more cleanup

steps/10/src/lib.rs

@@ -36,7 +36,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			Self::mint(who)?;
 			Ok(())

steps/11/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId) -> DispatchResult {
 		let current_count: u64 = CountForKitties::<T>::get().unwrap_or(0);
 		let new_count = current_count + 1;

steps/11/src/lib.rs

@@ -36,7 +36,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			Self::mint(who)?;
 			Ok(())

steps/12/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId) -> DispatchResult {
 		let current_count: u64 = CountForKitties::<T>::get().unwrap_or(0);
 		/* TODO: Update this logic to use safe math. */

steps/12/src/lib.rs

@@ -40,7 +40,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			Self::mint(who)?;
 			Ok(())

steps/13/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId) -> DispatchResult {
 		let current_count: u64 = CountForKitties::<T>::get().unwrap_or(0);
 		let new_count = current_count.checked_add(1).ok_or(Error::<T>::TooManyKitties)?;

steps/13/src/lib.rs

@@ -38,7 +38,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			Self::mint(who)?;
 			Ok(())

steps/14/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId) -> DispatchResult {
 		/* TODO: Remove the `unwrap_or` which is not needed when using `ValueQuery`. */
 		let current_count: u64 = CountForKitties::<T>::get().unwrap_or(0);

steps/14/src/lib.rs

@@ -39,7 +39,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			Self::mint(who)?;
 			Ok(())

steps/15/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId) -> DispatchResult {
 		let current_count: u64 = CountForKitties::<T>::get();
 		let new_count = current_count.checked_add(1).ok_or(Error::<T>::TooManyKitties)?;

steps/15/src/lib.rs

@@ -38,7 +38,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			Self::mint(who)?;
 			Ok(())

steps/16/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId) -> DispatchResult {
 		let current_count: u64 = CountForKitties::<T>::get();
 		let new_count = current_count.checked_add(1).ok_or(Error::<T>::TooManyKitties)?;

steps/16/src/lib.rs

@@ -42,7 +42,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			Self::mint(who)?;
 			Ok(())

steps/17/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	/* TODO: Update this function signature to include `id` which is type `[u8; 16]`. */
 	pub fn mint(owner: T::AccountId) -> DispatchResult {
 		let current_count: u64 = CountForKitties::<T>::get();

steps/17/src/lib.rs

@@ -42,7 +42,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			/* TODO: Create `const default_id`, which type `[u8; 16]` and has value `[0u8; 16]`. */
 			/* TODO: Pass `default_id` to the `mint` function as a second parameter. */

steps/18/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let current_count: u64 = CountForKitties::<T>::get();
 		let new_count = current_count.checked_add(1).ok_or(Error::<T>::TooManyKitties)?;

steps/18/src/lib.rs

@@ -42,7 +42,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/19/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		/* TODO:
 			- `ensure!` that `Kitties` map does not `contains_key` for `dna`.

steps/19/src/lib.rs

@@ -43,7 +43,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/20/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		// Check if the kitty does not already exist in our storage map
 		ensure!(!Kitties::<T>::contains_key(dna), Error::<T>::DuplicateKitty);

steps/20/src/lib.rs

@@ -43,7 +43,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/21/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		// Check if the kitty does not already exist in our storage map
 		ensure!(!Kitties::<T>::contains_key(dna), Error::<T>::DuplicateKitty);

steps/21/src/lib.rs

@@ -43,7 +43,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/22/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		// Check if the kitty does not already exist in our storage map
 		ensure!(!Kitties::<T>::contains_key(dna), Error::<T>::DuplicateKitty);

steps/22/src/lib.rs

@@ -51,7 +51,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/23/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		// Check if the kitty does not already exist in our storage map
 		ensure!(!Kitties::<T>::contains_key(dna), Error::<T>::DuplicateKitty);

steps/23/src/lib.rs

@@ -49,7 +49,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/24/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		/* Create a new variable `kitty` which is a `Kitty` struct with `dna` and `owner`. */
 

steps/24/src/lib.rs

@@ -54,7 +54,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/25/src/impls.rs

@@ -2,7 +2,6 @@ use super::*;
 use frame_support::pallet_prelude::*;
 
 impl<T: Config> Pallet<T> {
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/25/src/lib.rs

@@ -51,7 +51,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = [0u8; 16];
 			Self::mint(who, dna)?;

steps/26/src/impls.rs

@@ -13,7 +13,6 @@ impl<T: Config> Pallet<T> {
 		- Return the 16 byte hash.
 	*/
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/26/src/lib.rs

@@ -51,7 +51,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			/* TODO: Use the `Self::gen_dna()` function to generate a unique Kitty. */
 			let dna = [0u8; 16];

steps/27/src/impls.rs

@@ -17,7 +17,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/27/src/lib.rs

@@ -51,7 +51,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/28/src/impls.rs

@@ -17,7 +17,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/28/src/lib.rs

@@ -57,7 +57,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/29/src/impls.rs

@@ -17,7 +17,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/29/src/lib.rs

@@ -56,7 +56,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/30/src/impls.rs

@@ -17,7 +17,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/30/src/lib.rs

@@ -61,7 +61,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/31/src/impls.rs

@@ -18,7 +18,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/31/src/lib.rs

@@ -60,7 +60,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/32/src/impls.rs

@@ -18,7 +18,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/32/src/lib.rs

@@ -60,7 +60,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/33/src/impls.rs

@@ -18,7 +18,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/33/src/lib.rs

@@ -66,7 +66,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/34/src/impls.rs

@@ -18,7 +18,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map

steps/34/src/lib.rs

@@ -61,7 +61,6 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		pub fn create_kitty(origin: OriginFor<T>) -> DispatchResult {
-			// Learn about `origin`.
 			let who = ensure_signed(origin)?;
 			let dna = Self::gen_dna();
 			Self::mint(who, dna)?;

steps/35/src/impls.rs

@@ -18,7 +18,6 @@ impl<T: Config> Pallet<T> {
 		frame_support::Hashable::blake2_128(&encoded_payload)
 	}
 
-	// Learn about `AccountId`.
 	pub fn mint(owner: T::AccountId, dna: [u8; 16]) -> DispatchResult {
 		let kitty = Kitty { dna, owner: owner.clone() };
 		// Check if the kitty does not already exist in our storage map