[framework] spoofup DevNetNFT to allows transfers and updates

These are cool features to demonstrate that complement the simple creation case. Added relevant functions and tests.

sui_programmability/framework/sources/DevNetNFT.move

@@ -8,7 +8,7 @@
 module Sui::DevNetNFT {
     use Sui::Url::{Self, Url};
     use Sui::UTF8;
-    use Sui::ID::VersionedID;
+    use Sui::ID::{Self, VersionedID};
     use Sui::Transfer;
     use Sui::TxContext::{Self, TxContext};
 
@@ -39,4 +39,79 @@ module Sui::DevNetNFT {
         };
         Transfer::transfer(nft, TxContext::sender(ctx))
     }
+
+    /// Transfer `nft` to `recipient`
+    public(script) fun transfer(
+        nft: DevNetNFT, recipient: address, _: &mut TxContext
+    ) {
+        Transfer::transfer(nft, recipient)
+    }
+
+    /// Update the `description` of `nft` to `new_description`
+    public(script) fun update_description(
+        nft: &mut DevNetNFT, 
+        new_description: vector<u8>, 
+        _: &mut TxContext
+    ) {
+        nft.description = UTF8::string_unsafe(new_description)
+    }
+
+    /// Permanently delete `nft`
+    public(script) fun burn(nft: DevNetNFT, _: &mut TxContext) {
+        let DevNetNFT { id, name: _, description: _, url: _ } = nft;
+        ID::delete(id)
+    }
+
+    /// Get the NFT's `name`
+    public fun name(nft: &DevNetNFT): &UTF8::String {
+        &nft.name
+    }
+
+    /// Get the NFT's `description`
+    public fun description(nft: &DevNetNFT): &UTF8::String {
+        &nft.description
+    }
+
+    /// Get the NFT's `url`
+    public fun url(nft: &DevNetNFT): &Url {
+        &nft.url
+    }
+}
+
+#[test_only]
+module Sui::DevNetNFTTests {
+    use Sui::DevNetNFT::{Self, DevNetNFT};
+    use Sui::TestScenario;
+    use Sui::UTF8;
+
+    #[test]
+    public(script) fun mint_transfer_update() {
+        let addr1 = @0xA;
+        let addr2 = @0xB;
+        // create the NFT
+        let scenario = TestScenario::begin(&addr1);
+        {
+            DevNetNFT::mint(b"test", b"a test", b"https://www.sui.io", TestScenario::ctx(&mut scenario))           
+        };
+        // send it from A to B
+        TestScenario::next_tx(&mut scenario, &addr1);
+        {
+            let nft = TestScenario::take_owned<DevNetNFT>(&mut scenario);
+            DevNetNFT::transfer(nft, addr2, TestScenario::ctx(&mut scenario));
+        };
+        // update its description
+        TestScenario::next_tx(&mut scenario, &addr2);
+        {
+            let nft = TestScenario::take_owned<DevNetNFT>(&mut scenario);
+            DevNetNFT::update_description(&mut nft, b"a new description", TestScenario::ctx(&mut scenario)) ;
+            assert!(*UTF8::bytes(DevNetNFT::description(&nft)) == b"a new description", 0);
+            TestScenario::return_owned(&mut scenario, nft);
+        };
+        // burn it
+        TestScenario::next_tx(&mut scenario, &addr2);
+        {
+            let nft = TestScenario::take_owned<DevNetNFT>(&mut scenario);
+            DevNetNFT::burn(nft, TestScenario::ctx(&mut scenario))
+        }
+    }
 }