mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Koute
b0f34e4b29
This PR adds a new PolkaVM-based executor to Substrate. - The executor can now be used to actually run a PolkaVM-based runtime, and successfully produces blocks. - The executor is always compiled-in, but is disabled by default. - The `SUBSTRATE_ENABLE_POLKAVM` environment variable must be set to `1` to enable the executor, in which case the node will accept both WASM and PolkaVM program blobs (otherwise it'll default to WASM-only). This is deliberately undocumented and not explicitly exposed anywhere (e.g. in the command line arguments, or in the API) to disincentivize anyone from enabling it in production. If/when we'll move this into production usage I'll remove the environment variable and do it "properly". - I did not use our legacy runtime allocator for the PolkaVM executor, so currently every allocation inside of the runtime will leak guest memory until that particular instance is destroyed. The idea here is that I will work on the https://github.com/polkadot-fellows/RFCs/pull/4 which will remove the need for the legacy allocator under WASM, and that will also allow us to use a proper non-leaking allocator under PolkaVM. - I also did some minor cleanups of the WASM executor and deleted some dead code. No prdocs included since this is not intended to be an end-user feature, but an unofficial experiment, and shouldn't affect any current production user. Once this is production-ready a full Polkadot Fellowship RFC will be necessary anyway.
108 lines
3.9 KiB
TOML
108 lines
3.9 KiB
TOML
[package]
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name = "sp-io"
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version = "30.0.0"
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authors.workspace = true
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edition.workspace = true
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license = "Apache-2.0"
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homepage = "https://substrate.io"
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repository.workspace = true
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description = "I/O for Substrate runtimes"
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documentation = "https://docs.rs/sp-io"
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readme = "README.md"
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build = "build.rs"
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[lints]
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workspace = true
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[package.metadata.docs.rs]
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targets = ["x86_64-unknown-linux-gnu"]
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[dependencies]
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bytes = { version = "1.1.0", default-features = false }
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codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["bytes"] }
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sp-core = { path = "../core", default-features = false }
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sp-crypto-hashing = { path = "../crypto/hashing", default-features = false }
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sp-keystore = { path = "../keystore", default-features = false, optional = true }
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sp-std = { path = "../std", default-features = false }
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libsecp256k1 = { version = "0.7", optional = true }
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sp-state-machine = { path = "../state-machine", default-features = false, optional = true }
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sp-runtime-interface = { path = "../runtime-interface", default-features = false }
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sp-trie = { path = "../trie", default-features = false, optional = true }
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sp-externalities = { path = "../externalities", default-features = false }
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sp-tracing = { path = "../tracing", default-features = false }
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log = { optional = true, workspace = true, default-features = true }
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secp256k1 = { version = "0.28.0", features = ["global-context", "recovery"], optional = true }
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tracing = { version = "0.1.29", default-features = false }
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tracing-core = { version = "0.1.32", default-features = false }
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# Required for backwards compatibility reason, but only used for verifying when `UseDalekExt` is set.
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ed25519-dalek = { version = "2.1", default-features = false, optional = true }
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[target.'cfg(all(any(target_arch = "riscv32", target_arch = "riscv64"), substrate_runtime))'.dependencies]
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polkavm-derive = { workspace = true }
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[build-dependencies]
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rustversion = "1.0.6"
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[features]
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default = ["std"]
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std = [
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"bytes/std",
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"codec/std",
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"ed25519-dalek",
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"ed25519-dalek?/std",
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"libsecp256k1",
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"log/std",
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"secp256k1",
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"sp-core/std",
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"sp-crypto-hashing/std",
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"sp-externalities/std",
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"sp-keystore/std",
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"sp-runtime-interface/std",
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"sp-state-machine/std",
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"sp-std/std",
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"sp-tracing/std",
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"sp-trie/std",
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"tracing-core/std",
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"tracing/std",
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]
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with-tracing = ["sp-tracing/with-tracing"]
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# These two features are used for `no_std` builds for the environments which already provides
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# `#[panic_handler]`, `#[alloc_error_handler]` and `#[global_allocator]`.
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#
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# For the regular wasm runtime builds those are not used.
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disable_panic_handler = []
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disable_oom = []
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disable_allocator = []
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# This feature flag controls the runtime's behavior when encountering
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# a panic or when it runs out of memory, improving the diagnostics.
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#
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# When enabled the runtime will marshal the relevant error message
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# to the host through the `PanicHandler::abort_on_panic` runtime interface.
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# This gives the caller direct programmatic access to the error message.
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#
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# When disabled the error message will only be printed out in the
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# logs, with the caller receving a generic "wasm `unreachable` instruction executed"
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# error message.
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#
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# This has no effect if both `disable_panic_handler` and `disable_oom`
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# are enabled.
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#
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# WARNING: Enabling this feature flag requires the `PanicHandler::abort_on_panic`
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# host function to be supported by the host. Do *not* enable it for your
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# runtime without first upgrading your host client!
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improved_panic_error_reporting = []
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# This feature adds BLS crypto primitives.
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# It should not be used in production since the implementation and interface may still
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# be subject to significant changes.
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bls-experimental = ["sp-keystore/bls-experimental"]
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# This feature adds Bandersnatch crypto primitives.
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# It should not be used in production since the implementation and interface may still
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# be subject to significant changes.
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bandersnatch-experimental = ["sp-keystore/bandersnatch-experimental"]
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