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XCM handler: make send origin configurable. (#346)

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This commit is contained in:
Shaun Wang
2021-02-27 08:12:57 +13:00
committed by GitHub
parent 2c904359ca
commit 8ba3e66fd1
2 changed files with 14 additions and 11 deletions
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cumulus/pallets/xcm-handler/src/lib.rs
+12 -10
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@@ -27,8 +27,7 @@ use cumulus_primitives_core::{
DownwardMessageHandler, HrmpMessageHandler, HrmpMessageSender, InboundDownwardMessage,
InboundHrmpMessage, OutboundHrmpMessage, ParaId, UpwardMessageSender,
};
use frame_support::{decl_error, decl_event, decl_module, sp_runtime::traits::Hash};
use frame_system::ensure_root;
use frame_support::{decl_error, decl_event, decl_module, sp_runtime::traits::Hash, traits::EnsureOrigin};
use sp_std::convert::{TryFrom, TryInto};
use xcm::{
v0::{Error as XcmError, ExecuteXcm, Junction, MultiLocation, SendXcm, Xcm},
@@ -43,6 +42,9 @@ pub trait Config: frame_system::Config {
type UpwardMessageSender: UpwardMessageSender;
/// Something to send an HRMP message.
type HrmpMessageSender: HrmpMessageSender;
/// Required origin for sending XCM messages. Typically Root or parachain
/// council majority.
type SendXcmOrigin: EnsureOrigin<Self::Origin>;
}
decl_event! {
@@ -57,7 +59,7 @@ decl_event! {
BadFormat(Hash),
/// An upward message was sent to the relay chain.
UpwardMessageSent(Hash),
/// An HRMP message was sent to a sibling parachainchain.
/// An HRMP message was sent to a sibling parachain.
HrmpMessageSent(Hash),
}
}
@@ -74,21 +76,21 @@ decl_module! {
fn deposit_event() = default;
#[weight = 1_000]
fn sudo_send_xcm(origin, dest: MultiLocation, message: Xcm) {
ensure_root(origin)?;
Self::send_xcm(dest, message).map_err(|_| Error::<T>::FailedToSend)?;
fn send_xcm(origin, dest: MultiLocation, message: Xcm) {
T::SendXcmOrigin::ensure_origin(origin)?;
<Self as SendXcm>::send_xcm(dest, message).map_err(|_| Error::<T>::FailedToSend)?;
}
#[weight = 1_000]
fn sudo_send_upward_xcm(origin, message: VersionedXcm) {
ensure_root(origin)?;
fn send_upward_xcm(origin, message: VersionedXcm) {
T::SendXcmOrigin::ensure_origin(origin)?;
let data = message.encode();
T::UpwardMessageSender::send_upward_message(data).map_err(|_| Error::<T>::FailedToSend)?;
}
#[weight = 1_000]
fn sudo_send_hrmp_xcm(origin, recipient: ParaId, message: VersionedXcm) {
ensure_root(origin)?;
fn send_hrmp_xcm(origin, recipient: ParaId, message: VersionedXcm) {
T::SendXcmOrigin::ensure_origin(origin)?;
let data = message.encode();
let outbound_message = OutboundHrmpMessage {
recipient,