From d4a6c0e96d5405cacf35e5d5d467805aa1bcaf00 Mon Sep 17 00:00:00 2001
From: rrruko <rukokarasu@gmail.com>
Date: Thu, 31 Aug 2023 15:34:15 -0700
Subject: [PATCH] add missing applyDoubleCborEncoding in scriptRef handling for
 emulator

---
 src/provider/emulator.ts | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/provider/emulator.ts b/src/provider/emulator.ts
index 92758056..5e1bfbb1 100644
--- a/src/provider/emulator.ts
+++ b/src/provider/emulator.ts
@@ -26,6 +26,7 @@ import {
   fromHex,
   getAddressDetails,
   toHex,
+  applyDoubleCborEncoding,
 } from "../utils/utils.ts";
 
 /** Concatentation of txHash + outputIndex */
@@ -464,27 +465,30 @@ export class Emulator implements Provider {
       }
 
       const scriptRef = entry.utxo.scriptRef;
+      console.log(scriptRef);
       if (scriptRef) {
         switch (scriptRef.type) {
           case "Native": {
-            const script = C.NativeScript.from_bytes(fromHex(scriptRef.script));
+            const script = C.NativeScript.from_bytes(fromHex(applyDoubleCborEncoding(scriptRef.script)));
             nativeHashesOptional[
               script.hash(C.ScriptHashNamespace.NativeScript).to_hex()
             ] = script;
             break;
           }
           case "PlutusV1": {
-            const script = C.PlutusScript.from_bytes(fromHex(scriptRef.script));
-            plutusHashesOptional.push(
-              script.hash(C.ScriptHashNamespace.PlutusV1).to_hex(),
-            );
+            console.log("PlutusV1 script of length: " + fromHex(scriptRef.script).length);
+            const script = C.PlutusScript.from_bytes(fromHex(applyDoubleCborEncoding(scriptRef.script)));
+            let it = script.hash(C.ScriptHashNamespace.PlutusV1).to_hex();
+            console.log("pushing optional V1 hash from reference: " + it);
+            plutusHashesOptional.push(it);
             break;
           }
           case "PlutusV2": {
-            const script = C.PlutusScript.from_bytes(fromHex(scriptRef.script));
-            plutusHashesOptional.push(
-              script.hash(C.ScriptHashNamespace.PlutusV2).to_hex(),
-            );
+            console.log("PlutusV2 script of length: " + fromHex(scriptRef.script).length);
+            const script = C.PlutusScript.from_bytes(fromHex(applyDoubleCborEncoding(scriptRef.script)));
+            let it = script.hash(C.ScriptHashNamespace.PlutusV2).to_hex();
+            console.log("pushing optional V2 hash from reference: " + it);
+            plutusHashesOptional.push(it);
             break;
           }
         }