Parachains-runtime (#1505)

* Initial commit

* v0 to v1 primitives and remove attestations

* Review fixes

* implement candidate_events

* remove dead code
This commit is contained in:
Fedor Sakharov
2020-07-31 23:42:10 +03:00
committed by GitHub
parent 596ce826e8
commit 047e2fdb21
10 changed files with 1036 additions and 13 deletions
+47
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@@ -5993,6 +5993,53 @@ dependencies = [
"librocksdb-sys",
]
[[package]]
name = "rococo-runtime"
version = "0.8.19"
dependencies = [
"frame-executive",
"frame-support",
"frame-system",
"frame-system-rpc-runtime-api",
"pallet-authority-discovery",
"pallet-authorship",
"pallet-babe",
"pallet-balances",
"pallet-grandpa",
"pallet-im-online",
"pallet-indices",
"pallet-offences",
"pallet-session",
"pallet-staking",
"pallet-staking-reward-curve",
"pallet-timestamp",
"pallet-transaction-payment",
"pallet-transaction-payment-rpc-runtime-api",
"parity-scale-codec",
"polkadot-parachain",
"polkadot-primitives",
"polkadot-runtime-common",
"polkadot-runtime-parachains",
"serde",
"serde_derive",
"smallvec 1.4.1",
"sp-api",
"sp-authority-discovery",
"sp-block-builder",
"sp-consensus-babe",
"sp-core",
"sp-inherents",
"sp-io",
"sp-offchain",
"sp-runtime",
"sp-session",
"sp-staking",
"sp-std",
"sp-transaction-pool",
"sp-version",
"substrate-wasm-builder-runner 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rpassword"
version = "4.0.5"
+1
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@@ -35,6 +35,7 @@ members = [
"runtime/parachains",
"runtime/polkadot",
"runtime/kusama",
"runtime/rococo",
"runtime/westend",
"runtime/test-runtime",
"runtime/test-runtime/client",
+1 -1
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@@ -815,7 +815,7 @@ impl<T: Encode> EncodeAs<T> for T {
///
/// Note that the internal fields are not public; they are all accessable by immutable getters.
/// This reduces the chance that they are accidentally mutated, invalidating the signature.
#[derive(Debug, Clone, PartialEq, Eq, Encode, Decode)]
#[derive(Clone, PartialEq, Eq, Encode, Decode, RuntimeDebug)]
pub struct Signed<Payload, RealPayload = Payload> {
/// The payload is part of the signed data. The rest is the signing context,
/// which is known both at signing and at validation.
+1 -2
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@@ -304,8 +304,7 @@ impl PoV {
}
/// A bitfield concerning availability of backed candidates.
#[derive(PartialEq, Eq, Clone, Encode, Decode)]
#[cfg_attr(feature = "std", derive(Debug))]
#[derive(PartialEq, Eq, Clone, Encode, Decode, RuntimeDebug)]
pub struct AvailabilityBitfield(pub BitVec<bitvec::order::Lsb0, u8>);
impl From<BitVec<bitvec::order::Lsb0, u8>> for AvailabilityBitfield {
+10 -7
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@@ -20,13 +20,16 @@
//! particular the `Initializer` module, as it is responsible for initializing the state
//! of the other modules.
mod configuration;
mod inclusion;
mod inclusion_inherent;
mod initializer;
mod paras;
mod scheduler;
mod validity;
#![cfg_attr(not(feature = "std"), no_std)]
pub mod configuration;
pub mod inclusion;
pub mod inclusion_inherent;
pub mod initializer;
pub mod paras;
pub mod scheduler;
pub mod validity;
pub mod runtime_api_impl;
@@ -17,6 +17,7 @@
//! Runtimes implementing the v1 runtime API are recommended to forward directly to these
//! functions.
use sp_std::prelude::*;
use primitives::v1::{
ValidatorId, ValidatorIndex, GroupRotationInfo, CoreState, GlobalValidationData,
Id as ParaId, OccupiedCoreAssumption, LocalValidationData, SessionIndex, ValidationCode,
@@ -239,9 +240,11 @@ pub fn candidate_pending_availability<T: initializer::Trait>(para_id: ParaId)
/// Implementation for the `candidate_events` function of the runtime API.
// NOTE: this runs without block initialization, as it accesses events.
