[CI Skip] release/stable 3.4.1

skip-checks: true

.123trigger

@@ -1,2 +1,2 @@
 5
-2.6.2
+2.6.22.12.2

.eslintignore

@@ -1,3 +1,4 @@
+.eslintrc.js
 **/build/*
 **/coverage/*
 **/node_modules/*

.eslintrc.js

@@ -7,5 +7,10 @@ module.exports = {
     project: [
       './tsconfig.json'
     ]
+  },
+  rules: {
+    ...base.rules,
+    // this seems very broken atm, false positives
+    '@typescript-eslint/unbound-method': 'off'
   }
 };

.github/workflows/pr-any.yml

@@ -2,112 +2,17 @@ name: PR
 on: [pull_request]
 
 jobs:
-  lint:
-    name: Linting
-    runs-on: ubuntu-latest
+  pr:
     strategy:
       matrix:
-        node-version: [12.x]
-    steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: Config yarn cache
-      id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - uses: actions/cache@v1
-      id: yarn-cache
-      with:
-        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-        key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
-    - name: lint
-      run: |
-        yarn install --immutable | grep -v 'YN0013'
-        yarn lint
-
-  test:
-    name: Testing
+        step: ['lint', 'test', 'build', 'docs']
+    name: ${{ matrix.step }}
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [12.x]
     steps:
     - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: Config yarn cache
-      id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - uses: actions/cache@v1
-      id: yarn-cache
-      with:
-        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-        key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
-    - name: test
+    - name: ${{ matrix.step }}
       env:
         CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
       run: |
         yarn install --immutable | grep -v 'YN0013'
-        yarn test
-
-  build_code:
-    name: Build Code
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [12.x]
-    steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: Config yarn cache
-      id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - uses: actions/cache@v1
-      id: yarn-cache
-      with:
-        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-        key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
-    - name: build
-      run: |
-        yarn install --immutable | grep -v 'YN0013'
-        yarn build
-
-  build_docs:
-    name: Build Docs
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [12.x]
-    steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: Config yarn cache
-      id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - uses: actions/cache@v1
-      id: yarn-cache
-      with:
-        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-        key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
-    - name: build
-      run: |
-        yarn install --immutable | grep -v 'YN0013'
-        yarn docs
+        yarn ${{ matrix.step }}

.github/workflows/push-master.yml

@@ -5,82 +5,30 @@ on:
       - master
 
 jobs:
-  build_code:
-    name: Build Code
-    if: "! contains(github.event.head_commit.message, '[CI Skip]')"
-    runs-on: ubuntu-latest
+  master:
     strategy:
       matrix:
-        node-version: [12.x]
+        step: ['build:release', 'docs:release']
+    name: ${{ matrix.step }}
+    if: "! startsWith(github.event.head_commit.message, '[CI Skip]') && github.repository == 'polkadot-js/common'"
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
       with:
         token: ${{ secrets.GH_PAT }}
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: Config yarn cache
-      id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - uses: actions/cache@v1
-      id: yarn-cache
-      with:
-        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-        key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
-    - name: build
+    - name: ${{ matrix.step }}
       env:
         CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+        GH_PAGES_SRC: build-docs
         GH_PAT: ${{ secrets.GH_PAT }}
-        GH_TOKEN: ${{ secrets.GH_PAT }}
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        GH_RELEASE_GITHUB_API_TOKEN: ${{ secrets.GH_PAT }}
         NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
       run: |
         yarn install --immutable | grep -v 'YN0013'
-        yarn polkadot-ci-ghact-build
-
-  build_docs:
-    name: Build Docs
-    if: "! contains(github.event.head_commit.message, '[CI Skip]')"
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [12.x]
-    steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: Config yarn cache
-      id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - uses: actions/cache@v1
-      id: yarn-cache
-      with:
-        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-        key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
-    - name: build
-      env:
-        GH_PAT: ${{ secrets.GH_PAT }}
-        GH_TOKEN: ${{ secrets.GH_PAT }}
-        GH_PAGES_SRC: build-docs
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: |
-        yarn install --immutable | grep -v 'YN0013'
-        yarn polkadot-ci-ghact-docs
+        yarn ${{ matrix.step }}
 
   dummy:
-    name: Dummy
-    if: "contains(github.event.head_commit.message, '[CI Skip]')"
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [12.x]
     steps:
     - name: dummy
       run: |

.yarnrc.yml

@@ -1,4 +1,5 @@
 enableImmutableInstalls: false
+
 enableProgressBars: false
 
 nodeLinker: node-modules
@@ -7,4 +8,4 @@ plugins:
   - path: .yarn/plugins/@yarnpkg/plugin-interactive-tools.js
     spec: "@yarnpkg/plugin-interactive-tools"
 
-yarnPath: .yarn/releases/yarn-berry.js
+yarnPath: .yarn/releases/yarn-2.1.1.cjs

CHANGELOG.md

@@ -1,19 +1,126 @@
-# 2.6.1 Feb 29, 2020
+# CHANGELOG
+
+## 3.4.1 Aug 31, 2020
+
+- Allow for WASM-as-available `mnemonicToBip39` call (used for Ethereum-compatible keypairs)
+- Add `isWasm` utility to check for valid WASM headers
+- `@polkadot/wasm-crypto` 1.4.1
+
+## 3.3.1 Aug 24, 2020
+
+- Add `addressRaw` to Keyring interface (if address encoding is different to publicKey)
+- Allow for Ethereum pair signing and verification
+
+## 3.2.1 Aug 17, 2020
+
+- Allow for (optional, default blake2) hasher to secp256k1 sign/verify functions
+- Utilities for secp256k1 publicKey expansion and compression
+- Add basic Ethereum address utils (encode with checksum & checksum verification)
+- Add Ethereum-compatible `mnemonicToBip39` seed creation function
+
+## 3.1.1 Aug 10, 2020
+
+- Add `deriveAddress(<address>, '/<soft>/<soft-b>')` via sr25519 soft
+- Use `scrypt` from WASM as available (JS fallback in place)
+- Add `base32{Encode, Decode}` utilities (IPFS-compatible alphabet)
+- Support IPFS compatibility flag in base58 encoding/decoding
+- Update to `@polkadot/wasm-crypto` 1.3.1
+
+## 3.0.1 Jul 27, 2020
+
+- Add Katal ss58Format (Thanks to https://github.com/retotrinkler)
+- Adjust JSON pair output with scrypt kdf (version 3 output)
+
+## 2.18.1 Jul 13, 2020
+
+- Add `base64{Decode, Encode, Validate}` as crypto utils
+- Extract `base58Validate` from base58 decode checks
+- Add `isAscii` to allow detection of printable ASCII sequences (including tab, newline)
+- Add `isUtf8` to allow detection of valid Utf8 sequences
+
+## 2.17.1 Jul 6, 2020
+
+- Add `encode{Derived, Multi}Address` to encode derived/multi addresses
+- Correctly handle 0 inputs in `numberToU8a`
+- Simplify and flatten base58 dependencies
+
+## 2.16.1 Jun 29, 2020
+
+- Adjust `addressCheck` and `encodeAddress` function to check for valid base58 alphabets (better error reporting)
+- Rename `createKeySub` to `createKeyDerived` based on changed in Substrate (sub keys now named derived)
+
+## 2.15.1 Jun 22, 2020
+
+- Adjust keyring to no override 0-prefix (Polkadot live) settings with keychain default
+
+## 2.14.1 Jun 16, 2020
+
+- Add `extractTime` utility conversion (Thanks to https://github.com/kwingram25)
+
+## 2.13.1 Jun 8, 2020
+
+- Fix JS blake2 fallback (non-wasm) to correctly deal with hex inputs
+- Align `bnToHex` signature with `bnToU8a` (with old/new style)
+- Allow `bnTo{Hex,U8a}` to take any value with `.toBn()` signatures
+
+## 2.12.2 Jun 1, 2020
+
+- Fix `isFunction` signature to assert `Function`
+
+## 2.12.1 Jun 1, 2020
+
+- **Important** Removed `mnemonicToSeed`, it is only for bip39, use `mnemonicToMiniSecret` for the Substrate variant
+- Added `u8aEq` to compare two Uint8Array or hex values for an exact match
+- Added `addressEq` to compare two addresses (ss58, Uint8array or hex) for an exact match
+- Throw error on `{nacl,schnorrkel}Verify` on invalid input lengths
+- Performance optimizations in `u8aToHex` & `u8aConcat`
+
+## 2.11.1 May 26, 2020
+
+- Internal cleanups on typings
+- Support for latest TypeScript, eslint & typescript-eslint
+
+## 2.10.1 May 14, 2020
+
+- Add Kulupu ss58 prefix as an allowed value (Thanks to https://github.com/sorpaas)
+- Make the `TextEncoder` polyfill handle non-compliant Buffer implementations (newer versions of Jest)
+- `DeriveJunction` now also allows for BigInt values (aligning with number types elsewhere)
+- Small code-flow optimizations
+
+## 2.9.1 Apr 30, 2020
+
+- Add support for ECDSA keypairs (Thanks to https://github.com/akru)
+- Added `createKeyMulti` & `createKeySub` to create utility sub & multi keys
+- Added `u8aSorted` to sort `Uint8Arrays`
+- Added `sortAddresses` to sort addresses based on their internal representation
+
+## 2.8.1 Apr 9, 2020
+
+- Keypair will now throw an error when attempting to sign/derive using a locked pair (Thanks to https://github.com/h4x3rotab)
+- Cleanup `isDevelopment` regex to cater for chains such as `Westend Development`
+
+## 2.7.1 Mar 31, 2020
+
+- Add `bnSqrt` to calculate the integer sqrt via Newton iteration
+- Allow for optional wasm-crypto, specifically via `@polkadot/util-crypto/noWasm`
+- Misc. CI infrastructure cleanups
+
+## 2.6.1 Feb 29, 2020
 
 - **Breaking change** Following on the 2.0 release, `@polkadot/wasm` was updated to 1.1+. sr25510 now only verifies 0.8+ signatures, closing the loop on dropping Substrate 1.x-era support
 - Add `signatureVerify (message: Uint8Array | string, signature: Uint8Array | string, addressOrPublicKey: Uint8Array | string): VerifyResult` to verify any signature, regardless of type. Returns validity & detected crypto type.
 - Add `cryptoIsReady (): boolean` function to check status of initialization
 - Add `addressCheckChecksum (decoded: Uint8Array)` as an helper to extract and verify the ss58 checksum
-- Swap to yarn 2, allow use in yan 2 projects
+- Swap to yarn 2, allow use in yarn 2 projects
 
-# 2.5.1 Feb 22, 2020
+## 2.5.1 Feb 22, 2020
 
 - **Breaking change** (TypeScript only) The `*.d.ts` files now contain TypeScript 3.8 features, `#private`, which is not usable in older versions
 - Add `isBigInt(value)` to allow `BigInt` checks. Also add support in `bnToBn` as well as number conversion utils
 - Add `isChildClass(Parent, Child?)` to check if a class extends the parent, asserting Child is Parent
 - (internal) Use `#<field>` instead of `private _<field>` for private class variables
 
-# 2.4.1 Feb 18, 2020
+## 2.4.1 Feb 18, 2020
 
 - Ensure that `formatBalance` does not apply unit overrides apply when no SI is applicable
 - Adjust `formatBalance(<balance>, <options>)` to take expanded `withUnit: string | boolean` option where string is an actual unit, e.g. `KSM`
@@ -21,22 +128,22 @@
 - The `.setSS58Format` on keyring will now just operate on pairs created on the keyring, not globally. The global `setSS58Format` in `@polkadot/util-crypto` will be deprecated.
 - The deprecated `addressPrefix` option to keyring has been belatedly removed (Use `ss58Format` rather)
 
-# 2.3.1 Feb 15, 2020
+## 2.3.1 Feb 15, 2020
 
 - Remove dependency on moment.js with `formatDate` function (Thanks to https://github.com/AndreasGassmann)
 - Move TypeScript `@types/*` to dev deps (Thanks to https://github.com/AndreasGassmann)
 - Update to `@polkadot/wasm-crypto` 1.0
-- Cleanup dependencies to pave the way for using yarnpkg 2 (Explicit instead of implicit)
+- Cleanup dependencies to pave the way for using yarn 2 (Explicit instead of implicit)
 
-# 2.2.1 Feb 06, 2020
+## 2.2.1 Feb 06, 2020
 
 - Add resolver for jest requires (tests from src)
 
-# 2.1.1 Feb 04, 2020
+## 2.1.1 Feb 04, 2020
 
 - Update `detectPackage(<package.json>, __dirname?)` with calling folder
 
-# 2.0.1 Jan 30, 2020
+## 2.0.1 Jan 30, 2020
 
 - Update w3f/schnorrkel to 0.8.5 (Full Substrate 2.x support, no 1.x support)
 - Remove Alice session (ed2551) account from testing keyring (not applicable to Substrate 2.x)
@@ -44,27 +151,27 @@
 - Renamed `assertSingletonPackage` to `detectPackage` with inclusion of version listing
 - Swap to elliptic library for secp2561 recovery (No node bindings)
 
-# 1.8.1 Jan 09, 2020
+## 1.8.1 Jan 09, 2020
 
 - Add cross-client encryption/decryption support (Thanks to https://github.com/hskang9)
 
-# 1.7.1 Nov 27, 2019
+## 1.7.1 Nov 27, 2019
 
 - `formatBalance` signature now allows to force unit displays
 - Keypair now allows for derive on a pair, with `pair.derive(...)`
 - `assert` now acts like a real asserts, with no return - signature adapted for new TS 3.7
 
-# 1.6.1 Oct 24, 2019
+## 1.6.1 Oct 24, 2019
 
 - `pair.sign(message)` now takes an optional second `options?: SignOptions` parameter, where `SignOptions` is currently defined as `{ withType: boolean }`. Here `withType` instructs the signing to prepend the type of signature (ed2551, sr25519 or ecdsa). This is used for the new Polkadot/Substrate MultiSignature format.
 
-# 1.5.1 Sep 25, 2019
+## 1.5.1 Sep 25, 2019
 
 - Fix typings on the Keyring-exposed encode & decodeAddress
 - Allow ss58Format = 0 as a valid value
 - Loosen type definitions for allowed ss58format values (still checked against allowed array)
 
-# 1.4.1 Sep 12, 2019
+## 1.4.1 Sep 12, 2019
 
 - **Breaking change** To set the `ss58Format`, you should now use `setSS58Format` as opposed to the old `setAddressPrefix`
 - Renamed `keyring.setAddressPrefix` to `keyring.setSS58Format`
@@ -72,25 +179,25 @@
 - Added `stringToHex` and `hexToString` conversion utilities to `@polkadot/util`
 - Swap to [Babel 7.6.0](https://babeljs.io/) for all compilation, for latest improvements in code generation
 
-# 1.3.1 Sep 10, 2019
+## 1.3.1 Sep 10, 2019
 
 - Remove the `ExtError` class, always prefer the standard JS `Error` object for errors. This would bre a breaking change for any applications using `ExtError`
 
-# 1.2.1 Sep 09, 2019
+## 1.2.1 Sep 09, 2019
 
 - Keyring `addFromAddress` can now be used to store external accounts, for example those provided by external signers
 - Maintainability updates
 
-# 1.1.1 Aug 09, 2019
+## 1.1.1 Aug 09, 2019
 
 - `assertSingletonPackage` now warns via console.warn, but does not throw. This does allow the info to come accross while still allowing the app developers using multiple libraries time to fix.
 
