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Use ethers.js Mnemonic for real BIP-39 phrase generation
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Replace stub wordlist with ethers.Mnemonic.fromEntropy() using
crypto.getRandomValues(). Add esbuild to bundle popup JS so it
can import ethers directly — no background messaging needed.
Each die click now generates a valid, random BIP-39 mnemonic.
This commit is contained in:
Jeffrey Paul
2026-02-25 15:40:41 +07:00
parent a967029511
commit da30c0667f
5 changed files with 219 additions and 185 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
README.md
View File

@@ -205,12 +205,13 @@ delegated to these libraries — see the Crypto Policy section below.
Dev dependencies (not shipped in extension): Dev dependencies (not shipped in extension):
| Package | Version | License | Purpose | | Package | Version | License | Purpose |
| ------------------ | ------- | ------- | --------------- | | ------------------ | ------- | ------- | ------------------------- |
| `tailwindcss` | 4.2.1 | MIT | CSS compilation | | `esbuild` | 0.27.3 | MIT | JS bundler (inlines deps) |
| `@tailwindcss/cli` | 4.2.1 | MIT | Tailwind CLI | | `tailwindcss` | 4.2.1 | MIT | CSS compilation |
| `jest` | 30.2.0 | MIT | Test runner | | `@tailwindcss/cli` | 4.2.1 | MIT | Tailwind CLI |
| `prettier` | 3.8.1 | MIT | Code formatter | | `jest` | 30.2.0 | MIT | Test runner |
| `prettier` | 3.8.1 | MIT | Code formatter |
### Crypto Policy ### Crypto Policy

72
build.js
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@@ -1,6 +1,7 @@
const fs = require("fs"); const fs = require("fs");
const path = require("path"); const path = require("path");
const { execSync } = require("child_process"); const { execSync } = require("child_process");
const esbuild = require("esbuild");
const DIST_CHROME = path.join(__dirname, "dist", "chrome"); const DIST_CHROME = path.join(__dirname, "dist", "chrome");
const DIST_FIREFOX = path.join(__dirname, "dist", "firefox"); const DIST_FIREFOX = path.join(__dirname, "dist", "firefox");
@@ -10,24 +11,7 @@ function ensureDir(dir) {
fs.mkdirSync(dir, { recursive: true }); fs.mkdirSync(dir, { recursive: true });
} }
function copyDir(src, dest, opts = {}) { async function build() {
ensureDir(dest);
const entries = fs.readdirSync(src, { withFileTypes: true });
for (const entry of entries) {
const srcPath = path.join(src, entry.name);
const destPath = path.join(dest, entry.name);
if (opts.skip && opts.skip.includes(entry.name)) {
continue;
}
if (entry.isDirectory()) {
copyDir(srcPath, destPath, opts);
} else {
fs.copyFileSync(srcPath, destPath);
}
}
}
function build() {
console.log("Building AutistMask extension..."); console.log("Building AutistMask extension...");
// compile tailwind CSS // compile tailwind CSS
@@ -40,21 +24,49 @@ function build() {
{ stdio: "inherit" }, { stdio: "inherit" },
); );
// copy source files (skip the styles dir, we compiled it)
for (const distDir of [DIST_CHROME, DIST_FIREFOX]) { for (const distDir of [DIST_CHROME, DIST_FIREFOX]) {
ensureDir(distDir); ensureDir(path.join(distDir, "src", "popup"));
copyDir(path.join(SRC, "popup"), path.join(distDir, "src", "popup"), { ensureDir(path.join(distDir, "src", "background"));
skip: ["styles"], ensureDir(path.join(distDir, "src", "content"));
// bundle popup JS with esbuild (inlines ethers, libsodium, etc.)
await esbuild.build({
entryPoints: [path.join(SRC, "popup", "index.js")],
bundle: true,
format: "iife",
outfile: path.join(distDir, "src", "popup", "index.js"),
platform: "browser",
target: ["chrome110", "firefox110"],
minify: true,
}); });
copyDir(
path.join(SRC, "background"), // bundle background script
path.join(distDir, "src", "background"), await esbuild.build({
entryPoints: [path.join(SRC, "background", "index.js")],
bundle: true,
format: "iife",
outfile: path.join(distDir, "src", "background", "index.js"),
platform: "browser",
target: ["chrome110", "firefox110"],
minify: true,
});
// bundle content script
await esbuild.build({
entryPoints: [path.join(SRC, "content", "index.js")],
bundle: true,
format: "iife",
outfile: path.join(distDir, "src", "content", "index.js"),
platform: "browser",
target: ["chrome110", "firefox110"],
minify: true,
});
// copy popup HTML
fs.copyFileSync(
path.join(SRC, "popup", "index.html"),
path.join(distDir, "src", "popup", "index.html"),
); );
copyDir(
path.join(SRC, "content"),
path.join(distDir, "src", "content"),
);
copyDir(path.join(SRC, "shared"), path.join(distDir, "src", "shared"));
// place compiled CSS next to popup HTML // place compiled CSS next to popup HTML
fs.copyFileSync( fs.copyFileSync(

