evm-coder 0.4.3

EVM call decoding/encoding proc macros
Documentation
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mod test_struct {
	use evm_coder::types::{Bytes, Bytes4, BytesFixed};
	use evm_coder_procedural::AbiCoder;

	#[test]
	fn empty_struct() {
		let t = trybuild::TestCases::new();
		t.compile_fail("tests/build_failed/abi_derive_struct_generation.rs");
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct1SimpleParam {
		_a: u8,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct1DynamicParam {
		_a: String,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct2SimpleParam {
		_a: u8,
		_b: u32,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct2DynamicParam {
		_a: String,
		_b: Bytes,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct2MixedParam {
		_a: u8,
		_b: Bytes,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct1DerivedSimpleParam {
		_a: TypeStruct1SimpleParam,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct2DerivedSimpleParam {
		_a: TypeStruct1SimpleParam,
		_b: TypeStruct2SimpleParam,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct1DerivedDynamicParam {
		_a: TypeStruct1DynamicParam,
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct2DerivedDynamicParam {
		_a: TypeStruct1DynamicParam,
		_b: TypeStruct2DynamicParam,
	}

	/// Some docs
	/// At multi
	/// line
	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct3DerivedMixedParam {
		/// Docs for A
		/// multi
		/// line
		_a: TypeStruct1SimpleParam,
		/// Docs for B
		_b: TypeStruct2DynamicParam,
		/// Docs for C
		_c: TypeStruct2MixedParam,
	}

	#[test]
	fn impl_abi_type_signature() {
		assert_eq!(
			<TypeStruct1SimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"(uint8)"
		);
		assert_eq!(
			<TypeStruct1DynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"(string)"
		);
		assert_eq!(
			<TypeStruct2SimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"(uint8,uint32)"
		);
		assert_eq!(
			<TypeStruct2DynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"(string,bytes)"
		);
		assert_eq!(
			<TypeStruct2MixedParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"(uint8,bytes)"
		);
		assert_eq!(
			<TypeStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"((uint8))"
		);
		assert_eq!(
			<TypeStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"((uint8),(uint8,uint32))"
		);
		assert_eq!(
			<TypeStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"((string))"
		);
		assert_eq!(
			<TypeStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"((string),(string,bytes))"
		);
		assert_eq!(
			<TypeStruct3DerivedMixedParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			"((uint8),(string,bytes),(uint8,bytes))"
		);
	}

	#[test]
	fn impl_abi_type_is_dynamic() {
		assert!(!<TypeStruct1SimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(<TypeStruct1DynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(!<TypeStruct2SimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(<TypeStruct2DynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(<TypeStruct2MixedParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(!<TypeStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(!<TypeStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(<TypeStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(<TypeStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
		assert!(<TypeStruct3DerivedMixedParam as evm_coder::abi::AbiType>::IS_DYNAMIC,);
	}

	#[test]
	fn impl_abi_type_size() {
		assert_eq!(
			<TypeStruct1SimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			1
		);
		assert_eq!(
			<TypeStruct1DynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			1
		);
		assert_eq!(
			<TypeStruct2SimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			2
		);
		assert_eq!(
			<TypeStruct2DynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			2
		);
		assert_eq!(
			<TypeStruct2MixedParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			2
		);
		assert_eq!(
			<TypeStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			1
		);
		assert_eq!(
			<TypeStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			3
		);
		assert_eq!(
			<TypeStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			1
		);
		assert_eq!(
			<TypeStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			2
		);
		assert_eq!(
			<TypeStruct3DerivedMixedParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			3
		);
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct1SimpleParam(u8);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct1DynamicParam(String);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct2SimpleParam(u8, u32);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct2DynamicParam(String, Bytes);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct2MixedParam(u8, Bytes);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct1DerivedSimpleParam(TupleStruct1SimpleParam);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct2DerivedSimpleParam(TupleStruct1SimpleParam, TupleStruct2SimpleParam);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct1DerivedDynamicParam(TupleStruct1DynamicParam);

