- "PURSE CREATE"))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
- if (dk->recoup_possible)
- {
- /* This denomination has been revoked */
- GNUNET_JSON_parse_free (spec);
- return (MHD_YES ==
- TEH_RESPONSE_reply_expired_denom_pub_hash (
- connection,
- &coin->cpi.denom_pub_hash,
- TALER_EC_EXCHANGE_GENERIC_DENOMINATION_REVOKED,
- "PURSE CREATE"))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
- if (dk->denom_pub.cipher != coin->cpi.denom_sig.cipher)
- {
- /* denomination cipher and denomination signature cipher not the same */
- GNUNET_JSON_parse_free (spec);
- return (MHD_YES ==
- TALER_MHD_reply_with_error (connection,
- MHD_HTTP_BAD_REQUEST,
- TALER_EC_EXCHANGE_GENERIC_CIPHER_MISMATCH,
- NULL))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
-
- coin->deposit_fee = dk->meta.fees.deposit;
- if (0 < TALER_amount_cmp (&coin->deposit_fee,
- &coin->amount))
- {
- GNUNET_break_op (0);
- GNUNET_JSON_parse_free (spec);
- return TALER_MHD_reply_with_error (connection,
- MHD_HTTP_BAD_REQUEST,
- TALER_EC_EXCHANGE_DEPOSIT_NEGATIVE_VALUE_AFTER_FEE,
- NULL);
- }
- GNUNET_assert (0 <=
- TALER_amount_subtract (&coin->amount_minus_fee,
- &coin->amount,
- &coin->deposit_fee));
- /* check coin signature */
- switch (dk->denom_pub.cipher)
- {
- case TALER_DENOMINATION_RSA:
- TEH_METRICS_num_verifications[TEH_MT_SIGNATURE_RSA]++;
- break;
- case TALER_DENOMINATION_CS:
- TEH_METRICS_num_verifications[TEH_MT_SIGNATURE_CS]++;
- break;
- default:
- break;
- }
- if (GNUNET_YES !=
- TALER_test_coin_valid (&coin->cpi,
- &dk->denom_pub))
- {
- TALER_LOG_WARNING ("Invalid coin passed for /deposit\n");
- GNUNET_JSON_parse_free (spec);
- return (MHD_YES ==
- TALER_MHD_reply_with_error (connection,
- MHD_HTTP_FORBIDDEN,
- TALER_EC_EXCHANGE_DENOMINATION_SIGNATURE_INVALID,
- NULL))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
- if (0 >
- TALER_amount_add (&pcc->deposit_total,
- &pcc->deposit_total,
- &coin->amount_minus_fee))
- {
- GNUNET_break (0);
- return TALER_MHD_reply_with_error (connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_FAILED_COMPUTE_AMOUNT,
- "total deposit contribution");
- }
- }
- {
- MHD_RESULT mhd_ret = MHD_NO;
- enum GNUNET_DB_QueryStatus qs;
-
- /* make sure coin is 'known' in database */
- for (unsigned int tries = 0; tries<MAX_TRANSACTION_COMMIT_RETRIES; tries++)
- {
- qs = TEH_make_coin_known (&coin->cpi,
- connection,
- &coin->known_coin_id,
- &mhd_ret);
- /* no transaction => no serialization failures should be possible */
- if (GNUNET_DB_STATUS_SOFT_ERROR != qs)
- break;
- }
- if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
- {
- GNUNET_break (0);
- return (MHD_YES ==
- TALER_MHD_reply_with_error (connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_DB_COMMIT_FAILED,
- "make_coin_known"))
- ? GNUNET_NO : GNUNET_SYSERR;
- }
- if (qs < 0)
- return (MHD_YES == mhd_ret) ? GNUNET_NO : GNUNET_SYSERR;
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_FAILED_COMPUTE_AMOUNT,
+ "total deposit contribution"))
+ ? GNUNET_NO
+ : GNUNET_SYSERR;
}
return GNUNET_OK;
