git.delta.rocks / unique-network / refs/commits / 5b66126a12ff

1use crate::{2	custom_signature::SignatureUnit,3	execution::{Result, ResultWithPostInfo, WithPostDispatchInfo},4	make_signature, sealed,5	types::*,6};7use super::{traits::*, ABI_ALIGNMENT, AbiReader, AbiWriter};8use primitive_types::{U256, H160};910#[cfg(not(feature = "std"))]11use alloc::vec::Vec;1213macro_rules! impl_abi_type {14	($ty:ty, $name:ident, $dynamic:literal) => {15		impl sealed::CanBePlacedInVec for $ty {}1617		impl AbiType for $ty {18			const SIGNATURE: SignatureUnit = make_signature!(new fixed(stringify!($name)));1920			fn is_dynamic() -> bool {21				$dynamic22			}2324			fn size() -> usize {25				ABI_ALIGNMENT26			}27		}28	};29}3031macro_rules! impl_abi_readable {32	($ty:ty, $method:ident) => {33		impl AbiRead for $ty {34			fn abi_read(reader: &mut AbiReader) -> Result<$ty> {35				reader.$method()36			}37		}38	};39}4041macro_rules! impl_abi_writeable {42	($ty:ty, $method:ident) => {43		impl AbiWrite for $ty {44			fn abi_write(&self, writer: &mut AbiWriter) {45				writer.$method(&self)46			}47		}48	};49}5051macro_rules! impl_abi {52	($ty:ty, $method:ident, $dynamic:literal) => {53		impl_abi_type!($ty, $method, $dynamic);54		impl_abi_readable!($ty, $method);55		impl_abi_writeable!($ty, $method);56	};57}5859impl_abi!(bool, bool, false);60impl_abi!(u8, uint8, false);61impl_abi!(u32, uint32, false);62impl_abi!(u64, uint64, false);63impl_abi!(u128, uint128, false);64impl_abi!(U256, uint256, false);65impl_abi!(H160, address, false);66impl_abi!(string, string, true);6768impl_abi_writeable!(&str, string);6970impl_abi_type!(bytes, bytes, true);7172impl AbiRead for bytes {73	fn abi_read(reader: &mut AbiReader) -> Result<bytes> {74		Ok(bytes(reader.bytes()?))75	}76}7778impl AbiWrite for bytes {79	fn abi_write(&self, writer: &mut AbiWriter) {80		writer.bytes(self.0.as_slice())81	}82}8384impl_abi_type!(bytes4, bytes4, false);85impl AbiRead for bytes4 {86	fn abi_read(reader: &mut AbiReader) -> Result<bytes4> {87		reader.bytes4()88	}89}9091impl<T: AbiWrite> AbiWrite for &T {92	fn abi_write(&self, writer: &mut AbiWriter) {93		T::abi_write(self, writer);94	}95}9697impl<T: AbiType> AbiType for &T {98	const SIGNATURE: SignatureUnit = T::SIGNATURE;99100	fn is_dynamic() -> bool {101		T::is_dynamic()102	}103104	fn size() -> usize {105		T::size()106	}107}108109impl<T: AbiType + AbiRead + sealed::CanBePlacedInVec> AbiRead for Vec<T> {110	fn abi_read(reader: &mut AbiReader) -> Result<Vec<T>> {111		let mut sub = reader.subresult(None)?;112		let size = sub.uint32()? as usize;113		sub.subresult_offset = sub.offset;114		let is_dynamic = <T as AbiType>::is_dynamic();115		let mut out = Vec::with_capacity(size);116		for _ in 0..size {117			out.push(<T as AbiRead>::abi_read(&mut sub)?);118			if !is_dynamic {119				sub.bytes_read(<T as AbiType>::size());120			};121		}122		Ok(out)123	}124}125126impl<T: AbiType> AbiType for Vec<T> {127	const SIGNATURE: SignatureUnit = make_signature!(new nameof(T::SIGNATURE) fixed("[]"));128129	fn is_dynamic() -> bool {130		true131	}132133	fn size() -> usize {134		ABI_ALIGNMENT135	}136}137138impl sealed::CanBePlacedInVec for Property {}139140impl AbiType for Property {141	const SIGNATURE: SignatureUnit = make_signature!