lib.rs 25.6 KB
Newer Older
Gav's avatar
Gav committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
// Copyright 2017 Parity Technologies (UK) Ltd.
// This file is part of Polkadot.

// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Polkadot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.

17
//! The Polkadot runtime. This can be compiled with `#[no_std]`, ready for Wasm.
Gav's avatar
Gav committed
18
19

#![cfg_attr(not(feature = "std"), no_std)]
20
21
// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
#![recursion_limit="256"]
Gav Wood's avatar
Gav Wood committed
22

23
24
mod attestations;
mod claims;
25
mod parachains;
Gavin Wood's avatar
Gavin Wood committed
26
mod slot_range;
27
mod registrar;
Gavin Wood's avatar
Gavin Wood committed
28
mod slots;
29
mod crowdfund;
Gav Wood's avatar
Gav Wood committed
30

31
use rstd::prelude::*;
32
use sp_core::u32_trait::{_1, _2, _3, _4, _5};
33
use codec::{Encode, Decode};
34
use primitives::{
35
	AccountId, AccountIndex, Balance, BlockNumber, Hash, Nonce, Signature, Moment,
36
	parachain::{self, ActiveParas, CandidateReceipt}, ValidityError,
37
};
38
use sp_runtime::{
Gavin Wood's avatar
Gavin Wood committed
39
	create_runtime_str, generic, impl_opaque_keys,
40
	ApplyExtrinsicResult, Permill, Perbill, RuntimeDebug,
Gavin Wood's avatar
Gavin Wood committed
41
	transaction_validity::{TransactionValidity, InvalidTransaction, TransactionValidityError},
42
	curve::PiecewiseLinear,
Gavin Wood's avatar
Gavin Wood committed
43
	traits::{BlakeTwo256, Block as BlockT, StaticLookup, SignedExtension, OpaqueKeys},
Gav Wood's avatar
Gav Wood committed
44
};
Arkadiy Paronyan's avatar
Arkadiy Paronyan committed
45
use version::RuntimeVersion;
46
use grandpa::{AuthorityId as GrandpaId, fg_primitives};
47
48
#[cfg(any(feature = "std", test))]
use version::NativeVersion;
49
50
use sp_core::OpaqueMetadata;
use sp_staking::SessionIndex;
51
52
53
use frame_support::{
	parameter_types, construct_runtime, traits::{SplitTwoWays, Currency, Randomness},
	weights::{Weight, DispatchInfo},
Gavin Wood's avatar
Gavin Wood committed
54
};
thiolliere's avatar
thiolliere committed
55
use im_online::sr25519::AuthorityId as ImOnlineId;
Gavin Wood's avatar
Gavin Wood committed
56
use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
Gavin Wood's avatar
Gavin Wood committed
57
use system::offchain::TransactionSubmitter;
58
use pallet_transaction_payment_rpc_runtime_api::RuntimeDispatchInfo;
59

Gav Wood's avatar
Gav Wood committed
60
61
#[cfg(feature = "std")]
pub use staking::StakerStatus;
62
#[cfg(any(feature = "std", test))]
63
pub use sp_runtime::BuildStorage;
64
pub use timestamp::Call as TimestampCall;
65
pub use balances::Call as BalancesCall;
66
67
pub use attestations::{Call as AttestationsCall, MORE_ATTESTATIONS_IDENTIFIER};
pub use parachains::{Call as ParachainsCall, NEW_HEADS_IDENTIFIER};
68

69
70
/// Implementations of some helper traits passed into runtime modules as associated types.
pub mod impls;
71
use impls::{CurrencyToVoteHandler, TargetedFeeAdjustment, ToAuthor, WeightToFee};
72
73
74
75
76

/// Constant values used within the runtime.
pub mod constants;
use constants::{time::*, currency::*};

77
78
79
80
// Make the WASM binary available.
#[cfg(feature = "std")]
include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));

81
82
83
/*
// KUSAMA: Polkadot version identifier; may be uncommented for Polkadot mainnet.
/// Runtime version (Polkadot).
Arkadiy Paronyan's avatar
Arkadiy Paronyan committed
84
pub const VERSION: RuntimeVersion = RuntimeVersion {
85
86
	spec_name: create_runtime_str!("polkadot"),
	impl_name: create_runtime_str!("parity-polkadot"),
Gav Wood's avatar
Gav Wood committed
87
	authoring_version: 1,
André Silva's avatar
André Silva committed
88
	spec_version: 1000,
89
	impl_version: 0,
90
	apis: RUNTIME_API_VERSIONS,
Arkadiy Paronyan's avatar
Arkadiy Paronyan committed
91
};
92
93
94
95
96
97
98
*/

