Integrate the claims module (#355)

* Integrate the claims.

* Remove accidetnal code.

* Update runtime/src/lib.rs

Co-Authored-By: thiolliere <gui.thiolliere@gmail.com>

* Add Config.

* Introduce claims to config

* Expose claims module signing Prefix (#358)

* Update parking_lot, bette trait args

polkadot/runtime/src/claims.rs

@@ -68,11 +68,11 @@ impl EcdsaSignature {
 
 decl_event!(
 	pub enum Event<T> where
-		B = BalanceOf<T>,
-		A = <T as system::Trait>::AccountId
+		Balance = BalanceOf<T>,
+		AccountId = <T as system::Trait>::AccountId
 	{
 		/// Someone claimed some DOTs.
-		Claimed(A, EthereumAddress, B),
+		Claimed(AccountId, EthereumAddress, Balance),
 	}
 );
 
@@ -96,6 +96,9 @@ decl_storage! {
 
 decl_module! {
 	pub struct Module<T: Trait> for enum Call where origin: T::Origin {
+		/// The Prefix that is used in signed Ethereum messages for this network
+		const Prefix: &[u8] = T::Prefix::get();
+
 		/// Deposit one of this module's events by using the default implementation.
 		fn deposit_event<T>() = default;
 

polkadot/runtime/src/lib.rs

@@ -144,7 +144,7 @@ parameter_types! {
 pub type DealWithFees = SplitTwoWays<
 	Balance,
 	NegativeImbalance,
-	_4, Treasury,   // 4 parts (80%) goes to the treasury.
+	_4, Treasury,     // 4 parts (80%) goes to the treasury.
 	_1, ToAuthor,     // 1 part (20%) goes to the block author.
 >;
 
@@ -373,6 +373,16 @@ impl slots::Trait for Runtime {
 
 impl curated_grandpa::Trait for Runtime { }
 
+parameter_types!{
+	pub const Prefix: &'static [u8] = b"Pay KSMs to the Kusama account:";
+}
+
+impl claims::Trait for Runtime {
+	type Event = Event;
+	type Currency = Balances;
+	type Prefix = Prefix;
+}
+
 impl sudo::Trait for Runtime {
 	type Event = Event;
 	type Proposal = Call;
@@ -403,6 +413,7 @@ construct_runtime!(
 		Parachains: parachains::{Module, Call, Storage, Config<T>, Inherent, Origin},
 		Attestations: attestations::{Module, Call, Storage},
 		Slots: slots::{Module, Call, Storage, Event<T>},
+		Claims: claims::{Module, Call, Storage, Event<T>, Config<T>, ValidateUnsigned},
 		Sudo: sudo,
 	}
 );