Remove option to use wasm-opt CLI

crates/cargo-contract/Cargo.toml

@@ -40,8 +40,7 @@ serde_json = "1.0.85"
 tempfile = "3.3.0"
 url = { version = "2.3.1", features = ["serde"] }
 impl-serde = "0.4.0"
-regex = "1.6.0"
-wasm-opt = { version = "0.110.0", optional = true }
+wasm-opt = "0.110.0"
 
 # dependencies for extrinsics (deploying and calling a contract)
 async-std = { version = "1.12.0", features = ["attributes", "tokio1"] }
@@ -71,9 +70,8 @@ predicates = "2.1.1"
 [features]
 # This `std` feature is required for testing using an inline contract's metadata, because `ink!` annotates the metadata
 # generation code with `#[cfg(feature = "std")]`.
-default = ["std", "integrated-wasm-opt"]
+default = ["std"]
 std = []
-integrated-wasm-opt = ["wasm-opt"]
 
 # Enable this to execute long running tests, which usually are only run on the CI server
 #

crates/cargo-contract/src/main.rs

@@ -50,6 +50,7 @@ use std::{
     str::FromStr,
 };
 
+use ::wasm_opt::OptimizationOptions;
 use anyhow::{
     anyhow,
     Error,
@@ -71,6 +72,12 @@ use assert_cmd as _;
 #[cfg(test)]
 use predicates as _;
 
+#[cfg(test)]
+use regex as _;
+
+// Only used on windows.
+use which as _;
+
 #[derive(Debug, Parser)]
 #[clap(bin_name = "cargo")]
 #[clap(version = env!("CARGO_CONTRACT_CLI_IMPL_VERSION"))]
@@ -158,6 +165,22 @@ impl From<String> for OptimizationPasses {
     }
 }
 
+impl From<OptimizationPasses> for OptimizationOptions {
+    fn from(passes: OptimizationPasses) -> OptimizationOptions {
+        match passes {
+            OptimizationPasses::Zero => OptimizationOptions::new_opt_level_0(),
+            OptimizationPasses::One => OptimizationOptions::new_opt_level_1(),
+            OptimizationPasses::Two => OptimizationOptions::new_opt_level_2(),
+            OptimizationPasses::Three => OptimizationOptions::new_opt_level_3(),
+            OptimizationPasses::Four => OptimizationOptions::new_opt_level_4(),
+            OptimizationPasses::S => OptimizationOptions::new_optimize_for_size(),
+            OptimizationPasses::Z => {
+                OptimizationOptions::new_optimize_for_size_aggressively()
+            }
+        }
+    }
+}
+
 #[derive(Default, Clone, Debug, Args)]
 pub struct VerbosityFlags {
     /// No output printed to stdout