// KUSAMA: Kusama version identifier; may be removed for Polkadot mainnet.
/// Runtime version (Kusama).
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("kusama"),
	impl_name: create_runtime_str!("parity-kusama"),
99
	authoring_version: 2,
100
	spec_version: 1029,
101
102
103
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
};
Arkadiy Paronyan's avatar
Arkadiy Paronyan committed
104

105
106
107
108
109
110
111
112
113
/// Native version.
#[cfg(any(feature = "std", test))]
pub fn native_version() -> NativeVersion {
	NativeVersion {
		runtime_version: VERSION,
		can_author_with: Default::default(),
	}
}

114
115
116
117
/// Avoid processing transactions that are anything except staking and claims.
///
/// RELEASE: This is only relevant for the initial PoA run-in period and may be removed
/// from the release runtime.
118
#[derive(Default, Encode, Decode, Clone, Eq, PartialEq, RuntimeDebug)]
119
120
121
122
123
124
pub struct OnlyStakingAndClaims;
impl SignedExtension for OnlyStakingAndClaims {
	type AccountId = AccountId;
	type Call = Call;
	type AdditionalSigned = ();
	type Pre = ();
125
126
	type DispatchInfo = DispatchInfo;

Gavin Wood's avatar
Gavin Wood committed
127
	fn additional_signed(&self) -> rstd::result::Result<(), TransactionValidityError> { Ok(()) }
128

129
	fn validate(&self, _: &Self::AccountId, call: &Self::Call, _: DispatchInfo, _: usize)
Gavin Wood's avatar
Gavin Wood committed
130
		-> TransactionValidity
131
132
	{
		match call {
Gavin Wood's avatar
Gavin Wood committed
133
			Call::Slots(_) | Call::Registrar(_)
134
135
				=> Err(InvalidTransaction::Custom(ValidityError::NoPermission.into()).into()),
			_ => Ok(Default::default()),
136
137
138
139
		}
	}
}

140
type NegativeImbalance = <Balances as Currency<AccountId>>::NegativeImbalance;
Gavin Wood's avatar
Gavin Wood committed
141

142
parameter_types! {
143
	pub const BlockHashCount: BlockNumber = 250;
144
145
146
	pub const MaximumBlockWeight: Weight = 1_000_000_000;
	pub const AvailableBlockRatio: Perbill = Perbill::from_percent(75);
	pub const MaximumBlockLength: u32 = 5 * 1024 * 1024;
147
	pub const Version: RuntimeVersion = VERSION;
148
149
}

150
151
impl system::Trait for Runtime {
	type Origin = Origin;
152
	type Call = Call;
Gav Wood's avatar
Gav Wood committed
153
	type Index = Nonce;
154
155
156
157
	type BlockNumber = BlockNumber;
	type Hash = Hash;
	type Hashing = BlakeTwo256;
	type AccountId = AccountId;
Gav Wood's avatar
Gav Wood committed
158
	type Lookup = Indices;
159
	type Header = generic::Header<BlockNumber, BlakeTwo256>;
Gav's avatar
Gav committed
160
	type Event = Event;
161
	type BlockHashCount = BlockHashCount;
162
163
164
	type MaximumBlockWeight = MaximumBlockWeight;
	type MaximumBlockLength = MaximumBlockLength;
	type AvailableBlockRatio = AvailableBlockRatio;
165
	type Version = Version;
166
167
}

168
parameter_types! {
169
	pub const EpochDuration: u64 = EPOCH_DURATION_IN_BLOCKS as u64;
170
171
172
173
174
175
	pub const ExpectedBlockTime: Moment = MILLISECS_PER_BLOCK;
}

impl babe::Trait for Runtime {
	type EpochDuration = EpochDuration;
	type ExpectedBlockTime = ExpectedBlockTime;
176
177
178

	// session module is the trigger
	type EpochChangeTrigger = babe::ExternalTrigger;
179
180
}

Gav Wood's avatar
Gav Wood committed
181
182
183
184
185
186
187
impl indices::Trait for Runtime {
	type IsDeadAccount = Balances;
	type AccountIndex = AccountIndex;
	type ResolveHint = indices::SimpleResolveHint<Self::AccountId, Self::AccountIndex>;
	type Event = Event;
}

Gavin Wood's avatar
Gavin Wood committed
188
parameter_types! {
189
	pub const ExistentialDeposit: Balance = 100 * CENTS;
Gavin Wood's avatar
Gavin Wood committed
190
191
192
193
194
195
196
197
	pub const TransferFee: Balance = 1 * CENTS;
	pub const CreationFee: Balance = 1 * CENTS;
}

/// Splits fees 80/20 between treasury and block author.
pub type DealWithFees = SplitTwoWays<
	Balance,
	NegativeImbalance,
198
199
	_4, Treasury,   // 4 parts (80%) goes to the treasury.
	_1, ToAuthor,   // 1 part (20%) goes to the block author.
Gavin Wood's avatar
Gavin Wood committed
200
201
>;

