sp_keyring/
ed25519.rs

1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: Apache-2.0
5
6// Licensed under the Apache License, Version 2.0 (the "License");
7// you may not use this file except in compliance with the License.
8// You may obtain a copy of the License at
9//
10// 	http://www.apache.org/licenses/LICENSE-2.0
11//
12// Unless required by applicable law or agreed to in writing, software
13// distributed under the License is distributed on an "AS IS" BASIS,
14// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15// See the License for the specific language governing permissions and
16// limitations under the License.
17
18//! Support code for the runtime. A set of test accounts.
19
20pub use sp_core::ed25519;
21#[cfg(feature = "std")]
22use sp_core::ed25519::Signature;
23use sp_core::{
24	ed25519::{Pair, Public},
25	hex2array, ByteArray, Pair as PairT, H256,
26};
27use sp_runtime::AccountId32;
28
29extern crate alloc;
30use alloc::{format, string::String, vec::Vec};
31
32/// Set of test accounts.
33#[derive(
34	Debug, Clone, Copy, PartialEq, Eq, Hash, strum::Display, strum::EnumIter, Ord, PartialOrd,
35)]
36pub enum Keyring {
37	Alice,
38	Bob,
39	Charlie,
40	Dave,
41	Eve,
42	Ferdie,
43	AliceStash,
44	BobStash,
45	CharlieStash,
46	DaveStash,
47	EveStash,
48	FerdieStash,
49	One,
50	Two,
51}
52
53impl Keyring {
54	pub fn from_public(who: &Public) -> Option<Keyring> {
55		Self::iter().find(|&k| &Public::from(k) == who)
56	}
57
58	pub fn from_account_id(who: &AccountId32) -> Option<Keyring> {
59		Self::iter().find(|&k| &k.to_account_id() == who)
60	}
61
62	pub fn from_raw_public(who: [u8; 32]) -> Option<Keyring> {
63		Self::from_public(&Public::from_raw(who))
64	}
65
66	pub fn to_raw_public(self) -> [u8; 32] {
67		*Public::from(self).as_array_ref()
68	}
69
70	pub fn from_h256_public(who: H256) -> Option<Keyring> {
71		Self::from_public(&Public::from_raw(who.into()))
72	}
73
74	pub fn to_h256_public(self) -> H256 {
75		Public::from(self).as_array_ref().into()
76	}
77
78	pub fn to_raw_public_vec(self) -> Vec<u8> {
79		Public::from(self).to_raw_vec()
80	}
81
82	pub fn to_account_id(self) -> AccountId32 {
83		self.to_raw_public().into()
84	}
85
86	#[cfg(feature = "std")]
87	pub fn sign(self, msg: &[u8]) -> Signature {
88		Pair::from(self).sign(msg)
89	}
90
91	pub fn pair(self) -> Pair {
92		Pair::from_string(&format!("//{}", <&'static str>::from(self)), None)
93			.expect("static values are known good; qed")
94	}
95
96	/// Returns an iterator over all test accounts.
