diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/auditor_api_deposit_confirmation.c | 17 | ||||
| -rw-r--r-- | src/lib/exchange_api_common.c | 36 | ||||
| -rw-r--r-- | src/lib/exchange_api_deposit.c | 66 | ||||
| -rw-r--r-- | src/lib/exchange_api_deposits_get.c | 72 | ||||
| -rw-r--r-- | src/lib/exchange_api_handle.c | 2 | ||||
| -rw-r--r-- | src/lib/exchange_api_melt.c | 10 | ||||
| -rw-r--r-- | src/lib/exchange_api_refund.c | 29 | ||||
| -rw-r--r-- | src/lib/exchange_api_transfers_get.c | 170 | ||||
| -rw-r--r-- | src/lib/exchange_api_withdraw2.c | 2 |
9 files changed, 226 insertions, 178 deletions
diff --git a/src/lib/auditor_api_deposit_confirmation.c b/src/lib/auditor_api_deposit_confirmation.c index cddfe8b14..1856a89f4 100644 --- a/src/lib/auditor_api_deposit_confirmation.c +++ b/src/lib/auditor_api_deposit_confirmation.c @@ -148,7 +148,7 @@ handle_deposit_confirmation_finished (void *cls, * * @param h_wire hash of merchant wire details * @param h_contract_terms hash of the contact of the merchant with the customer (further details are never disclosed to the auditor) - * @param timestamp timestamp when the contract was finalized, must not be too far in the future + * @param exchange_timestamp timestamp when the deposit was received by the wallet * @param refund_deadline date until which the merchant can issue a refund to the customer via the auditor (can be zero if refunds are not allowed); must not be after the @a wire_deadline * @param amount_without_fee the amount confirmed to be wired by the exchange to the merchant * @param coin_pub coin’s public key @@ -165,7 +165,7 @@ handle_deposit_confirmation_finished (void *cls, static int verify_signatures (const struct GNUNET_HashCode *h_wire, const struct GNUNET_HashCode *h_contract_terms, - struct GNUNET_TIME_Absolute timestamp, + struct GNUNET_TIME_Absolute exchange_timestamp, struct GNUNET_TIME_Absolute refund_deadline, const struct TALER_Amount *amount_without_fee, const struct TALER_CoinSpendPublicKeyP *coin_pub, @@ -184,7 +184,7 @@ verify_signatures (const struct GNUNET_HashCode *h_wire, .purpose.size = htonl (sizeof (dc)), .h_contract_terms = *h_contract_terms, .h_wire = *h_wire, - .timestamp = GNUNET_TIME_absolute_hton (timestamp), + .exchange_timestamp = GNUNET_TIME_absolute_hton (exchange_timestamp), .refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline), .coin_pub = *coin_pub, .merchant = *merchant_pub @@ -256,7 +256,7 @@ verify_signatures (const struct GNUNET_HashCode *h_wire, * @param auditor the auditor handle; the auditor must be ready to operate * @param h_wire hash of merchant wire details * @param h_contract_terms hash of the contact of the merchant with the customer (further details are never disclosed to the auditor) - * @param timestamp timestamp when the contract was finalized, must not be too far in the future + * @param exchange_timestamp timestamp when deposit was received by the exchange * @param refund_deadline date until which the merchant can issue a refund to the customer via the auditor (can be zero if refunds are not allowed); must not be after the @a wire_deadline * @param amount_without_fee the amount confirmed to be wired by the exchange to the merchant * @param coin_pub coin’s public key @@ -278,7 +278,7 @@ TALER_AUDITOR_deposit_confirmation ( struct TALER_AUDITOR_Handle *auditor, const struct GNUNET_HashCode *h_wire, const struct GNUNET_HashCode *h_contract_terms, - struct GNUNET_TIME_Absolute timestamp, + struct GNUNET_TIME_Absolute exchange_timestamp, struct GNUNET_TIME_Absolute refund_deadline, const struct TALER_Amount *amount_without_fee, const struct TALER_CoinSpendPublicKeyP *coin_pub, @@ -298,7 +298,7 @@ TALER_AUDITOR_deposit_confirmation ( json_t *deposit_confirmation_obj; CURL *eh; - (void) GNUNET_TIME_round_abs (×tamp); + (void) GNUNET_TIME_round_abs (&exchange_timestamp); (void) GNUNET_TIME_round_abs (&refund_deadline); (void) GNUNET_TIME_round_abs (&ep_start); (void) GNUNET_TIME_round_abs (&ep_expire); @@ -308,7 +308,7 @@ TALER_AUDITOR_deposit_confirmation ( if (GNUNET_OK != verify_signatures (h_wire, h_contract_terms, - timestamp, + exchange_timestamp, refund_deadline, amount_without_fee, coin_pub, @@ -336,7 +336,8 @@ TALER_AUDITOR_deposit_confirmation ( "h_wire", GNUNET_JSON_from_data_auto (h_wire), "h_contract_terms", GNUNET_JSON_from_data_auto ( h_contract_terms), - "timestamp", GNUNET_JSON_from_time_abs (timestamp), + "exchange_timestamp", GNUNET_JSON_from_time_abs ( + exchange_timestamp), "refund_deadline", GNUNET_JSON_from_time_abs (refund_deadline), "amount_without_fee", TALER_JSON_from_amount ( amount_without_fee), diff --git a/src/lib/exchange_api_common.c b/src/lib/exchange_api_common.c index 2cde8d136..e7e87487b 100644 --- a/src/lib/exchange_api_common.c +++ b/src/lib/exchange_api_common.c @@ -146,11 +146,12 @@ TALER_EXCHANGE_parse_reserve_history ( { struct TALER_ReserveSignatureP sig; struct TALER_WithdrawRequestPS withdraw_purpose; + struct TALER_Amount withdraw_fee; struct GNUNET_JSON_Specification withdraw_spec[] = { GNUNET_JSON_spec_fixed_auto ("reserve_sig", &sig), - TALER_JSON_spec_amount_nbo ("withdraw_fee", - &withdraw_purpose.withdraw_fee), + TALER_JSON_spec_amount ("withdraw_fee", + &withdraw_fee), GNUNET_JSON_spec_fixed_auto ("h_denom_pub", &withdraw_purpose.h_denomination_pub), GNUNET_JSON_spec_fixed_auto ("h_coin_envelope", @@ -189,26 +190,23 @@ TALER_EXCHANGE_parse_reserve_history ( { const struct TALER_EXCHANGE_Keys *key_state; const struct TALER_EXCHANGE_DenomPublicKey *dki; - struct TALER_Amount fee; key_state = TALER_EXCHANGE_get_keys (exchange); dki = TALER_EXCHANGE_get_denomination_key_by_hash (key_state, &withdraw_purpose. h_denomination_pub); - TALER_amount_ntoh (&fee, - &withdraw_purpose.withdraw_fee); if ( (GNUNET_YES != - TALER_amount_cmp_currency (&fee, + TALER_amount_cmp_currency (&withdraw_fee, &dki->fee_withdraw)) || (0 != - TALER_amount_cmp (&fee, + TALER_amount_cmp (&withdraw_fee, &dki->fee_withdraw)) ) { GNUNET_break_op (0); GNUNET_JSON_parse_free (withdraw_spec); return GNUNET_SYSERR; } - rh->details.withdraw.fee = fee; + rh->details.withdraw.fee = withdraw_fee; } rh->details.withdraw.out_authorization_sig = json_object_get (transaction, @@ -526,7 +524,7 @@ TALER_EXCHANGE_verify_coin_history ( GNUNET_JSON_spec_fixed_auto ("h_wire", &dr.h_wire), GNUNET_JSON_spec_absolute_time_nbo ("timestamp", - &dr.timestamp), + &dr.wallet_timestamp), GNUNET_JSON_spec_absolute_time_nbo ("refund_deadline", &dr.refund_deadline), TALER_JSON_spec_amount_nbo ("deposit_fee", @@ -634,9 +632,16 @@ TALER_EXCHANGE_verify_coin_history ( else if (0 == strcasecmp (type, "REFUND")) { - struct TALER_RefundRequestPS rr; struct TALER_MerchantSignatureP sig; + struct TALER_Amount refund_fee; + struct TALER_RefundRequestPS rr = { + .purpose.size = htonl (sizeof (rr)), + .purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_REFUND), + .coin_pub = *coin_pub + }; struct GNUNET_JSON_Specification spec[] = { + TALER_JSON_spec_amount ("refund_fee", + &refund_fee), GNUNET_JSON_spec_fixed_auto ("merchant_sig", &sig), GNUNET_JSON_spec_fixed_auto ("h_contract_terms", @@ -645,8 +650,6 @@ TALER_EXCHANGE_verify_coin_history ( &rr.merchant), GNUNET_JSON_spec_uint64 ("rtransaction_id", &rr.rtransaction_id), - TALER_JSON_spec_amount_nbo ("refund_fee", - &rr.refund_fee), GNUNET_JSON_spec_end () }; @@ -658,9 +661,6 @@ TALER_EXCHANGE_verify_coin_history ( GNUNET_break_op (0); return GNUNET_SYSERR; } - rr.purpose.size = htonl (sizeof (rr)); - rr.purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_REFUND); - rr.coin_pub = *coin_pub; TALER_amount_hton (&rr.refund_amount, &amount); if (GNUNET_OK != @@ -683,13 +683,11 @@ TALER_EXCHANGE_verify_coin_history ( /* check that refund fee matches