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sp-sandbox: move the sandbox module of sp-core into sp-sandbox (#11027)

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* sp-sandbox: move the sandbox module of sp-core into sp-sandbox

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix

Signed-off-by: koushiro <koushiro.cqx@gmail.com>
This commit is contained in:
Qinxuan Chen
2022-04-26 17:25:41 +08:00
committed by GitHub
parent 94dac682b4
commit e9b69bc1b0
17 changed files with 198 additions and 177 deletions
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substrate/primitives/core/src/lib.rs
-1
View File
@@ -62,7 +62,6 @@ pub mod hash;
#[cfg(feature = "std")]
mod hasher;
pub mod offchain;
pub mod sandbox;
pub mod sr25519;
pub mod testing;
#[cfg(feature = "std")]
substrate/primitives/core/src/sandbox.rs
-118
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@@ -1,118 +0,0 @@
// This file is part of Substrate.
// Copyright (C) 2018-2022 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.
//! Definition of a sandbox environment.
use codec::{Decode, Encode};
use sp_std::vec::Vec;
/// Error error that can be returned from host function.
#[derive(Encode, Decode, crate::RuntimeDebug)]
pub struct HostError;
/// Describes an entity to define or import into the environment.
#[derive(Clone, PartialEq, Eq, Encode, Decode, crate::RuntimeDebug)]
pub enum ExternEntity {
/// Function that is specified by an index in a default table of
/// a module that creates the sandbox.
#[codec(index = 1)]
Function(u32),
/// Linear memory that is specified by some identifier returned by sandbox
/// module upon creation new sandboxed memory.
#[codec(index = 2)]
Memory(u32),
}
/// An entry in a environment definition table.
///
/// Each entry has a two-level name and description of an entity
/// being defined.
#[derive(Clone, PartialEq, Eq, Encode, Decode, crate::RuntimeDebug)]
pub struct Entry {
/// Module name of which corresponding entity being defined.
pub module_name: Vec<u8>,
/// Field name in which corresponding entity being defined.
pub field_name: Vec<u8>,
/// External entity being defined.
pub entity: ExternEntity,
}
/// Definition of runtime that could be used by sandboxed code.
#[derive(Clone, PartialEq, Eq, Encode, Decode, crate::RuntimeDebug)]
pub struct EnvironmentDefinition {
/// Vector of all entries in the environment definition.
pub entries: Vec<Entry>,
}
/// Constant for specifying no limit when creating a sandboxed
/// memory instance. For FFI purposes.
pub const MEM_UNLIMITED: u32 = -1i32 as u32;
/// No error happened.
///
/// For FFI purposes.
pub const ERR_OK: u32 = 0;
/// Validation or instantiation error occurred when creating new
/// sandboxed module instance.
///
/// For FFI purposes.
pub const ERR_MODULE: u32 = -1i32 as u32;
/// Out-of-bounds access attempted with memory or table.
///
/// For FFI purposes.
pub const ERR_OUT_OF_BOUNDS: u32 = -2i32 as u32;
/// Execution error occurred (typically trap).
///
/// For FFI purposes.
pub const ERR_EXECUTION: u32 = -3i32 as u32;
#[cfg(test)]
mod tests {
use super::*;
use codec::Codec;
use std::fmt;
fn roundtrip<S: Codec + PartialEq + fmt::Debug>(s: S) {
let encoded = s.encode();
assert_eq!(S::decode(&mut &encoded[..]).unwrap(), s);
}
#[test]
fn env_def_roundtrip() {
roundtrip(EnvironmentDefinition { entries: vec![] });
roundtrip(EnvironmentDefinition {
entries: vec![Entry {
module_name: b"kernel"[..].into(),
field_name: b"memory"[..].into(),
entity: ExternEntity::Memory(1337),
}],
});
roundtrip(EnvironmentDefinition {
entries: vec![Entry {
module_name: b"env"[..].into(),
field_name: b"abort"[..].into(),
entity: ExternEntity::Function(228),
}],
});
}
}