ChainHeadEvent.fromJson constructor

ChainHeadEvent.fromJson(Map<String, dynamic> json)

Parse a chainHead event from a JSON map.

Implementation

factory ChainHeadEvent.fromJson(Map<String, dynamic> json) {
  final String event = json['event'] as String;
  switch (event) {
    case 'initialized':
      return ChainHeadInitialized.fromJson(json);
    case 'newBlock':
      return ChainHeadNewBlock.fromJson(json);
    case 'bestBlockChanged':
      return ChainHeadBestBlockChanged.fromJson(json);
    case 'finalized':
      return ChainHeadFinalized.fromJson(json);
    case 'stop':
      return const ChainHeadStop();
    case 'operationBodyDone':
      return ChainHeadOperationBodyDone.fromJson(json);
    case 'operationCallDone':
      return ChainHeadOperationCallDone.fromJson(json);
    case 'operationStorageItems':
      return ChainHeadOperationStorageItems.fromJson(json);
    case 'operationStorageDone':
      return ChainHeadOperationStorageDone.fromJson(json);
    case 'operationError':
      return ChainHeadOperationError.fromJson(json);
    case 'operationInaccessible':
      return ChainHeadOperationInaccessible.fromJson(json);
    default:
      throw Exception('Unknown chainHead event type: $event');
  }
}