postTransaction method
Post a new transaction with raw payload raw
Implementation
Future<Map> postTransaction(String raw) async {
var headers = {
'accept': 'application/json',
'Content-Type': 'application/json',
};
var data = '{"raw":"$raw"}';
var u = Uri.parse('$url/transactions');
var res = await http.post(u, headers: headers, body: data);
if (res.statusCode != 200) {
var r = res.body;
throw Exception('http.post error: statusCode= ${res.statusCode}, $r');
}
return json.decode(res.body);
}