-# 1.0.1 Aug 02, 2019
+## 1.0.1 Aug 02, 2019
 
 - `formatBalance` now allows for `Compact` inputs
 - `formaBalance` now allows correct formatting of very large decimals
 
-# 0.94.1 Jul 20, 2019
+### 0.94.1 Jul 20, 2019
 
 - Add `checkAddress(address, prefix)` to `@polkadot/util-crypto` that validates an ss-58 address
 - Add support for the Kusama network (as a valid checked prefix)
@@ -98,7 +205,7 @@
 - The ed25519 key for Alice (representing the session), now appears in the test keyrings
 - Fix missing dependencies for keyring (after address moves in 0.93.1)
 
-# 0.93.1 Jun 14, 2019
+### 0.93.1 Jun 14, 2019
 
 - Breaking: External pair interface for keyring has been changed. Instead of
   - `getMeta` use the `meta` getter, i.e. `console.log(pair.meta.name)`
@@ -106,133 +213,133 @@
   - `publicKey` use the `publicKey` getter, i.e. `console.log(pair.publicKey)`
 - `Move decodeAddress`, `encodeAddress` & `setAddressPrefix` functions into `@polkadot/util-crypto` from `@polkadot/keyring`. External interfaces should not be affected at this point since it is also (still) exported and exposed on keyring
 
-# 0.92.1 Jun 04, 2019
+### 0.92.1 Jun 04, 2019
 
 - Only allow integer input values into `formatBalance`
 - Allow `formatBalance`, `formatDecimal` & `formatNumber` to cater for negative numbers
 - Add 'Bob//stash' to testing keyring, joining the existing 'Alice//stash'
 
-# 0.91.1 May 22, 2019
+### 0.91.1 May 22, 2019
 
 - ed25519/sr25519 sign & verify functions can now take the message input as Uint8Array/string/hex and verify allows for the signature/publicKey to be specified as Uint8Array/hex
 - Update `@polkadot/wasm` to include a maintenance bump for the `w3f/schnorrkel` libraries
 
-# 0.90.1 May 08, 2019
+### 0.90.1 May 08, 2019
 
 - Moving towards 1.0
 - Added bnMin & bnMax functions
 
-# 0.76.1 Apr 03, 2019
+### 0.76.1 Apr 03, 2019
 
 - Fix `addFromMnemonic` to generate using new-style derivation.
 - Pull in `formatBalance`, `formatDecimal`, `formatElapsed`, `formatNumber`, `calcSi`, `findSi` & `isTestChain` utility functions from the originals in `@polkadot/ui-util`
 - Swap out `wasm-schnorrkel` & `wasm-ed25519` for combined version with `wasm-crypto`
 - Swap DB interfaces to optional LRU, removing `transactionAsync` (client-only changes)
 
-# 0.75.1 Mar 29, 2019
+### 0.75.1 Mar 29, 2019
 
 - Start journey to 1.0
 
-# 0.42.1 Mar 28, 2019
+### 0.42.1 Mar 28, 2019
 
 - Add `assertSingletonPackage` to util
 - Ensure that only a single keyring instance is loaded (uses above)
 
-# 0.41.1 Mar 25, 2019
+### 0.41.1 Mar 25, 2019
 
 - Extensions to the client-specific database interfaces (non-breaking for API and util users)
 
-# 0.40.1 Mar 23, 2019
+### 0.40.1 Mar 23, 2019
 
 - Add additional derivation path extraction mechanisms to util-crypto
 - Add createFromUri function to keypair (creates keypair, does not add it)
 - Allow all crypto hashing & ed25519 to use WASM (as available, JS fallbacks)
 
-# 0.39.1 Mar 20, 2019
+### 0.39.1 Mar 20, 2019
 
 - Pull in bip39 generation functions from `@poladkot/wasm-crypto` with a fallback to the pure JS versions
 
-# 0.38.1 Mar 18, 2019
+### 0.38.1 Mar 18, 2019
 
 - Align with current substrate master for sr25519 keys and hard/soft derivation
 - Swap default dev keys to derived (sr25519)
 
-# 0.37.1 Mar 14, 2019
+### 0.37.1 Mar 14, 2019
 
 - Swap to publishing -beta.x on merge (non-breaking testing)
 
-# 0.36.1 Mar 13, 2019
+### 0.36.1 Mar 13, 2019
 
 - Add `fromUri` to keyring along with hard & soft key derivation.
 
-# 0.35.1 Mar 04, 2019
+### 0.35.1 Mar 04, 2019
 
 - Remove NodeJs-only `syncify` function, not exported by the package (with binary dependency for Node)
 
-# 0.34.1 Feb 13, 2019
+### 0.34.1 Feb 13, 2019
 
 - Keyring now allows for ed25519 and sr25519 instances. Upon creation, you need to pass the `ed25519`or `sr25519` string to denote the type, i.e. `new Keyring({ type: 'sr25519' })`
 
-# 0.33.1 Nov 22, 2018
+### 0.33.1 Nov 22, 2018
 
-# 0.32.1 Oct 18, 2018
+### 0.32.1 Oct 18, 2018
 
-# 0.31.1 Oct 12, 2018
+### 0.31.1 Oct 12, 2018
 
-# 0.30.1 Sep 11, 2018
+### 0.30.1 Sep 11, 2018
 
-# 0.29.1 Sep 01, 2018
+### 0.29.1 Sep 01, 2018
 
-# 0.28.1 Aug 11, 2018
+### 0.28.1 Aug 11, 2018
 
-# 0.27.1 Aug 06, 2018
+### 0.27.1 Aug 06, 2018
 
-# 0.26.1 Jun 27, 2018
+### 0.26.1 Jun 27, 2018
 
-# 0.25.1 Jun 26, 2018
+### 0.25.1 Jun 26, 2018
 
-# 0.24.1 Jun 22, 2018
+### 0.24.1 Jun 22, 2018
 
-# 0.23.1 Jun 21, 2018
+### 0.23.1 Jun 21, 2018
 
-# 0.22.1 May 24, 2018
+### 0.22.1 May 24, 2018
 
-# 0.21.1 May 17, 2018
+### 0.21.1 May 17, 2018
 
-# 0.20.1 May 16, 2018
+### 0.20.1 May 16, 2018
 
-# 0.19.1 Apr 19, 2018
+### 0.19.1 Apr 19, 2018
 
-# 0.18.1 Mar 20, 2018
+### 0.18.1 Mar 20, 2018
 
-# 0.17.1 Mar0 8, 2018
+### 0.17.1 Mar0 8, 2018
 
-# 0.16.1 Feb 23, 2018
+### 0.16.1 Feb 23, 2018
 
-# 0.15.1 Feb 15, 2018
+### 0.15.1 Feb 15, 2018
 
-# 0.14.1 Feb 07, 2018
+### 0.14.1 Feb 07, 2018
 
-# 0.13.1 Jan 25, 2018
+### 0.13.1 Jan 25, 2018
 
-# 0.12.1 Jan 11, 2018
+### 0.12.1 Jan 11, 2018
 
-# 0.11.1 Dec 30, 2017
+### 0.11.1 Dec 30, 2017
 
-# 0.10.1 Dec 17, 2017
+### 0.10.1 Dec 17, 2017
 
-# 0.9.1 Dec 14, 2017
+### 0.9.1 Dec 14, 2017
 
-# 0.8.1 Dec 12, 2017
+### 0.8.1 Dec 12, 2017
 
-# 0.7.1 Dec 11, 2017
+### 0.7.1 Dec 11, 2017
 
-# 0.6.1 Nov 30, 2017
+### 0.6.1 Nov 30, 2017
 
-# 0.5.1 Nov 20, 2017
+### 0.5.1 Nov 20, 2017
 
-# 0.4.1 Nov 19, 2017
+### 0.4.1 Nov 19, 2017
 
-# 0.3.1 Nov 19, 2017
+### 0.3.1 Nov 19, 2017
 
-# 0.2.1 Nov 18, 2017
+### 0.2.1 Nov 18, 2017

babel.config.js

@@ -1 +1,5 @@
+// Copyright 2017-2020 @polkadot/util authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
 module.exports = require('@polkadot/dev/config/babel');

docs/examples/keyring/01_create_account/index.js

@@ -1,6 +1,7 @@
+/* eslint-disable header/header */
 /* eslint-disable @typescript-eslint/require-await */
 /* eslint-disable @typescript-eslint/unbound-method */
-/* eslint-disable @typescript-eslint/no-var-requires */
+
 // Import Keyring class and utility function
 const Keyring = require('@polkadot/keyring').default;
 const stringToU8a = require('@polkadot/util/string/toU8a').default;

docs/examples/keyring/02_load_accounts/index.js

@@ -1,6 +1,7 @@
+/* eslint-disable header/header */
 /* eslint-disable @typescript-eslint/require-await */
 /* eslint-disable @typescript-eslint/unbound-method */
-/* eslint-disable @typescript-eslint/no-var-requires */
+
 // Import Keyring class and utility function
 const Keyring = require('@polkadot/keyring').default;
 const stringToU8a = require('@polkadot/util/string/toU8a').default;

docs/examples/keyring/03_validate_address/index.js

@@ -1,12 +1,18 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-const { encodeAddress, decodeAddress } = require('@polkadot/keyring');
-const { isHex, hexToU8a } = require('@polkadot/util');
+/* eslint-disable header/header */
+
+const { decodeAddress, encodeAddress } = require('@polkadot/keyring');
+const { hexToU8a, isHex } = require('@polkadot/util');
 
 const address = '5GrpknVvGGrGH3EFuURXeMrWHvbpj3VfER1oX5jFtuGbfzCE';
 
 const isValidAddressPolkadotAddress = () => {
   try {
-    encodeAddress(isHex(address) ? hexToU8a(address) : decodeAddress(address));
+    encodeAddress(
+      isHex(address)
+        ? hexToU8a(address)
+        : decodeAddress(address)
+    );
+
     return true;
   } catch (error) {
     return false;

docs/examples/util-crypto/01_encrypt_decrypt_message_nacl/index.js

@@ -1,7 +1,8 @@
+/* eslint-disable header/header */
 /* eslint-disable @typescript-eslint/require-await */
 /* eslint-disable @typescript-eslint/unbound-method */
-/* eslint-disable @typescript-eslint/no-var-requires */
-const { naclEncrypt, naclDecrypt } = require('@polkadot/util-crypto');
+
+const { naclDecrypt, naclEncrypt } = require('@polkadot/util-crypto');
 
 async function main () {
   const secret = new Uint8Array(32);

docs/examples/util-crypto/02_sign_verify_message_nacl/index.js

@@ -1,6 +1,7 @@
+/* eslint-disable header/header */
 /* eslint-disable @typescript-eslint/require-await */
 /* eslint-disable @typescript-eslint/unbound-method */
-/* eslint-disable @typescript-eslint/no-var-requires */
+
 const { stringToU8a, u8aToHex } = require('@polkadot/util');
 const { naclEncrypt, naclKeypairFromSeed, naclSign, naclVerify, randomAsU8a } = require('@polkadot/util-crypto');
 
@@ -9,7 +10,7 @@ async function main () {
   const seedAlice = 'Alice'.padEnd(32, ' ');
 
   // Generate new public/secret keypair for Alice from the supplied seed
-  const { secretKey, publicKey } = naclKeypairFromSeed(stringToU8a(seedAlice));
+  const { publicKey, secretKey } = naclKeypairFromSeed(stringToU8a(seedAlice));
 
   // Encrypt message. Create Uint8Array's filled with random bytes of specified length
   const secret = randomAsU8a(32);

docs/examples/util-crypto/03_mnemonic_generate_validate_bip39/index.js

@@ -1,6 +1,8 @@
+/* eslint-disable header/header */
 /* eslint-disable @typescript-eslint/unbound-method */
 /* eslint-disable @typescript-eslint/require-await */
-/* eslint-disable @typescript-eslint/no-var-requires,@typescript-eslint/no-unused-vars */
+/* eslint-disable @typescript-eslint/no-unused-vars */
+
 const { mnemonicGenerate, mnemonicToSeed, mnemonicValidate, naclKeypairFromSeed } = require('@polkadot/util-crypto');
 
 async function main () {
@@ -19,7 +21,7 @@ async function main () {
   const seedAlice = mnemonicToSeed(mnemonicAlice);
 
   // Generate new public/secret keypair for Alice from the supplied seed
-  const { secretKey, publicKey } = naclKeypairFromSeed(seedAlice);
+  const { publicKey, secretKey } = naclKeypairFromSeed(seedAlice);
 
   // Encrypt, Sign and Validate the message. See Example 'Sign & Verify Message'
 }

docs/examples/util-crypto/04_generate_multisig_address/README.md

@@ -0,0 +1,5 @@
+# Generate a Multisig Account
+
+Substrate provides a multisig dispatch function in its 
+[Utility pallet](https://crates.parity.io/pallet_utility/index.html). This example generates the 
+address that would correspond to a set of addresses and threshold.

