Standard v2 Cadence 1.0 updates

.github/workflows/ci.yml

@@ -18,19 +18,12 @@ jobs:
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 16
-          cache: 'npm'
-          cache-dependency-path: lib/js/test/package-lock.json
       - name: Install Flow CLI
-        run: sh -ci "$(curl -fsSL https://raw.githubusercontent.com/onflow/flow-cli/master/install.sh)" -- v1.3.1
+        run: sh -ci "$(curl -fsSL https://raw.githubusercontent.com/onflow/flow-cli/master/install.sh)" -- v1.5.0-stable-cadence.3
       - name: Flow CLI Version
         run: flow version
       - name: Update PATH
         run: echo "/root/.local/bin" >> $GITHUB_PATH
-      - name: Install dependencies
-        run: cd lib/js/test && npm ci
       - name: Run tests
         run: make ci
 

.github/workflows/release.yml

@@ -12,20 +12,4 @@ jobs:
     name: 🚀 release
     runs-on: ubuntu-latest
     steps:
-      - name: 📚 checkout
-        uses: actions/[email protected]
-      - name: 🟢 node
-        uses: actions/[email protected]
-        with:
-          node-version: 15
-          registry-url: https://registry.npmjs.org
-      - name: Install Dependencies
-        run: npm i
-      - name: Create Release Pull Request or Publish to npm
-        id: changesets
-        uses: changesets/action@v1
-        with:
-          publish: npm run release
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+      - name: 📚 checkout

.gitignore

@@ -1,3 +1,4 @@
 .idea
 .vscode
-node_modules
+node_modules
+coverage.json

Makefile

@@ -2,11 +2,9 @@
 test:
 	$(MAKE) generate -C lib/go
 	$(MAKE) test -C lib/go
-	$(MAKE) test -C lib/js/test
-	flow test --cover tests/test_example_nft.cdc
+	flow test --cover tests/*_tests.cdc
 
 .PHONY: ci
 ci:
 	$(MAKE) ci -C lib/go
-	$(MAKE) ci -C lib/js/test
-	flow test --cover tests/test_example_nft.cdc
+	flow test --cover tests/*_tests.cdc

contracts/ExampleNFT-v2.cdc

@@ -230,6 +230,11 @@ access(all) contract ExampleNFT: MultipleNFT, ViewResolver {
             return self.ownedNFTs.keys
         }
 
+        /// Gets the amount of NFTs stored in the collection
+        access(all) view fun getLength(): Int {
+            return self.ownedNFTs.keys.length
+        }
+
         access(all) view fun getIDsWithTypes(): {Type: [UInt64]} {
             let typeIDs: {Type: [UInt64]} = {}
             typeIDs[Type<@ExampleNFT.NFT>()] = self.getIDs()
@@ -251,9 +256,10 @@ access(all) contract ExampleNFT: MultipleNFT, ViewResolver {
 
         /// Borrow the view resolver for the specified NFT ID
         access(all) view fun borrowViewResolver(id: UInt64): &{ViewResolver.Resolver}? {
-            let nft = (&self.ownedNFTs[id] as &ExampleNFT.NFT?)!
-            let exampleNFT = nft as! &ExampleNFT.NFT
-            return exampleNFT as &{ViewResolver.Resolver}
+            if let nft = &self.ownedNFTs[id] as &ExampleNFT.NFT? {
+                return nft as &{ViewResolver.Resolver}
+            }
+            return nil
         }
 