202
impl balances::Trait for Runtime {
Gav's avatar
Gav committed
203
204
	type Balance = Balance;
	type OnFreeBalanceZero = Staking;
Gav Wood's avatar
Gav Wood committed
205
	type OnNewAccount = Indices;
Gav's avatar
Gav committed
206
	type Event = Event;
207
208
	type DustRemoval = ();
	type TransferPayment = ();
Gavin Wood's avatar
Gavin Wood committed
209
210
211
	type ExistentialDeposit = ExistentialDeposit;
	type TransferFee = TransferFee;
	type CreationFee = CreationFee;
212
213
214
215
216
}

parameter_types! {
	pub const TransactionBaseFee: Balance = 1 * CENTS;
	pub const TransactionByteFee: Balance = 10 * MILLICENTS;
217
218
	// for a sane configuration, this should always be less than `AvailableBlockRatio`.
	pub const TargetBlockFullness: Perbill = Perbill::from_percent(25);
219
220
221
222
223
}

impl transaction_payment::Trait for Runtime {
	type Currency = Balances;
	type OnTransactionPayment = DealWithFees;
Gavin Wood's avatar
Gavin Wood committed
224
225
	type TransactionBaseFee = TransactionBaseFee;
	type TransactionByteFee = TransactionByteFee;
226
	type WeightToFee = WeightToFee;
227
	type FeeMultiplierUpdate = TargetedFeeAdjustment<TargetBlockFullness>;
Gav's avatar
Gav committed
228
229
}

230
parameter_types! {
231
	pub const MinimumPeriod: u64 = SLOT_DURATION / 2;
232
}
233
impl timestamp::Trait for Runtime {
234
	type Moment = u64;
235
	type OnTimestampSet = Babe;
236
	type MinimumPeriod = MinimumPeriod;
237
238
}

Gavin Wood's avatar
Gavin Wood committed
239
parameter_types! {
240
	pub const UncleGenerations: u32 = 0;
Gavin Wood's avatar
Gavin Wood committed
241
242
243
244
}

// TODO: substrate#2986 implement this properly
impl authorship::Trait for Runtime {
245
	type FindAuthor = session::FindAccountFromAuthorIndex<Self, Babe>;
Gavin Wood's avatar
Gavin Wood committed
246
247
	type UncleGenerations = UncleGenerations;
	type FilterUncle = ();
Gavin Wood's avatar
Gavin Wood committed
248
	type EventHandler = (Staking, ImOnline);
Gavin Wood's avatar
Gavin Wood committed
249
250
}

251
252
253
254
255
256
parameter_types! {
	pub const Period: BlockNumber = 10 * MINUTES;
	pub const Offset: BlockNumber = 0;
}

impl_opaque_keys! {
257
	pub struct SessionKeys {
Gavin Wood's avatar
Gavin Wood committed
258
259
260
261
		pub grandpa: Grandpa,
		pub babe: Babe,
		pub im_online: ImOnline,
		pub parachain_validator: Parachains,
Gavin Wood's avatar
Gavin Wood committed
262
		pub authority_discovery: AuthorityDiscovery,
263
	}
264
265
}

thiolliere's avatar
thiolliere committed
266
267
268
269
parameter_types! {
	pub const DisabledValidatorsThreshold: Perbill = Perbill::from_percent(17);
}

270
impl session::Trait for Runtime {
271
	type OnSessionEnding = Staking;
Gavin Wood's avatar
Gavin Wood committed
272
	type SessionHandler = <SessionKeys as OpaqueKeys>::KeyTypeIdProviders;
273
	type ShouldEndSession = Babe;
Gav's avatar
Gav committed
274
	type Event = Event;
275
	type Keys = SessionKeys;
276
277
	type ValidatorId = AccountId;
	type ValidatorIdOf = staking::StashOf<Self>;
278
	type SelectInitialValidators = Staking;
thiolliere's avatar
thiolliere committed
279
	type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
280
281
282
283
}

impl session::historical::Trait for Runtime {
	type FullIdentification = staking::Exposure<AccountId, Balance>;
284
	type FullIdentificationOf = staking::ExposureOf<Runtime>;
285
286
}

287
pallet_staking_reward_curve::build! {
thiolliere's avatar
thiolliere committed
288
289
290
291
292
293
294
295
296
297
	const REWARD_CURVE: PiecewiseLinear<'static> = curve!(
		min_inflation: 0_025_000,
		max_inflation: 0_100_000,
		ideal_stake: 0_500_000,
		falloff: 0_050_000,
		max_piece_count: 40,
		test_precision: 0_005_000,
	);
}

