pezkuwichain/pezkuwi-subxt
1
0
Fork 0
mirror of https://github.com/pezkuwichain/pezkuwi-subxt.git synced 2026-05-30 23:21:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve MultiLocation conversion functions in xcm-procedural (#3690)

Browse Source 
* Use fully-qualified paths to reference core traits in proc macro

* Ensure a canonicalized v0 MultiLocation first before attempting to convert to v1

* Fix failing test
This commit is contained in:
Keith Yeung
2021-08-23 03:37:15 -07:00
committed by GitHub
parent a707f2367c
commit 81692bd176
4 changed files with 10 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/xcm/procedural/src/v0/multilocation.rs
+1 -1
View File
@@ -96,7 +96,7 @@ fn generate_conversion_from_v1() -> TokenStream {
.collect::<TokenStream>();
quote! {
impl TryFrom<crate::v1::MultiLocation> for MultiLocation {
impl core::convert::TryFrom<crate::v1::MultiLocation> for MultiLocation {
type Error = ();
fn try_from(v1: crate::v1::MultiLocation) -> core::result::Result<Self, ()> {
let mut res = MultiLocation::Null;
polkadot/xcm/procedural/src/v1/multilocation.rs
+6 -4
View File
@@ -172,7 +172,7 @@ fn generate_conversion_from_v0() -> TokenStream {
if #( #parent_idents.is_parent() )&&* =>
Ok(MultiLocation {
parents: #parent_count,
interior: #junction_variant( #( #junction_idents.try_into()? ),* ),
interior: #junction_variant( #( core::convert::TryInto::try_into(#junction_idents)? ),* ),
}),
}
})
@@ -184,16 +184,18 @@ fn generate_conversion_from_v0() -> TokenStream {
Ok(MultiLocation::ancestor(#num_ancestors)),
#intermediate_match_arms
crate::v0::MultiLocation::#variant( #(#idents),* ) =>
Ok( #variant( #( #idents.try_into()? ),* ).into() ),
Ok( #variant( #( core::convert::TryInto::try_into(#idents)? ),* ).into() ),
}
})
.collect::<TokenStream>();
quote! {
impl TryFrom<crate::v0::MultiLocation> for MultiLocation {
impl core::convert::TryFrom<crate::v0::MultiLocation> for MultiLocation {
type Error = ();
fn try_from(v0: crate::v0::MultiLocation) -> core::result::Result<Self, ()> {
fn try_from(mut v0: crate::v0::MultiLocation) -> core::result::Result<Self, ()> {
use Junctions::*;
v0.canonicalize();
match v0 {
crate::v0::MultiLocation::Null => Ok(Here.into()),
#match_variants