taler-docs

Documentation for GNU Taler components, APIs and protocols
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get-private-orders-ORDER_ID.rst (9912B)


      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:`400 Bad Request`:
     38     A query parameter or HTTP header is malformed.
     39     Returned with ``TALER_EC_GENERIC_PARAMETER_MALFORMED`` or
     40     ``TALER_EC_GENERIC_HTTP_HEADERS_MALFORMED``.
     41   :http:statuscode:`404 Not found`:
     42     The order or instance is unknown to the backend. Error code
     43     is set to either ``TALER_EC_MERCHANT_GENERIC_ORDER_UNKNOWN`` or
     44     ``TALER_EC_MERCHANT_GENERIC_INSTANCE_UNKNOWN``.
     45   :http:statuscode:`500 Internal Server Error`:
     46     The server experienced an internal failure.
     47     Returned with ``TALER_EC_GENERIC_DB_FETCH_FAILED``,
     48     ``TALER_EC_GENERIC_DB_INVARIANT_FAILURE``,
     49     ``TALER_EC_GENERIC_FAILED_COMPUTE_JSON_HASH``,
     50     ``TALER_EC_MERCHANT_GENERIC_DB_CONTRACT_CONTENT_INVALID`` or
     51     ``TALER_EC_MERCHANT_GET_ORDERS_ID_INVALID_CONTRACT_VERSION``.
     52 
     53   **Details:**
     54 
     55   .. ts:def:: MerchantOrderStatusResponse
     56 
     57     type MerchantOrderStatusResponse = CheckPaymentPaidResponse |
     58                                        CheckPaymentClaimedResponse |
     59                                        CheckPaymentUnpaidResponse;
     60 
     61   .. ts:def:: CheckPaymentPaidResponse
     62 
     63     interface CheckPaymentPaidResponse {
     64       // The customer paid for this contract.
     65       order_status: "paid";
     66 
     67       // Was the payment refunded (even partially)?
     68       refunded: boolean;
     69 
     70       // True if there are any approved refunds that the wallet has
     71       // not yet obtained.
     72       refund_pending: boolean;
     73 
     74       // Did the exchange wire us the funds?
     75       wired: boolean;
     76 
     77       // Total amount the exchange deposited into our bank account
     78       // for this contract, excluding fees.
     79       deposit_total: Amount;
     80 
     81       // Numeric `error code <error-codes>` indicating errors the exchange
     82       // encountered tracking the wire transfer for this purchase (before
     83       // we even got to specific coin issues).
     84       // 0 if there were no issues.
     85       exchange_code: Integer;
     86 
     87       // HTTP status code returned by the exchange when we asked for
     88       // information to track the wire transfer for this purchase.
     89       // 0 if there were no issues.
     90       exchange_http_status: Integer;
     91 
     92       // Total amount that was refunded, 0 if refunded is false.
     93       refund_amount: Amount;
     94 
     95       // Contract terms.
     96       contract_terms: ContractTerms;
     97 
     98       // Index of the selected choice within the ``choices`` array of
     99       // ``contract terms``.
    100       // @since protocol **v21**
    101       choice_index?: Integer;
    102 
    103       // If the order is paid, set to the last time when a payment
    104       // was made to pay for this order. @since **v14**.
    105       last_payment: Timestamp;
    106 
    107       // The wire transfer status from the exchange for this order if
    108       // available, otherwise empty array.
    109       wire_details: TransactionWireTransfer[];
    110 
    111       // Groups about trouble obtaining wire transfer details,
    112       // empty array if no trouble were encountered.
    113       // @deprecated in protocol **v6**.
    114       wire_groups: TransactionWireReport[];
    115 
    116       // The refund details for this order.  One entry per
    117       // refunded coin; empty array if there are no refunds.
    118       refund_details: RefundDetails[];
    119 
    120       // Status URL, can be used as a redirect target for the browser
    121       // to show the order QR code / trigger the wallet.
    122       order_status_url: string;
    123     }
    124 
    125   .. ts:def:: CheckPaymentClaimedResponse
    126 
    127     interface CheckPaymentClaimedResponse {
    128       // A wallet claimed the order, but did not yet pay for the contract.
    129       order_status: "claimed";
    130 
    131       // Contract terms.
    132       contract_terms: ContractTerms;
    133 
    134       // Status URL, can be used as a redirect target for the browser
    135       // to show the order QR code / trigger the wallet.
