Fix compilation.?

client/api/Cargo.toml

@@ -10,6 +10,7 @@ codec = { package = "parity-scale-codec", version = "1.0.0", default-features =
 consensus = { package = "substrate-consensus-common", path = "../../primitives/consensus/common" }
 derive_more = { version = "0.15.0" }
 executor = { package = "substrate-executor", path = "../executor" }
+externalities = { package = "substrate-externalities", path = "../../primitives/externalities" }
 fnv = { version = "1.0.6" }
 futures = { version = "0.1.29" }
 futures03 = { package = "futures-preview", version = "0.3.0-alpha.19", features = ["compat"] }

client/api/src/call_executor.rs

@@ -26,7 +26,7 @@ use state_machine::{
 use executor::{RuntimeVersion, NativeVersion};
 use externalities::Extensions;
 use hash_db::Hasher;
-use primitives::{offchain::OffchainExt, Blake2Hasher, NativeOrEncoded};
+use primitives::{Blake2Hasher, NativeOrEncoded};
 
 use sr_api::{ProofRecorder, InitializeBlock};
 use crate::error;

primitives/core/src/offchain.rs

@@ -667,7 +667,7 @@ pub trait TransactionPool {
 
 #[cfg(feature = "std")]
 externalities::decl_extension! {
-	pub struct TransactionPoolExt(Box<dyn TransactionPool>);
+	pub struct TransactionPoolExt(Box<dyn TransactionPool + Send>);
 }
 
 

primitives/sr-io/src/lib.rs

@@ -35,7 +35,10 @@ use rstd::ops::Deref;
 
 #[cfg(feature = "std")]
 use primitives::{
-	crypto::Pair, traits::KeystoreExt, offchain::OffchainExt, hexdisplay::HexDisplay,
+	crypto::Pair,
+	traits::KeystoreExt,
+	offchain::{OffchainExt, TransactionPoolExt},
+	hexdisplay::HexDisplay,
 	storage::ChildStorageKey,
 };
 
@@ -424,7 +427,7 @@ pub trait Offchain {
 	///
 	/// The transaction will end up in the pool.
 	fn submit_transaction(&mut self, data: Vec<u8>) -> Result<(), ()> {
-		self.extension::<OffchainExt>()
+		self.extension::<TransactionPoolExt>()
 			.expect("submit_transaction can be called only in the offchain worker context")
 			.submit_transaction(data)
 	}