(C++) ETrade Preview Order

The Preview Order API is used to submit an order request for preview before placing it.

For more information, see https://apisb.etrade.com/docs/api/order/api-order-v1.html#/definition/orderPreview

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#include <CkHttp.h>
#include <CkJsonObject.h>
#include <CkXml.h>
#include <CkHttpResponse.h>

void ChilkatSample(void)
    {
    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http;

    http.put_OAuth1(true);
    http.put_OAuthVerifier("");
    http.put_OAuthConsumerKey("ETRADE_CONSUMER_KEY");
    http.put_OAuthConsumerSecret("ETRADE_CONSUMER_SECRET");

    // Load the access token previously obtained via the OAuth1 Authorization
    CkJsonObject jsonToken;
    bool success = jsonToken.LoadFile("qa_data/tokens/etrade.json");
    if (success != true) {
        std::cout << "Failed to load OAuth1 token" << "\r\n";
        return;
    }

    http.put_OAuthToken(jsonToken.stringOf("oauth_token"));
    http.put_OAuthTokenSecret(jsonToken.stringOf("oauth_token_secret"));

    const char *sandboxUrl = "https://apisb.etrade.com/v1/accounts/{$accountIdKey}/orders/preview";
    const char *liveUrl = "https://api.etrade.com/v1/accounts/{$accountIdKey}/orders/preview";

    http.SetUrlVar("accountIdKey","6_Dpy0rmuQ9cu9IbTfvF2A");

    // Send a POST with the following XML body

    // Use this online tool to generate the code from sample XML: 
    // Generate Code to Create XML

    // <?xml version="1.0" encoding="UTF-8"?>
    // <PreviewOrderRequest>
    //    <orderType>EQ</orderType>
    //    <clientOrderId>sdfer333</clientOrderId>
    //    <Order>
    //       <allOrNone>false</allOrNone>
    //       <priceType>LIMIT</priceType>
    //       <orderTerm>GOOD_FOR_DAY</orderTerm>
    //       <marketSession>REGULAR</marketSession>
    //       <stopPrice />
    //       <limitPrice>188.51</limitPrice>
    //       <Instrument>
    //          <Product>
    //             <securityType>EQ</securityType>
    //             <symbol>FB</symbol>
    //          </Product>
    //          <orderAction>BUY</orderAction>
    //          <quantityType>QUANTITY</quantityType>
    //          <quantity>10</quantity>
    //       </Instrument>
    //    </Order>
    // </PreviewOrderRequest>

    CkXml xml;
    xml.put_Tag("PreviewOrderRequest");
    xml.UpdateChildContent("orderType","EQ");
    xml.UpdateChildContent("clientOrderId","sdfer333");
    xml.UpdateChildContent("Order|allOrNone","false");
    xml.UpdateChildContent("Order|priceType","LIMIT");
    xml.UpdateChildContent("Order|orderTerm","GOOD_FOR_DAY");
    xml.UpdateChildContent("Order|marketSession","REGULAR");
    xml.UpdateChildContent("Order|stopPrice","");
    xml.UpdateChildContent("Order|limitPrice","188.51");
    xml.UpdateChildContent("Order|Instrument|Product|securityType","EQ");
    xml.UpdateChildContent("Order|Instrument|Product|symbol","FB");
    xml.UpdateChildContent("Order|Instrument|orderAction","BUY");
    xml.UpdateChildContent("Order|Instrument|quantityType","QUANTITY");
    xml.UpdateChildContent("Order|Instrument|quantity","10");
    xml.put_EmitCompact(true);

    http.SetRequestHeader("Content-Type","application/xml");

    CkHttpResponse *resp = http.PostXml(sandboxUrl,xml.getXml(),"utf-8");
    if (http.get_LastMethodSuccess() != true) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    // Make sure a successful response was received.
    if (resp->get_StatusCode() > 200) {
        std::cout << resp->statusLine() << "\r\n";
        std::cout << resp->header() << "\r\n";
        std::cout << resp->bodyStr() << "\r\n";
        return;
    }

    // Sample XML response:

    // Use this online tool to generate parsing code from sample XML: 
    // Generate Parsing Code from XML

