feat: add 'set_buffer_bytes' ext fn

assembly/imports.ts

@@ -124,6 +124,9 @@ export declare function proxy_get_buffer_bytes(typ: BufferType, start: u32, leng
 // @ts-ignore: decorator
 @external("env", "proxy_get_buffer_status")
 export declare function proxy_get_buffer_status(typ: BufferType, length_ptr: ptr<usize>, flags_ptr: ptr<u32>): WasmResult;
+// @ts-ignore: decorator
+@external("env", "proxy_set_buffer_bytes")
+export declare function proxy_set_buffer_bytes(typ: BufferType, start: u32, length: u32, ptr: ptr<char>, size: usize): WasmResult;
 
 // HTTP
 // @ts-ignore: decorator

assembly/index.ts

@@ -11,5 +11,5 @@ export {
     HttpCallback, send_local_response, continue_request, continue_response, 
     proxy_set_effective_context, set_property, get_property, get_shared_data, set_shared_data, set_tick_period_milliseconds,
     register_shared_queue, resolve_shared_queue, enqueue_shared_queue, dequeue_shared_queue,
-    get_buffer_bytes, call_foreign_function
+    get_buffer_bytes, set_buffer_bytes, call_foreign_function
 } from "./runtime";

assembly/runtime.ts

@@ -599,6 +599,12 @@ export function get_buffer_bytes(typ: BufferTypeValues, start: u32, length: u32)
   return new ArrayBuffer(0);
 }
 
+// unclear if start and length are 64 or 32
+export function set_buffer_bytes(typ: BufferTypeValues, start: u32, size: u32, value: ArrayBuffer): WasmResultValues {
+  let result = imports.proxy_set_buffer_bytes(typ, start, size, changetype<usize>(value), value.byteLength);
+  return result;
+}
+
 // returning tuples is not supported.
 class BufferStatusResult {
   result: WasmResultValues;

examples/addheader/package.json

@@ -9,6 +9,6 @@
     "@solo-io/proxy-runtime": "file:../.."
   },
   "devDependencies": {
-    "assemblyscript": "^0.21.3"
+    "assemblyscript": "^0.27.24"
   }
 }

examples/auth/package.json

@@ -9,6 +9,6 @@
     "@solo-io/proxy-runtime": "file:../.."
   },
   "devDependencies": {
-    "assemblyscript": "^0.21.3"
+    "assemblyscript": "^0.27.24"
   }
 }