docs/examples/util-crypto/04_generate_multisig_address/index.js

@@ -0,0 +1,40 @@
+/* eslint-disable header/header */
+import { createKeyMulti, encodeAddress, sortAddresses } from '@polkadot/util-crypto';
+
+const SS58Prefix = 0;
+
+// Input the addresses that will make up the multisig account.
+const addresses = [
+  '1nUC7afqmo7zwRFWxDjrUQu9skk6fk99pafb4SiyGSRc8z3',
+  '1ZX2XntfLEHrBPy73DpfQp9rG7pbLyvrFjEpi7mNKQgyga5',
+  '14b1kB7CrqzRUeMsKc26FJ73f8FCpxAX6sNieu9gfYSfJuoL'
+];
+
+// The number of accounts that must approve. Must be greater than 0 and less than
+// or equal to the total number of addresses.
+const threshold = 2;
+
+// The address (as index in `addresses`) that will submit a transaction.
+const index = 0;
+
+function main () {
+  // Address as a byte array.
+  const multiAddress = createKeyMulti(addresses, threshold);
+
+  // Convert byte array to SS58 encoding.
+  const Ss58Address = encodeAddress(multiAddress, SS58Prefix);
+
+  console.log(`\nMultisig Address: ${Ss58Address}`);
+
+  // Take addresses and remove the sender.
+  const otherSignatories = addresses.filter((who) => who !== addresses[index]);
+
+  // Sort them by public key.
+  const otherSignatoriesSorted = sortAddresses(otherSignatories, SS58Prefix);
+
+  console.log(`\nOther Signatories: ${otherSignatoriesSorted}\n`);
+
+  process.exit();
+}
+
+main();

docs/examples/util-crypto/04_generate_multisig_address/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "04_generate_multisig_address",
+  "version": "0.1.0",
+  "description": "Example showing how to generate a multisig address for Substrate's Utility pallet",
+  "main": "index.js",
+  "author": "joepetrowski",
+  "license": "MIT",
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "@polkadot/util-crypto": "^2.9.0-beta.1"
+  }
+}

jest.config.js

@@ -1,10 +1,14 @@
-// eslint-disable-next-line @typescript-eslint/no-var-requires
+// Copyright 2017-2020 @polkadot/util authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
 const config = require('@polkadot/dev/config/jest');
 
 module.exports = Object.assign({}, config, {
   moduleNameMapper: {
     '@polkadot/keyring(.*)$': '<rootDir>/packages/keyring/src/$1',
     '@polkadot/util-(crypto)(.*)$': '<rootDir>/packages/util-$1/src/$2',
+    // eslint-disable-next-line sort-keys
     '@polkadot/util(.*)$': '<rootDir>/packages/util/src/$1'
   },
   modulePathIgnorePatterns: [

jest.resolver.js

@@ -1,7 +1,6 @@
 // Copyright 2017-2020 @polkadot/util authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
-/* eslint-disable @typescript-eslint/no-var-requires */
 
 const path = require('path');
 

lerna.json

@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "2.6.2"
+  "version": "3.4.1"
 }

package.json

@@ -7,11 +7,13 @@
     "packages/*"
   ],
   "resolutions": {
-    "typescript": "^3.8.3"
+    "babel-core": "^7.0.0-bridge.0"
   },
   "scripts": {
     "build": "polkadot-dev-build-ts",
+    "build:release": "polkadot-ci-ghact-build",
     "docs": "polkadot-dev-build-docs",
+    "docs:release": "polkadot-ci-ghact-docs",
     "lint": "polkadot-dev-run-lint",
     "clean": "polkadot-dev-clean-build",
     "postinstall": "polkadot-dev-yarn-only",
@@ -19,8 +21,13 @@
     "test:one": "polkadot-dev-run-test"
   },
   "devDependencies": {
-    "@babel/core": "^7.8.7",
-    "@polkadot/dev": "^0.50.30",
-    "@polkadot/ts": "^0.3.7"
-  }
+    "@babel/core": "^7.11.4",
+    "@polkadot/dev": "^0.55.43",
+    "@polkadot/ts": "^0.3.40",
+    "@types/jest": "^26.0.10",
+    "typedoc": "^0.18.0",
+    "typedoc-plugin-markdown": "^2.4.2",
+    "typedoc-plugin-no-inherit": "^1.1.10"
+  },
+  "version": "3.4.1"
 }

packages/keyring/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/keyring",
-  "version": "2.6.2",
+  "version": "3.4.1",
   "description": "Keyring management",
   "main": "index.js",
   "publishConfig": {
@@ -27,8 +27,8 @@
   },
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/keyring#readme",
   "dependencies": {
-    "@babel/runtime": "^7.8.7",
-    "@polkadot/util": "2.6.2",
-    "@polkadot/util-crypto": "2.6.2"
+    "@babel/runtime": "^7.11.2",
+    "@polkadot/util": "3.4.1",
+    "@polkadot/util-crypto": "3.4.1"
   }
 }

packages/keyring/src/index.spec.ts

@@ -147,4 +147,213 @@ describe('keypair', (): void => {
       expect(pair.verify(MESSAGE, signature)).toBe(true);
     });
   });
+
+  describe('ecdsa', (): void => {
+    const seedOne = 'potato act energy ahead stone taxi receive fame gossip equip chest round';
+    const seedTwo = hexToU8a('0x3c74be003bd9a876be439949ccf2b292bd966c94959a689173b295b326cd6da7');
+    const publicKeyOne = hexToU8a('0x02c6b6c664db5ef505477bba1cf2f1789c98796b9bb5fa21abd0ac4589bed980e7');
+    const publicKeyTwo = hexToU8a('0x021da683b913fb28c979ba3e5f1881415cef4b1f58a5d05ed3610a2995e7b4943c');
+    const addressKeyOne = hexToU8a('0x0cfd0dd2c59a9987b9848919163931b6a42283ffd3d91e92c98b522525a7038f');
+    let keyring: Keyring;
+
+    beforeEach((): void => {
+      keyring = new Keyring({ ss58Format: 42, type: 'ecdsa' });
+
+      keyring.addFromMnemonic(seedOne, {});
+    });
+
+    it('creates with dev phrase when only path specified', (): void => {
+      expect(
+        keyring.createFromUri('//Alice').address
+      ).toEqual('5C7C2Z5sWbytvHpuLTvzKunnnRwQxft1jiqrLD5rhucQ5S9X');
+    });
+
+    it('adds the pair', (): void => {
+      expect(
+        keyring.addFromSeed(seedTwo, {}).publicKey
+      ).toEqual(publicKeyTwo);
+    });
+
+    it('adds from a mnemonic', (): void => {
+      keyring.setSS58Format(68);
+
+      expect(
+        keyring.addFromMnemonic('moral movie very draw assault whisper awful rebuild speed purity repeat card').address
+      ).toEqual('7ooxHV3mz4nnWbK8v7Mxcb71QMpof268eL1A2VrYWUNWJk8P');
+    });
+
+    it('allows publicKeys retrieval', (): void => {
+      keyring.addFromSeed(seedTwo, {});
+
+      expect(
+        keyring.getPublicKeys()
+      ).toEqual([publicKeyOne, publicKeyTwo]);
+    });
+
+    it('allows retrieval of a specific item', (): void => {
+      expect(
+        keyring.getPair(addressKeyOne).publicKey
+      ).toEqual(publicKeyOne);
+    });
+
+    it('allows adding from JSON', (): void => {
+      expect(
+        keyring.addFromJson(
+          JSON.parse('{"address":"5DzMsaYFhmpRdErWrP6K6PD7UXzYoeETToSBUrZSvxasqWRz","encoded":"0xa192d39b42bc1601bf61df31039a554228593fadf870bc837b658a5114627aca199fff596260c95fe8994c66a47636cf0270aa08f402ba5541038753960d00e6c3af5e239ec58fb1eef3db7d6bc266f4853bdfe4ed17122d9092d879014d53980d2ee57f6f55a88c38836447d8645008e8815379626addc8f81f80cd49a2","encoding":{"content":"pkcs8","type":"xsalsa20-poly1305","version":"2"},"meta":{}}')
+        ).address
+      ).toEqual('5DzMsaYFhmpRdErWrP6K6PD7UXzYoeETToSBUrZSvxasqWRz');
+    });
+
+    it('signs and verifies', (): void => {
+      const MESSAGE = stringToU8a('this is a message');
+      const pair = keyring.getPair(addressKeyOne);
+      const signature = pair.sign(MESSAGE);
+
+      expect(pair.verify(MESSAGE, signature)).toBe(true);
+    });
+  });
+
+  describe('ethereum', (): void => {
+    const PHRASE = 'seed sock milk update focus rotate barely fade car face mechanic mercy';
+    let keyring: Keyring;
+
+    beforeEach((): void => {
+      keyring = new Keyring({ type: 'ethereum' });
+    });
+
+    it('adds a pair with the correct address', (): void => {
+      const pair = keyring.createFromUri(PHRASE);
+
+      expect(pair.publicKey).toEqual(hexToU8a('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077'));
+      expect(pair.address).toEqual('0x4119b2e6c3Cb618F4f0B93ac77f9BeeC7FF02887');
+    });
+
+    it('encodes a pair toJSON', (): void => {
+      const pair = keyring.createFromUri(PHRASE);
+      const json = pair.toJson('password');
+
+      expect(json.address).toEqual('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077');
+      expect(json.encoding).toEqual({
+        content: ['pkcs8', 'ethereum'],
+        type: ['scrypt', 'xsalsa20-poly1305'],
+        version: '3'
+      });
+    });
+
+    it('allows adding from JSON', (): void => {
+      const pair = keyring.addFromJson(
+        JSON.parse('{"address":"KWCv1L3QX9LDPwY4VzvLmarEmXjVJidUzZcinvVnmxAJJCBou","encoded":"U8qFEaghhmNV2PgFhjqzmhyUy37Ok7abfFU2MNsBd0sAgAAAAQAAAAgAAAA3+NniKogzNphiMNueB1X0sGA07B6CaXWfpXPx45iSXoTTprwzU5mOoSqUWO0GKHROI72LN+uJ8Yfv6Ll6JOOV3VPKfoVoFmYm+zDrrMPa0gk5E5kUuSijxADcE6zUrliPVr0Ix/qaghu5SJ7RtWDQLBf4Hp86SJ8Gg6gTSSk=","encoding":{"content":["pkcs8","ethereum"],"type":["scrypt","xsalsa20-poly1305"],"version":"3"},"meta":{}}')
+      );
+
+      expect(pair.publicKey).toEqual(hexToU8a('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077'));
+      expect(pair.address).toEqual('0x4119b2e6c3Cb618F4f0B93ac77f9BeeC7FF02887');
+
+      pair.decodePkcs8('password');
+
+      expect(pair.isLocked).toBe(false);
+      expect(pair.publicKey).toEqual(hexToU8a('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077'));
+      expect(pair.address).toBe('0x4119b2e6c3Cb618F4f0B93ac77f9BeeC7FF02887');
+    });
+
+    it('allows for signing/verification', (): void => {
+      const MESSAGE = stringToU8a('just some test message');
+      const signer = keyring.createFromUri(PHRASE);
+      const verifier = keyring.addFromJson(
+        JSON.parse('{"address":"KWCv1L3QX9LDPwY4VzvLmarEmXjVJidUzZcinvVnmxAJJCBou","encoded":"U8qFEaghhmNV2PgFhjqzmhyUy37Ok7abfFU2MNsBd0sAgAAAAQAAAAgAAAA3+NniKogzNphiMNueB1X0sGA07B6CaXWfpXPx45iSXoTTprwzU5mOoSqUWO0GKHROI72LN+uJ8Yfv6Ll6JOOV3VPKfoVoFmYm+zDrrMPa0gk5E5kUuSijxADcE6zUrliPVr0Ix/qaghu5SJ7RtWDQLBf4Hp86SJ8Gg6gTSSk=","encoding":{"content":["pkcs8","ethereum"],"type":["scrypt","xsalsa20-poly1305"],"version":"3"},"meta":{}}')
+      );
+
+      const signature = signer.sign(MESSAGE);
+
+      expect(verifier.verify(MESSAGE, signature)).toBe(true);
+    });
+  });
+
+  describe('util', (): void => {
+    let keyring: Keyring;
+
+    beforeEach((): void => {
+      keyring = new Keyring({ ss58Format: 42 });
+    });
+
+    it('can re-encode an address to Polkadot live', (): void => {
+      expect(
+        keyring.encodeAddress('5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY', 0)
+      ).toEqual('15oF4uVJwmo4TdGW7VfQxNLavjCXviqxT9S1MgbjMNHr6Sp5');
+    });
+
+    it('can re-encode an address to keyring default', (): void => {
+      expect(
+        keyring.encodeAddress('15oF4uVJwmo4TdGW7VfQxNLavjCXviqxT9S1MgbjMNHr6Sp5')
+      ).toEqual('5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY');
+    });
+  });
+
+  describe('version 2 JSON', (): void => {
+    const PAIR = '{"address":"5CczAE5AmGrZ93MeVhha3Ywam7j9dKB7cArnH7gtrXcMFJvu","encoded":"0xee8f236e2ac3217ce689692a4afc612220dc77fddaed0482f8f95136a7c3e034cccfbc495410a6e9b2439904974ed1d207abeca536ff6985ceb78edeeb3dc343e561c184c488101af8811d1331430b4ccf0e96ef507132e5132964e8564232e7100d973c5bee7b231dd0c8ad5273f3501515a422c8d7ed9d20a73c0ed17c98ee4588e54844bb73052dcad81f7a1094613d63c162fec7446c88b1fae70e","encoding":{"content":["pkcs8","sr25519"],"type":"xsalsa20-poly1305","version":"2"},"meta":{"genesisHash":"0xe143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423e","name":"json v2","tags":[],"whenCreated":1595243159596}}';
+    const PASS2 = 'versionTwo';
+    const PASS3 = 'versionThree';
+    let keyring: Keyring;
+
+    beforeEach((): void => {
+      keyring = new Keyring({ ss58Format: 42 });
+    });
+
+    it('can decode from a version 2 JSON file', (): void => {
+      const pair = keyring.addFromJson(JSON.parse(PAIR));
+
+      pair.decodePkcs8(PASS2);
+
+      const json = pair.toJson(PASS3);
+
+      expect(pair.isLocked).toBe(false);
+      expect(pair.address).toBe('5CczAE5AmGrZ93MeVhha3Ywam7j9dKB7cArnH7gtrXcMFJvu');
+      expect(json.encoding).toEqual({
+        content: ['pkcs8', 'sr25519'],
+        type: ['scrypt', 'xsalsa20-poly1305'],
+        version: '3'
+      });
+
+      pair.decodePkcs8(PASS3);
+
+      expect(pair.address).toEqual('5CczAE5AmGrZ93MeVhha3Ywam7j9dKB7cArnH7gtrXcMFJvu');
+    });
+  });
+
+  describe('version 3 JSON (hex)', (): void => {
+    const PAIR = '{"address":"FLiSDPCcJ6auZUGXALLj6jpahcP6adVFDBUQznPXUQ7yoqH","encoded":"0xcd238963070cc4d6806053ee1ac500c7add9c28732bb5d434a332f84a91d9be0008000000100000008000000cf630a1113941b350ddd06697e50399183162e5e9a0e893eafc7f5f4893a223dca5055706b9925b56fdb4304192143843da718e11717daf89cf4f4781f94fb443f61432f782d54280af9eec90bd3069c3cc2d957a42b7c18dc2e9497f623735518e0e49b58f8e4db2c09da3a45dbb935659d015fc94b946cba75b606a6ff7f4e823f6b049e2e6892026b49de02d6dbbd64646fe0933f537d9ea53a70be","encoding":{"content":["pkcs8","sr25519"],"type":["scrypt","xsalsa20-poly1305"],"version":"3"},"meta":{"genesisHash":"0xb0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe","name":"version3","tags":[],"whenCreated":1595277797639}}';
+    const PASS3 = 'version3';
+    let keyring: Keyring;
+
+    beforeEach((): void => {
+      keyring = new Keyring({ ss58Format: 2 });
+    });
+
+    it('can decode from a version 3 JSON file', (): void => {
+      const pair = keyring.addFromJson(JSON.parse(PAIR));
+
+      pair.decodePkcs8(PASS3);
+
+      expect(pair.isLocked).toBe(false);
+      expect(pair.address).toBe('FLiSDPCcJ6auZUGXALLj6jpahcP6adVFDBUQznPXUQ7yoqH');
+    });
+  });
+
+  describe('version 3 JSON (base64)', (): void => {
+    const PAIR = '{"address":"FLiSDPCcJ6auZUGXALLj6jpahcP6adVFDBUQznPXUQ7yoqH","encoded":"ILjSgYaGvq1zaCz/kx+aqfLaHBjLXz0Qsmr6RnkOVU4AgAAAAQAAAAgAAAB5R2hm5kgXyc0NQYFxvMU4zCdjB+ugs/ibEooqCvuudbaeKn3Ee47NkCqU1ecOJV+eeaVn4W4dRvIpj5kGmQOGsewR+MiQ/B0G9NFh7JXV0qcPlk2QMNW1/mbJrTO4miqL448BSkP7ZOhUV6HFUpMt3B9HwjiRLN8RORcFp0ID/Azs4Jl/xOpXNzbgQGIffWgCIKTxN9N1ku6tdlG4","encoding":{"content":["pkcs8","sr25519"],"type":["scrypt","xsalsa20-poly1305"],"version":"3"},"meta":{"genesisHash":"0xb0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe","name":"version3","tags":[],"whenCreated":1595277797639,"whenEdited":1595278378596}}';
+    const PASS3 = 'version3';
+    let keyring: Keyring;
+
+    beforeEach((): void => {
+      keyring = new Keyring({ ss58Format: 2 });
+    });
+
+    it('can decode from a version 3 JSON file', (): void => {
+      const pair = keyring.addFromJson(JSON.parse(PAIR));
+
+      pair.decodePkcs8(PASS3);
+
+      expect(pair.isLocked).toBe(false);
+      expect(pair.address).toBe('FLiSDPCcJ6auZUGXALLj6jpahcP6adVFDBUQznPXUQ7yoqH');
+    });
+  });
 });

packages/keyring/src/keyring.ts

@@ -2,16 +2,23 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { KeypairType } from '@polkadot/util-crypto/types';
-import { KeyringInstance, KeyringPair, KeyringPair$Json, KeyringPair$Meta, KeyringOptions } from './types';
+import { KeypairType, Keypair } from '@polkadot/util-crypto/types';
+import { KeyringInstance, KeyringPair, KeyringPair$Json, KeyringPair$JsonEncodingTypes, KeyringPair$Meta, KeyringOptions } from './types';
 
