mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Aaro Altonen
80616f6d03
[litep2p](https://github.com/altonen/litep2p) is a libp2p-compatible P2P networking library. It supports all of the features of `rust-libp2p` that are currently being utilized by Polkadot SDK. Compared to `rust-libp2p`, `litep2p` has a quite different architecture which is why the new `litep2p` network backend is only able to use a little of the existing code in `sc-network`. The design has been mainly influenced by how we'd wish to structure our networking-related code in Polkadot SDK: independent higher-levels protocols directly communicating with the network over links that support bidirectional backpressure. A good example would be `NotificationHandle`/`RequestResponseHandle` abstractions which allow, e.g., `SyncingEngine` to directly communicate with peers to announce/request blocks. I've tried running `polkadot --network-backend litep2p` with a few different peer configurations and there is a noticeable reduction in networking CPU usage. For high load (`--out-peers 200`), networking CPU usage goes down from ~110% to ~30% (80 pp) and for normal load (`--out-peers 40`), the usage goes down from ~55% to ~18% (37 pp). These should not be taken as final numbers because: a) there are still some low-hanging optimization fruits, such as enabling [receive window auto-tuning](https://github.com/libp2p/rust-yamux/pull/176), integrating `Peerset` more closely with `litep2p` or improving memory usage of the WebSocket transport b) fixing bugs/instabilities that incorrectly cause `litep2p` to do less work will increase the networking CPU usage c) verification in a more diverse set of tests/conditions is needed Nevertheless, these numbers should give an early estimate for CPU usage of the new networking backend. This PR consists of three separate changes: * introduce a generic `PeerId` (wrapper around `Multihash`) so that we don't have use `NetworkService::PeerId` in every part of the code that uses a `PeerId` * introduce `NetworkBackend` trait, implement it for the libp2p network stack and make Polkadot SDK generic over `NetworkBackend` * implement `NetworkBackend` for litep2p The new library should be considered experimental which is why `rust-libp2p` will remain as the default option for the time being. This PR currently depends on the master branch of `litep2p` but I'll cut a new release for the library once all review comments have been addresses. --------- Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> Co-authored-by: Dmitry Markin <dmitry@markin.tech> Co-authored-by: Alexandru Vasile <60601340+lexnv@users.noreply.github.com> Co-authored-by: Alexandru Vasile <alexandru.vasile@parity.io>
65 lines
2.4 KiB
TOML
65 lines
2.4 KiB
TOML
[package]
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name = "sc-consensus-beefy"
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version = "13.0.0"
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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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repository.workspace = true
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description = "BEEFY Client gadget for substrate"
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homepage = "https://substrate.io"
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[lints]
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workspace = true
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[dependencies]
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array-bytes = "6.1"
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async-channel = "1.8.0"
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async-trait = "0.1.79"
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codec = { package = "parity-scale-codec", version = "3.6.1", features = ["derive"] }
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fnv = "1.0.6"
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futures = "0.3.30"
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log = { workspace = true, default-features = true }
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parking_lot = "0.12.1"
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thiserror = { workspace = true }
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wasm-timer = "0.2.5"
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prometheus = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus" }
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sc-client-api = { path = "../../api" }
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sc-consensus = { path = "../common" }
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sc-network = { path = "../../network" }
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sc-network-gossip = { path = "../../network-gossip" }
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sc-network-sync = { path = "../../network/sync" }
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sc-network-types = { path = "../../network/types" }
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sc-utils = { path = "../../utils" }
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sp-api = { path = "../../../primitives/api" }
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sp-application-crypto = { path = "../../../primitives/application-crypto" }
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sp-arithmetic = { path = "../../../primitives/arithmetic" }
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sp-blockchain = { path = "../../../primitives/blockchain" }
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sp-consensus = { path = "../../../primitives/consensus/common" }
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sp-consensus-beefy = { path = "../../../primitives/consensus/beefy" }
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sp-core = { path = "../../../primitives/core" }
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sp-crypto-hashing = { path = "../../../primitives/crypto/hashing" }
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sp-keystore = { path = "../../../primitives/keystore" }
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sp-mmr-primitives = { path = "../../../primitives/merkle-mountain-range" }
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sp-runtime = { path = "../../../primitives/runtime" }
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tokio = "1.37"
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[dev-dependencies]
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serde = { workspace = true, default-features = true }
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tempfile = "3.1.0"
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sc-block-builder = { path = "../../block-builder" }
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sc-network-test = { path = "../../network/test" }
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sp-consensus-grandpa = { path = "../../../primitives/consensus/grandpa" }
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sp-keyring = { path = "../../../primitives/keyring" }
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sp-tracing = { path = "../../../primitives/tracing" }
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substrate-test-runtime-client = { path = "../../../test-utils/runtime/client" }
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[features]
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# This feature adds BLS crypto primitives. It should not be used in production since
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# the BLS implementation and interface may still be subject to significant change.
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bls-experimental = [
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"sp-application-crypto/bls-experimental",
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"sp-consensus-beefy/bls-experimental",
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"sp-core/bls-experimental",
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]
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