taler-docs

Documentation for GNU Taler components, APIs and protocols
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get-private-orders-ORDER_ID.rst (9465B)


      1 .. http:get:: [/instances/$INSTANCE]/private/orders/$ORDER_ID
      2 
      3   Merchant checks the payment status of an order.  If the order exists but is not paid
      4   and not claimed yet, the response provides a redirect URL.  When the user goes to this URL,
      5   they will be prompted for payment.  Differs from the ``public`` API both
      6   in terms of what information is returned and in that the wallet must provide
      7   the contract hash to authenticate, while for this API we assume that the
      8   merchant is authenticated (as the endpoint is not ``public``).
      9 
     10   **Required permission:** ``orders-read``
     11 
     12   **Request:**
     13 
     14   :query session_id: *Optional*. Session ID that the payment must be bound to.  If not specified, the payment is not session-bound.
     15   :query transfer: Deprecated in protocol **V6**. *Optional*. If set to "YES", try to obtain the wire transfer status for this order from the exchange. Otherwise, the wire transfer status MAY be returned if it is available.
     16   :query timeout_ms: *Optional*. Timeout in milliseconds to wait for a payment if the answer would otherwise be negative (long polling).
     17   :query lp_not_etag=ETAG: *Optional*.
     18     Specifies what status change we are long-polling for.
     19     If specified, the endpoint will only return once the returned "Etag"
     20     would differ from the ETAG specified by the client. The "Etag"
     21     is computed over the entire response body, and thus assured to change
     22     whenever any data point in the response changes. This is ideal for
     23     clients that want to learn about any change in the response.  Clients
     24     using this query parameter should probably also set a "If-none-match"
     25     HTTP header so that if the ``timeout_ms`` expires, they can get back
     26     a "304 Not modified" with an empty body if nothing changed.
     27   :query allow_refunded_for_repurchase: *Optional*. Since protocol **v9** refunded orders are only returned under "already_paid_order_id" if this flag is set explicitly to "YES".
     28 
     29   **Response:**
     30 
     31   :http:statuscode:`200 OK`:
     32     Returns a `MerchantOrderStatusResponse`, whose format can differ based on the status of the payment.
     33   :http:statuscode:`304 Not modified`:
     34     The ``ETag`` in the response did not change compared to the one
     35     given in the ``If-none-match`` HTTP header specified by the client.
     36     @since protocol **v25**.
     37   :http:statuscode:`404 Not found`:
     38     The order or instance is unknown to the backend. Error code
     39     is set to either ``MERCHANT_GENERIC_ORDER_UNKNOWN`` or
     40     ``MERCHANT_GENERIC_INSTANCE_UNKNOWN``.
     41   :http:statuscode:`500 Internal Server Error`:
     42     The server experienced an internal failure.
     43     Returned with ``TALER_EC_GENERIC_DB_FETCH_FAILED``.
     44 
     45   **Details:**
     46 
     47   .. ts:def:: MerchantOrderStatusResponse
     48 
     49     type MerchantOrderStatusResponse = CheckPaymentPaidResponse |
     50                                        CheckPaymentClaimedResponse |
     51                                        CheckPaymentUnpaidResponse;
     52 
     53   .. ts:def:: CheckPaymentPaidResponse
     54 
     55     interface CheckPaymentPaidResponse {
     56       // The customer paid for this contract.
     57       order_status: "paid";
     58 
     59       // Was the payment refunded (even partially)?
     60       refunded: boolean;
     61 
     62       // True if there are any approved refunds that the wallet has
     63       // not yet obtained.
     64       refund_pending: boolean;
     65 
     66       // Did the exchange wire us the funds?
     67       wired: boolean;
     68 
     69       // Total amount the exchange deposited into our bank account
     70       // for this contract, excluding fees.
     71       deposit_total: Amount;
     72 
     73       // Numeric `error code <error-codes>` indicating errors the exchange
     74       // encountered tracking the wire transfer for this purchase (before
     75       // we even got to specific coin issues).
     76       // 0 if there were no issues.
     77       exchange_code: Integer;
     78 
     79       // HTTP status code returned by the exchange when we asked for
     80       // information to track the wire transfer for this purchase.
     81       // 0 if there were no issues.
     82       exchange_http_status: Integer;
     83 
     84       // Total amount that was refunded, 0 if refunded is false.
     85       refund_amount: Amount;
     86 
     87       // Contract terms.
     88       contract_terms: ContractTerms;
     89 
     90       // Index of the selected choice within the ``choices`` array of
     91       // ``contract terms``.
     92       // @since protocol **v21**
     93       choice_index?: Integer;
     94 
     95       // If the order is paid, set to the last time when a payment
     96       // was made to pay for this order. @since **v14**.
     97       last_payment: Timestamp;
     98 
     99       // The wire transfer status from the exchange for this order if
    100       // available, otherwise empty array.
    101       wire_details: TransactionWireTransfer[];
    102 
    103       // Groups about trouble obtaining wire transfer details,
    104       // empty array if no trouble were encountered.
    105       // @deprecated in protocol **v6**.