-import { assert, hexToU8a, isHex, stringToU8a } from '@polkadot/util';
-import { decodeAddress, encodeAddress, keyExtractSuri, keyFromPath, naclKeypairFromSeed as naclFromSeed, schnorrkelKeypairFromSeed as schnorrkelFromSeed, mnemonicToMiniSecret } from '@polkadot/util-crypto';
+import { assert, hexToU8a, isHex, isUndefined, stringToU8a } from '@polkadot/util';
+import { base64Decode, decodeAddress, encodeAddress, keyExtractSuri, keyFromPath, naclKeypairFromSeed as naclFromSeed, schnorrkelKeypairFromSeed as schnorrkelFromSeed, secp256k1KeypairFromSeed as secp256k1FromSeed, mnemonicToBip39, mnemonicToMiniSecret } from '@polkadot/util-crypto';
 
 import { DEV_PHRASE } from './defaults';
 import createPair from './pair';
 import Pairs from './pairs';
 
+const keypairFromSeed = {
+  ecdsa: (seed: Uint8Array): Keypair => secp256k1FromSeed(seed),
+  ed25519: (seed: Uint8Array): Keypair => naclFromSeed(seed),
+  ethereum: (seed: Uint8Array): Keypair => secp256k1FromSeed(seed),
+  sr25519: (seed: Uint8Array): Keypair => schnorrkelFromSeed(seed)
+};
+
 /**
  * # @polkadot/keyring
  *
@@ -40,7 +47,7 @@ export default class Keyring implements KeyringInstance {
   constructor (options: KeyringOptions = {}) {
     options.type = options.type || 'ed25519';
 
-    assert(options && ['ed25519', 'sr25519'].includes(options.type || 'undefined'), `Expected a keyring type of either 'ed25519' or 'sr25519', found '${options.type}`);
+    assert(options && ['ecdsa', 'ethereum', 'ed25519', 'sr25519'].includes(options.type || 'undefined'), `Expected a keyring type of either 'ed25519', 'sr25519' or 'ecdsa', found '${options.type}`);
 
     this.#pairs = new Pairs();
     this.#ss58 = options.ss58Format;
@@ -62,7 +69,7 @@ export default class Keyring implements KeyringInstance {
   }
 
   /**
-   * @description Returns the type of the keyring, either ed25519 of sr25519
+   * @description Returns the type of the keyring, ed25519, sr25519 or ecdsa
    */
   public get type (): KeypairType {
     return this.#type;
@@ -84,10 +91,10 @@ export default class Keyring implements KeyringInstance {
    * of an account backup), and then generates a keyring pair from them that it passes to
    * `addPair` to stores in a keyring pair dictionary the public key of the generated pair as a key and the pair as the associated value.
    */
-  public addFromAddress (address: string | Uint8Array, meta: KeyringPair$Meta = {}, encoded: Uint8Array | null = null, type: KeypairType = this.type, ignoreChecksum?: boolean): KeyringPair {
+  public addFromAddress (address: string | Uint8Array, meta: KeyringPair$Meta = {}, encoded: Uint8Array | null = null, type: KeypairType = this.type, ignoreChecksum?: boolean, encType?: KeyringPair$JsonEncodingTypes[]): KeyringPair {
     const publicKey = this.decodeAddress(address, ignoreChecksum);
 
-    return this.addPair(createPair({ toSS58: this.encodeAddress, type }, { publicKey, secretKey: new Uint8Array(64) }, meta, encoded));
+    return this.addPair(createPair({ toSS58: this.encodeAddress, type }, { publicKey, secretKey: new Uint8Array() }, meta, encoded, encType));
   }
 
   /**
@@ -97,12 +104,15 @@ export default class Keyring implements KeyringInstance {
    * of an account backup), and then generates a keyring pair from it that it passes to
    * `addPair` to stores in a keyring pair dictionary the public key of the generated pair as a key and the pair as the associated value.
    */
-  public addFromJson ({ address, encoded, encoding: { content, version }, meta }: KeyringPair$Json, ignoreChecksum?: boolean): KeyringPair {
-    const type = version === '0' || !Array.isArray(content)
+  public addFromJson ({ address, encoded, encoding: { content, type, version }, meta }: KeyringPair$Json, ignoreChecksum?: boolean): KeyringPair {
+    const cryptoType = version === '0' || !Array.isArray(content)
       ? this.type
       : content[1];
+    const encType = !Array.isArray(type)
+      ? [type]
+      : type;
 
-    return this.addFromAddress(address, meta, hexToU8a(encoded), type, ignoreChecksum);
+    return this.addFromAddress(address, meta, isHex(encoded) ? hexToU8a(encoded) : base64Decode(encoded), cryptoType, ignoreChecksum, encType);
   }
 
   /**
@@ -125,11 +135,7 @@ export default class Keyring implements KeyringInstance {
    * `addPair` to store in a keyring pair dictionary the public key of the generated pair as a key and the pair as the associated value.
    */
   public addFromSeed (seed: Uint8Array, meta: KeyringPair$Meta = {}, type: KeypairType = this.type): KeyringPair {
-    const keypair = type === 'sr25519'
-      ? schnorrkelFromSeed(seed)
-      : naclFromSeed(seed);
-
-    return this.addPair(createPair({ toSS58: this.encodeAddress, type }, keypair, meta, null));
+    return this.addPair(createPair({ toSS58: this.encodeAddress, type }, keypairFromSeed[type](seed), meta, null));
   }
 
   /**
@@ -153,8 +159,8 @@ export default class Keyring implements KeyringInstance {
     const suri = _suri.startsWith('//')
       ? `${DEV_PHRASE}${_suri}`
       : _suri;
-    const { password, phrase, path } = keyExtractSuri(suri);
-    let seed;
+    const { password, path, phrase } = keyExtractSuri(suri);
+    let seed: Uint8Array;
 
     if (isHex(phrase, 256)) {
       seed = hexToU8a(phrase);
@@ -163,11 +169,9 @@ export default class Keyring implements KeyringInstance {
       const parts = str.split(' ');
 
       if ([12, 15, 18, 21, 24].includes(parts.length)) {
-        // FIXME This keeps compat with older versions, but breaks compat with subkey
-        // seed = type === 'sr25519'
-        //   ? mnemonicToMiniSecret(phrase, password)
-        //   : mnemonicToSeed(phrase, password);
-        seed = mnemonicToMiniSecret(phrase, password);
+        seed = type === 'ethereum'
+          ? mnemonicToBip39(phrase)
+          : mnemonicToMiniSecret(phrase, password);
       } else {
         assert(str.length <= 32, 'specified phrase is not a valid mnemonic and is invalid as a raw seed at > 32 bytes');
 
@@ -175,10 +179,8 @@ export default class Keyring implements KeyringInstance {
       }
     }
 
-    const keypair = type === 'sr25519'
-      ? schnorrkelFromSeed(seed)
-      : naclFromSeed(seed);
-    const derived = keyFromPath(keypair, path, type);
+    // FIXME Need to support Ethereum-type derivation paths
+    const derived = keyFromPath(keypairFromSeed[type](seed), path, type);
 
     return createPair({ toSS58: this.encodeAddress, type }, derived, meta, null);
   }
@@ -187,8 +189,8 @@ export default class Keyring implements KeyringInstance {
    * @name encodeAddress
    * @description Encodes the input into an ss58 representation
    */
-  public encodeAddress = (key: Uint8Array | string, ss58Format?: number): string => {
-    return encodeAddress(key, ss58Format || this.#ss58);
+  public encodeAddress = (address: Uint8Array | string, ss58Format?: number): string => {
+    return encodeAddress(address, isUndefined(ss58Format) ? this.#ss58 : ss58Format);
   }
 
   /**

packages/keyring/src/pair/decode.ts

@@ -2,11 +2,13 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { assert, stringToU8a, u8aFixLength } from '@polkadot/util';
-import { naclDecrypt } from '@polkadot/util-crypto';
+import { KeyringPair$JsonEncodingTypes } from '../types';
 import { PairInfo } from './types';
 
-import { NONCE_LENGTH, PKCS8_DIVIDER, PKCS8_HEADER, PUB_LENGTH, SEC_LENGTH, SEED_LENGTH } from './defaults';
+import { assert, stringToU8a, u8aFixLength } from '@polkadot/util';
+import { naclDecrypt, scryptEncode, scryptFromU8a } from '@polkadot/util-crypto';
+
+import { ENCODING, NONCE_LENGTH, PKCS8_DIVIDER, PKCS8_HEADER, PUB_LENGTH, SEC_LENGTH, SEED_LENGTH, SCRYPT_LENGTH } from './defaults';
 
 const SEED_OFFSET = PKCS8_HEADER.length;
 
@@ -41,18 +43,32 @@ function decodePkcs8 (encoded: Uint8Array): DecodeResult {
   };
 }
 
-export default function decode (passphrase?: string, encrypted?: Uint8Array | null): DecodeResult {
+export default function decode (passphrase?: string, encrypted?: Uint8Array | null, encType: KeyringPair$JsonEncodingTypes[] = ENCODING): DecodeResult {
   assert(encrypted, 'No encrypted data available to decode');
+  assert(passphrase || !encType.includes('xsalsa20-poly1305'), 'Password required to decode encypted data');
 
-  const encoded = passphrase
-    ? naclDecrypt(
+  let encoded: Uint8Array | null = encrypted;
+
+  if (passphrase) {
+    let password: Uint8Array;
+
+    if (encType.includes('scrypt')) {
+      const { params, salt } = scryptFromU8a(encrypted);
+
+      password = scryptEncode(passphrase, salt, params).password;
+      encrypted = encrypted.subarray(SCRYPT_LENGTH);
+    } else {
+      password = stringToU8a(passphrase);
+    }
+
+    encoded = naclDecrypt(
       encrypted.subarray(NONCE_LENGTH),
       encrypted.subarray(0, NONCE_LENGTH),
-      u8aFixLength(stringToU8a(passphrase), 256, true)
-    )
-    : encrypted;
+      u8aFixLength(password, 256, true)
+    );
+  }
 
-  assert(encoded, 'Unable to unencrypt using the supplied passphrase');
+  assert(encoded, 'Unable to decode using the supplied passphrase');
 
   return decodePkcs8(encoded);
 }

packages/keyring/src/pair/defaults.ts

@@ -2,18 +2,26 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
+import { KeyringPair$JsonEncodingTypes } from '../types';
+
+const ENCODING: KeyringPair$JsonEncodingTypes[] = ['scrypt', 'xsalsa20-poly1305'];
 const NONCE_LENGTH = 24;
 const PKCS8_DIVIDER = new Uint8Array([161, 35, 3, 33, 0]);
 const PKCS8_HEADER = new Uint8Array([48, 83, 2, 1, 1, 48, 5, 6, 3, 43, 101, 112, 4, 34, 4, 32]);
 const PUB_LENGTH = 32;
+const SALT_LENGTH = 32;
 const SEC_LENGTH = 64;
 const SEED_LENGTH = 32;
+const SCRYPT_LENGTH = SALT_LENGTH + (3 * 4);
 
 export {
+  ENCODING,
   NONCE_LENGTH,
   PKCS8_DIVIDER,
   PKCS8_HEADER,
   PUB_LENGTH,
+  SALT_LENGTH,
   SEC_LENGTH,
-  SEED_LENGTH
+  SEED_LENGTH,
+  SCRYPT_LENGTH
 };

packages/keyring/src/pair/encode.spec.ts

@@ -3,10 +3,10 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 import testingPairs from '../testingPairs';
-import { PKCS8_DIVIDER, PKCS8_HEADER, PUB_LENGTH, SEC_LENGTH } from './defaults';
+import { PKCS8_DIVIDER, PKCS8_HEADER, NONCE_LENGTH, PUB_LENGTH, SCRYPT_LENGTH, SEC_LENGTH } from './defaults';
 
 const PKCS8_LENGTH = PKCS8_DIVIDER.length + PKCS8_HEADER.length + PUB_LENGTH + SEC_LENGTH;
-const ENCODED_LENGTH = 157;
+const ENCODED_LENGTH = 16 + PKCS8_LENGTH + NONCE_LENGTH + SCRYPT_LENGTH;
 
 const keyring = testingPairs({ type: 'ed25519' }, false);
 

packages/keyring/src/pair/encode.ts

@@ -4,8 +4,8 @@
 
 import { PairInfo } from './types';
 
-import { stringToU8a, u8aConcat, u8aFixLength, assert } from '@polkadot/util';
-import { naclEncrypt } from '@polkadot/util-crypto';
+import { u8aConcat, assert } from '@polkadot/util';
+import { naclEncrypt, scryptEncode, scryptToU8a } from '@polkadot/util-crypto';
 
 import { PKCS8_DIVIDER, PKCS8_HEADER } from './defaults';
 
@@ -23,7 +23,8 @@ export default function encode ({ publicKey, secretKey }: PairInfo, passphrase?:
     return encoded;
   }
 
-  const { encrypted, nonce } = naclEncrypt(encoded, u8aFixLength(stringToU8a(passphrase), 256, true));
+  const { params, password, salt } = scryptEncode(passphrase);
+  const { encrypted, nonce } = naclEncrypt(encoded, password.subarray(0, 32));
 
-  return u8aConcat(nonce, encrypted);
+  return u8aConcat(scryptToU8a(salt, params), nonce, encrypted);
 }

packages/keyring/src/pair/index.spec.ts

@@ -4,6 +4,8 @@
 
 import { cryptoWaitReady, encodeAddress as toSS58, setSS58Format } from '@polkadot/util-crypto';
 
