feat(quantus-crypto): wormhole nullifiers

A deposit to a wormhole address is spent when its nullifier,
poseidon2(poseidon2(salt || secret || transfer_count)), is in
Wormhole::UsedNullifiers. Working out a wormhole balance means computing one
for each deposit. That needs the address's secret, which never leaves WASM.

wormholeNullifiers(mnemonic, password, account, branch, start, addresses,
first, count) returns them for a run of addresses and a run of transfer
counts. The BIP39 seed is stretched once per call; 40 addresses x 256 counts
takes 194 ms in node. A call is capped at 100,000 nullifiers.

This is ported onto qp-poseidon-core, not qp-wormhole-circuit, which would
bring plonky2 into the WASM. The circuit crate is a dev-dependency only, as
the reference: a known-answer test compares the port with
Nullifier::from_preimage across secrets at and above the Goldilocks-prime
limb edge and transfer counts across both 32-bit limbs, and asserts that
enough cases were actually compared rather than skipped.

The doc comments say to check nullifiers against a local copy of the spent
set, never by key: exits publish nullifiers, so a lookup names the exit.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012uDUodEcRbBwNRi3UCmw8f

.123current

@@ -1 +0,0 @@
-6.2.2

.123trigger

@@ -1,14 +0,0 @@
-7
-
-3.2.2
-3.2.3
-3.2.4
-
-4.0.2
-4.1.2
-
-6.1.2
-6.1.3
-6.1.4
-6.1.5
-6.2.2

.codeclimate.yml

@@ -1,20 +0,0 @@
-checks:
-  argument-count:
-    config:
-      threshold: 5
-  method-complexity:
-    config:
-      threshold: 7
-  method-count:
-    config:
-      threshold: 25
-  method-lines:
-    config:
-      threshold: 30
-
-exclude_patterns:
-- "**/*.spec.js"
-- "**/*.spec.ts"
-- "docs/**/*.js"
-- "**/test/**/*.js"
-- "packages/wasm-crypto-wasm/src/fflate.ts"

.eslintrc.js

@@ -1,19 +0,0 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-const base = require('@polkadot/dev/config/eslint.cjs');
-
-module.exports = {
-  ...base,
-  ignorePatterns: [
-    ...base.ignorePatterns,
-    '**/target/*',
-    '**/build-wasm/*'
-  ],
-  parserOptions: {
-    ...base.parserOptions,
-    project: [
-      './tsconfig.eslint.json'
-    ]
-  }
-};

.github/issue_template.md

@@ -1,50 +1,86 @@
 <!--
 
-For general support, howto, coding and bundling questions, please use the Substrate & Polkadot StackExchange at https://substrate.stackexchange.com/ and get other ecosystem developers involved. This issues in this repository are meant for the tracking of feature requests and bug reports.
+For general support, howto, coding and bundling questions, please
+use the Substrate & Polkadot StackExchange at
 
-While all issues are looked at non-bug and non-features would take quite a bit longer to get to and may yield less than satisfactory responses in this format.
+  https://substrate.stackexchange.com/
 
-Additionally, please ensure you have done a search on the existing and closed issues before logging a new request. This saves time on all sides.
+and get other ecosystem developers involved. This issues in this
+repository are meant for the tracking of feature requests and bug
+reports.
+
+While all issues are looked at non-bug and non-features would take
+quite a bit longer to get to and may yield less than satisfactory
+responses in this format.
+
+Additionally, please ensure you have done a search on the existing
+and closed issues before logging a new request. This saves time on
+all sides.
 
 -->
 
 
 * **I'm submitting a ...**
 
-<!--- Try and classify your actual report -->
+<!---
+
+REQUIRED:
+
+Classify the type of report your are submitting
+
+-->
 
   - [ ] Bug report
   - [ ] Feature request
-  - [ ] Support request (please bear the comments above in mind)
+  - [ ] Support request
   - [ ] Other
 
 
 * **What is the current behavior and expected behavior?**
 
-<!--- If you're describing a bug, tell us what should happen -->
-<!--- If you're suggesting a change/improvement, tell us how it should work -->
+<!---
+
+REQUIRED:
+
+If you're describing a bug, tell us what should happen. If you're
+suggesting a change/improvement, tell us how it should work.
+
+-->
 
 
 * **What is the motivation for changing the behavior?**
 
-<!--- Not obligatory, but suggest a motivation for the request -->
-<!--- or ideas how to implement the addition or change -->
+<!---
+
+OPTIONAL:
+
+Suggest a motivation for the request or ideas how to implement the
+addition or change
+
+-->
 
 
 * **Please tell us about your environment:**
 
-<!--- Include as many relevant details about the environment you experienced the issue in -->
-<!--- Also snsure that you have tested against the latest stable releases if a bug -->
+<!---
+
+REQUIRED:
+
+Include as many relevant details about the environment in which you
+experienced the issue. Also ensure that you have tested against the
+latest stable releases if you believe this to be a bug
+
+-->
 
   - Version:
   - Environment:
 
     - [ ] Node.js
     - [ ] Browser
-    - [ ] Other (limited support for other environments available)
+    - [ ] Other (limited support for other environments)
 
   - Language:
 
     - [ ] JavaScript
-    - [ ] TypeScript
+    - [ ] TypeScript (include tsc --version)
     - [ ] Other

.github/workflows/auto-approve.yml

@@ -9,8 +9,8 @@ jobs:
     if: "! startsWith(github.event.head_commit.message, '[CI Skip]') && (!github.event.pull_request || github.event.pull_request.head.repo.full_name == github.repository)"
     runs-on: ubuntu-latest
     steps:
-      - uses: jacogr/action-approve@master
+      - uses: jacogr/action-approve@795afd1dd096a2071d7ec98740661af4e853b7da
         with:
-          authors: jacogr
+          authors: jacogr, TarikGul, valentinfernandez1
           labels: -auto
           token: ${{ secrets.GH_PAT_BOT }}

.github/workflows/auto-merge.yml

@@ -8,9 +8,9 @@ jobs:
   merge:
     runs-on: ubuntu-latest
     steps:
-      - uses: jacogr/action-merge@master
+      - uses: jacogr/action-merge@d2d64b4545acd93b0a9575177d3d215ae3f92029
         with:
-          checks: build,lint,test
+          checks: pr (build),pr (lint),pr (test)
           labels: -auto
           strategy: squash
           token: ${{ secrets.GH_PAT_BOT }}

.github/workflows/lock.yml

@@ -10,16 +10,16 @@ jobs:
     env:
       YARN_ENABLE_SCRIPTS: false
     steps:
-      - uses: dessant/lock-threads@v2
+      - uses: dessant/lock-threads@c1b35aecc5cdb1a34539d14196df55838bb2f836
         with:
           github-token: ${{ secrets.GH_PAT_BOT }}
-          issue-lock-inactive-days: '7'
-          issue-lock-comment: >
+          issue-inactive-days: '7'
+          issue-comment: >
             This thread has been automatically locked since there has not been
             any recent activity after it was closed. Please open a new issue
             if you think you have a related problem or query.
-          pr-lock-inactive-days: '2'
-          pr-lock-comment: >
+          pr-inactive-days: '2'
+          pr-comment: >
             This pull request has been automatically locked since there
             has not been any recent activity after it was closed.
             Please open a new issue for related bugs.

.github/workflows/pr-any.yml

@@ -3,17 +3,28 @@ on: [pull_request]
 
 jobs:
   pr:
+    continue-on-error: true
     strategy:
       matrix:
-        step: ['lint', 'test', 'build']
-    name: ${{ matrix.step }}
+        step: ['lint', 'test', 'build', 'deno']
     runs-on: ubuntu-latest
     env:
       YARN_ENABLE_SCRIPTS: false
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 'lts/*'
+    - uses: denoland/setup-deno@v1
+      with:
+        deno-version: v1.42.x
     - name: ${{ matrix.step }}
+      if: always()
+      continue-on-error: true
       run: |
-        yarn install --immutable | grep -v 'YN0013'
-        ./scripts/install-build-deps.sh
+        yarn install --immutable
+        if [ "${{ matrix.step }}" != "lint" ]; then
+          ./scripts/install-build-deps.sh
+        fi
+        yarn polkadot-dev-deno-map
         yarn ${{ matrix.step }}

.github/workflows/push-master.yml

@@ -10,21 +10,27 @@ jobs:
     strategy:
       matrix:
         step: ['build:release']
-    name: ${{ matrix.step }}
     runs-on: ubuntu-latest
     env:
       YARN_ENABLE_SCRIPTS: false
       CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
-      GH_PAT: ${{ secrets.GH_PAT }}
-      GH_RELEASE_GITHUB_API_TOKEN: ${{ secrets.GH_PAT }}
+      GH_PAT: ${{ secrets.GH_PAT_BOT }}
+      GH_RELEASE_GITHUB_API_TOKEN: ${{ secrets.GH_PAT_BOT }}
       NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-        token: ${{ secrets.GH_PAT }}
+        token: ${{ secrets.GH_PAT_BOT }}
+        ref: ${{ github.ref }}
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 'lts/*'
+    - name: Set Execute Permissions
+      run: chmod +x ./scripts/*
+    - name: Run Install Build Deps
+      run: bash ./scripts/install-build-deps.sh
     - name: build
       run: |
-        yarn install --immutable | grep -v 'YN0013'
-        ./scripts/install-build-deps.sh
+        yarn install --immutable
         yarn ${{ matrix.step }}

.github/workflows/semgrep.yml

@@ -1,20 +0,0 @@
-name: Semgrep
-on:
-  pull_request: {}
-  push:
-    branches:
-      - master
-
-jobs:
-  check:
-    if: "! startsWith(github.event.head_commit.message, '[CI Skip]') && (!github.event.pull_request || github.event.pull_request.head.repo.full_name == github.repository)"
-    runs-on: ubuntu-latest
-    env:
-      YARN_ENABLE_SCRIPTS: false
-    steps:
-      - uses: actions/checkout@v2
-      - uses: returntocorp/semgrep-action@v1
-        with:
-          auditOn: push
-          publishToken: ${{ secrets.SEMGREP_APP_TOKEN }}
-          publishDeployment: 1395

.github/workflows/stale.yml

@@ -1,19 +0,0 @@
-name: 'Close stale issues and PRs'
-on:
-  schedule:
-    - cron: '35 1/3 * * *'
-
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    env:
-      YARN_ENABLE_SCRIPTS: false
-    steps:
-      - uses: actions/stale@v3
-        with:
-          repo-token: ${{ secrets.GH_PAT_BOT }}
-          stale-issue-message: 'This issue has been open for 21 days with no activity and is not labelled as an enhancement. It will be closed in 7 days.'
-          stale-issue-label: 'stale'
-          exempt-issue-labels: '-size-l,-size-m,-size-s,-size-xl,-size-xs,[bug]'
-          days-before-stale: 21
-          days-before-close: 7

.gitignore

@@ -1,19 +1,19 @@
 binaryen/
+binaryen-quantus/
 bindgen/
+bindgen-quantus/
 build/
-build-cjs/
-build-esm/
-build-deno/
-build-docs/
-build-wasm/
+build-*/
+build-test/
 bytes/
 coverage/
-docs/.vuepress/dist/
 node_modules/
 pkg/
 target/
 tmp/
 wabt/
+/import_map.json
+/mod.ts
 .DS_Store
 .env.local
 .env.development.local

.prettierrc.cjs

@@ -1,4 +1,4 @@
-// Copyright 2017-2022 @polkadot/dev authors & contributors
+// Copyright 2017-2026 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 module.exports = require('@polkadot/dev/config/prettier.cjs');

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "eslint.enable": true,
+  "eslint.experimental.useFlatConfig": true
+}

.yarnrc.yml

@@ -1,13 +1,15 @@
+compressionLevel: mixed
+
+enableGlobalCache: false
+
 enableImmutableInstalls: false
 
 enableProgressBars: false
 
+logFilters:
+  - code: YN0013
+    level: discard
+
 nodeLinker: node-modules
 
-plugins:
-  - path: .yarn/plugins/@yarnpkg/plugin-interactive-tools.cjs
-    spec: "@yarnpkg/plugin-interactive-tools"
-  - path: .yarn/plugins/@yarnpkg/plugin-version.cjs
-    spec: "@yarnpkg/plugin-version"
-
-yarnPath: .yarn/releases/yarn-3.2.0.cjs
+yarnPath: .yarn/releases/yarn-4.6.0.cjs

CHANGELOG.md

@@ -1,5 +1,156 @@
 # CHANGELOG
 
+## 7.5.4 Dec 9, 2025
+
+Changes:
+
+- Bump polkadot-js dependencies ([#605](https://github.com/polkadot-js/wasm/pull/605))
+
+
+## 7.5.3 Nov 24, 2025
+
+Changes:
+
+- Bump @polkadot dependencies ([#603](https://github.com/polkadot-js/wasm/pull/603))
+
+
+## 7.5.2 Nov 10, 2025
+
+Changes:
+
+- Fix/Revert asm build ([#599](https://github.com/polkadot-js/wasm/pull/599))
+- Bump @polkadot dependencies ([#601](https://github.com/polkadot-js/wasm/pull/601))
+
+
+## 7.5.1 aug 25, 2025
+
+Changes:
+
+- Bump yarn to 4.5.1 ([#573](https://github.com/polkadot-js/wasm/pull/573))
+- Update comments and labels from 2024 to 2025 ([#574](https://github.com/polkadot-js/wasm/pull/574))
+- Bump yarn to 4.6.0 ([#575](https://github.com/polkadot-js/wasm/pull/575))
+- Set execute for build script in CI ([#576](https://github.com/polkadot-js/wasm/pull/576))
+- Set permissions on all scripts ([#577](https://github.com/polkadot-js/wasm/pull/577))
+- Bump dev to 0.83.2 ([#578](https://github.com/polkadot-js/wasm/pull/578))
+- chore: added check in ext_secp_recover for signature normalization ([#579](https://github.com/polkadot-js/wasm/pull/579))
+- chore: Improve CI ([#580](https://github.com/polkadot-js/wasm/pull/580))
+- Revert CI improvements and wasm-bindgen version ([#583](https://github.com/polkadot-js/wasm/pull/583))
+- Added validation checks in PBKDF2 and Scrypt hashing functions ([#584](https://github.com/polkadot-js/wasm/pull/584))
+- Rollback wasm-bindgen version change ([#586](https://github.com/polkadot-js/wasm/pull/586))
+- Fix rust version to 1.84 ([#587](https://github.com/polkadot-js/wasm/pull/587))
+- Default to installed rust version ([#588](https://github.com/polkadot-js/wasm/pull/588))
+- Default to nightly rust version ([#589](https://github.com/polkadot-js/wasm/pull/589))
+- Ci Fix ([#590](https://github.com/polkadot-js/wasm/pull/590))
+- Read lock file ([#591](https://github.com/polkadot-js/wasm/pull/591))
+- Setup nightly as default ([#592](https://github.com/polkadot-js/wasm/pull/592))
+- Tweak install-build-deps.sh script ([#593](https://github.com/polkadot-js/wasm/pull/593))
+- Remove ASM build ([#594](https://github.com/polkadot-js/wasm/pull/594))
+- Bump @polkadot deps ([#595](https://github.com/polkadot-js/wasm/pull/595))
+
+
+## 7.4.1 Oct 20, 2024
+
+- Bump dev deps to 0.81.2
+    - Bump TS
+    - Ensure CJS is exported correctly
+- Bump yarn
+- Add missing sideEffect declarations
+- Set Deno build in CI to 1.42.x
+
+
+## 7.3.2 Dec 6, 2023
+
+Changes:
+
+- Apply fixes for OOB array access
+
+
+## 7.3.1 Nov 17, 2023
+
+Changes:
+
+- Drop support for Node 16 (EOL 11 Sep 2023)
+
+
+## 7.2.2 Aug 17, 2023
+
+Changes:
+
+- Adjust cjs exports for consistency
+- Adjust usage of `?.` as per (latest) linting rules
+
+
+## 7.2.1 May 13, 2023
+
+Changes:
+
+- Adjust `cjs/bytes.js` generation to follow `export.<var> = ...` form
+- Add `module` to `package.json` export map (ESM-only)
+
+
+## 7.1.2 Apr 28, 2023
+
+Changes:
+
+- Apply `readonly` specifiers to private class fields where applicable
+- Adjust compilation output for `__internal__` class fields
+
+
+## 7.1.1 Apr 22, 2023
+
+Changes:
+
+- Add `wasm-util` as dependency where `x-randomvalues` is a peer
+- Drop support for Node 14 (EOL 30 Apr 2023)
+
+
+## 7.0.3 Mar 11, 2023
+
+Changes:
+
+- Use consistent `.js` imports in source files (TS moduleResolution)
+
+
+## 7.0.2 Mar 4, 2023
+
+Changes:
+
+- Update to latest `@polkadot/dev` (w/ tsc jsx detection output changes)
+
+
+## 7.0.1 Mar 4, 2023
+
+Changes:
+
+- Swap TS -> JS compiler to use tsc (from babel)
+- Adjust all tests to use `node:test` runner (ESM & CJS variants)
+
+
+## 6.4.1 Dec 3, 2022
+
+Changes:
+
+- Add `/*#__PURE__*/` annotations for specific `export const something = someFunction(...)`
+
+
+## 6.3.1 Jul 21, 2022
+
+Changes:
+
+- Optimize packed WASM base64 decoding loop
+- Adjust test environment (no duplication)
+- Adjust CI check steps, align with other org repos
+- Remove unneeded `import_map.in.json` for Deno tests
+
+
+## 6.2.3 Jul 7, 2022
+
+Changes:
+
+- Optimize WASM init with pre-allocated buffers
+- Additional platform-specific tests
+
+
 ## 6.2.2 Jul 4, 2022
 
 Changes:

CONTRIBUTORS

@@ -1,4 +1,7 @@
-     450	Jaco                          	6.2.2 (#384)
+     618	Jaco                          	2024 (#559)
+      19	Tarik Gul                     	Bump dev to 0.83.2 (#578)
+      12	Valentin Fernandez            	7.5.1 (#596)
+      10	rajk93                        	7.5.4 (#606)
        1	Evgeny                        	Fixed type (#121)
        1	Shunfan Zhou                  	Support sr25519 agreement (#209)
        1	Steve Degosserie              	Expose Schnorrkel's VRF capabilities (#170)

README.md

@@ -1,9 +1,3 @@
-[![polkadotjs](https://img.shields.io/badge/polkadot-js-orange?style=flat-square)](https://polkadot.js.org)
-![license](https://img.shields.io/badge/License-Apache%202.0-blue?logo=apache&style=flat-square)
-[![npm](https://img.shields.io/npm/v/@polkadot/wasm-crypto?logo=npm&style=flat-square)](https://www.npmjs.com/package/@polkadot/wasm-crypto)
-[![beta](https://img.shields.io/npm/v/@polkadot/wasm-crypto/beta?label=beta&logo=npm&&style=flat-square)](https://www.npmjs.com/package/@polkadot/wasm-crypto)
-[![maintainability](https://img.shields.io/codeclimate/maintainability-percentage/polkadot-js/wasm?logo=code-climate&style=flat-square)](https://codeclimate.com/github/polkadot-js/wasm/maintainability)
-
 # @polkadot/wasm
 