}
@@ -677,41 +427,32 @@ TEH_handler_purses_create (
const json_t *root)
{
struct PurseCreateContext pcc = {
- .purse_pub = purse_pub,
+ .pd.purse_pub = *purse_pub,
.exchange_timestamp = GNUNET_TIME_timestamp_get ()
};
- json_t *deposits;
+ const json_t *deposits;
json_t *deposit;
unsigned int idx;
struct GNUNET_JSON_Specification spec[] = {
TALER_JSON_spec_amount ("amount",
TEH_currency,
- &pcc.amount),
+ &pcc.pd.target_amount),
GNUNET_JSON_spec_uint32 ("min_age",
&pcc.min_age),
GNUNET_JSON_spec_mark_optional (
- GNUNET_JSON_spec_varsize ("econtract",
- &pcc.econtract,
- &pcc.econtract_size),
- NULL),
- GNUNET_JSON_spec_mark_optional (
- GNUNET_JSON_spec_fixed_auto ("econtract_sig",
- &pcc.econtract_sig),
- NULL),
- GNUNET_JSON_spec_mark_optional (
- GNUNET_JSON_spec_fixed_auto ("contract_pub",
- &pcc.contract_pub),
- NULL),
+ TALER_JSON_spec_econtract ("econtract",
+ &pcc.econtract),
+ &pcc.no_econtract),
GNUNET_JSON_spec_fixed_auto ("merge_pub",
&pcc.merge_pub),
GNUNET_JSON_spec_fixed_auto ("purse_sig",
&pcc.purse_sig),
GNUNET_JSON_spec_fixed_auto ("h_contract_terms",
- &pcc.h_contract_terms),
- GNUNET_JSON_spec_json ("deposits",
- &deposits),
+ &pcc.pd.h_contract_terms),
+ GNUNET_JSON_spec_array_const ("deposits",
+ &deposits),
GNUNET_JSON_spec_timestamp ("purse_expiration",
- &pcc.purse_expiration),
+ &pcc.pd.purse_expiration),
GNUNET_JSON_spec_end ()
};
const struct TEH_GlobalFee *gf;
@@ -736,21 +477,19 @@ TEH_handler_purses_create (
GNUNET_assert (GNUNET_OK ==
TALER_amount_set_zero (TEH_currency,
&pcc.deposit_total));
- if (GNUNET_TIME_timestamp_cmp (pcc.purse_expiration,
+ if (GNUNET_TIME_timestamp_cmp (pcc.pd.purse_expiration,
<,
pcc.exchange_timestamp))
{
GNUNET_break_op (0);
- GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_EXCHANGE_PURSE_CREATE_EXPIRATION_BEFORE_NOW,
NULL);
}
- if (GNUNET_TIME_absolute_is_never (pcc.purse_expiration.abs_time))
+ if (GNUNET_TIME_absolute_is_never (pcc.pd.purse_expiration.abs_time))
{
GNUNET_break_op (0);
- GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_EXCHANGE_PURSE_CREATE_EXPIRATION_IS_NEVER,
@@ -761,14 +500,26 @@ TEH_handler_purses_create (
(pcc.num_coins > TALER_MAX_FRESH_COINS) )
{
GNUNET_break_op (0);
- GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"deposits");
}
- gf = TEH_keys_global_fee_by_time (TEH_keys_get_state (),
- pcc.exchange_timestamp);
+ {
+ struct TEH_KeyStateHandle *keys;
+
+ keys = TEH_keys_get_state ();
+ if (NULL == keys)
+ {
+ GNUNET_break (0);
+ return TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_EXCHANGE_GENERIC_KEYS_MISSING,
+ NULL);
+ }
+ gf = TEH_keys_global_fee_by_time (keys,
+ pcc.exchange_timestamp);
+ }
if (NULL == gf)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
@@ -780,11 +531,11 @@ TEH_handler_purses_create (
}
/* parse deposits */
pcc.coins = GNUNET_new_array (pcc.num_coins,
- struct Coin);
+ struct TEH_PurseDepositedCoin);
json_array_foreach (deposits, idx, deposit)
{
enum GNUNET_GenericReturnValue res;
- struct Coin *coin = &pcc.coins[idx];
+ struct TEH_PurseDepositedCoin *coin = &pcc.coins[idx];