    106       wire_groups: TransactionWireReport[];
    107 
    108       // The refund details for this order.  One entry per
    109       // refunded coin; empty array if there are no refunds.
    110       refund_details: RefundDetails[];
    111 
    112       // Status URL, can be used as a redirect target for the browser
    113       // to show the order QR code / trigger the wallet.
    114       order_status_url: string;
    115     }
    116 
    117   .. ts:def:: CheckPaymentClaimedResponse
    118 
    119     interface CheckPaymentClaimedResponse {
    120       // A wallet claimed the order, but did not yet pay for the contract.
    121       order_status: "claimed";
    122 
    123       // Contract terms.
    124       contract_terms: ContractTerms;
    125 
    126       // Status URL, can be used as a redirect target for the browser
    127       // to show the order QR code / trigger the wallet.
    128       // Since protocol **v19**.
    129       order_status_url: string;
    130     }
    131 
    132   .. ts:def:: CheckPaymentUnpaidResponse
    133 
    134     interface CheckPaymentUnpaidResponse {
    135       // The order was not yet claimed (and thus certainly also
    136       // not yet paid).
    137       order_status: "unpaid";
    138 
    139       // URI that the wallet must process to complete the payment.
    140       taler_pay_uri: string;
    141 
    142       // Time when the order was created.
    143       creation_time: Timestamp;
    144 
    145       // Deadline when the offer expires; the customer must pay before.
    146       // @since protocol **v21**.
    147       // @deprecated in **v25** (use proto_contract_terms.pay_deadline instead).
    148       pay_deadline: Timestamp;
    149 
    150       // Order summary text.
    151       // @deprecated in **v25** (use proto_contract_terms.summary instead).
    152       summary: string;
    153 
    154       // We cannot return the "final" contract terms here because
    155       // the ``nonce`` is not available because the wallet did not yet
    156       // claim the order.
    157       // So the "ProtoContractTerms" are basically the contract terms,
    158       // but without the ``nonce``.
    159       // @since protocol **v25**.
    160       proto_contract_terms: ProtoContractTerms;
    161 
    162       // Total amount of the order (to be paid by the customer).
    163       // Will be undefined for unpaid v1 orders
    164       // @deprecated in **v25** (use proto_contract_terms instead).
    165       total_amount?: Amount;
    166 
    167       // Alternative order ID which was paid for already in the same session.
    168       // Only given if the same product was purchased before in the same session.
    169       already_paid_order_id?: string;
    170 
    171       // Fulfillment URL of an already paid order. Only given if under this
    172       // session an already paid order with a fulfillment URL exists.
    173       already_paid_fulfillment_url?: string;
    174 
    175       // Status URL, can be used as a redirect target for the browser
    176       // to show the order QR code / trigger the wallet.
    177       order_status_url: string;
    178 
    179     }
    180 
    181   .. ts:def:: RefundDetails
    182 
    183     interface RefundDetails {
    184       // Reason given for the refund.
    185       reason: string;
    186 
    187       // True if a refund is still available for the wallet for this payment.
    188       pending: boolean;
    189 
    190       // When was the refund approved with a POST to
    191       // [/instances/$INSTANCE]/private/orders/$ORDER_ID/refund
    192       timestamp: Timestamp;
    193 
    194       // Total amount that was refunded (minus a refund fee).
    195       amount: Amount;
    196     }
    197 
    198   .. ts:def:: TransactionWireTransfer
    199 
    200     interface TransactionWireTransfer {
    201       // Responsible exchange.
    202       exchange_url: string;
    203 
    204       // 32-byte wire transfer identifier.
    205       wtid: Base32;
    206 
    207       // Execution time of the wire transfer.
    208       execution_time: Timestamp;
    209 
    210       // Total amount that has been wire transferred
    211       // to the merchant from this exchange for this
    212       // purchase. The ``deposit_fee`` was already
    213       // subtracted. However, the ``wire_fee`` may still
    214       // apply (but not to the order, only to the aggregated transfer).
    215       amount: Amount;
    216 
    217       // Deposit fees to be paid to the
    218       // exchange for this order.
    219       // Since **v26**.
    220       deposit_fee: Amount;
    221 
    222       // Was this transfer confirmed by the merchant via the
    223       // POST /transfers API, or is it merely claimed by the exchange?
    224       confirmed: boolean;
    225 
    226       // Transfer serial ID of this wire transfer, useful as
    227       // ``offset`` for the GET ``/private/incoming`` endpoint.
    228       // Since **v25**.
    229       expected_transfer_serial_id: Integer;
    230     }
    231 
    232   .. ts:def:: TransactionWireReport
    233 
    234     interface TransactionWireReport {
    235       // Numerical `error code <error-codes>`.
    236       code: Integer;
    237 
    238       // Human-readable error description.
    239       hint: string;
    240 
    241       // Numerical `error code <error-codes>` from the exchange.
    242       exchange_code: Integer;
    243 
    244       // HTTP status code received from the exchange.
    245       exchange_http_status: Integer;
    246 
    247       // Public key of the coin for which we got the exchange error.
    248       coin_pub: CoinPublicKey;
    249     }