(Delphi DLL) ETrade Cancel Order

The cancel order API is used to cancel an existing order.

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

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpResponse, Xml, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
jsonToken: HCkJsonObject;
success: Boolean;
sandboxUrl: PWideChar;
liveUrl: PWideChar;
xml: HCkXml;
resp: HCkHttpResponse;
accountId: Integer;
orderId: Integer;
cancelTime: PWideChar;
code: Integer;
description: PWideChar;
v_type: PWideChar;

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

http := CkHttp_Create();

CkHttp_putOAuth1(http,True);
CkHttp_putOAuthVerifier(http,'');
CkHttp_putOAuthConsumerKey(http,'ETRADE_CONSUMER_KEY');
CkHttp_putOAuthConsumerSecret(http,'ETRADE_CONSUMER_SECRET');

// Load the access token previously obtained via the OAuth1 Authorization
jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/etrade.json');
if (success <> True) then
  begin
    Memo1.Lines.Add('Failed to load OAuth1 token');
    Exit;
  end;

CkHttp_putOAuthToken(http,CkJsonObject__stringOf(jsonToken,'oauth_token'));
CkHttp_putOAuthTokenSecret(http,CkJsonObject__stringOf(jsonToken,'oauth_token_secret'));

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

CkHttp_SetUrlVar(http,'accountIdKey','6_Dpy0rmuQ9cu9IbTfvF2A');

// Send a PUT with the following XML body

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

// <CancelOrderRequest>
//    <orderId>11</orderId>
// </CancelOrderRequest>

xml := CkXml_Create();
CkXml_putTag(xml,'CancelOrderRequest');
CkXml_UpdateChildContent(xml,'orderId','11');
CkXml_putEmitCompact(xml,True);

resp := CkHttp_PText(http,'PUT',sandboxUrl,CkXml__getXml(xml),'utf-8','application/xml',False,False);
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

// Make sure a successful response was received.
if (CkHttpResponse_getStatusCode(resp) > 200) then
  begin
    Memo1.Lines.Add(CkHttpResponse__statusLine(resp));
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));
    Exit;
  end;

// Sample XML response:

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

// <CancelOrderResponse>
//    <accountId>63438617</accountId>
//    <orderId>11</orderId>
//    <cancelTime>1529563499081</cancelTime>
//    <Messages>
//       <Message>
//          <code>5011</code>
//          <description>200|Your request to cancel your order is being processed.</description>
//          <type>WARNING</type>
//       </Message>
//    </Messages>
// </CancelOrderResponse>

CkXml_LoadXml(xml,CkHttpResponse__bodyStr(resp));
Memo1.Lines.Add(CkXml__getXml(xml));

accountId := CkXml_GetChildIntValue(xml,'accountId');
orderId := CkXml_GetChildIntValue(xml,'orderId');
cancelTime := CkXml__getChildContent(xml,'cancelTime');
code := CkXml_GetChildIntValue(xml,'Messages|Message|code');
description := CkXml__getChildContent(xml,'Messages|Message|description');
v_type := CkXml__getChildContent(xml,'Messages|Message|type');

Memo1.Lines.Add('Success.');

CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonToken);
CkXml_Dispose(xml);

end;