feat(solc): use svm-builds instead of fetching http releases list

ethers-solc/Cargo.toml

@@ -44,6 +44,7 @@ home = "0.5.3"
 # SVM is not WASM compatible yet.
 # svm = { package = "svm-rs", default-features = false, version = "0.2.7", optional = true }
 svm = { package = "svm-rs", default-features = false, git = "https://github.com/roynalnaruto/svm-rs", optional = true, features = ["blocking"] }
+svm-builds = { package = "svm-rs-builds", git = "https://github.com/roynalnaruto/svm-rs", optional = true}
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 # NOTE: this enables wasm compatibility for getrandom indirectly
@@ -69,17 +70,17 @@ harness = false
 [[test]]
 name = "project"
 path = "tests/project.rs"
-required-features = ["async", "svm", "project-util"]
+required-features = ["async", "svm", "svm-builds", "project-util"]
 
 [[test]]
 name = "mocked"
 path = "tests/mocked.rs"
-required-features = ["async", "svm", "project-util"]
+required-features = ["async", "svm", "svm-builds", "project-util"]
 
 [features]
 default = ["rustls"]
 async = ["tokio", "futures-util"]
-full = ["async", "svm", "svm/blocking"]
+full = ["async", "svm", "svm/blocking", "svm-builds"]
 # Utilities for creating and testing project workspaces
 project-util = ["tempfile", "fs_extra", "rand"]
 tests = []

ethers-solc/src/compile/mod.rs

@@ -63,17 +63,19 @@ pub(crate) fn take_solc_installer_lock() -> std::sync::MutexGuard<'static, ()> {
 
 /// A list of upstream Solc releases, used to check which version
 /// we should download.
-/// The boolean value marks whether there was an error.
-#[cfg(all(feature = "svm"))]
+/// The boolean value marks whether there was an error accessing the release list
+#[cfg(all(feature = "svm", feature = "svm-builds"))]
 pub static RELEASES: once_cell::sync::Lazy<(svm::Releases, Vec<Version>, bool)> =
-    once_cell::sync::Lazy::new(|| match svm::blocking_all_releases(svm::platform()) {
-        Ok(releases) => {
-            let sorted_versions = releases.clone().into_versions();
-            (releases, sorted_versions, true)
-        }
-        Err(err) => {
-            tracing::error!("{:?}", err);
-            (svm::Releases::default(), Vec::new(), false)
+    once_cell::sync::Lazy::new(|| {
+        match serde_json::from_str::<svm::Releases>(svm_builds::RELEASE_LIST_JSON) {
+            Ok(releases) => {
+                let sorted_versions = releases.clone().into_versions();
+                (releases, sorted_versions, true)
+            }
+            Err(err) => {
+                tracing::error!("{:?}", err);
+                (svm::Releases::default(), Vec::new(), false)
+            }
         }
     });