 Various WASM wrappers around Rust crates

babel.config.cjs

@@ -1,4 +0,0 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-module.exports = require('@polkadot/dev/config/babel-config-cjs.cjs');

eslint.config.js

@@ -0,0 +1,13 @@
+// Copyright 2017-2026 @polkadot/wasm-crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import baseConfig from '@polkadot/dev/config/eslint';
+
+export default [
+  ...baseConfig,
+  {
+    ignores: [
+      'mod.ts'
+    ]
+  }
+];

import_map.in.json

@@ -0,0 +1,5 @@
+{
+  "imports": {
+    "https://esm.sh/v90/@types/bn.js@~5.2/index.d.ts": "https://esm.sh/v90/@types/bn.js@5.1.0/index.d.ts"
+  }
+}

jest.config.cjs

@@ -1,13 +0,0 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-const config = require('@polkadot/dev/config/jest.cjs');
-
-module.exports = {
-  ...config,
-  moduleNameMapper: {
-    '@polkadot/wasm-crypto-(init|asmjs|wasm)(.*)$': '<rootDir>/packages/wasm-crypto-$1/build/$2',
-    // eslint-disable-next-line sort-keys
-    '@polkadot/wasm-(bridge|crypto|util)(.*)$': '<rootDir>/packages/wasm-$1/build/$2'
-  }
-};

package.json

@@ -1,42 +1,58 @@
 {
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "bugs": "https://github.com/polkadot-js/wasm/issues",
+  "engines": {
+    "node": ">=18.14"
+  },
   "homepage": "https://github.com/polkadot-js/wasm#readme",
   "license": "Apache-2.0",
-  "packageManager": "yarn@3.2.0",
+  "packageManager": "yarn@4.6.0",
   "private": true,
   "repository": {
     "type": "git",
     "url": "https://github.com/polkadot-js/wasm.git"
   },
   "sideEffects": false,
-  "version": "6.2.2",
+  "type": "module",
+  "version": "7.5.4",
+  "versions": {
+    "git": "7.5.4",
+    "npm": "7.5.4"
+  },
   "workspaces": [
     "packages/*"
   ],
   "scripts": {
     "build": "yarn build:wasm",
     "build:js": "./scripts/build-js.sh",
-    "build:mac": "PATH=\"/opt/homebrew/opt/llvm/bin:$PATH\" CC=/opt/homebrew/opt/llvm/bin/clang AR=/opt/homebrew/opt/llvm/bin/llvm-ar yarn build",
+    "build:quantus": "./scripts/build-quantus.sh",
+    "build:quantus:js": "./scripts/build-quantus-js.sh",
     "build:release": "polkadot-ci-ghact-build",
     "build:rollup": "polkadot-exec-rollup --config",
     "build:wasm": "./scripts/build.sh",
     "clean": "./scripts/clean.sh",
+    "deno": "yarn deno:build && yarn deno:check",
+    "deno:build": "WITH_DENO=1 yarn build",
+    "deno:check": "deno check --import-map=import_map.json mod.ts",
     "lint": "polkadot-dev-run-lint",
     "postinstall": "polkadot-dev-yarn-only",
-    "test": "yarn test:wasm-crypto:rust",
+    "test": "yarn test:wasm-crypto:rust && yarn test:quantus-crypto:rust",
+    "test:js": "yarn test:wasm-crypto:js",
+    "test:quantus-crypto:js": "./scripts/test-quantus-js.sh",
+    "test:quantus-crypto:rust": "cd packages/quantus-crypto && RUST_BACKTRACE=full cargo test --release",
+    "test:wasm-crypto:deno": "deno test --allow-read --import-map=import_map.json packages/wasm-crypto/test/deno.ts",
     "test:wasm-crypto:js": "yarn test:wasm-crypto:js:jest && yarn test:wasm-crypto:js:node",
-    "test:wasm-crypto:js:jest": "polkadot-dev-run-test ./test/jest.spec.js",
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packages/quantus-crypto/Cargo.toml

@@ -0,0 +1,47 @@
+# Quantus post-quantum crypto, compiled to WASM for the browser.
+#
+# Deliberately a separate crate from `wasm-crypto` rather than more files inside
+# it: that package is built with `nightly-2022-06-24` (see scripts/rust-version.sh)
+# against a 2019-era dependency set, and the ML-DSA crates use inline `const {}`
+# blocks that need Rust >= 1.79. The two cannot share a Cargo graph, and bumping
+# the older one would mean rewriting upstream's sr25519/ed25519 build — which is
+# the thing we most want to leave alone so rebases stay boring. See quantus/wasm#1.
+
+[package]
+authors = ["Quantus Network Developers <hello@quantus.com>"]
+description = "WASM bindings to the Quantus chain's post-quantum crypto crates."
+edition = "2021"
+license = "Apache-2.0"
+name = "quantus_crypto"
+publish = false
+repository = "https://git.lair.cafe/quantus/wasm"
+resolver = "2"
+version = "0.0.0"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+# The crates the runtime itself uses. Versions match quantus-apps/quantus_sdk's
+# rust bridge, which is the other non-Rust consumer of exactly this surface.
+qp-poseidon-core = "3.1.0"
+qp-rusty-crystals-dilithium = { version = "4.1.1", default-features = false, features = ["ml-dsa-65", "ml-dsa-87"] }
+qp-rusty-crystals-hdwallet = { version = "4.1.1", default-features = false, features = ["ml-dsa-65", "ml-dsa-87"] }
+wasm-bindgen = "0.2"
+
+[dev-dependencies]
+# The chain's own nullifier, for known-answer tests only. It pulls in plonky2,
+# which has no place in the shipped WASM: the port in rs/hdwallet.rs has to
+# agree with it, and these tests are how that is shown rather than asserted.
+qp-wormhole-circuit = { version = "=4.3.0", default-features = false, features = ["std"] }
+qp-zk-circuits-common = { version = "=4.3.0" }
+
+[profile.release]
+codegen-units = 1
+debug = false
+debug-assertions = false
+incremental = false
+lto = true
+opt-level = "z"
+panic = "abort"
+rpath = false

packages/quantus-crypto/README.md

@@ -0,0 +1,76 @@
+# @quantus/crypto
+
+Quantus post-quantum crypto for the browser: ML-DSA-65 and ML-DSA-87 signatures,
+Poseidon2-over-Goldilocks account-id hashing, and hardened BIP44 key derivation.
+
+Every function delegates to the crates the Quantus runtime itself uses —
+`qp-rusty-crystals-dilithium`, `qp-poseidon-core`, `qp-rusty-crystals-hdwallet` —
+rather than reimplementing them. A browser wallet that disagreed with the chain
+about a key or a signature would produce perfectly well-formed output that the
+chain rejects, and nothing on this side could tell.
+
+## Why a separate package from `@polkadot/wasm-crypto`
+
+They cannot share a Cargo build. `wasm-crypto` is compiled with
+`nightly-2022-06-24` against a 2019-era dependency set; the ML-DSA crates use
+inline `const {}` blocks that require Rust >= 1.79. Modernising the older build
+would mean rewriting upstream's sr25519/ed25519 crypto, which is the thing most
+worth leaving untouched so rebases onto upstream stay boring.
+
+What *is* shared is the packaging: the WASM is zlib-compressed and base64'd into
+the JS at build time, so nothing is fetched at runtime. That matters because the
+consumer is an MV3 service worker under `script-src 'self' 'wasm-unsafe-eval'`,
+which can compile WASM but cannot usefully fetch it, and because callers like
+`pair.sign()` are synchronous and have no `await` to give.
+
+`@polkadot/wasm-bridge` is deliberately not used: its `Bridge` implements
+wasm-bindgen 0.2.79's JS-heap ABI, while this crate builds with 0.2.128, which
+uses externref tables. wasm-bindgen's own generated glue plus `initSync` is both
+smaller and correct.
+
+The only runtime dependency is `fflate`, for zlib inflate. Base64 decoding is
+fifteen lines here rather than a dependency. Both were originally taken from
+`@polkadot/wasm-util`, which turned out to cost more than it saved: its index
+re-exports `packageDetect`, dragging in a `@polkadot/util` peer dependency for a
+side effect we do not want, and being a workspace package it resolved through its
+*own* repo's node_modules when this package was consumed by symlink from another
+checkout — which is exactly how `quantus/common` consumes it during development.
+
+## Scheme selector
+
+`Scheme.MlDsa87 = 0`, `Scheme.MlDsa65 = 1` — these are the chain's own
+`DilithiumSignatureScheme` variant indices, so the number threaded through this
+API is the byte that ends up on the wire. New accounts use ML-DSA-65; ML-DSA-87
+is legacy and must be supported but never chosen.
+
+## Signing context
+
+ML-DSA hashes a context into the signature. Quantus extrinsics on spec >= 148 are
+verified under `QUANTUS_EXTRINSIC`, earlier specs under the empty context. A
+signature made under the wrong one is cryptographically valid, rejected by the
+chain, and indistinguishable locally — so use `contextForSpec(specVersion)`
+rather than picking one by hand. Nothing here guesses on your behalf.
+
+## Sizes come from the crate
+
+`sizes(scheme)` returns the public/secret/signature lengths rather than exposing
+constants to copy. They are consensus-critical — the runtime decodes a fixed-size
+array with no compact length prefix — and a JS constant that drifted would
+re-frame every byte after the signature while looking entirely healthy.
+
+## Building
+
+```sh
+yarn install-build-deps    # downloads wasm-bindgen 0.2.128 and binaryen
+./scripts/build-quantus.sh
+```
+
+The Rust toolchain is pinned in `rust-toolchain.toml` to the same channel the
+chain builds its runtime with.
+
+## Tests
+
+`cargo test` runs conformance tests whose expected values come from the `quantus`
+CLI, not from this crate — the dev-genesis account ids, HD derivation at both
+schemes' default paths, and context separation. A test that pinned our own output
+would keep passing through exactly the drift they exist to catch.

packages/quantus-crypto/package.json

@@ -0,0 +1,24 @@
+{
+  "author": "Quantus Network Developers <hello@quantus.com>",
+  "bugs": "https://git.lair.cafe/quantus/wasm/issues",
+  "description": "Quantus post-quantum crypto (ML-DSA, Poseidon2, HD derivation) for the browser",
+  "engines": {
+    "node": ">=18"
+  },
+  "homepage": "https://git.lair.cafe/quantus/wasm/src/branch/main/packages/quantus-crypto#readme",
+  "license": "Apache-2.0",
+  "name": "@quantus/crypto",
+  "repository": {
+    "directory": "packages/quantus-crypto",
+    "type": "git",
+    "url": "https://git.lair.cafe/quantus/wasm.git"
+  },
+  "sideEffects": false,
+  "type": "module",
+  "version": "0.3.0",
+  "main": "index.js",
+  "dependencies": {
+    "fflate": "^0.8.2",
+    "tslib": "^2.7.0"
+  }
+}

packages/quantus-crypto/rust-toolchain.toml

@@ -0,0 +1,8 @@
+# Matches the chain's toolchain (chain/rust-toolchain), so this crate is built by
+# the same compiler that builds the runtime it has to agree with. Upstream's
+# `wasm-crypto` keeps its own nightly-2022-06-24 pin; the two builds are separate
+# on purpose. See quantus/wasm#1.
+[toolchain]
+channel = "1.93.0"
+targets = ["wasm32-unknown-unknown"]
+profile = "minimal"

packages/quantus-crypto/src/base64.ts

@@ -0,0 +1,51 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+const CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+
+// An array indexer rather than a Map: the input is ASCII by construction, so it
+// cannot overflow, and array access is measurably faster on the hot loop.
+const MAP = new Array<number>(256);
+
+for (let i = 0; i < CHARS.length; i++) {
+  MAP[CHARS.charCodeAt(i)] = i;
+}
+
+/**
+ * Decode base64 into a caller-supplied buffer.
+ *
+ * Deliberately not `atob` or `Buffer.from`: the first is browser-only, the second
+ * node-only, and this runs in an MV3 service worker, a Worker, node tests and a
+ * bundled extension page. The output length is known at build time, so the
+ * caller provides the buffer and there is no growth or reallocation.
+ *
+ * This is a reimplementation of `@polkadot/wasm-util`'s base64Decode, which was
+ * the dependency it replaced. That package's index re-exports `packageDetect`,
+ * dragging in a `@polkadot/util` peer dependency for a side effect we do not
+ * want, and being a workspace package it resolved through its own repo's
+ * node_modules when consumed by symlink from another checkout. Fifteen lines is
+ * cheaper than either problem.
+ */
+export function base64Decode (data: string, out: Uint8Array): Uint8Array {
+  let byte = 0;
+  let bits = 0;
+  let pos = 0;
+
+  for (let i = 0; i < data.length && pos < out.length; i++) {
+    const value = MAP[data.charCodeAt(i)];
+
+    if (value === undefined) {
+      continue;
+    }
+
+    byte = (byte << 6) | value;
+    bits += 6;
+
+    if (bits >= 8) {
+      bits -= 8;
+      out[pos++] = (byte >>> bits) & 0xff;
+    }
+  }
+
+  return out;
+}

packages/quantus-crypto/src/bytes.d.ts

@@ -0,0 +1,6 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export declare const lenIn: number;
+export declare const lenOut: number;
+export declare const bytes: string;

packages/quantus-crypto/src/bytes.js

@@ -0,0 +1,10 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// Generated as part of the build, do not edit
+
+export const lenIn = 0;
+
+export const lenOut = 0;
+
+export const bytes = '';

packages/quantus-crypto/src/crypto.ts

@@ -0,0 +1,210 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { ext_mldsa_derive, ext_mldsa_from_seed, ext_mldsa_is_scheme, ext_mldsa_sign, ext_mldsa_sizes, ext_mldsa_verify, ext_poseidon_hash, ext_wormhole_addresses, ext_wormhole_nullifiers } from './generated/quantus_crypto.js';
+import { initWasm } from './init.js';
+import { Scheme } from './scheme.js';
+
+export interface Keypair {
+  publicKey: Uint8Array;
+  secretKey: Uint8Array;
+}
+
+export interface Sizes {
+  /** Public key length: 1952 for ML-DSA-65, 2592 for ML-DSA-87. */
+  publicKey: number;
+  /** Secret key length: 4032 / 4896. */
+  secretKey: number;
+  /** Signature length: 3309 / 4627. */
+  signature: number;
+  /** `signature ‖ publicKey`, the runtime's wire form: 5261 / 7219. */
+  signatureWithPublicKey: number;
+}
+
+function ready (): void {
+  const error = initWasm();
+
+  if (error) {
+    throw new Error(`@quantus/crypto: WASM unavailable: ${error}`);
+  }
+}
+
+/**
+ * Key and signature sizes for a scheme, read from the crate rather than
+ * hardcoded here.
+ *
+ * These are consensus-critical — the runtime decodes a fixed-size array off the
+ * wire — so a constant that drifted from the crate would re-frame every byte
+ * after the signature while looking entirely healthy. Ask, don't assume.
+ */
+export function sizes (scheme: Scheme): Sizes {
+  ready();
+
+  const raw = new DataView(ext_mldsa_sizes(scheme).buffer);
+
+  return {
+    publicKey: raw.getUint32(0, true),
+    secretKey: raw.getUint32(4, true),
+    signature: raw.getUint32(8, true),
+    signatureWithPublicKey: raw.getUint32(12, true)
+  };
+}
+
+/** Whether this build supports `scheme`. */
+export function isScheme (scheme: number): scheme is Scheme {
+  ready();
+
+  return ext_mldsa_is_scheme(scheme);
+}
+
+/**
+ * The account id for a public key — Poseidon2 over Goldilocks, 32 bytes out.
+ *
+ * This is the step that has no Substrate equivalent. There, an `AccountId32`
+ * *is* the public key; here it is a one-way hash of it, which is why a Quantus
+ * signature has to carry its public key inside itself and why nothing can
+ * recover a key from an address.
+ */
+export function accountFromPublicKey (publicKey: Uint8Array): Uint8Array {
+  ready();
+
+  return ext_poseidon_hash(publicKey);
+}
+
+/** A keypair from 32 bytes of entropy — FIPS 204 `ML-DSA.KeyGen_internal`. */
+export function keypairFromSeed (seed: Uint8Array, scheme: Scheme): Keypair {
+  ready();
+
+  return split(ext_mldsa_from_seed(seed, scheme), scheme);
+}
+
+/**
+ * A keypair from a BIP39 mnemonic at a hardened Quantus derivation path.
+ *
+ * `path` must be hardened at every level — lattice keys have no public
+ * derivability, so there is no soft-junction equivalent and one is rejected
+ * rather than reinterpreted.
+ */
+export function keypairFromMnemonic (mnemonic: string, password: string, path: string, scheme: Scheme): Keypair {
+  ready();
+
+  return split(ext_mldsa_derive(mnemonic, password, path, scheme), scheme);
+}
+
+/** Which wormhole branch: where deposits arrive, or where a send returns its change. */
+export enum WormholeBranch {
+  Receive = 0,
+  Change = 1
+}
+
+/**
+ * Consecutive wormhole addresses for one account and branch, as 32-byte account
+ * ids.
+ *
+ * Paths are `m/44'/189189189'/<account>'/<branch>'/<index>'`, the mobile
+ * wallet's. A wormhole address has no key: it is a double Poseidon hash of a
+ * secret the path yields, and funds leave it only through a ZK proof of that
+ * secret. Only the addresses cross into JavaScript; the secrets are derived and
+ * wiped inside WASM.
+ *
+ * The recovery phrase is stretched once per call, so ask for a window of
+ * addresses at once rather than looping over single ones. At most 1000 per call.
+ */
+export function wormholeAddresses (mnemonic: string, password: string, account: number, branch: WormholeBranch, start: number, count: number): Uint8Array[] {
+  ready();
+
+  const flat = ext_wormhole_addresses(mnemonic, password, account, branch, start, count);
+  const out: Uint8Array[] = [];
+
+  for (let i = 0; i < count; i++) {
+    out.push(flat.slice(i * 32, (i + 1) * 32));
+  }
+
+  return out;
+}
+
+/**
+ * Nullifiers for a run of wormhole addresses, one per deposit transfer count.
+ *
+ * A deposit to a wormhole address is spent when its nullifier is in
+ * `Wormhole::UsedNullifiers`. For each address `start..start + addresses` on
+ * `branch` of `account`, this returns the nullifiers for transfer counts
+ * `first..first + count`: `result[a][c]` belongs to address `start + a` and
+ * transfer count `first + c`.
+ *
+ * Check them locally, against a copy of the whole spent set. Never look one up
+ * by key or send it to a service: exits publish their nullifiers, so whoever
+ * sees yours can name your exits. At most 100,000 per call; the recovery phrase
+ * is stretched once per call.
+ */
+export function wormholeNullifiers (mnemonic: string, password: string, account: number, branch: WormholeBranch, start: number, addresses: number, first: number, count: number): Uint8Array[][] {
+  ready();
+
+  const flat = ext_wormhole_nullifiers(mnemonic, password, account, branch, start, addresses, BigInt(first), count);
+  const out: Uint8Array[][] = [];
+
+  for (let a = 0; a < addresses; a++) {
+    const row: Uint8Array[] = [];
+
+    for (let c = 0; c < count; c++) {
+      const at = (a * count + c) * 32;
+
+      row.push(flat.slice(at, at + 32));
+    }
+
+    out.push(row);
+  }
+
+  return out;
+}
+
+/**
+ * Sign under a FIPS 204 context.
+ *
+ * `context` is not optional in spirit: extrinsics on spec >= 148 verify under
+ * `QUANTUS_EXTRINSIC` and earlier ones under the empty context, and the wrong
+ * choice yields a valid signature that the chain rejects with nothing locally
+ * able to tell. Use `contextForSpec` rather than picking one by hand.
+ *
+ * Returns the bare signature. The runtime's wire form is `signature ‖ publicKey`
+ * — see {@link signatureWithPublicKey} — but only the caller knows which it
+ * wants.
+ */
+export function sign (message: Uint8Array, { publicKey, secretKey }: Keypair, context: Uint8Array, scheme: Scheme): Uint8Array {
+  ready();
+
+  return ext_mldsa_sign(secretKey, publicKey, message, context, scheme);
+}
+
+/** Verify a bare signature under a context. */
+export function verify (message: Uint8Array, signature: Uint8Array, publicKey: Uint8Array, context: Uint8Array, scheme: Scheme): boolean {
+  ready();
+
+  return ext_mldsa_verify(publicKey, message, signature, context, scheme);
+}
+
+/**
+ * `signature ‖ publicKey` — what a signed extrinsic actually carries.
+ *
+ * The runtime encodes this as a fixed-size array with **no compact length
+ * prefix**, preceded by the scheme's enum variant byte. Getting that framing
+ * wrong re-frames every byte after it into something that still decodes.
+ */
+export function signatureWithPublicKey (signature: Uint8Array, publicKey: Uint8Array): Uint8Array {
+  const out = new Uint8Array(signature.length + publicKey.length);
+
+  out.set(signature);
+  out.set(publicKey, signature.length);
+
+  return out;
+}
+
+/** The crate returns `secretKey ‖ publicKey`, matching `ext_ed_from_seed`. */
+function split (pair: Uint8Array, scheme: Scheme): Keypair {
+  const { secretKey } = sizes(scheme);
+
+  return {
+    publicKey: pair.subarray(secretKey),
+    secretKey: pair.subarray(0, secretKey)
+  };
+}

