Fix stack overflow issue (#184)

.cargo/config.toml

@@ -14,5 +14,6 @@ rustflags = [
     "-Clink-arg=--pre-js=js/embed/pre.js",
     "-Clink-arg=-sNODEJS_CATCH_EXIT=0",
     "-Clink-arg=-sDISABLE_EXCEPTION_CATCHING=0",
+    "-Clink-arg=-sSTACK_SIZE=128kb",
     "-Copt-level=3"
 ]

js/e2e/web.test.js

@@ -26,7 +26,7 @@ async function runWorker(page, input) {
   }, input);
 }
 
-test('should successfully compile valid Solidity code in browser', async ({ page }) => {
+test('should successfully compile valid Solidity code in the browser', async ({ page }) => {
   await page.goto("http://127.0.0.1:8080");
   await page.setContent("");
   const standardInput = loadFixture('storage.json')
@@ -41,7 +41,7 @@ test('should successfully compile valid Solidity code in browser', async ({ page
   expect(output.contracts['fixtures/storage.sol'].Storage.evm).toHaveProperty('bytecode');
 });
 
-test('should successfully compile large valid Solidity code in browser', async ({ page }) => {
+test('should successfully compile large valid Solidity code in the browser', async ({ page }) => {
   await page.goto("http://127.0.0.1:8080");
   await page.setContent("");
   const standardInput = loadFixture('token.json')
@@ -56,7 +56,7 @@ test('should successfully compile large valid Solidity code in browser', async (
   expect(output.contracts['fixtures/token.sol'].MyToken.evm).toHaveProperty('bytecode');
 });
 
-test('should throw an error for invalid Solidity code in browser', async ({ page }) => {
+test('should throw an error for invalid Solidity code in the browser', async ({ page }) => {
   await page.goto("http://127.0.0.1:8080");
   await page.setContent("");
   const standardInput = loadFixture('invalid_contract_content.json')
@@ -71,7 +71,7 @@ test('should throw an error for invalid Solidity code in browser', async ({ page
   expect(output.errors[0].type).toContain('ParserError');
 });
 
-test('should return not found error for missing imports in browser', async ({page}) => {
+test('should return not found error for missing imports in the browser', async ({page}) => {
   await page.goto("http://127.0.0.1:8080");
   await page.setContent("");
   const standardInput = loadFixture('missing_import.json')
@@ -85,3 +85,37 @@ test('should return not found error for missing imports in browser', async ({pag
   expect(output.errors[0]).toHaveProperty('message');
   expect(output.errors[0].message).toContain('Source "nonexistent/console.sol" not found');
 });
+
+test('should successfully compile a valid Solidity contract that instantiates another contract in the browser', async ({ page }) => {
+  await page.goto("http://127.0.0.1:8080");
+  await page.setContent("");
+  const standardInput = loadFixture('instantiate.json')
+  const result = await runWorker(page, standardInput);
+
+  expect(typeof result).toBe('string');
+  let output = JSON.parse(result);
+  expect(output).toHaveProperty('contracts');
+  expect(output.contracts['fixtures/instantiate.sol']).toHaveProperty('ChildContract');
+  expect(output.contracts['fixtures/instantiate.sol'].ChildContract).toHaveProperty('abi');
+  expect(output.contracts['fixtures/instantiate.sol'].ChildContract).toHaveProperty('evm');
+  expect(output.contracts['fixtures/instantiate.sol'].ChildContract.evm).toHaveProperty('bytecode');
+  expect(output.contracts['fixtures/instantiate.sol']).toHaveProperty('MainContract');
+  expect(output.contracts['fixtures/instantiate.sol'].MainContract).toHaveProperty('abi');
+  expect(output.contracts['fixtures/instantiate.sol'].MainContract).toHaveProperty('evm');
+  expect(output.contracts['fixtures/instantiate.sol'].MainContract.evm).toHaveProperty('bytecode');
+});
+
+test('should successfully compile a valid Solidity contract that instantiates the token contracts in the browser', async ({ page }) => {
+  await page.goto("http://127.0.0.1:8080");
+  await page.setContent("");
+  const standardInput = loadFixture('instantiate_tokens.json')
+  const result = await runWorker(page, standardInput);
+
+  expect(typeof result).toBe('string');
+  let output = JSON.parse(result);
+  expect(output).toHaveProperty('contracts');
+  expect(output.contracts['fixtures/instantiate_tokens.sol']).toHaveProperty('TokensFactory');
+  expect(output.contracts['fixtures/instantiate_tokens.sol'].TokensFactory).toHaveProperty('abi');
+  expect(output.contracts['fixtures/instantiate_tokens.sol'].TokensFactory).toHaveProperty('evm');
+  expect(output.contracts['fixtures/instantiate_tokens.sol'].TokensFactory.evm).toHaveProperty('bytecode');
+});

js/fixtures/instantiate.json

@@ -0,0 +1,20 @@
+{
+    "language": "Solidity",
+    "sources": {
+      "fixtures/instantiate.sol": {
+        "content": "// SPDX-License-Identifier: GPL-3.0\npragma solidity >=0.8.2 <0.9.0;\ncontract ChildContract {\n    constructor() {\n    }\n}\ncontract MainContract {\n    constructor() {\n       ChildContract newContract = new ChildContract();\n    }\n}"
+      }
+    },
+    "settings": {
+      "optimizer": {
+        "enabled": true,
+        "runs": 200
+      },
+      "outputSelection": {
+        "*": {
+          "*": ["abi"]
+        }
+      }
+    }
+  }
+