res = parse_coin (connection,
&pcc,
@@ -792,7 +543,8 @@ TEH_handler_purses_create (
deposit);
if (GNUNET_OK != res)
{
- GNUNET_JSON_parse_free (spec);
+ for (unsigned int i = 0; i<idx; i++)
+ TEH_common_purse_deposit_free_coin (&pcc.coins[i]);
GNUNET_free (pcc.coins);
return (GNUNET_NO == res) ? MHD_YES : MHD_NO;
}
@@ -802,7 +554,6 @@ TEH_handler_purses_create (
&pcc.deposit_total))
{
GNUNET_break_op (0);
- GNUNET_JSON_parse_free (spec);
GNUNET_free (pcc.coins);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
@@ -812,32 +563,35 @@ TEH_handler_purses_create (
TEH_METRICS_num_verifications[TEH_MT_SIGNATURE_EDDSA]++;
if (GNUNET_OK !=
- TALER_wallet_purse_create_verify (pcc.purse_expiration,
- &pcc.h_contract_terms,
- &pcc.merge_pub,
- pcc.min_age,
- &pcc.amount,
- pcc.purse_pub,
- &pcc.purse_sig))
+ TALER_wallet_purse_create_verify (
+ pcc.pd.purse_expiration,
+ &pcc.pd.h_contract_terms,
+ &pcc.merge_pub,
+ pcc.min_age,
+ &pcc.pd.target_amount,
+ &pcc.pd.purse_pub,
+ &pcc.purse_sig))
{
TALER_LOG_WARNING ("Invalid signature on /purses/$PID/create request\n");
- GNUNET_JSON_parse_free (spec);
+ for (unsigned int i = 0; i<pcc.num_coins; i++)
+ TEH_common_purse_deposit_free_coin (&pcc.coins[i]);
GNUNET_free (pcc.coins);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_FORBIDDEN,
TALER_EC_EXCHANGE_PURSE_CREATE_SIGNATURE_INVALID,
NULL);
}
- if ( (NULL != pcc.econtract) &&
+ if ( (! pcc.no_econtract) &&
(GNUNET_OK !=
- TALER_wallet_econtract_upload_verify (pcc.econtract,
- pcc.econtract_size,
- &pcc.contract_pub,
+ TALER_wallet_econtract_upload_verify (pcc.econtract.econtract,
+ pcc.econtract.econtract_size,
+ &pcc.econtract.contract_pub,
purse_pub,
- &pcc.econtract_sig)) )
+ &pcc.econtract.econtract_sig)) )
{
TALER_LOG_WARNING ("Invalid signature on /purses/$PID/create request\n");
- GNUNET_JSON_parse_free (spec);
+ for (unsigned int i = 0; i<pcc.num_coins; i++)
+ TEH_common_purse_deposit_free_coin (&pcc.coins[i]);
GNUNET_free (pcc.coins);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_FORBIDDEN,
@@ -850,7 +604,8 @@ TEH_handler_purses_create (
TEH_plugin->preflight (TEH_plugin->cls))
{
GNUNET_break (0);
- GNUNET_JSON_parse_free (spec);
+ for (unsigned int i = 0; i<pcc.num_coins; i++)
+ TEH_common_purse_deposit_free_coin (&pcc.coins[i]);
GNUNET_free (pcc.coins);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
@@ -870,7 +625,8 @@ TEH_handler_purses_create (
&create_transaction,
&pcc))
{
- GNUNET_JSON_parse_free (spec);
+ for (unsigned int i = 0; i<pcc.num_coins; i++)
+ TEH_common_purse_deposit_free_coin (&pcc.coins[i]);
GNUNET_free (pcc.coins);
return mhd_ret;
}
@@ -880,10 +636,13 @@ TEH_handler_purses_create (
{
MHD_RESULT res;
- res = reply_create_success (connection,
- &pcc);
+ res = TEH_RESPONSE_reply_purse_created (connection,
+ pcc.exchange_timestamp,
+ &pcc.deposit_total,
+ &pcc.pd);
+ for (unsigned int i = 0; i<pcc.num_coins; i++)
+ TEH_common_purse_deposit_free_coin (&pcc.coins[i]);
GNUNET_free (pcc.coins);
- GNUNET_JSON_parse_free (spec);
return res;
}
}