git.delta.rocks / unique-network / refs/commits / 068fc8208402

1use crate::{2	execution::{Result, ResultWithPostInfo, WithPostDispatchInfo},3	types::*,4	make_signature,5	custom_signature::SignatureUnit,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_readable {14	($ty:ty, $method:ident, $dynamic:literal) => {15		impl sealed::CanBePlacedInVec for $ty {}1617		impl AbiType for $ty {18			const SIGNATURE: SignatureUnit = make_signature!(new fixed(stringify!($ty)));1920			fn is_dynamic() -> bool {21				$dynamic22			}2324			fn size() -> usize {25				ABI_ALIGNMENT26			}27		}2829		impl AbiRead for $ty {30			fn abi_read(reader: &mut AbiReader) -> Result<$ty> {31				reader.$method()32			}33		}34	};35}3637impl_abi_readable!(uint32, uint32, false);38impl_abi_readable!(uint64, uint64, false);39impl_abi_readable!(uint128, uint128, false);40impl_abi_readable!(uint256, uint256, false);41impl_abi_readable!(bytes4, bytes4, false);42impl_abi_readable!(address, address, false);43impl_abi_readable!(string, string, true);4445impl sealed::CanBePlacedInVec for bool {}4647impl AbiType for bool {48	const SIGNATURE: SignatureUnit = make_signature!(new fixed("bool"));4950	fn is_dynamic() -> bool {51		false52	}53	fn size() -> usize {54		ABI_ALIGNMENT55	}56}57impl AbiRead for bool {58	fn abi_read(reader: &mut AbiReader) -> Result<bool> {59		reader.bool()60	}61}6263impl AbiType for uint8 {64	const SIGNATURE: SignatureUnit = make_signature!(new fixed("uint8"));6566	fn is_dynamic() -> bool {67		false68	}69	fn size() -> usize {70		ABI_ALIGNMENT71	}72}73impl AbiRead for uint8 {74	fn abi_read(reader: &mut AbiReader) -> Result<uint8> {75		reader.uint8()76	}77}7879impl AbiType for bytes {80	const SIGNATURE: SignatureUnit = make_signature!(new fixed("bytes"));8182	fn is_dynamic() -> bool {83		true84	}85	fn size() -> usize {86		ABI_ALIGNMENT87	}88}89impl AbiRead for bytes {90	fn abi_read(reader: &mut AbiReader) -> Result<bytes> {91		Ok(bytes(reader.bytes()?))92	}93}9495impl<R: AbiType + AbiRead + sealed::CanBePlacedInVec> AbiRead for Vec<R> {96	fn abi_read(reader: &mut AbiReader) -> Result<Vec<R>> {97		let mut sub = reader.subresult(None)?;98		let size = sub.uint32()? as usize;99		sub.subresult_offset = sub.offset;100		let mut out = Vec::with_capacity(size);101		for _ in 0..size {102			out.push(<R>::abi_read(&mut sub)?);103			if !<R>::is_dynamic() {104				sub.subresult_offset += <R>::size()105			};106		}107		Ok(out)108	}109}110111impl<R: AbiType> AbiType for Vec<R> {112	const SIGNATURE: SignatureUnit = make_signature!(new nameof(R::SIGNATURE) fixed("[]"));113114	fn is_dynamic() -> bool {115		true116	}117118	fn size() -> usize {119		ABI_ALIGNMENT120	}121}122123impl sealed::CanBePlacedInVec for Property {}124125impl AbiType for Property {126	const SIGNATURE: SignatureUnit = make_signature!(new fixed("(string,bytes)"));127128	fn is_dynamic() -> bool {129		string::is_dynamic() || bytes::is_dynamic()130	}131132	fn size() -> usize {133		<string as AbiType>::size() + <bytes as AbiType>::size()134	}135}136137impl AbiRead for Property {138	fn abi_read(reader: &mut AbiReader) -> Result<Property> {139		let size = if !Property::is_dynamic() {140			Some(<Property as AbiType>::size())141		} else {142			None143		};144		let mut subresult = reader.subresult(size)?;145		let key = <string>::abi_read(&mut subresult)?;146		let value = <bytes>::abi_read(&mut subresult)?;147148		Ok(Property { key, value })149	}150}151152impl AbiWrite for Property {153	fn abi_write(&self, writer: &mut AbiWriter) {154		(&self.key, &self.value).abi_write(writer);155	}156}157158macro_rules! impl_abi_writeable {159	($ty:ty, $method:ident) => {160		impl AbiWrite for $ty {161			fn abi_write(&self, writer: &mut AbiWriter) {162				writer.$method(&self)163			}164		}165	};166}167168impl_abi_writeable!