pallet_proxy_genesis_companion/
lib.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// You should have received a copy of the GNU General Public License
15// along with Moonbeam.  If not, see <http://www.gnu.org/licenses/>.
16
17//! A companion pallet to pallet-proxy
18//!
19//! This pallet allows you to specify proxy accounts that will exist from genesis. This
20//! functionality could be moved upstream into pallet proxy eventually, but for now there are fewer
21//! obstacles to including it here.
22
23#![cfg_attr(not(feature = "std"), no_std)]
24
25#[cfg(test)]
26mod mock;
27#[cfg(test)]
28mod tests;
29
30use frame_support::pallet;
31pub use pallet::*;
32
33#[pallet]
34pub mod pallet {
35	use frame_support::pallet_prelude::*;
36	use sp_runtime::traits::BlockNumberProvider;
37	use sp_std::vec::Vec;
38
39	type BlockNumberFor<T> =
40		<<T as Config>::BlockNumberProvider as BlockNumberProvider>::BlockNumber;
41
42	/// Pallet for configuring proxy at genesis
43	#[pallet::pallet]
44	#[pallet::without_storage_info]
45	pub struct Pallet<T>(PhantomData<T>);
46
47	/// This pallet requires
48	/// 1. pallet-proxy to be installed
49	/// 2. it's ProxyType and BlockNumberProvider to be serializable when built to std.
50	#[pallet::config]
51	pub trait Config:
52		frame_system::Config
53		+ pallet_proxy::Config<
54			ProxyType = <Self as Config>::ProxyType,
55			BlockNumberProvider = <Self as Config>::BlockNumberProvider,
56		>
57	{
58		/// This MUST be the same as in pallet_proxy or it won't compile
59		type ProxyType: MaybeSerializeDeserialize + Clone;
60
61		type BlockNumberProvider: BlockNumberProvider<
62			BlockNumber: MaybeSerializeDeserialize + Clone,
63		>;
64	}
65
66	#[pallet::genesis_config]
67	pub struct GenesisConfig<T: Config> {
68		pub proxies: Vec<(
69			T::AccountId,
70			T::AccountId,
71			<T as Config>::ProxyType,
72			BlockNumberFor<T>,
73		)>,
74	}
75
76	impl<T: Config> Default for GenesisConfig<T> {
77		fn default() -> Self {
78			Self {
79				proxies: Vec::new(),
80			}
81		}
82	}
83
84	#[pallet::genesis_build]
85	impl<T: Config> BuildGenesisConfig for GenesisConfig<T> {
86		fn build(&self) {
87			for (delegator, delegatee, proxy_type, delay) in &self.proxies {
88				pallet_proxy::Pallet::<T>::add_proxy_delegate(
89					delegator,
90					delegatee.clone(),
91					proxy_type.clone(),
92					*delay,
93				)
94				.expect("Genesis proxy could not be added");
95			}
96		}
97	}
98}
pallet_proxy_genesis_companion/lib.rs

pallet_proxy_genesis_companion/
lib.rs
