Add ci workflow

.dockerignore

@@ -1 +1,14 @@
-src/public
+.git
+.github
+.gitignore
+.gitmodules
+.prettierrc
+artillery.yml
+Dockerfile
+pod.yaml
+README.md
+remix-project.patch
+node_modules
+remix-project
+public
+test

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: 'npm'
+
+      - name: Install packages
+        run: npm ci
+
+      - name: Install solc
+        run: |
+          mkdir -p solc
+          wget https://github.com/ethereum/solidity/releases/download/v0.8.26/solc-static-linux \
+            -O solc/solc && chmod +x solc/solc
+          echo "$(pwd)/solc/" >> $GITHUB_PATH
+
+      - name: Install resolc
+        run: |
+          mkdir -p resolc
+          wget https://github.com/smiasojed/revive/releases/download/0.0.1/resolc \
+            -O resolc/resolc && chmod +x resolc/resolc
+          echo "$(pwd)/resolc/" >> $GITHUB_PATH
+
+      - name: Test
+        run: npm test
+        timeout-minutes: 5

.github/workflows/release-image.yml

@@ -8,7 +8,7 @@ jobs:
   push_to_registry:
     name: Push Docker image to Docker Hub
     runs-on: ubuntu-latest
-    environment: master
+    environment: main
     steps:
       - name: Check out the repo
         uses: actions/checkout@v4

Dockerfile

@@ -22,6 +22,7 @@ WORKDIR /app
 COPY package*.json ./
 RUN npm ci --only=production
 COPY utils/ ./utils
+COPY config/ ./config
 COPY server.js ./
 RUN chown -R node:node /app
 

config/config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  server: {
+    port: 3000,
+    compilationTimeout: 10000,
+  },
+};

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "main": "server.js",
   "scripts": {
-    "test": "mocha",
+    "test": "mocha --exit",
     "start": "node server.js",
     "format": "prettier --write \"**/*.{js,mjs}\"",
     "load-test": "artillery run artillery.yml"

server.js

@@ -10,9 +10,9 @@ const { body, validationResult } = require('express-validator');
 const async = require('async');
 const os = require('os');
 const { getErrorMessage } = require('./utils/errorHandler');
+const config = require('./config/config');
 
 const app = express();
-const port = 3000;
 
 // Logger function for JSON format
 const log = (level, message, meta = {}) => {
@@ -75,7 +75,9 @@ const numCPUs = os.cpus().length;
 // Create an async queue that processes compilation tasks
 const queue = async.queue((task, done) => {
   const { cmd, input } = task;
-  const solc = spawn('resolc', [cmd], { timeout: 10 * 1000 });
+  const solc = spawn('resolc', [cmd], {
+    timeout: config.server.compilationTimeout,
+  });
   let stdout = '';
   let stderr = '';
 
@@ -252,8 +254,8 @@ function handleResult(request, response, end, result) {
 }
 
 if (require.main === module) {
-  const server = app.listen(port, () => {
-    log('info', `solc proxy server listening to ${port}`);
+  const server = app.listen(config.server.port, () => {
+    log('info', `solc proxy server listening to ${config.server.port}`);
     log('info', `Set number of workers to ${numCPUs}`);
   });
   server.requestTimeout = 5000;

test/server.test.mjs

@@ -1,8 +1,67 @@
 import request from 'supertest';
 import { expect } from 'chai';
 import app from '../server.js';
+import config from '../config/config.js';
+
+const compilerInput = {
+  language: 'Solidity',
+  sources: {
+    'MyContract.sol': {
+      content: `
+        // SPDX-License-Identifier: UNLICENSED
+        pragma solidity ^0.8.0; 
+        contract MyContract { 
+          function greet() public pure returns (string memory) { 
+            return "Hello"; 
+          } 
+        }
+      `,
+    },
+  },
+  settings: {
+    optimizer: {
+      enabled: true,
+      runs: 200,
+    },
+    outputSelection: {
+      '*': {
+        '*': ['abi'],
+      },
+    },
+  },
+};
+
+describe('Revive Remix Backend tests', function () {
+  describe('Shorter compilation timeout', () => {
+    const originalCompilationTimeout = config.server.compilationTimeout;
+
+    before(() => {
+      config.server.compilationTimeout = 1; // Set shorter timeout for these tests
+    });
+
+    after(() => {
+      // Restore the original compilation timeout after the tests
+      config.server.compilationTimeout = originalCompilationTimeout;
+    });
+
+    it('should return 500 for compiler execution timeout on /solc endpoint', function (done) {
+      const inputString = JSON.stringify(compilerInput);
+
+      request(app)
+        .post('/solc')
+        .send({
+          cmd: '--standard-json',
+          input: inputString,
+        })
+        .end((err, res) => {
+          if (err) return done(err);
+
+          expect(res.status).to.equal(500);
+          done();
+        });
+    });
+  });
 
-describe('Express Server', function () {
   it('should return 200 on /metrics endpoint', function (done) {
     request(app).get('/metrics').expect(200, done);
   });
@@ -15,35 +74,6 @@ describe('Express Server', function () {
   });
 
   it('should return 200 OK for valid --standard-json cmd on /solc endpoint', function (done) {
-    const compilerInput = {
-      language: 'Solidity',
-      sources: {
-        'MyContract.sol': {
-          content: `
-            // SPDX-License-Identifier: GPL-3.0
-            pragma solidity ^0.8.0; 
-            contract MyContract { 
-              function greet() public pure returns (string memory) { 
-                return "Hello"; 
-              } 
-            }
-          `,
-        },
-      },
-      settings: {
-        optimizer: {
-          enabled: true,
-          runs: 200,
-        },
-        outputSelection: {
-          '*': {
-            '*': ['abi'],
-          },
-        },
-      },
-    };
-
-    // Stringify the compiler input as required
     const inputString = JSON.stringify(compilerInput);
 
     request(app)
@@ -75,12 +105,12 @@ describe('Express Server', function () {
   });
 
   it('should return 200 OK with missing import error for --standard-json cmd on /solc endpoint', function (done) {
-    const compilerInput = {
-      language: 'Solidity',
+    const compilerInputWithImport = {
+      ...compilerInput,
       sources: {
         'MyContract.sol': {
           content: `
-            // SPDX-License-Identifier: GPL-3.0
+            // SPDX-License-Identifier: UNLICENSED
             pragma solidity ^0.8.0; 
             import "hardhat/console.sol";
             contract MyContract { 
@@ -91,21 +121,10 @@ describe('Express Server', function () {
           `,
         },
       },
-      settings: {
-        optimizer: {
-          enabled: true,
-          runs: 200,
-        },
-        outputSelection: {
-          '*': {
-            '*': ['abi'],
-          },
-        },
-      },
     };
 
     // Stringify the compiler input as required
-    const inputString = JSON.stringify(compilerInput);
+    const inputString = JSON.stringify(compilerInputWithImport);
 
     request(app)
       .post('/solc')
@@ -116,7 +135,6 @@ describe('Express Server', function () {
       .end((err, res) => {
         if (err) return done(err);
 
-        // Assert status is 200 OK
         expect(res.status).to.equal(200);
         // Check that the response contains the compiled contract
         const response = JSON.parse(res.text);