Add soroban governor submodule

.github/workflows/contracts-checks.yml

@@ -12,6 +12,8 @@ jobs:
         working-directory: ./contracts
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: recursive
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: wasm32-unknown-unknown

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "contracts/governor_wrapper/soroban-governor"]
+	path = contracts/governor_wrapper/soroban-governor
+	url = https://github.com/script3/soroban-governor.git

contracts/governor_wrapper/build.rs

@@ -0,0 +1,17 @@
+use std::path::Path;
+use std::process::Command;
+
+fn main() {
+    let soroban_governor_path = Path::new("soroban-governor");
+    let output = Command::new("make")
+        .current_dir(soroban_governor_path)
+        .arg("build")
+        .status()
+        .expect("Failed to build soroban-governor");
+    assert_eq!(
+        output.code().expect("Process did not exit correctly"),
+        0,
+        "Build failed"
+    );
+    println!("cargo::rerun-if-changed=soroban-governor");
+}

contracts/governor_wrapper/src/lib.rs

@@ -15,7 +15,7 @@ mod types;
 mod votes_admin {
     use soroban_sdk::contractimport;
 
-    contractimport!(file = "soroban_admin_votes.wasm");
+    contractimport!(file = "./soroban-governor/target/wasm32-unknown-unknown/optimized/soroban_admin_votes.wasm");
 }
 
 mod governance {

contracts/governor_wrapper/tests/e2e.rs

@@ -13,7 +13,7 @@ mod governance {
 mod admin_votes {
     use soroban_sdk::contractimport;
 
-    contractimport!(file = "./soroban_admin_votes.wasm");
+    contractimport!(file = "./soroban-governor/target/wasm32-unknown-unknown/optimized/soroban_admin_votes.wasm");
 }
 
 #[test]