Fixed bug with target folder and latest changes from ink

examples/reentrancy_guard/Cargo.toml

@@ -0,0 +1,53 @@
+[package]
+name = "flipper"
+version = "1.4.0"
+authors = ["Supercolony <green.baneling@supercolony.net>"]
+edition = "2021"
+
+[dependencies]
+ink_primitives = { branch = "master", git = "https://github.com/paritytech/ink", default-features = false }
+ink_metadata = { branch = "master", git = "https://github.com/paritytech/ink", default-features = false, features = ["derive"], optional = true }
+ink_env = { branch = "master", git = "https://github.com/paritytech/ink", default-features = false }
+ink_storage = { branch = "master", git = "https://github.com/paritytech/ink", default-features = false }
+ink_lang = { branch = "master", git = "https://github.com/paritytech/ink", default-features = false }
+ink_prelude = { branch = "master", git = "https://github.com/paritytech/ink", default-features = false }
+
+scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
+scale-info = { version = "2", default-features = false, features = ["derive"], optional = true }
+
+# These dependencies
+brush = { path = "../..", default-features = false, features = ["reentrancy_guard"] }
+
+[lib]
+name = "flipper"
+path = "lib.rs"
+
+crate-type = [
+    "rlib",
+]
+
+[features]
+default = ["std"]
+std = [
+    "ink_primitives/std",
+    "ink_metadata",
+    "ink_metadata/std",
+    "ink_env/std",
+    "ink_storage/std",
+    "ink_lang/std",
+    "scale/std",
+    "scale-info",
+    "scale-info/std",
+
+    # These dependencies
+    "brush/std",
+]
+
+ink-as-dependency = []
+
+[profile.dev]
+codegen-units = 16
+overflow-checks = false
+
+[profile.release]
+overflow-checks = false

examples/reentrancy_guard/flip_on_me/Cargo.toml → examples/reentrancy_guard/contracts/flip_on_me/Cargo.toml

@@ -15,10 +15,8 @@ ink_prelude = { branch = "master", git = "https://github.com/paritytech/ink", de
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 scale-info = { version = "2", default-features = false, features = ["derive"], optional = true }
 
-# This dependencies
-# We will do a cross contract call via `MyFlipper` wrapper imported here
-brush = { path = "../../..", default-features = false, features = ["reentrancy_guard"] }
-my_flipper_guard = { path = "../flipper", default-features = false, features = ["ink-as-dependency"] }
+flipper = { path = "../..", default-features = false }
+brush = { path = "../../../..", default-features = false }
 
 [lib]
 name = "flip_on_me"
@@ -41,8 +39,8 @@ std = [
     "scale-info",
     "scale-info/std",
 
-    # This dependencies
-    "my_flipper_guard/std",
+    "flipper/std",
+    "brush/std",
 ]
 ink-as-dependency = []
 

examples/reentrancy_guard/contracts/flip_on_me/lib.rs

@@ -0,0 +1,20 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[brush::contract]
+pub mod flip_on_me {
+    use flipper::traits::flip_on_me::*;
+    use ink_storage::traits::SpreadAllocate;
+
+    #[ink(storage)]
+    #[derive(Default, SpreadAllocate)]
+    pub struct FlipOnMeContract {}
+
+    impl FlipOnMeContract {
+        #[ink(constructor)]
+        pub fn new() -> Self {
+            ink_lang::codegen::initialize_contract(|_instance: &mut Self| {})
+        }
+    }
+
+    impl FlipOnMe for FlipOnMeContract {}
+}

examples/reentrancy_guard/contracts/flipper/.gitignore

@@ -0,0 +1,9 @@
+# Ignore build artifacts from the local tests sub-crate.
+/target/
+
+# Ignore backup files creates by cargo fmt.
+**/*.rs.bk
+
+# Remove Cargo.lock when creating an executable, leave it for libraries
+# More information here http://doc.crates.io/guide.html#cargotoml-vs-cargolock
+Cargo.lock

examples/reentrancy_guard/flipper/Cargo.toml → examples/reentrancy_guard/contracts/flipper/Cargo.toml

@@ -16,16 +16,15 @@ scale = { package = "parity-scale-codec", version = "3", default-features = fals
 scale-info = { version = "2", default-features = false, features = ["derive"], optional = true }
 
 # These dependencies
-brush = { path = "../../..", default-features = false, features = ["reentrancy_guard"] }
+flipper = { path = "../..", default-features = false }
+brush = { path = "../../../..", default-features = false }
 