    136       // Since protocol **v19**.
    137       order_status_url: string;
    138     }
    139 
    140   .. ts:def:: CheckPaymentUnpaidResponse
    141 
    142     interface CheckPaymentUnpaidResponse {
    143       // The order was not yet claimed (and thus certainly also
    144       // not yet paid).
    145       order_status: "unpaid";
    146 
    147       // URI that the wallet must process to complete the payment.
    148       taler_pay_uri: string;
    149 
    150       // Time when the order was created.
    151       creation_time: Timestamp;
    152 
    153       // Deadline when the offer expires; the customer must pay before.
    154       // @since protocol **v21**.
    155       // @deprecated in **v25** (use proto_contract_terms.pay_deadline instead).
    156       pay_deadline: Timestamp;
    157 
    158       // Order summary text.
    159       // @deprecated in **v25** (use proto_contract_terms.summary instead).
    160       summary: string;
    161 
    162       // We cannot return the "final" contract terms here because
    163       // the ``nonce`` is not available because the wallet did not yet
    164       // claim the order.
    165       // So the "ProtoContractTerms" are basically the contract terms,
    166       // but without the ``nonce``.
    167       // @since protocol **v25**.
    168       proto_contract_terms: ProtoContractTerms;
    169 
    170       // Total amount of the order (to be paid by the customer).
    171       // Will be undefined for unpaid v1 orders
    172       // @deprecated in **v25** (use proto_contract_terms instead).
    173       total_amount?: Amount;
    174 
    175       // Alternative order ID which was paid for already in the same session.
    176       // Only given if the same product was purchased before in the same session.
    177       already_paid_order_id?: string;
    178 
    179       // Fulfillment URL of an already paid order. Only given if under this
    180       // session an already paid order with a fulfillment URL exists.
    181       already_paid_fulfillment_url?: string;
    182 
    183       // Status URL, can be used as a redirect target for the browser
    184       // to show the order QR code / trigger the wallet.
    185       order_status_url: string;
    186 
    187     }
    188 
    189   .. ts:def:: RefundDetails
    190 
    191     interface RefundDetails {
    192       // Reason given for the refund.
    193       reason: string;
    194 
    195       // True if a refund is still available for the wallet for this payment.
    196       pending: boolean;
    197 
    198       // When was the refund approved with a POST to
    199       // [/instances/$INSTANCE]/private/orders/$ORDER_ID/refund
    200       timestamp: Timestamp;
    201 
    202       // Total amount that was refunded (minus a refund fee).
    203       amount: Amount;
    204     }
    205 
    206   .. ts:def:: TransactionWireTransfer
    207 
    208     interface TransactionWireTransfer {
    209       // Responsible exchange.
    210       exchange_url: string;
    211 
    212       // 32-byte wire transfer identifier.
    213       wtid: Base32;
    214 
    215       // Execution time of the wire transfer.
    216       execution_time: Timestamp;
    217 
    218       // Total amount that has been wire transferred
    219       // to the merchant from this exchange for this
    220       // purchase. The ``deposit_fee`` was already
    221       // subtracted. However, the ``wire_fee`` may still
    222       // apply (but not to the order, only to the aggregated transfer).
    223       amount: Amount;
    224 
    225       // Deposit fees to be paid to the
    226       // exchange for this order.
    227       // Since **v26**.
    228       deposit_fee: Amount;
    229 
    230       // Was this transfer confirmed by the merchant via the
    231       // POST /transfers API, or is it merely claimed by the exchange?
    232       confirmed: boolean;
    233 
    234       // Transfer serial ID of this wire transfer, useful as
    235       // ``offset`` for the GET ``/private/incoming`` endpoint.
    236       // Since **v25**.
    237       expected_transfer_serial_id: Integer;
    238     }
    239 
    240   .. ts:def:: TransactionWireReport
    241 
    242     interface TransactionWireReport {
    243       // Numerical `error code <error-codes>`.
    244       code: Integer;
    245 
    246       // Human-readable error description.
    247       hint: string;
    248 
    249       // Numerical `error code <error-codes>` from the exchange.
    250       exchange_code: Integer;
    251 
    252       // HTTP status code received from the exchange.
    253       exchange_http_status: Integer;
    254 
    255       // Public key of the coin for which we got the exchange error.
    256       coin_pub: CoinPublicKey;
    257     }