diff options
Diffstat (limited to 'src/backend/taler-merchant-httpd_pay.c')
| -rw-r--r-- | src/backend/taler-merchant-httpd_pay.c | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/src/backend/taler-merchant-httpd_pay.c b/src/backend/taler-merchant-httpd_pay.c index 59aa211c..02c2ef04 100644 --- a/src/backend/taler-merchant-httpd_pay.c +++ b/src/backend/taler-merchant-httpd_pay.c @@ -42,6 +42,38 @@ extern PGconn *db_conn; extern long long salt; /** + * Fetch the deposit fee related to the given coin aggregate. + * @param connection the connection to send an error response to + * @param coin_aggregate a coin "aggregate" is the JSON set of + * values contained in a single cell of the 'coins' array sent + * in a payment + * @param deposit_fee where to store the resulting deposi fee + * @param mint_index the index which points the chosen mint within + * the global 'mints' array + * @return GNUNET_OK if successful, GNUNET_NO if the data supplied + * is invalid, GNUNET_SYSERR upon internal errors + */ +int +deposit_fee_from_coin_json (struct MHD_Connection *connection, + json_t *coin_aggregate, + struct TALER_Amount *deposit_fee, + unsigned int mint_index) +{ + int res; + struct TALER_DenominationPublicKey denom; + struct TMH_PARSE_FieldSpecification spec[] = { + TMH_PARSE_member_denomination_public_key ("denom_pub", &denom); + }; + + res = TMH_PARSE_json_data (connection, + coin_aggregate, + spec); + if (GNUNET_OK != res) + return res; + /* Iterate over the mint keys to get the wanted data */ +} + +/** * Accomplish this payment. * @param rh context of the handler * @param connection the MHD connection to handle @@ -62,12 +94,17 @@ MH_handler_pay (struct TMH_RequestHandler *rh, json_t *root; json_t *coins; - + json_t *chosen_mint; + json_t *coin_aggregate; + unsigned int ncoins; int res; + struct TMH_PARSE_FieldSpecification spec[] = { + TMH_PARSE_member_array ("coins", &coins); + TMH_PARSE_member_object ("mint", &chosen_mint); + }; struct TALER_Amount max_deposit_fee; //struct TALER_Amount acc_deposit_fee; //struct TALER_Amount coin_deposit_fee; - res = TMH_PARSE_post_json (connection, connection_cls, upload_data, @@ -83,9 +120,17 @@ MH_handler_pay (struct TMH_RequestHandler *rh, /* 0 What if the coin gives zero-length coins array? */ - /* 1 Check if the total deposit fee is \leq the limit */ + + res = TMH_PARSE_json_data (connection, + coin_aggregate, + spec); - /* 2 Check if the chosen mint is among the merchant's preferred. + if (GNUNET_YES != res) + return (GNUNET_NO == res) ? MHD_YES : MHD_NO; + if (0 == ncoins) + return TMH_RESPONSE_reply_external_error (connection, + "empty coin array"); + /* 1 Check if the chosen mint is among the merchant's preferred. An error in this case could be due to: @@ -100,6 +145,11 @@ MH_handler_pay (struct TMH_RequestHandler *rh, */ + /* 2 Check if the total deposit fee is \leq the limit */ + ncoins = json_array_size (coins); + if (NULL == (coin_aggregate = json_array_get (coins, 0))) + return MHD_NO; + /* 3 For each coin in DB a. Generate a deposit permission |