packages/quantus-crypto/src/generated/quantus_crypto.d.ts

@@ -0,0 +1,226 @@
+/* tslint:disable */
+/* eslint-disable */
+
+/**
+ * Derive a keypair from a BIP39 mnemonic at a hardened derivation path.
+ *
+ * Lattice keys have no public derivability, so there is no soft-junction
+ * equivalent and the crate rejects any unhardened path outright. The Quantus
+ * convention is:
+ *
+ * ```text
+ * m/44'/189189'/<account>'/0'/<0 for ML-DSA-87 | 1 for ML-DSA-65>'
+ * ```
+ *
+ * with the account index at the third level and the *scheme* carried in the
+ * trailing index. That is unusual, and it is what `quantus-cli` and the mobile
+ * wallet already use — deriving anything else produces addresses no other
+ * Quantus tool can find.
+ *
+ * The seeding matters as much as the path. This goes mnemonic → 64-byte BIP39
+ * seed → HMAC-SHA512 chain keyed with the literal string `"Dilithium seed"`.
+ * Substrate's own `mnemonicToMiniSecret` is a *different* derivation and is the
+ * default reach in the polkadot-js codebase; using it here would yield a
+ * well-formed key for an account nobody owns.
+ *
+ * * mnemonic: BIP39 phrase, 12/15/18/21/24 words
+ * * password: BIP39 passphrase; empty string for none
+ * * path: hardened derivation path, e.g. `m/44'/189189'/0'/0'/1'`
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is the secret key followed by the public key, as
+ *   `ext_mldsa_from_seed` returns.
+ */
+export function ext_mldsa_derive(mnemonic: string, password: string, path: string, scheme: number): Uint8Array;
+
+/**
+ * Generate a keypair from 32 bytes of entropy.
+ *
+ * This is FIPS 204 `ML-DSA.KeyGen_internal` with no Quantus-specific step: the
+ * crate expands the seed as `SHAKE256(seed ‖ k ‖ ℓ)`, so the parameter set is
+ * absorbed into the expansion and the same 32 bytes yield independent keys per
+ * scheme. That is why the dev accounts (`[0u8; 32]`, `[1u8; 32]`, `[2u8; 32]`)
+ * and HD-derived accounts can share this one entry point.
+ *
+ * * seed: UIntArray with 32 elements
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is the secret key followed by the public key, matching the
+ *   ordering `ext_ed_from_seed` uses. Split it at the secret length from
+ *   `ext_mldsa_sizes`.
+ */
+export function ext_mldsa_from_seed(seed: Uint8Array, scheme: number): Uint8Array;
+
+/**
+ * Whether `scheme` names a parameter set this build supports.
+ *
+ * `dispatch!` falls back to ML-DSA-87 for anything unrecognised, which is the
+ * right default but a poor way to discover a typo. Callers that accept a scheme
+ * from storage or from a user should check here first.
+ */
+export function ext_mldsa_is_scheme(scheme: number): boolean;
+
+/**
+ * Sign a message under a FIPS 204 context.
+ *
+ * Signing is deterministic — no hedging randomness — because that is what the
+ * runtime does (`hedge: None`), and a wallet that hedged would produce a
+ * different signature each time for the same input, which makes the
+ * byte-for-byte agreement tests in quantus/wasm#2 impossible to write.
+ *
+ * `ctx` is domain separation and it is **not** optional in practice: extrinsics
+ * on spec >= 148 are verified under `QUANTUS_EXTRINSIC`, earlier specs under the
+ * empty context, and a signature made under the wrong one is valid, rejected by
+ * the chain, and indistinguishable locally. The caller chooses; this function
+ * does not guess.
+ *
+ * * secret: UIntArray, secret-key length for the scheme
+ * * public: UIntArray, public-key length for the scheme
+ * * message: arbitrary length UIntArray
+ * * ctx: UIntArray, at most 255 elements; empty for no context
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is the signature alone. The runtime's wire format is
+ *   `signature ‖ public`; concatenating is the caller's job because only the
+ *   caller knows whether it wants the wire form or the bare signature.
+ */
+export function ext_mldsa_sign(secret: Uint8Array, _public: Uint8Array, message: Uint8Array, ctx: Uint8Array, scheme: number): Uint8Array;
+
+/**
+ * Key and signature sizes for a parameter set, as
+ * `[public, secret, signature, signature_with_public]`.
+ *
+ * Exported so that nothing on the JS side has to hardcode 1952/4032/3309/5261 or
+ * 2592/4896/4627/7219. Those numbers are consensus-critical — the runtime reads a
+ * fixed-size array off the wire — and a JS constant that drifted from the crate
+ * would mis-frame every byte after the signature while looking entirely healthy.
+ * Ask the crate instead.
+ *
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is four u32 lengths, little-endian, 16 bytes total.
+ */
+export function ext_mldsa_sizes(scheme: number): Uint8Array;
+
+/**
+ * Verify a signature against a message and public key under a context.
+ *
+ * * public: UIntArray, public-key length for the scheme
+ * * message: arbitrary length UIntArray
+ * * signature: UIntArray, signature length for the scheme
+ * * ctx: UIntArray, at most 255 elements; empty for no context
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ */
+export function ext_mldsa_verify(_public: Uint8Array, message: Uint8Array, signature: Uint8Array, ctx: Uint8Array, scheme: number): boolean;
+
+/**
+ * Poseidon2-over-Goldilocks hash of arbitrary bytes.
+ *
+ * This is the account-id derivation. On Substrate an `AccountId32` *is* the
+ * public key; on Quantus it is `hash_bytes(public_key)`, which is why a Quantus
+ * signature has to carry its public key along — the address cannot give it back.
+ *
+ * `qp_poseidon_core::hash_bytes` is `IdentifyAccount for DilithiumSigner` in the
+ * runtime, so this is the same function the chain uses to decide who signed
+ * something, reached through the same crate rather than a port of it.
+ *
+ * * data: arbitrary length UIntArray
+ *
+ * * returned vector is 32 bytes.
+ */
+export function ext_poseidon_hash(data: Uint8Array): Uint8Array;
+
+/**
+ * Derive consecutive wormhole addresses for one account and branch.
+ *
+ * A wormhole address is not a key. The path yields a 32-byte **secret**, and
+ * the address is `poseidon(poseidon(salt ‖ secret))`; funds leave it only
+ * through a ZK proof of knowing that secret. So this returns the addresses and
+ * nothing else. The secrets and the intermediate `first_hash` stay inside this
+ * call and are wiped on drop by the crate's sensitive types.
+ *
+ * Paths are `m/44'/189189189'/<account>'/<change>'/<index>'`, as the mobile
+ * wallet derives them: change `0` is the receive branch, `1` the change branch.
+ *
+ * The BIP39 seed is stretched once for the whole batch. Stretching per address
+ * is PBKDF2 with 2048 rounds each time, and a gap-limit window is dozens of
+ * addresses.
+ *
+ * * mnemonic: BIP39 phrase
+ * * password: BIP39 passphrase; empty string for none
+ * * account, change, start, count: which addresses; count <= WORMHOLE_MAX_BATCH
+ *
+ * * returned vector is `count` 32-byte account ids, concatenated
+ */
+export function ext_wormhole_addresses(mnemonic: string, password: string, account: number, change: number, start: number, count: number): Uint8Array;
+
+/**
+ * Nullifiers for a run of wormhole addresses' deposits, by transfer count.
+ *
+ * A deposit to a wormhole address is spent when its nullifier is in
+ * `Wormhole::UsedNullifiers`. The nullifier is
+ *
+ * ```text
+ * poseidon2(poseidon2(salt("~nullif~") ‖ secret ‖ transfer_count))
+ * ```
+ *
+ * where `transfer_count` is the address's counter when the deposit landed. It
+ * needs the address's secret, which is why this takes the recovery phrase and
+ * why a nullifier should never be sent anywhere to be checked: exits publish
+ * nullifiers, so whoever sees yours can name your exits.
+ *
+ * For addresses `m/44'/189189189'/<account>'/<change>'/<index>'` with index in
+ * `start..start + addresses`, and transfer counts `first..first + count` for
+ * each. The BIP39 seed is stretched once for the whole run.
+ *
+ * Ported onto `qp-poseidon-core` rather than calling `qp-wormhole-circuit`,
+ * which would bring plonky2 into the WASM. The port is pinned to the circuit
+ * crate's own `Nullifier::from_preimage` by the tests.
+ *
+ * * returned vector is `addresses * count` 32-byte nullifiers: address by
+ *   address, and by transfer count within each
+ */
+export function ext_wormhole_nullifiers(mnemonic: string, password: string, account: number, change: number, start: number, addresses: number, first: bigint, count: number): Uint8Array;
+
+export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
+
+export interface InitOutput {
+    readonly memory: WebAssembly.Memory;
+    readonly ext_mldsa_derive: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => [number, number, number, number];
+    readonly ext_mldsa_from_seed: (a: number, b: number, c: number) => [number, number, number, number];
+    readonly ext_mldsa_is_scheme: (a: number) => number;
+    readonly ext_mldsa_sign: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number) => [number, number, number, number];
+    readonly ext_mldsa_sizes: (a: number) => [number, number];
+    readonly ext_mldsa_verify: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number) => number;
+    readonly ext_poseidon_hash: (a: number, b: number) => [number, number];
+    readonly ext_wormhole_addresses: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number) => [number, number, number, number];
+    readonly ext_wormhole_nullifiers: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: bigint, j: number) => [number, number, number, number];
+    readonly __wbindgen_externrefs: WebAssembly.Table;
+    readonly __wbindgen_malloc: (a: number, b: number) => number;
+    readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
+    readonly __externref_table_dealloc: (a: number) => void;
+    readonly __wbindgen_free: (a: number, b: number, c: number) => void;
+    readonly __wbindgen_start: () => void;
+}
+
+export type SyncInitInput = BufferSource | WebAssembly.Module;
+
+/**
+ * Instantiates the given `module`, which can either be bytes or
+ * a precompiled `WebAssembly.Module`.
+ *
+ * @param {{ module: SyncInitInput }} module - Passing `SyncInitInput` directly is deprecated.
+ *
+ * @returns {InitOutput}
+ */
+export function initSync(module: { module: SyncInitInput } | SyncInitInput): InitOutput;
+
+/**
+ * If `module_or_path` is {RequestInfo} or {URL}, makes a request and
+ * for everything else, calls `WebAssembly.instantiate` directly.
+ *
+ * @param {{ module_or_path: InitInput | Promise<InitInput> }} module_or_path - Passing `InitInput` directly is deprecated.
+ *
+ * @returns {Promise<InitOutput>}
+ */
+export default function __wbg_init (module_or_path?: { module_or_path: InitInput | Promise<InitInput> } | InitInput | Promise<InitInput>): Promise<InitOutput>;

