diff --git a/soypak/deps/transaction.py b/soypak/deps/transaction.py
index 6193b57..03db11f 100644
--- a/soypak/deps/transaction.py
+++ b/soypak/deps/transaction.py
@@ -22,12 +22,13 @@ class Transaction:
         self.pkg_goal: PkgGoal = goal
 
 
-    def compute(self, pkgs: list[bottler._Soybottle]) -> tuple:
+    def compute(self, pkgs: list[bottler.PackageItem]) -> tuple:
         """Compute dependencies and conflicts of packages. Returns a list of total packages to install."""
         self._final_state = []
         sys_depends = []
         for pkg in pkgs:
-            ...
+            # add the package itself to the final state since it can be installed
+            self._final_state.append(pkg)
             # :@TODO: compute the dependencies
 
         return tuple(sys_depends)
@@ -35,7 +36,7 @@ class Transaction:
 
     def apply(self):
         if self.pkg_goal == PkgGoal.PKG_INSTALL:
-            ops.install_packages(self._final_state)
+            ops.install_packages(self, self._final_state)
 
 
     def problems(self) -> tuple: