Remove contracts RPCs (#12358)

* Remove contracts RPCs

* Remove serde as RPC serialization is no longer needed

* Rename folder to match crate name

* Compile fix

* Remove Byte wrapper

substrate/frame/contracts/runtime-api/Cargo.toml

@@ -0,0 +1,34 @@
+[package]
+name = "pallet-contracts-runtime-api"
+version = "4.0.0-dev"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2021"
+license = "Apache-2.0"
+homepage = "https://substrate.io"
+repository = "https://github.com/paritytech/substrate/"
+description = "Runtime API definition used to provide dry-run capabilities"
+readme = "README.md"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
+scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
+
+# Substrate Dependencies
+pallet-contracts-primitives = { version = "6.0.0", default-features = false, path = "../primitives" }
+sp-api = { version = "4.0.0-dev", default-features = false, path = "../../../primitives/api" }
+sp-runtime = { version = "6.0.0", default-features = false, path = "../../../primitives/runtime" }
+sp-std = { version = "4.0.0", default-features = false, path = "../../../primitives/std" }
+
+[features]
+default = ["std"]
+std = [
+	"sp-api/std",
+	"codec/std",
+	"scale-info/std",
+	"sp-std/std",
+	"sp-runtime/std",
+	"pallet-contracts-primitives/std",
+]

substrate/frame/contracts/runtime-api/README.md

@@ -0,0 +1,7 @@
+Runtime API definition used to provide dry-run capabilities
+
+This API should be imported and implemented by the runtime,
+of a node that wants to provide clients with dry-run
+capabilities.
+
+License: Apache-2.0

substrate/frame/contracts/runtime-api/src/lib.rs

@@ -0,0 +1,85 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2019-2022 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Runtime API definition used to provide dry-run capabilities.
+//!
+//! This API should be imported and implemented by the runtime,
+//! of a node that wants to provide clients with dry-run
+//! capabilities.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use codec::Codec;
+use pallet_contracts_primitives::{
+	Code, CodeUploadResult, ContractExecResult, ContractInstantiateResult, GetStorageResult,
+};
+use sp_std::vec::Vec;
+
+sp_api::decl_runtime_apis! {
+	/// The API to interact with contracts without using executive.
+	pub trait ContractsApi<AccountId, Balance, BlockNumber, Hash> where
+		AccountId: Codec,
+		Balance: Codec,
+		BlockNumber: Codec,
+		Hash: Codec,
+	{
+		/// Perform a call from a specified account to a given contract.
+		///
+		/// See `pallet_contracts::Pallet::call`.
+		fn call(
+			origin: AccountId,
+			dest: AccountId,
+			value: Balance,
+			gas_limit: u64,
+			storage_deposit_limit: Option<Balance>,
+			input_data: Vec<u8>,
+		) -> ContractExecResult<Balance>;
+
+		/// Instantiate a new contract.
+		///
+		/// See `pallet_contracts::Pallet::instantiate`.
+		fn instantiate(
+			origin: AccountId,
+			value: Balance,
+			gas_limit: u64,
+			storage_deposit_limit: Option<Balance>,
+			code: Code<Hash>,
+			data: Vec<u8>,
+			salt: Vec<u8>,
+		) -> ContractInstantiateResult<AccountId, Balance>;
+
+
+		/// Upload new code without instantiating a contract from it.
+		///
+		/// See `pallet_contracts::Pallet::upload_code`.
+		fn upload_code(
+			origin: AccountId,
+			code: Vec<u8>,
+			storage_deposit_limit: Option<Balance>,
+		) -> CodeUploadResult<Hash, Balance>;
+
+		/// Query a given storage key in a given contract.
+		///
+		/// Returns `Ok(Some(Vec<u8>))` if the storage value exists under the given key in the
+		/// specified account and `Ok(None)` if it doesn't. If the account specified by the address
+		/// doesn't exist, or doesn't have a contract then `Err` is returned.
+		fn get_storage(
+			address: AccountId,
+			key: Vec<u8>,
+		) -> GetStorageResult;
+	}
+}