index.mjs
 1  // Copyright 2025 PRAGMA
 2  //
 3  // Licensed under the Apache License, Version 2.0 (the "License");
 4  // you may not use this file except in compliance with the License.
 5  // You may obtain a copy of the License at
 6  //
 7  //     http://www.apache.org/licenses/LICENSE-2.0
 8  //
 9  // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  import fs from "node:fs/promises";
16  
17  const wasmBuffer = await fs.readFile(
18    "assets/amaru_example_ledger_in_nodejs.wasm",
19  );
20  const wasm = await WebAssembly.instantiate(wasmBuffer, {});
21  
22  wasm.instance.exports.ledger();
23  
24  console.log("Done");