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catch abi parsing errors

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julian 2023-05-01 11:18:38 -06:00
parent dad35470f8
commit 35ea94a209
1 changed files with 46 additions and 36 deletions
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82
lib/utilities/extensions/impl/contract_abi.dart
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@ -1,5 +1,6 @@
import 'dart:convert'; import 'dart:convert';
import 'package:stackwallet/utilities/logger.dart';
import 'package:web3dart/web3dart.dart'; import 'package:web3dart/web3dart.dart';
extension ContractAbiExtensions on ContractAbi { extension ContractAbiExtensions on ContractAbi {
@ -7,52 +8,61 @@ extension ContractAbiExtensions on ContractAbi {
required String name, required String name,
required String jsonList, required String jsonList,
}) { }) {
final List<ContractFunction> functions = []; try {
final List<ContractEvent> events = []; final List<ContractFunction> functions = [];
final List<ContractEvent> events = [];
final list = List<Map<String, dynamic>>.from(jsonDecode(jsonList) as List); final list =
List<Map<String, dynamic>>.from(jsonDecode(jsonList) as List);
for (final json in list) { for (final json in list) {
final type = json["type"] as String; final type = json["type"] as String;
final name = json["name"] as String? ?? ""; final name = json["name"] as String? ?? "";
if (type == "event") { if (type == "event") {
final anonymous = json["anonymous"] as bool? ?? false; final anonymous = json["anonymous"] as bool? ?? false;
final List<EventComponent<dynamic>> components = []; final List<EventComponent<dynamic>> components = [];
if (json["inputs"] is List) { if (json["inputs"] is List) {
for (final input in json["inputs"] as List) { for (final input in json["inputs"] as List) {
components.add( components.add(
EventComponent( EventComponent(
_parseParam(input as Map), _parseParam(input as Map),
input['indexed'] as bool? ?? false, input['indexed'] as bool? ?? false,
),
);
}
}
events.add(ContractEvent(anonymous, name, components));
} else {
final mutability = _mutabilityNames[json['stateMutability']];
final parsedType = _functionTypeNames[json['type']];
if (parsedType != null) {
final inputs = _parseParams(json['inputs'] as List?);
final outputs = _parseParams(json['outputs'] as List?);
functions.add(
ContractFunction(
name,
inputs,
outputs: outputs,
type: parsedType,
mutability: mutability ?? StateMutability.nonPayable,
), ),
); );
} }
} }
events.add(ContractEvent(anonymous, name, components));
} else {
final mutability = _mutabilityNames[json['stateMutability']];
final parsedType = _functionTypeNames[json['type']];
if (parsedType != null) {
final inputs = _parseParams(json['inputs'] as List?);
final outputs = _parseParams(json['outputs'] as List?);
functions.add(
ContractFunction(
name,
inputs,
outputs: outputs,
type: parsedType,
mutability: mutability ?? StateMutability.nonPayable,
),
);
}
} }
}
return ContractAbi(name, functions, events); return ContractAbi(name, functions, events);
} catch (e, s) {
Logging.instance.log(
"Failed to parse ABI for $name: $e\n$s",
level: LogLevel.Error,
);
rethrow;
}
} }
static const Map<String, ContractFunctionType> _functionTypeNames = { static const Map<String, ContractFunctionType> _functionTypeNames = {