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct2DerivedDynamicParam(TupleStruct1DynamicParam, TupleStruct2DynamicParam);

	/// Some docs
	/// At multi
	/// line
	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct3DerivedMixedParam(
		/// Docs for A
		/// multi
		/// line
		TupleStruct1SimpleParam,
		TupleStruct2DynamicParam,
		/// Docs for C
		TupleStruct2MixedParam,
	);

	#[test]
	fn impl_abi_type_signature_same_for_structs() {
		assert_eq!(
			<TypeStruct1SimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct1SimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap()
		);
		assert_eq!(
			<TypeStruct1DynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct1DynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap()
		);
		assert_eq!(
			<TypeStruct2SimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct2SimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap()
		);
		assert_eq!(
			<TypeStruct2DynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct2DynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap()
		);
		assert_eq!(
			<TypeStruct2MixedParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct2MixedParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
		);
		assert_eq!(
			<TypeStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
		);
		assert_eq!(
			<TypeStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
		);
		assert_eq!(
			<TypeStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
		);
		assert_eq!(
			<TypeStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
		);
		assert_eq!(
			<TypeStruct3DerivedMixedParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<TupleStruct3DerivedMixedParam as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
		);
	}

	#[test]
	fn impl_abi_type_is_dynamic_same_for_structs() {
		assert_eq!(
			<TypeStruct1SimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct1SimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
		);
		assert_eq!(
			<TypeStruct1DynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct1DynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct2SimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct2SimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct2DynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct2DynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct2MixedParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct2MixedParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
		assert_eq!(
			<TypeStruct3DerivedMixedParam as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<TupleStruct3DerivedMixedParam as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
	}

	#[test]
	fn impl_abi_type_size_same_for_structs() {
		assert_eq!(
			<TypeStruct1SimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct1SimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct1DynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct1DynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct2SimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct2SimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct2DynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct2DynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct2MixedParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct2MixedParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct1DerivedSimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct2DerivedSimpleParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
		assert_eq!(
			<TypeStruct3DerivedMixedParam as evm_coder::abi::AbiType>::HEAD_WORDS,
			<TupleStruct3DerivedMixedParam as evm_coder::abi::AbiType>::HEAD_WORDS
		);
	}

	const FUNCTION_IDENTIFIER: Bytes4 = BytesFixed(u32::to_be_bytes(0xdeadbeef));

	fn test_impl<Tuple, TupleStruct, TypeStruct>(
		tuple_data: Tuple,
		tuple_struct_data: TupleStruct,
		type_struct_data: TypeStruct,
	) where
		TypeStruct: evm_coder::abi::AbiEncode
			+ evm_coder::abi::AbiDecode
			+ std::cmp::PartialEq
			+ std::fmt::Debug,
		TupleStruct: evm_coder::abi::AbiEncode
			+ evm_coder::abi::AbiDecode
			+ std::cmp::PartialEq
			+ std::fmt::Debug,
		Tuple: evm_coder::abi::AbiEncode
			+ evm_coder::abi::AbiDecode
			+ std::cmp::PartialEq
			+ std::fmt::Debug,
	{
		let encoded_type_struct = test_abi_write_impl(&type_struct_data);
		let encoded_tuple_struct = test_abi_write_impl(&tuple_struct_data);
		let encoded_tuple = test_abi_write_impl(&tuple_data);

		similar_asserts::assert_eq!(encoded_tuple, encoded_type_struct);
		similar_asserts::assert_eq!(encoded_tuple, encoded_tuple_struct);

		{
			let (_, restored_struct_data) = <TypeStruct>::abi_decode_call(&encoded_tuple).unwrap();
			assert_eq!(restored_struct_data, type_struct_data);
		}