// this means it can run in a different session than other runtime APIs at the same block.
pub fn candidate_events<T: initializer::Trait>(
extract_event: impl Fn(<T as system::Trait>::Event) -> Option<inclusion::Event<T>>,
) -> Vec<CandidateEvent<T::Hash>> {
pub fn candidate_events<T, F>(extract_event: F) -> Vec<CandidateEvent<T::Hash>>
where
T: initializer::Trait,
F: Fn(<T as system::Trait>::Event) -> Option<inclusion::Event<T>>,
{
use inclusion::Event as RawEvent;
<system::Module<T>>::events().into_iter()
+106
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@@ -0,0 +1,106 @@
[package]
name = "rococo-runtime"
version = "0.8.19"
authors = ["Parity Technologies <admin@parity.io>"]
edition = "2018"
build = "build.rs"
[dependencies]
codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
serde = { version = "1.0.102", default-features = false }
serde_derive = { version = "1.0.102", optional = true }
smallvec = "1.4.1"
frame-support = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-api = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-io = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-std = { package = "sp-std", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-session = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-staking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
version = { package = "sp-version", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
tx-pool-api = { package = "sp-transaction-pool", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
block-builder-api = { package = "sp-block-builder", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
inherents = { package = "sp-inherents", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
offchain-primitives = { package = "sp-offchain", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
authority-discovery = { package = "pallet-authority-discovery", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
authorship = { package = "pallet-authorship", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
babe = { package = "pallet-babe", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
babe-primitives = { package = "sp-consensus-babe", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
balances = { package = "pallet-balances", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
session = { package = "pallet-session", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
im-online = { package = "pallet-im-online", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
indices = { package = "pallet-indices", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
transaction-payment = { package = "pallet-transaction-payment", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
transaction-payment-rpc-runtime-api = { package = "pallet-transaction-payment-rpc-runtime-api", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
staking = { package = "pallet-staking", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
pallet-staking-reward-curve = { package = "pallet-staking-reward-curve", git = "https://github.com/paritytech/substrate", branch = "master" }
executive = { package = "frame-executive", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
grandpa = { package = "pallet-grandpa", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
timestamp = { package = "pallet-timestamp", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
offences = { package = "pallet-offences", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
authority-discovery-primitives = { package = "sp-authority-discovery", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
system = { package = "frame-system", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
system_rpc_runtime_api = { package = "frame-system-rpc-runtime-api", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
runtime-common = { package = "polkadot-runtime-common", path = "../common", default-features = false }
primitives = { package = "polkadot-primitives", path = "../../primitives", default-features = false }
polkadot-parachain = { path = "../../parachain", default-features = false }
runtime-parachains = { package = "polkadot-runtime-parachains", path = "../parachains", default-features = false }
[build-dependencies]
wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
[features]
default = ["std"]
no_std = []
std = [
"authority-discovery-primitives/std",
"authority-discovery/std",
"authorship/std",
"babe/std",
"babe-primitives/std",
"balances/std",
"codec/std",
"executive/std",
"grandpa/std",
"indices/std",
"im-online/std",
"inherents/std",
"frame-support/std",
"polkadot-parachain/std",
"primitives/std",
"runtime-common/std",
"runtime-parachains/std",
"session/std",
"sp-api/std",
"sp-core/std",
"sp-io/std",
"sp-runtime/std",
"sp-session/std",
"sp-staking/std",
"sp-std/std",
"staking/std",
"system/std",
"system_rpc_runtime_api/std",
"offchain-primitives/std",
"offences/std",
"timestamp/std",
"transaction-payment/std",
"transaction-payment-rpc-runtime-api/std",
"block-builder-api/std",
"tx-pool-api/std",
"version/std",
"serde_derive",
"serde/std",
]
# When enabled, the runtime api will not be build.
#
# This is required by Cumulus to access certain types of the
# runtime without clashing with the runtime api exported functions
# in WASM.
disable-runtime-api = []
+26
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@@ -0,0 +1,26 @@
// Copyright 2020 Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate 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.
// Substrate 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 Substrate. If not, see <http://www.gnu.org/licenses/>.
use wasm_builder_runner::WasmBuilder;
fn main() {
WasmBuilder::new()
.with_current_project()
.with_wasm_builder_from_crates("2.0.0")
.import_memory()
.export_heap_base()
.build()
}
+113
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@@ -0,0 +1,113 @@
// Copyright 2020 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/>.