packages/quantus-crypto/src/generated/quantus_crypto.js

@@ -0,0 +1,503 @@
+/* @ts-self-types="./quantus_crypto.d.ts" */
+
+/**
+ * Derive a keypair from a BIP39 mnemonic at a hardened derivation path.
+ *
+ * Lattice keys have no public derivability, so there is no soft-junction
+ * equivalent and the crate rejects any unhardened path outright. The Quantus
+ * convention is:
+ *
+ * ```text
+ * m/44'/189189'/<account>'/0'/<0 for ML-DSA-87 | 1 for ML-DSA-65>'
+ * ```
+ *
+ * with the account index at the third level and the *scheme* carried in the
+ * trailing index. That is unusual, and it is what `quantus-cli` and the mobile
+ * wallet already use — deriving anything else produces addresses no other
+ * Quantus tool can find.
+ *
+ * The seeding matters as much as the path. This goes mnemonic → 64-byte BIP39
+ * seed → HMAC-SHA512 chain keyed with the literal string `"Dilithium seed"`.
+ * Substrate's own `mnemonicToMiniSecret` is a *different* derivation and is the
+ * default reach in the polkadot-js codebase; using it here would yield a
+ * well-formed key for an account nobody owns.
+ *
+ * * mnemonic: BIP39 phrase, 12/15/18/21/24 words
+ * * password: BIP39 passphrase; empty string for none
+ * * path: hardened derivation path, e.g. `m/44'/189189'/0'/0'/1'`
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is the secret key followed by the public key, as
+ *   `ext_mldsa_from_seed` returns.
+ * @param {string} mnemonic
+ * @param {string} password
+ * @param {string} path
+ * @param {number} scheme
+ * @returns {Uint8Array}
+ */
+export function ext_mldsa_derive(mnemonic, password, path, scheme) {
+    const ptr0 = passStringToWasm0(mnemonic, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(password, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ptr2 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len2 = WASM_VECTOR_LEN;
+    const ret = wasm.ext_mldsa_derive(ptr0, len0, ptr1, len1, ptr2, len2, scheme);
+    if (ret[3]) {
+        throw takeFromExternrefTable0(ret[2]);
+    }
+    var v4 = getArrayU8FromWasm0(ret[0], ret[1]).slice();
+    wasm.__wbindgen_free(ret[0], ret[1] * 1, 1);
+    return v4;
+}
+
+/**
+ * Generate a keypair from 32 bytes of entropy.
+ *
+ * This is FIPS 204 `ML-DSA.KeyGen_internal` with no Quantus-specific step: the
+ * crate expands the seed as `SHAKE256(seed ‖ k ‖ ℓ)`, so the parameter set is
+ * absorbed into the expansion and the same 32 bytes yield independent keys per
+ * scheme. That is why the dev accounts (`[0u8; 32]`, `[1u8; 32]`, `[2u8; 32]`)
+ * and HD-derived accounts can share this one entry point.
+ *
+ * * seed: UIntArray with 32 elements
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is the secret key followed by the public key, matching the
+ *   ordering `ext_ed_from_seed` uses. Split it at the secret length from
+ *   `ext_mldsa_sizes`.
+ * @param {Uint8Array} seed
+ * @param {number} scheme
+ * @returns {Uint8Array}
+ */
+export function ext_mldsa_from_seed(seed, scheme) {
+    const ptr0 = passArray8ToWasm0(seed, wasm.__wbindgen_malloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ret = wasm.ext_mldsa_from_seed(ptr0, len0, scheme);
+    if (ret[3]) {
+        throw takeFromExternrefTable0(ret[2]);
+    }
+    var v2 = getArrayU8FromWasm0(ret[0], ret[1]).slice();
+    wasm.__wbindgen_free(ret[0], ret[1] * 1, 1);
+    return v2;
+}
+
+/**
+ * Whether `scheme` names a parameter set this build supports.
+ *
+ * `dispatch!` falls back to ML-DSA-87 for anything unrecognised, which is the
+ * right default but a poor way to discover a typo. Callers that accept a scheme
+ * from storage or from a user should check here first.
+ * @param {number} scheme
+ * @returns {boolean}
+ */
+export function ext_mldsa_is_scheme(scheme) {
+    const ret = wasm.ext_mldsa_is_scheme(scheme);
+    return ret !== 0;
+}
+
+/**
+ * Sign a message under a FIPS 204 context.
+ *
+ * Signing is deterministic — no hedging randomness — because that is what the
+ * runtime does (`hedge: None`), and a wallet that hedged would produce a
+ * different signature each time for the same input, which makes the
+ * byte-for-byte agreement tests in quantus/wasm#2 impossible to write.
+ *
+ * `ctx` is domain separation and it is **not** optional in practice: extrinsics
+ * on spec >= 148 are verified under `QUANTUS_EXTRINSIC`, earlier specs under the
+ * empty context, and a signature made under the wrong one is valid, rejected by
+ * the chain, and indistinguishable locally. The caller chooses; this function
+ * does not guess.
+ *
+ * * secret: UIntArray, secret-key length for the scheme
+ * * public: UIntArray, public-key length for the scheme
+ * * message: arbitrary length UIntArray
+ * * ctx: UIntArray, at most 255 elements; empty for no context
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is the signature alone. The runtime's wire format is
+ *   `signature ‖ public`; concatenating is the caller's job because only the
+ *   caller knows whether it wants the wire form or the bare signature.
+ * @param {Uint8Array} secret
+ * @param {Uint8Array} _public
+ * @param {Uint8Array} message
+ * @param {Uint8Array} ctx
+ * @param {number} scheme
+ * @returns {Uint8Array}
+ */
+export function ext_mldsa_sign(secret, _public, message, ctx, scheme) {
+    const ptr0 = passArray8ToWasm0(secret, wasm.__wbindgen_malloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passArray8ToWasm0(_public, wasm.__wbindgen_malloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ptr2 = passArray8ToWasm0(message, wasm.__wbindgen_malloc);
+    const len2 = WASM_VECTOR_LEN;
+    const ptr3 = passArray8ToWasm0(ctx, wasm.__wbindgen_malloc);
+    const len3 = WASM_VECTOR_LEN;
+    const ret = wasm.ext_mldsa_sign(ptr0, len0, ptr1, len1, ptr2, len2, ptr3, len3, scheme);
+    if (ret[3]) {
+        throw takeFromExternrefTable0(ret[2]);
+    }
+    var v5 = getArrayU8FromWasm0(ret[0], ret[1]).slice();
+    wasm.__wbindgen_free(ret[0], ret[1] * 1, 1);
+    return v5;
+}
+
+/**
+ * Key and signature sizes for a parameter set, as
+ * `[public, secret, signature, signature_with_public]`.
+ *
+ * Exported so that nothing on the JS side has to hardcode 1952/4032/3309/5261 or
+ * 2592/4896/4627/7219. Those numbers are consensus-critical — the runtime reads a
+ * fixed-size array off the wire — and a JS constant that drifted from the crate
+ * would mis-frame every byte after the signature while looking entirely healthy.
+ * Ask the crate instead.
+ *
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ *
+ * * returned vector is four u32 lengths, little-endian, 16 bytes total.
+ * @param {number} scheme
+ * @returns {Uint8Array}
+ */
+export function ext_mldsa_sizes(scheme) {
+    const ret = wasm.ext_mldsa_sizes(scheme);
+    var v1 = getArrayU8FromWasm0(ret[0], ret[1]).slice();
+    wasm.__wbindgen_free(ret[0], ret[1] * 1, 1);
+    return v1;
+}
+
+/**
+ * Verify a signature against a message and public key under a context.
+ *
+ * * public: UIntArray, public-key length for the scheme
+ * * message: arbitrary length UIntArray
+ * * signature: UIntArray, signature length for the scheme
+ * * ctx: UIntArray, at most 255 elements; empty for no context
+ * * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+ * @param {Uint8Array} _public
+ * @param {Uint8Array} message
+ * @param {Uint8Array} signature
+ * @param {Uint8Array} ctx
+ * @param {number} scheme
+ * @returns {boolean}
+ */
+export function ext_mldsa_verify(_public, message, signature, ctx, scheme) {
+    const ptr0 = passArray8ToWasm0(_public, wasm.__wbindgen_malloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passArray8ToWasm0(message, wasm.__wbindgen_malloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ptr2 = passArray8ToWasm0(signature, wasm.__wbindgen_malloc);
+    const len2 = WASM_VECTOR_LEN;
+    const ptr3 = passArray8ToWasm0(ctx, wasm.__wbindgen_malloc);
+    const len3 = WASM_VECTOR_LEN;
+    const ret = wasm.ext_mldsa_verify(ptr0, len0, ptr1, len1, ptr2, len2, ptr3, len3, scheme);
+    return ret !== 0;
+}
+
+/**
+ * Poseidon2-over-Goldilocks hash of arbitrary bytes.
+ *
+ * This is the account-id derivation. On Substrate an `AccountId32` *is* the
+ * public key; on Quantus it is `hash_bytes(public_key)`, which is why a Quantus
+ * signature has to carry its public key along — the address cannot give it back.
+ *
+ * `qp_poseidon_core::hash_bytes` is `IdentifyAccount for DilithiumSigner` in the
+ * runtime, so this is the same function the chain uses to decide who signed
+ * something, reached through the same crate rather than a port of it.
+ *
+ * * data: arbitrary length UIntArray
+ *
+ * * returned vector is 32 bytes.
+ * @param {Uint8Array} data
+ * @returns {Uint8Array}
+ */
+export function ext_poseidon_hash(data) {
+    const ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ret = wasm.ext_poseidon_hash(ptr0, len0);
+    var v2 = getArrayU8FromWasm0(ret[0], ret[1]).slice();
+    wasm.__wbindgen_free(ret[0], ret[1] * 1, 1);
+    return v2;
+}
+
+/**
+ * Derive consecutive wormhole addresses for one account and branch.
+ *
+ * A wormhole address is not a key. The path yields a 32-byte **secret**, and
+ * the address is `poseidon(poseidon(salt ‖ secret))`; funds leave it only
+ * through a ZK proof of knowing that secret. So this returns the addresses and
+ * nothing else. The secrets and the intermediate `first_hash` stay inside this
+ * call and are wiped on drop by the crate's sensitive types.
+ *
+ * Paths are `m/44'/189189189'/<account>'/<change>'/<index>'`, as the mobile
+ * wallet derives them: change `0` is the receive branch, `1` the change branch.
+ *
+ * The BIP39 seed is stretched once for the whole batch. Stretching per address
+ * is PBKDF2 with 2048 rounds each time, and a gap-limit window is dozens of
+ * addresses.
+ *
+ * * mnemonic: BIP39 phrase
+ * * password: BIP39 passphrase; empty string for none
+ * * account, change, start, count: which addresses; count <= WORMHOLE_MAX_BATCH
+ *
+ * * returned vector is `count` 32-byte account ids, concatenated
+ * @param {string} mnemonic
+ * @param {string} password
+ * @param {number} account
+ * @param {number} change
+ * @param {number} start
+ * @param {number} count
+ * @returns {Uint8Array}
+ */
+export function ext_wormhole_addresses(mnemonic, password, account, change, start, count) {
+    const ptr0 = passStringToWasm0(mnemonic, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(password, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ret = wasm.ext_wormhole_addresses(ptr0, len0, ptr1, len1, account, change, start, count);
+    if (ret[3]) {
+        throw takeFromExternrefTable0(ret[2]);
+    }
+    var v3 = getArrayU8FromWasm0(ret[0], ret[1]).slice();
+    wasm.__wbindgen_free(ret[0], ret[1] * 1, 1);
+    return v3;
+}
+
+/**
+ * Nullifiers for a run of wormhole addresses' deposits, by transfer count.
+ *
+ * A deposit to a wormhole address is spent when its nullifier is in
+ * `Wormhole::UsedNullifiers`. The nullifier is
+ *
+ * ```text
+ * poseidon2(poseidon2(salt("~nullif~") ‖ secret ‖ transfer_count))
+ * ```
+ *
+ * where `transfer_count` is the address's counter when the deposit landed. It
+ * needs the address's secret, which is why this takes the recovery phrase and
+ * why a nullifier should never be sent anywhere to be checked: exits publish
+ * nullifiers, so whoever sees yours can name your exits.
+ *
+ * For addresses `m/44'/189189189'/<account>'/<change>'/<index>'` with index in
+ * `start..start + addresses`, and transfer counts `first..first + count` for
+ * each. The BIP39 seed is stretched once for the whole run.
+ *
+ * Ported onto `qp-poseidon-core` rather than calling `qp-wormhole-circuit`,
+ * which would bring plonky2 into the WASM. The port is pinned to the circuit
+ * crate's own `Nullifier::from_preimage` by the tests.
+ *
+ * * returned vector is `addresses * count` 32-byte nullifiers: address by
+ *   address, and by transfer count within each
+ * @param {string} mnemonic
+ * @param {string} password
+ * @param {number} account
+ * @param {number} change
+ * @param {number} start
+ * @param {number} addresses
+ * @param {bigint} first
+ * @param {number} count
+ * @returns {Uint8Array}
+ */
+export function ext_wormhole_nullifiers(mnemonic, password, account, change, start, addresses, first, count) {
+    const ptr0 = passStringToWasm0(mnemonic, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(password, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ret = wasm.ext_wormhole_nullifiers(ptr0, len0, ptr1, len1, account, change, start, addresses, first, count);
+    if (ret[3]) {
+        throw takeFromExternrefTable0(ret[2]);
+    }
+    var v3 = getArrayU8FromWasm0(ret[0], ret[1]).slice();
+    wasm.__wbindgen_free(ret[0], ret[1] * 1, 1);
+    return v3;
+}
+function __wbg_get_imports() {
+    const import0 = {
+        __proto__: null,
+        __wbg_Error_67e7344beaa85059: function(arg0, arg1) {
+            const ret = Error(getStringFromWasm0(arg0, arg1));
+            return ret;
+        },
+        __wbindgen_init_externref_table: function() {
+            const table = wasm.__wbindgen_externrefs;
+            const offset = table.grow(4);
+            table.set(0, undefined);
+            table.set(offset + 0, undefined);
+            table.set(offset + 1, null);
+            table.set(offset + 2, true);
+            table.set(offset + 3, false);
+        },
+    };
+    return {
+        __proto__: null,
+        "./quantus_crypto_bg.js": import0,
+    };
+}
+
+function getArrayU8FromWasm0(ptr, len) {
+    ptr = ptr >>> 0;
+    return getUint8ArrayMemory0().subarray(ptr / 1, ptr / 1 + len);
+}
+
+function getStringFromWasm0(ptr, len) {
+    return decodeText(ptr >>> 0, len);
+}
+
+let cachedUint8ArrayMemory0 = null;
+function getUint8ArrayMemory0() {
+    if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
+        cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
+    }
+    return cachedUint8ArrayMemory0;
+}
+
+function passArray8ToWasm0(arg, malloc) {
+    const ptr = malloc(arg.length * 1, 1) >>> 0;
+    getUint8ArrayMemory0().set(arg, ptr / 1);
+    WASM_VECTOR_LEN = arg.length;
+    return ptr;
+}
+
+function passStringToWasm0(arg, malloc, realloc) {
+    if (realloc === undefined) {
+        const buf = cachedTextEncoder.encode(arg);
+        const ptr = malloc(buf.length, 1) >>> 0;
+        getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);
+        WASM_VECTOR_LEN = buf.length;
+        return ptr;
+    }
+
+    let len = arg.length;
+    let ptr = malloc(len, 1) >>> 0;
+
+    const mem = getUint8ArrayMemory0();
+
+    let offset = 0;
+
+    for (; offset < len; offset++) {
+        const code = arg.charCodeAt(offset);
+        if (code > 0x7F) break;
+        mem[ptr + offset] = code;
+    }
+    if (offset !== len) {
+        if (offset !== 0) {
+            arg = arg.slice(offset);
+        }
+        ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
+        const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
+        const ret = cachedTextEncoder.encodeInto(arg, view);
+
+        offset += ret.written;
+        ptr = realloc(ptr, len, offset, 1) >>> 0;
+    }
+
+    WASM_VECTOR_LEN = offset;
+    return ptr;
+}
+
+function takeFromExternrefTable0(idx) {
+    const value = wasm.__wbindgen_externrefs.get(idx);
+    wasm.__externref_table_dealloc(idx);
+    return value;
+}
+
+let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
+cachedTextDecoder.decode();
+const MAX_SAFARI_DECODE_BYTES = 2146435072;
+let numBytesDecoded = 0;
+function decodeText(ptr, len) {
+    numBytesDecoded += len;
+    if (numBytesDecoded >= MAX_SAFARI_DECODE_BYTES) {
+        cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
+        cachedTextDecoder.decode();
+        numBytesDecoded = len;
+    }
+    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
+}
+
+const cachedTextEncoder = new TextEncoder();
+
+if (!('encodeInto' in cachedTextEncoder)) {
+    cachedTextEncoder.encodeInto = function (arg, view) {
+        const buf = cachedTextEncoder.encode(arg);
+        view.set(buf);
+        return {
+            read: arg.length,
+            written: buf.length
+        };
+    };
+}
+
+let WASM_VECTOR_LEN = 0;
+
+let wasmModule, wasmInstance, wasm;
+function __wbg_finalize_init(instance, module) {
+    wasmInstance = instance;
+    wasm = instance.exports;
+    wasmModule = module;
+    cachedUint8ArrayMemory0 = null;
+    wasm.__wbindgen_start();
+    return wasm;
+}
+
+async function __wbg_load(module, imports) {
+    if (typeof Response === 'function' && module instanceof Response) {
+        if (!module.ok) {
+            throw new Error(`failed to fetch Wasm: ${module.status} ${module.statusText} fetching '${module.url}'`);
+        }
+
+        if (typeof WebAssembly.instantiateStreaming === 'function') {
+            try {
+                return await WebAssembly.instantiateStreaming(module, imports);
+            } catch (e) {
+                const validResponse = expectedResponseType(module.type);
+
+                if (validResponse && module.headers.get('Content-Type') !== 'application/wasm') {
+                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve Wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
+
+                } else { throw e; }
+            }
+        }
+
+        const bytes = await module.arrayBuffer();
+        return await WebAssembly.instantiate(bytes, imports);
+    } else {
+        const instance = await WebAssembly.instantiate(module, imports);
+
+        if (instance instanceof WebAssembly.Instance) {
+            return { instance, module };
+        } else {
+            return instance;
+        }
+    }
+
+    function expectedResponseType(type) {
+        switch (type) {
+            case 'basic': case 'cors': case 'default': return true;
+        }
+        return false;
+    }
+}
+
+function initSync(module) {
+    if (wasm !== undefined) return wasm;
+
+
+    if (module !== undefined) {
+        if (Object.getPrototypeOf(module) === Object.prototype) {
+            ({module} = module)
+        } else {
+            console.warn('using deprecated parameters for `initSync()`; pass a single object instead')
+        }
+    }
+
+    const imports = __wbg_get_imports();
+    if (!(module instanceof WebAssembly.Module)) {
+        module = new WebAssembly.Module(module);
+    }
+    const instance = new WebAssembly.Instance(module, imports);
+    return __wbg_finalize_init(instance, module);
+}
+
+export { initSync };

packages/quantus-crypto/src/index.ts

@@ -0,0 +1,7 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export { accountFromPublicKey, isScheme, keypairFromMnemonic, keypairFromSeed, sign, signatureWithPublicKey, sizes, verify, WormholeBranch, wormholeAddresses, wormholeNullifiers } from './crypto.js';
+export type { Keypair, Sizes } from './crypto.js';
+export { initWasm, isReady } from './init.js';
+export { contextForSpec, EXTRINSIC_CONTEXT, EXTRINSIC_MIN_SPEC, Scheme, SCHEME_NAME } from './scheme.js';

packages/quantus-crypto/src/init.ts

@@ -0,0 +1,61 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { unzlibSync } from 'fflate';
+
+import { base64Decode } from './base64.js';
+
+import { bytes, lenOut } from './bytes.js';
+import { initSync } from './generated/quantus_crypto.js';
+
+/**
+ * Instantiate the WASM, synchronously, from bytes compiled into this file.
+ *
+ * Three constraints shape this, and all three rule out the obvious approach:
+ *
+ * - the background context is an **MV3 service worker**, so there is no DOM, no
+ *   reliable `fetch` of extension-relative URLs at arbitrary times, and the
+ *   worker can be killed and cold-started between any two messages
+ * - the extension CSP is `script-src 'self' 'wasm-unsafe-eval'`, which permits
+ *   compiling WASM but not fetching it from anywhere interesting
+ * - callers are synchronous — `pair.sign()` in the keyring has no `await` to give
+ *
+ * So the WASM is zlib-compressed, base64'd into `bytes.js` at build time, and
+ * instantiated here with wasm-bindgen's `initSync`. Nothing is fetched, and the
+ * whole module is ready before the first call returns.
+ *
+ * Deliberately *not* using `@polkadot/wasm-bridge`: its `Bridge` implements
+ * wasm-bindgen 0.2.79's JS-heap ABI, and this crate is built with 0.2.128, which
+ * uses externref tables. See quantus/wasm#1.
+ */
+
+let initialised = false;
+let initError: string | null = null;
+
+/**
+ * Ensure the WASM is instantiated. Idempotent and cheap after the first call.
+ *
+ * Returns `null` on success, or the failure reason. It does not throw: a caller
+ * deciding whether to offer a Quantus account at all wants to ask, and an
+ * exception thrown from module scope in a service worker is hard to attribute.
+ */
+export function initWasm (): string | null {
+  if (initialised) {
+    return initError;
+  }
+
+  initialised = true;
+
+  try {
+    initSync({ module: unzlibSync(base64Decode(bytes, new Uint8Array(lenOut))) });
+  } catch (error) {
+    initError = (error as Error).message;
+  }
+
+  return initError;
+}
+
+/** Whether the WASM is available. Callers that can fall back should ask first. */
+export function isReady (): boolean {
+  return initWasm() === null;
+}

packages/quantus-crypto/src/lib.rs

@@ -0,0 +1,27 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+//! Quantus post-quantum crypto for the browser.
+//!
+//! Every function here delegates to the crates the Quantus runtime itself uses
+//! (`qp-rusty-crystals-dilithium`, `qp-poseidon-core`, `qp-rusty-crystals-hdwallet`)
+//! rather than reimplementing anything. That is the whole point: a browser wallet
+//! that disagreed with the chain about a key or a signature would produce
+//! perfectly well-formed output that the chain rejects, and nothing on this side
+//! could tell.
+
+#[path = "rs/hdwallet.rs"]
+pub mod hdwallet;
+
+#[path = "rs/mldsa.rs"]
+pub mod mldsa;
+
+#[path = "rs/poseidon.rs"]
+pub mod poseidon;
+
+#[path = "rs/scheme.rs"]
+pub mod scheme;
+
+#[cfg(test)]
+#[path = "rs/tests.rs"]
+mod tests;

