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Embed runtime version as a custom section (#8688)

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* emit a custom section from impl_runtime_apis!

This change emits a custom section from the impl_runtime_apis! proc macro.

Each implemented API will result to emitting a link section `runtime_apis`.
During linking all sections with this name will be concatenated and
placed into the final wasm binary under the same name.

* Introduce `runtime_version` proc macro

This macro takes an existing `RuntimeVersion` const declaration, parses
it and emits the version information in form of a linking section.
Ultimately such a linking section will result into a custom wasm
section.

* Parse custom wasm section for runtime version

* Apply suggestions from code review

Co-authored-by: David <dvdplm@gmail.com>

* Fix sc-executor integration tests

* Nits

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Refactor apis section deserialization

* Fix version decoding

* Reuse uncompressed value for CallInWasm

* Log on decompression error

* Simplify if

* Reexport proc-macro from sp_version

* Merge ReadRuntimeVersionExt

* Export `read_embedded_version`

* Fix test

* Simplify searching for custom section

Co-authored-by: David <dvdplm@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Sergei Shulepov
2021-05-12 15:39:08 +02:00
committed by GitHub
parent 4f7c1df31e
commit 0849bcce0e
27 changed files with 833 additions and 289 deletions
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substrate/primitives/state-machine/src/lib.rs
+4 -8
View File
@@ -178,7 +178,7 @@ mod execution {
use codec::{Decode, Encode, Codec};
use sp_core::{
storage::ChildInfo, NativeOrEncoded, NeverNativeValue, hexdisplay::HexDisplay,
traits::{CodeExecutor, CallInWasmExt, RuntimeCode, SpawnNamed},
traits::{CodeExecutor, ReadRuntimeVersionExt, RuntimeCode, SpawnNamed},
};
use sp_externalities::Extensions;
@@ -339,7 +339,7 @@ mod execution {
runtime_code: &'a RuntimeCode,
spawn_handle: impl SpawnNamed + Send + 'static,
) -> Self {
extensions.register(CallInWasmExt::new(exec.clone()));
extensions.register(ReadRuntimeVersionExt::new(exec.clone()));
extensions.register(sp_core::traits::TaskExecutorExt::new(spawn_handle));
Self {
@@ -943,15 +943,11 @@ mod tests {
}
}
impl sp_core::traits::CallInWasm for DummyCodeExecutor {
fn call_in_wasm(
impl sp_core::traits::ReadRuntimeVersion for DummyCodeExecutor {
fn read_runtime_version(
&self,
_: &[u8],
_: Option<Vec<u8>>,
_: &str,
_: &[u8],
_: &mut dyn Externalities,
_: sp_core::traits::MissingHostFunctions,
) -> std::result::Result<Vec<u8>, String> {
unimplemented!("Not required in tests.")
}