/// Money matters.
pub mod currency {
use primitives::v0::Balance;
pub const DOTS: Balance = 1_000_000_000_000;
pub const DOLLARS: Balance = DOTS;
pub const CENTS: Balance = DOLLARS / 100;
pub const MILLICENTS: Balance = CENTS / 1_000;
pub const fn deposit(items: u32, bytes: u32) -> Balance {
items as Balance * 1 * DOLLARS + (bytes as Balance) * 5 * MILLICENTS
}
}
/// Time and blocks.
pub mod time {
use primitives::v0::{Moment, BlockNumber};
pub const MILLISECS_PER_BLOCK: Moment = 6000;
pub const SLOT_DURATION: Moment = MILLISECS_PER_BLOCK;
pub const EPOCH_DURATION_IN_BLOCKS: BlockNumber = 1 * HOURS;
// These time units are defined in number of blocks.
pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
pub const HOURS: BlockNumber = MINUTES * 60;
pub const DAYS: BlockNumber = HOURS * 24;
// 1 in 4 blocks (on average, not counting collisions) will be primary babe blocks.
pub const PRIMARY_PROBABILITY: (u64, u64) = (1, 4);
}
/// Fee-related.
pub mod fee {
pub use sp_runtime::Perbill;
use primitives::v0::Balance;
use runtime_common::ExtrinsicBaseWeight;
use frame_support::weights::{
WeightToFeePolynomial, WeightToFeeCoefficient, WeightToFeeCoefficients,
};
use smallvec::smallvec;
/// The block saturation level. Fees will be updates based on this value.
pub const TARGET_BLOCK_FULLNESS: Perbill = Perbill::from_percent(25);
/// Handles converting a weight scalar to a fee value, based on the scale and granularity of the
/// node's balance type.
///
/// This should typically create a mapping between the following ranges:
/// - [0, system::MaximumBlockWeight]
/// - [Balance::min, Balance::max]
///
/// Yet, it can be used for any other sort of change to weight-fee. Some examples being:
/// - Setting it to `0` will essentially disable the weight fee.
/// - Setting it to `1` will cause the literal `#[weight = x]` values to be charged.
pub struct WeightToFee;
impl WeightToFeePolynomial for WeightToFee {
type Balance = Balance;
fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
// in Westend, extrinsic base weight (smallest non-zero weight) is mapped to 1/10 CENT:
let p = super::currency::CENTS;
let q = 10 * Balance::from(ExtrinsicBaseWeight::get());
smallvec![WeightToFeeCoefficient {
degree: 1,
negative: false,
coeff_frac: Perbill::from_rational_approximation(p % q, q),
coeff_integer: p / q,
}]
}
}
}
#[cfg(test)]
mod tests {
use frame_support::weights::WeightToFeePolynomial;
use runtime_common::{MaximumBlockWeight, ExtrinsicBaseWeight};
use super::fee::WeightToFee;
use super::currency::{CENTS, DOLLARS, MILLICENTS};
#[test]
// This function tests that the fee for `MaximumBlockWeight` of weight is correct
fn full_block_fee_is_correct() {
// A full block should cost 16 DOLLARS
println!("Base: {}", ExtrinsicBaseWeight::get());
let x = WeightToFee::calc(&MaximumBlockWeight::get());
let y = 16 * DOLLARS;
assert!(x.max(y) - x.min(y) < MILLICENTS);
}
#[test]
// This function tests that the fee for `ExtrinsicBaseWeight` of weight is correct
fn extrinsic_base_fee_is_correct() {
// `ExtrinsicBaseWeight` should cost 1/10 of a CENT
println!("Base: {}", ExtrinsicBaseWeight::get());
let x = WeightToFee::calc(&ExtrinsicBaseWeight::get());
let y = CENTS / 10;
assert!(x.max(y) - x.min(y) < MILLICENTS);
}
}
+725
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@@ -0,0 +1,725 @@
// Copyright 2020 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/>.
//! The Rococo runtime.