         /// public function that anyone can call to create a new empty collection
@@ -336,12 +342,13 @@ access(all) contract ExampleNFT: MultipleNFT, ViewResolver {
     access(all) view fun getCollectionData(nftType: Type): MetadataViews.NFTCollectionData? {
         switch nftType {
             case Type<@ExampleNFT.NFT>():
-                let collectionRef = self.account.borrow<&ExampleNFT.Collection>(from: /storage/cadenceExampleNFTCollection)
-                    ?? panic("Could not borrow a reference to the stored collection")
+                let collectionRef = self.account.storage.borrow<&ExampleNFT.Collection>(
+                        from: /storage/cadenceExampleNFTCollection
+                    ) ?? panic("Could not borrow a reference to the stored collection")
                 let collectionData = MetadataViews.NFTCollectionData(
                     storagePath: collectionRef.getDefaultStoragePath()!,
                     publicPath: collectionRef.getDefaultPublicPath()!,
-                    providerPath: /private/exampleNFTCollection,
+                    providerPath: /private/cadenceExampleNFTCollection,
                     publicCollection: Type<&ExampleNFT.Collection>(),
                     publicLinkedType: Type<&ExampleNFT.Collection>(),
                     providerLinkedType: Type<auth(NonFungibleToken.Withdrawable) &ExampleNFT.Collection>(),
@@ -424,17 +431,15 @@ access(all) contract ExampleNFT: MultipleNFT, ViewResolver {
         let collection <- create Collection()
         let defaultStoragePath = collection.getDefaultStoragePath()!
         let defaultPublicPath = collection.getDefaultPublicPath()!
-        self.account.save(<-collection, to: defaultStoragePath)
+        self.account.storage.save(<-collection, to: defaultStoragePath)
 
         // create a public capability for the collection
-        self.account.link<&ExampleNFT.Collection>(
-            defaultPublicPath,
-            target: defaultStoragePath
-        )
+        let collectionCap = self.account.capabilities.storage.issue<&ExampleNFT.Collection>(defaultStoragePath)
+        self.account.capabilities.publish(collectionCap, at: defaultPublicPath)
 
         // Create a Minter resource and save it to storage
         let minter <- create NFTMinter()
-        self.account.save(<-minter, to: self.MinterStoragePath)
+        self.account.storage.save(<-minter, to: self.MinterStoragePath)
     }
 }
 

contracts/NonFungibleToken-v2.cdc

@@ -58,7 +58,7 @@ access(all) contract NonFungibleToken {
     ///
     access(all) event Withdraw(id: UInt64, uuid: UInt64, from: Address?, type: String)
 
-    access(self) fun emitNFTWithdraw(id: UInt64, uuid: UInt64, from: Address?, type: String): Bool
+    access(self) view fun emitNFTWithdraw(id: UInt64, uuid: UInt64, from: Address?, type: String): Bool
     {
         emit Withdraw(id: id, uuid: uuid, from: from, type: type)
         return true
@@ -70,7 +70,7 @@ access(all) contract NonFungibleToken {
     ///
     access(all) event Deposit(id: UInt64, uuid: UInt64, to: Address?, type: String)
 
-    access(self) fun emitNFTDeposit(id: UInt64, uuid: UInt64, to: Address?, type: String): Bool
+    access(self) view fun emitNFTDeposit(id: UInt64, uuid: UInt64, to: Address?, type: String): Bool
     {
         emit Deposit(id: id, uuid: uuid, to: to, type: type)
         return true
@@ -82,7 +82,7 @@ access(all) contract NonFungibleToken {
     ///
     access(all) event Transfer(id: UInt64, uuid: UInt64, from: Address?, to: Address?, type: String)
 
-    access(self) fun emitNFTTransfer(id: UInt64, uuid: UInt64?, from: Address?, to: Address?, type: String?): Bool
+    access(self) view fun emitNFTTransfer(id: UInt64, uuid: UInt64?, from: Address?, to: Address?, type: String?): Bool
     {
         // The transfer method can return false even if it didn't do a transfer
         // in which case we don't want the event to be emitted
@@ -99,7 +99,7 @@ access(all) contract NonFungibleToken {
     /// The event that should be emitted when an NFT is destroyed
     access(all) event Destroy(id: UInt64, uuid: UInt64, type: String)
 
-    access(self) fun emitNFTDestroy(id: UInt64, uuid: UInt64, type: String): Bool
+    access(self) view fun emitNFTDestroy(id: UInt64, uuid: UInt64, type: String): Bool
     {
         emit Destroy(id: id, uuid: uuid, type: type)
         return true
@@ -122,7 +122,7 @@ access(all) contract NonFungibleToken {
 
         destroy() {
             pre {
-                //NonFungibleToken.emitNFTDestroy(id: self.getID(), uuid: self.uuid, type: self.getType().identifier)
+                NonFungibleToken.emitNFTDestroy(id: self.getID(), uuid: self.uuid, type: self.getType().identifier)
             }
         }
     }
@@ -143,7 +143,7 @@ access(all) contract NonFungibleToken {
         access(Withdrawable) fun withdraw(withdrawID: UInt64): @{NFT} {
             post {
                 result.getID() == withdrawID: "The ID of the withdrawn token must be the same as the requested ID"
-                //NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
+                NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
             }
         }
 