298
parameter_types! {
Gavin Wood's avatar
Gavin Wood committed
299
	// Six sessions in an era (24 hours).
Gavin Wood's avatar
Gavin Wood committed
300
//	pub const SessionsPerEra: SessionIndex = 6;
301
	pub const SessionsPerEra: SessionIndex = 6;
Gavin Wood's avatar
Gavin Wood committed
302
	// 28 eras for unbonding (28 days).
Gavin Wood's avatar
Gavin Wood committed
303
304
305
306
	// KUSAMA: This value is 1/4 of what we expect for the mainnet, however session length is also
	// a quarter, so the figure remains the same.
	pub const BondingDuration: staking::EraIndex = 28;
	pub const SlashDeferDuration: staking::EraIndex = 28;
thiolliere's avatar
thiolliere committed
307
	pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
308
}
309

310
impl staking::Trait for Runtime {
311
	type RewardRemainder = Treasury;
312
	type CurrencyToVote = CurrencyToVoteHandler;
Gav's avatar
Gav committed
313
	type Event = Event;
314
	type Currency = Balances;
315
	type Slash = Treasury;
316
	type Reward = ();
317
318
	type SessionsPerEra = SessionsPerEra;
	type BondingDuration = BondingDuration;
Gavin Wood's avatar
Gavin Wood committed
319
320
	type SlashDeferDuration = SlashDeferDuration;
	// A super-majority of the council can cancel the slash.
Gavin Wood's avatar
Gavin Wood committed
321
	type SlashCancelOrigin = collective::EnsureProportionAtLeast<_3, _4, AccountId, CouncilCollective>;
322
	type SessionInterface = Self;
323
	type Time = Timestamp;
thiolliere's avatar
thiolliere committed
324
	type RewardCurve = RewardCurve;
325
326
}

327
parameter_types! {
328
329
330
	// KUSAMA: These values are 1/4 of what we expect for the mainnet.
	pub const LaunchPeriod: BlockNumber = 7 * DAYS;
	pub const VotingPeriod: BlockNumber = 7 * DAYS;
Gavin Wood's avatar
Gavin Wood committed
331
	pub const EmergencyVotingPeriod: BlockNumber = 3 * HOURS;
332
	pub const MinimumDeposit: Balance = 100 * DOLLARS;
333
334
	pub const EnactmentPeriod: BlockNumber = 8 * DAYS;
	pub const CooloffPeriod: BlockNumber = 7 * DAYS;
Gavin Wood's avatar
Gavin Wood committed
335
336
	// One cent: $10,000 / MB
	pub const PreimageByteDeposit: Balance = 1 * CENTS;
337
338
}

339
340
341
impl democracy::Trait for Runtime {
	type Proposal = Call;
	type Event = Event;
342
	type Currency = Balances;
343
344
345
	type EnactmentPeriod = EnactmentPeriod;
	type LaunchPeriod = LaunchPeriod;
	type VotingPeriod = VotingPeriod;
346
	type EmergencyVotingPeriod = EmergencyVotingPeriod;
347
	type MinimumDeposit = MinimumDeposit;
348
349
350
	/// A straight majority of the council can decide what their next motion is.
	type ExternalOrigin = collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>;
	/// A super-majority can have the next scheduled referendum be a straight majority-carries vote.
351
352
	// KUSAMA: A majority can have the next scheduled legislation be majority-carries.
	type ExternalMajorityOrigin = collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>;
353
354
355
356
357
358
359
360
361
362
363
	/// A unanimous council can have the next scheduled referendum be a straight default-carries
	/// (NTB) vote.
	type ExternalDefaultOrigin = collective::EnsureProportionAtLeast<_1, _1, AccountId, CouncilCollective>;
	/// Two thirds of the technical committee can have an ExternalMajority/ExternalDefault vote
	/// be tabled immediately and with a shorter voting/enactment period.
	type FastTrackOrigin = collective::EnsureProportionAtLeast<_2, _3, AccountId, TechnicalCollective>;
	// To cancel a proposal which has been passed, 2/3 of the council must agree to it.
	type CancellationOrigin = collective::EnsureProportionAtLeast<_2, _3, AccountId, CouncilCollective>;
	// Any single technical committee member may veto a coming council proposal, however they can
	// only do it once and it lasts only for the cooloff period.
	type VetoOrigin = collective::EnsureMember<AccountId, TechnicalCollective>;
364
	type CooloffPeriod = CooloffPeriod;
Gavin Wood's avatar
Gavin Wood committed
365
366
	type PreimageByteDeposit = PreimageByteDeposit;
	type Slash = Treasury;
367
}
368

369
370
type CouncilCollective = collective::Instance1;
impl collective::Trait<CouncilCollective> for Runtime {
371
372
373
374
375
	type Origin = Origin;
	type Proposal = Call;
	type Event = Event;
}

