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Pascal (Lazarus/Delphi)

ETrade Preview Order

See more ETrade Examples

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

Chilkat Pascal (Lazarus/Delphi) Downloads

Pascal (Lazarus/Delphi)
program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.HttpResponse,
  Chilkat.Xml,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  jsonToken: TJsonObject;
  sandboxUrl: string;
  liveUrl: string;
  xml: TXml;
  resp: THttpResponse;
  orderType: string;
  totalOrderValue: string;
  orderTerm: string;
  priceType: string;
  limitPrice: string;
  stopPrice: Integer;
  marketSession: string;
  allOrNone: string;
  symbol: string;
  securityType: string;
  symbolDescription: string;
  orderAction: string;
  quantityType: string;
  quantity: Integer;
  cancelQuantity: string;
  reserveOrder: string;
  reserveQuantity: string;
  i: Integer;
  count_i: Integer;
  code: Integer;
  description: string;
  v_type: string;
  egQual: string;
  estimatedCommission: string;
  estimatedTotalAmount: string;
  netPrice: Integer;
  netBid: Integer;
  netAsk: Integer;
  gcd: Integer;
  previewId: Integer;
  previewTime: string;
  dstFlag: string;
  accountId: Integer;
  optionLevelCd: Integer;
  marginLevelCd: string;
  ahDisclosureFlag: string;
  aoDisclosureFlag: string;
  conditionalDisclosureFlag: string;
  ehDisclosureFlag: string;
  currentBp: string;
  currentNetBp: string;
  currentOor: string;
  currentOrderImpact: string;
  netBp: string;

begin
  success := False;

  //  This requires the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  http := THttp.Create;

  http.OAuth1 := True;
  http.OAuthVerifier := '';
  http.OAuthConsumerKey := 'ETRADE_CONSUMER_KEY';
  http.OAuthConsumerSecret := 'ETRADE_CONSUMER_SECRET';

  //  Load the access token previously obtained via the OAuth1 Authorization
  jsonToken := TJsonObject.Create;
  success := jsonToken.LoadFile('qa_data/tokens/etrade.json');
  if (success <> True) then
    begin
      WriteLn('Failed to load OAuth1 token');
      Exit;
    end;

  http.OAuthToken := jsonToken.StringOf('oauth_token');
  http.OAuthTokenSecret := jsonToken.StringOf('oauth_token_secret');

  sandboxUrl := 'https://apisb.etrade.com/v1/accounts/{$accountIdKey}/orders/preview';
  liveUrl := 'https://api.etrade.com/v1/accounts/{$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>

  xml := TXml.Create;
  xml.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.EmitCompact := True;

  resp := THttpResponse.Create;
  success := http.HttpStr('POST',sandboxUrl,xml.GetXml(),'utf-8','application/xml',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  //  Make sure a successful response was received.
  if (resp.StatusCode > 200) then
    begin
      WriteLn(resp.StatusLine);
      WriteLn(resp.Header);
      WriteLn(resp.BodyStr);
      Exit;
    end;

  //  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);
  WriteLn(xml.GetXml());

  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 do
    begin
      xml.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;
    end;

  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');

  WriteLn('Success.');


  http.Free;
  jsonToken.Free;
  xml.Free;
  resp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.