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[Bridges] Move chain definitions to separate folder (#3822)
Related to https://github.com/paritytech/parity-bridges-common/issues/2538 This PR doesn't contain any functional changes. The PR moves specific bridged chain definitions from `bridges/primitives` to `bridges/chains` folder in order to facilitate the migration of the `parity-bridges-repo` into `polkadot-sdk` as discussed in https://hackmd.io/LprWjZ0bQXKpFeveYHIRXw?view Apart from this it also includes some cosmetic changes to some `Cargo.toml` files as a result of running `diener workspacify`.
This commit is contained in:
Serban Iorga
@@ -1,45 +0,0 @@
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[package]
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name = "bp-polkadot-bulletin"
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description = "Primitives of Polkadot Bulletin chain runtime."
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version = "0.4.0"
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authors.workspace = true
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edition.workspace = true
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license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
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[lints]
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workspace = true
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[dependencies]
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codec = { package = "parity-scale-codec", version = "3.1.5", default-features = false, features = ["derive"] }
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scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
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# Bridge Dependencies
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bp-header-chain = { path = "../header-chain", default-features = false }
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bp-messages = { path = "../messages", default-features = false }
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bp-polkadot-core = { path = "../polkadot-core", default-features = false }
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bp-runtime = { path = "../runtime", default-features = false }
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# Substrate Based Dependencies
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frame-support = { path = "../../../substrate/frame/support", default-features = false }
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frame-system = { path = "../../../substrate/frame/system", default-features = false }
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sp-api = { path = "../../../substrate/primitives/api", default-features = false }
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sp-runtime = { path = "../../../substrate/primitives/runtime", default-features = false }
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sp-std = { path = "../../../substrate/primitives/std", default-features = false }
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[features]
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default = ["std"]
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std = [
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"bp-header-chain/std",
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"bp-messages/std",
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"bp-polkadot-core/std",
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"bp-runtime/std",
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"codec/std",
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"frame-support/std",
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"frame-system/std",
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"scale-info/std",
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"sp-api/std",
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"sp-runtime/std",
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"sp-std/std",
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]
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@@ -1,227 +0,0 @@
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// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Polkadot Bulletin Chain primitives.
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#![warn(missing_docs)]
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#![cfg_attr(not(feature = "std"), no_std)]
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use bp_header_chain::ChainWithGrandpa;
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use bp_messages::{ChainWithMessages, MessageNonce};
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use bp_runtime::{
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decl_bridge_finality_runtime_apis, decl_bridge_messages_runtime_apis,
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extensions::{
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CheckEra, CheckGenesis, CheckNonZeroSender, CheckNonce, CheckSpecVersion, CheckTxVersion,
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CheckWeight, GenericSignedExtension, GenericSignedExtensionSchema,
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},
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Chain, ChainId, TransactionEra,
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};
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use codec::{Decode, Encode};
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use frame_support::{
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dispatch::DispatchClass,
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parameter_types,
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weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight},
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};
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use frame_system::limits;
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use scale_info::TypeInfo;
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use sp_runtime::{traits::DispatchInfoOf, transaction_validity::TransactionValidityError, Perbill};
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// This chain reuses most of Polkadot primitives.
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pub use bp_polkadot_core::{
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AccountAddress, AccountId, Balance, Block, BlockNumber, Hash, Hasher, Header, Nonce, Signature,
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SignedBlock, UncheckedExtrinsic, AVERAGE_HEADER_SIZE, EXTRA_STORAGE_PROOF_SIZE,
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MAX_MANDATORY_HEADER_SIZE, REASONABLE_HEADERS_IN_JUSTIFICATON_ANCESTRY,
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};
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/// Maximal number of GRANDPA authorities at Polkadot Bulletin chain.
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pub const MAX_AUTHORITIES_COUNT: u32 = 100;
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/// Name of the With-Polkadot Bulletin chain GRANDPA pallet instance that is deployed at bridged
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/// chains.
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pub const WITH_POLKADOT_BULLETIN_GRANDPA_PALLET_NAME: &str = "BridgePolkadotBulletinGrandpa";
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/// Name of the With-Polkadot Bulletin chain messages pallet instance that is deployed at bridged
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/// chains.
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pub const WITH_POLKADOT_BULLETIN_MESSAGES_PALLET_NAME: &str = "BridgePolkadotBulletinMessages";
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// There are fewer system operations on this chain (e.g. staking, governance, etc.). Use a higher
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// percentage of the block for data storage.
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const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(90);
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// Re following constants - we are using the same values at Cumulus parachains. They are limited
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// by the maximal transaction weight/size. Since block limits at Bulletin Chain are larger than
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// at the Cumulus Bridgeg Hubs, we could reuse the same values.
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/// Maximal number of unrewarded relayer entries at inbound lane for Cumulus-based parachains.
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pub const MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX: MessageNonce = 1024;
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/// Maximal number of unconfirmed messages at inbound lane for Cumulus-based parachains.
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pub const MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX: MessageNonce = 4096;
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/// This signed extension is used to ensure that the chain transactions are signed by proper
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pub type ValidateSigned = GenericSignedExtensionSchema<(), ()>;
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/// Signed extension schema, used by Polkadot Bulletin.
