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(&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 183 (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}195196197198199200impl<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}