#![cfg_attr(not(feature = "std"), no_std)]
// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
#![recursion_limit="256"]
use sp_std::prelude::*;
use codec::Encode;
use primitives::v1::{
AccountId, AccountIndex, Balance, BlockNumber, Hash, Nonce, Signature, Moment,
GroupRotationInfo, CoreState, Id, GlobalValidationData, ValidationCode, CandidateEvent,
ValidatorId, ValidatorIndex, CommittedCandidateReceipt, OccupiedCoreAssumption,
LocalValidationData,
};
use runtime_common::{
SlowAdjustingFeeUpdate,
impls::{CurrencyToVoteHandler, ToAuthor},
BlockHashCount, MaximumBlockWeight, AvailableBlockRatio, MaximumBlockLength,
BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, MaximumExtrinsicWeight,
};
use runtime_parachains::{
self,
runtime_api_impl::v1 as runtime_api_impl,
};
use frame_support::{
parameter_types, construct_runtime, debug,
traits::{KeyOwnerProofSystem, Filter},
weights::Weight,
};
use sp_runtime::{
create_runtime_str, generic, impl_opaque_keys,
ApplyExtrinsicResult, KeyTypeId, Perbill, curve::PiecewiseLinear,
transaction_validity::{TransactionValidity, TransactionSource, TransactionPriority},
traits::{
BlakeTwo256, Block as BlockT, OpaqueKeys, IdentityLookup,
Extrinsic as ExtrinsicT, SaturatedConversion, Verify,
},
};
use im_online::sr25519::AuthorityId as ImOnlineId;
use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use version::RuntimeVersion;
use transaction_payment_rpc_runtime_api::RuntimeDispatchInfo;
use grandpa::{AuthorityId as GrandpaId, fg_primitives};
use sp_core::OpaqueMetadata;
use sp_staking::SessionIndex;
use session::historical as session_historical;
use system::EnsureRoot;
use runtime_parachains::configuration as parachains_configuration;
use runtime_parachains::inclusion as parachains_inclusion;
use runtime_parachains::inclusion_inherent as parachains_inclusion_inherent;
use runtime_parachains::initializer as parachains_initializer;
use runtime_parachains::paras as parachains_paras;
use runtime_parachains::scheduler as parachains_scheduler;
pub use balances::Call as BalancesCall;
/// Constant values used within the runtime.
pub mod constants;
use constants::{time::*, currency::*, fee::*};
// Make the WASM binary available.
#[cfg(feature = "std")]
include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
/// The address format for describing accounts.
pub type Address = AccountId;
/// Block header type as expected by this runtime.
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
/// 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>;
/// The SignedExtension to the basic transaction logic.
pub type SignedExtra = (
system::CheckSpecVersion<Runtime>,
system::CheckTxVersion<Runtime>,
system::CheckGenesis<Runtime>,
system::CheckMortality<Runtime>,
system::CheckNonce<Runtime>,
system::CheckWeight<Runtime>,
transaction_payment::ChargeTransactionPayment<Runtime>,
);
#[cfg(not(feature = "disable-runtime-api"))]
sp_api::impl_runtime_apis! {
impl sp_api::Core<Block> for Runtime {
fn version() -> RuntimeVersion {
VERSION
}
fn execute_block(block: Block) {
Executive::execute_block(block)
}
fn initialize_block(header: &<Block as BlockT>::Header) {
Executive::initialize_block(header)
}
}
impl sp_api::Metadata<Block> for Runtime {
fn metadata() -> OpaqueMetadata {
Runtime::metadata().into()
}
}
impl block_builder_api::BlockBuilder<Block> for Runtime {
fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
Executive::apply_extrinsic(extrinsic)
}
fn finalize_block() -> <Block as BlockT>::Header {
Executive::finalize_block()
}
fn inherent_extrinsics(data: inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
data.create_extrinsics()
}
fn check_inherents(
block: Block,
data: inherents::InherentData,
) -> inherents::CheckInherentsResult {
data.check_extrinsics(&block)
}
fn random_seed() -> <Block as BlockT>::Hash {
Babe::randomness().into()
}
}
impl tx_pool_api::runtime_api::TaggedTransactionQueue<Block> for Runtime {
fn validate_transaction(
source: TransactionSource,
tx: <Block as BlockT>::Extrinsic,
) -> TransactionValidity {
Executive::validate_transaction(source, tx)
}
}
impl offchain_primitives::OffchainWorkerApi<Block> for Runtime {
fn offchain_worker(header: &<Block as BlockT>::Header) {
Executive::offchain_worker(header)
}
}
impl primitives::v1::ParachainHost<Block, Hash, BlockNumber> for Runtime {
