feat: tansu-DAO-gated registry manager contract

.gitignore

@@ -6,3 +6,6 @@ test_snapshots/
 .vscode/
 .idea/
 .DS_Store
+
+# Per-run state from e2e-real-tansu-testnet.sh setup
+contracts/registry-tansu-manager/e2e-real-tansu-state-*.env

Cargo.toml

@@ -4,6 +4,8 @@ default-members = ["crates/*"]
 members = [
     "crates/*",
     "contracts/registry",
+    "contracts/registry-tansu-manager",
+    "contracts/hello",
     "contracts/test/*",
     "crates/stellar-scaffold-test/fixtures/contracts/*",
 ]

contracts/hello/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "hello"
+description = "Hello world example contract used by the registry-tansu-manager e2e script."
+version = "0.1.0"
+license = "Apache-2.0"
+edition = "2021"
+publish = false
+
+[lib]
+crate-type = ["cdylib"]
+doctest = false
+
+[dependencies]
+soroban-sdk = { workspace = true }
+
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }
+
+[package.metadata.stellar]
+cargo_inherit = true

contracts/hello/src/lib.rs

@@ -0,0 +1,40 @@
+#![no_std]
+
+use soroban_sdk::{contract, contractimpl, Address, Env, String};
+
+#[contract]
+pub struct Hello;
+
+#[contractimpl]
+impl Hello {
+    pub fn __constructor(env: &Env, admin: &Address) {
+        env.storage().instance().set(&"admin", admin);
+    }
+
+    pub fn admin(env: &Env) -> Address {
+        env.storage().instance().get(&"admin").unwrap()
+    }
+
+    pub fn hello(_env: &Env, to: String) -> String {
+        to
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use soroban_sdk::testutils::Address as _;
+
+    #[test]
+    fn hello_echoes() {
+        let env = Env::default();
+        let admin = Address::generate(&env);
+        let id = env.register(Hello, (admin.clone(),));
+        let c = HelloClient::new(&env, &id);
+        assert_eq!(
+            c.hello(&String::from_str(&env, "world")),
+            String::from_str(&env, "world")
+        );
+        assert_eq!(c.admin(), admin);
+    }
+}

contracts/registry-tansu-manager/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "registry-tansu-manager"
+description = "Tansu-DAO-gated manager for the stellar registry."
+version = "0.1.0"
+license = "Apache-2.0"
+edition = "2021"
+publish = false
+repository = "https://github.com/theahaco/scaffold-stellar/tree/main/contracts/registry-tansu-manager"
+
+[lib]
+crate-type = ["cdylib"]
+doctest = false
+
+[dependencies]
+soroban-sdk = { workspace = true }
+soroban-sdk-tools = "0.1.2"
+stellar-registry = { workspace = true }
+# Build-order signal so `stellar scaffold build` produces `tansu_stub.wasm`
+# before this crate compiles `import_contract_client!(tansu_stub)`. The stub
+# is the single source of truth for the Tansu proposal types — pattern mirrors
+# `contracts/registry`'s dev-dep on `hello_world`.
+tansu-stub = { path = "../test/tansu-stub" }
+
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }
+soroban-sdk-tools = { version = "0.1.2", features = ["testutils"] }
+
+[package.metadata.stellar]
+cargo_inherit = true