		{
			let (_, restored_tuple_data) = <Tuple>::abi_decode_call(&encoded_tuple_struct).unwrap();
			assert_eq!(restored_tuple_data, tuple_data);
		}
	}

	fn test_abi_write_impl<A>(data: &A) -> Vec<u8>
	where
		A: evm_coder::abi::AbiEncode
			+ evm_coder::abi::AbiDecode
			+ std::cmp::PartialEq
			+ std::fmt::Debug,
	{
		data.abi_encode_call(FUNCTION_IDENTIFIER)
	}

	#[test]
	fn codec_struct_1_simple() {
		let _a = 0xff;
		test_impl::<(u8,), TupleStruct1SimpleParam, TypeStruct1SimpleParam>(
			(_a,),
			TupleStruct1SimpleParam(_a),
			TypeStruct1SimpleParam { _a },
		);
	}

	#[test]
	fn codec_struct_1_dynamic() {
		let _a: String = "some string".into();
		test_impl::<(String,), TupleStruct1DynamicParam, TypeStruct1DynamicParam>(
			(_a.clone(),),
			TupleStruct1DynamicParam(_a.clone()),
			TypeStruct1DynamicParam { _a },
		);
	}

	#[test]
	fn codec_struct_1_derived_simple() {
		let _a: u8 = 0xff;
		test_impl::<((u8,),), TupleStruct1DerivedSimpleParam, TypeStruct1DerivedSimpleParam>(
			((_a,),),
			TupleStruct1DerivedSimpleParam(TupleStruct1SimpleParam(_a)),
			TypeStruct1DerivedSimpleParam {
				_a: TypeStruct1SimpleParam { _a },
			},
		);
	}

	#[test]
	fn codec_struct_1_derived_dynamic() {
		let _a: String = "some string".into();
		test_impl::<((String,),), TupleStruct1DerivedDynamicParam, TypeStruct1DerivedDynamicParam>(
			((_a.clone(),),),
			TupleStruct1DerivedDynamicParam(TupleStruct1DynamicParam(_a.clone())),
			TypeStruct1DerivedDynamicParam {
				_a: TypeStruct1DynamicParam { _a },
			},
		);
	}

	#[test]
	fn codec_struct_2_simple() {
		let _a = 0xff;
		let _b = 0xbeefbaba;
		test_impl::<(u8, u32), TupleStruct2SimpleParam, TypeStruct2SimpleParam>(
			(_a, _b),
			TupleStruct2SimpleParam(_a, _b),
			TypeStruct2SimpleParam { _a, _b },
		);
	}

	#[test]
	fn codec_struct_2_dynamic() {
		let _a: String = "some string".into();
		let _b: Bytes = Bytes(vec![0x11, 0x22, 0x33]);
		test_impl::<(String, Bytes), TupleStruct2DynamicParam, TypeStruct2DynamicParam>(
			(_a.clone(), _b.clone()),
			TupleStruct2DynamicParam(_a.clone(), _b.clone()),
			TypeStruct2DynamicParam { _a, _b },
		);
	}

	#[test]
	fn codec_struct_2_mixed() {
		let _a: u8 = 0xff;
		let _b: Bytes = Bytes(vec![0x11, 0x22, 0x33]);
		test_impl::<(u8, Bytes), TupleStruct2MixedParam, TypeStruct2MixedParam>(
			(_a, _b.clone()),
			TupleStruct2MixedParam(_a, _b.clone()),
			TypeStruct2MixedParam { _a, _b },
		);
	}

	#[test]
	fn codec_struct_2_derived_simple() {
		let _a = 0xff;
		let _b = 0xbeefbaba;
		test_impl::<
			((u8,), (u8, u32)),
			TupleStruct2DerivedSimpleParam,
			TypeStruct2DerivedSimpleParam,
		>(
			((_a,), (_a, _b)),
			TupleStruct2DerivedSimpleParam(
				TupleStruct1SimpleParam(_a),
				TupleStruct2SimpleParam(_a, _b),
			),
			TypeStruct2DerivedSimpleParam {
				_a: TypeStruct1SimpleParam { _a },
				_b: TypeStruct2SimpleParam { _a, _b },
			},
		);
	}