+import { hexToU8a } from '@polkadot/util';
+
 import { PAIRS } from '../testing';
 import testingPairs from '../testingPairs';
 import createPair from '.';
@@ -23,6 +25,11 @@ describe('pair', (): void => {
     ).toEqual(
       new Uint8Array([209, 114, 167, 76, 218, 76, 134, 89, 18, 195, 43, 160, 168, 10, 87, 174, 105, 171, 174, 65, 14, 92, 203, 89, 222, 232, 78, 47, 68, 50, 219, 79])
     );
+    expect(
+      keyring.alice.addressRaw
+    ).toEqual(
+      new Uint8Array([209, 114, 167, 76, 218, 76, 134, 89, 18, 195, 43, 160, 168, 10, 87, 174, 105, 171, 174, 65, 14, 92, 203, 89, 222, 232, 78, 47, 68, 50, 219, 79])
+    );
   });
 
   it('allows signing', (): void => {
@@ -80,6 +87,7 @@ describe('pair', (): void => {
     const encoded = keyring.alice.encodePkcs8(PASS);
 
     const pair = createPair({ toSS58, type: 'sr25519' }, { publicKey: keyring.alice.publicKey });
+
     pair.decodePkcs8(PASS, encoded);
 
     expect(pair.isLocked).toEqual(false);
@@ -93,4 +101,22 @@ describe('pair', (): void => {
     expect(stash.publicKey).toEqual(PAIRS[1].publicKey);
     expect(soft.address).toEqual('5ECQNn7UueWHPFda5qUi4fTmTtyCnPvGnuoyVVSj5CboJh9J');
   });
+
+  it('fails to sign when locked', (): void => {
+    const pair = createPair({ toSS58, type: 'sr25519' }, { publicKey: keyring.alice.publicKey });
+
+    expect(pair.isLocked).toEqual(true);
+    expect((): Uint8Array =>
+      pair.sign(new Uint8Array([0]))
+    ).toThrow('Cannot sign with a locked key pair');
+  });
+
+  describe('ethereum', (): void => {
+    it('has a valid address from a known public', (): void => {
+      const pair = createPair({ toSS58, type: 'ethereum' }, { publicKey: hexToU8a('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077') });
+
+      expect(pair.address).toEqual('0x4119b2e6c3Cb618F4f0B93ac77f9BeeC7FF02887');
+      expect(pair.addressRaw).toEqual(hexToU8a('0x4119b2e6c3Cb618F4f0B93ac77f9BeeC7FF02887'));
+    });
+  });
 });

packages/keyring/src/pair/index.ts

@@ -3,11 +3,11 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 import { Keypair, KeypairType } from '@polkadot/util-crypto/types';
-import { KeyringPair, KeyringPair$Json, KeyringPair$Meta, SignOptions } from '../types';
+import { KeyringPair, KeyringPair$Json, KeyringPair$JsonEncodingTypes, KeyringPair$Meta, SignOptions } from '../types';
 import { PairInfo } from './types';
 
-import { u8aConcat, assert } from '@polkadot/util';
-import { keyExtractPath, keyFromPath, naclKeypairFromSeed as naclFromSeed, naclSign, naclVerify, schnorrkelKeypairFromSeed as schnorrkelFromSeed, schnorrkelSign, schnorrkelVerify } from '@polkadot/util-crypto';
+import { assert, u8aConcat, u8aToHex } from '@polkadot/util';
+import { blake2AsU8a, ethereumEncode, keccakAsU8a, keyExtractPath, keyFromPath, naclKeypairFromSeed as naclFromSeed, naclSign, naclVerify, schnorrkelKeypairFromSeed as schnorrkelFromSeed, schnorrkelSign, schnorrkelVerify, secp256k1Expand, secp256k1KeypairFromSeed as secp256k1FromSeed, secp256k1Sign, secp256k1Verify, secp256k1Compress } from '@polkadot/util-crypto';
 
 import decode from './decode';
 import encode from './encode';
@@ -19,47 +19,49 @@ interface Setup {
 }
 
 const SIG_TYPE_NONE = new Uint8Array();
-const SIG_TYPE_ED25519 = new Uint8Array([0]);
-const SIG_TYPE_SR25519 = new Uint8Array([1]);
-// const SIG_TYPE_ECDSA = new Uint8Array([2]);
+
+const TYPE_FROM_SEED = {
+  ecdsa: secp256k1FromSeed,
+  ed25519: naclFromSeed,
+  ethereum: secp256k1FromSeed,
+  sr25519: schnorrkelFromSeed
+};
+
+const TYPE_PREFIX = {
+  ecdsa: new Uint8Array([2]),
+  ed25519: new Uint8Array([0]),
+  ethereum: new Uint8Array([2]),
+  sr25519: new Uint8Array([1])
+};
+
+const TYPE_SIGNATURE = {
+  ecdsa: (m: Uint8Array, p: Partial<Keypair>) => secp256k1Sign(m, p, 'blake2'),
+  ed25519: naclSign,
+  ethereum: (m: Uint8Array, p: Partial<Keypair>) => secp256k1Sign(m, p, 'keccak'),
+  sr25519: schnorrkelSign
+};
+
+const TYPE_ADDRESS = {
+  ecdsa: (p: Uint8Array) => p.length > 32 ? blake2AsU8a(p) : p,
+  ed25519: (p: Uint8Array) => p,
+  ethereum: (p: Uint8Array) => keccakAsU8a(secp256k1Expand(p)),
+  sr25519: (p: Uint8Array) => p
+};
+
+const TYPE_VERIFY = {
+  ecdsa: (m: Uint8Array, s: Uint8Array, p: Uint8Array) => secp256k1Verify(m, s, TYPE_ADDRESS.ecdsa(p), 'blake2'),
+  ed25519: naclVerify,
+  ethereum: (m: Uint8Array, s: Uint8Array, p: Uint8Array) => secp256k1Verify(m, s, TYPE_ADDRESS.ethereum(p), 'keccak', true),
+  sr25519: schnorrkelVerify
+};
 
 function isEmpty (u8a: Uint8Array): boolean {
-  return u8a.reduce((count, u8): number => count + u8, 0) === 0;
+  return u8a.reduce((count, u8) => count + u8, 0) === 0;
 }
 
-function isSr25519 (type: KeypairType): boolean {
-  return type === 'sr25519';
-}
-
-function fromSeed (type: KeypairType, seed: Uint8Array): Keypair {
-  return isSr25519(type)
-    ? schnorrkelFromSeed(seed)
-    : naclFromSeed(seed);
-}
-
-function multiSignaturePrefix (type: KeypairType): Uint8Array {
-  return isSr25519(type)
-    ? SIG_TYPE_SR25519
-    : SIG_TYPE_ED25519;
-}
-
-function sign (type: KeypairType, message: Uint8Array, pair: Partial<Keypair>, { withType = false }: SignOptions = {}): Uint8Array {
-  return u8aConcat(
-    // for multi-signatures, i.e. with indicator, append the signature type as per
-    // the MultiSignature enum
-    withType
-      ? multiSignaturePrefix(type)
-      : SIG_TYPE_NONE,
-    isSr25519(type)
-      ? schnorrkelSign(message, pair)
-      : naclSign(message, pair)
-  );
-}
-
-function verify (type: KeypairType, message: Uint8Array, signature: Uint8Array, publicKey: Uint8Array): boolean {
-  return isSr25519(type)
-    ? schnorrkelVerify(message, signature, publicKey)
-    : naclVerify(message, signature, publicKey);
+// Not 100% correct, since it can be a Uint8Array, but an invalid one - just say "undefined" is anything non-valid
+function isLocked (secretKey?: Uint8Array): secretKey is undefined {
+  return !secretKey || secretKey.length === 0 || isEmpty(secretKey);
 }
 
 /**
@@ -93,57 +95,93 @@ function verify (type: KeypairType, message: Uint8Array, signature: Uint8Array,
  * an `encoded` property that is assigned with the encoded public key in hex format, and an `encoding`
  * property that indicates whether the public key value of the `encoded` property is encoded or not.
  */
-export default function createPair ({ toSS58, type }: Setup, { publicKey, secretKey }: PairInfo, meta: KeyringPair$Meta = {}, encoded: Uint8Array | null = null): KeyringPair {
+export default function createPair ({ toSS58, type }: Setup, { publicKey, secretKey }: PairInfo, meta: KeyringPair$Meta = {}, encoded: Uint8Array | null = null, encTypes?: KeyringPair$JsonEncodingTypes[]): KeyringPair {
+  const recode = (passphrase?: string): Uint8Array => {
+    encoded = encode({ publicKey, secretKey }, passphrase); // re-encode, latest version
+    encTypes = undefined; // swap to defaults, latest version follows
+
+    return encoded;
+  };
+
+  const encodeAddress = (): string => {
+    const raw = TYPE_ADDRESS[type](publicKey);
+
+    return type === 'ethereum'
+      ? ethereumEncode(raw)
+      : toSS58(raw);
+  };
+
   return {
     get address (): string {
-      return toSS58(publicKey);
+      return encodeAddress();
+    },
+    get addressRaw (): Uint8Array {
+      const raw = TYPE_ADDRESS[type](publicKey);
+
+      return type === 'ethereum'
+        ? raw.slice(-20)
+        : raw;
+    },
+    get isLocked (): boolean {
+      return isLocked(secretKey);
     },
     get meta (): KeyringPair$Meta {
       return meta;
     },
-    get isLocked (): boolean {
-      return !secretKey || secretKey.length === 0 || isEmpty(secretKey);
-    },
     get publicKey (): Uint8Array {
       return publicKey;
     },
     get type (): KeypairType {
       return type;
     },
-    decodePkcs8: (passphrase?: string, _encoded?: Uint8Array | null): void => {
-      const decoded = decode(passphrase, _encoded || encoded);
+    // eslint-disable-next-line sort-keys
+    decodePkcs8: (passphrase?: string, userEncoded?: Uint8Array | null): void => {
+      const decoded = decode(passphrase, userEncoded || encoded, encTypes);
 
       if (decoded.secretKey.length === 64) {
         publicKey = decoded.publicKey;
         secretKey = decoded.secretKey;
       } else {
-        const pair = fromSeed(type, decoded.secretKey);
+        const pair = TYPE_FROM_SEED[type](decoded.secretKey);
 
         publicKey = pair.publicKey;
         secretKey = pair.secretKey;
       }
     },
     derive: (suri: string, meta?: KeyringPair$Meta): KeyringPair => {
-      assert(secretKey, 'Cannot derive on a locked keypair');
+      assert(!isLocked(secretKey), 'Cannot derive on a locked keypair');
 
       const { path } = keyExtractPath(suri);
-      const derived = keyFromPath({ publicKey, secretKey: secretKey }, path, type);
+      const derived = keyFromPath({ publicKey, secretKey }, path, type);
 
       return createPair({ toSS58, type }, derived, meta, null);
     },
     encodePkcs8: (passphrase?: string): Uint8Array =>
-      encode({ publicKey, secretKey }, passphrase),
+      recode(passphrase),
     lock: (): void => {
-      secretKey = new Uint8Array(0);
+      secretKey = new Uint8Array();
     },
     setMeta: (additional: KeyringPair$Meta): void => {
       meta = { ...meta, ...additional };
     },
-    sign: (message: Uint8Array, options?: SignOptions): Uint8Array =>
-      sign(type, message, { publicKey, secretKey }, options),
-    toJson: (passphrase?: string): KeyringPair$Json =>
-      toJson(type, { meta, publicKey }, encode({ publicKey, secretKey }, passphrase), !!passphrase),
+    sign: (message: Uint8Array, options: SignOptions = {}): Uint8Array => {
+      assert(!isLocked(secretKey), 'Cannot sign with a locked key pair');
+
+      return u8aConcat(
+        options.withType
+          ? TYPE_PREFIX[type]
+          : SIG_TYPE_NONE,
+        TYPE_SIGNATURE[type](message, { publicKey, secretKey })
+      );
+    },
+    toJson: (passphrase?: string): KeyringPair$Json => {
+      const address = ['ecdsa', 'ethereum'].includes(type)
+        ? u8aToHex(secp256k1Compress(publicKey))
+        : encodeAddress();
+
+      return toJson(type, { address, meta }, recode(passphrase), !!passphrase);
+    },
     verify: (message: Uint8Array, signature: Uint8Array): boolean =>
-      verify(type, message, signature, publicKey)
+      TYPE_VERIFY[type](message, signature, publicKey)
   };
 }

packages/keyring/src/pair/nobody.ts

@@ -25,8 +25,8 @@ const json: KeyringPair$Json = {
 
 export default function everybody (): KeyringPair {
   const pair: KeyringPair = {
-    type: 'ed25519',
     address,
+    addressRaw: publicKey,
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     decodePkcs8: (passphrase?: string, encoded?: Uint8Array): void =>
       undefined,
@@ -36,11 +36,11 @@ export default function everybody (): KeyringPair {
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     encodePkcs8: (passphrase?: string): Uint8Array =>
       new Uint8Array(0),
-    meta,
     isLocked: true,
     lock: (): void => {
       // no locking, it is always locked
     },
+    meta,
     publicKey,
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     setMeta: (meta: KeyringPair$Meta): void =>
@@ -51,6 +51,7 @@ export default function everybody (): KeyringPair {
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     toJson: (passphrase?: string): KeyringPair$Json =>
       json,
+    type: 'ed25519',
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     verify: (message: Uint8Array, signature: Uint8Array): boolean =>
       false

packages/keyring/src/pair/toJson.spec.ts

@@ -12,15 +12,15 @@ describe('toJson', (): void => {
       keyring.alice.toJson()
     ).toMatchObject({
       address: '5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaQua',
-      encoded: '0x3053020101300506032b657004220420416c696365202020202020202020202020202020202020202020202020202020d172a74cda4c865912c32ba0a80a57ae69abae410e5ccb59dee84e2f4432db4fa123032100d172a74cda4c865912c32ba0a80a57ae69abae410e5ccb59dee84e2f4432db4f',
+      encoded: 'MFMCAQEwBQYDK2VwBCIEIEFsaWNlICAgICAgICAgICAgICAgICAgICAgICAgICAg0XKnTNpMhlkSwyugqApXrmmrrkEOXMtZ3uhOL0Qy20+hIwMhANFyp0zaTIZZEsMroKgKV65pq65BDlzLWd7oTi9EMttP',
       encoding: {
         content: ['pkcs8', 'ed25519'],
-        type: 'none',
-        version: '2'
+        type: ['none'],
+        version: '3'
       },
       meta: {
-        name: 'alice',
-        isTesting: true
+        isTesting: true,
+        name: 'alice'
       }
     });
   });
@@ -28,13 +28,13 @@ describe('toJson', (): void => {
   it('creates an encoded output with passphrase', (): void => {
     const json = keyring.alice.toJson('testing');
 
-    expect(json.encoded).toHaveLength(316);
+    expect(json.encoded).toHaveLength(268);
     expect(json).toMatchObject({
       address: '5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaQua',
       encoding: {
         content: ['pkcs8', 'ed25519'],
-        type: 'xsalsa20-poly1305',
-        version: '2'
+        type: ['scrypt', 'xsalsa20-poly1305'],
+        version: '3'
       }
     });
   });

packages/keyring/src/pair/toJson.ts

@@ -3,25 +3,33 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 import { KeypairType } from '@polkadot/util-crypto/types';
-import { KeyringPair$Json, KeyringPair$Meta } from '../types';
+import { KeyringPair$Json, KeyringPair$JsonEncodingTypes, KeyringPair$Meta } from '../types';
 
