From 98e58796f543376f8a4d8bf6e776c9010f98f77d Mon Sep 17 00:00:00 2001
From: inrust <anray1980@126.com>
Date: Sat, 23 Mar 2024 19:14:08 +0800
Subject: [PATCH] 100243333 exam

---
 student_no.txt          |  1 +
 task1/sources/main.move |  6 ++----
 task2/sources/main.move | 26 +++++++++++---------------
 task3/sources/m1.move   | 12 +++++-------
 task3/sources/m2.move   |  2 +-
 task3/sources/m3.move   |  2 +-
 task4/sources/main.move | 14 ++++++++------
 7 files changed, 29 insertions(+), 34 deletions(-)

diff --git a/student_no.txt b/student_no.txt
index 2a6816f..ae60a70 100644
--- a/student_no.txt
+++ b/student_no.txt
@@ -1 +1,2 @@
 # Please enter your 9-digit student number below.
+100243333
\ No newline at end of file
diff --git a/task1/sources/main.move b/task1/sources/main.move
index 2507060..86e002d 100644
--- a/task1/sources/main.move
+++ b/task1/sources/main.move
@@ -2,16 +2,14 @@
 // Create a struct called Wallet with a single field called balance of type u64.
 module 0x42::Task1 {
 
-    // TODO
     // Define a struct called Wallet with a single field called balance of type u64.
     struct Wallet has drop {
-        // ...
+        balance: u64
     }
 
-    // TODO
     // Define a function called myWallet that returns a Wallet with a balance of 1000.
     fun myWallet(): Wallet {
-        // ...
+        Wallet { balance: 1000 }
     }
 
     #[test]
diff --git a/task2/sources/main.move b/task2/sources/main.move
index d6746d8..b7cb7b0 100644
--- a/task2/sources/main.move
+++ b/task2/sources/main.move
@@ -2,16 +2,15 @@
 module 0x42::Task2{
     use std::signer;
 
-    // TODO
     // Define a struct Foo with two fields: u: u64, b: bool with ability to drop
-    struct Foo {
-       // ...
+    struct Foo has drop {
+        u: u64,
+        b: bool
     }
 
-    // TODO
     // Define a function gen_Fool that takes two arguments: u: u64, b: bool and returns a Foo
     fun gen_Fool(u:u64, b:bool): Foo {
-        // ...
+        Foo {u, b}
     }
 
     #[test]
@@ -30,16 +29,15 @@ module 0x42::Task2{
         assert!(f.b == true,1);
     }
 
-    // TODO
     // Define a struct Soo with two fields: x: u64, y: u64 with ability to copy
-    struct Soo {
-        // ...
+    struct Soo has copy {
+        x: u64,
+        y: u64
     }
 
-    // TODO
     // Define a function gen_Soo that takes two arguments: x: u64, y: u64 and returns a Soo
     fun gen_Soo(x:u64, y:u64): Soo {
-        // ...
+        Soo {x, y}
     }
 
     #[test]
@@ -54,15 +52,13 @@ module 0x42::Task2{
         let Soo { x: _, y: _ } = c2;
     }
 
-    // TODO
     // Define a struct Koo with a field: s: Moo with ability
-    struct Koo {
+    struct Koo has key {
         s: Moo
     }
 
-    // TODO
     // Define a struct Moo with a field: x: u64 with ability
-    struct Moo {
+    struct Moo has store {
         x: u64
     }
 
@@ -70,7 +66,7 @@ module 0x42::Task2{
     // TODO
     // Define a function gen_Moo that takes an argument: x: u64 and returns a Moo
     fun gen_Moo(x:u64): Moo {
-        // ...
+        Moo {x}
     }
 
     #[test]
diff --git a/task3/sources/m1.move b/task3/sources/m1.move
index e3542c4..ee86a29 100644
--- a/task3/sources/m1.move
+++ b/task3/sources/m1.move
@@ -2,21 +2,19 @@
 
 // Observe the function permissions called in M1, M2, and M3.
 // modify the visibility of the functions in M1, and set the M1 module visibility.
-module 0x42::M1{
+module 0x42::M1 {
 
-    // TODO
     // Define a module friend M2
-    friend       ;
+    friend 0x42::M2;
+    friend 0x42::M3;
     
-    // TODO
     // Define a function num that returns 66 with choose public or friend visibility
-    fun num():u64 {
+    public(friend) fun num():u64 {
         66
     }
 
-    // TODO
     // Define a function num2 that returns 88 with choose public or friend visibility
-    fun num2():u64 {
+    public(friend) fun num2():u64 {
         88
     }
 }
\ No newline at end of file
diff --git a/task3/sources/m2.move b/task3/sources/m2.move
index 9bfd86c..848d216 100644
--- a/task3/sources/m2.move
+++ b/task3/sources/m2.move
@@ -1,4 +1,4 @@
-module 0x42::M2{
+module 0x42::M2 {
     #[test]
     fun test(){
         use 0x42::M1::num;
diff --git a/task3/sources/m3.move b/task3/sources/m3.move
index 363eba0..645ca32 100644
--- a/task3/sources/m3.move
+++ b/task3/sources/m3.move
@@ -1,4 +1,4 @@
-module 0x42::M3{
+module 0x42::M3 {
     #[test]
     fun test(){
         use 0x42::M1::num;
diff --git a/task4/sources/main.move b/task4/sources/main.move
index daa4423..d74c391 100644
--- a/task4/sources/main.move
+++ b/task4/sources/main.move
@@ -9,22 +9,24 @@ module 0x42::Task4 {
 
     const NAME:vector<u8> = b"myObject"; 
 
-    // TODO
     // 1. create a deleteable object
     public fun createDeleteableObject(caller: &signer):ConstructorRef {
-        // ...
+        let caller_addr = signer::address_of(caller);
+        let constructor_ref = object::create_object(caller_addr);
+        constructor_ref
     }
 
-    // TODO
     // 2. create a named object
     public fun createNamedObject(caller: &signer):ConstructorRef {
-        // ...
+        let constructor_ref = object::create_named_object(caller, NAME);
+        constructor_ref
     }
 
-    // TODO
     // 3. create a sticky object
     public fun createStickyObject(caller: &signer):ConstructorRef {
-        // ...
+        let caller_addr = signer::address_of(caller);
+        let constructor_ref = object::create_sticky_object(caller_addr);
+        constructor_ref
     }
 
     #[test(caller = @0x88)]