our expectations from /keys! */ if (NULL != dk) { - TALER_amount_ntoh (&fee, - &rr.refund_fee); if ( (GNUNET_YES != - TALER_amount_cmp_currency (&fee, + TALER_amount_cmp_currency (&refund_fee, &dk->fee_refund)) || (0 != - TALER_amount_cmp (&fee, + TALER_amount_cmp (&refund_fee, &dk->fee_refund)) ) { GNUNET_break_op (0); diff --git a/src/lib/exchange_api_deposit.c b/src/lib/exchange_api_deposit.c index 5f3749931..351fa7a10 100644 --- a/src/lib/exchange_api_deposit.c +++ b/src/lib/exchange_api_deposit.c @@ -160,7 +160,7 @@ auditor_cb (void *cls, ah, &dh->depconf.h_wire, &dh->depconf.h_contract_terms, - GNUNET_TIME_absolute_ntoh (dh->depconf.timestamp), + GNUNET_TIME_absolute_ntoh (dh->depconf.exchange_timestamp), GNUNET_TIME_absolute_ntoh (dh->depconf.refund_deadline), &amount_without_fee, &dh->depconf.coin_pub, @@ -196,8 +196,10 @@ verify_deposit_signature_ok (struct TALER_EXCHANGE_DepositHandle *dh, { const struct TALER_EXCHANGE_Keys *key_state; struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("sig", exchange_sig), - GNUNET_JSON_spec_fixed_auto ("pub", exchange_pub), + GNUNET_JSON_spec_fixed_auto ("exchange_sig", exchange_sig), + GNUNET_JSON_spec_fixed_auto ("exchange_pub", exchange_pub), + GNUNET_JSON_spec_absolute_time_nbo ("exchange_timestamp", + &dh->depconf.exchange_timestamp), GNUNET_JSON_spec_end () }; @@ -386,6 +388,7 @@ handle_deposit_finished (void *cls, } dh->cb (dh->cb_cls, &hr, + GNUNET_TIME_absolute_ntoh (dh->depconf.exchange_timestamp), es, ep); TALER_EXCHANGE_deposit_cancel (dh); @@ -429,7 +432,7 @@ verify_signatures (const struct TALER_EXCHANGE_DenomPublicKey *dki, .purpose.size = htonl (sizeof (dr)), .h_contract_terms = *h_contract_terms, .h_wire = *h_wire, - .timestamp = GNUNET_TIME_absolute_hton (timestamp), + .wallet_timestamp = GNUNET_TIME_absolute_hton (timestamp), .refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline), .merchant = *merchant_pub, .coin_pub = *coin_pub @@ -488,6 +491,59 @@ verify_signatures (const struct TALER_EXCHANGE_DenomPublicKey *dki, /** + * Sign a deposit permission. Function for wallets. + * + * @param amount the amount to be deposited + * @param deposit_fee the deposit fee we expect to pay + * @param h_wire hash of the merchant’s account details + * @param h_contract_terms hash of the contact of the merchant with the customer (further details are never disclosed to the exchange) + * @param coin_priv coin’s private key + * @param wallet_timestamp timestamp when the contract was finalized, must not be too far in the future + * @param merchant_pub the public key of the merchant (used to identify the merchant for refund requests) + * @param refund_deadline date until which the merchant can issue a refund to the customer via the exchange (can be zero if refunds are not allowed); must not be after the @a wire_deadline + * @param[out] coin_sig set to the signature made with purpose #TALER_SIGNATURE_WALLET_COIN_DEPOSIT + */ +void +TALER_EXCHANGE_deposit_permission_sign ( + const struct TALER_Amount *amount, + const struct TALER_Amount *deposit_fee, + const struct GNUNET_HashCode *h_wire, + const struct GNUNET_HashCode *h_contract_terms, + const struct TALER_CoinSpendPrivateKeyP *coin_priv, + struct GNUNET_TIME_Absolute wallet_timestamp, + const struct TALER_MerchantPublicKeyP *merchant_pub, + struct GNUNET_TIME_Absolute refund_deadline, + struct TALER_CoinSpendSignatureP *coin_sig) +{ + struct TALER_DepositRequestPS dr = { + .purpose.size = htonl + (sizeof (dr)), + .purpose.purpose = htonl + (TALER_SIGNATURE_WALLET_COIN_DEPOSIT), + .h_contract_terms = *h_contract_terms, + .h_wire = *h_wire, + .wallet_timestamp = GNUNET_TIME_absolute_hton (wallet_timestamp), + .refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline), + .merchant = *merchant_pub + }; + + GNUNET_assert (GNUNET_OK == + GNUNET_TIME_round_abs (&wallet_timestamp)); + GNUNET_assert (GNUNET_OK == + GNUNET_TIME_round_abs (&refund_deadline)); + GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv, + &dr.coin_pub.eddsa_pub); + TALER_amount_hton (&dr.amount_with_fee, + amount); + TALER_amount_hton (&dr.deposit_fee, + deposit_fee); + GNUNET_CRYPTO_eddsa_sign (&coin_priv->eddsa_priv, + &dr, + &coin_sig->eddsa_signature); +} + + +/** * Submit a deposit permission to the exchange and get the exchange's response. * Note that while we return the response verbatim to the caller for * further processing, we do already verify that the response is @@ -658,7 +714,7 @@ TALER_EXCHANGE_deposit (struct TALER_EXCHANGE_Handle *exchange, TALER_SIGNATURE_EXCHANGE_CONFIRM_DEPOSIT); dh->depconf.h_contract_terms = *h_contract_terms; dh->depconf.h_wire = h_wire; - dh->depconf.timestamp = GNUNET_TIME_absolute_hton (timestamp); + /* dh->depconf.exchange_timestamp; -- initialized later from exchange reply! */ dh->depconf.refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline); TALER_amount_hton (&dh->depconf.amount_without_fee, &amount_without_fee); diff --git a/src/lib/exchange_api_deposits_get.c b/src/lib/exchange_api_deposits_get.c index aecd88240..004a24d42 100644 --- a/src/lib/exchange_api_deposits_get.c +++ b/src/lib/exchange_api_deposits_get.c @@ -33,7 +33,7 @@ /** - * @brief A Deposit Wtid Handle + * @brief A Deposit Get Handle */ struct TALER_EXCHANGE_DepositGetHandle { @@ -84,31 +84,19 @@ struct TALER_EXCHANGE_DepositGetHandle * * @param dwh deposit wtid handle * @param json json reply with the signature - * @param[out] exchange_pub set to the exchange's public key + * @param exchange_pub the exchange's public key + * @param exchange_sig the exchange's signature * @return #GNUNET_OK if the signature is valid, #GNUNET_SYSERR if not */ static int verify_deposit_wtid_signature_ok ( const struct TALER_EXCHANGE_DepositGetHandle *dwh, const json_t *json, - struct TALER_ExchangePublicKeyP *exchange_pub) + const struct TALER_ExchangePublicKeyP *exchange_pub, + const struct TALER_ExchangeSignatureP *exchange_sig) { - struct TALER_ExchangeSignatureP exchange_sig; const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("exchange_sig", &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", exchange_pub), - GNUNET_JSON_spec_end () - }; - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } key_state = TALER_EXCHANGE_get_keys (dwh->exchange); if (GNUNET_OK != TALER_EXCHANGE_test_signing_key (key_state, @@ -120,7 +108,7 @@ verify_deposit_wtid_signature_ok ( if (GNUNET_OK != GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE, &dwh->depconf, - &exchange_sig.eddsa_signature, + &exchange_sig->eddsa_signature, &exchange_pub->eddsa_pub)) { GNUNET_break_op (0); @@ -144,12 +132,6 @@ handle_deposit_wtid_finished (void *cls, const void *response) { struct TALER_EXCHANGE_DepositGetHandle *dwh = cls; - const struct TALER_WireTransferIdentifierRawP *wtid = NULL; - struct GNUNET_TIME_Absolute execution_time = GNUNET_TIME_UNIT_FOREVER_ABS; - const struct TALER_Amount *coin_contribution = NULL; - struct TALER_Amount coin_contribution_s; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangePublicKeyP *ep = NULL; const json_t *j = response; struct TALER_EXCHANGE_HttpResponse hr = { .reply = j, @@ -164,10 +146,13 @@ handle_deposit_wtid_finished (void *cls, break; case MHD_HTTP_OK: { + struct TALER_EXCHANGE_DepositData dd; struct GNUNET_JSON_Specification spec[] = { GNUNET_JSON_spec_fixed_auto ("wtid", &dwh->depconf.wtid), - GNUNET_JSON_spec_absolute_time ("execution_time", &execution_time), - TALER_JSON_spec_amount ("coin_contribution", &coin_contribution_s), + GNUNET_JSON_spec_absolute_time ("execution_time", &dd.execution_time), + TALER_JSON_spec_amount ("coin_contribution", &dd.coin_contribution), + GNUNET_JSON_spec_fixed_auto ("exchange_sig", &dd.exchange_sig), + GNUNET_JSON_spec_fixed_auto ("exchange_pub", &dd.exchange_pub), GNUNET_JSON_spec_end () }; @@ -181,15 +166,15 @@ handle_deposit_wtid_finished (void *cls, hr.ec = TALER_EC_DEPOSITS_INVALID_BODY_BY_EXCHANGE; break; } - wtid = &dwh->depconf.wtid; - dwh->depconf.execution_time = GNUNET_TIME_absolute_hton (execution_time); + dwh->depconf.execution_time = GNUNET_TIME_absolute_hton ( + dd.execution_time); TALER_amount_hton (&dwh->depconf.coin_contribution, - &coin_contribution_s); - coin_contribution = &coin_contribution_s; + &dd.coin_contribution); if (GNUNET_OK != verify_deposit_wtid_signature_ok (dwh, j, - &exchange_pub)) + &dd.exchange_pub, + &dd.exchange_sig)) { GNUNET_break_op (0); hr.http_status = 0; @@ -197,13 +182,19 @@ handle_deposit_wtid_finished (void *cls, } else { - ep = &exchange_pub; + dd.wtid = dwh->depconf.wtid; + dwh->cb (dwh->cb_cls, + &hr, + &dd); + TALER_EXCHANGE_deposits_get_cancel (dwh); + return; } } break; case MHD_HTTP_ACCEPTED: { /* Transaction known, but not executed yet */ + struct GNUNET_TIME_Absolute execution_time; struct GNUNET_JSON_Specification spec[] = { GNUNET_JSON_spec_absolute_time ("execution_time", &execution_time), GNUNET_JSON_spec_end () @@ -219,6 +210,18 @@ handle_deposit_wtid_finished (void *cls, hr.ec = TALER_EC_DEPOSITS_INVALID_BODY_BY_EXCHANGE; break; } + else + { + struct TALER_EXCHANGE_DepositData dd = { + .execution_time = execution_time + }; + + dwh->cb (dwh->cb_cls, + &hr, + &dd); + TALER_EXCHANGE_deposits_get_cancel (dwh); + return; + } } break; case MHD_HTTP_BAD_REQUEST: @@ -259,10 +262,7 @@ handle_deposit_wtid_finished (void *cls, } dwh->cb (dwh->cb_cls, &hr, - ep, - wtid, - execution_time, - coin_contribution); + NULL); TALER_EXCHANGE_deposits_get_cancel (dwh); } diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c index 6fa8979d0..283f77043 100644 --- a/src/lib/exchange_api_handle.c +++ b/src/lib/exchange_api_handle.c @@ -39,7 +39,7 @@ * Which version of the Taler protocol is implemented * by this library? Used to determine compatibility. */ -#define EXCHANGE_PROTOCOL_CURRENT 7 +#define EXCHANGE_PROTOCOL_CURRENT 8 /** * How many versions are we backwards compatible with? diff --git a/src/lib/exchange_api_melt.c b/src/lib/exchange_api_melt.c index f89036e40..0695f997b 100644 --- a/src/lib/exchange_api_melt.c +++ b/src/lib/exchange_api_melt.c @@ -445,11 +445,11 @@ TALER_EXCHANGE_melt (struct TALER_EXCHANGE_Handle *exchange, char pub_str[sizeof (struct TALER_CoinSpendPublicKeyP) * 2]; char *end; - end = GNUNET_STRINGS_data_to_string (&melt.coin_pub, - sizeof (struct - TALER_CoinSpendPublicKeyP), - pub_str, - sizeof (pub_str)); + end = GNUNET_STRINGS_data_to_string ( + &melt.coin_pub, + sizeof (struct TALER_CoinSpendPublicKeyP), + pub_str, + sizeof (pub_str)); *end = '\0'; GNUNET_snprintf (arg_str, sizeof (arg_str), diff --git a/src/lib/exchange_api_refund.c b/src/lib/exchange_api_refund.c index c64dcc97a..1af1f14b9 100644 --- a/src/lib/exchange_api_refund.c +++ b/src/lib/exchange_api_refund.c @@ -81,23 +81,23 @@ struct TALER_EXCHANGE_RefundHandle * Verify that the signature on the "200 OK" response * from the exchange is valid. * - * @param rh refund handle + * @param[in,out] rh refund handle (refund fee added) * @param json json reply with the signature * @param[out] exchange_pub set to the exchange's public key * @param[out] exchange_sig set to the exchange's signature * @return #GNUNET_OK if the signature is valid, #GNUNET_SYSERR if not */ static int -verify_refund_signature_ok (const struct TALER_EXCHANGE_RefundHandle *rh, +verify_refund_signature_ok (struct TALER_EXCHANGE_RefundHandle *rh, const json_t *json, struct TALER_ExchangePublicKeyP *exchange_pub, struct TALER_ExchangeSignatureP *exchange_sig) - { const struct TALER_EXCHANGE_Keys *key_state; struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("sig", exchange_sig), - GNUNET_JSON_spec_fixed_auto ("pub", exchange_pub), + GNUNET_JSON_spec_fixed_auto ("exchange_sig", exchange_sig), + GNUNET_JSON_spec_fixed_auto ("exchange_pub", exchange_pub), + TALER_JSON_spec_amount_nbo ("refund_fee", &rh->depconf.refund_fee), GNUNET_JSON_spec_end () }; @@ -148,12 +148,15 @@ handle_refund_finished (void *cls, struct TALER_ExchangeSignatureP exchange_sig; struct TALER_ExchangePublicKeyP *ep = NULL; struct TALER_ExchangeSignatureP *es = NULL; + struct TALER_Amount ra; + const struct TALER_Amount *rf = NULL; const json_t *j = response; struct TALER_EXCHANGE_HttpResponse hr = { .reply = j, .http_status = (unsigned int) response_code }; + rh->job = NULL; switch (response_code) { @@ -175,6 +178,9 @@ handle_refund_finished (void *cls, { ep = &exchange_pub; es = &exchange_sig; + TALER_amount_ntoh (&ra, + &rh->depconf.refund_fee); + rf = &ra; } break; case MHD_HTTP_BAD_REQUEST: @@ -233,6 +239,7 @@ handle_refund_finished (void *cls, } rh->cb (rh->cb_cls, &hr, + rf, ep, es); TALER_EXCHANGE_refund_cancel (rh); @@ -256,7 +263,6 @@ handle_refund_finished (void *cls, * @param amount the amount to be refunded; must be larger than the refund fee * (as that fee is still being subtracted), and smaller than the amount * (with deposit fee) of the original deposit contribution of this coin - * @param refund_fee fee applicable to this coin for the refund * @param h_contract_terms hash of the contact of the merchant with the customer that is being refunded * @param coin_pub coin’s public key of the coin from the original deposit operation * @param rtransaction_id transaction id for the transaction between merchant and customer (of refunding operation); @@ -272,7 +278,6 @@ handle_refund_finished (void *cls, struct TALER_EXCHANGE_RefundHandle * TALER_EXCHANGE_refund (struct TALER_EXCHANGE_Handle *exchange, const struct TALER_Amount *amount, - const struct TALER_Amount *refund_fee, const struct GNUNET_HashCode *h_contract_terms, const struct TALER_CoinSpendPublicKeyP *coin_pub, uint64_t rtransaction_id, @@ -294,14 +299,11 @@ TALER_EXCHANGE_refund (struct TALER_EXCHANGE_Handle *exchange, rr.rtransaction_id = GNUNET_htonll (rtransaction_id); TALER_amount_hton (&rr.refund_amount, amount); - TALER_amount_hton (&rr.refund_fee, - refund_fee); GNUNET_CRYPTO_eddsa_sign (&merchant_priv->eddsa_priv, &rr, &merchant_sig.eddsa_sig); return TALER_EXCHANGE_refund2 (exchange, amount, - refund_fee, h_contract_terms, coin_pub, rtransaction_id, @@ -329,7 +331,6 @@ TALER_EXCHANGE_refund (struct TALER_EXCHANGE_Handle *exchange, * @param amount the amount to be refunded; must be larger than the refund fee * (as that fee is still being subtracted), and smaller than the amount * (with deposit fee) of the original deposit contribution of this coin - * @param refund_fee fee applicable to this coin for the refund * @param h_contract_terms hash of the contact of the merchant with the customer that is being refunded * @param coin_pub coin’s public key of the coin from the original deposit operation * @param rtransaction_id transaction id for the transaction between merchant and customer (of refunding operation); @@ -346,7 +347,6 @@ TALER_EXCHANGE_refund (struct TALER_EXCHANGE_Handle *exchange, struct TALER_EXCHANGE_RefundHandle * TALER_EXCHANGE_refund2 (struct TALER_EXCHANGE_Handle *exchange, const struct TALER_Amount *amount, - const struct TALER_Amount *refund_fee, const struct GNUNET_HashCode *h_contract_terms, const struct TALER_CoinSpendPublicKeyP *coin_pub, uint64_t rtransaction_id, @@ -376,12 +376,11 @@ TALER_EXCHANGE_refund2 (struct TALER_EXCHANGE_Handle *exchange, "/coins/%s/refund", pub_str); } - refund_obj = json_pack ("{s:o, s:o," /* amount/fee */ + refund_obj = json_pack ("{s:o," /* amount */ " s:o," /* h_contract_terms */ " s:I," /* rtransaction id */ " s:o, s:o}", /* merchant_pub, merchant_sig */ "refund_amount", TALER_JSON_from_amount (amount), - "refund_fee", TALER_JSON_from_amount (refund_fee), "h_contract_terms", GNUNET_JSON_from_data_auto ( h_contract_terms), "rtransaction_id", (json_int_t) rtransaction_id, @@ -410,8 +409,6 @@ TALER_EXCHANGE_refund2 (struct TALER_EXCHANGE_Handle *exchange, rh->depconf.rtransaction_id = GNUNET_htonll (rtransaction_id); TALER_amount_hton (&rh->depconf.refund_amount, amount); - TALER_amount_hton (&rh->depconf.refund_fee, - refund_fee); eh = TALER_EXCHANGE_curl_easy_get_ (rh->url); if ( (NULL == eh) || diff --git a/src/lib/exchange_api_transfers_get.c b/src/lib/exchange_api_transfers_get.c index 552536958..6b5bba8e8 100644 --- a/src/lib/exchange_api_transfers_get.c +++ b/src/lib/exchange_api_transfers_get.c @@ -85,24 +85,18 @@ check_transfers_get_response_ok ( const json_t *json) { json_t *details_j; - struct GNUNET_HashCode h_wire; - struct GNUNET_TIME_Absolute exec_time; - struct TALER_Amount total_amount; + struct TALER_EXCHANGE_TransferData td; struct TALER_Amount total_expected; - struct TALER_Amount wire_fee; struct TALER_MerchantPublicKeyP merchant_pub; - unsigned int num_details; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangeSignatureP exchange_sig; struct GNUNET_JSON_Specification spec[] = { - TALER_JSON_spec_amount ("total", &total_amount), - TALER_JSON_spec_amount ("wire_fee", &wire_fee), + TALER_JSON_spec_amount ("total", &td.total_amount), + TALER_JSON_spec_amount ("wire_fee", &td.wire_fee), GNUNET_JSON_spec_fixed_auto ("merchant_pub", &merchant_pub), - GNUNET_JSON_spec_fixed_auto ("h_wire", &h_wire), - GNUNET_JSON_spec_absolute_time ("execution_time", &exec_time), + GNUNET_JSON_spec_fixed_auto ("h_wire", &td.h_wire), + GNUNET_JSON_spec_absolute_time ("execution_time", &td.execution_time), GNUNET_JSON_spec_json ("deposits", &details_j), - GNUNET_JSON_spec_fixed_auto ("exchange_sig", &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", &exchange_pub), + GNUNET_JSON_spec_fixed_auto ("exchange_sig", &td.exchange_sig), + GNUNET_JSON_spec_fixed_auto ("exchange_pub", &td.exchange_pub), GNUNET_JSON_spec_end () }; struct TALER_EXCHANGE_HttpResponse hr = { @@ -119,22 +113,32 @@ check_transfers_get_response_ok ( return GNUNET_SYSERR; } if (GNUNET_OK != - TALER_amount_get_zero (total_amount.currency, + TALER_amount_get_zero (td.total_amount.currency, &total_expected)) { GNUNET_break_op (0); + GNUNET_JSON_parse_free (spec); return GNUNET_SYSERR; } - num_details = json_array_size (details_j); + if (GNUNET_OK != + TALER_EXCHANGE_test_signing_key ( + TALER_EXCHANGE_get_keys (wdh->exchange), + &td.exchange_pub)) + { + GNUNET_break_op (0); + GNUNET_JSON_parse_free (spec); + return GNUNET_SYSERR; + } + td.details_length = json_array_size (details_j); { - struct TALER_TrackTransferDetails details[num_details]; - unsigned int i; struct GNUNET_HashContext *hash_context; - struct TALER_WireDepositDetailP dd; - struct TALER_WireDepositDataPS wdp; + struct TALER_TrackTransferDetails *details; + details = GNUNET_new_array (td.details_length, + struct TALER_TrackTransferDetails); + td.details = details; hash_context = GNUNET_CRYPTO_hash_context_start (); - for (i = 0; i<num_details; i++) + for (unsigned int i = 0; i<td.details_length; i++) { struct TALER_TrackTransferDetails *detail = &details[i]; struct json_t *detail_j = json_array_get (details_j, i); @@ -147,25 +151,17 @@ check_transfers_get_response_ok ( GNUNET_JSON_spec_end () }; - if (GNUNET_OK != - GNUNET_JSON_parse (detail_j, - spec_detail, - NULL, NULL)) - { - GNUNET_break_op (0); - GNUNET_CRYPTO_hash_context_abort (hash_context); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - /* build up big hash for signature checking later */ - dd.h_contract_terms = detail->h_contract_terms; - dd.execution_time = GNUNET_TIME_absolute_hton (exec_time); - dd.coin_pub = detail->coin_pub; - TALER_amount_hton (&dd.deposit_value, - &detail->coin_value); - TALER_amount_hton (&dd.deposit_fee, - &detail->coin_fee); - if ( (0 > + if ( (GNUNET_OK != + GNUNET_JSON_parse (detail_j, + spec_detail, + NULL, NULL)) || + (GNUNET_OK != + TALER_amount_cmp_currency (&total_expected, + &detail->coin_value)) || + (GNUNET_OK != + TALER_amount_cmp_currency (&total_expected, + &detail->coin_fee)) || + (0 > TALER_amount_add (&total_expected, &total_expected, &detail->coin_value)) || @@ -177,71 +173,78 @@ check_transfers_get_response_ok ( GNUNET_break_op (0); GNUNET_CRYPTO_hash_context_abort (hash_context); GNUNET_JSON_parse_free (spec); + GNUNET_free (details); return GNUNET_SYSERR; } - GNUNET_CRYPTO_hash_context_read ( - hash_context, - &dd, - sizeof (struct TALER_WireDepositDetailP)); + /* build up big hash for signature checking later */ + { + struct TALER_WireDepositDetailP dd; + + dd.h_contract_terms = detail->h_contract_terms; + dd.execution_time = GNUNET_TIME_absolute_hton (td.execution_time); + dd.coin_pub = detail->coin_pub; + TALER_amount_hton (&dd.deposit_value, + &detail->coin_value); + TALER_amount_hton (&dd.deposit_fee, + &detail->coin_fee); + GNUNET_CRYPTO_hash_context_read (hash_context, + &dd, + sizeof (dd)); + } } /* Check signature */ - wdp.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE_DEPOSIT); - wdp.purpose.size = htonl (sizeof (struct TALER_WireDepositDataPS)); - TALER_amount_hton (&wdp.total, - &total_amount); - TALER_amount_hton (&wdp.wire_fee, - &wire_fee); - wdp.merchant_pub = merchant_pub; - wdp.h_wire = h_wire; - GNUNET_CRYPTO_hash_context_finish (hash_context, - &wdp.h_details); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (TALER_EXCHANGE_get_keys ( - wdh->exchange), - &exchange_pub)) { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify ( - TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE_DEPOSIT, - &wdp, - &exchange_sig.eddsa_signature, - &exchange_pub.eddsa_pub)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; + struct TALER_WireDepositDataPS wdp = { + .purpose.purpose = htonl ( + TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE_DEPOSIT), + .purpose.size = htonl (sizeof (wdp)), + .merchant_pub = merchant_pub, + .h_wire = td.h_wire + }; + + TALER_amount_hton (&wdp.total, + &td.total_amount); + TALER_amount_hton (&wdp.wire_fee, + &td.wire_fee); + GNUNET_CRYPTO_hash_context_finish (hash_context, + &wdp.h_details); + if (GNUNET_OK != + GNUNET_CRYPTO_eddsa_verify ( + TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE_DEPOSIT, + &wdp, + &td.exchange_sig.eddsa_signature, + &td.exchange_pub.eddsa_pub)) + { + GNUNET_break_op (0); + GNUNET_JSON_parse_free (spec); + GNUNET_free (details); + return GNUNET_SYSERR; + } } if (0 > TALER_amount_subtract (&total_expected, &total_expected, - &wire_fee)) + &td.wire_fee)) { GNUNET_break_op (0); GNUNET_JSON_parse_free (spec); + GNUNET_free (details); return GNUNET_SYSERR; } if (0 != TALER_amount_cmp (&total_expected, - &total_amount)) + &td.total_amount)) { GNUNET_break_op (0); GNUNET_JSON_parse_free (spec); + GNUNET_free (details); return GNUNET_SYSERR; } wdh->cb (wdh->cb_cls, &hr, - &exchange_pub, - &h_wire, - exec_time, - &total_amount, - &wire_fee, - num_details, - details); + &td); + GNUNET_free (details); } GNUNET_JSON_parse_free (spec); TALER_EXCHANGE_transfers_get_cancel (wdh); @@ -322,12 +325,7 @@ handle_transfers_get_finished (void *cls, } wdh->cb (wdh->cb_cls, &hr, - NULL, - NULL, - GNUNET_TIME_UNIT_ZERO_ABS, - NULL, - NULL, - 0, NULL); + NULL); TALER_EXCHANGE_transfers_get_cancel (wdh); } diff --git a/src/lib/exchange_api_withdraw2.c b/src/lib/exchange_api_withdraw2.c index f9468927a..25f669143 100644 --- a/src/lib/exchange_api_withdraw2.c +++ b/src/lib/exchange_api_withdraw2.c @@ -429,8 +429,6 @@ TALER_EXCHANGE_withdraw2 ( TALER_amount_hton (&req.amount_with_fee, &wh->requested_amount); - TALER_amount_hton (&req.withdraw_fee, - &dk->fee_withdraw); GNUNET_CRYPTO_hash (pd->coin_ev, pd->coin_ev_size, &req.h_coin_envelope); |