Delphi DLL

Bitfinex v2 REST User Info

See more Bitfinex v2 REST Examples

Retrieve the user ID, email, username and timezone setting for the account associated with the API key used. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, HttpResponse, CkDateTime, Crypt2;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
crypt: HCkCrypt2;
apiPath: PWideChar;
apiKey: PWideChar;
apiSecret: PWideChar;
dt: HCkDateTime;
sbNonce: HCkStringBuilder;
nonce: PWideChar;
body: PWideChar;
sbSignature: HCkStringBuilder;
sig: PWideChar;
resp: HCkHttpResponse;

begin
success := False;

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

http := CkHttp_Create();

// Implements the following CURL command:

// curl -X POST -H "bfx-nonce: nonce" \
//   -H "bfx-apikey: apiKey" \
//   -H "bfx-signature: sig" \ 
//   https://api.bitfinex.com/v2/auth/r/info/user

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

crypt := CkCrypt2_Create();

apiPath := 'v2/auth/r/info/user';
apiKey := 'MY_API_KEY';
apiSecret := 'MY_API_SECRET';

dt := CkDateTime_Create();
CkDateTime_SetFromCurrentSystemTime(dt);

sbNonce := CkStringBuilder_Create();
CkStringBuilder_Append(sbNonce,CkDateTime__getAsUnixTimeStr(dt,False));
CkStringBuilder_Append(sbNonce,'000');
nonce := CkStringBuilder__getAsString(sbNonce);

// This particular request has an empty body.
body := '';

sbSignature := CkStringBuilder_Create();
CkStringBuilder_Append(sbSignature,'/api/');
CkStringBuilder_Append(sbSignature,apiPath);
CkStringBuilder_Append(sbSignature,nonce);
CkStringBuilder_Append(sbSignature,body);

CkCrypt2_putEncodingMode(crypt,'hex_lower');
CkCrypt2_putHashAlgorithm(crypt,'sha384');
CkCrypt2_putMacAlgorithm(crypt,'hmac');
CkCrypt2_SetMacKeyString(crypt,apiSecret);

sig := CkCrypt2__macStringENC(crypt,CkStringBuilder__getAsString(sbSignature));

CkHttp_SetRequestHeader(http,'bfx-apikey',apiKey);
CkHttp_SetRequestHeader(http,'bfx-signature',sig);
CkHttp_SetRequestHeader(http,'bfx-nonce',nonce);

resp := CkHttpResponse_Create();
success := CkHttp_HttpNoBody(http,'POST','https://api.bitfinex.com/v2/auth/r/info/user',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response body:');
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

// Sample response body:

// [1234567,"joe@example.com","joe_trader",1527691729000,0,null,null,"Central Time (US & Canada)"]

CkHttp_Dispose(http);
CkCrypt2_Dispose(crypt);
CkDateTime_Dispose(dt);
CkStringBuilder_Dispose(sbNonce);
CkStringBuilder_Dispose(sbSignature);
CkHttpResponse_Dispose(resp);

end;