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[WIP][Prover] remove reference for parameters and return value for spec functions #15190

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[WIP][Prover] remove reference for parameters and return value for spec functions #15190

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95781cf
remove ref for spec fun
rahxephon89 Nov 5, 2024
beebbbb
add test
rahxephon89 Nov 5, 2024
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5 changes: 5 additions & 0 deletions third_party/move/move-model/src/builder/module_builder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -767,6 +767,11 @@ impl<'env, 'translator> ModuleBuilder<'env, 'translator> {
) {
let name = self.symbol_pool().make(&name.0.value);
let (type_params, params, result_type) = self.decl_ana_signature(signature, false);
let params = params
.into_iter()
.map(|Parameter(sym, ty, loc)| Parameter(sym, ty.skip_reference().clone(), loc))
.collect_vec();
let result_type = result_type.skip_reference().clone();

// Add the function to the symbol table.
let fun_id = SpecFunId::new(self.spec_funs.len());
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26 changes: 26 additions & 0 deletions third_party/move/move-prover/tests/sources/functional/bug_10784.move
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@@ -0,0 +1,26 @@
module 0x42::m {

struct RistrettoPoint has drop {
handle: u64
}

struct CompressedRistretto has copy, store, drop {
data: vector<u8>
}

native fun point_compress_internal(point: &RistrettoPoint): vector<u8>;

spec fun spec_point_compress_internal(point: &RistrettoPoint): vector<u8>;

spec point_compress_internal(point: &RistrettoPoint): vector<u8> {
pragma opaque;
ensures result == spec_point_compress_internal(point);
}

public fun point_compress(point: &RistrettoPoint): CompressedRistretto {
CompressedRistretto {
data: point_compress_internal(point)
}
}

}
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