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(Delphi DLL) ETrade - Place Equity Order (JSON version)Shows how to place an equity order using ETrade with OAuth1 authorization. See https://developer.etrade.com/ctnt/dev-portal/getDetail?contentUri=V0_Documentation-OrderAPI-PlaceEquityOrder for more information.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpResponse, JsonObject; ... procedure TForm1.Button1Click(Sender: TObject); var http: HCkHttp; jsonToken: HCkJsonObject; success: Boolean; json: HCkJsonObject; resp: HCkHttpResponse; statusCode: Integer; begin // This example assumes the Chilkat HTTP 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 3-Legged 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')); // Build the JSON request body json := CkJsonObject_Create(); CkJsonObject_UpdateString(json,'PlaceEquityOrder.-xmlns','http://order.etws.etrade.com'); // The accountId should be an 8-digit number such as "83405188" CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.accountId','MY_ETRADE_ACCOUNT_ID'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.clientOrderId','45'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.limitPrice','3'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.quantity','4'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.symbol','ETFC'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.orderAction','BUY'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.priceType','LIMIT'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.marketSession','REGULAR'); CkJsonObject_UpdateString(json,'PlaceEquityOrder.EquityOrderRequest.orderTerm','GOOD_FOR_DAY'); CkJsonObject_putEmitCompact(json,False); Memo1.Lines.Add(CkJsonObject__emit(json)); // The above code builds the following JSON: // { // "PlaceEquityOrder": { // "-xmlns": "http://order.etws.etrade.com", // "EquityOrderRequest": { // "accountId": "83405188", // "clientOrderId": "45", // "limitPrice": "3", // "quantity": "4", // "symbol": "ETFC", // "orderAction": "BUY", // "priceType": "LIMIT", // "marketSession": "REGULAR", // "orderTerm": "GOOD_FOR_DAY" // } // } // } // POST the JSON and get the response. CkJsonObject_putEmitCompact(json,True); // Set the Accept property to get a JSON response. CkHttp_putAccept(http,'application/json'); // This example uses the sandbox URL. The live URL is "https://etws.etrade.com/order/rest/placeequityorder" resp := CkHttp_PostJson2(http,'https://etwssandbox.etrade.com/order/sandbox/rest/placeequityorder','application/json',CkJsonObject__emit(json)); if (CkHttp_getLastMethodSuccess(http) <> True) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; // Examine the response status code. statusCode := CkHttpResponse_getStatusCode(resp); Memo1.Lines.Add('Status Code = ' + IntToStr(statusCode)); // Load the JSON response body: CkJsonObject_Load(json,CkHttpResponse__bodyStr(resp)); CkJsonObject_putEmitCompact(json,False); // If the status code was not 200, then it was an error.. if (statusCode <> 200) then begin Memo1.Lines.Add(CkJsonObject__emit(json)); Memo1.Lines.Add('Equity order failed.'); Exit; end; Memo1.Lines.Add(CkJsonObject__emit(json)); CkHttpResponse_Dispose(resp); // To examine some information from the JSON: Memo1.Lines.Add('quantity: ' + IntToStr(CkJsonObject_IntOf(json,'PlaceEquityOrderResponse.EquityOrderResponse.quantity'))); Memo1.Lines.Add('msgDesc: ' + CkJsonObject__stringOf(json,'PlaceEquityOrderResponse.EquityOrderResponse.messageList.msgDesc')); // etc .. // This is a sample response: // { // "PlaceEquityOrderResponse": { // "EquityOrderResponse": { // "accountId": 83310056, // "allOrNone": false, // "estimatedCommission": 9.99, // "estimatedTotalAmount": 1909.99, // "messageList": { // "msgDesc": "Your order was successfully entered during market hours.", // "msgCode": 1026 // }, // "orderNum": 277, // "orderTime": 1240982042179, // "quantity": 100, // "reserveOrder": false, // "reserveQuantity": 0, // "orderTerm": "GOOD_UNTIL_CANCEL", // "limitPrice": 18, // "stopPrice": 0, // "symbolDesc": "CISCO SYS INC COM", // "symbol": "CSCO", // "orderAction": "BUY", // "priceType": "LIMIT" // } // } // } // CkHttp_Dispose(http); CkJsonObject_Dispose(jsonToken); CkJsonObject_Dispose(json); end; |
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