(new fixed("(string,bytes)"));142143	fn is_dynamic() -> bool {144		string::is_dynamic() || bytes::is_dynamic()145	}146147	fn size() -> usize {148		<string as AbiType>::size() + <bytes as AbiType>::size()149	}150}151152impl AbiRead for Property {153	fn abi_read(reader: &mut AbiReader) -> Result<Property> {154		let size = if !Property::is_dynamic() {155			Some(<Property as AbiType>::size())156		} else {157			None158		};159		let mut subresult = reader.subresult(size)?;160		let key = <string>::abi_read(&mut subresult)?;161		let value = <bytes>::abi_read(&mut subresult)?;162163		Ok(Property { key, value })164	}165}166167impl AbiWrite for Property {168	fn abi_write<'a>(&'a self, writer: &mut AbiWriter) {169		(&self.key, &self.value).abi_write(writer);170	}171}172173impl<T: AbiWrite + AbiType> AbiWrite for Vec<T> {174	fn abi_write(&self, writer: &mut AbiWriter) {175		let is_dynamic = T::is_dynamic();176		let mut sub = if is_dynamic {177			AbiWriter::new_dynamic(is_dynamic)178		} else {179			AbiWriter::new()180		};181182		// Write items count183		(self.len() as u32).abi_write(&mut sub);184185		for item in self {186			item.abi_write(&mut sub);187		}188		writer.write_subresult(sub);189	}190}191192impl AbiWrite for () {193	fn abi_write(&self, _writer: &mut AbiWriter) {}194}195196/// This particular AbiWrite implementation should be split to another trait,197/// which only implements `to_result`, but due to lack of specialization feature198/// in stable Rust, we can't have blanket impl of this trait `for T where T: AbiWrite`,199/// so here we abusing default trait methods for it200impl<T: AbiWrite> AbiWrite for ResultWithPostInfo<T> {201	fn abi_write(&self, _writer: &mut AbiWriter) {202		debug_assert!(false, "shouldn't be called, see comment")203	}204	fn to_result(&self) -> ResultWithPostInfo<AbiWriter> {205		match self {206			Ok(v) => Ok(WithPostDispatchInfo {207				post_info: v.post_info.clone(),208				data: {209					let mut out = AbiWriter::new();210					v.data.abi_write(&mut out);211					out212				},213			}),214			Err(e) => Err(e.clone()),215		}216	}217}218219macro_rules! impl_tuples {220	($($ident:ident)+) => {221		impl<$($ident: AbiType,)+> AbiType for ($($ident,)+)222		where223        $(224            $ident: AbiType,225        )+226		{227            const SIGNATURE: SignatureUnit = make_signature!(228                new fixed("(")229                $(nameof(<$ident>::SIGNATURE) fixed(","))+230                shift_left(1)231                fixed(")")232            );233234			fn is_dynamic() -> bool {235				false236				$(237					|| <$ident>::is_dynamic()238				)*239			}240241			fn size() -> usize {242				0 $(+ <$ident>::size())+243			}244		}245246		impl<$($ident),+> sealed::CanBePlacedInVec for ($($ident,)+) {}247248		impl<$($ident),+> AbiRead for ($($ident,)+)249		where250			Self: AbiType,251			$($ident: AbiRead + AbiType,)+252		{253			fn abi_read(reader: &mut AbiReader) -> Result<($($ident,)+)> {254				let is_dynamic = <Self>::is_dynamic();255				let size = if !is_dynamic { Some(<Self>::size()) } else { None };256				let mut subresult = reader.subresult(size)?;257				Ok((258					$({259						let value = <$ident>::abi_read(&mut subresult)?;260						if !is_dynamic {subresult.bytes_read(<$ident as AbiType>::size())};261						value262					},)+263				))264			}265		}266267		#[allow(non_snake_case)]268		impl<$($ident),+> AbiWrite for ($($ident,)+)269		where270			$($ident: AbiWrite + AbiType,)+271		{272			fn abi_write(&self, writer: &mut AbiWriter) {273				let ($($ident,)+) = self;274				if <Self as AbiType>::is_dynamic() {275					let mut sub = AbiWriter::new();276					$($ident.abi_write(&mut sub);)+277					writer.write_subresult(sub);278				} else {279					$($ident.abi_write(writer);)+280				}281			}282		}283	};284}285286impl_tuples! {A}287impl_tuples! {A B}288impl_tuples! {A B C}289impl_tuples! {A B C D}290impl_tuples! {A B C D E}291impl_tuples! {A B C D E F}292impl_tuples! {A B C D E F G}293impl_tuples! {A B C D E F G H}294impl_tuples! {A B C D E F G H I}295impl_tuples! {A B C D E F G H I J}