1
package.json
View File

@@ -14,6 +14,7 @@
}, },
"devDependencies": { "devDependencies": {
"@tailwindcss/cli": "^4.2.1", "@tailwindcss/cli": "^4.2.1",
"esbuild": "^0.27.3",
"jest": "^30.2.0", "jest": "^30.2.0",
"prettier": "^3.8.1", "prettier": "^3.8.1",
"tailwindcss": "^4.2.1" "tailwindcss": "^4.2.1"

156
src/popup/index.js
View File

@@ -1,5 +1,5 @@
// AutistMask popup UI — view management and event wiring // AutistMask popup UI — view management and event wiring
// All wallet logic will live in background/; this file is purely UI. const { Mnemonic } = require("ethers");
const VIEWS = [ const VIEWS = [
"lock", "lock",
@@ -70,153 +70,11 @@ function makeStubAddress() {
}; };
} }
// Stub wordlist for random phrase generation. function generateMnemonic() {
// TODO: replace with real BIP-39 generation via background. const wallet = Mnemonic.fromEntropy(
const STUB_WORDLIST = [ globalThis.crypto.getRandomValues(new Uint8Array(16)),
"abandon", );
"ability", return wallet.phrase;
"able",
"about",
"above",
"absent",
"absorb",
"abstract",
"absurd",
"abuse",
"access",
"accident",
"account",
"accuse",
"achieve",
"acid",
"acoustic",
"acquire",
"across",
"act",
"action",
"actor",
"actual",
"adapt",
"add",
"addict",
"address",
"adjust",
"admit",
"adult",
"advance",
"advice",
"aerobic",
"affair",
"afford",
"afraid",
"again",
"age",
"agent",
"agree",
"ahead",
"aim",
"air",
"airport",
"aisle",
"alarm",
"album",
"alcohol",
"alert",
"alien",
"all",
"alley",
"allow",
"almost",
"alone",
"alpha",
"already",
"also",
"alter",
"always",
"amateur",
"amazing",
"among",
"amount",
"amused",
"analyst",
"anchor",
"ancient",
"anger",
"angle",
"angry",
"animal",
"ankle",
"announce",
"annual",
"another",
"answer",
"antenna",
"antique",
"anxiety",
"any",
"apart",
"apology",
"appear",
"apple",
"approve",
"april",
"arch",
"arctic",
"area",
"arena",
"argue",
"arm",
"armed",
"armor",
"army",
"around",
"arrange",
"arrest",
"arrive",
"arrow",
"art",
"artefact",
"artist",
"artwork",
"ask",
"aspect",
"assault",
"asset",
"assist",
"assume",
"asthma",
"athlete",
"atom",
"attack",
"attend",
"attitude",
"attract",
"auction",
"audit",
"august",
"aunt",
"author",
"auto",
"autumn",
"average",
"avocado",
"avoid",
"awake",
"aware",
"awesome",
"awful",
"awkward",
"axis",
];
function generateStubMnemonic() {
const phrase = [];
for (let i = 0; i < 12; i++) {
const bytes = new Uint32Array(1);
crypto.getRandomValues(bytes);
phrase.push(STUB_WORDLIST[bytes[0] % STUB_WORDLIST.length]);
}
return phrase.join(" ");
} }
// -- render wallet list on main view -- // -- render wallet list on main view --
@@ -409,7 +267,7 @@ function init() {
// -- Add wallet (unified create/import) -- // -- Add wallet (unified create/import) --
$("btn-generate-phrase").addEventListener("click", () => { $("btn-generate-phrase").addEventListener("click", () => {
const phrase = generateStubMnemonic(); const phrase = generateMnemonic();
$("wallet-mnemonic").value = phrase; $("wallet-mnemonic").value = phrase;
$("add-wallet-phrase-warning").classList.remove("hidden"); $("add-wallet-phrase-warning").classList.remove("hidden");
}); });

162
yarn.lock
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@@ -297,6 +297,136 @@
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@@ -1364,6 +1494,38 @@ error-ex@^1.3.1:
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"@esbuild/sunos-x64" "0.27.3"
"@esbuild/win32-arm64" "0.27.3"
"@esbuild/win32-ia32" "0.27.3"
"@esbuild/win32-x64" "0.27.3"
escalade@^3.1.1, escalade@^3.2.0: escalade@^3.1.1, escalade@^3.2.0:
version "3.2.0" version "3.2.0"
resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.2.0.tgz#011a3f69856ba189dffa7dc8fcce99d2a87903e5" resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.2.0.tgz#011a3f69856ba189dffa7dc8fcce99d2a87903e5"