Transaction.fromJson constructor
Create a new Transaction instance by parsing a JSON map.
Implementation
factory Transaction.fromJson(Map<String, dynamic> json) {
final rawData = TransactionRaw.fromJson(json['raw_data']);
final signature = (json['signature'] as List)
.map((s) => BytesUtils.fromHexString(s))
.toList();
return Transaction(rawData: rawData, signature: signature);
}