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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
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[package]
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name = "bp-bridge-hub-cumulus"
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description = "Primitives for BridgeHub parachain runtimes."
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version = "0.7.0"
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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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# Bridge Dependencies
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bp-polkadot-core = { path = "../../primitives/polkadot-core", default-features = false }
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bp-messages = { path = "../../primitives/messages", default-features = false }
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bp-runtime = { path = "../../primitives/runtime", default-features = false }
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# Substrate Based Dependencies
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frame-system = { path = "../../../substrate/frame/system", default-features = false }
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frame-support = { path = "../../../substrate/frame/support", default-features = false }
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sp-api = { path = "../../../substrate/primitives/api", default-features = false }
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sp-std = { path = "../../../substrate/primitives/std", default-features = false }
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# Polkadot Dependencies
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polkadot-primitives = { path = "../../../polkadot/primitives", default-features = false }
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[features]
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default = ["std"]
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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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"frame-support/std",
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"frame-system/std",
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"polkadot-primitives/std",
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"sp-api/std",
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"sp-std/std",
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]
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@@ -0,0 +1,170 @@
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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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//! Primitives of all Cumulus-based bridge hubs.
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#![warn(missing_docs)]
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#![cfg_attr(not(feature = "std"), no_std)]
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pub use bp_polkadot_core::{
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AccountId, AccountInfoStorageMapKeyProvider, AccountPublic, Balance, BlockNumber, Hash, Hasher,
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Hashing, Header, Nonce, Perbill, Signature, SignedBlock, UncheckedExtrinsic,
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EXTRA_STORAGE_PROOF_SIZE, TX_EXTRA_BYTES,
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};
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use bp_messages::*;
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use bp_polkadot_core::SuffixedCommonSignedExtension;
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use bp_runtime::extensions::{
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BridgeRejectObsoleteHeadersAndMessages, RefundBridgedParachainMessagesSchema,
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};
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use frame_support::{
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dispatch::DispatchClass,
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parameter_types,
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sp_runtime::{MultiAddress, MultiSigner},
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weights::constants,
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};
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use frame_system::limits;
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use sp_std::time::Duration;
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/// Average block interval in Cumulus-based parachains.
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///
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/// Corresponds to the `MILLISECS_PER_BLOCK` from `parachains_common` crate.
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pub const AVERAGE_BLOCK_INTERVAL: Duration = Duration::from_secs(12);
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/// All cumulus bridge hubs allow normal extrinsics to fill block up to 75 percent.
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///
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/// This is a copy-paste from the cumulus repo's `parachains-common` crate.
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pub const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
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/// All cumulus bridge hubs chains allow for 0.5 seconds of compute with a 6-second average block
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/// time.
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///
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/// This is a copy-paste from the cumulus repo's `parachains-common` crate.
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const MAXIMUM_BLOCK_WEIGHT: Weight = Weight::from_parts(constants::WEIGHT_REF_TIME_PER_SECOND, 0)
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.saturating_div(2)
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.set_proof_size(polkadot_primitives::MAX_POV_SIZE as u64);
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/// We allow for 2 seconds of compute with a 6 second average block.
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const MAXIMUM_BLOCK_WEIGHT_FOR_ASYNC_BACKING: Weight = Weight::from_parts(
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constants::WEIGHT_REF_TIME_PER_SECOND.saturating_mul(2),
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polkadot_primitives::MAX_POV_SIZE as u64,
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);
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/// All cumulus bridge hubs assume that about 5 percent of the block weight is consumed by
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/// `on_initialize` handlers. This is used to limit the maximal weight of a single extrinsic.
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///
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/// This is a copy-paste from the cumulus repo's `parachains-common` crate.
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pub const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(5);
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parameter_types! {
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/// Size limit of the Cumulus-based bridge hub blocks.
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pub BlockLength: limits::BlockLength = limits::BlockLength::max_with_normal_ratio(
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5 * 1024 * 1024,
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NORMAL_DISPATCH_RATIO,
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);
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/// Importing a block with 0 Extrinsics.
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pub const BlockExecutionWeight: Weight = Weight::from_parts(constants::WEIGHT_REF_TIME_PER_NANOS, 0)
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.saturating_mul(5_000_000);
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/// Executing a NO-OP `System::remarks` Extrinsic.
