feat: implement cross-contract test package reference

.github/workflows/ci-cd.yml

@@ -15,8 +15,6 @@ jobs:
   # Smart Contracts (Rust / Soroban)
   # ─────────────────────────────────────────────
   contracts:
-    # TODO: Contracts have pre-existing compilation errors (170 on main).
-    # This job is set to continue-on-error until the smart contracts are fixed.
     name: Contracts — Lint, Build, Test
     runs-on: ubuntu-latest
     env:
@@ -62,6 +60,19 @@ jobs:
           cd stellar-lend
           cargo test --verbose
 
+      - name: Run cross-contract tests
+        run: |
+          cd stellar-lend
+          cargo test --package hello-world --lib cross_contract_test 2>&1 | tee cross-contract-test-report.txt
+          grep "test result:" cross-contract-test-report.txt
+
+      - name: Upload cross-contract test report
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: cross-contract-test-report
+          path: stellar-lend/cross-contract-test-report.txt
+
       - name: Run security audit
         run: |
           cd stellar-lend

stellar-lend/contracts/hello-world/src/deposit.rs

@@ -49,6 +49,8 @@ pub enum DepositError {
     Overflow = 6,
     /// Reentrancy detected
     Reentrancy = 7,
+    /// Caller is not authorized
+    Unauthorized = 8,
 }
 
 /// Storage keys for deposit-related data
@@ -178,6 +180,19 @@ pub struct ProtocolAnalytics {
     pub total_value_locked: i128,
 }
 
+/// Set per-asset deposit parameters (admin-only). Caller must already be verified.
+pub fn set_asset_params(
+    env: &Env,
+    _caller: Address,
+    asset: Address,
+    params: AssetParams,
+) -> Result<(), DepositError> {
+    env.storage()
+        .persistent()
+        .set(&DepositDataKey::AssetParams(asset), &params);
+    Ok(())
+}
+
 /// Deposit collateral function
 ///
 /// Allows users to deposit assets as collateral in the protocol.

stellar-lend/contracts/hello-world/src/lib.rs

@@ -320,8 +320,39 @@ impl HelloContract {
     pub fn get_user_position(env: Env, user: Address) -> Result<Position, AnalyticsError> {
         analytics::get_user_position_summary(&env, &user)
     }
+
+    // -------------------------------------------------------------------------
+    // Asset Configuration
+    // -------------------------------------------------------------------------
+
+    /// Set per-asset deposit/collateral parameters (admin-only).
+    pub fn update_asset_config(
+        env: Env,
+        asset: Address,
+        params: deposit::AssetParams,
+    ) -> Result<(), deposit::DepositError> {
+        let admin = crate::admin::get_admin(&env).ok_or(deposit::DepositError::Unauthorized)?;
+        admin.require_auth();
+        deposit::set_asset_params(&env, admin, asset, params)
+    }
+
+    // -------------------------------------------------------------------------
+    // Flash Loan Configuration
+    // -------------------------------------------------------------------------
+
+    /// Configure flash loan parameters (admin-only).
+    pub fn configure_flash_loan(
+        env: Env,
+        caller: Address,
+        config: flash_loan::FlashLoanConfig,
+    ) -> Result<(), flash_loan::FlashLoanError> {
+        flash_loan::set_flash_loan_config(&env, caller, config)
+    }
 }
 
+#[cfg(test)]
+#[path = "tests/cross_contract_test.rs"]
+mod cross_contract_test;
 #[cfg(test)]
 mod flash_loan_test;
 #[cfg(test)]