moonbeam_runtime/governance/
origins.rs

1// Copyright 2019-2025 PureStake Inc.
2// This file is part of Moonbeam.
3
4// Moonbeam is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Moonbeam is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14//! Custom origins for governance interventions.
15#![cfg_attr(not(feature = "std"), no_std)]
16
17pub use custom_origins::*;
18
19#[frame_support::pallet]
20pub mod custom_origins {
21	use frame_support::pallet_prelude::*;
22	use strum_macros::EnumString;
23
24	#[pallet::config]
25	pub trait Config: frame_system::Config {}
26
27	#[pallet::pallet]
28	pub struct Pallet<T>(_);
29
30	#[derive(
31		PartialEq,
32		Eq,
33		Clone,
34		MaxEncodedLen,
35		Encode,
36		Decode,
37		TypeInfo,
38		RuntimeDebug,
39		EnumString,
40		DecodeWithMemTracking,
41	)]
42	#[strum(serialize_all = "snake_case")]
43	#[pallet::origin]
44	pub enum Origin {
45		/// Origin able to dispatch a whitelisted call.
46		WhitelistedCaller,
47		/// General admin
48		GeneralAdmin,
49		/// Origin able to cancel referenda.
50		ReferendumCanceller,
51		/// Origin able to kill referenda.
52		ReferendumKiller,
53		/// Fast General Admin
54		FastGeneralAdmin,
55	}
56
57	macro_rules! decl_unit_ensures {
58		( $name:ident: $success_type:ty = $success:expr ) => {
59			pub struct $name;
60			impl<O: Into<Result<Origin, O>> + From<Origin>>
61				EnsureOrigin<O> for $name
62			{
63				type Success = $success_type;
64				fn try_origin(o: O) -> Result<Self::Success, O> {
65					o.into().and_then(|o| match o {
66						Origin::$name => Ok($success),
67						r => Err(O::from(r)),
68					})
69				}
70				#[cfg(feature = "runtime-benchmarks")]
71				fn try_successful_origin() -> Result<O, ()> {
72					Ok(O::from(Origin::$name))
73				}
74			}
75		};
76		( $name:ident ) => { decl_unit_ensures! { $name : () = () } };
77		( $name:ident: $success_type:ty = $success:expr, $( $rest:tt )* ) => {
78			decl_unit_ensures! { $name: $success_type = $success }
79			decl_unit_ensures! { $( $rest )* }
80		};
81		( $name:ident, $( $rest:tt )* ) => {
82			decl_unit_ensures! { $name }
83			decl_unit_ensures! { $( $rest )* }
84		};
85		() => {}
86	}
87	decl_unit_ensures!(
88		ReferendumCanceller,
89		ReferendumKiller,
90		WhitelistedCaller,
91		GeneralAdmin,
92		FastGeneralAdmin,
93	);
94}
moonbeam_runtime/governance/origins.rs

moonbeam_runtime/governance/
origins.rs