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pub const ExtrinsicBaseWeight: Weight = Weight::from_parts(constants::WEIGHT_REF_TIME_PER_NANOS, 0)
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.saturating_mul(125_000);
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/// Weight limit of the Cumulus-based bridge hub blocks.
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pub BlockWeights: limits::BlockWeights = limits::BlockWeights::builder()
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.base_block(BlockExecutionWeight::get())
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.for_class(DispatchClass::all(), |weights| {
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weights.base_extrinsic = ExtrinsicBaseWeight::get();
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})
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.for_class(DispatchClass::Normal, |weights| {
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weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT);
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})
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.for_class(DispatchClass::Operational, |weights| {
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weights.max_total = Some(MAXIMUM_BLOCK_WEIGHT);
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// Operational transactions have an extra reserved space, so that they
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// are included even if block reached `MAXIMUM_BLOCK_WEIGHT`.
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weights.reserved = Some(
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MAXIMUM_BLOCK_WEIGHT - NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT,
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);
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})
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.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
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.build_or_panic();
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/// Weight limit of the Cumulus-based bridge hub blocks when async backing is enabled.
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pub BlockWeightsForAsyncBacking: limits::BlockWeights = limits::BlockWeights::builder()
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.base_block(BlockExecutionWeight::get())
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.for_class(DispatchClass::all(), |weights| {
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weights.base_extrinsic = ExtrinsicBaseWeight::get();
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})
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.for_class(DispatchClass::Normal, |weights| {
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weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT_FOR_ASYNC_BACKING);
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})
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.for_class(DispatchClass::Operational, |weights| {
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weights.max_total = Some(MAXIMUM_BLOCK_WEIGHT_FOR_ASYNC_BACKING);
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// Operational transactions have an extra reserved space, so that they
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// are included even if block reached `MAXIMUM_BLOCK_WEIGHT_FOR_ASYNC_BACKING`.
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weights.reserved = Some(
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MAXIMUM_BLOCK_WEIGHT_FOR_ASYNC_BACKING - NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT_FOR_ASYNC_BACKING,
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);
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})
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.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
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.build_or_panic();
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}
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/// Public key of the chain account that may be used to verify signatures.
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pub type AccountSigner = MultiSigner;
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/// The address format for describing accounts.
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pub type Address = MultiAddress<AccountId, ()>;
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// Note about selecting values of two following constants:
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//
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// Normal transactions have limit of 75% of 1/2 second weight for Cumulus parachains. Let's keep
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// some reserve for the rest of stuff there => let's select values that fit in 50% of maximal limit.
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//
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// Using current constants, the limit would be:
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//
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// `75% * WEIGHT_REF_TIME_PER_SECOND * 1 / 2 * 50% = 0.75 * 1_000_000_000_000 / 2 * 0.5 =
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// 187_500_000_000`
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//
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// According to (preliminary) weights of messages pallet, cost of additional message is zero and the
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// cost of additional relayer is `8_000_000 + db read + db write`. Let's say we want no more than
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// 4096 unconfirmed messages (no any scientific justification for that - it just looks large
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// enough). And then we can't have more than 4096 relayers. E.g. for 1024 relayers is (using
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// `RocksDbWeight`):
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//
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// `1024 * (8_000_000 + db read + db write) = 1024 * (8_000_000 + 25_000_000 + 100_000_000) =
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// 136_192_000_000`
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//
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// So 1024 looks like good approximation for the number of relayers. If something is wrong in those
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// assumptions, or something will change, it shall be caught by the
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// `ensure_able_to_receive_confirmation` test.
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/// Maximal number of unrewarded relayer entries at inbound lane for Cumulus-based parachains.
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/// Note: this value is security-relevant, decreasing it should not be done without careful
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/// analysis (like the one above).
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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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/// Note: this value is security-relevant, decreasing it should not be done without careful
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/// analysis (like the one above).
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pub const MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX: MessageNonce = 4096;
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/// Signed extension that is used by all bridge hubs.
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pub type SignedExtension = SuffixedCommonSignedExtension<(
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BridgeRejectObsoleteHeadersAndMessages,
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RefundBridgedParachainMessagesSchema,
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)>;
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