Gavin Wood's avatar
Gavin Wood committed
376
parameter_types! {
377
378
	pub const CandidacyBond: Balance = 100 * DOLLARS;
	pub const VotingBond: Balance = 5 * DOLLARS;
Gavin Wood's avatar
Gavin Wood committed
379
380
	/// Daily council elections.
	pub const TermDuration: BlockNumber = 24 * HOURS;
Kian Paimani's avatar
Kian Paimani committed
381
382
	pub const DesiredMembers: u32 = 13;
	pub const DesiredRunnersUp: u32 = 7;
383
384
385
}

impl elections_phragmen::Trait for Runtime {
386
	type Event = Event;
387
388
	type Currency = Balances;
	type ChangeMembers = Council;
389
	type CurrencyToVote = CurrencyToVoteHandler;
Gavin Wood's avatar
Gavin Wood committed
390
391
	type CandidacyBond = CandidacyBond;
	type VotingBond = VotingBond;
Kian Paimani's avatar
Kian Paimani committed
392
393
394
	type TermDuration = TermDuration;
	type DesiredMembers = DesiredMembers;
	type DesiredRunnersUp = DesiredRunnersUp;
395
396
397
	type LoserCandidate = Treasury;
	type BadReport = Treasury;
	type KickedMember = Treasury;
398
399
}

400
401
type TechnicalCollective = collective::Instance2;
impl collective::Trait<TechnicalCollective> for Runtime {
402
403
404
405
406
	type Origin = Origin;
	type Proposal = Call;
	type Event = Event;
}

407
408
409
410
411
412
413
414
415
416
impl membership::Trait<membership::Instance1> for Runtime {
	type Event = Event;
	type AddOrigin = collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>;
	type RemoveOrigin = collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>;
	type SwapOrigin = collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>;
	type ResetOrigin = collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>;
	type MembershipInitialized = TechnicalCommittee;
	type MembershipChanged = TechnicalCommittee;
}

Gavin Wood's avatar
Gavin Wood committed
417
418
parameter_types! {
	pub const ProposalBond: Permill = Permill::from_percent(5);
Gavin Wood's avatar
Gavin Wood committed
419
	pub const ProposalBondMinimum: Balance = 100 * DOLLARS;
420
421
	// KUSAMA: This value is 1/4 of that expected for mainnet
	pub const SpendPeriod: BlockNumber = 6 * DAYS;
Gavin Wood's avatar
Gavin Wood committed
422
423
	// KUSAMA: No burn - let's try to put it to use!
	pub const Burn: Permill = Permill::from_percent(0);
Gavin Wood's avatar
Gavin Wood committed
424
425
}

426
impl treasury::Trait for Runtime {
Gavin Wood's avatar
Gavin Wood committed
427
	type Currency = Balances;
428
	type ApproveOrigin = collective::EnsureProportionAtLeast<_3, _5, AccountId, CouncilCollective>;
429
	type RejectOrigin = collective::EnsureProportionMoreThan<_1, _2, AccountId, CouncilCollective>;
430
	type Event = Event;
431
	type ProposalRejection = Treasury;
Gavin Wood's avatar
Gavin Wood committed
432
433
434
435
	type ProposalBond = ProposalBond;
	type ProposalBondMinimum = ProposalBondMinimum;
	type SpendPeriod = SpendPeriod;
	type Burn = Burn;
436
}
437

438
439
440
441
442
443
impl offences::Trait for Runtime {
	type Event = Event;
	type IdentificationTuple = session::historical::IdentificationTuple<Self>;
	type OnOffenceHandler = Staking;
}

Gavin Wood's avatar
Gavin Wood committed
444
445
impl authority_discovery::Trait for Runtime {}

Gavin Wood's avatar
Gavin Wood committed
446
447
type SubmitTransaction = TransactionSubmitter<ImOnlineId, Runtime, UncheckedExtrinsic>;

448
449
450
451
parameter_types! {
	pub const SessionDuration: BlockNumber = EPOCH_DURATION_IN_BLOCKS as _;
}

452
impl im_online::Trait for Runtime {
thiolliere's avatar
thiolliere committed
453
	type AuthorityId = ImOnlineId;
454
	type Event = Event;
Gavin Wood's avatar
Gavin Wood committed
455
456
	type Call = Call;
	type SubmitTransaction = SubmitTransaction;
457
	type ReportUnresponsiveness = Offences;
458
	type SessionDuration = SessionDuration;
459
460
}

461
462
463
464
impl grandpa::Trait for Runtime {
	type Event = Event;
}

Gavin Wood's avatar
Gavin Wood committed
465
466
467
468
469
470
parameter_types! {
	pub const WindowSize: BlockNumber = finality_tracker::DEFAULT_WINDOW_SIZE.into();
	pub const ReportLatency: BlockNumber = finality_tracker::DEFAULT_REPORT_LATENCY.into();
}

impl finality_tracker::Trait for Runtime {
471
	type OnFinalizationStalled = ();
Gavin Wood's avatar
Gavin Wood committed
472
473
474
475
	type WindowSize = WindowSize;
	type ReportLatency = ReportLatency;
}