	#[test]
	fn codec_struct_2_derived_dynamic() {
		let _a = "some string".to_string();
		let _b = Bytes(vec![0x11, 0x22, 0x33]);
		test_impl::<
			((String,), (String, Bytes)),
			TupleStruct2DerivedDynamicParam,
			TypeStruct2DerivedDynamicParam,
		>(
			((_a.clone(),), (_a.clone(), _b.clone())),
			TupleStruct2DerivedDynamicParam(
				TupleStruct1DynamicParam(_a.clone()),
				TupleStruct2DynamicParam(_a.clone(), _b.clone()),
			),
			TypeStruct2DerivedDynamicParam {
				_a: TypeStruct1DynamicParam { _a: _a.clone() },
				_b: TypeStruct2DynamicParam { _a, _b },
			},
		);
	}

	#[test]
	fn codec_struct_3_derived_mixed() {
		let int = 0xff;
		let by = Bytes(vec![0x11, 0x22, 0x33]);
		let string = "some string".to_string();
		test_impl::<
			((u8,), (String, Bytes), (u8, Bytes)),
			TupleStruct3DerivedMixedParam,
			TypeStruct3DerivedMixedParam,
		>(
			((int,), (string.clone(), by.clone()), (int, by.clone())),
			TupleStruct3DerivedMixedParam(
				TupleStruct1SimpleParam(int),
				TupleStruct2DynamicParam(string.clone(), by.clone()),
				TupleStruct2MixedParam(int, by.clone()),
			),
			TypeStruct3DerivedMixedParam {
				_a: TypeStruct1SimpleParam { _a: int },
				_b: TypeStruct2DynamicParam {
					_a: string,
					_b: by.clone(),
				},
				_c: TypeStruct2MixedParam { _a: int, _b: by },
			},
		);
	}

	#[derive(AbiCoder, PartialEq, Debug)]
	struct TypeStruct2SimpleStruct1Simple {
		_a: TypeStruct2SimpleParam,
		_b: TypeStruct2SimpleParam,
		_c: u8,
	}
	#[derive(AbiCoder, PartialEq, Debug)]
	struct TupleStruct2SimpleStruct1Simple(TupleStruct2SimpleParam, TupleStruct2SimpleParam, u8);

	#[test]
	fn codec_struct_2_struct_simple_1_simple() {
		let _a = 0xff;
		let _b = 0xbeefbaba;
		test_impl::<
			((u8, u32), (u8, u32), u8),
			TupleStruct2SimpleStruct1Simple,
			TypeStruct2SimpleStruct1Simple,
		>(
			((_a, _b), (_a, _b), _a),
			TupleStruct2SimpleStruct1Simple(
				TupleStruct2SimpleParam(_a, _b),
				TupleStruct2SimpleParam(_a, _b),
				_a,
			),
			TypeStruct2SimpleStruct1Simple {
				_a: TypeStruct2SimpleParam { _a, _b },
				_b: TypeStruct2SimpleParam { _a, _b },
				_c: _a,
			},
		);
	}
}

mod test_enum {
	use evm_coder::{
		types::{Bytes4, BytesFixed},
		AbiCoder, AbiDecode, AbiEncode,
	};

	/// Some docs
	/// At multi
	/// line
	#[derive(AbiCoder, Debug, PartialEq, Default, Clone, Copy)]
	#[repr(u8)]
	enum Color {
		/// Docs for Red
		/// multi
		/// line
		Red,
		Green,
		/// Docs for Blue
		#[default]
		Blue,
	}

	#[test]
	fn empty() {}

	#[test]
	fn bad_enums() {
		let t = trybuild::TestCases::new();
		t.compile_fail("tests/build_failed/abi_derive_enum_generation.rs");
	}

	#[test]
	fn impl_abi_type_signature_same_for_structs() {
		assert_eq!(
			<Color as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<u8 as evm_coder::abi::AbiType>::SIGNATURE.as_str().unwrap()
		);
	}

