sclass BitGetCredentials {
  settable S name;
  settable S apiKey;
  settable S passphrase;
  settable S secretKey;
  
  toString {
    ret joinNempties(" with ",
      spaceCombine(shortClassName(this), quoteOrEmpty(name)),
      commaCombine(
        nempty(apiKey) ? "apiKey " + roundBracket(nCharacters(apiKey)) : null,
        nempty(passphrase) ? "passphrase " + roundBracket(nCharacters(passphrase)) : null,
        nempty(secretKey) ? "secretKey " + roundBracket(nCharacters(secretKey)) : null));
  }
  
  static BitGetCredentials fromFile(File f) {
    var credMap = parseColonPropertyCIMap(loadTextFile(f));
    ret new BitGetCredentials()
      .apiKey(credMap.get("API-Key"))
      .passphrase(credMap.get("Passphrase"))
      .secretKey(credMap.get("SecretKey"))
      .name(credMap.get("Name"));
  }
  
  void save(File f) {
    saveTextFile(f, formatColonProperties(litorderedmap(
      "API-Key" := apiKey,
      "Passphrase" := passphrase,
      "SecretKey" := secretKey,
      "Name" := name
    )));
  }
  
  bool complete() {
    ret nempty(apiKey) && nempty(passphrase) && nempty(secretKey);
  }
}