 [lib]
 name = "my_flipper_guard"
 path = "lib.rs"
 
 crate-type = [
     "cdylib",
-    # This contract will be imported by FlipOnMe contract, so we need build this crate also like a `rlib`
-    "rlib",
 ]
 
 [features]
@@ -42,6 +41,7 @@ std = [
     "scale-info/std",
 
     # These dependencies
+    "flipper/std",
     "brush/std",
 ]
 

examples/reentrancy_guard/contracts/flipper/lib.rs

@@ -0,0 +1,34 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[brush::contract]
+pub mod my_flipper_guard {
+    use flipper::traits::flipper::*;
+    use ink_storage::traits::SpreadAllocate;
+
+    #[ink(storage)]
+    #[derive(Default, SpreadAllocate, ReentrancyGuardStorage)]
+    pub struct MyFlipper {
+        #[ReentrancyGuardStorageField]
+        guard: ReentrancyGuardData,
+        value: bool,
+    }
+
+    impl FlipperStorage for MyFlipper {
+        fn value(&self) -> &bool {
+            &self.value
+        }
+
+        fn value_mut(&mut self) -> &mut bool {
+            &mut self.value
+        }
+    }
+
+    impl MyFlipper {
+        #[ink(constructor)]
+        pub fn new() -> Self {
+            ink_lang::codegen::initialize_contract(|_instance: &mut Self| {})
+        }
+    }
+
+    impl Flipper for MyFlipper {}
+}

examples/reentrancy_guard/lib.rs

@@ -0,0 +1,3 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+pub mod traits;

examples/reentrancy_guard/traits/flip_on_me.rs

@@ -0,0 +1,23 @@
+pub use brush::contracts::reentrancy_guard::*;
+use brush::traits::{
+    AccountId,
+    InkStorage,
+};
+
+#[brush::wrapper]
+pub type FlipOnMeRef = dyn FlipOnMe;
+
+#[brush::trait_definition]
+pub trait FlipOnMe: InkStorage {
+    #[ink(message)]
+    fn flip_on_me(&mut self) -> Result<(), ReentrancyGuardError> {
+        let caller = Self::env().caller();
+        self.flip_on_target(caller)
+    }
+
+    #[ink(message)]
+    fn flip_on_target(&mut self, callee: AccountId) -> Result<(), ReentrancyGuardError> {
+        // This method does a cross-contract call to caller contract and calls the `flip` method.
+        crate::traits::flipper::FlipperRef::flip(&callee)
+    }
+}

examples/reentrancy_guard/traits/flipper.rs

@@ -0,0 +1,38 @@
+pub use brush::contracts::reentrancy_guard::*;
+use brush::{
+    modifiers,
+    traits::AccountId,
+};
+
+pub trait FlipperStorage {
+    fn value(&self) -> &bool;
+    fn value_mut(&mut self) -> &mut bool;
+}
+
+#[brush::wrapper]
+pub type FlipperRef = dyn Flipper;
+
+#[brush::trait_definition]
+pub trait Flipper: FlipperStorage + ReentrancyGuardStorage {
+    #[ink(message)]
+    fn get_value(&self) -> bool {
+        self.value().clone()
+    }
+
+    #[ink(message)]
+    #[brush::modifiers(non_reentrant)]
+    fn flip(&mut self) -> Result<(), ReentrancyGuardError> {
+        *self.value_mut() = !self.value().clone();
+        Ok(())
+    }
+
+    #[ink(message)]
+    #[modifiers(non_reentrant)]
+    fn call_flip_on_me(&mut self, callee: AccountId) -> Result<(), ReentrancyGuardError> {
+        // This method will do a cross-contract call to callee account. It calls method `flip_on_me`.
+        // Callee contract during execution of `flip_on_me` will call `flip` of this contract.
+        // `call_flip_on_me` and `flip` are marked with `non_reentrant` modifier. It means,
+        // that call of `flip` after `call_flip_on_me` must fail.
+        crate::traits::flip_on_me::FlipOnMeRef::flip_on_me(&callee)
+    }
+}

examples/reentrancy_guard/traits/mod.rs

@@ -0,0 +1,2 @@
+pub mod flip_on_me;
+pub mod flipper;

redspot.config.ts

@@ -8,7 +8,7 @@ export default {
     contract: {
         ink: {
             toolchain: 'nightly',
-            sources: ['example_project_structure/contracts/**', 'examples/**', 'mock/**']
+            sources: ['example_project_structure/contracts/**', 'examples/**/', 'mock/**', `!examples/reentrancy_guard/Cargo.toml`]
         }
     },
     networks: {