Companion PR for 5795 (#1041)

* add storage_append

* Bump versions

Co-authored-by: Gav Wood <gavin@parity.io>

polkadot/parachain/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-parachain"
-version = "0.7.30"
+version = "0.7.31-dev"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Types and utilities for creating and working with parachains"
 edition = "2018"

polkadot/parachain/src/wasm_executor/mod.rs

@@ -262,6 +262,14 @@ impl sp_externalities::Externalities for ValidationExternalities {
 		panic!("next_storage_key: unsupported feature for parachain validation")
 	}
 
+	fn storage_append(
+		&mut self,
+		_key: Vec<u8>,
+		_value: Vec<u8>,
+	) {
+		panic!("storage_append: unsupported feature for parachain validation")
+	}
+
 	fn wipe(&mut self) {
 		panic!("wipe: unsupported feature for parachain validation")
 	}

polkadot/parachain/test-parachains/adder/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "test-parachain-adder"
-version = "0.7.30"
+version = "0.7.31-dev"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which adds to a number as its state transition"
 edition = "2018"

polkadot/parachain/test-parachains/halt/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "test-parachain-halt"
-version = "0.7.30"
+version = "0.7.31-dev"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which executes forever"
 edition = "2018"