Pascal (Lazarus/Delphi)

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. 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.StringBuilder,
  Chilkat.HttpResponse,
  Chilkat.CkDateTime,
  Chilkat.Crypt2;

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

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  crypt: TCrypt2;
  apiPath: string;
  apiKey: string;
  apiSecret: string;
  dt: TCkDateTime;
  sbNonce: TStringBuilder;
  nonce: string;
  body: string;
  sbSignature: TStringBuilder;
  sig: string;
  resp: THttpResponse;

begin
  success := False;

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

  http := THttp.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 := TCrypt2.Create;

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

  dt := TCkDateTime.Create;
  dt.SetFromCurrentSystemTime();

  sbNonce := TStringBuilder.Create;
  sbNonce.Append(dt.GetAsUnixTimeStr(False));
  sbNonce.Append('000');
  nonce := sbNonce.GetAsString();

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

  sbSignature := TStringBuilder.Create;
  sbSignature.Append('/api/');
  sbSignature.Append(apiPath);
  sbSignature.Append(nonce);
  sbSignature.Append(body);

  crypt.EncodingMode := 'hex_lower';
  crypt.HashAlgorithm := 'sha384';
  crypt.MacAlgorithm := 'hmac';
  crypt.SetMacKeyString(apiSecret);

  sig := crypt.MacStringENC(sbSignature.GetAsString());

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

  resp := THttpResponse.Create;
  success := http.HttpNoBody('POST','https://api.bitfinex.com/v2/auth/r/info/user',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  WriteLn('Response body:');
  WriteLn(resp.BodyStr);

  //  Sample response body:

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


  http.Free;
  crypt.Free;
  dt.Free;
  sbNonce.Free;
  sbSignature.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.