Fix linked maps (#878)

* Fix linked maps

* Line breaks

packages/types/src/Metadata/v2/Storage.ts

@@ -103,9 +103,15 @@ export class StorageFunctionType extends EnumType<PlainType | MapType | DoubleMa
     if (this.isDoubleMap) {
       return this.asDoubleMap.value.toString();
     }
-    return this.isMap
-      ? this.asMap.value.toString()
-      : this.asType.toString();
+    if (this.isMap) {
+      if (this.asMap.isLinked) {
+        return `(${this.asMap.value.toString()}, Linkage<${this.asMap.key.toString()}>)`;
+      }
+
+      return this.asMap.value.toString();
+    }
+
+    return this.asType.toString();
   }
 }
 

packages/types/src/Metadata/v3/Storage.ts

@@ -113,9 +113,15 @@ export class StorageFunctionType extends EnumType<PlainType | MapType | DoubleMa
       return this.asDoubleMap.toString();
     }
 
-    return this.isMap
-      ? this.asMap.value.toString()
-      : this.asType.toString();
+    if (this.isMap) {
+      if (this.asMap.isLinked) {
+        return `(${this.asMap.value.toString()}, Linkage<${this.asMap.key.toString()}>)`;
+      }
+
+      return this.asMap.value.toString();
+    }
+
+    return this.asType.toString();
   }
 }
 

packages/types/src/Metadata/v4/Storage.ts

@@ -207,9 +207,15 @@ export class StorageFunctionType extends EnumType<PlainType | MapType | DoubleMa
       return this.asDoubleMap.toString();
     }
 
-    return this.isMap
-      ? this.asMap.value.toString()
-      : this.asType.toString();
+    if (this.isMap) {
+      if (this.asMap.isLinked) {
+        return `(${this.asMap.value.toString()}, Linkage<${this.asMap.key.toString()}>)`;
+      }
+
+      return this.asMap.value.toString();
+    }
+
+    return this.asType.toString();
   }
 }