15663061800

Committed 15 Jun 2025 12:13PM UTC coverage: 84.0%. First build

Build # 15663061800

Build Type

push

github

Committed by

code-z2

Commit Message

feat: implement EIP-712 structured data signing

- Add core EIP-712 signing functionality with v3/v4 support
- Introduce TypedDataEncoder class for message encoding
- Add domain separator and type validation support
- Implement comprehensive type handling including arrays and custom structs
- Add utilities for hex/bigint conversions and ABI encoding
- Include example usage and update documentation
- Set up CI/CD with coverage reporting

Run Details

210 of 250 new or added lines in 5 files covered. (84.0%)

210 of 250 relevant lines covered (84.0%)

1.24 hits per line

Source File
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93.75

/lib/src/extensions.dart

part of 'typed_data.dart';

extension MessageTypesIndexing on MessageTypes {
  Object operator [](String key) => when(
    eip712Domain: (domain) {
      return domain[key] ??
          (throw ArgumentError(
            'Failed to get value for field `$key`: value was null',
          ));
    },
    additionalData: (dataMap) {
      if (!dataMap.containsKey(key)) {
        throw ArgumentError(
          'Failed to get value for field `$key`: key not found',
        );
      }
      return dataMap[key]!;
    },
  );

  T when<T>({
    required T Function(EIP712Domain domain) eip712Domain,
    required T Function(Map<String, dynamic> dataMap) additionalData,
  }) {
    if (this is Eip712Domain) {
      return eip712Domain(value as EIP712Domain);
    }
    if (this is AdditionalData) {
      return additionalData(value as Map<String, dynamic>);
    }
    throw StateError('Unhandled Union case: $this');
  }
}

1	part of 'typed_data.dart';
2
3	extension MessageTypesIndexing on MessageTypes {
4	Object operator [](String key) => when(	2✔
5	eip712Domain: (domain) {	1✔
6	return domain[key] ??	1✔
7	(throw ArgumentError(	1✔
8	'Failed to get value for field `$key`: value was null',	1✔
9	));
10	},
11	additionalData: (dataMap) {	1✔
12	if (!dataMap.containsKey(key)) {	1✔
13	throw ArgumentError(	1✔
14	'Failed to get value for field `$key`: key not found',	1✔
15	);
16	}
17	return dataMap[key]!;	1✔
18	},
19	);
20
21	T when<T>({	1✔
22	required T Function(EIP712Domain domain) eip712Domain,
23	required T Function(Map<String, dynamic> dataMap) additionalData,
24	}) {
25	if (this is Eip712Domain) {	1✔
26	return eip712Domain(value as EIP712Domain);	2✔
27	}
28	if (this is AdditionalData) {	1✔
29	return additionalData(value as Map<String, dynamic>);	2✔
30	}
NEW 31	throw StateError('Unhandled Union case: $this');	×
32	}
33	}

vaariance / eip-712 / 15663061800

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