From fd9536941798baf0ad375cb59b12061e4ee6878f Mon Sep 17 00:00:00 2001
From: Adam Welc <adam@mystenlabs.com>
Date: Tue, 1 Nov 2022 00:13:37 -0700
Subject: [PATCH] [move] Add example of user code organized into multiple
 packages (#5676)

* [move] Add example of user code organized into multiple packages

* Addressed review comments

* Added copyright headers
---
 sui_programmability/examples/multi_package/README.md  |  5 +++++
 .../examples/multi_package/dep_package/Move.toml      |  9 +++++++++
 .../multi_package/dep_package/sources/dep_module.move | 10 ++++++++++
 .../examples/multi_package/main_package/Move.toml     | 10 ++++++++++
 .../main_package/sources/main_module.move             | 11 +++++++++++
 5 files changed, 45 insertions(+)
 create mode 100644 sui_programmability/examples/multi_package/README.md
 create mode 100644 sui_programmability/examples/multi_package/dep_package/Move.toml
 create mode 100644 sui_programmability/examples/multi_package/dep_package/sources/dep_module.move
 create mode 100644 sui_programmability/examples/multi_package/main_package/Move.toml
 create mode 100644 sui_programmability/examples/multi_package/main_package/sources/main_module.move

diff --git a/sui_programmability/examples/multi_package/README.md b/sui_programmability/examples/multi_package/README.md
new file mode 100644
index 0000000000000..f8cb10b284dd5
--- /dev/null
+++ b/sui_programmability/examples/multi_package/README.md
@@ -0,0 +1,5 @@
+An example of how to structure your code to include another user-level package as a dependency.
+
+Make sure that the dependency name (in this example DepPackage in main_package/Move.toml file's
+`[dependencies]` section) is the same as the name of the package (in dep_package/Move.toml file's
+`[package]` section).
diff --git a/sui_programmability/examples/multi_package/dep_package/Move.toml b/sui_programmability/examples/multi_package/dep_package/Move.toml
new file mode 100644
index 0000000000000..0c6bbce8ce716
--- /dev/null
+++ b/sui_programmability/examples/multi_package/dep_package/Move.toml
@@ -0,0 +1,9 @@
+[package]
+name = "DepPackage"
+version = "0.0.1"
+
+[dependencies]
+Sui = { local = "../../../../crates/sui-framework" }
+
+[addresses]
+dep_package = "0x0"
diff --git a/sui_programmability/examples/multi_package/dep_package/sources/dep_module.move b/sui_programmability/examples/multi_package/dep_package/sources/dep_module.move
new file mode 100644
index 0000000000000..5f39a4d557dd9
--- /dev/null
+++ b/sui_programmability/examples/multi_package/dep_package/sources/dep_module.move
@@ -0,0 +1,10 @@
+// Copyright (c) Mysten Labs, Inc.
+// SPDX-License-Identifier: Apache-2.0
+
+module dep_package::dep_module {
+
+    public fun foo(): u64 {
+        42
+    }
+
+}
diff --git a/sui_programmability/examples/multi_package/main_package/Move.toml b/sui_programmability/examples/multi_package/main_package/Move.toml
new file mode 100644
index 0000000000000..21825b529efec
--- /dev/null
+++ b/sui_programmability/examples/multi_package/main_package/Move.toml
@@ -0,0 +1,10 @@
+[package]
+name = "MainPackage"
+version = "0.0.1"
+
+[dependencies]
+Sui = { local = "../../../../crates/sui-framework" }
+DepPackage = { local = "../dep_package" }
+
+[addresses]
+main_package = "0x0"
diff --git a/sui_programmability/examples/multi_package/main_package/sources/main_module.move b/sui_programmability/examples/multi_package/main_package/sources/main_module.move
new file mode 100644
index 0000000000000..2550d35bbfac9
--- /dev/null
+++ b/sui_programmability/examples/multi_package/main_package/sources/main_module.move
@@ -0,0 +1,11 @@
+// Copyright (c) Mysten Labs, Inc.
+// SPDX-License-Identifier: Apache-2.0
+
+module main_package::main_module {
+    use dep_package::dep_module;
+
+    fun foo(): u64 {
+        dep_module::foo()
+    }
+
+}