	#[test]
	fn impl_abi_type_is_dynamic_same_for_structs() {
		assert_eq!(
			<Color as evm_coder::abi::AbiType>::IS_DYNAMIC,
			<u8 as evm_coder::abi::AbiType>::IS_DYNAMIC
		);
	}

	#[test]
	fn impl_abi_type_size_same_for_structs() {
		assert_eq!(
			<Color as evm_coder::abi::AbiType>::HEAD_WORDS,
			<u8 as evm_coder::abi::AbiType>::HEAD_WORDS
		);
	}

	#[test]
	fn test_coder() {
		const FUNCTION_IDENTIFIER: Bytes4 = BytesFixed(u32::to_be_bytes(0xdeadbeef));

		let encoded_enum = { Color::Green.abi_encode_call(FUNCTION_IDENTIFIER) };

		let encoded_u8 = { (Color::Green as u8).abi_encode_call(FUNCTION_IDENTIFIER) };

		similar_asserts::assert_eq!(encoded_enum, encoded_u8);

		{
			let (_, restored_enum_data) = Color::abi_decode_call(&encoded_enum).unwrap();
			assert_eq!(restored_enum_data, Color::Green);
		}
	}
}

#[cfg(feature = "bondrewd")]
mod test_flags {
	use bondrewd::Bitfields;
	use evm_coder::AbiCoderFlags;

	/// Some docs
	/// At multi
	/// line
	#[derive(AbiCoderFlags, Bitfields, Debug, PartialEq, Default, Clone, Copy)]
	#[bondrewd(enforce_bytes = 1)]
	struct Color {
		/// Docs for Red
		/// multi
		/// line

		#[bondrewd(reserve, bits = "0..1")]
		red: bool,
		#[bondrewd(bits = "1..2")]
		green: bool,
		/// Docs for Blue
		#[bondrewd(bits = "2..8")]
		blue: u8,
	}

	#[test]
	fn empty() {}

	#[test]
	fn bad_flags() {
		let t = trybuild::TestCases::new();
		t.compile_fail("tests/build_failed/abi_derive_flags_generation.rs");
	}

	#[test]
	fn impl_abi_type_signature_same_for_structs() {
		assert_eq!(
			<Color as evm_coder::abi::AbiType>::SIGNATURE
				.as_str()
				.unwrap(),
			<u8 as evm_coder::abi::AbiType>::SIGNATURE.as_str().unwrap()
		);
	}

	#[test]
	fn impl_abi_type_is_dynamic_same_for_structs() {
		assert_eq!(
			<Color as evm_coder::abi::AbiType>::is_dynamic(),
			<u8 as evm_coder::abi::AbiType>::is_dynamic()
		);
	}

	#[test]
	fn impl_abi_type_size_same_for_structs() {
		assert_eq!(
			<Color as evm_coder::abi::AbiType>::size(),
			<u8 as evm_coder::abi::AbiType>::size()
		);
	}

	#[test]
	fn test_coder_one_byte() {
		const FUNCTION_IDENTIFIER: u32 = 0xdeadbeef;

		let color = Color {
			red: false,
			green: true,
			blue: 0,
		};

		let encoded_flags = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<Color as evm_coder::abi::AbiWrite>::abi_write(&color, &mut writer);
			writer.finish()
		};

		let encoded_u32 = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);

			let color_int = u8::from_le_bytes(color.into_bytes());

			<u8 as evm_coder::abi::AbiWrite>::abi_write(&color_int, &mut writer);
			writer.finish()
		};

		similar_asserts::assert_eq!(encoded_flags, encoded_u32);

		{
			let (_, mut decoder) = evm_coder::abi::AbiReader::new_call(&encoded_flags).unwrap();
			let restored_flags_data =
				<Color as evm_coder::abi::AbiRead>::abi_read(&mut decoder).unwrap();
			assert_eq!(restored_flags_data, color);
		}
	}

	#[derive(AbiCoderFlags, Bitfields, Debug, PartialEq, Default, Clone, Copy)]
	#[bondrewd(enforce_bytes = 2)]
	struct MultipleBytes {
		#[bondrewd(bits = "0..1")]
		a: bool,
		#[bondrewd(bits = "1..2")]
		b: bool,
		#[bondrewd(bits = "2..8")]
		c: u8,
		#[bondrewd(bits = "8..14")]
		d: u8,
		#[bondrewd(bits = "14..15")]
		e: bool,
		#[bondrewd(bits = "15..16")]
		f: bool,
	}

	#[test]
	fn test_coder_two_bytes() {
		const FUNCTION_IDENTIFIER: u32 = 0xdeadbeef;

		let data = MultipleBytes {
			a: true,
			b: false,
			c: 0,
			d: 0,
			e: false,
			f: true,
		};

		let encoded_flags = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<MultipleBytes as evm_coder::abi::AbiWrite>::abi_write(&data, &mut writer);
			writer.finish()
		};

		let encoded_u32 = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			let bytes = data.into_bytes();
			let data_int = u32::from_be_bytes([bytes[0], bytes[1], 0, 0]);

			<u32 as evm_coder::abi::AbiWrite>::abi_write(&data_int, &mut writer);
			writer.finish()
		};

		similar_asserts::assert_eq!(encoded_flags, encoded_u32);

		{
			let (_, mut decoder) = evm_coder::abi::AbiReader::new_call(&encoded_flags).unwrap();
			let restored_flags_data =
				<MultipleBytes as evm_coder::abi::AbiRead>::abi_read(&mut decoder).unwrap();
			assert_eq!(restored_flags_data, data);
		}
	}

	/// Cross account struct
	#[derive(AbiCoderFlags, Bitfields, Clone, Copy, PartialEq, Eq, Debug, Default)]
	#[bondrewd(enforce_bytes = 1)]
	pub struct Flags {
		#[bondrewd(bits = "0..1")]
		pub a: bool,
		#[bondrewd(bits = "1..2")]
		pub b: bool,
		#[bondrewd(bits = "2..7")]
		pub c: u8,
		#[bondrewd(bits = "7..8")]
		pub d: bool,
	}

	#[test]
	fn test_creation_from_flags() {
		const FUNCTION_IDENTIFIER: u32 = 0xdeadbeef;

		let data = Flags {
			a: true,
			b: true,
			c: 3,
			d: false,
		};

		let data_int = (1u8 << 7) + (1u8 << 6) + (3u8 << 1);

		let encoded_flags = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<Flags as evm_coder::abi::AbiWrite>::abi_write(&data, &mut writer);
			writer.finish()
		};

		let encoded_u8 = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<u8 as evm_coder::abi::AbiWrite>::abi_write(&data_int, &mut writer);
			writer.finish()
		};

		similar_asserts::assert_eq!(encoded_flags, encoded_u8);

		{
			let (_, mut decoder) = evm_coder::abi::AbiReader::new_call(&encoded_u8).unwrap();
			let restored_flags_data =
				<Flags as evm_coder::abi::AbiRead>::abi_read(&mut decoder).unwrap();
			assert_eq!(restored_flags_data, data);
		}
	}

	/// Cross account struct
	#[derive(AbiCoderFlags, Bitfields, Clone, Copy, PartialEq, Eq, Debug, Default)]
	#[bondrewd(enforce_bytes = 1)]
	pub struct FlagsLE {
		#[bondrewd(bits = "0..1")]
		pub a: bool,
		#[bondrewd(bits = "1..2")]
		pub b: bool,
		#[bondrewd(bits = "2..7", endianness = "le")]
		pub c: u8,
		#[bondrewd(bits = "7..8")]
		pub d: bool,
	}