fn validators() -> Vec<ValidatorId> {
runtime_api_impl::validators::<Runtime>()
}
fn validator_groups() -> (Vec<Vec<ValidatorIndex>>, GroupRotationInfo<BlockNumber>) {
runtime_api_impl::validator_groups::<Runtime>()
}
fn availability_cores() -> Vec<CoreState<BlockNumber>> {
runtime_api_impl::availability_cores::<Runtime>()
}
fn global_validation_data() -> GlobalValidationData<BlockNumber> {
runtime_api_impl::global_validation_data::<Runtime>()
}
fn local_validation_data(para_id: Id, assumption: OccupiedCoreAssumption)
-> Option<LocalValidationData<BlockNumber>> {
runtime_api_impl::local_validation_data::<Runtime>(para_id, assumption)
}
fn session_index_for_child() -> SessionIndex {
runtime_api_impl::session_index_for_child::<Runtime>()
}
fn validation_code(para_id: Id, assumption: OccupiedCoreAssumption)
-> Option<ValidationCode> {
runtime_api_impl::validation_code::<Runtime>(para_id, assumption)
}
fn candidate_pending_availability(para_id: Id) -> Option<CommittedCandidateReceipt<Hash>> {
runtime_api_impl::candidate_pending_availability::<Runtime>(para_id)
}
fn candidate_events() -> Vec<CandidateEvent<Hash>> {
runtime_api_impl::candidate_events::<Runtime, _>(|ev| {
match ev {
Event::parachains_inclusion(ev) => {
Some(ev)
}
_ => None,
}
})
}
}
impl fg_primitives::GrandpaApi<Block> for Runtime {
fn grandpa_authorities() -> Vec<(GrandpaId, u64)> {
Grandpa::grandpa_authorities()
}
fn submit_report_equivocation_unsigned_extrinsic(
equivocation_proof: fg_primitives::EquivocationProof<
<Block as BlockT>::Hash,
sp_runtime::traits::NumberFor<Block>,
>,
key_owner_proof: fg_primitives::OpaqueKeyOwnershipProof,
) -> Option<()> {
let key_owner_proof = key_owner_proof.decode()?;
Grandpa::submit_unsigned_equivocation_report(
equivocation_proof,
key_owner_proof,
)
}
fn generate_key_ownership_proof(
_set_id: fg_primitives::SetId,
authority_id: fg_primitives::AuthorityId,
) -> Option<fg_primitives::OpaqueKeyOwnershipProof> {
use codec::Encode;
Historical::prove((fg_primitives::KEY_TYPE, authority_id))
.map(|p| p.encode())
.map(fg_primitives::OpaqueKeyOwnershipProof::new)
}
}
impl babe_primitives::BabeApi<Block> for Runtime {
fn configuration() -> babe_primitives::BabeGenesisConfiguration {
// 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::BabeGenesisConfiguration {
slot_duration: Babe::slot_duration(),
epoch_length: EpochDuration::get(),
c: PRIMARY_PROBABILITY,
genesis_authorities: Babe::authorities(),
randomness: Babe::randomness(),
allowed_slots: babe_primitives::AllowedSlots::PrimaryAndSecondaryPlainSlots,
}
}
fn current_epoch_start() -> babe_primitives::SlotNumber {
Babe::current_epoch_start()
}
fn generate_key_ownership_proof(
_slot_number: babe_primitives::SlotNumber,
authority_id: babe_primitives::AuthorityId,
) -> Option<babe_primitives::OpaqueKeyOwnershipProof> {
use codec::Encode;
Historical::prove((babe_primitives::KEY_TYPE, authority_id))
.map(|p| p.encode())
.map(babe_primitives::OpaqueKeyOwnershipProof::new)
}
fn submit_report_equivocation_unsigned_extrinsic(
equivocation_proof: babe_primitives::EquivocationProof<<Block as BlockT>::Header>,
key_owner_proof: babe_primitives::OpaqueKeyOwnershipProof,
) -> Option<()> {
let key_owner_proof = key_owner_proof.decode()?;
Babe::submit_unsigned_equivocation_report(
equivocation_proof,
key_owner_proof,
)
}
}
impl authority_discovery_primitives::AuthorityDiscoveryApi<Block> for Runtime {
fn authorities() -> Vec<AuthorityDiscoveryId> {
AuthorityDiscovery::authorities()
}
}
impl sp_session::SessionKeys<Block> for Runtime {
fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {
SessionKeys::generate(seed)
}
fn decode_session_keys(
encoded: Vec<u8>,
) -> Option<Vec<(Vec<u8>, sp_core::crypto::KeyTypeId)>> {
SessionKeys::decode_into_raw_public_keys(&encoded)
}
}
impl system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Nonce> for Runtime {
fn account_nonce(account: AccountId) -> Nonce {
System::account_nonce(account)
}
}
impl transaction_payment_rpc_runtime_api::TransactionPaymentApi<
Block,
Balance,
UncheckedExtrinsic,
> for Runtime {
fn query_info(uxt: UncheckedExtrinsic, len: u32) -> RuntimeDispatchInfo<Balance> {
TransactionPayment::query_info(uxt, len)
}
}
}
/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, Call, Signature, SignedExtra>;
/// Extrinsic type that has already been checked.
pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, Nonce, Call>;
/// Executive: handles dispatch to the various modules.
pub type Executive = executive::Executive<Runtime, Block, system::ChainContext<Runtime>, Runtime, AllModules>;
/// The payload being signed in transactions.
pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;
impl_opaque_keys! {
pub struct SessionKeys {
pub babe: Babe,
pub im_online: ImOnline,
pub parachain_validator: Initializer,
}
}
construct_runtime! {
pub enum Runtime where
Block = Block,
NodeBlock = primitives::v1::Block,
UncheckedExtrinsic = UncheckedExtrinsic
{
System: system::{Module, Call, Storage, Config, Event<T>},
// Must be before session.
Babe: babe::{Module, Call, Storage, Config, Inherent, ValidateUnsigned},
Timestamp: timestamp::{Module, Call, Storage, Inherent},
Indices: indices::{Module, Call, Storage, Config<T>, Event<T>},
Balances: balances::{Module, Call, Storage, Config<T>, Event<T>},
TransactionPayment: transaction_payment::{Module, Storage},
// Consensus support.
Authorship: authorship::{Module, Call, Storage},
Staking: staking::{Module, Call, Storage, Config<T>, Event<T>, ValidateUnsigned},
Offences: offences::{Module, Call, Storage, Event},
Historical: session_historical::{Module},
Session: session::{Module, Call, Storage, Event, Config<T>},
Grandpa: grandpa::{Module, Call, Storage, Config, Event, ValidateUnsigned},
ImOnline: im_online::{Module, Call, Storage, Event<T>, ValidateUnsigned, Config<T>},
AuthorityDiscovery: authority_discovery::{Module, Call, Config},
// Parachains modules.
Config: parachains_configuration::{Module, Call, Storage},
Inclusion: parachains_inclusion::{Module, Call, Storage, Event<T>},
InclusionInherent: parachains_inclusion_inherent::{Module, Call, Storage},
Scheduler: parachains_scheduler::{Module, Call, Storage},
Paras: parachains_paras::{Module, Call, Storage},
Initializer: parachains_initializer::{Module, Call, Storage},
}
}
pub struct BaseFilter;
impl Filter<Call> for BaseFilter {
fn filter(_call: &Call) -> bool {
true
}
}
/// Runtime version (Rococo).
pub const VERSION: RuntimeVersion = RuntimeVersion {
spec_name: create_runtime_str!("rococo"),
impl_name: create_runtime_str!("parity-rococo"),
authoring_version: 0,
spec_version: 1,
impl_version: 0,
#[cfg(not(feature = "disable-runtime-api"))]
apis: RUNTIME_API_VERSIONS,
#[cfg(feature = "disable-runtime-api")]
apis: version::create_apis_vec![[]],
transaction_version: 2,
};
parameter_types! {
pub const Version: RuntimeVersion = VERSION;
}
impl system::Trait for Runtime {
type BaseCallFilter = BaseFilter;
type Origin = Origin;
type Call = Call;
type Index = Nonce;
type BlockNumber = BlockNumber;
type Hash = Hash;
type Hashing = BlakeTwo256;
type AccountId = AccountId;
type Lookup = IdentityLookup<Self::AccountId>;
type Header = generic::Header<BlockNumber, BlakeTwo256>;
type Event = Event;
type BlockHashCount = BlockHashCount;
type MaximumBlockWeight = MaximumBlockWeight;
type DbWeight = RocksDbWeight;
type BlockExecutionWeight = BlockExecutionWeight;
type ExtrinsicBaseWeight = ExtrinsicBaseWeight;
type MaximumExtrinsicWeight = MaximumExtrinsicWeight;
type MaximumBlockLength = MaximumBlockLength;
type AvailableBlockRatio = AvailableBlockRatio;
type Version = Version;
type ModuleToIndex = ModuleToIndex;
type AccountData = balances::AccountData<Balance>;
type OnNewAccount = ();
type OnKilledAccount = ();
type SystemWeightInfo = ();
}
parameter_types! {
pub const MaxCodeSize: u32 = 10 * 1024 * 1024; // 10 MB
pub const MaxHeadDataSize: u32 = 20 * 1024; // 20 KB
pub const ValidationUpgradeFrequency: BlockNumber = 2 * DAYS;
pub const ValidationUpgradeDelay: BlockNumber = 8 * HOURS;
pub const SlashPeriod: BlockNumber = 7 * DAYS;
}
/// Submits a transaction with the node's public and signature type. Adheres to the signed extension
/// format of the chain.
