isValid method

bool isValid()

Returns true of the chain is valid. For detail information take a look at the pairs field.

Implementation

bool isValid() {
  var valid = true;
  if (pairs != null) {
    for (var p in pairs!) {
      valid = p.isValid();
      if (valid == false) {
        break;
      }
    }
  }
  return valid;
}