-import { u8aToHex } from '@polkadot/util';
-import { encodeAddress } from '@polkadot/util-crypto';
+import { base64Encode } from '@polkadot/util-crypto';
 
-type PairStateJson = KeyringPair$Meta & {
-  publicKey: Uint8Array;
-};
+import { ENCODING } from './defaults';
 
-export default function toJson (type: KeypairType, { publicKey, meta }: PairStateJson, encoded: Uint8Array, isEncrypted: boolean): KeyringPair$Json {
+interface PairStateJson {
+  address: string;
+  meta: KeyringPair$Meta;
+}
+
+// version 2 - nonce, encoded (previous)
+// version 3 - salt, nonce, encoded
+const VERSION = '3';
+
+const ENC_NONE: KeyringPair$JsonEncodingTypes[] = ['none'];
+
+export default function toJson (type: KeypairType, { address, meta }: PairStateJson, encoded: Uint8Array, isEncrypted: boolean): KeyringPair$Json {
   return {
-    address: encodeAddress(publicKey),
-    encoded: u8aToHex(encoded),
+    address,
+    encoded: base64Encode(encoded),
     encoding: {
       content: ['pkcs8', type],
       type: isEncrypted
-        ? 'xsalsa20-poly1305'
-        : 'none',
-      version: '2'
+        ? ENCODING
+        : ENC_NONE,
+      version: VERSION
     },
     meta
   };

packages/keyring/src/pairs.ts

@@ -13,7 +13,7 @@ export default class Pairs implements KeyringPairs {
   readonly #map: KeyringPairMap = {};
 
   public add (pair: KeyringPair): KeyringPair {
-    this.#map[pair.publicKey.toString()] = pair;
+    this.#map[decodeAddress(pair.address).toString()] = pair;
 
     return pair;
   }

packages/keyring/src/testing.ts

@@ -23,44 +23,44 @@ interface PairDef {
 // adding the keys when only the keyring is used.
 export const PAIRS: PairDef[] = [
   {
-    seed: 'Alice',
+    publicKey: hexToU8a('0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d'),
     secretKey: hexToU8a('0x98319d4ff8a9508c4bb0cf0b5a78d760a0b2082c02775e6e82370816fedfff48925a225d97aa00682d6a59b95b18780c10d7032336e88f3442b42361f4a66011'),
-    publicKey: hexToU8a('0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d')
+    seed: 'Alice'
   },
   {
-    seed: 'Alice//stash',
+    publicKey: hexToU8a('0xbe5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f'),
     secretKey: hexToU8a('0xe8da6c9d810e020f5e3c7f5af2dea314cbeaa0d72bc6421e92c0808a0c584a6046ab28e97c3ffc77fe12b5a4d37e8cd4afbfebbf2391ffc7cb07c0f38c023efd'),
-    publicKey: hexToU8a('0xbe5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f')
+    seed: 'Alice//stash'
   },
   {
-    seed: 'Bob',
+    publicKey: hexToU8a('0x8eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48'),
     secretKey: hexToU8a('0x081ff694633e255136bdb456c20a5fc8fed21f8b964c11bb17ff534ce80ebd5941ae88f85d0c1bfc37be41c904e1dfc01de8c8067b0d6d5df25dd1ac0894a325'),
-    publicKey: hexToU8a('0x8eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48')
+    seed: 'Bob'
   },
   {
-    seed: 'Bob//stash',
+    publicKey: hexToU8a('0xfe65717dad0447d715f660a0a58411de509b42e6efb8375f562f58a554d5860e'),
     secretKey: hexToU8a('0xc006507cdfc267a21532394c49ca9b754ca71de21e15a1cdf807c7ceab6d0b6c3ed408d9d35311540dcd54931933e67cf1ea10d46f75408f82b789d9bd212fde'),
-    publicKey: hexToU8a('0xfe65717dad0447d715f660a0a58411de509b42e6efb8375f562f58a554d5860e')
+    seed: 'Bob//stash'
   },
   {
-    seed: 'Charlie',
+    publicKey: hexToU8a('0x90b5ab205c6974c9ea841be688864633dc9ca8a357843eeacf2314649965fe22'),
     secretKey: hexToU8a('0xa8f2d83016052e5d6d77b2f6fd5d59418922a09024cda701b3c34369ec43a7668faf12ff39cd4e5d92bb773972f41a7a5279ebc2ed92264bed8f47d344f8f18c'),
-    publicKey: hexToU8a('0x90b5ab205c6974c9ea841be688864633dc9ca8a357843eeacf2314649965fe22')
+    seed: 'Charlie'
   },
   {
-    seed: 'Dave',
+    publicKey: hexToU8a('0x306721211d5404bd9da88e0204360a1a9ab8b87c66c1bc2fcdd37f3c2222cc20'),
     secretKey: hexToU8a('0x20e05482ca4677e0edbc58ae9a3a59f6ed3b1a9484ba17e64d6fe8688b2b7b5d108c4487b9323b98b11fe36cb301b084e920f7b7895536809a6d62a451b25568'),
-    publicKey: hexToU8a('0x306721211d5404bd9da88e0204360a1a9ab8b87c66c1bc2fcdd37f3c2222cc20')
+    seed: 'Dave'
   },
   {
-    seed: 'Eve',
+    publicKey: hexToU8a('0xe659a7a1628cdd93febc04a4e0646ea20e9f5f0ce097d9a05290d4a9e054df4e'),
     secretKey: hexToU8a('0x683576abfd5dc35273e4264c23095a1bf21c14517bece57c7f0cc5c0ed4ce06a3dbf386b7828f348abe15d76973a72009e6ef86a5c91db2990cb36bb657c6587'),
-    publicKey: hexToU8a('0xe659a7a1628cdd93febc04a4e0646ea20e9f5f0ce097d9a05290d4a9e054df4e')
+    seed: 'Eve'
   },
   {
-    seed: 'Ferdie',
+    publicKey: hexToU8a('0x1cbd2d43530a44705ad088af313e18f80b53ef16b36177cd4b77b846f2a5f07c'),
     secretKey: hexToU8a('0xb835c20f450079cf4f513900ae9faf8df06ad86c681884122c752a4b2bf74d4303e4f21bc6cc62bb4eeed5a9cce642c25e2d2ac1464093b50f6196d78e3a7426'),
-    publicKey: hexToU8a('0x1cbd2d43530a44705ad088af313e18f80b53ef16b36177cd4b77b846f2a5f07c')
+    seed: 'Ferdie'
   }
 ];
 

packages/keyring/src/types.ts

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/class-name-casing */
 // Copyright 2017-2020 @polkadot/keyring authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
@@ -11,16 +10,15 @@ export interface KeyringOptions {
   type?: KeypairType;
 }
 
-export interface KeyringPair$Meta {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  [index: string]: any;
-}
+export type KeyringPair$Meta = Record<string, unknown>;
 
-export type KeyringPair$JsonVersion = '0' | '1' | '2';
+export type KeyringPair$JsonVersion = '0' | '1' | '2' | '3';
+
+export type KeyringPair$JsonEncodingTypes = 'none' | 'scrypt' | 'xsalsa20-poly1305';
 
 export interface KeyringPair$JsonEncoding {
   content: ['pkcs8', KeypairType];
-  type: 'xsalsa20-poly1305' | 'none';
+  type: KeyringPair$JsonEncodingTypes | KeyringPair$JsonEncodingTypes[];
   version: KeyringPair$JsonVersion;
 }
 
@@ -37,6 +35,7 @@ export interface SignOptions {
 
 export interface KeyringPair {
   readonly address: string;
+  readonly addressRaw: Uint8Array;
   readonly meta: KeyringPair$Meta;
   readonly isLocked: boolean;
   readonly publicKey: Uint8Array;

packages/util-crypto/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-crypto",
-  "version": "2.6.2",
+  "version": "3.4.1",
   "description": "A collection of useful crypto utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -25,25 +25,25 @@
   },
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util-crypto#readme",
   "dependencies": {
-    "@babel/runtime": "^7.8.7",
-    "@polkadot/util": "2.6.2",
-    "@polkadot/wasm-crypto": "^1.2.1",
+    "@babel/runtime": "^7.11.2",
+    "@polkadot/util": "3.4.1",
+    "@polkadot/wasm-crypto": "^1.4.1",
     "base-x": "^3.0.8",
     "bip39": "^3.0.2",
     "blakejs": "^1.1.0",
-    "bn.js": "^5.1.1",
-    "bs58": "^4.0.1",
-    "elliptic": "^6.5.2",
+    "bn.js": "^5.1.3",
+    "elliptic": "^6.5.3",
     "js-sha3": "^0.8.0",
-    "pbkdf2": "^3.0.17",
+    "pbkdf2": "^3.1.1",
+    "scryptsy": "^2.1.0",
     "tweetnacl": "^1.0.3",
     "xxhashjs": "^0.2.2"
   },
   "devDependencies": {
     "@types/bn.js": "^4.11.6",
-    "@types/bs58": "^4.0.1",
     "@types/elliptic": "^6.4.12",
-    "@types/pbkdf2": "^3.0.0",
-    "@types/xxhashjs": "^0.2.1"
+    "@types/pbkdf2": "^3.1.0",
+    "@types/scryptsy": "^2.0.0",
+    "@types/xxhashjs": "^0.2.2"
   }
 }

packages/util-crypto/src/address/check.spec.ts

@@ -17,6 +17,12 @@ describe('checkAddress', (): void => {
     ).toEqual([true, null]);
   });
 
+  it('fails when an invalid base58 character is supplied', (): void => {
+    expect(
+      checkAddress('5EnxIUmEbw8DkENKiYuZ1DwQuMoB2UWEQJZZXrTsxoz7SpgG', 2)
+    ).toEqual([false, 'Invalid base58 character "I" (0x49) at index 4']);
+  });
+
   it('fails with invalid prefix when checking Substrate against Kusama prefix', (): void => {
     expect(
       checkAddress('5EnxxUmEbw8DkENKiYuZ1DwQuMoB2UWEQJZZXrTsxoz7SpgG', 2)

packages/util-crypto/src/address/check.ts

@@ -4,13 +4,24 @@
 
 import { Prefix } from './types';
 
-import bs58 from 'bs58';
-
+import base58Decode from '../base58/decode';
 import checkChecksum from './checkChecksum';
 import defaults from './defaults';
 
+/**
+ * @name checkAddress
+ * @summary Validates an ss58 address.
+ * @description
+ * From the provided input, validate that the address is a valid input.
+ */
 export default function check (address: string, prefix: Prefix): [boolean, string | null] {
-  const decoded = bs58.decode(address);
+  let decoded;
+
+  try {
+    decoded = base58Decode(address);
+  } catch (error) {
+    return [false, (error as Error).message];
+  }
 
   if (decoded[0] !== prefix) {
     return [false, `Prefix mismatch, expected ${prefix}, found ${decoded[0]}`];

packages/util-crypto/src/address/checkChecksum.ts

@@ -5,7 +5,7 @@
 import sshash from './sshash';
 
 export default function checkChecksum (decoded: Uint8Array): [boolean, number] {
-  const isPublicKey = decoded.length === 35;
+  const isPublicKey = [35, 36].includes(decoded.length);
 
   // non-publicKeys has 1 byte checksums, else default to 2
   const length = decoded.length - (isPublicKey ? 2 : 1);

packages/util-crypto/src/address/decode.spec.ts

@@ -2,12 +2,12 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { stringToU8a, u8aToHex } from '@polkadot/util';
+import { stringToU8a, u8aToHex, hexToU8a } from '@polkadot/util';
 
 import testingPairs, { TestKeyringMap } from '../../../keyring/src/testingPairs';
 import decode from './decode';
 
-describe('decode', (): void => {
+describe('decodeAddress', (): void => {
   let keyring: TestKeyringMap;
 
   beforeAll((): void => {
@@ -74,6 +74,14 @@ describe('decode', (): void => {
     ).toEqual(new Uint8Array([42, 44, 10, 0, 0, 0, 0, 0]));
   });
 
+  it('decodes a 33-byte address', (): void => {
+    expect(
+      decode('KWCv1L3QX9LDPwY4VzvLmarEmXjVJidUzZcinvVnmxAJJCBou')
+    ).toEqual(
+      hexToU8a('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077')
+    );
+  });
+
   it.skip('allows invalid prefix (in list)', (): void => {
     expect(
       (): Uint8Array => decode('6GfvWUvHvU8otbZ7sFhXH4eYeMcKdUkL61P3nFy52efEPVUx')
@@ -94,4 +102,10 @@ describe('decode', (): void => {
       (): Uint8Array => decode('5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDwU')
     ).toThrow(/address checksum/);
   });
+
+  it('fails when invalid base58 encoded address is found', (): void => {
+    expect(
+      () => u8aToHex(decode('F3opIRbN5ZbjJNU511Kj2TLuzFcDq9BGduA9TgiECafpg29'))
+    ).toThrow(/Decoding F3opIRbN5ZbjJNU511Kj2TLuzFcDq9BGduA9TgiECafpg29: Invalid base58 character "I" \(0x49\) at index 4/);
+  });
 });

packages/util-crypto/src/address/decode.ts

@@ -6,9 +6,9 @@ import { Prefix } from './types';
 
 // Original implementation: https://github.com/paritytech/polka-ui/blob/4858c094684769080f5811f32b081dd7780b0880/src/polkadot.js#L6
 
-import bs58 from 'bs58';
-import { assert, bufferToU8a, isHex, isU8a, u8aToU8a } from '@polkadot/util';
+import { assert, isHex, isU8a, u8aToU8a } from '@polkadot/util';
 
+import base58Decode from '../base58/decode';
 import checkChecksum from './checkChecksum';
 import defaults from './defaults';
 
@@ -18,12 +18,17 @@ export default function decode (encoded: string | Uint8Array, ignoreChecksum?: b
     return u8aToU8a(encoded);
   }
 
-  const decoded = bufferToU8a(bs58.decode(encoded));
-  const error = (message: string): string =>
-    `Decoding ${encoded}: ${message}`;
+  const wrapError = (message: string) => `Decoding ${encoded as string}: ${message}`;
+  let decoded;
+
+  try {
+    decoded = base58Decode(encoded);
+  } catch (error) {
+    throw new Error(wrapError((error as Error).message));
+  }
 
   // assert(defaults.allowedPrefix.includes(decoded[0] as Prefix), error('Invalid decoded address prefix'));
-  assert(defaults.allowedEncodedLengths.includes(decoded.length), error('Invalid decoded address length'));
+  assert(defaults.allowedEncodedLengths.includes(decoded.length), wrapError('Invalid decoded address length'));
 
   // TODO Unless it is an "use everywhere" prefix, throw an error
   // if (decoded[0] !== prefix) {
@@ -32,7 +37,7 @@ export default function decode (encoded: string | Uint8Array, ignoreChecksum?: b
 
   const [isValid, endPos] = checkChecksum(decoded);
 