(u8, uint8);169impl_abi_writeable!(u32, uint32);170impl_abi_writeable!(u128, uint128);171impl_abi_writeable!(U256, uint256);172impl_abi_writeable!(H160, address);173impl_abi_writeable!(bool, bool);174impl_abi_writeable!(&str, string);175176impl AbiWrite for string {177	fn abi_write(&self, writer: &mut AbiWriter) {178		writer.string(self)179	}180}181182impl AbiWrite for bytes {183	fn abi_write(&self, writer: &mut AbiWriter) {184		writer.bytes(self.0.as_slice())185	}186}187188impl<T: AbiWrite + AbiType> AbiWrite for Vec<T> {189	fn abi_write(&self, writer: &mut AbiWriter) {190		let is_dynamic = T::is_dynamic();191		let mut sub = if is_dynamic {192			AbiWriter::new_dynamic(is_dynamic)193		} else {194			AbiWriter::new()195		};196197		// Write items count198		(self.len() as u32).abi_write(&mut sub);199200		for item in self {201			item.abi_write(&mut sub);202		}203		writer.write_subresult(sub);204	}205}206207impl AbiWrite for () {208	fn abi_write(&self, _writer: &mut AbiWriter) {}209}210211/// This particular AbiWrite implementation should be split to another trait,212/// which only implements `to_result`, but due to lack of specialization feature213/// in stable Rust, we can't have blanket impl of this trait `for T where T: AbiWrite`,214/// so here we abusing default trait methods for it215impl<T: AbiWrite> AbiWrite for ResultWithPostInfo<T> {216	fn abi_write(&self, _writer: &mut AbiWriter) {217		debug_assert!(false, "shouldn't be called, see comment")218	}219	fn to_result(&self) -> ResultWithPostInfo<AbiWriter> {220		match self {221			Ok(v) => Ok(WithPostDispatchInfo {222				post_info: v.post_info.clone(),223				data: {224					let mut out = AbiWriter::new();225					v.data.abi_write(&mut out);226					out227				},228			}),229			Err(e) => Err(e.clone()),230		}231	}232}233234macro_rules! impl_tuples {235	($($ident:ident)+) => {236		impl<$($ident: AbiType,)+> AbiType for ($($ident,)+)237		where238        $(239            $ident: AbiType,240        )+241		{242            const SIGNATURE: SignatureUnit = make_signature!(243                new fixed("(")244                $(nameof(<$ident>::SIGNATURE) fixed(","))+245                shift_left(1)246                fixed(")")247            );248249			fn is_dynamic() -> bool {250				false251				$(252					|| <$ident>::is_dynamic()253				)*254			}255256			fn size() -> usize {257				0 $(+ <$ident>::size())+258			}259		}260261		impl<$($ident),+> sealed::CanBePlacedInVec for ($($ident,)+) {}262263		impl<$($ident),+> AbiRead for ($($ident,)+)264		where265			Self: AbiType,266			$($ident: AbiRead + AbiType,)+267		{268			fn abi_read(reader: &mut AbiReader) -> Result<($($ident,)+)> {269				let is_dynamic = <Self>::is_dynamic();270				let size = if !is_dynamic { Some(<Self>::size()) } else { None };271				let mut subresult = reader.subresult(size)?;272				Ok((273					$({274						let value = <$ident>::abi_read(&mut subresult)?;275						if !is_dynamic {subresult.seek(<$ident as AbiType>::size())};276						value277					},)+278				))279			}280		}281282		#[allow(non_snake_case)]283		impl<$($ident),+> AbiWrite for ($($ident,)+)284		where285			$($ident: AbiWrite + AbiType,)+286		{287			fn abi_write(&self, writer: &mut AbiWriter) {288				let ($($ident,)+) = self;289				if <Self as AbiType>::is_dynamic() {290					let mut sub = AbiWriter::new();291					$($ident.abi_write(&mut sub);)+292					writer.write_subresult(sub);293				} else {294					$($ident.abi_write(writer);)+295				}296			}297		}298	};299}300301impl_tuples! {A}302impl_tuples! {A B}303impl_tuples! {A B C}304impl_tuples! {A B C D}305impl_tuples! {A B C D E}306impl_tuples! {A B C D E F}307impl_tuples! {A B C D E F G}308impl_tuples! {A B C D E F G H}309impl_tuples! {A B C D E F G H I}310impl_tuples! {A B C D E F G H I J}