@@ -161,7 +161,7 @@ access(all) contract NonFungibleToken {
         access(Withdrawable) fun withdrawWithUUID(_ uuid: UInt64): @{NFT} {
             post {
                 result == nil || result!.uuid == uuid: "The ID of the withdrawn token must be the same as the requested ID"
-                //NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
+                NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
             }
         }
 
@@ -170,7 +170,7 @@ access(all) contract NonFungibleToken {
         access(Withdrawable) fun withdrawWithType(type: Type, withdrawID: UInt64): @{NFT} {
             post {
                 result == nil || result.getID() == withdrawID: "The ID of the withdrawn token must be the same as the requested ID"
-                //NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
+                NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
             }
         }
 
@@ -179,7 +179,7 @@ access(all) contract NonFungibleToken {
         access(Withdrawable) fun withdrawWithTypeAndUUID(type: Type, uuid: UInt64): @{NFT} {
             post {
                 result == nil || result!.uuid == uuid: "The ID of the withdrawn token must be the same as the requested ID"
-                //NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
+                NonFungibleToken.emitNFTWithdraw(id: result.getID(), uuid: result.uuid, from: self.owner?.address, type: result.getType().identifier)
             }
         }
     }
@@ -247,7 +247,7 @@ access(all) contract NonFungibleToken {
         /// and returns it to the caller so that they can own NFTs
         access(all) fun createEmptyCollection(): @{Collection} {
             post {
-                result.getIDs().length == 0: "The created collection must be empty!"
+                result.getLength() == 0: "The created collection must be empty!"
             }
         }
 
@@ -260,24 +260,23 @@ access(all) contract NonFungibleToken {
 
         /// deposit takes a NFT and adds it to the collections dictionary
         /// and adds the ID to the id array
-        access(all) fun deposit(token: @{NonFungibleToken.NFT}) 
-        // {
-        //     pre {
-        //         // We emit the deposit event in the `Collection` interface
-        //         // because the `Collection` interface is almost always the final destination
-        //         // of tokens and deposit emissions from custom receivers could be confusing
-        //         // and hard to reconcile to event listeners
-        //         //NonFungibleToken.emitNFTDeposit(id: token.getID(), uuid: token.uuid, to: self.owner?.address, type: token.getType().identifier)
-        //     }
-        // }
+        access(all) fun deposit(token: @{NonFungibleToken.NFT}) {
+            pre {
+                // We emit the deposit event in the `Collection` interface
+                // because the `Collection` interface is almost always the final destination
+                // of tokens and deposit emissions from custom receivers could be confusing
+                // and hard to reconcile to event listeners
+                NonFungibleToken.emitNFTDeposit(id: token.getID(), uuid: token.uuid, to: self.owner?.address, type: token.getType().identifier)
+            }
+        }
 
         /// Function for a direct transfer instead of having to do a deposit and withdrawal
         /// This can and should return false if the transfer doesn't succeed and true if it does succeed
         ///
         access(Withdrawable) fun transfer(id: UInt64, receiver: Capability<&{NonFungibleToken.Receiver}>): Bool {
             pre {
-                receiver.check(): "Could not borrow a reference to the NFT receiver"
-                //NonFungibleToken.emitNFTTransfer(id: id, uuid: self.borrowNFTSafe(id: id)?.uuid, from: self.owner?.address, to: receiver.borrow()?.owner?.address, type: self.borrowNFT(id).getType().identifier)
+                self.getIDs().contains(id): "The collection does not contain the specified ID"
+                NonFungibleToken.emitNFTTransfer(id: id, uuid: self.borrowNFTSafe(id: id)?.uuid, from: self.owner?.address, to: receiver.borrow()?.owner?.address, type: self.borrowNFT(id).getType().identifier)
             }
         }