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Improve error message regarding failure to extract metadata from WASM runtime (#1961)

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* Improve error message re failure to extract metadata from runtime

* Improve error on legacy metadata loading too

* allow missing host funcs, too
This commit is contained in:
James Wilson
2025-03-13 09:40:50 +00:00
committed by GitHub
parent af59a9960b
commit da3ea0b528
1 changed files with 10 additions and 8 deletions
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macro/src/wasm_loader.rs
+10 -8
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@@ -113,12 +113,14 @@ impl Executor {
.uncached_call( .uncached_call(
self.runtime_blob.clone(), self.runtime_blob.clone(),
&mut self.externalities, &mut self.externalities,
false, true,
"Metadata_metadata", "Metadata_metadata",
&[], &[],
) )
.map_err(|_| { .map_err(|e| {
CodegenError::Wasm("method \"Metadata_metadata\" doesnt exist".to_owned()) CodegenError::Wasm(format!(
"Failed to call \"Metadata_metadata\" on WASM runtime. Cause: {e}"
))
})?; })?;
let encoded_metadata = let encoded_metadata =
<Vec<u8>>::decode(&mut &encoded_metadata[..]).map_err(CodegenError::Decode)?; <Vec<u8>>::decode(&mut &encoded_metadata[..]).map_err(CodegenError::Decode)?;
@@ -131,14 +133,14 @@ impl Executor {
.uncached_call( .uncached_call(
self.runtime_blob.clone(), self.runtime_blob.clone(),
&mut self.externalities, &mut self.externalities,
false, true,
"Metadata_metadata_at_version", "Metadata_metadata_at_version",
&version.encode(), &version.encode(),
) )
.map_err(|_| { .map_err(|e| {
CodegenError::Wasm( CodegenError::Wasm(format!(
"method \"Metadata_metadata_at_version\" doesnt exist".to_owned(), "Failed to call \"Metadata_metadata_at_version\" on WASM runtime. Cause: {e}"
) ))
})?; })?;
let Some(encoded_metadata) = let Some(encoded_metadata) =
<Option<Vec<u8>>>::decode(&mut &encoded_metadata[..]).map_err(CodegenError::Decode)? <Option<Vec<u8>>>::decode(&mut &encoded_metadata[..]).map_err(CodegenError::Decode)?