feat(compiler): add CompilerCli8 class

package.json

@@ -43,7 +43,7 @@
   },
   "sideEffects": false,
   "scripts": {
-    "build:assets": "node tooling/fetch-aesophia-cli.mjs",
+    "build:assets": "node tooling/fetch-aesophia-cli.mjs && node tooling/fetch-aesophia-cli-8.mjs",
     "build:types": "tsc && node tooling/downlevel/run.mjs",
     "build:es": "babel src --config-file ./babel.esm.config.js --out-dir es --extensions .js,.ts --out-file-extension .mjs --source-maps true",
     "build:api:node": "autorest tooling/autorest/node.yaml",

src/contract/compiler/Cli.ts

@@ -9,7 +9,7 @@ import { CompilerError, InternalError, UnsupportedVersionError } from '../../uti
 import semverSatisfies from '../../utils/semver-satisfies';
 import { ensureError } from '../../utils/other';
 
-const getPackagePath = (): string => {
+export const getPackagePath = (): string => {
   const path = dirname(fileURLToPath(import.meta.url));
   if (basename(path) === 'dist') return resolve(path, '..');
   if (basename(path) === 'compiler') return resolve(path, '../../..');
@@ -19,6 +19,7 @@ const getPackagePath = (): string => {
 /**
  * A wrapper around aesophia_cli, available only in Node.js.
  * Requires Erlang installed, assumes that `escript` is available in PATH.
+ * @category contract
  */
 export default class CompilerCli extends CompilerBase {
   #path: string;
@@ -38,7 +39,7 @@ export default class CompilerCli extends CompilerBase {
     this.#path = compilerPath;
     if (ignoreVersion !== true) {
       this.#ensureCompatibleVersion = this.version().then((version) => {
-        const versions = [version, '7.2.1', '8.0.0'] as const;
+        const versions = [version, '7.2.1', '9.0.0'] as const;
         if (!semverSatisfies(...versions)) throw new UnsupportedVersionError('compiler', ...versions);
       });
     }

src/contract/compiler/Cli8.ts

@@ -0,0 +1,17 @@
+import { resolve } from 'path';
+import CompilerCli, { getPackagePath } from './Cli';
+
+/**
+ * @category contract
+ */
+export default class CompilerCli8 extends CompilerCli {
+  /**
+   * @param options - Options
+   * @param options.ignoreVersion - Don't ensure that the compiler is supported
+   */
+  constructor(
+    { ignoreVersion }: { ignoreVersion?: boolean } = {},
+  ) {
+    super(resolve(getPackagePath(), './bin/aesophia_cli_8'), { ignoreVersion });
+  }
+}

src/index.ts

@@ -1,5 +1,6 @@
 export * from './index-browser';
 
 export { default as CompilerCli } from './contract/compiler/Cli';
+export { default as CompilerCli8 } from './contract/compiler/Cli8';
 export { default as getFileSystem } from './contract/compiler/getFileSystem';
 export { default as CompilerHttpNode } from './contract/compiler/HttpNode';

tooling/fetch-aesophia-cli-8.mjs

@@ -0,0 +1,25 @@
+import { createHash } from 'crypto';
+import { dirname } from 'path';
+import { writeFileSync, readFileSync, mkdirSync } from 'fs';
+
+const path = './bin/aesophia_cli_8';
+const hash = 'tZdsd7XH1e4C10MIzM0TY0IFcpkPBZqZMPdJ1ln9GDVsgjVCCK86YKCK5KtKqQzhNKSXaE01ZjAfTEYOSV7uIg==';
+
+function ensureBinaryCorrect() {
+  const buffer = readFileSync(path);
+  const h = createHash('sha512').update(buffer).digest('base64');
+  if (h !== hash) throw new Error('Wrong hash');
+}
+
+try {
+  ensureBinaryCorrect();
+} catch {
+  console.log('Fetching aesophia_cli_8');
+  const request = await fetch(
+    'https://github.com/aeternity/aesophia_cli/raw/df63ff9f4fdcfc437c90b90914fd1a7081d2bbbe/aesophia_cli',
+  );
+  const body = Buffer.from(await request.arrayBuffer());
+  mkdirSync(dirname(path), { recursive: true });
+  writeFileSync(path, body);
+  ensureBinaryCorrect();
+}