impl<LocalCall> system::offchain::CreateSignedTransaction<LocalCall> for Runtime where
Call: From<LocalCall>,
{
fn create_transaction<C: system::offchain::AppCrypto<Self::Public, Self::Signature>>(
call: Call,
public: <Signature as Verify>::Signer,
account: AccountId,
nonce: <Runtime as system::Trait>::Index,
) -> Option<(Call, <UncheckedExtrinsic as ExtrinsicT>::SignaturePayload)> {
// take the biggest period possible.
let period = BlockHashCount::get()
.checked_next_power_of_two()
.map(|c| c / 2)
.unwrap_or(2) as u64;
let current_block = System::block_number()
.saturated_into::<u64>()
// The `System::block_number` is initialized with `n+1`,
// so the actual block number is `n`.
.saturating_sub(1);
let tip = 0;
let extra: SignedExtra = (
system::CheckSpecVersion::<Runtime>::new(),
system::CheckTxVersion::<Runtime>::new(),
system::CheckGenesis::<Runtime>::new(),
system::CheckMortality::<Runtime>::from(generic::Era::mortal(period, current_block)),
system::CheckNonce::<Runtime>::from(nonce),
system::CheckWeight::<Runtime>::new(),
transaction_payment::ChargeTransactionPayment::<Runtime>::from(tip),
);
let raw_payload = SignedPayload::new(call, extra).map_err(|e| {
debug::warn!("Unable to create signed payload: {:?}", e);
}).ok()?;
let signature = raw_payload.using_encoded(|payload| {
C::sign(payload, public)
})?;
let (call, extra, _) = raw_payload.deconstruct();
Some((call, (account, signature, extra)))
}
}
impl system::offchain::SigningTypes for Runtime {
type Public = <Signature as Verify>::Signer;
type Signature = Signature;
}
impl session::historical::Trait for Runtime {
type FullIdentification = staking::Exposure<AccountId, Balance>;
type FullIdentificationOf = staking::ExposureOf<Runtime>;
}
pallet_staking_reward_curve::build! {
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,
);
}
parameter_types! {
// Six sessions in an era (6 hours).
pub const SessionsPerEra: SessionIndex = 6;
// 28 eras for unbonding (7 days).
pub const BondingDuration: staking::EraIndex = 28;
// 27 eras in which slashes can be cancelled (~7 days).
pub const SlashDeferDuration: staking::EraIndex = 27;
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
pub const MaxNominatorRewardedPerValidator: u32 = 64;
// quarter of the last session will be for election.
pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 4;
pub const MaxIterations: u32 = 10;
pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
}
parameter_types! {
pub const SessionDuration: BlockNumber = EPOCH_DURATION_IN_BLOCKS as _;
}
parameter_types! {
pub const StakingUnsignedPriority: TransactionPriority = TransactionPriority::max_value() / 2;
pub const ImOnlineUnsignedPriority: TransactionPriority = TransactionPriority::max_value();
}
impl im_online::Trait for Runtime {
type AuthorityId = ImOnlineId;
type Event = Event;
type ReportUnresponsiveness = Offences;
type SessionDuration = SessionDuration;
type UnsignedPriority = StakingUnsignedPriority;
type WeightInfo = ();
}
impl staking::Trait for Runtime {
type Currency = Balances;
type UnixTime = Timestamp;
type CurrencyToVote = CurrencyToVoteHandler<Self>;
type RewardRemainder = ();
type Event = Event;
type Slash = ();
type Reward = ();
type SessionsPerEra = SessionsPerEra;
type BondingDuration = BondingDuration;
type SlashDeferDuration = SlashDeferDuration;
// A majority of the council can cancel the slash.