    // <?xml version="1.0" encoding="UTF-8"?>
    // <PreviewOrderResponse>
    //    <orderType>EQ</orderType>
    //    <totalOrderValue>1892.05</totalOrderValue>
    //    <Order>
    //       <orderTerm>GOOD_FOR_DAY</orderTerm>
    //       <priceType>LIMIT</priceType>
    //       <limitPrice>188.51</limitPrice>
    //       <stopPrice>0</stopPrice>
    //       <marketSession>REGULAR</marketSession>
    //       <allOrNone>false</allOrNone>
    //       <Instrument>
    //          <Product>
    //             <symbol>FB</symbol>
    //             <securityType>EQ</securityType>
    //          </Product>
    //          <symbolDescription>FACEBOOK INC CL A</symbolDescription>
    //          <orderAction>BUY</orderAction>
    //          <quantityType>QUANTITY</quantityType>
    //          <quantity>10</quantity>
    //          <cancelQuantity>0.0</cancelQuantity>
    //          <reserveOrder>true</reserveOrder>
    //          <reserveQuantity>0.0</reserveQuantity>
    //       </Instrument>
    //       <messages>
    //          <Message>
    //             <code>1042</code>
    //             <description>200|You have an existing open order for this security on the same side of the market. If you did not intend to place a second order for this security, please modify your order now.</description>
    //             <type>WARNING</type>
    //          </Message>
    //          <Message>
    //             <code>3093</code>
    //             <description>Position Concentrated.</description>
    //             <type>WARNING</type>
    //          </Message>
    //       </messages>
    //       <egQual>EG_QUAL_NOT_A_MARKET_ORDER</egQual>
    //       <estimatedCommission>6.95</estimatedCommission>
    //       <estimatedTotalAmount>1892.05</estimatedTotalAmount>
    //       <netPrice>0</netPrice>
    //       <netBid>0</netBid>
    //       <netAsk>0</netAsk>
    //       <gcd>0</gcd>
    //       <ratio />
    //    </Order>
    //    <PreviewIds>
    //       <previewId>1020563279</previewId>
    //    </PreviewIds>
    //    <previewTime>1529018458516</previewTime>
    //    <dstFlag>true</dstFlag>
    //    <accountId>84246841</accountId>
    //    <optionLevelCd>4</optionLevelCd>
    //    <marginLevelCd>MARGIN_TRADING_ALLOWED</marginLevelCd>
    //    <Disclosure>
    //       <ahDisclosureFlag>false</ahDisclosureFlag>
    //       <aoDisclosureFlag>false</aoDisclosureFlag>
    //       <conditionalDisclosureFlag>true</conditionalDisclosureFlag>
    //       <ehDisclosureFlag>false</ehDisclosureFlag>
    //    </Disclosure>
    //    <cashBpDetails>
    //      <settled>
    //        <currentBp>5000.00</currentBp>
    //        <currentNetBp>5000.00</currentNetBp>
    //        <currentOor>0.00</currentOor>
    //        <currentOrderImpact>64.95</currentOrderImpact>
    //        <netBp>4935.05</netBp>
    //     </settled>
    //     <settledUnsettled>
    //       <currentBp>5000.00</currentBp>
    //       <currentNetBp>5000.00</currentNetBp>
    //       <currentOor>0.00</currentOor>
    //       <currentOrderImpact>64.95</currentOrderImpact>
    //       <netBp>4935.05</netBp>
    //       </settledUnsettled>
    //    </cashBpDetails>
    // </PreviewOrderResponse>

    xml.LoadXml(resp->bodyStr());
    std::cout << xml.getXml() << "\r\n";

    const char *orderType = 0;
    const char *totalOrderValue = 0;
    const char *orderTerm = 0;
    const char *priceType = 0;
    const char *limitPrice = 0;
    int stopPrice;
    const char *marketSession = 0;
    const char *allOrNone = 0;
    const char *symbol = 0;
    const char *securityType = 0;
    const char *symbolDescription = 0;
    const char *orderAction = 0;
    const char *quantityType = 0;
    int quantity;
    const char *cancelQuantity = 0;
    const char *reserveOrder = 0;
    const char *reserveQuantity = 0;
    int i;
    int count_i;
    int code;
    const char *description = 0;
    const char *v_type = 0;
    const char *egQual = 0;
    const char *estimatedCommission = 0;
    const char *estimatedTotalAmount = 0;
    int netPrice;
    int netBid;
    int netAsk;
    int gcd;
    int previewId;
    const char *previewTime = 0;
    const char *dstFlag = 0;
    int accountId;
    int optionLevelCd;
    const char *marginLevelCd = 0;
    const char *ahDisclosureFlag = 0;
    const char *aoDisclosureFlag = 0;
    const char *conditionalDisclosureFlag = 0;
    const char *ehDisclosureFlag = 0;
    const char *currentBp = 0;
    const char *currentNetBp = 0;
    const char *currentOor = 0;
    const char *currentOrderImpact = 0;
    const char *netBp = 0;