-  assert(ignoreChecksum || isValid, error('Invalid decoded address checksum'));
+  assert(ignoreChecksum || isValid, wrapError('Invalid decoded address checksum'));
 
   return decoded.slice(1, endPos);
 }

packages/util-crypto/src/address/defaults.ts

@@ -5,9 +5,9 @@
 import { allowedSS58 } from './ss58';
 
 const defaults = {
-  allowedDecodedLengths: [1, 2, 4, 8, 32],
+  allowedDecodedLengths: [1, 2, 4, 8, 32, 33],
   // publicKey has prefix + 2 checksum bytes, short only prefix + 1 checksum byte
-  allowedEncodedLengths: [3, 4, 6, 10, 35],
+  allowedEncodedLengths: [3, 4, 6, 10, 35, 36],
   allowedPrefix: allowedSS58,
   prefix: 42
 };

packages/util-crypto/src/address/derive.spec.ts

@@ -0,0 +1,25 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { waitReady } from '@polkadot/wasm-crypto';
+
+import derive from './derive';
+
+describe('deriveAddress', (): void => {
+  beforeEach(async (): Promise<void> => {
+    await waitReady();
+  });
+
+  it('derives a known path', (): void => {
+    expect(
+      derive('5CZtJLXtVzrBJq1fMWfywDa6XuRwXekGdShPR4b8i9GWSbzB', '/joe/polkadot/0')
+    ).toEqual('5GZ4srnepXvdsuNVoxCGyVZd8ScDm4gkGLTKuaGARy9akjTa');
+  });
+
+  it('fails on hard paths', (): void => {
+    expect(
+      () => derive('5CZtJLXtVzrBJq1fMWfywDa6XuRwXekGdShPR4b8i9GWSbzB', '//bob')
+    ).toThrow(/Expected suri to contain a combination of non-hard paths/);
+  });
+});

packages/util-crypto/src/address/derive.ts

@@ -0,0 +1,29 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { Prefix } from './types';
+
+import { assert } from '@polkadot/util';
+
+import DeriveJunction from '../key/DeriveJunction';
+import { keyExtractPath } from '../key';
+import { schnorrkelDerivePublic } from '../schnorrkel';
+import decode from './decode';
+import encode from './encode';
+
+/**
+ * @name deriveAddress
+ * @summary Creates a sr25519 derived address from the supplied and path.
+ * @description
+ * Creates a sr25519 derived address based on the input address/publicKey and the uri supplied.
+ */
+export default function deriveAddress (who: Uint8Array | string, suri: string, ss58Format?: Prefix): string {
+  const { path } = keyExtractPath(suri);
+
+  assert(path.length && !path.some((path) => path.isHard), 'Expected suri to contain a combination of non-hard paths');
+
+  return encode(path.reduce((publicKey: Uint8Array, path: DeriveJunction): Uint8Array => {
+    return schnorrkelDerivePublic(publicKey, path.chainCode);
+  }, decode(who)), ss58Format);
+}

packages/util-crypto/src/address/encode.spec.ts

@@ -2,7 +2,8 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import testingPairs from '../../../keyring/src/testingPairs';
+import testingPairs from '@polkadot/keyring/testingPairs';
+
 import encode from './encode';
 
 const keyring = testingPairs({ type: 'ed25519' }, false);
@@ -20,6 +21,12 @@ describe('encode', (): void => {
     ).toEqual('7sL6eNJj5ZGV5cn3hhV2deRUsivXfBfMH76wCALCqWj1EKzv');
   });
 
+  it('can re-encode an address to Polkadot live', (): void => {
+    expect(
+      encode('5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY', 0)
+    ).toEqual('15oF4uVJwmo4TdGW7VfQxNLavjCXviqxT9S1MgbjMNHr6Sp5');
+  });
+
   it('fails when non-valid publicKey provided', (): void => {
     expect(
       (): string => encode(
@@ -60,11 +67,17 @@ describe('encode', (): void => {
     ).toEqual('as7QnGMf');
   });
 
-  it('enodes a 8-byte address', (): void => {
+  it('encodes a 8-byte address', (): void => {
     expect(
       encode(
         new Uint8Array([42, 44, 10, 0, 0, 0, 0, 0]), 68
       )
     ).toEqual('4q7qY5RBG7Z4wv');
   });
+
+  it('encodes an 33-byte address', (): void => {
+    expect(
+      encode('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077')
+    ).toEqual('KWCv1L3QX9LDPwY4VzvLmarEmXjVJidUzZcinvVnmxAJJCBou');
+  });
 });

packages/util-crypto/src/address/encode.ts

@@ -6,9 +6,9 @@ import { Prefix } from './types';
 
 // Original implementation: https://github.com/paritytech/polka-ui/blob/4858c094684769080f5811f32b081dd7780b0880/src/polkadot.js#L34
 
-import bs58 from 'bs58';
-import { assert, u8aConcat, u8aToBuffer } from '@polkadot/util';
+import { assert, u8aConcat } from '@polkadot/util';
 
+import base58Encode from '../base58/encode';
 import decode from './decode';
 import defaults from './defaults';
 import sshash from './sshash';
@@ -17,16 +17,13 @@ export default function encode (_key: Uint8Array | string, ss58Format: Prefix =
   // decode it, this means we can re-encode an address
   const key = decode(_key);
 
-  assert(defaults.allowedDecodedLengths.includes(key.length), `Expected a valid key to convert, with length ${defaults.allowedDecodedLengths}`);
-
-  const isPublicKey = key.length === 32;
+  assert(defaults.allowedDecodedLengths.includes(key.length), `Expected a valid key to convert, with length ${defaults.allowedDecodedLengths.join(', ')}`);
 
+  const isPublicKey = [32, 33].includes(key.length);
   const input = u8aConcat(new Uint8Array([ss58Format]), key);
   const hash = sshash(input);
 
-  return bs58.encode(
-    u8aToBuffer(
-      u8aConcat(input, hash.subarray(0, isPublicKey ? 2 : 1))
-    )
+  return base58Encode(
+    u8aConcat(input, hash.subarray(0, isPublicKey ? 2 : 1))
   );
 }

packages/util-crypto/src/address/encodeDerived.spec.ts

@@ -0,0 +1,13 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import encodeDerivedAddress from './encodeDerived';
+
+describe('encodeDerivedAddress', (): void => {
+  it('creates a valid known derived address', (): void => {
+    expect(
+      encodeDerivedAddress('5GvUh7fGKsdBEh5XpypkfkGuf7j3vXLxH9BdxjxnJNVXRYi1', 0)
+    ).toEqual('5E5XxqPxm7QbEs6twYfp3tyjXidn4kqRrNPH4o6JK9JSLUeD');
+  });
+});

packages/util-crypto/src/address/encodeDerived.ts

@@ -0,0 +1,21 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { Prefix } from './types';
+
+import BN from 'bn.js';
+
+import decode from './decode';
+import encode from './encode';
+import keyDerived from './keyDerived';
+
+/**
+ * @name encodeDerivedAddress
+ * @summary Creates a derived address as used in Substrate utility.
+ * @description
+ * Creates a Substrate derived address based on the input address/publicKey and the index supplied.
+ */
+export default function encodeDerivedAddress (who: Uint8Array | string, index: BigInt | BN | number, ss58Format?: Prefix): string {
+  return encode(keyDerived(decode(who), index), ss58Format);
+}

packages/util-crypto/src/address/encodeMulti.spec.ts

@@ -0,0 +1,17 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import encodeMultiAddress from './encodeMulti';
+
+describe('encodeMultiAddress', (): void => {
+  it('creates a valid known multi address', (): void => {
+    expect(
+      encodeMultiAddress([
+        '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY',
+        '5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty',
+        '5FLSigC9HGRKVhB9FiEo4Y3koPsNmBmLJbpXg2mp1hXcS59Y'
+      ], 2)
+    ).toEqual('5DjYJStmdZ2rcqXbXGX7TW85JsrW6uG4y9MUcLq2BoPMpRA7');
+  });
+});

packages/util-crypto/src/address/encodeMulti.ts

@@ -0,0 +1,20 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { Prefix } from './types';
+
+import BN from 'bn.js';
+
+import encode from './encode';
+import keyMulti from './keyMulti';
+
+/**
+ * @name encodeMultiAddress
+ * @summary Creates a multisig address.
+ * @description
+ * Creates a Substrate multisig address based on the input address and the required threshold.
+ */
+export default function encodeMultiAddress (who: (Uint8Array | string)[], threshold: BigInt | BN | number, ss58Format?: Prefix): string {
+  return encode(keyMulti(who, threshold), ss58Format);
+}

packages/util-crypto/src/address/eq.spec.ts

@@ -0,0 +1,46 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import testingPairs from '@polkadot/keyring/testingPairs';
+import { addressEq } from '.';
+
+describe('addressEq', (): void => {
+  it('returns false with non-equal', (): void => {
+    expect(
+      addressEq(
+        '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY',
+        '5EnxxUmEbw8DkENKiYuZ1DwQuMoB2UWEQJZZXrTsxoz7SpgG'
+      )
+    ).toEqual(false);
+  });
+
+  it('returns true for equal, matching prefix', (): void => {
+    expect(
+      addressEq(
+        '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY',
+        '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY'
+      )
+    ).toEqual(true);
+  });
+
+  it('returns true for equal, non-matching prefix', (): void => {
+    expect(
+      addressEq(
+        '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY',
+        '7sL6eNJj5ZGV5cn3hhV2deRUsivXfBfMH76wCALCqWj1EKzv'
+      )
+    ).toEqual(true);
+  });
+
+  it('returns true for equal, address vs publicKey', (): void => {
+    const keyring = testingPairs({ type: 'sr25519' });
+
+    expect(
+      addressEq(
+        '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY',
+        keyring.alice.publicKey
+      )
+    ).toEqual(true);
+  });
+});

packages/util-crypto/src/address/eq.ts

@@ -0,0 +1,25 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { u8aEq } from '@polkadot/util';
+
+import decode from './decode';
+
+/**
+ * @name addressEq
+ * @summary Compares two addresses, either in ss58, Uint8Array or hex format.
+ * @description
+ * For the input values, return true is the underlying public keys do match.
+ * @example
+ * <BR>
+ *
+ * ```javascript
+ * import { u8aEq } from '@polkadot/util';
+ *
+ * u8aEq(new Uint8Array([0x68, 0x65]), new Uint8Array([0x68, 0x65])); // true
+ * ```
+ */
+export default function addressEq (a: string | Uint8Array, b: string | Uint8Array): boolean {
+  return u8aEq(decode(a), decode(b));
+}

packages/util-crypto/src/address/index.ts

@@ -4,14 +4,28 @@
 
 import checkAddress from './check';
 import checkAddressChecksum from './checkChecksum';
+import createKeyMulti from './keyMulti';
+import createKeyDerived from './keyDerived';
 import decodeAddress from './decode';
+import deriveAddress from './derive';
 import encodeAddress from './encode';
+import encodeDerivedAddress from './encodeDerived';
+import encodeMultiAddress from './encodeMulti';
+import addressEq from './eq';
 import setSS58Format from './setSS58Format';
+import sortAddresses from './sort';
 
 export {
+  addressEq,
   checkAddress,
   checkAddressChecksum,
+  createKeyDerived,
+  createKeyMulti,
   decodeAddress,
+  deriveAddress,
   encodeAddress,
-  setSS58Format
+  encodeDerivedAddress,
+  encodeMultiAddress,
+  setSS58Format,
+  sortAddresses
 };

packages/util-crypto/src/address/keyDerived.spec.ts

@@ -0,0 +1,23 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import createKeyDerived from './keyDerived';
+
+describe('createKeyDerived', (): void => {
+  it('matches sub accounts with Rust', (): void => {
+    expect(
+      createKeyDerived(new Uint8Array([1, 0, 0, 0, 0, 0, 0, 0]), 0)
+    ).toEqual(
+      new Uint8Array([234, 236, 28, 96, 177, 168, 152, 193, 71, 179, 226, 102, 179, 155, 188, 240, 90, 182, 21, 175, 47, 47, 250, 179, 178, 0, 81, 222, 70, 56, 52, 234])
+    );
+  });
+
+  it('creates a valid subkey', (): void => {
+    expect(
+      createKeyDerived('5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY', 1)
+    ).toEqual(
+      new Uint8Array([248, 19, 86, 209, 254, 89, 84, 48, 54, 128, 166, 239, 153, 212, 143, 34, 191, 60, 210, 50, 39, 77, 122, 71, 29, 60, 247, 198, 95, 101, 246, 83])
+    );
+  });
+});

packages/util-crypto/src/address/keyDerived.ts

@@ -0,0 +1,21 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import BN from 'bn.js';
+import { bnToU8a, stringToU8a, u8aConcat } from '@polkadot/util';
+
+import blake2AsU8a from '../blake2/asU8a';
+import decodeAddress from './decode';
+
+const PREFIX = stringToU8a('modlpy/utilisuba');
+
+export default function createKeyDerived (who: Uint8Array | string, index: BigInt | BN | number): Uint8Array {
+  return blake2AsU8a(
+    u8aConcat(
+      PREFIX,
+      decodeAddress(who),
+      bnToU8a(index, { bitLength: 16, isLe: true })
+    )
+  );
+}

packages/util-crypto/src/address/keyMulti.spec.ts

@@ -0,0 +1,19 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { createKeyMulti } from '.';
+
+describe('createKeyMulti', (): void => {
+  it('creates a valid multikey (aligning with Rust, needs sorting)', (): void => {
+    expect(
+      createKeyMulti([
+        new Uint8Array([1, 0, 0, 0, 0, 0, 0, 0]),
+        new Uint8Array([3, 0, 0, 0, 0, 0, 0, 0]),
+        new Uint8Array([2, 0, 0, 0, 0, 0, 0, 0])
+      ], 2)
+    ).toEqual(
+      new Uint8Array([67, 151, 196, 155, 179, 207, 47, 123, 90, 2, 35, 54, 162, 111, 241, 226, 88, 148, 54, 193, 252, 195, 93, 101, 16, 5, 93, 101, 186, 186, 254, 79])
+    );
+  });
+});

packages/util-crypto/src/address/keyMulti.ts

@@ -0,0 +1,22 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import BN from 'bn.js';
+import { bnToU8a, compactToU8a, stringToU8a, u8aConcat, u8aSorted } from '@polkadot/util';
+
+import blake2AsU8a from '../blake2/asU8a';
+import decodeAddress from './decode';
+
+const PREFIX = stringToU8a('modlpy/utilisuba');
+
+export default function createKeyMulti (who: (Uint8Array | string)[], threshold: BigInt | BN | number): Uint8Array {
+  return blake2AsU8a(
+    u8aConcat(
+      PREFIX,
+      compactToU8a(who.length),
+      ...u8aSorted(who.map((who) => decodeAddress(who))),
+      bnToU8a(threshold, { bitLength: 16, isLe: true })
+    )
+  );
+}

packages/util-crypto/src/address/sort.spec.ts

@@ -0,0 +1,21 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { sortAddresses } from '.';
+
+describe('sortAddresses', (): void => {
+  it('sorts addresses by the publicKeys', (): void => {
+    expect(
+      sortAddresses([
+        '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY',
+        '5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty',
+        '5FLSigC9HGRKVhB9FiEo4Y3koPsNmBmLJbpXg2mp1hXcS59Y'
+      ])
+    ).toEqual([
+      '5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty',
+      '5FLSigC9HGRKVhB9FiEo4Y3koPsNmBmLJbpXg2mp1hXcS59Y',
+      '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY'
+    ]);
+  });
+});

