Add revive-node version

eslint.config.mjs

@@ -6,6 +6,7 @@ import tseslint from "typescript-eslint";
 /** @type {import('eslint').Linter.Config[]} */
 export default [
   {files: ["**/*.{js,mjs,cjs,ts}"]},
+  {ignores: ["**/resolc.js"]},
   {languageOptions: { globals: globals.browser }},
   pluginJs.configs.recommended,
   ...tseslint.configs.recommended,

package.json

@@ -17,10 +17,11 @@
         "dist"
     ],
     "scripts": {
-        "build": "tsc",
+        "build": "tsc && cp src/resolc.wasm dist/ && cp src/resolc.js dist/",
         "lint": "npx eslint 'src/**/*.{cjs,js,ts}' && npx prettier --check '**/*.{ts,json,yml,md}'",
         "lint:fix": "npx prettier --write '**/*.{ts,json,yml,md}'",
-        "test": "npm run build && node ./dist/index.test.js"
+        "test": "npm run build && node ./dist/index.test.js",
+        "download:revive": "echo 'TODO: Download Revive release from github'"
     },
     "devDependencies": {
         "@eslint/js": "^9.14.0",

src/index.ts

@@ -1,5 +1,7 @@
 import solc from 'solc'
+import soljson from 'solc/soljson'
 import path from 'path'
+import createRevive from './resolc.js'
 import { existsSync, readFileSync } from 'fs'
 
 type SolcInput = {
@@ -88,36 +90,41 @@ export async function compile(sources: SolcInput): Promise<SolcOutput> {
     // compile with solc to resolve all the imports
     sources = resolveInputs(sources)
 
-    const body = {
-        cmd: '--standard-json',
-        input: JSON.stringify({
-            language: 'Solidity',
-            sources,
-            settings: {
-                optimizer: { enabled: false, runs: 200 },
-                outputSelection: {
-                    '*': {
-                        '*': ['abi'],
-                    },
+    const input = JSON.stringify({
+        language: 'Solidity',
+        sources,
+        settings: {
+            optimizer: { enabled: false, runs: 200 },
+            outputSelection: {
+                '*': {
+                    '*': ['abi'],
                 },
             },
-        }),
-    }
-
-    const response = await fetch('https://remix-backend.polkadot.io/resolc', {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json',
         },
-        body: JSON.stringify(body),
     })
 
-    if (!response.ok) {
-        const text = await response.text().catch(() => '')
-        throw new Error(`${response.statusText}: ${text}`)
+    const revive = await createRevive()
+    revive.soljson = soljson
+    revive.setStdinData(input)
+
+    let stdout = ''
+    revive.setStdoutCallback(function (char: string) {
+        stdout += char
+    })
+
+    let stderr = ''
+    revive.setStderrCallback(function (char: string) {
+        stderr += char
+    })
+
+    // Compile the Solidity source code
+    const result = revive.callMain(['--standard-json'])
+
+    if (result) {
+        throw new Error(stderr)
     }
 
-    return (await response.json()) as SolcOutput
+    return JSON.parse(stdout) as SolcOutput
 }
 
 /**

src/resolc.d.ts

@@ -0,0 +1,2 @@
+export = createRevive
+declare function createRevive(moduleArg?)

src/solc.d.ts

@@ -81,3 +81,7 @@ declare module 'solc' {
         options?: { import: (path: string) => { contents: string } }
     ): string
 }
+declare module 'solc/soljson' {
+    const soljson: object
+    export default soljson
+}