97	pub fn iter() -> impl Iterator<Item = Keyring> {
98		<Self as strum::IntoEnumIterator>::iter()
99	}
100
101	pub fn public(self) -> Public {
102		Public::from(self)
103	}
104
105	pub fn to_seed(self) -> String {
106		format!("//{}", self)
107	}
108}
109
110impl From<Keyring> for &'static str {
111	fn from(k: Keyring) -> Self {
112		match k {
113			Keyring::Alice => "Alice",
114			Keyring::Bob => "Bob",
115			Keyring::Charlie => "Charlie",
116			Keyring::Dave => "Dave",
117			Keyring::Eve => "Eve",
118			Keyring::Ferdie => "Ferdie",
119			Keyring::AliceStash => "Alice//stash",
120			Keyring::BobStash => "Bob//stash",
121			Keyring::CharlieStash => "Charlie//stash",
122			Keyring::DaveStash => "Dave//stash",
123			Keyring::EveStash => "Eve//stash",
124			Keyring::FerdieStash => "Ferdie//stash",
125			Keyring::One => "One",
126			Keyring::Two => "Two",
127		}
128	}
129}
130
131impl From<Keyring> for sp_runtime::MultiSigner {
132	fn from(x: Keyring) -> Self {
133		sp_runtime::MultiSigner::Ed25519(x.into())
134	}
135}
136
137impl From<Keyring> for Public {
138	fn from(k: Keyring) -> Self {
139		Public::from_raw(k.into())
140	}
141}
142
143impl From<Keyring> for AccountId32 {
144	fn from(k: Keyring) -> Self {
145		k.to_account_id()
146	}
147}
148
149impl From<Keyring> for Pair {
150	fn from(k: Keyring) -> Self {
151		k.pair()
152	}
153}
154
155impl From<Keyring> for [u8; 32] {
156	fn from(k: Keyring) -> Self {
157		match k {
158			Keyring::Alice =>
159				hex2array!("88dc3417d5058ec4b4503e0c12ea1a0a89be200fe98922423d4334014fa6b0ee"),
160			Keyring::Bob =>
161				hex2array!("d17c2d7823ebf260fd138f2d7e27d114c0145d968b5ff5006125f2414fadae69"),
162			Keyring::Charlie =>
163				hex2array!("439660b36c6c03afafca027b910b4fecf99801834c62a5e6006f27d978de234f"),
164			Keyring::Dave =>
165				hex2array!("5e639b43e0052c47447dac87d6fd2b6ec50bdd4d0f614e4299c665249bbd09d9"),
166			Keyring::Eve =>
167				hex2array!("1dfe3e22cc0d45c70779c1095f7489a8ef3cf52d62fbd8c2fa38c9f1723502b5"),
168			Keyring::Ferdie =>
169				hex2array!("568cb4a574c6d178feb39c27dfc8b3f789e5f5423e19c71633c748b9acf086b5"),
170			Keyring::AliceStash =>
171				hex2array!("451781cd0c5504504f69ceec484cc66e4c22a2b6a9d20fb1a426d91ad074a2a8"),
172			Keyring::BobStash =>
173				hex2array!("292684abbb28def63807c5f6e84e9e8689769eb37b1ab130d79dbfbf1b9a0d44"),
174			Keyring::CharlieStash =>
175				hex2array!("dd6a6118b6c11c9c9e5a4f34ed3d545e2c74190f90365c60c230fa82e9423bb9"),
176			Keyring::DaveStash =>
177				hex2array!("1d0432d75331ab299065bee79cdb1bdc2497c597a3087b4d955c67e3c000c1e2"),
178			Keyring::EveStash =>
179				hex2array!("c833bdd2e1a7a18acc1c11f8596e2e697bb9b42d6b6051e474091a1d43a294d7"),
180			Keyring::FerdieStash =>
181				hex2array!("199d749dbf4b8135cb1f3c8fd697a390fc0679881a8a110c1d06375b3b62cd09"),
182			Keyring::One =>
183				hex2array!("16f97016bbea8f7b45ae6757b49efc1080accc175d8f018f9ba719b60b0815e4"),
184			Keyring::Two =>
185				hex2array!("5079bcd20fd97d7d2f752c4607012600b401950260a91821f73e692071c82bf5"),
186		}
187	}
188}
189
190impl From<Keyring> for H256 {
191	fn from(k: Keyring) -> Self {
192		k.into()
193	}
194}
195
196#[cfg(test)]
197mod tests {
198	use super::*;
199	use sp_core::{ed25519::Pair, Pair as PairT};
200
201	#[test]
202	fn should_work() {
203		assert!(Pair::verify(
204			&Keyring::Alice.sign(b"I am Alice!"),
205			b"I am Alice!",
206			&Keyring::Alice.public(),
207		));
208		assert!(!Pair::verify(
209			&Keyring::Alice.sign(b"I am Alice!"),
210			b"I am Bob!",
211			&Keyring::Alice.public(),
212		));
213		assert!(!Pair::verify(
214			&Keyring::Alice.sign(b"I am Alice!"),
215			b"I am Alice!",
216			&Keyring::Bob.public(),
217		));
218	}
219
220	#[test]
221	fn verify_static_public_keys() {
222		assert!(Keyring::iter().all(|k| { k.pair().public().as_ref() == <[u8; 32]>::from(k) }));
223	}
224}