packages/quantus-crypto/src/rs/hdwallet.rs

@@ -0,0 +1,231 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+use wasm_bindgen::prelude::*;
+
+use crate::scheme::dispatch;
+
+/// Derive a keypair from a BIP39 mnemonic at a hardened derivation path.
+///
+/// Lattice keys have no public derivability, so there is no soft-junction
+/// equivalent and the crate rejects any unhardened path outright. The Quantus
+/// convention is:
+///
+/// ```text
+/// m/44'/189189'/<account>'/0'/<0 for ML-DSA-87 | 1 for ML-DSA-65>'
+/// ```
+///
+/// with the account index at the third level and the *scheme* carried in the
+/// trailing index. That is unusual, and it is what `quantus-cli` and the mobile
+/// wallet already use — deriving anything else produces addresses no other
+/// Quantus tool can find.
+///
+/// The seeding matters as much as the path. This goes mnemonic → 64-byte BIP39
+/// seed → HMAC-SHA512 chain keyed with the literal string `"Dilithium seed"`.
+/// Substrate's own `mnemonicToMiniSecret` is a *different* derivation and is the
+/// default reach in the polkadot-js codebase; using it here would yield a
+/// well-formed key for an account nobody owns.
+///
+/// * mnemonic: BIP39 phrase, 12/15/18/21/24 words
+/// * password: BIP39 passphrase; empty string for none
+/// * path: hardened derivation path, e.g. `m/44'/189189'/0'/0'/1'`
+/// * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+///
+/// * returned vector is the secret key followed by the public key, as
+///   `ext_mldsa_from_seed` returns.
+#[wasm_bindgen]
+pub fn ext_mldsa_derive(mnemonic: &str, password: &str, path: &str, scheme: u32) -> Result<Vec<u8>, JsError> {
+	mldsa_derive(mnemonic, password, path, scheme).map_err(|e| JsError::new(&e))
+}
+
+/// The body of [`ext_mldsa_derive`]. See [`crate::mldsa::mldsa_from_seed`] for why
+/// this is split from its binding.
+pub fn mldsa_derive(mnemonic: &str, password: &str, path: &str, scheme: u32) -> Result<Vec<u8>, String> {
+	// An empty passphrase and no passphrase are the same thing in BIP39, but the
+	// crate distinguishes `None` from `Some("")` in its signature, so normalise
+	// here rather than leaving each caller to pick one.
+	let password = if password.is_empty() {
+		None
+	} else {
+		Some(password)
+	};
+
+	dispatch!(scheme, _dsa, hd, {
+		let pair = hd::derive_key_from_mnemonic(mnemonic, password, path)
+			.map_err(alloc_error)?;
+		let mut out = pair.secret().to_bytes().to_vec();
+
+		out.extend_from_slice(&pair.public().to_bytes());
+
+		Ok(out)
+	})
+}
+
+/// Render a derivation failure as a string.
+///
+/// Kept separate so the error text stays whatever the crate said — a bad
+/// mnemonic, an unhardened path and a path that is too deep are different
+/// mistakes and a user can only fix the one they made.
+fn alloc_error(e: qp_rusty_crystals_hdwallet::HDLatticeError) -> String {
+	format!("{e}")
+}
+
+/// The largest number of wormhole addresses one call derives. Each is a Poseidon
+/// hash over an HMAC-SHA512 chain; the bound keeps a caller from asking for a
+/// million of them and locking the page.
+pub const WORMHOLE_MAX_BATCH: u32 = 1000;
+
+/// Derive consecutive wormhole addresses for one account and branch.
+///
+/// A wormhole address is not a key. The path yields a 32-byte **secret**, and
+/// the address is `poseidon(poseidon(salt ‖ secret))`; funds leave it only
+/// through a ZK proof of knowing that secret. So this returns the addresses and
+/// nothing else. The secrets and the intermediate `first_hash` stay inside this
+/// call and are wiped on drop by the crate's sensitive types.
+///
+/// Paths are `m/44'/189189189'/<account>'/<change>'/<index>'`, as the mobile
+/// wallet derives them: change `0` is the receive branch, `1` the change branch.
+///
+/// The BIP39 seed is stretched once for the whole batch. Stretching per address
+/// is PBKDF2 with 2048 rounds each time, and a gap-limit window is dozens of
+/// addresses.
+///
+/// * mnemonic: BIP39 phrase
+/// * password: BIP39 passphrase; empty string for none
+/// * account, change, start, count: which addresses; count <= WORMHOLE_MAX_BATCH
+///
+/// * returned vector is `count` 32-byte account ids, concatenated
+#[wasm_bindgen]
+pub fn ext_wormhole_addresses(mnemonic: &str, password: &str, account: u32, change: u32, start: u32, count: u32) -> Result<Vec<u8>, JsError> {
+	wormhole_addresses(mnemonic, password, account, change, start, count).map_err(|e| JsError::new(&e))
+}
+
+/// The body of [`ext_wormhole_addresses`], split from its binding for the same
+/// reason as [`mldsa_derive`].
+pub fn wormhole_addresses(mnemonic: &str, password: &str, account: u32, change: u32, start: u32, count: u32) -> Result<Vec<u8>, String> {
+	use qp_rusty_crystals_hdwallet::{generate_wormhole_from_seed, mnemonic_to_seed, SensitiveBytes64};
+
+	if count > WORMHOLE_MAX_BATCH {
+		return Err(format!("At most {WORMHOLE_MAX_BATCH} wormhole addresses per call, asked for {count}"));
+	}
+
+	if start.checked_add(count).is_none_or(|end| end > 0x8000_0000) {
+		return Err(format!("Wormhole address indices must stay below 2^31, asked for {start} + {count}"));
+	}
+
+	let password = if password.is_empty() {
+		None
+	} else {
+		Some(password)
+	};
+	let mut seed = SensitiveBytes64::zeroed();
+
+	mnemonic_to_seed(mnemonic.to_string(), password, &mut seed).map_err(alloc_error)?;
+
+	let mut out = Vec::with_capacity(count as usize * 32);
+
+	for index in start..start + count {
+		let path = format!("m/44'/189189189'/{account}'/{change}'/{index}'");
+		let pair = generate_wormhole_from_seed(&seed, &path).map_err(alloc_error)?;
+
+		out.extend_from_slice(pair.address());
+	}
+
+	Ok(out)
+}
+
+/// Salt the chain's nullifier derivation starts from: `NULLIFIER_SALT` in
+/// `qp-wormhole-circuit`.
+const NULLIFIER_SALT: &str = "~nullif~";
+
+/// The largest number of nullifiers one call computes.
+pub const NULLIFIER_MAX_BATCH: u32 = 100_000;
+
+/// Nullifiers for a run of wormhole addresses' deposits, by transfer count.
+///
+/// A deposit to a wormhole address is spent when its nullifier is in
+/// `Wormhole::UsedNullifiers`. The nullifier is
+///
+/// ```text
+/// poseidon2(poseidon2(salt("~nullif~") ‖ secret ‖ transfer_count))
+/// ```
+///
+/// where `transfer_count` is the address's counter when the deposit landed. It
+/// needs the address's secret, which is why this takes the recovery phrase and
+/// why a nullifier should never be sent anywhere to be checked: exits publish
+/// nullifiers, so whoever sees yours can name your exits.
+///
+/// For addresses `m/44'/189189189'/<account>'/<change>'/<index>'` with index in
+/// `start..start + addresses`, and transfer counts `first..first + count` for
+/// each. The BIP39 seed is stretched once for the whole run.
+///
+/// Ported onto `qp-poseidon-core` rather than calling `qp-wormhole-circuit`,
+/// which would bring plonky2 into the WASM. The port is pinned to the circuit
+/// crate's own `Nullifier::from_preimage` by the tests.
+///
+/// * returned vector is `addresses * count` 32-byte nullifiers: address by
+///   address, and by transfer count within each
+#[wasm_bindgen]
+#[allow(clippy::too_many_arguments)]
+pub fn ext_wormhole_nullifiers(mnemonic: &str, password: &str, account: u32, change: u32, start: u32, addresses: u32, first: u64, count: u32) -> Result<Vec<u8>, JsError> {
+	wormhole_nullifiers(mnemonic, password, account, change, start, addresses, first, count).map_err(|e| JsError::new(&e))
+}
+
+/// The body of [`ext_wormhole_nullifiers`].
+#[allow(clippy::too_many_arguments)]
+pub fn wormhole_nullifiers(mnemonic: &str, password: &str, account: u32, change: u32, start: u32, addresses: u32, first: u64, count: u32) -> Result<Vec<u8>, String> {
+	use qp_rusty_crystals_hdwallet::{generate_wormhole_from_seed, mnemonic_to_seed, SensitiveBytes64};
+
+	let total = addresses as u64 * count as u64;
+
+	if total > NULLIFIER_MAX_BATCH as u64 {
+		return Err(format!("At most {NULLIFIER_MAX_BATCH} nullifiers per call, asked for {total}"));
+	}
+
+	if start.checked_add(addresses).is_none_or(|end| end > 0x8000_0000) {
+		return Err(format!("Wormhole address indices must stay below 2^31, asked for {start} + {addresses}"));
+	}
+
+	first.checked_add(count as u64).ok_or("Transfer counts overflow")?;
+
+	let password = if password.is_empty() {
+		None
+	} else {
+		Some(password)
+	};
+	let mut seed = SensitiveBytes64::zeroed();
+
+	mnemonic_to_seed(mnemonic.to_string(), password, &mut seed).map_err(alloc_error)?;
+
+	let mut out = Vec::with_capacity(total as usize * 32);
+
+	for index in start..start + addresses {
+		let path = format!("m/44'/189189189'/{account}'/{change}'/{index}'");
+		let pair = generate_wormhole_from_seed(&seed, &path).map_err(alloc_error)?;
+
+		for transfer_count in first..first + count as u64 {
+			out.extend_from_slice(&nullifier(pair.secret().as_bytes(), transfer_count));
+		}
+	}
+
+	Ok(out)
+}
+
+/// One nullifier from a wormhole secret and a transfer count.
+pub fn nullifier(secret: &[u8; 32], transfer_count: u64) -> [u8; 32] {
+	use qp_poseidon_core::{
+		hash_twice,
+		serialization::{bytes_to_digest_lossy, string_to_felts, u64_to_felts},
+	};
+
+	let salt = string_to_felts(NULLIFIER_SALT);
+	let secret_felts = bytes_to_digest_lossy(secret);
+	let count_felts = u64_to_felts(transfer_count);
+	let mut preimage = Vec::with_capacity(salt.len() + secret_felts.len() + count_felts.len());
+
+	preimage.extend_from_slice(&salt);
+	preimage.extend_from_slice(&secret_felts);
+	preimage.extend_from_slice(&count_felts);
+
+	hash_twice(&preimage)
+}

packages/quantus-crypto/src/rs/mldsa.rs

@@ -0,0 +1,164 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+use wasm_bindgen::prelude::*;
+
+use crate::scheme::dispatch;
+
+/// Key and signature sizes for a parameter set, as
+/// `[public, secret, signature, signature_with_public]`.
+///
+/// Exported so that nothing on the JS side has to hardcode 1952/4032/3309/5261 or
+/// 2592/4896/4627/7219. Those numbers are consensus-critical — the runtime reads a
+/// fixed-size array off the wire — and a JS constant that drifted from the crate
+/// would mis-frame every byte after the signature while looking entirely healthy.
+/// Ask the crate instead.
+///
+/// * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+///
+/// * returned vector is four u32 lengths, little-endian, 16 bytes total.
+#[wasm_bindgen]
+pub fn ext_mldsa_sizes(scheme: u32) -> Vec<u8> {
+	dispatch!(scheme, dsa, _hd, {
+		let sizes: [u32; 4] = [
+			dsa::PUBLICKEYBYTES as u32,
+			dsa::SECRETKEYBYTES as u32,
+			dsa::SIGNBYTES as u32,
+			(dsa::SIGNBYTES + dsa::PUBLICKEYBYTES) as u32,
+		];
+
+		sizes.iter().flat_map(|n| n.to_le_bytes()).collect()
+	})
+}
+
+/// Whether `scheme` names a parameter set this build supports.
+///
+/// `dispatch!` falls back to ML-DSA-87 for anything unrecognised, which is the
+/// right default but a poor way to discover a typo. Callers that accept a scheme
+/// from storage or from a user should check here first.
+#[wasm_bindgen]
+pub fn ext_mldsa_is_scheme(scheme: u32) -> bool {
+	scheme == crate::scheme::ML_DSA_87 || scheme == crate::scheme::ML_DSA_65
+}
+
+/// Generate a keypair from 32 bytes of entropy.
+///
+/// This is FIPS 204 `ML-DSA.KeyGen_internal` with no Quantus-specific step: the
+/// crate expands the seed as `SHAKE256(seed ‖ k ‖ ℓ)`, so the parameter set is
+/// absorbed into the expansion and the same 32 bytes yield independent keys per
+/// scheme. That is why the dev accounts (`[0u8; 32]`, `[1u8; 32]`, `[2u8; 32]`)
+/// and HD-derived accounts can share this one entry point.
+///
+/// * seed: UIntArray with 32 elements
+/// * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+///
+/// * returned vector is the secret key followed by the public key, matching the
+///   ordering `ext_ed_from_seed` uses. Split it at the secret length from
+///   `ext_mldsa_sizes`.
+#[wasm_bindgen]
+pub fn ext_mldsa_from_seed(seed: &[u8], scheme: u32) -> Result<Vec<u8>, JsError> {
+	mldsa_from_seed(seed, scheme).map_err(|e| JsError::new(&e))
+}
+
+/// The body of [`ext_mldsa_from_seed`], without the binding layer.
+///
+/// Split out because `JsError` cannot be constructed on a non-wasm target — it
+/// panics with "cannot call wasm-bindgen imported functions on non-wasm targets" —
+/// so anything that returns one is untestable by `cargo test`. The error paths are
+/// exactly what most needs testing, so the logic lives here and the exported
+/// wrapper does nothing but translate.
+pub fn mldsa_from_seed(seed: &[u8], scheme: u32) -> Result<Vec<u8>, String> {
+	if seed.len() != 32 {
+		return Err("expected a 32 byte seed".into());
+	}
+
+	// `SensitiveBytes32::from` takes the buffer mutably and the crate zeroes it
+	// after use, so the copy we hand it is destroyed rather than left on the
+	// stack. Do not replace this with a by-value clone of `seed`.
+	let mut entropy = [0u8; 32];
+
+	entropy.copy_from_slice(seed);
+
+	let mut entropy = qp_rusty_crystals_dilithium::SensitiveBytes32::from(&mut entropy);
+
+	dispatch!(scheme, dsa, _hd, {
+		let pair = dsa::Keypair::generate(&mut entropy);
+		let mut out = pair.secret().to_bytes().to_vec();
+
+		out.extend_from_slice(&pair.public().to_bytes());
+
+		Ok(out)
+	})
+}
+
+/// Sign a message under a FIPS 204 context.
+///
+/// Signing is deterministic — no hedging randomness — because that is what the
+/// runtime does (`hedge: None`), and a wallet that hedged would produce a
+/// different signature each time for the same input, which makes the
+/// byte-for-byte agreement tests in quantus/wasm#2 impossible to write.
+///
+/// `ctx` is domain separation and it is **not** optional in practice: extrinsics
+/// on spec >= 148 are verified under `QUANTUS_EXTRINSIC`, earlier specs under the
+/// empty context, and a signature made under the wrong one is valid, rejected by
+/// the chain, and indistinguishable locally. The caller chooses; this function
+/// does not guess.
+///
+/// * secret: UIntArray, secret-key length for the scheme
+/// * public: UIntArray, public-key length for the scheme
+/// * message: arbitrary length UIntArray
+/// * ctx: UIntArray, at most 255 elements; empty for no context
+/// * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+///
+/// * returned vector is the signature alone. The runtime's wire format is
+///   `signature ‖ public`; concatenating is the caller's job because only the
+///   caller knows whether it wants the wire form or the bare signature.
+#[wasm_bindgen]
+pub fn ext_mldsa_sign(secret: &[u8], public: &[u8], message: &[u8], ctx: &[u8], scheme: u32) -> Result<Vec<u8>, JsError> {
+	mldsa_sign(secret, public, message, ctx, scheme).map_err(|e| JsError::new(&e))
+}
+
+/// The body of [`ext_mldsa_sign`]. See [`mldsa_from_seed`] for why this is split.
+pub fn mldsa_sign(secret: &[u8], public: &[u8], message: &[u8], ctx: &[u8], scheme: u32) -> Result<Vec<u8>, String> {
+	if ctx.len() > 255 {
+		return Err("context must be at most 255 bytes".into());
+	}
+
+	dispatch!(scheme, dsa, _hd, {
+		// `from_parts` re-derives the public key from the secret and rejects a
+		// mismatch, so a corrupted or mixed-up pair fails here rather than
+		// producing a signature that silently will not verify.
+		let secret = dsa::SecretKey::from_bytes(secret)
+			.map_err(|_| "invalid secret key".to_string())?;
+		let public = dsa::PublicKey::from_bytes(public)
+			.map_err(|_| "invalid public key".to_string())?;
+		let pair = dsa::Keypair::from_parts(secret, public)
+			.map_err(|_| "secret and public key do not correspond".to_string())?;
+
+		pair
+			.sign(message, Some(ctx), None)
+			.map(|sig| sig.to_vec())
+			.map_err(|_| "signing failed".to_string())
+	})
+}
+
+/// Verify a signature against a message and public key under a context.
+///
+/// * public: UIntArray, public-key length for the scheme
+/// * message: arbitrary length UIntArray
+/// * signature: UIntArray, signature length for the scheme
+/// * ctx: UIntArray, at most 255 elements; empty for no context
+/// * scheme: 0 for ML-DSA-87, 1 for ML-DSA-65
+#[wasm_bindgen]
+pub fn ext_mldsa_verify(public: &[u8], message: &[u8], signature: &[u8], ctx: &[u8], scheme: u32) -> bool {
+	if ctx.len() > 255 {
+		return false;
+	}
+
+	dispatch!(scheme, dsa, _hd, {
+		match dsa::PublicKey::from_bytes(public) {
+			Ok(public) => public.verify(message, signature, Some(ctx)),
+			Err(_) => false
+		}
+	})
+}

packages/quantus-crypto/src/rs/poseidon.rs

@@ -0,0 +1,22 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+use wasm_bindgen::prelude::*;
+
+/// Poseidon2-over-Goldilocks hash of arbitrary bytes.
+///
+/// This is the account-id derivation. On Substrate an `AccountId32` *is* the
+/// public key; on Quantus it is `hash_bytes(public_key)`, which is why a Quantus
+/// signature has to carry its public key along — the address cannot give it back.
+///
+/// `qp_poseidon_core::hash_bytes` is `IdentifyAccount for DilithiumSigner` in the
+/// runtime, so this is the same function the chain uses to decide who signed
+/// something, reached through the same crate rather than a port of it.
+///
+/// * data: arbitrary length UIntArray
+///
+/// * returned vector is 32 bytes.
+#[wasm_bindgen]
+pub fn ext_poseidon_hash(data: &[u8]) -> Vec<u8> {
+	qp_poseidon_core::hash_bytes(data).to_vec()
+}

packages/quantus-crypto/src/rs/scheme.rs

@@ -0,0 +1,47 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+//! Which ML-DSA parameter set a call refers to.
+//!
+//! The selector is the chain's own signature-enum variant index, not a private
+//! numbering: `DilithiumSignatureScheme::Dilithium87` is variant 0 and
+//! `Dilithium65` is variant 1, and that byte is what a signed extrinsic carries
+//! on the wire. Reusing it here means the number threaded through this API is
+//! the number that ends up in the extrinsic, so there is no mapping table to get
+//! backwards between here and `TYPE_PREFIX` in the keyring.
+
+/// ML-DSA-87 — the legacy scheme, used by accounts created before the scheme was
+/// recorded, and by the dev-genesis accounts.
+pub const ML_DSA_87: u32 = 0;
+
+/// ML-DSA-65 — what new accounts use.
+pub const ML_DSA_65: u32 = 1;
+
+/// Runs `$body` with `$dsa` and `$hd` bound to the parameter-set modules named by
+/// `$scheme`.
+///
+/// An unrecognised selector resolves to ML-DSA-87 rather than panicking: 0 is the
+/// legacy scheme and the safest thing an out-of-range value can mean. Callers
+/// that care validate first — see `ext_mldsa_is_scheme`.
+macro_rules! dispatch {
+	($scheme:expr, $dsa:ident, $hd:ident, $body:block) => {
+		match $scheme {
+			$crate::scheme::ML_DSA_65 => {
+				#[allow(unused_imports)]
+				use qp_rusty_crystals_dilithium::ml_dsa_65 as $dsa;
+				#[allow(unused_imports)]
+				use qp_rusty_crystals_hdwallet::ml_dsa_65 as $hd;
+				$body
+			},
+			_ => {
+				#[allow(unused_imports)]
+				use qp_rusty_crystals_dilithium::ml_dsa_87 as $dsa;
+				#[allow(unused_imports)]
+				use qp_rusty_crystals_hdwallet::ml_dsa_87 as $hd;
+				$body
+			},
+		}
+	};
+}
+
+pub(crate) use dispatch;