type SlashCancelOrigin = EnsureRoot<AccountId>;
type SessionInterface = Self;
type RewardCurve = RewardCurve;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type NextNewSession = Session;
type ElectionLookahead = ElectionLookahead;
type Call = Call;
type UnsignedPriority = StakingUnsignedPriority;
type MaxIterations = MaxIterations;
type MinSolutionScoreBump = MinSolutionScoreBump;
type WeightInfo = ();
}
parameter_types! {
pub const ExistentialDeposit: Balance = 1 * CENTS;
}
impl balances::Trait for Runtime {
type Balance = Balance;
type DustRemoval = ();
type Event = Event;
type ExistentialDeposit = ExistentialDeposit;
type AccountStore = System;
type WeightInfo = ();
}
impl<C> system::offchain::SendTransactionTypes<C> for Runtime where
Call: From<C>,
{
type OverarchingCall = Call;
type Extrinsic = UncheckedExtrinsic;
}
parameter_types! {
pub const ParathreadDeposit: Balance = 5 * DOLLARS;
pub const QueueSize: usize = 2;
pub const MaxRetries: u32 = 3;
}
parameter_types! {
pub OffencesWeightSoftLimit: Weight = Perbill::from_percent(60) * MaximumBlockWeight::get();
}
impl offences::Trait for Runtime {
type Event = Event;
type IdentificationTuple = session::historical::IdentificationTuple<Self>;
type OnOffenceHandler = Staking;
type WeightSoftLimit = OffencesWeightSoftLimit;
type WeightInfo = ();
}
impl authority_discovery::Trait for Runtime {}
parameter_types! {
pub const MinimumPeriod: u64 = SLOT_DURATION / 2;
}
impl timestamp::Trait for Runtime {
type Moment = u64;
type OnTimestampSet = Babe;
type MinimumPeriod = MinimumPeriod;
type WeightInfo = ();
}
parameter_types! {
pub const TransactionByteFee: Balance = 10 * MILLICENTS;
}
impl transaction_payment::Trait for Runtime {
type Currency = Balances;
type OnTransactionPayment = ToAuthor<Runtime>;
type TransactionByteFee = TransactionByteFee;
type WeightToFee = WeightToFee;
type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
}
parameter_types! {
pub const DisabledValidatorsThreshold: Perbill = Perbill::from_percent(17);
}
impl session::Trait for Runtime {
type Event = Event;
type ValidatorId = AccountId;
type ValidatorIdOf = staking::StashOf<Self>;
type ShouldEndSession = Babe;
type NextSessionRotation = Babe;
type SessionManager = session::historical::NoteHistoricalRoot<Self, Staking>;
type SessionHandler = <SessionKeys as OpaqueKeys>::KeyTypeIdProviders;
type Keys = SessionKeys;
type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
type WeightInfo = ();
}
parameter_types! {
pub const EpochDuration: u64 = EPOCH_DURATION_IN_BLOCKS as u64;
pub const ExpectedBlockTime: Moment = MILLISECS_PER_BLOCK;
}
impl babe::Trait for Runtime {
type EpochDuration = EpochDuration;
type ExpectedBlockTime = ExpectedBlockTime;
// session module is the trigger
type EpochChangeTrigger = babe::ExternalTrigger;
type KeyOwnerProofSystem = Historical;
type KeyOwnerProof = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
KeyTypeId,
babe::AuthorityId,
)>>::Proof;
type KeyOwnerIdentification = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
KeyTypeId,
babe::AuthorityId,
)>>::IdentificationTuple;
type HandleEquivocation =
babe::EquivocationHandler<Self::KeyOwnerIdentification, Offences>;
}
parameter_types! {
pub const IndexDeposit: Balance = 1 * DOLLARS;
}
impl indices::Trait for Runtime {
type AccountIndex = AccountIndex;
type Currency = Balances;
type Deposit = IndexDeposit;
type Event = Event;
type WeightInfo = ();
}
parameter_types! {
pub const AttestationPeriod: BlockNumber = 50;
}
impl grandpa::Trait for Runtime {
type Event = Event;
type Call = Call;
type KeyOwnerProofSystem = Historical;
type KeyOwnerProof =
<Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;
type KeyOwnerIdentification = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
KeyTypeId,
GrandpaId,
)>>::IdentificationTuple;
type HandleEquivocation = grandpa::EquivocationHandler<Self::KeyOwnerIdentification, Offences>;
}
parameter_types! {
pub const UncleGenerations: u32 = 0;
}
// TODO: substrate#2986 implement this properly
impl authorship::Trait for Runtime {
type FindAuthor = session::FindAccountFromAuthorIndex<Self, Babe>;
type UncleGenerations = UncleGenerations;
type FilterUncle = ();
type EventHandler = (Staking, ImOnline);
}
impl parachains_configuration::Trait for Runtime { }
impl parachains_inclusion::Trait for Runtime {
type Event = Event;
}
impl parachains_paras::Trait for Runtime { }
impl parachains_inclusion_inherent::Trait for Runtime { }
impl parachains_scheduler::Trait for Runtime { }
impl parachains_initializer::Trait for Runtime {
type Randomness = Babe;
}