476
477
478
479
parameter_types! {
	pub const AttestationPeriod: BlockNumber = 50;
}

480
481
482
impl attestations::Trait for Runtime {
	type AttestationPeriod = AttestationPeriod;
	type ValidatorIdentities = parachains::ValidatorIdentities<Runtime>;
483
	type RewardAttestation = Staking;
484
485
}

486
487
488
impl parachains::Trait for Runtime {
	type Origin = Origin;
	type Call = Call;
489
	type ParachainCurrency = Balances;
490
	type Randomness = RandomnessCollectiveFlip;
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
	type ActiveParachains = Registrar;
	type Registrar = Registrar;
}

parameter_types! {
	pub const ParathreadDeposit: Balance = 500 * DOLLARS;
	pub const QueueSize: usize = 2;
	pub const MaxRetries: u32 = 3;
}

impl registrar::Trait for Runtime {
	type Event = Event;
	type Origin = Origin;
	type Currency = Balances;
	type ParathreadDeposit = ParathreadDeposit;
	type SwapAux = Slots;
	type QueueSize = QueueSize;
	type MaxRetries = MaxRetries;
509
}
510

Gavin Wood's avatar
Gavin Wood committed
511
parameter_types! {
512
	pub const LeasePeriod: BlockNumber = 100_000;
Gavin Wood's avatar
Gavin Wood committed
513
514
515
516
517
	pub const EndingPeriod: BlockNumber = 1000;
}

impl slots::Trait for Runtime {
	type Event = Event;
518
519
	type Currency = Balances;
	type Parachains = Registrar;
Gavin Wood's avatar
Gavin Wood committed
520
521
	type LeasePeriod = LeasePeriod;
	type EndingPeriod = EndingPeriod;
522
	type Randomness = RandomnessCollectiveFlip;
Gavin Wood's avatar
Gavin Wood committed
523
524
}

Gavin Wood's avatar
Gavin Wood committed
525
parameter_types! {
526
	// KUSAMA: for mainnet this should be removed.
527
	pub const Prefix: &'static [u8] = b"Pay KSMs to the Kusama account:";
528
529
	// KUSAMA: for mainnet this should be uncommented.
	//pub const Prefix: &'static [u8] = b"Pay DOTs to the Polkadot account:";
530
531
532
533
534
535
536
537
}

impl claims::Trait for Runtime {
	type Event = Event;
	type Currency = Balances;
	type Prefix = Prefix;
}

538
parameter_types! {
539
540
	// KUSAMA: for mainnet this can be reduced.
	pub const ReservationFee: Balance = 1000 * DOLLARS;
541
	pub const MinLength: usize = 3;
Gavin Wood's avatar
Gavin Wood committed
542
	pub const MaxLength: usize = 32;
543
544
545
546
547
548
549
}

impl nicks::Trait for Runtime {
	type Event = Event;
	type Currency = Balances;
	type ReservationFee = ReservationFee;
	type Slashed = Treasury;
550
	type ForceOrigin = collective::EnsureMembers<_2, AccountId, CouncilCollective>;
551
552
553
554
	type MinLength = MinLength;
	type MaxLength = MaxLength;
}

Gavin Wood's avatar
Gavin Wood committed
555
construct_runtime! {
556
	pub enum Runtime where
557
		Block = Block,
558
		NodeBlock = primitives::Block,
559
		UncheckedExtrinsic = UncheckedExtrinsic
560
	{
561
		// Basic stuff; balances is uncallable initially.
Gavin Wood's avatar
Gavin Wood committed
562
		System: system::{Module, Call, Storage, Config, Event},
Ashley's avatar
Ashley committed
563
		RandomnessCollectiveFlip: randomness_collective_flip::{Module, Storage},
564
565

		// Must be before session.
566
		Babe: babe::{Module, Call, Storage, Config, Inherent(Timestamp)},
567
568

		Timestamp: timestamp::{Module, Call, Storage, Inherent},
Gav Wood's avatar
Gav Wood committed
569
		Indices: indices,
570
		Balances: balances::{Module, Call, Storage, Config<T>, Event<T>},
571
		TransactionPayment: transaction_payment::{Module, Storage},
572
573
574

		// Consensus support.
		Authorship: authorship::{Module, Call, Storage},
Gavin Wood's avatar
Gavin Wood committed
575
		Staking: staking::{default, OfflineWorker},
576
		Offences: offences::{Module, Call, Storage, Event},
577
		Session: session::{Module, Call, Storage, Event, Config<T>},
578
579
		FinalityTracker: finality_tracker::{Module, Call, Inherent},
		Grandpa: grandpa::{Module, Call, Storage, Config, Event},
thiolliere's avatar
thiolliere committed
580
		ImOnline: im_online::{Module, Call, Storage, Event<T>, ValidateUnsigned, Config<T>},
Gavin Wood's avatar
Gavin Wood committed
581
		AuthorityDiscovery: authority_discovery::{Module, Call, Config},
582
583