packages/quantus-crypto/src/rs/tests.rs

@@ -0,0 +1,303 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+//! Conformance against the chain, not against ourselves.
+//!
+//! Every expected value here came from an independent implementation — the
+//! `quantus` CLI 2.2.2 — and not from running this crate and writing down what
+//! it said. A test that pins our own output would keep passing through exactly
+//! the kind of drift these exist to catch.
+//!
+//! Addresses are pinned as raw account-id bytes rather than SS58 strings so this
+//! file needs no base58 dependency; the SS58 rendering at prefix 189 is pinned on
+//! the JS side, which is where it is actually used.
+
+use crate::{hdwallet::{mldsa_derive, wormhole_addresses}, mldsa::*, poseidon::*, scheme::*};
+
+/// FIPS 204 context for on-chain extrinsic signatures, spec >= 148.
+/// `chain:primitives/dilithium-crypto/src/signing_context.rs`.
+const EXTRINSIC: &[u8] = b"QUANTUS_EXTRINSIC";
+
+fn account_of(seed_fill: u8, scheme: u32) -> Vec<u8> {
+	let pair = mldsa_from_seed(&[seed_fill; 32], scheme).expect("keygen");
+	let secret_len = secret_len(scheme);
+
+	ext_poseidon_hash(&pair[secret_len..])
+}
+
+fn secret_len(scheme: u32) -> usize {
+	let sizes = ext_mldsa_sizes(scheme);
+
+	u32::from_le_bytes(sizes[4..8].try_into().unwrap()) as usize
+}
+
+#[test]
+fn sizes_match_the_parameter_sets() {
+	// [public, secret, signature, signature_with_public]
+	let s87: Vec<u32> = ext_mldsa_sizes(ML_DSA_87).chunks(4).map(|c| u32::from_le_bytes(c.try_into().unwrap())).collect();
+	let s65: Vec<u32> = ext_mldsa_sizes(ML_DSA_65).chunks(4).map(|c| u32::from_le_bytes(c.try_into().unwrap())).collect();
+
+	assert_eq!(s87, vec![2592, 4896, 4627, 7219]);
+	assert_eq!(s65, vec![1952, 4032, 3309, 5261]);
+}
+
+/// The dev accounts endowed at genesis, from `chain:primitives/dilithium-crypto/src/pair.rs`.
+///
+/// Expected values are the account ids behind the SS58 addresses that
+/// `quantus developer create-test-wallets` prints:
+///
+/// ```text
+/// crystal_alice    qzk1Nxai3dZD9Cn5kwGcgL6mKxsfxwqdis7kDQJ52aJS2vSn7
+/// dilithium_bob    qzkYEQv8tQsmniZYdame3Cku18RL5g9bGK9Pdydq5TMPdpE3y
+/// crystal_charlie  qzntBpmqHZF1jxC8KJKpuxcYuHST892jyXBqRctpAxd1WQ9BL
+/// ```
+///
+/// They are ML-DSA-87 and come from the seed directly with no HD derivation, so
+/// this pins the legacy scheme and the raw-seed path in one go.
+#[test]
+fn dev_account_ids_match_the_cli() {
+	assert_eq!(
+		hex(&account_of(0, ML_DSA_87)),
+		"1883df2ae47d1fd428a6b8237ad7b59cf0facccaacac4541ef7758be44b3c333",
+		"crystal_alice"
+	);
+	assert_eq!(
+		hex(&account_of(1, ML_DSA_87)),
+		"300bb607ba60e89461d2f9005668231ceb30237b33db53a614164b8590965519",
+		"dilithium_bob"
+	);
+	assert_eq!(
+		hex(&account_of(2, ML_DSA_87)),
+		"97bc5f2db1efa23fb71f6737fcb26e41e448aff07447011369df81ce43555465",
+		"crystal_charlie"
+	);
+}
+
+/// The same 32 bytes must give different keys per parameter set — FIPS 204
+/// absorbs `(k, ℓ)` into the seed expansion. If these ever collided it would mean
+/// the scheme selector was being ignored somewhere.
+#[test]
+fn schemes_are_independent_for_the_same_seed() {
+	assert_ne!(account_of(0, ML_DSA_87), account_of(0, ML_DSA_65));
+}
+
+#[test]
+fn signs_and_verifies_under_the_extrinsic_context() {
+	for scheme in [ML_DSA_87, ML_DSA_65] {
+		let pair = mldsa_from_seed(&[7u8; 32], scheme).expect("keygen");
+		let (secret, public) = pair.split_at(secret_len(scheme));
+		let message = b"the payload the chain will see";
+		let signature = mldsa_sign(secret, public, message, EXTRINSIC, scheme).expect("sign");
+
+		assert!(ext_mldsa_verify(public, message, &signature, EXTRINSIC, scheme));
+
+		// The whole point of the context. A signature made for an extrinsic must
+		// not verify as anything else, and vice versa — this is what makes the
+		// spec-148 boundary detectable instead of a silent chain rejection.
+		assert!(!ext_mldsa_verify(public, message, &signature, b"", scheme));
+		assert!(!ext_mldsa_verify(public, b"tampered", &signature, EXTRINSIC, scheme));
+	}
+}
+
+/// The runtime signs with `hedge: None`. If this crate ever introduced hedging
+/// randomness the golden vectors in quantus/wasm#2 would become unwritable, and
+/// nothing else would notice.
+#[test]
+fn signing_is_deterministic() {
+	let pair = mldsa_from_seed(&[9u8; 32], ML_DSA_65).expect("keygen");
+	let (secret, public) = pair.split_at(secret_len(ML_DSA_65));
+	let once = mldsa_sign(secret, public, b"m", EXTRINSIC, ML_DSA_65).expect("sign");
+	let twice = mldsa_sign(secret, public, b"m", EXTRINSIC, ML_DSA_65).expect("sign");
+
+	assert_eq!(once, twice);
+}
+
+#[test]
+fn rejects_bad_input() {
+	assert!(mldsa_from_seed(&[0u8; 16], ML_DSA_65).is_err(), "short seed");
+
+	let pair = mldsa_from_seed(&[1u8; 32], ML_DSA_65).expect("keygen");
+	let (secret, public) = pair.split_at(secret_len(ML_DSA_65));
+
+	assert!(mldsa_sign(secret, public, b"m", &[0u8; 256], ML_DSA_65).is_err(), "context > 255");
+	assert!(mldsa_sign(&secret[1..], public, b"m", EXTRINSIC, ML_DSA_65).is_err(), "truncated secret");
+
+	// A pair whose halves do not correspond must fail at import rather than
+	// produce a signature that silently will not verify.
+	let other = mldsa_from_seed(&[2u8; 32], ML_DSA_65).expect("keygen");
+	let other_public = &other[secret_len(ML_DSA_65)..];
+
+	assert!(mldsa_sign(secret, other_public, b"m", EXTRINSIC, ML_DSA_65).is_err(), "mismatched pair");
+}
+
+/// The well-known Substrate development phrase. Public by design — it is in
+/// polkadot-sdk, in polkadot-js, and in every tutorial — so pinning it here
+/// commits no secret. Any account it derives is assumed compromised.
+const DEV_PHRASE: &str = "bottom drive obey lake curtain smoke basket hold race lonely fit walk";
+
+/// HD derivation at the Quantus BIP44 path, cross-checked against
+/// `quantus wallet import --mnemonic-file <DEV_PHRASE> --scheme <s>`, which
+/// printed:
+///
+/// ```text
+/// ml-dsa-65  m/44'/189189'/0'/0'/1'  qzq29m9WvneDAeXbtgueKCREtNe1rVVs6bXSMLmjr6shqvwq6
+/// ml-dsa-87  m/44'/189189'/0'/0'/0'  qzjrYTUnnE5NduTZKxe9dESCMTZg7nTueKM3bwhnkRdD1iYV4
+/// ```
+///
+/// This pins the whole derivation chain at once: BIP39 to a 64-byte seed (*not*
+/// Substrate's `mnemonicToMiniSecret`), the HMAC-SHA512 walk keyed with
+/// "Dilithium seed", the trailing hardened index carrying the scheme, and the
+/// Poseidon2 account-id hash on the end.
+#[test]
+fn hd_derivation_matches_the_cli() {
+	let cases = [
+		(ML_DSA_65, "m/44'/189189'/0'/0'/1'", "f647dbdefebcfcf726ba078a83481ffc6f4f33004fdfb4cedacf5a5391bc8f00"),
+		(ML_DSA_87, "m/44'/189189'/0'/0'/0'", "11c6a314e003cdee3dc51cf6569175360141578d054c38d7a70840a65cc0e990")
+	];
+
+	for (scheme, path, expected) in cases {
+		let pair = mldsa_derive(DEV_PHRASE, "", path, scheme).expect("derive");
+		let account = ext_poseidon_hash(&pair[secret_len(scheme)..]);
+
+		assert_eq!(hex(&account), expected, "{path}");
+	}
+}
+
+/// Lattice keys have no public derivability, so the crate rejects unhardened
+/// paths outright rather than inventing a meaning for them. A wallet that
+/// silently hardened a soft path would put funds at an address the user did not
+/// ask for.
+#[test]
+fn derivation_rejects_bad_input() {
+	assert!(mldsa_derive(DEV_PHRASE, "", "m/44'/189189'/0'/0'/1", ML_DSA_65).is_err(), "unhardened");
+	assert!(mldsa_derive("not a mnemonic at all", "", "m/44'/189189'/0'/0'/1'", ML_DSA_65).is_err(), "bad phrase");
+	assert!(mldsa_derive(DEV_PHRASE, "", "not a path", ML_DSA_65).is_err(), "bad path");
+}
+
+/// A BIP39 passphrase must change the result, and an empty string must mean
+/// "no passphrase" rather than "a passphrase that happens to be empty" — the
+/// two are the same in BIP39 but the crate's signature distinguishes them, and
+/// normalising in the wrong direction would silently fork every address.
+#[test]
+fn passphrase_is_honoured_and_empty_means_none() {
+	let path = "m/44'/189189'/0'/0'/1'";
+	let none = mldsa_derive(DEV_PHRASE, "", path, ML_DSA_65).expect("derive");
+	let with = mldsa_derive(DEV_PHRASE, "hunter2", path, ML_DSA_65).expect("derive");
+
+	assert_ne!(none, with);
+}
+
+#[test]
+fn scheme_validation() {
+	assert!(ext_mldsa_is_scheme(ML_DSA_87));
+	assert!(ext_mldsa_is_scheme(ML_DSA_65));
+	assert!(!ext_mldsa_is_scheme(2));
+}
+
+fn hex(bytes: &[u8]) -> String {
+	bytes.iter().map(|b| format!("{b:02x}")).collect()
+}
+
+/// The chain node's own wormhole vector, `node/src/tests/data/quantus_key_test_data.rs`:
+/// `TEST_MNEMONIC` at `m/44'/189189189'/0'/0'/0'` is `TEST_WORMHOLE_ADDRESS`,
+/// `qzpWh4AEtsgCyEbv4WBgFWnB9bcdF2L2jVDuyjXP9mSTyBaeU`. The mobile wallet's SDK
+/// pins the same pair (`generate_keys_test.dart`), so three implementations agree.
+#[test]
+fn wormhole_address_matches_the_node() {
+	const MNEMONIC: &str = "orchard answer curve patient visual flower maze noise retreat penalty cage small earth domain scan pitch bottom crunch theme club client swap slice raven";
+
+	let batch = wormhole_addresses(MNEMONIC, "", 0, 0, 0, 3).expect("derive");
+
+	assert_eq!(batch.len(), 96);
+	assert_eq!(hex(&batch[..32]), "dfcfd6e59c75d208e84f54a887537bcf7b04265790ec79960bf49de123404d0e");
+
+	// A batch is the same as asking for each index on its own: the seed is
+	// stretched once, but every address still gets its own path.
+	for i in 0..3u32 {
+		let one = wormhole_addresses(MNEMONIC, "", 0, 0, i, 1).expect("derive one");
+
+		assert_eq!(one, batch[(i as usize * 32)..(i as usize + 1) * 32].to_vec());
+	}
+
+	// Receive and change branches, and account indices, are different addresses.
+	assert_ne!(wormhole_addresses(MNEMONIC, "", 0, 1, 0, 1).unwrap(), batch[..32].to_vec());
+	assert_ne!(wormhole_addresses(MNEMONIC, "", 1, 0, 0, 1).unwrap(), batch[..32].to_vec());
+}
+
+#[test]
+fn wormhole_addresses_refuse_unbounded_requests() {
+	const MNEMONIC: &str = "orchard answer curve patient visual flower maze noise retreat penalty cage small earth domain scan pitch bottom crunch theme club client swap slice raven";
+
+	assert!(wormhole_addresses(MNEMONIC, "", 0, 0, 0, 1001).is_err());
+	assert!(wormhole_addresses(MNEMONIC, "", 0, 0, 0x7fff_ffff, 2).is_err());
+	assert!(wormhole_addresses("not a mnemonic", "", 0, 0, 0, 1).is_err());
+}
+
+/// The port of the nullifier agrees with the chain's circuit crate.
+///
+/// `qp_wormhole_circuit::nullifier::Nullifier::from_preimage` is what the proof
+/// commits to and what `Wormhole::UsedNullifiers` records, so it is the
+/// reference. Secrets span the edge the lossy 8-bytes-per-felt encoding cares
+/// about (limbs at and above the Goldilocks prime), and transfer counts span
+/// both 32-bit limbs.
+#[test]
+fn nullifier_matches_the_circuit() {
+	use crate::hdwallet::nullifier;
+	use qp_wormhole_circuit::nullifier::Nullifier;
+	use qp_zk_circuits_common::utils::{digest_to_bytes, BytesDigest};
+
+	let secrets: Vec<[u8; 32]> = vec![
+		[0u8; 32],
+		[0xff; 32],
+		core::array::from_fn(|i| i as u8),
+		core::array::from_fn(|i| (i as u8).wrapping_mul(97).wrapping_add(13)),
+		// every limb is the Goldilocks prime 2^64 - 2^32 + 1, big-endian
+		[0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x01].repeat(4).try_into().unwrap(),
+	];
+	let counts = [0u64, 1, 41_683, u32::MAX as u64, 1u64 << 32, u64::MAX];
+	let mut compared = 0;
+
+	for secret in &secrets {
+		for &count in &counts {
+			let digest = BytesDigest::try_from(*secret);
+			// The circuit's BytesDigest refuses a non-canonical limb; where it
+			// does, the chain can never produce that secret's nullifier either.
+			let Ok(digest) = digest else { continue };
+			let expected = digest_to_bytes(Nullifier::from_preimage(digest, count).hash);
+
+			assert_eq!(hex(&nullifier(secret, count)), hex(expected.as_ref()), "secret {} count {count}", hex(secret));
+			compared += 1;
+		}
+	}
+
+	// Skipping is for the non-canonical edge only; a test that compared
+	// nothing would pass just as well.
+	assert!(compared >= 18, "only {compared} cases compared");
+}
+
+#[test]
+fn wormhole_nullifiers_follow_each_address_secret() {
+	use crate::hdwallet::{nullifier, wormhole_nullifiers};
+	use qp_rusty_crystals_hdwallet::derive_wormhole_from_mnemonic;
+
+	const MNEMONIC: &str = "orchard answer curve patient visual flower maze noise retreat penalty cage small earth domain scan pitch bottom crunch theme club client swap slice raven";
+
+	// addresses 2 and 3 on the change branch, transfer counts 5..8
+	let batch = wormhole_nullifiers(MNEMONIC, "", 0, 1, 2, 2, 5, 3).unwrap();
+
+	assert_eq!(batch.len(), 2 * 3 * 32);
+
+	for (a, index) in [2u32, 3].into_iter().enumerate() {
+		let pair = derive_wormhole_from_mnemonic(MNEMONIC, None, &format!("m/44'/189189189'/0'/1'/{index}'")).unwrap();
+
+		for c in 0..3usize {
+			let at = (a * 3 + c) * 32;
+
+			assert_eq!(batch[at..at + 32].to_vec(), nullifier(pair.secret().as_bytes(), 5 + c as u64).to_vec(), "address {index} count {}", 5 + c);
+		}
+	}
+
+	assert!(wormhole_nullifiers(MNEMONIC, "", 0, 0, 0, 40, 0, 2_501).is_err());
+	assert!(wormhole_nullifiers(MNEMONIC, "", 0, 0, 0, 1, u64::MAX, 2).is_err());
+	assert!(wormhole_nullifiers(MNEMONIC, "", 0, 0, 0x7fff_ffff, 2, 0, 1).is_err());
+}

packages/quantus-crypto/src/scheme.ts

@@ -0,0 +1,46 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/**
+ * Which ML-DSA parameter set a call refers to.
+ *
+ * These are the chain's own `DilithiumSignatureScheme` variant indices, not a
+ * private numbering — the value here is the byte a signed extrinsic carries on
+ * the wire. Keeping them identical means the keyring's `TYPE_PREFIX` is the
+ * identity function on a scheme, with no table to get backwards.
+ */
+export enum Scheme {
+  /** ML-DSA-87. Legacy: accounts created before the scheme was recorded, and the dev-genesis accounts. */
+  MlDsa87 = 0,
+  /** ML-DSA-65. What new accounts use. */
+  MlDsa65 = 1
+}
+
+/**
+ * The name each scheme is stored under, matching `quantus-cli` and the mobile
+ * wallet so a wallet exported from one tool imports into another.
+ */
+export const SCHEME_NAME: Record<Scheme, string> = {
+  [Scheme.MlDsa87]: 'ml-dsa-87',
+  [Scheme.MlDsa65]: 'ml-dsa-65'
+};
+
+/**
+ * FIPS 204 context for on-chain extrinsic signatures.
+ *
+ * Only from spec 148 onward — earlier runtimes verify under the empty context,
+ * and a signature made under the wrong one is valid, rejected by the chain, and
+ * indistinguishable locally. Callers pass the spec version and get the right
+ * answer from {@link contextForSpec}; nothing here guesses.
+ */
+export const EXTRINSIC_CONTEXT = new TextEncoder().encode('QUANTUS_EXTRINSIC');
+
+/** First spec version that verifies extrinsics under {@link EXTRINSIC_CONTEXT}. */
+export const EXTRINSIC_MIN_SPEC = 148;
+
+/** The signing context a runtime at `specVersion` expects. */
+export function contextForSpec (specVersion: number): Uint8Array {
+  return specVersion >= EXTRINSIC_MIN_SPEC
+    ? EXTRINSIC_CONTEXT
+    : new Uint8Array();
+}

