Enable Wasm sign_ext (#1189)

* Enable Wasm sign_ext

* Bump substrate crates

* Add warning when building with new rustc

* Stable toolchain

* Revert "Stable toolchain"

This reverts commit aa2a2e6.

---------

Co-authored-by: Andrew Jones <ascjones@gmail.com>

crates/build/Cargo.toml

@@ -27,7 +27,7 @@ rustc_version = "0.4.0"
 scale = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"] }
 toml = "0.7.3"
 tracing = "0.1.37"
-parity-wasm = "0.45.0"
+parity-wasm = { version = "0.45.0", features = ["sign_ext"] }
 semver = { version = "1.0.17", features = ["serde"] }
 serde = { version = "1", default-features = false, features = ["derive"] }
 serde_json = "1.0.96"

crates/build/src/lib.rs

@@ -274,6 +274,18 @@ fn exec_cargo_for_onchain_target(
  // Allow nightly features on a stable toolchain
  env.push(("RUSTC_BOOTSTRAP", Some("1".to_string())))
  }
+
+ // newer rustc versions might emit unsupported instructions
+ if rustc_version::version_meta()?.semver >= Version::new(1, 70, 0) {
+ maybe_println!(
+ verbosity,
+ "{} {}",
+ "warning:".yellow().bold(),
+ "You are using a rustc version that might emit unsupported wasm instructions. Build using a version lower than 1.70.0 to make sure your contract will deploy."
+ .bold()
+ );
+ }
+
  // the linker needs our linker script as file
  let rustflags = target.rustflags();
  if matches!(target, Target::RiscV) {

crates/transcode/Cargo.toml

@@ -40,8 +40,8 @@ thiserror = "1.0.40"
 [dev-dependencies]
 assert_matches = "1.5.0"
 ink = "4.2.0"
-sp-core = "20.0.0"
-sp-keyring = "23.0.0"
+sp-core = "21.0.0"
+sp-keyring = "24.0.0"
 
 [features]
 # This `std` feature is required for testing using an inline contract's metadata, because `ink!` annotates the metadata