		// Governance stuff; uncallable initially.
Gavin Wood's avatar
Gavin Wood committed
584
		Democracy: democracy::{Module, Call, Storage, Config, Event<T>},
585
586
		Council: collective::<Instance1>::{Module, Call, Storage, Origin<T>, Event<T>, Config<T>},
		TechnicalCommittee: collective::<Instance2>::{Module, Call, Storage, Origin<T>, Event<T>, Config<T>},
Kian Paimani's avatar
Kian Paimani committed
587
		ElectionsPhragmen: elections_phragmen::{Module, Call, Storage, Event<T>},
588
		TechnicalMembership: membership::<Instance1>::{Module, Call, Storage, Event<T>, Config<T>},
Gavin Wood's avatar
Gavin Wood committed
589
		Treasury: treasury::{Module, Call, Storage, Event<T>},
590
591
592
593
594
595

		// Claims. Usable initially.
		Claims: claims::{Module, Call, Storage, Event<T>, Config<T>, ValidateUnsigned},

		// Parachains stuff; slots are disabled (no auctions initially). The rest are safe as they
		// have no public dispatchables.
596
		Parachains: parachains::{Module, Call, Storage, Config, Inherent, Origin},
597
		Attestations: attestations::{Module, Call, Storage},
Gavin Wood's avatar
Gavin Wood committed
598
		Slots: slots::{Module, Call, Storage, Event<T>},
599
		Registrar: registrar::{Module, Call, Storage, Event, Config<T>},
600

601
602
		// Simple nicknames module.
		Nicks: nicks::{Module, Call, Storage, Event<T>},
Gav's avatar
Gav committed
603
	}
Gavin Wood's avatar
Gavin Wood committed
604
}
605
606

/// The address format for describing accounts.
Gav Wood's avatar
Gav Wood committed
607
pub type Address = <Indices as StaticLookup>::Source;
608
/// Block header type as expected by this runtime.
609
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
610
611
612
613
614
615
/// Block type as expected by this runtime.
pub type Block = generic::Block<Header, UncheckedExtrinsic>;
/// A Block signed with a Justification
pub type SignedBlock = generic::SignedBlock<Block>;
/// BlockId type as expected by this runtime.
pub type BlockId = generic::BlockId<Block>;
616
617
/// The SignedExtension to the basic transaction logic.
pub type SignedExtra = (
618
619
	// RELEASE: remove this for release build.
	OnlyStakingAndClaims,
620
	system::CheckVersion<Runtime>,
621
	system::CheckGenesis<Runtime>,
622
623
624
	system::CheckEra<Runtime>,
	system::CheckNonce<Runtime>,
	system::CheckWeight<Runtime>,
625
	transaction_payment::ChargeTransactionPayment::<Runtime>,
626
	registrar::LimitParathreadCommits<Runtime>
627
);
628
/// Unchecked extrinsic type as expected by this runtime.
629
pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, Call, Signature, SignedExtra>;
630
/// Extrinsic type that has already been checked.
Gav Wood's avatar
Gav Wood committed
631
pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, Nonce, Call>;
632
/// Executive: handles dispatch to the various modules.
633
pub type Executive = executive::Executive<Runtime, Block, system::ChainContext<Runtime>, Runtime, AllModules>;
634

635
636
sp_api::impl_runtime_apis! {
	impl sp_api::Core<Block> for Runtime {
637
638
639
640
641
642
643
		fn version() -> RuntimeVersion {
			VERSION
		}

		fn execute_block(block: Block) {
			Executive::execute_block(block)
		}
644

645
646
		fn initialize_block(header: &<Block as BlockT>::Header) {
			Executive::initialize_block(header)
647
648
		}
	}
Gav's avatar
Gav committed
649

650
	impl sp_api::Metadata<Block> for Runtime {
651
652
653
		fn metadata() -> OpaqueMetadata {
			Runtime::metadata().into()
		}
Gav's avatar
Gav committed
654
655
	}

656
	impl block_builder_api::BlockBuilder<Block> for Runtime {
657
		fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
658
659
660
			Executive::apply_extrinsic(extrinsic)
		}

661
662
		fn finalize_block() -> <Block as BlockT>::Header {
			Executive::finalize_block()
663
		}
664

Gavin Wood's avatar
Gavin Wood committed
665
		fn inherent_extrinsics(data: inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
666
			data.create_extrinsics()
667
		}
668

Gavin Wood's avatar
Gavin Wood committed
669
670
671
672
		fn check_inherents(
			block: Block,
			data: inherents::InherentData,
		) -> inherents::CheckInherentsResult {
673
			data.check_extrinsics(&block)
674
		}
675