packages/quantus-crypto/test/consumer.mjs

@@ -0,0 +1,76 @@
+// Copyright 2026 @quantus/crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+//
+// Consumes the *built* package exactly as quantus/common will — a plain import of
+// build output, nothing reaching into src or poking the wasm by hand. Run after
+// ./scripts/build-quantus.sh.
+//
+// This exists because the unit tests in src/rs/tests.rs cannot catch packaging
+// faults. A wasm that is valid before `wasm-opt` and broken after it passes every
+// cargo test and fails here, which is exactly how binaryen 105's mishandling of
+// externref tables was found.
+
+import {
+  accountFromPublicKey, contextForSpec, EXTRINSIC_MIN_SPEC, initWasm,
+  isReady, keypairFromMnemonic, keypairFromSeed, Scheme, SCHEME_NAME,
+  sign, signatureWithPublicKey, sizes, verify, WormholeBranch, wormholeAddresses, wormholeNullifiers
+} from '@quantus/crypto';
+
+let fail = 0;
+const eq = (l, g, w) => { const ok = String(g) === String(w); if (!ok) fail++;
+  console.log(`${ok ? 'PASS' : 'FAIL'}  ${l}`); if (!ok) console.log(`   got  ${g}\n   want ${w}`); };
+
+eq('initWasm() returns no error', initWasm(), 'null');
+eq('isReady()', isReady(), true);
+
+const s65 = sizes(Scheme.MlDsa65);
+eq('ML-DSA-65 sizes', JSON.stringify(s65), '{"publicKey":1952,"secretKey":4032,"signature":3309,"signatureWithPublicKey":5261}');
+eq('scheme name', SCHEME_NAME[Scheme.MlDsa65], 'ml-dsa-65');
+eq('variant byte is the enum value', Scheme.MlDsa87, 0);
+
+// crystal_alice, via the public API only
+const pair87 = keypairFromSeed(new Uint8Array(32), Scheme.MlDsa87);
+eq('crystal_alice account id',
+  Buffer.from(accountFromPublicKey(pair87.publicKey)).toString('hex'),
+  '1883df2ae47d1fd428a6b8237ad7b59cf0facccaacac4541ef7758be44b3c333');
+
+// HD derivation, dev phrase, ML-DSA-65 default path
+const DEV = 'bottom drive obey lake curtain smoke basket hold race lonely fit walk';
+const hd = keypairFromMnemonic(DEV, '', "m/44'/189189'/0'/0'/1'", Scheme.MlDsa65);
+eq('dev phrase account id (ML-DSA-65)',
+  Buffer.from(accountFromPublicKey(hd.publicKey)).toString('hex'),
+  'f647dbdefebcfcf726ba078a83481ffc6f4f33004fdfb4cedacf5a5391bc8f00');
+
+// the signing-context boundary
+const msg = new TextEncoder().encode('extrinsic payload');
+const ctx = contextForSpec(EXTRINSIC_MIN_SPEC);
+const sig = sign(msg, hd, ctx, Scheme.MlDsa65);
+eq('signature length', sig.length, s65.signature);
+eq('verifies at spec 148', verify(msg, sig, hd.publicKey, ctx, Scheme.MlDsa65), true);
+eq('does NOT verify at spec 147', verify(msg, sig, hd.publicKey, contextForSpec(147), Scheme.MlDsa65), false);
+eq('contextForSpec(147) is empty', contextForSpec(147).length, 0);
+
+// the wire form
+eq('sig || pk length', signatureWithPublicKey(sig, hd.publicKey).length, s65.signatureWithPublicKey);
+
+// wormhole: the chain node's TEST_WORMHOLE_ADDRESS (qzpWh4AEtsgCyEbv4WBgFWnB9bcdF2L2jVDuyjXP9mSTyBaeU)
+const NODE_PHRASE = 'orchard answer curve patient visual flower maze noise retreat penalty cage small earth domain scan pitch bottom crunch theme club client swap slice raven';
+const wh = wormholeAddresses(NODE_PHRASE, '', 0, WormholeBranch.Receive, 0, 2);
+eq('wormhole address count', wh.length, 2);
+eq('wormhole receive 0 is the node test address',
+  Buffer.from(wh[0]).toString('hex'),
+  'dfcfd6e59c75d208e84f54a887537bcf7b04265790ec79960bf49de123404d0e');
+eq('change branch differs', Buffer.from(wormholeAddresses(NODE_PHRASE, '', 0, WormholeBranch.Change, 0, 1)[0]).toString('hex') !== Buffer.from(wh[0]).toString('hex'), true);
+
+// nullifiers: shape, determinism, and the cost of a wallet account's precompute
+const n = wormholeNullifiers(NODE_PHRASE, '', 0, WormholeBranch.Receive, 0, 2, 7, 3);
+eq('nullifier shape', `${n.length}x${n[0].length}x${n[0][0].length}`, '2x3x32');
+eq('nullifiers differ by count', Buffer.from(n[0][0]).equals(Buffer.from(n[0][1])), false);
+eq('nullifiers differ by address', Buffer.from(n[0][0]).equals(Buffer.from(n[1][0])), false);
+eq('a sub-range agrees', Buffer.from(wormholeNullifiers(NODE_PHRASE, '', 0, WormholeBranch.Receive, 1, 1, 8, 1)[0][0]).toString('hex'), Buffer.from(n[1][1]).toString('hex'));
+const t0 = performance.now();
+wormholeNullifiers(NODE_PHRASE, '', 0, WormholeBranch.Receive, 0, 20, 0, 256);
+wormholeNullifiers(NODE_PHRASE, '', 0, WormholeBranch.Change, 0, 20, 0, 256);
+console.log(`      40 addresses x 256 counts: ${Math.round(performance.now() - t0)} ms`);
+
+process.exit(fail ? 1 : 0);

packages/quantus-crypto/test/probe/.gitignore

@@ -0,0 +1 @@
+vendor/

packages/quantus-crypto/test/probe/README.md

@@ -0,0 +1,69 @@
+# Browser probes
+
+`cargo test` and the consumer test both run in node, and node is neither a
+browser nor a service worker. These two probes cover what node cannot: does the
+WASM instantiate with **no DOM**, under the **extension's own CSP**, and what does
+a cold start cost.
+
+Build first with `./scripts/build-quantus.sh`, stage `vendor/` (below), then run
+`node serve.mjs` from this directory.
+
+## `index.html` + `worker.js` — automated
+
+A module Worker, served with the exact `extension_pages` CSP from both extension
+manifests:
+
+```
+script-src 'self' 'wasm-unsafe-eval'; object-src 'self'
+```
+
+A module Worker has no `window` and no `document`, which is the property that
+matters — an MV3 service worker has neither either. Result on Firefox:
+
+```
+hasDOM:   false   hasWindow: false
+initWasm: ok  (9.0 ms cold)
+keygen:   1.0 ms
+account:  matches quantus-cli
+sign:     3.0 ms (4627 bytes)
+verify:   1.0 ms  ok
+ctx sep:  ok (rejected under spec-147 ctx)
+```
+
+9 ms to base64-decode 146 KB, zlib-inflate it to 234 KB and instantiate. That is
+the number the MV3 lifetime question turns on: a service worker killed between
+messages pays this on every wake, and 9 ms is not a problem. Those are ML-DSA-87
+timings — the larger parameter set — so ML-DSA-65 is cheaper still.
+
+The CSP is genuinely enforced here, not merely declared: an earlier version of
+this page used an inline `<script>` and Firefox blocked it, which is why
+`main.js` exists as a separate file.
+
+## `manifest.json` + `sw.js` — manual
+
+The real thing: an MV3 extension whose background service worker imports the
+package at module scope and signs once. Loading an unpacked extension needs an OS
+file dialog, so this cannot be driven from a script — load it by hand via
+`chrome://extensions` → Developer mode → Load unpacked, then click the toolbar
+icon.
+
+It covers what the Worker probe cannot: `chrome.runtime` messaging, and the
+actual MV3 kill-and-restart lifecycle rather than a stand-in for it.
+
+## Staging `vendor/`
+
+Both probes import from `./vendor/`, which is not checked in. Populate it from a
+build:
+
+```sh
+mkdir -p vendor
+cp -r ../../build vendor/quantus-crypto
+cp -r ../../../wasm-util/build vendor/wasm-util
+sed -i "s|from '@polkadot/wasm-util/base64'|from '../wasm-util/base64.js'|; \
+        s|from '@polkadot/wasm-util/fflate'|from '../wasm-util/fflate.js'|" \
+  vendor/quantus-crypto/init.js
+```
+
+The rewrite is needed because a browser cannot resolve bare specifiers. A real
+extension build does this with a bundler; here it is one `sed` rather than a
+build step, because the probe exists to test the WASM, not the bundler.

packages/quantus-crypto/test/probe/index.html

@@ -0,0 +1,5 @@
+<!doctype html><meta charset="utf-8"><title>quantus-crypto worker probe</title>
+<body style="font:13px ui-monospace,monospace;padding:16px;background:#111;color:#ddd">
+<h3 style="font:600 14px system-ui">@quantus/crypto in a module Worker under the extension CSP</h3>
+<pre id="out">running…</pre>
+<script type="module" src="./main.js"></script>

packages/quantus-crypto/test/probe/main.js

@@ -0,0 +1,3 @@
+const w = new Worker('./worker.js', { type: 'module' });
+w.onmessage = (e) => { document.getElementById('out').textContent = e.data; };
+w.onerror = (e) => { document.getElementById('out').textContent = 'worker error: ' + (e.message || 'see console'); };

packages/quantus-crypto/test/probe/manifest.json

@@ -0,0 +1,11 @@
+{
+  "manifest_version": 3,
+  "name": "quantus-crypto MV3 probe",
+  "version": "0.0.1",
+  "description": "Loads @quantus/crypto in an MV3 service worker and signs once.",
+  "background": { "service_worker": "sw.js", "type": "module" },
+  "action": { "default_title": "probe", "default_popup": "popup.html" },
+  "content_security_policy": {
+    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
+  }
+}

packages/quantus-crypto/test/probe/popup.html

@@ -0,0 +1,4 @@
+<!doctype html><meta charset="utf-8"><title>quantus-crypto probe</title>
+<body style="font:13px system-ui;padding:12px;min-width:380px">
+<pre id="out">running…</pre>
+<script type="module" src="popup.js"></script>

packages/quantus-crypto/test/probe/popup.js

@@ -0,0 +1,4 @@
+const out = document.getElementById('out');
+chrome.runtime.sendMessage({ probe: true }, (r) => {
+  out.textContent = r ? r.text : `no response: ${chrome.runtime.lastError?.message}`;
+});

packages/quantus-crypto/test/probe/serve.mjs

@@ -0,0 +1,15 @@
+import http from 'node:http';
+import fs from 'node:fs';
+import path from 'node:path';
+const types = { '.html': 'text/html', '.js': 'text/javascript', '.json': 'application/json', '.wasm': 'application/wasm' };
+http.createServer((req, res) => {
+  const p = path.join(process.cwd(), decodeURIComponent(req.url.split('?')[0]));
+  const f = fs.existsSync(p) && fs.statSync(p).isDirectory() ? path.join(p, 'index.html') : p;
+  if (!fs.existsSync(f)) { res.writeHead(404); return res.end('nope'); }
+  res.writeHead(200, {
+    'Content-Type': types[path.extname(f)] || 'application/octet-stream',
+    // exactly the extension_pages CSP from both manifests
+    'Content-Security-Policy': "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
+  });
+  fs.createReadStream(f).pipe(res);
+}).listen(8731, () => console.log('probe on http://127.0.0.1:8731'));

packages/quantus-crypto/test/probe/sw.js

@@ -0,0 +1,52 @@
+// MV3 service worker. Imports @quantus/crypto at module scope — i.e. on every
+// cold start, which is what actually needs proving: the worker is killed between
+// messages and must re-instantiate a 146 KB inlined base64 wasm each time.
+import {
+  accountFromPublicKey, contextForSpec, initWasm, keypairFromSeed,
+  Scheme, sign, verify
+} from './vendor/quantus-crypto/index.js';
+
+const hex = (u8) => [...u8].map((b) => b.toString(16).padStart(2, '0')).join('');
+
+function probe () {
+  const lines = [];
+  const t0 = performance.now();
+  const err = initWasm();
+  const tInit = performance.now() - t0;
+
+  lines.push(`context: ${typeof window === 'undefined' ? 'service worker (no DOM)' : 'page'}`);
+  lines.push(`initWasm: ${err === null ? 'ok' : 'FAILED — ' + err}  (${tInit.toFixed(1)} ms)`);
+
+  if (err) return lines.join('\n');
+
+  const t1 = performance.now();
+  const pair = keypairFromSeed(new Uint8Array(32), Scheme.MlDsa87);
+  const tKeygen = performance.now() - t1;
+  const account = hex(accountFromPublicKey(pair.publicKey));
+  const expected = '1883df2ae47d1fd428a6b8237ad7b59cf0facccaacac4541ef7758be44b3c333';
+
+  lines.push(`keygen:   ${tKeygen.toFixed(1)} ms`);
+  lines.push(`account:  ${account.slice(0, 24)}…  ${account === expected ? 'matches quantus-cli' : 'MISMATCH'}`);
+
+  const msg = new TextEncoder().encode('extrinsic payload');
+  const ctx = contextForSpec(148);
+  const t2 = performance.now();
+  const sig = sign(msg, pair, ctx, Scheme.MlDsa87);
+  const tSign = performance.now() - t2;
+
+  lines.push(`sign:     ${tSign.toFixed(1)} ms  (${sig.length} bytes)`);
+  lines.push(`verify:   ${verify(msg, sig, pair.publicKey, ctx, Scheme.MlDsa87) ? 'ok' : 'FAILED'}`);
+  lines.push(`ctx sep:  ${verify(msg, sig, pair.publicKey, contextForSpec(147), Scheme.MlDsa87) ? 'FAILED (verified under wrong ctx)' : 'ok (rejected under spec 147 ctx)'}`);
+
+  return lines.join('\n');
+}
+
+chrome.runtime.onMessage.addListener((_m, _s, respond) => {
+  try {
+    respond({ text: probe() });
+  } catch (e) {
+    respond({ text: `threw: ${e && e.message ? e.message : e}\n${e && e.stack ? e.stack : ''}` });
+  }
+
+  return true;
+});

packages/quantus-crypto/test/probe/worker.js

@@ -0,0 +1,32 @@
+// A module Worker: no DOM, no window, same CSP as the extension pages.
+import { accountFromPublicKey, contextForSpec, initWasm, keypairFromSeed, Scheme, sign, verify } from './vendor/quantus-crypto/index.js';
+
+const hex = (u8) => [...u8].map((b) => b.toString(16).padStart(2, '0')).join('');
+const lines = [];
+const t0 = performance.now();
+const err = initWasm();
+const tInit = performance.now() - t0;
+
+lines.push(`hasDOM:   ${typeof document !== 'undefined'}   hasWindow: ${typeof window !== 'undefined'}`);
+lines.push(`initWasm: ${err === null ? 'ok' : 'FAILED - ' + err}  (${tInit.toFixed(1)} ms cold)`);
+
+if (err === null) {
+  const t1 = performance.now();
+  const pair = keypairFromSeed(new Uint8Array(32), Scheme.MlDsa87);
+  const tKeygen = performance.now() - t1;
+  const account = hex(accountFromPublicKey(pair.publicKey));
+  lines.push(`keygen:   ${tKeygen.toFixed(1)} ms`);
+  lines.push(`account:  ${account === '1883df2ae47d1fd428a6b8237ad7b59cf0facccaacac4541ef7758be44b3c333' ? 'matches quantus-cli' : 'MISMATCH ' + account}`);
+  const msg = new TextEncoder().encode('extrinsic payload');
+  const ctx = contextForSpec(148);
+  const t2 = performance.now();
+  const sig = sign(msg, pair, ctx, Scheme.MlDsa87);
+  const tSign = performance.now() - t2;
+  const t3 = performance.now();
+  const ok = verify(msg, sig, pair.publicKey, ctx, Scheme.MlDsa87);
+  const tVerify = performance.now() - t3;
+  lines.push(`sign:     ${tSign.toFixed(1)} ms (${sig.length} bytes)`);
+  lines.push(`verify:   ${tVerify.toFixed(1)} ms  ${ok ? 'ok' : 'FAILED'}`);
+  lines.push(`ctx sep:  ${verify(msg, sig, pair.publicKey, contextForSpec(147), Scheme.MlDsa87) ? 'FAILED' : 'ok (rejected under spec-147 ctx)'}`);
+}
+postMessage(lines.join('\n'));

packages/quantus-crypto/tsconfig.build.json

@@ -0,0 +1,18 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "baseUrl": "..",
+    "composite": false,
+    "declaration": true,
+    "outDir": "./build",
+    "rootDir": "./src",
+    "emitDeclarationOnly": false
+  },
+  "exclude": [
+    "**/*.spec.ts"
+  ],
+  "include": [
+    "src/**/*.ts"
+  ],
+  "references": []
+}

packages/wasm-bridge/LICENSE

@@ -1,201 +0,0 @@
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packages/wasm-bridge/package.json

@@ -1,14 +1,12 @@
 {
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "bugs": "https://github.com/polkadot-js/wasm/issues",
-  "contributors": [],
   "description": "A bridge layer between JS and Wasm",
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   },
   "homepage": "https://github.com/polkadot-js/wasm/tree/master/packages/wasm-bridge#readme",
   "license": "Apache-2.0",
-  "maintainers": [],
   "name": "@polkadot/wasm-bridge",
   "repository": {
     "directory": "packages/wasm-bridge",
@@ -16,18 +14,19 @@
     "url": "https://github.com/polkadot-js/wasm.git"
   },
   "sideEffects": [
-    "./detectPackage.js",
-    "./detectPackage.cjs"
+    "./packageDetect.js",
+    "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "6.2.2",
+  "version": "7.5.4",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.18.6"
+    "@polkadot/wasm-util": "7.5.4",
+    "tslib": "^2.7.0"
   },
   "devDependencies": {
-    "@polkadot/util": "^9.7.1",
-    "@polkadot/x-randomvalues": "^9.7.1"
+    "@polkadot/util": "^14.0.1",
+    "@polkadot/x-randomvalues": "^14.0.1"
   },
   "peerDependencies": {
     "@polkadot/util": "*",

packages/wasm-bridge/src/bridge.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-bridge authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // A number of functions are "unsafe" and purposefully so - it is
@@ -7,31 +7,32 @@
 // then ensures that the internal wasm instance here is available
 /* eslint-disable @typescript-eslint/no-non-null-assertion */
 
-import type { BridgeBase, InitFn, InitPromise, WasmBaseInstance, WasmImports } from './types';
+import type { BridgeBase, InitFn, InitPromise, WasmBaseInstance, WasmImports } from './types.js';
 
 import { stringToU8a, u8aToString } from '@polkadot/util';
 
-import { Wbg } from './wbg';
+import { Wbg } from './wbg.js';
 
