instantiate externs for version check

FuelLabs · Oct 10, 2023 · c552b70 · c552b70
1 parent 820f7af
commit c552b70
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Showing 3 changed files with 35 additions and 4 deletions.
diff --git a/packages/fuel-indexer-api-server/src/api.rs b/packages/fuel-indexer-api-server/src/api.rs
@@ -174,7 +174,7 @@ impl IntoResponse for ApiError {
                 (StatusCode::BAD_REQUEST, format!("Invalid asset type: {e}"))
             }
             ApiError::ToolchainVersionMismatch{fuel_indexer_version, toolchain_version} => {
-                (StatusCode::METHOD_NOT_ALLOWED, format!("The toolchain version {toolchain_version} that the WASM module was compiled with does not match the fuel-indexer-versiion {fuel_indexer_version}"))
+                (StatusCode::METHOD_NOT_ALLOWED, format!("WASM module toolchain version `{toolchain_version}` does not match fuel-indexer version `{fuel_indexer_version}`"))
             }
             _ => (StatusCode::INTERNAL_SERVER_ERROR, generic_details),
         };

diff --git a/packages/fuel-indexer-api-server/src/ffi.rs b/packages/fuel-indexer-api-server/src/ffi.rs
@@ -1,11 +1,36 @@
-use wasmer::{AsStoreMut, Instance, MemoryView, StoreMut, WasmPtr};
+use wasmer::{
+    imports, AsStoreMut, Exports, Function, Instance, MemoryView, StoreMut, WasmPtr,
+};
 
 pub(crate) fn check_wasm_toolchain_version(data: Vec<u8>) -> anyhow::Result<String> {
     let mut store = wasmer::Store::default();
 
     let module = wasmer::Module::new(&store, data.clone())?;
 
-    let imports = wasmer::imports! {};
+    let mut exports = Exports::new();
+    exports.insert(
+        "ff_put_object".to_string(),
+        Function::new_typed(&mut store, |_: i64, _: i32, _: i32| {}),
+    );
+    exports.insert(
+        "ff_get_object".to_string(),
+        Function::new_typed(&mut store, |_: i64, _: i32, _: i32| 0i32),
+    );
+    exports.insert(
+        "ff_early_exit".to_string(),
+        Function::new_typed(&mut store, |_: i32| {}),
+    );
+    exports.insert(
+        "ff_put_many_to_many_record".to_string(),
+        Function::new_typed(&mut store, |_: i32, _: i32| {}),
+    );
+    exports.insert(
+        "ff_log_data".to_string(),
+        Function::new_typed(&mut store, |_: i32, _: i32, _: i32| {}),
+    );
+
+    let mut imports = imports! {};
+    wasmer::Imports::register_namespace(&mut imports, "env", exports);
 
     let instance = wasmer::Instance::new(&mut store, &module, &imports)?;
 

diff --git a/packages/fuel-indexer-api-server/src/uses.rs b/packages/fuel-indexer-api-server/src/uses.rs
@@ -403,7 +403,13 @@ async fn parse_register_indexer_multipart(
                 if asset_type == IndexerAssetType::Wasm {
                     toolchain_version =
                         crate::ffi::check_wasm_toolchain_version(data.clone().into())
-                            .unwrap_or("none".to_string());
+                            .map_err(|e| {
+                                tracing::warn!(
+                                    "Failed to get WASM module toolchain version: {e}"
+                                );
+                                e
+                            })
+                            .unwrap_or("unknown".to_string());
                 };
                 assets.push((asset_type, data.to_vec()));
             }