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pub type SignedExtensionSchema = GenericSignedExtension<(
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(
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CheckNonZeroSender,
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CheckSpecVersion,
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CheckTxVersion,
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CheckGenesis<Hash>,
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CheckEra<Hash>,
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CheckNonce<Nonce>,
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CheckWeight,
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),
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ValidateSigned,
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)>;
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/// Signed extension, used by Polkadot Bulletin.
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#[derive(Encode, Decode, Debug, PartialEq, Eq, Clone, TypeInfo)]
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pub struct SignedExtension(SignedExtensionSchema);
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impl sp_runtime::traits::SignedExtension for SignedExtension {
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const IDENTIFIER: &'static str = "Not needed.";
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type AccountId = ();
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type Call = ();
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type AdditionalSigned =
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<SignedExtensionSchema as sp_runtime::traits::SignedExtension>::AdditionalSigned;
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type Pre = ();
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fn additional_signed(&self) -> Result<Self::AdditionalSigned, TransactionValidityError> {
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self.0.additional_signed()
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}
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fn pre_dispatch(
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self,
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_who: &Self::AccountId,
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_call: &Self::Call,
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_info: &DispatchInfoOf<Self::Call>,
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_len: usize,
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) -> Result<Self::Pre, TransactionValidityError> {
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Ok(())
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}
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}
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impl SignedExtension {
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/// Create signed extension from its components.
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pub fn from_params(
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spec_version: u32,
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transaction_version: u32,
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era: TransactionEra<BlockNumber, Hash>,
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genesis_hash: Hash,
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nonce: Nonce,
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) -> Self {
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Self(GenericSignedExtension::new(
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(
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(
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(), // non-zero sender
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(), // spec version
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(), // tx version
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(), // genesis
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era.frame_era(), // era
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nonce.into(), // nonce (compact encoding)
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(), // Check weight
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),
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(),
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),
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Some((
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(
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(),
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spec_version,
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transaction_version,
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genesis_hash,
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era.signed_payload(genesis_hash),
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(),
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(),
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),
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(),
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)),
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))
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}
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/// Return transaction nonce.
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pub fn nonce(&self) -> Nonce {
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let common_payload = self.0.payload.0;
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common_payload.5 .0
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}
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}
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parameter_types! {
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/// We allow for 2 seconds of compute with a 6 second average block time.
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pub BlockWeights: limits::BlockWeights = limits::BlockWeights::with_sensible_defaults(
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Weight::from_parts(2u64 * WEIGHT_REF_TIME_PER_SECOND, u64::MAX),
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NORMAL_DISPATCH_RATIO,
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);
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// Note: Max transaction size is 8 MB. Set max block size to 10 MB to facilitate data storage.
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// This is double the "normal" Relay Chain block length limit.
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/// Maximal block length at Polkadot Bulletin chain.
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pub BlockLength: limits::BlockLength = limits::BlockLength::max_with_normal_ratio(
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10 * 1024 * 1024,
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NORMAL_DISPATCH_RATIO,
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);
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}
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/// Polkadot Bulletin Chain declaration.
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pub struct PolkadotBulletin;
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impl Chain for PolkadotBulletin {
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const ID: ChainId = *b"pdbc";
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type BlockNumber = BlockNumber;
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type Hash = Hash;
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type Hasher = Hasher;
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type Header = Header;
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type AccountId = AccountId;
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// The Bulletin Chain is a permissioned blockchain without any balances. Our `Chain` trait
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// requires balance type, which is then used by various bridge infrastructure code. However
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// this code is optional and we are not planning to use it in our bridge.
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type Balance = Balance;
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type Nonce = Nonce;
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type Signature = Signature;
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fn max_extrinsic_size() -> u32 {
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*BlockLength::get().max.get(DispatchClass::Normal)
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}
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fn max_extrinsic_weight() -> Weight {
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BlockWeights::get()
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.get(DispatchClass::Normal)
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.max_extrinsic
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.unwrap_or(Weight::MAX)
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}
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}
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impl ChainWithGrandpa for PolkadotBulletin {
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const WITH_CHAIN_GRANDPA_PALLET_NAME: &'static str = WITH_POLKADOT_BULLETIN_GRANDPA_PALLET_NAME;
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const MAX_AUTHORITIES_COUNT: u32 = MAX_AUTHORITIES_COUNT;
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const REASONABLE_HEADERS_IN_JUSTIFICATON_ANCESTRY: u32 =
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REASONABLE_HEADERS_IN_JUSTIFICATON_ANCESTRY;
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const MAX_MANDATORY_HEADER_SIZE: u32 = MAX_MANDATORY_HEADER_SIZE;
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const AVERAGE_HEADER_SIZE: u32 = AVERAGE_HEADER_SIZE;
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}
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impl ChainWithMessages for PolkadotBulletin {
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const WITH_CHAIN_MESSAGES_PALLET_NAME: &'static str =
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WITH_POLKADOT_BULLETIN_MESSAGES_PALLET_NAME;
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const MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX: MessageNonce =
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MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX;
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const MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX: MessageNonce =
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MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX;
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}
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decl_bridge_finality_runtime_apis!(polkadot_bulletin, grandpa);
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decl_bridge_messages_runtime_apis!(polkadot_bulletin);
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