 /**
  * @name Bridge
  * @description
  * Creates a bridge between the JS and WASM environments.
  *
- * For any bridge it is passed an function white is then called internally at the
+ * For any bridge it is passed an function which is then called internally at the
  * time of initialization. This affectively implements the layer between WASM and
  * the native environment, providing all the plumbing needed for the Wbg classes.
  */
 export class Bridge<C extends WasmBaseInstance> implements BridgeBase<C> {
+  readonly #createWasm: InitFn<C>;
+  readonly #heap: unknown[];
+  readonly #wbg: WasmImports;
+
   #cachegetInt32: Int32Array | null;
   #cachegetUint8: Uint8Array | null;
-  #createWasm: InitFn<C>;
-  #heap: unknown[];
   #heapNext: number;
   #wasm: C | null;
   #wasmError: string | null;
   #wasmPromise: InitPromise<C> | null;
-  #wbg: WasmImports;
   #type: 'asm' | 'wasm' | 'none';
 
   constructor (createWasm: InitFn<C>) {

packages/wasm-bridge/src/bundle.ts

@@ -1,5 +1,5 @@
-// Copyright 2019-2022 @polkadot/wasm-bridge authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-export * from './bridge';
-export * from './init';
+export * from './bridge.js';
+export * from './init.js';

packages/wasm-bridge/src/detectOther.ts

@@ -1,4 +0,0 @@
-// Copyright 2017-2022 @polkadot/wasm-bridge authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-export default [];

packages/wasm-bridge/src/detectPackage.ts

@@ -1,11 +0,0 @@
-// Copyright 2017-2022 @polkadot/wasm-bridge authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-// Do not edit, auto-generated by @polkadot/dev
-
-import { detectPackage } from '@polkadot/util';
-
-import others from './detectOther';
-import { packageInfo } from './packageInfo';
-
-detectPackage(packageInfo, null, others);

packages/wasm-bridge/src/index.ts

@@ -1,6 +1,6 @@
-// Copyright 2019-2022 @polkadot/wasm-bridge authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import './detectPackage';
+import './packageDetect.js';
 
-export * from './bundle';
+export * from './bundle.js';

packages/wasm-bridge/src/init.ts

@@ -1,7 +1,7 @@
-// Copyright 2019-2022 @polkadot/wasm-bundle authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { InitFn, InitPromise, InitResult, WasmBaseInstance, WasmImports } from './types';
+import type { InitFn, InitPromise, InitResult, WasmBaseInstance, WasmImports } from './types.js';
 
 /**
  * @name createWasmFn
@@ -11,7 +11,7 @@ import type { InitFn, InitPromise, InitResult, WasmBaseInstance, WasmImports } f
  * It will attempt to create a WASM interface first and if this fails or is not available in
  * the environment, will fallback to attempting to create an ASM.js interface.
  */
-export function createWasmFn <C extends WasmBaseInstance> (root: string, wasmBytes: null | Uint8Array, asmFn: null | ((wbg: WasmImports) => C)): InitFn<C> {
+export function createWasmFn <C extends WasmBaseInstance> (root: 'crypto', wasmBytes: null | Uint8Array, asmFn: null | ((wbg: WasmImports) => C)): InitFn<C> {
   return async (wbg: WasmImports): InitPromise<C> => {
     const result: InitResult<C> = {
       error: null,
@@ -20,7 +20,7 @@ export function createWasmFn <C extends WasmBaseInstance> (root: string, wasmByt
     };
 
     try {
-      if (!wasmBytes || !wasmBytes.length) {
+      if (!wasmBytes?.length) {
         throw new Error('No WebAssembly provided for initialization');
       } else if (typeof WebAssembly !== 'object' || typeof WebAssembly.instantiate !== 'function') {
         throw new Error('WebAssembly is not available in your environment');

packages/wasm-bridge/src/mod.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-bridge authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-export * from './index';
+export * from './index.js';

packages/wasm-bridge/src/packageDetect.ts

@@ -0,0 +1,11 @@
+// Copyright 2017-2026 @polkadot/wasm-bridge authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// Do not edit, auto-generated by @polkadot/dev
+// (packageInfo imports will be kept as-is, user-editable)
+
+import { detectPackage } from '@polkadot/util';
+
+import { packageInfo } from './packageInfo.js';
+
+detectPackage(packageInfo, null, []);

packages/wasm-bridge/src/packageInfo.ts

@@ -1,6 +1,6 @@
-// Copyright 2017-2022 @polkadot/wasm-bridge authors & contributors
+// Copyright 2017-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/wasm-bridge', path: 'auto', type: 'auto', version: '6.2.2' };
+export const packageInfo = { name: '@polkadot/wasm-bridge', path: 'auto', type: 'auto', version: '7.5.4' };

packages/wasm-bridge/src/types.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-bridge authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Use non-strong types instead of WasmImports which may not
@@ -7,7 +7,7 @@ export type WasmImports = Record<string, (...args: never[]) => unknown>;
 
 // Use non-strong types instead of WebAssembly.Memory which may not
 // be available as part of the TS environment types (it needs dom)
-export type WasmMemory = { buffer: ArrayBuffer };
+export interface WasmMemory { buffer: ArrayBuffer }
 
 export declare interface InitResult<C extends WasmBaseInstance> {
   error: string | null;
@@ -35,13 +35,13 @@ export interface BridgeBase<C extends WasmBaseInstance> extends InitResult<C> {
   resultString (): string;
 }
 
-export interface WasmBaseInstance {
-  memory: WasmMemory;
-
-  // wbindgen functions (required and used internally)
-
+export interface WasmBindGen {
   __wbindgen_exn_store (a: number): void;
   __wbindgen_free (a: number, b: number): void;
   __wbindgen_malloc (a: number): number;
   __wbindgen_realloc (a: number, b: number, c: number): number;
 }
+
+export interface WasmBaseInstance extends WasmBindGen {
+  memory: WasmMemory;
+}

packages/wasm-bridge/src/wbg.ts

@@ -1,7 +1,7 @@
-// Copyright 2019-2022 @polkadot/wasm-bridge authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-bridge authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { BridgeBase, WasmBaseInstance } from './types';
+import type { BridgeBase, WasmBaseInstance } from './types.js';
 
 import { getRandomValues } from '@polkadot/x-randomvalues';
 
@@ -20,7 +20,7 @@ const DEFAULT_SELF = { crypto: DEFAULT_CRYPTO };
  * Internally the implementation does a thin layer into the supplied bridge.
  */
 export class Wbg<C extends WasmBaseInstance> {
-  #bridge: BridgeBase<C>;
+  readonly #bridge: BridgeBase<C>;
 
   constructor (bridge: BridgeBase<C>) {
     this.#bridge = bridge;
@@ -52,25 +52,21 @@ export class Wbg<C extends WasmBaseInstance> {
   };
 
   /** @internal */
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   __wbg_crypto_968f1772287e2df0 = (_idx: number): number => {
     return this.#bridge.addObject(DEFAULT_CRYPTO);
   };
 
   /** @internal */
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   __wbg_getRandomValues_a3d34b4fee3c2869 = (_idx: number): number => {
     return this.#bridge.addObject(DEFAULT_CRYPTO.getRandomValues);
   };
 
   /** @internal */
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   __wbg_getRandomValues_f5e14ab7ac8e995d = (_arg0: number, ptr: number, len: number): void => {
     DEFAULT_CRYPTO.getRandomValues(this.#bridge.getU8a(ptr, len));
   };
 
   /** @internal */
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   __wbg_randomFillSync_d5bd2d655fdf256a = (_idx: number, _ptr: number, _len: number): never => {
     throw new Error('randomFillsync is not available');
 

packages/wasm-bridge/tsconfig.build.json

@@ -5,6 +5,8 @@
     "outDir": "./build",
     "rootDir": "./src"
   },
-  "references": [
-  ]
+  "exclude": [
+    "**/mod.ts"
+  ],
+  "references": []
 }

packages/wasm-crypto-asmjs/package.json

@@ -1,29 +1,30 @@
 {
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "bugs": "https://github.com/polkadot-js/wasm/issues",
-  "contributors": [],
   "description": "Asm.js content for wasm-crypto",
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   },
   "homepage": "https://github.com/polkadot-js/wasm/tree/master/packages/wasm-crypto-asmjs#readme",
   "license": "Apache-2.0",
-  "maintainers": [],
   "name": "@polkadot/wasm-crypto-asmjs",
   "repository": {
     "directory": "packages/wasm-crypto-asmjs",
     "type": "git",
     "url": "https://github.com/polkadot-js/wasm.git"
   },
-  "sideEffects": false,
+  "sideEffects": [
+    "./packageDetect.js",
+    "./packageDetect.cjs"
+  ],
   "type": "module",
-  "version": "6.2.2",
+  "version": "7.5.4",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.18.6"
+    "tslib": "^2.7.0"
   },
   "devDependencies": {
-    "@polkadot/util": "^9.7.1"
+    "@polkadot/util": "^14.0.1"
   },
   "peerDependencies": {
     "@polkadot/util": "*"

packages/wasm-crypto-asmjs/src/bundle.ts

@@ -1,5 +1,5 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export { asmJsInit } from './cjs/data.js';
-export { packageInfo } from './packageInfo';
+export { packageInfo } from './packageInfo.js';

packages/wasm-crypto-asmjs/src/cjs/cjs/data.js

@@ -1,6 +1,6 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-wasm authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-wasm authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-const data = require('../data');
+const data = require('../data.js');
 
 module.exports = data;

packages/wasm-crypto-asmjs/src/cjs/data.d.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export declare const asmJsInit: null;

packages/wasm-crypto-asmjs/src/cjs/data.js

@@ -1,6 +1,6 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 const asmJsInit = null;
 
-module.exports.asmJsInit = asmJsInit;
+exports.asmJsInit = asmJsInit;

packages/wasm-crypto-asmjs/src/deno/data.d.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export declare const asmJsInit: null;

packages/wasm-crypto-asmjs/src/deno/data.js

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export const asmJsInit = null;

packages/wasm-crypto-asmjs/src/detectOther.ts

@@ -1,4 +0,0 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-export default [];

packages/wasm-crypto-asmjs/src/detectPackage.ts

@@ -1,11 +0,0 @@
-// Copyright 2017-2022 @polkadot/wasm-crypto-asmjs authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-// Do not edit, auto-generated by @polkadot/dev
-
-import { detectPackage } from '@polkadot/util';
-
-import others from './detectOther';
-import { packageInfo } from './packageInfo';
-
-detectPackage(packageInfo, null, others);

packages/wasm-crypto-asmjs/src/index.ts

@@ -1,6 +1,6 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import './detectPackage';
+import './packageDetect.js';
 
-export * from './bundle';
+export * from './bundle.js';

packages/wasm-crypto-asmjs/src/mod.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-export * from './index';
+export * from './index.js';

packages/wasm-crypto-asmjs/src/packageDetect.ts

@@ -0,0 +1,11 @@
+// Copyright 2017-2026 @polkadot/wasm-crypto-asmjs authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// Do not edit, auto-generated by @polkadot/dev
+// (packageInfo imports will be kept as-is, user-editable)
+
+import { detectPackage } from '@polkadot/util';
+
+import { packageInfo } from './packageInfo.js';
+
+detectPackage(packageInfo, null, []);

packages/wasm-crypto-asmjs/src/packageInfo.ts

@@ -1,6 +1,6 @@
-// Copyright 2017-2022 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2017-2026 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/wasm-crypto-asmjs', path: 'auto', type: 'auto', version: '6.2.2' };
+export const packageInfo = { name: '@polkadot/wasm-crypto-asmjs', path: 'auto', type: 'auto', version: '7.5.4' };

packages/wasm-crypto-asmjs/tsconfig.build.json

@@ -5,5 +5,8 @@
     "outDir": "./build",
     "rootDir": "./src"
   },
+  "exclude": [
+    "**/mod.ts"
+  ],
   "references": []
 }

packages/wasm-crypto-init/package.json

@@ -1,14 +1,12 @@
 {
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "bugs": "https://github.com/polkadot-js/wasm/issues",
-  "contributors": [],
   "description": "Init handlers for wasm-crypto",
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   },
   "homepage": "https://github.com/polkadot-js/wasm/tree/master/packages/wasm-crypto-init#readme",
   "license": "Apache-2.0",
-  "maintainers": [],
   "name": "@polkadot/wasm-crypto-init",
   "repository": {
     "directory": "packages/wasm-crypto-init",
@@ -16,23 +14,24 @@
     "url": "https://github.com/polkadot-js/wasm.git"
   },
   "sideEffects": [
-    "./detectPackage.js",
-    "./detectPackage.cjs"
+    "./packageDetect.js",
+    "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "6.2.2",
+  "version": "7.5.4",
   "browser": "wasm.js",
   "main": "wasm.js",
   "react-native": "asm.js",
   "dependencies": {
-    "@babel/runtime": "^7.18.6",
-    "@polkadot/wasm-bridge": "6.2.2",
-    "@polkadot/wasm-crypto-asmjs": "6.2.2",
-    "@polkadot/wasm-crypto-wasm": "6.2.2"
+    "@polkadot/wasm-bridge": "7.5.4",
+    "@polkadot/wasm-crypto-asmjs": "7.5.4",
+    "@polkadot/wasm-crypto-wasm": "7.5.4",
+    "@polkadot/wasm-util": "7.5.4",
+    "tslib": "^2.7.0"
   },
   "devDependencies": {
-    "@polkadot/util": "^9.7.1",
-    "@polkadot/x-randomvalues": "^9.7.1"
+    "@polkadot/util": "^14.0.1",
+    "@polkadot/x-randomvalues": "^14.0.1"
   },
   "peerDependencies": {
     "@polkadot/util": "*",

packages/wasm-crypto-init/src/asm.ts

@@ -1,17 +1,17 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-init authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-init authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import type { InitFn } from '@polkadot/wasm-bridge/types';
-import type { WasmCryptoInstance } from './types';
+import type { WasmCryptoInstance } from './types.js';
 
 import { createWasmFn } from '@polkadot/wasm-bridge';
 import { asmJsInit } from '@polkadot/wasm-crypto-asmjs';
 
-export { packageInfo } from './packageInfo';
+export { packageInfo } from './packageInfo.js';
 
 /**
  * @name createWasm
  * @description
  * Creates an interface using only ASM.js
  */
-export const createWasm: InitFn<WasmCryptoInstance> = createWasmFn('crypto', null, asmJsInit);
+export const createWasm: InitFn<WasmCryptoInstance> = /*#__PURE__*/ createWasmFn('crypto', null, asmJsInit);

packages/wasm-crypto-init/src/both.ts

@@ -1,18 +1,18 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-init authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-init authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import type { InitFn } from '@polkadot/wasm-bridge/types';
-import type { WasmCryptoInstance } from './types';
+import type { WasmCryptoInstance } from './types.js';
 
 import { createWasmFn } from '@polkadot/wasm-bridge';
 import { asmJsInit } from '@polkadot/wasm-crypto-asmjs';
 import { wasmBytes } from '@polkadot/wasm-crypto-wasm';
 
-export { packageInfo } from './packageInfo';
+export { packageInfo } from './packageInfo.js';
 
 /**
  * @name createWasm
  * @description
  * Creates an interface using WASM and a fallback ASM.js
  */
-export const createWasm: InitFn<WasmCryptoInstance> = createWasmFn('crypto', wasmBytes, asmJsInit);
+export const createWasm: InitFn<WasmCryptoInstance> = /*#__PURE__*/ createWasmFn('crypto', wasmBytes, asmJsInit);

packages/wasm-crypto-init/src/bundle.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-init authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-init authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-export * from './wasm';
+export * from './wasm.js';

packages/wasm-crypto-init/src/detectOther.ts

@@ -1,8 +0,0 @@
-// Copyright 2017-2022 @polkadot/wasm-crypto-init authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-import { packageInfo as bridgeInfo } from '@polkadot/wasm-bridge/packageInfo';
-import { packageInfo as asmInfo } from '@polkadot/wasm-crypto-asmjs/packageInfo';
-import { packageInfo as wasmInfo } from '@polkadot/wasm-crypto-wasm/packageInfo';
-
-export default [bridgeInfo, asmInfo, wasmInfo];

packages/wasm-crypto-init/src/detectPackage.ts

@@ -1,11 +0,0 @@
-// Copyright 2017-2022 @polkadot/wasm-crypto-init authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-// Do not edit, auto-generated by @polkadot/dev
-
-import { detectPackage } from '@polkadot/util';
-
-import others from './detectOther';
-import { packageInfo } from './packageInfo';
-
-detectPackage(packageInfo, null, others);

packages/wasm-crypto-init/src/mod.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-init authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-init authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-export * from './wasm';
+export * from './wasm.js';

packages/wasm-crypto-init/src/none.ts

@@ -1,16 +1,16 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-init authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-init authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import type { InitFn } from '@polkadot/wasm-bridge/types';
-import type { WasmCryptoInstance } from './types';
+import type { WasmCryptoInstance } from './types.js';
 
 import { createWasmFn } from '@polkadot/wasm-bridge';
 
-export { packageInfo } from './packageInfo';
+export { packageInfo } from './packageInfo.js';
 
 /**
  * @name createWasm
  * @description
  * Creates an interface using no WASM and no ASM.js
  */
-export const createWasm: InitFn<WasmCryptoInstance> = createWasmFn('crypto', null, null);
+export const createWasm: InitFn<WasmCryptoInstance> = /*#__PURE__*/ createWasmFn('crypto', null, null);

packages/wasm-crypto-init/src/packageDetect.ts

@@ -0,0 +1,14 @@
+// Copyright 2017-2026 @polkadot/wasm-crypto-init authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// Do not edit, auto-generated by @polkadot/dev
+// (packageInfo imports will be kept as-is, user-editable)
+
+import { detectPackage } from '@polkadot/util';
+import { packageInfo as bridgeInfo } from '@polkadot/wasm-bridge/packageInfo';
+import { packageInfo as asmInfo } from '@polkadot/wasm-crypto-asmjs/packageInfo';
+import { packageInfo as wasmInfo } from '@polkadot/wasm-crypto-wasm/packageInfo';
+
+import { packageInfo } from './packageInfo.js';
+
+detectPackage(packageInfo, null, [asmInfo, bridgeInfo, wasmInfo]);

packages/wasm-crypto-init/src/packageInfo.ts

@@ -1,6 +1,6 @@
-// Copyright 2017-2022 @polkadot/wasm-crypto-init authors & contributors
+// Copyright 2017-2026 @polkadot/wasm-crypto-init authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/wasm-crypto-init', path: 'auto', type: 'auto', version: '6.2.2' };
+export const packageInfo = { name: '@polkadot/wasm-crypto-init', path: 'auto', type: 'auto', version: '7.5.4' };

packages/wasm-crypto-init/src/types.ts

@@ -1,4 +1,4 @@
-// Copyright 2019-2022 @polkadot/wasm-crypto-init authors & contributors
+// Copyright 2019-2026 @polkadot/wasm-crypto-init authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import type { WasmBaseInstance } from '@polkadot/wasm-bridge/types';