Resolve "Allow native Runtime execution"

Closes #214 (closed)

node/src/service.rs

@@ -89,7 +89,9 @@ pub mod gdev_executor {
 #[allow(dead_code)]
 #[cfg(feature = "g1")]
 pub mod g1_executor {
+    use crate::service::HostFunctions;
     pub use g1_runtime;
+    use sc_executor::sp_wasm_interface::{Function, HostFunctionRegistry};
 
     pub struct G1Executor;
     impl sc_executor::NativeExecutionDispatch for G1Executor {
@@ -103,12 +105,26 @@ pub mod g1_executor {
             g1_runtime::native_version()
         }
     }
+    impl sc_executor::sp_wasm_interface::HostFunctions for G1Executor {
+        fn host_functions() -> Vec<&'static dyn Function> {
+            HostFunctions::host_functions()
+        }
+
+        fn register_static<T>(registry: &mut T) -> Result<(), T::Error>
+        where
+            T: HostFunctionRegistry,
+        {
+            HostFunctions::register_static(registry)
+        }
+    }
 }
 
 #[allow(dead_code)]
 #[cfg(feature = "gtest")]
 pub mod gtest_executor {
+    use crate::service::HostFunctions;
     pub use gtest_runtime;
+    use sc_executor::sp_wasm_interface::{Function, HostFunctionRegistry};
 
     pub struct GTestExecutor;
     impl sc_executor::NativeExecutionDispatch for GTestExecutor {
@@ -122,6 +138,18 @@ pub mod gtest_executor {
             gtest_runtime::native_version()
         }
     }
+    impl sc_executor::sp_wasm_interface::HostFunctions for GTestExecutor {
+        fn host_functions() -> Vec<&'static dyn Function> {
+            HostFunctions::host_functions()
+        }
+
+        fn register_static<T>(registry: &mut T) -> Result<(), T::Error>
+        where
+            T: HostFunctionRegistry,
+        {
+            HostFunctions::register_static(registry)
+        }
+    }
 }
 ///
 /// The minimum period of blocks on which justifications will be