676
		fn random_seed() -> <Block as BlockT>::Hash {
Ashley's avatar
Ashley committed
677
			RandomnessCollectiveFlip::random_seed()
678
		}
679
680
	}

Gavin Wood's avatar
Gavin Wood committed
681
	impl tx_pool_api::TaggedTransactionQueue<Block> for Runtime {
682
683
684
		fn validate_transaction(tx: <Block as BlockT>::Extrinsic) -> TransactionValidity {
			Executive::validate_transaction(tx)
		}
Gav's avatar
Gav committed
685
	}
686

687
	impl offchain_primitives::OffchainWorkerApi<Block> for Runtime {
688
		fn offchain_worker(number: sp_runtime::traits::NumberFor<Block>) {
689
690
691
692
			Executive::offchain_worker(number)
		}
	}

693
	impl parachain::ParachainHost<Block> for Runtime {
Gav Wood's avatar
Gav Wood committed
694
		fn validators() -> Vec<parachain::ValidatorId> {
695
			Parachains::authorities()
696
697
		}
		fn duty_roster() -> parachain::DutyRoster {
698
			Parachains::calculate_duty_roster().0
699
		}
700
701
		fn active_parachains() -> Vec<(parachain::Id, Option<(parachain::CollatorId, parachain::Retriable)>)> {
			Registrar::active_paras()
702
		}
703
704
		fn parachain_status(id: parachain::Id) -> Option<parachain::Status> {
			Parachains::parachain_status(&id)
705
706
707
708
		}
		fn parachain_code(id: parachain::Id) -> Option<Vec<u8>> {
			Parachains::parachain_code(&id)
		}
709
710
711
712
		fn ingress(to: parachain::Id, since: Option<BlockNumber>)
			-> Option<parachain::StructuredUnroutedIngress>
		{
			Parachains::ingress(to, since).map(parachain::StructuredUnroutedIngress)
713
		}
714
715
716
717
718
719
720
721
722
723
724
725
726
		fn get_heads(extrinsics: Vec<<Block as BlockT>::Extrinsic>) -> Option<Vec<CandidateReceipt>> {
			extrinsics
				.into_iter()
				.find_map(|ex| match UncheckedExtrinsic::decode(&mut ex.encode().as_slice()) {
					Ok(ex) => match ex.function {
						Call::Parachains(ParachainsCall::set_heads(heads)) => {
							Some(heads.into_iter().map(|c| c.candidate).collect())
						}
						_ => None,
					}
					Err(_) => None,
				})
		}
727
	}
728
729

	impl fg_primitives::GrandpaApi<Block> for Runtime {
730
		fn grandpa_authorities() -> Vec<(GrandpaId, u64)> {
731
732
733
734
			Grandpa::grandpa_authorities()
		}
	}

735
	impl babe_primitives::BabeApi<Block> for Runtime {
736
		fn configuration() -> babe_primitives::BabeConfiguration {
737
738
739
740
741
742
743
			// The choice of `c` parameter (where `1 - c` represents the
			// probability of a slot being empty), is done in accordance to the
			// slot duration and expected target block time, for safely
			// resisting network delays of maximum two seconds.
			// <https://research.web3.foundation/en/latest/polkadot/BABE/Babe/#6-practical-results>
			babe_primitives::BabeConfiguration {
				slot_duration: Babe::slot_duration(),
744
				epoch_length: EpochDuration::get(),
745
				c: PRIMARY_PROBABILITY,
746
				genesis_authorities: Babe::authorities(),
747
				randomness: Babe::randomness(),
748
				secondary_slots: true,
749
			}
750
751
752
		}
	}

Gavin Wood's avatar
Gavin Wood committed
753
754
755
756
757
758
	impl authority_discovery_primitives::AuthorityDiscoveryApi<Block> for Runtime {
		fn authorities() -> Vec<AuthorityDiscoveryId> {
			AuthorityDiscovery::authorities()
		}
	}

Gavin Wood's avatar
Gavin Wood committed
759
	impl sp_session::SessionKeys<Block> for Runtime {
760
761
762
763
		fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {
			SessionKeys::generate(seed)
		}
	}
764
765
766
767
768
769

	impl system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Nonce> for Runtime {
		fn account_nonce(account: AccountId) -> Nonce {
			System::account_nonce(account)
		}
	}
Kian Paimani's avatar
Kian Paimani committed
770

771
	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<
Kian Paimani's avatar
Kian Paimani committed
772
773
774
775
776
777
778
779
		Block,
		Balance,
		UncheckedExtrinsic,
	> for Runtime {
		fn query_info(uxt: UncheckedExtrinsic, len: u32) -> RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_info(uxt, len)
		}
	}
Gav's avatar
Gav committed
780
}