Merge pull request #42 from BitGo/BTC-1460.wrap-maxweight

feat: wrap maxWeightToSatisfy
BitGo · Sep 5, 2024 · ca40ccc · ca40ccc
2 parents eb0966b + c29ebb4
commit ca40ccc
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diff --git a/packages/wasm-miniscript/src/descriptor.rs b/packages/wasm-miniscript/src/descriptor.rs
@@ -82,6 +82,18 @@ impl WrapDescriptor {
         Ok(self.explicit_script()?.to_asm_string())
     }
 
+    #[wasm_bindgen(js_name = maxWeightToSatisfy)]
+    pub fn max_weight_to_satisfy(&self) -> Result<u32, JsError> {
+        let weight = (match &self.0 {
+            WrapDescriptorEnum::Derivable(desc, _) => {
+                desc.max_weight_to_satisfy()
+            }
+            WrapDescriptorEnum::Definite(desc) => desc.max_weight_to_satisfy(),
+            WrapDescriptorEnum::String(desc) => desc.max_weight_to_satisfy(),
+        })?;
+        weight.to_wu().try_into().map_err(|_| JsError::new("Weight exceeds u32"))
+    }
+
     #[wasm_bindgen(js_name = fromString, skip_typescript)]
     pub fn from_string(descriptor: &str, pk_type: &str) -> Result<WrapDescriptor, JsError> {
         match pk_type {

diff --git a/packages/wasm-miniscript/test/test.ts b/packages/wasm-miniscript/test/test.ts
@@ -58,6 +58,8 @@ describe("Descriptor fixtures", function () {
           fixture.script,
         );
       }
+
+      assert.ok(Number.isInteger(descriptor.maxWeightToSatisfy()));
     });
   });
 });
-Original file line number
+Diff line change
@@ Expand Up / @@ -58,6 +58,8 @@ describe("Descriptor fixtures", function () { @@
               fixture.script,
             );
           }
+          assert.ok(Number.isInteger(descriptor.maxWeightToSatisfy()));
         });
       });
     });