Eip712TypedData.fromJson constructor

Eip712TypedData.fromJson(Map<String, dynamic> json, { EIP712Version version = EIP712Version.v4, })

Implementation

factory Eip712TypedData.fromJson(
  Map<String, dynamic> json, {
  EIP712Version version = EIP712Version.v4,
}) {
  try {
    final jsonTypes = Map<String, List<dynamic>>.from(json["types"]);
    final Map<String, List<Eip712TypeDetails>> types = {};

    for (final i in jsonTypes.entries) {
      final List values = i.value;
      List<Eip712TypeDetails> eip712Types =
          values.map((e) => Eip712TypeDetails.fromJson(e)).toList();
      types[i.key] = eip712Types;
    }
    return Eip712TypedData(
        types: types,
        primaryType: json["primaryType"],
        domain: json["domain"],
        message: json["message"],
        version: version);
  } catch (e) {
    throw const MessageException("invalid EIP712 json struct");
  }
}