fix extend() error on ScriptBuilder replacing it with script_mut() ac…

…cessor

crypto/txscript/src/opcodes/macros.rs

@@ -139,7 +139,7 @@ macro_rules! opcode_list {
                     }
                 }
                 else if let Some(Ok(value)) = token.strip_prefix("0x").and_then(|trimmed| Some(hex::decode(trimmed))) {
-                    builder.extend(&value);
+                    builder.script_mut().extend(&value);
                 }
                 else if token.len() >= 2 && token.chars().nth(0) == Some('\'') && token.chars().last() == Some('\'') {
                     builder.add_data(token[1..token.len()-1].as_bytes())?;

crypto/txscript/src/script_builder.rs

@@ -74,11 +74,15 @@ impl ScriptBuilder {
         &self.script
     }
 
-    #[cfg(any(test, target_arch = "wasm32"))]
-    pub fn extend(&mut self, data: &[u8]) {
-        self.script.extend(data);
+    pub fn script_mut(&mut self) -> &mut Vec<u8> {
+        &mut self.script
     }
 
+    // #[cfg(any(test, target_arch = "wasm32"))]
+    // pub fn extend(&mut self, data: &[u8]) {
+    //     self.script.extend(data);
+    // }
+
     pub fn drain(&mut self) -> Vec<u8> {
         // Note that the internal script, when taken, is replaced by
         // vector with no predefined capacity because the script

crypto/txscript/src/wasm/builder.rs

@@ -53,7 +53,7 @@ impl ScriptBuilder {
     pub fn from_script(script: BinaryT) -> Result<ScriptBuilder> {
         let builder = ScriptBuilder::default();
         let script = script.try_as_vec_u8()?;
-        builder.inner_mut().extend(&script);
+        builder.inner_mut().script_mut().extend(&script);
 
         Ok(builder)
     }