onResonse method
Implementation
@override
FeeHistory? onResonse(result) {
if (result == null || result['gasUsedRatio'] == null) return null;
return FeeHistory.fromJson(result);
}
@override
FeeHistory? onResonse(result) {
if (result == null || result['gasUsedRatio'] == null) return null;
return FeeHistory.fromJson(result);
}