	#[test]
	fn test_creation_from_flags_with_le_field() {
		const FUNCTION_IDENTIFIER: u32 = 0xdeadbeef;

		let data = FlagsLE {
			a: true,
			b: true,
			c: 5,
			d: false,
		};

		let data_int = (1u8 << 7) + (1u8 << 6) + (5u8 << 1);

		let encoded_flags = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<FlagsLE as evm_coder::abi::AbiWrite>::abi_write(&data, &mut writer);
			writer.finish()
		};

		let encoded_u8 = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<u8 as evm_coder::abi::AbiWrite>::abi_write(&data_int, &mut writer);
			writer.finish()
		};

		similar_asserts::assert_eq!(encoded_flags, encoded_u8);

		{
			let (_, mut decoder) = evm_coder::abi::AbiReader::new_call(&encoded_u8).unwrap();
			let restored_flags_data =
				<FlagsLE as evm_coder::abi::AbiRead>::abi_read(&mut decoder).unwrap();
			assert_eq!(restored_flags_data, data);
		}
	}

	/// Cross account struct
	#[derive(AbiCoderFlags, Bitfields, Clone, Copy, PartialEq, Eq, Debug, Default)]
	#[bondrewd(enforce_bytes = 1)]
	pub struct FlagsBE {
		#[bondrewd(bits = "0..1")]
		pub a: bool,
		#[bondrewd(bits = "1..2")]
		pub b: bool,
		#[bondrewd(bits = "2..7", endianness = "be")]
		pub c: u8,
		#[bondrewd(bits = "7..8")]
		pub d: bool,
	}

	#[test]
	fn test_creation_from_flags_with_be_field() {
		const FUNCTION_IDENTIFIER: u32 = 0xdeadbeef;

		let data = FlagsBE {
			a: true,
			b: true,
			c: 5,
			d: false,
		};

		let data_int = (1u8 << 7) + (1u8 << 6) + (5u8 << 1);

		let encoded_flags = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<FlagsBE as evm_coder::abi::AbiWrite>::abi_write(&data, &mut writer);
			writer.finish()
		};

		let encoded_u8 = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<u8 as evm_coder::abi::AbiWrite>::abi_write(&data_int, &mut writer);
			writer.finish()
		};

		similar_asserts::assert_eq!(encoded_flags, encoded_u8);

		{
			let (_, mut decoder) = evm_coder::abi::AbiReader::new_call(&encoded_u8).unwrap();
			let restored_flags_data =
				<FlagsBE as evm_coder::abi::AbiRead>::abi_read(&mut decoder).unwrap();
			assert_eq!(restored_flags_data, data);
		}
	}

	#[derive(AbiCoderFlags, Bitfields, Clone, Copy, PartialEq, Eq, Debug, Default)]
	#[bondrewd()]
	struct Data2Bytes {
		#[bondrewd(bits = "0..1", endianness = "be")]
		a: bool,
		#[bondrewd(bits = "1..7", endianness = "be")]
		b: u8,
		#[bondrewd(bits = "7..23", endianness = "be")]
		c: u16,
	}

	#[test]
	fn test_creation_from_flags_with_bytes() {
		const FUNCTION_IDENTIFIER: u32 = 0xdeadbeef;

		let data = Data2Bytes {
			a: true,
			b: 9,
			c: 1023,
		};

		let data_int = ((1u32 << 23) + (9u32 << 17) + (1023u32 << 1)) << 8;

		let encoded_flags = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<Data2Bytes as evm_coder::abi::AbiWrite>::abi_write(&data, &mut writer);
			writer.finish()
		};

		let encoded_u32 = {
			let mut writer = evm_coder::abi::AbiWriter::new_call(FUNCTION_IDENTIFIER);
			<u32 as evm_coder::abi::AbiWrite>::abi_write(&data_int, &mut writer);
			writer.finish()
		};

		similar_asserts::assert_eq!(encoded_flags, encoded_u32);

		{
			let (_, mut decoder) = evm_coder::abi::AbiReader::new_call(&encoded_u32).unwrap();
			let restored_flags_data =
				<Data2Bytes as evm_coder::abi::AbiRead>::abi_read(&mut decoder).unwrap();
			assert_eq!(restored_flags_data, data);
		}
	}
}