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Introduce polkadot code substitute (#3093)

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* Introduce polkadot code substitute

This introduces a code substitute for the on-chain wasm of Polkadot from
block
`0x86aa36a140dfc449c30dbce16ce0fea33d5c3786766baa764e33f336841b9e29`
on wards. The underlying problem was that there exists some
miscompilation by the rust compiler in the wasm runtime that results in
state mismatches between the native/wasm runtime of the
the 0.8.30 release. This resulted in blocks being authored by the native
runtime not being importable by nodes using the wasm runtime. The
on-chain wasm is replaced by a wasm build from the 0.8.30 using the
rustc nightly from 1.03.2021.

* update the wasm substitute blob

* update Substrate

Co-authored-by: André Silva <andrerfosilva@gmail.com>
Co-authored-by: parity-processbot <>
This commit is contained in:
Bastian Köcher
2021-05-25 16:39:57 +02:00
committed by GitHub
parent 56092fdda0
commit 332cfad83a
3 changed files with 160 additions and 159 deletions
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polkadot/node/test/client/src/lib.rs
+1 -1
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@@ -33,7 +33,7 @@ pub use polkadot_test_service::{
pub use polkadot_test_runtime as runtime;
/// Test client executor.
pub type Executor = client::LocalCallExecutor<FullBackend, sc_executor::NativeExecutor<PolkadotTestExecutor>>;
pub type Executor = client::LocalCallExecutor<Block, FullBackend, sc_executor::NativeExecutor<PolkadotTestExecutor>>;
/// Test client builder for Polkadot.
pub type TestClientBuilder = substrate_test_client::TestClientBuilder<Block, Executor, FullBackend, GenesisParameters>;