Added bridged currency transactor

runtime/main/src/lib.rs

@@ -85,7 +85,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     spec_name: create_runtime_str!("robonomics"),
     impl_name: create_runtime_str!("robonomics-airalab"),
     authoring_version: 1,
-    spec_version: 34,
+    spec_version: 35,
     impl_version: 0,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,

runtime/main/src/xcm_config.rs

@@ -52,6 +52,7 @@ parameter_types! {
     pub UniversalLocation: InteriorMultiLocation =
         X2(GlobalConsensus(RelayNetwork::get()), Parachain(ParachainInfo::parachain_id().into()));
     pub Local: MultiLocation = Here.into_location();
+    pub EthereumCurrencyLocation: MultiLocation = MultiLocation::new(2, X2(GlobalConsensus(Ethereum { chain_id: 1 }), AccountKey20{ network: None, key: hex!("7de91b204c1c737bcee6f000aaa6569cf7061cb7") }));
     pub AssetsPalletLocation: MultiLocation =
         PalletInstance(<Assets as PalletInfoAccess>::index() as u8).into();
     pub DummyCheckingAccount: AccountId = PolkadotXcm::check_account();
@@ -101,8 +102,26 @@ pub type FungiblesTransactor = FungiblesAdapter<
     DummyCheckingAccount,
 >;
 
+/// Means for transacting the native currency on this chain.
+pub type BridgedCurrencyTransactor = CurrencyAdapter<
+    // Use this currency:
+    Balances,
+    // Use this currency when it is a fungible asset matching the given location or name:
+    IsConcrete<EthereumCurrencyLocation>,
+    // Convert an XCM MultiLocation into a local account id:
+    LocationToAccountId,
+    // Our chain's account ID type (we can't get away without mentioning it explicitly):
+    AccountId,
+    // We don't track any teleports.
+    (),
+>;
+
 /// Means for transacting assets on this chain.
-pub type AssetTransactors = (CurrencyTransactor, FungiblesTransactor);
+pub type AssetTransactors = (
+    CurrencyTransactor,
+    BridgedCurrencyTransactor,
+    FungiblesTransactor,
+);
 
 /// This is the type we use to convert an (incoming) XCM origin into a local `Origin` instance,
 /// ready for dispatching a transaction with Xcm's `Transact`. There is an `OriginKind` which can