    orderType = xml.getChildContent("orderType");
    totalOrderValue = xml.getChildContent("totalOrderValue");
    orderTerm = xml.getChildContent("Order|orderTerm");
    priceType = xml.getChildContent("Order|priceType");
    limitPrice = xml.getChildContent("Order|limitPrice");
    stopPrice = xml.GetChildIntValue("Order|stopPrice");
    marketSession = xml.getChildContent("Order|marketSession");
    allOrNone = xml.getChildContent("Order|allOrNone");
    symbol = xml.getChildContent("Order|Instrument|Product|symbol");
    securityType = xml.getChildContent("Order|Instrument|Product|securityType");
    symbolDescription = xml.getChildContent("Order|Instrument|symbolDescription");
    orderAction = xml.getChildContent("Order|Instrument|orderAction");
    quantityType = xml.getChildContent("Order|Instrument|quantityType");
    quantity = xml.GetChildIntValue("Order|Instrument|quantity");
    cancelQuantity = xml.getChildContent("Order|Instrument|cancelQuantity");
    reserveOrder = xml.getChildContent("Order|Instrument|reserveOrder");
    reserveQuantity = xml.getChildContent("Order|Instrument|reserveQuantity");
    i = 0;
    count_i = xml.NumChildrenHavingTag("Order|messages|Message");
    while (i < count_i) {
        xml.put_I(i);
        code = xml.GetChildIntValue("Order|messages|Message[i]|code");
        description = xml.getChildContent("Order|messages|Message[i]|description");
        v_type = xml.getChildContent("Order|messages|Message[i]|type");
        i = i + 1;
    }

    egQual = xml.getChildContent("Order|egQual");
    estimatedCommission = xml.getChildContent("Order|estimatedCommission");
    estimatedTotalAmount = xml.getChildContent("Order|estimatedTotalAmount");
    netPrice = xml.GetChildIntValue("Order|netPrice");
    netBid = xml.GetChildIntValue("Order|netBid");
    netAsk = xml.GetChildIntValue("Order|netAsk");
    gcd = xml.GetChildIntValue("Order|gcd");
    previewId = xml.GetChildIntValue("PreviewIds|previewId");
    previewTime = xml.getChildContent("previewTime");
    dstFlag = xml.getChildContent("dstFlag");
    accountId = xml.GetChildIntValue("accountId");
    optionLevelCd = xml.GetChildIntValue("optionLevelCd");
    marginLevelCd = xml.getChildContent("marginLevelCd");
    ahDisclosureFlag = xml.getChildContent("Disclosure|ahDisclosureFlag");
    aoDisclosureFlag = xml.getChildContent("Disclosure|aoDisclosureFlag");
    conditionalDisclosureFlag = xml.getChildContent("Disclosure|conditionalDisclosureFlag");
    ehDisclosureFlag = xml.getChildContent("Disclosure|ehDisclosureFlag");
    currentBp = xml.getChildContent("cashBpDetails|settled|currentBp");
    currentNetBp = xml.getChildContent("cashBpDetails|settled|currentNetBp");
    currentOor = xml.getChildContent("cashBpDetails|settled|currentOor");
    currentOrderImpact = xml.getChildContent("cashBpDetails|settled|currentOrderImpact");
    netBp = xml.getChildContent("cashBpDetails|settled|netBp");
    currentBp = xml.getChildContent("cashBpDetails|settledUnsettled|currentBp");
    currentNetBp = xml.getChildContent("cashBpDetails|settledUnsettled|currentNetBp");
    currentOor = xml.getChildContent("cashBpDetails|settledUnsettled|currentOor");
    currentOrderImpact = xml.getChildContent("cashBpDetails|settledUnsettled|currentOrderImpact");
    netBp = xml.getChildContent("cashBpDetails|settledUnsettled|netBp");

    std::cout << "Success." << "\r\n";
    }