packages/util-crypto/src/address/sort.ts

@@ -0,0 +1,16 @@
+// Copyright 2017-2020 @polkadot/util authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { Prefix } from './types';
+
+import { u8aSorted } from '@polkadot/util';
+
+import decodeAddress from './decode';
+import encodeAddress from './encode';
+
+export default function sortAddresses (addresses: (Uint8Array | string)[], ss58Format?: Prefix): string[] {
+  return u8aSorted(
+    addresses.map((who) => decodeAddress(who))
+  ).map((u8a) => encodeAddress(u8a, ss58Format));
+}

packages/util-crypto/src/address/ss58.ts

@@ -7,6 +7,10 @@ export const allowedSS58 = [
   0, 1,
   // Kusama
   2, 3,
+  // Katal Chain
+  4,
+  // Kulupu
+  16, 17,
   // Dothereum
   20,
   // Substrate default

packages/util-crypto/src/base32/bs32.ts

@@ -0,0 +1,12 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+// https://github.com/multiformats/js-multibase/blob/master/src/constants.js
+const BASE32_ALPHABET = 'abcdefghijklmnopqrstuvwxyz234567';
+const BITS_PER_CHAR = 5;
+
+export {
+  BASE32_ALPHABET,
+  BITS_PER_CHAR
+};

packages/util-crypto/src/base32/decode.spec.ts

@@ -0,0 +1,25 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { u8aToString } from '@polkadot/util';
+
+import { base32Decode } from './';
+
+describe('base32Decode', (): void => {
+  it('decodes a base32', (): void => {
+    expect(
+      u8aToString(
+        base32Decode('irswgzloorzgc3djpjssazlwmvzhs5dinfxgoijb')
+      )
+    ).toEqual('Decentralize everything!!');
+  });
+
+  it('decodes a base32 (ipfsCompat)', (): void => {
+    expect(
+      u8aToString(
+        base32Decode('birswgzloorzgc3djpjssazlwmvzhs5dinfxgoijb', true)
+      )
+    ).toEqual('Decentralize everything!!');
+  });
+});

packages/util-crypto/src/base32/decode.ts

@@ -0,0 +1,54 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+// adapted from https://github.com/multiformats/js-multibase/blob/424709195b46ffb1d6f2f69a7707598ebe751e5e/src/rfc4648.js
+
+import { assert } from '@polkadot/util';
+
+import { BASE32_ALPHABET, BITS_PER_CHAR } from './bs32';
+import validate from './validate';
+
+// Build the character lookup table:
+const LOOKUP = BASE32_ALPHABET
+  .split('')
+  .reduce((lookup: Record<string, number>, char: string, index: number): Record<string, number> => {
+    lookup[char] = index;
+
+    return lookup;
+  }, {});
+
+/**
+ * @name base32Decode
+ * @summary Delookup a base32 value.
+ * @description
+ * From the provided input, decode the base32 and return the result as an `Uint8Array`.
+ */
+export default function base32Decode (value: string, ipfsCompat = false): Uint8Array {
+  if (ipfsCompat) {
+    assert(value[0] === 'b', "Expected IPFS base32 identifier 'b' at string start");
+
+    value = value.substr(1);
+  }
+
+  validate(value);
+
+  const out = new Uint8Array((value.length * BITS_PER_CHAR / 8) | 0);
+  let bits = 0;
+  let buffer = 0;
+  let written = 0;
+
+  for (let i = 0; i < value.length; ++i) {
+    buffer = (buffer << BITS_PER_CHAR) | LOOKUP[value[i]];
+    bits += BITS_PER_CHAR;
+
+    if (bits >= 8) {
+      bits -= 8;
+      out[written++] = 0xff & (buffer >> bits);
+    }
+  }
+
+  assert(!(bits >= BITS_PER_CHAR || 0xff & (buffer << (8 - bits))), 'Unexpected end of data');
+
+  return out;
+}

packages/util-crypto/src/base32/encode.spec.ts

@@ -0,0 +1,23 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { base58Decode } from '../base58';
+import { base32Encode } from './';
+
+describe('base32Encode', (): void => {
+  it('encodes to a base32', (): void => {
+    expect(
+      base32Encode('Decentralize everything!!')
+    ).toEqual('irswgzloorzgc3djpjssazlwmvzhs5dinfxgoijb');
+  });
+
+  it('encodes a base58 to a base32', (): void => {
+    expect(
+      base32Encode(
+        base58Decode('zb2rhk6GMPQF3hfzwXTaNYFLKomMeC6UXdUt6jZKPpeVirLtV', true),
+        true
+      )
+    ).toEqual('bafkreigh2akiscaildcqabsyg3dfr6chu3fgpregiymsck7e7aqa4s52zy');
+  });
+});

packages/util-crypto/src/base32/encode.ts

@@ -0,0 +1,42 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+// adapted from https://github.com/multiformats/js-multibase/blob/424709195b46ffb1d6f2f69a7707598ebe751e5e/src/rfc4648.js
+
+import { u8aToU8a } from '@polkadot/util';
+
+import { BASE32_ALPHABET, BITS_PER_CHAR } from './bs32';
+
+const MASK = (1 << BITS_PER_CHAR) - 1;
+
+/**
+ * @name base32Encode
+ * @summary Creates a base32 value.
+ * @description
+ * From the provided input, create the base32 and return the result as a string.
+ */
+export default function base32Encode (value: Uint8Array | string | Buffer | number[], ipfsCompat = false): string {
+  const u8a = u8aToU8a(value);
+  let out = '';
+  let bits = 0;
+  let buffer = 0;
+
+  for (let i = 0; i < u8a.length; ++i) {
+    buffer = (buffer << 8) | u8a[i];
+    bits += 8;
+
+    while (bits > BITS_PER_CHAR) {
+      bits -= BITS_PER_CHAR;
+      out += BASE32_ALPHABET[MASK & (buffer >> bits)];
+    }
+  }
+
+  if (bits) {
+    out += BASE32_ALPHABET[MASK & (buffer << (BITS_PER_CHAR - bits))];
+  }
+
+  return ipfsCompat
+    ? `b${out}`
+    : out;
+}

packages/util-crypto/src/base32/index.ts

@@ -0,0 +1,11 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+/**
+ * @summary Encode and decode base32 values
+ */
+
+export { default as base32Decode } from './decode';
+export { default as base32Encode } from './encode';
+export { default as base32Validate } from './validate';

packages/util-crypto/src/base32/validate.ts

@@ -0,0 +1,16 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { validateChars } from '../base58/validate';
+import { BASE32_ALPHABET } from './bs32';
+
+/**
+ * @name base32Validate
+ * @summary Validates a base32 value.
+ * @description
+ * Validates the the supplied value is valid base32
+ */
+export default function base32Validate (value: string): true {
+  return validateChars('base32', BASE32_ALPHABET, value);
+}

packages/util-crypto/src/base58/bs58.ts

@@ -0,0 +1,15 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import baseX from 'base-x';
+
+// https://github.com/cryptocoinjs/base-x#alphabets
+const BASE58_ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';
+
+const bs58 = baseX(BASE58_ALPHABET);
+
+export {
+  BASE58_ALPHABET,
+  bs58
+};

packages/util-crypto/src/base58/decode.ts

@@ -0,0 +1,26 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { assert, bufferToU8a } from '@polkadot/util';
+
+import { bs58 } from './bs58';
+import validate from './validate';
+
+/**
+ * @name base58Decode
+ * @summary Decodes a base58 value.
+ * @description
+ * From the provided input, decode the base58 and return the result as an `Uint8Array`.
+ */
+export default function base58Decode (value: string, ipfsCompat = false): Uint8Array {
+  if (ipfsCompat) {
+    assert(value[0] === 'z', "Expected IPFS base32 identifier 'z' at string start");
+
+    value = value.substr(1);
+  }
+
+  validate(value);
+
+  return bufferToU8a(bs58.decode(value));
+}

packages/util-crypto/src/base58/encode.spec.ts

@@ -0,0 +1,17 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { base32Decode } from '../base32';
+import { base58Encode } from './';
+
+describe('base58Encode', (): void => {
+  it('encodes a base32 to a base38', (): void => {
+    expect(
+      base58Encode(
+        base32Decode('bafkreigh2akiscaildcqabsyg3dfr6chu3fgpregiymsck7e7aqa4s52zy', true),
+        true
+      )
+    ).toEqual('zb2rhk6GMPQF3hfzwXTaNYFLKomMeC6UXdUt6jZKPpeVirLtV');
+  });
+});

packages/util-crypto/src/base58/encode.ts

@@ -0,0 +1,23 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { u8aToBuffer, u8aToU8a } from '@polkadot/util';
+
+import { bs58 } from './bs58';
+
+/**
+ * @name base58Encode
+ * @summary Creates a base58 value.
+ * @description
+ * From the provided input, create the base58 and return the result as a string.
+ */
+export default function base58Encode (value: Uint8Array | string | Buffer | number[], ipfsCompat = false): string {
+  const out = bs58.encode(
+    u8aToBuffer(u8aToU8a(value))
+  );
+
+  return ipfsCompat
+    ? `z${out}`
+    : out;
+}

packages/util-crypto/src/base58/index.ts

@@ -0,0 +1,11 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+/**
+ * @summary Encode and decode base58 values
+ */
+
+export { default as base58Decode } from './decode';
+export { default as base58Encode } from './encode';
+export { default as base58Validate } from './validate';

packages/util-crypto/src/base58/validate.ts

@@ -0,0 +1,25 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { BASE58_ALPHABET } from './bs58';
+
+export function validateChars (type: string, alphabet: string, value: string): true {
+  for (let i = 0; i < value.length; i++) {
+    if (!alphabet.includes(value[i])) {
+      throw new TypeError(`Invalid ${type} character "${value[i]}" (0x${value.charCodeAt(i).toString(16)}) at index ${i}`);
+    }
+  }
+
+  return true;
+}
+
+/**
+ * @name base58Validate
+ * @summary Validates a base58 value.
+ * @description
+ * Validates the the supplied value is valid base58
+ */
+export default function base58Validate (value: string): true {
+  return validateChars('base58', BASE58_ALPHABET, value);
+}

packages/util-crypto/src/base64/decode.spec.ts

@@ -0,0 +1,17 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { stringToU8a } from '@polkadot/util';
+
+import { base64Decode } from '.';
+
+describe('base64Decode', (): void => {
+  it('decodes a mixed base64 utf8 string', (): void => {
+    expect(
+      base64Decode('aGVsbG8gd29ybGQg0J/RgNC40LLQtdGC0YHRgtCy0YPRjiDQvNC4IOS9oOWlvQ==')
+    ).toEqual(
+      stringToU8a('hello world Приветствую ми 你好')
+    );
+  });
+});

packages/util-crypto/src/base64/decode.ts

@@ -0,0 +1,19 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { bufferToU8a } from '@polkadot/util';
+
+import validate from './validate';
+
+/**
+ * @name base64Decode
+ * @summary Decodes a base64 value.
+ * @description
+ * From the provided input, decode the base64 and return the result as an `Uint8Array`.
+ */
+export default function base64Decode (value: string): Uint8Array {
+  validate(value);
+
+  return bufferToU8a(Buffer.from(value, 'base64'));
+}

packages/util-crypto/src/base64/encode.spec.ts

@@ -0,0 +1,13 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { base64Encode } from '.';
+
+describe('base64Encode', (): void => {
+  it('encodes a mixed base64 utf8 string', (): void => {
+    expect(
+      base64Encode('hello world Приветствую ми 你好')
+    ).toEqual('aGVsbG8gd29ybGQg0J/RgNC40LLQtdGC0YHRgtCy0YPRjiDQvNC4IOS9oOWlvQ==');
+  });
+});

packages/util-crypto/src/base64/encode.ts

@@ -0,0 +1,15 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { u8aToBuffer, u8aToU8a } from '@polkadot/util';
+
+/**
+ * @name base64Encode
+ * @summary Creates a base64 value.
+ * @description
+ * From the provided input, create the base64 and return the result as a string.
+ */
+export default function base58Encode (value: Uint8Array | string | Buffer | number[]): string {
+  return u8aToBuffer(u8aToU8a(value)).toString('base64');
+}

packages/util-crypto/src/base64/index.ts

@@ -0,0 +1,11 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+/**
+ * @summary Encode and decode base64 values
+ */
+
+export { default as base64Decode } from './decode';
+export { default as base64Encode } from './encode';
+export { default as base64Validate } from './validate';

packages/util-crypto/src/base64/validate.spec.ts

@@ -0,0 +1,13 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { base64Validate } from '.';
+
+describe('base64Validate', (): void => {
+  it('decodes a mixed base64 utf8 string', (): void => {
+    expect(
+      () => base64Validate('aGVsbG8gd29ybGQg0J/RgNC40LLQtd^GC0YHRgtCy0YPRjiDQvNC4IOS9oOWlvQ==')
+    ).toThrow(/Invalid base64 encoding/);
+  });
+});

packages/util-crypto/src/base64/validate.ts

@@ -0,0 +1,17 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+/**
+ * @name base64Validate
+ * @summary Validates a base64 value.
+ * @description
+ * Validates the the supplied value is valid base64
+ */
+export default function base64Validate (value: string): true {
+  if (!(/^(?:[A-Za-z0-9+/]{2}[A-Za-z0-9+/]{2})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/.test(value))) {
+    throw new TypeError('Invalid base64 encoding');
+  }
+
+  return true;
+}

packages/util-crypto/src/blake2/asU8a.spec.ts

@@ -43,4 +43,18 @@ describe('blake2AsU8a', (): void => {
       hexToU8a('0xba80a53f981c4d0d6a2797b69f12f6e94c212f14685ac4b74b12bb6fdbffa2d17d87c5392aab792dc252d5de4533cc9518d38aa8dbf1925ab92386edd4009923')
     );
   });
+
+  it('has equivalent Wasm/Js outputs on hex inputs', (): void => {
+    const a = blake2AsU8a('0x123456', 256, null, false);
+    const b = blake2AsU8a('0x123456', 256, null, true);
+
+    expect(a).toEqual(b);
+  });
+
+  it('has equivalent Wasm/Js outputs with key inputs', (): void => {
+    const a = blake2AsU8a('0x123456', 256, new Uint8Array([1, 2]), false);
+    const b = blake2AsU8a('0x123456', 256, new Uint8Array([1, 2]), true);
+
+    expect(a).toEqual(b);
+  });
 });

packages/util-crypto/src/blake2/asU8a.ts

@@ -20,10 +20,10 @@ import { blake2b, isReady } from '@polkadot/wasm-crypto';
  * blake2AsU8a('abc'); // => [0xba, 0x80, 0xa53, 0xf98, 0x1c, 0x4d, 0x0d]
  * ```
  */
-export default function blake2AsU8a (data: Uint8Array | string, bitLength = 256, key: Uint8Array | null = null): Uint8Array {
+export default function blake2AsU8a (data: Uint8Array | string, bitLength = 256, key: Uint8Array | null = null, onlyJs = false): Uint8Array {
   const byteLength = Math.ceil(bitLength / 8);
 
-  return isReady()
+  return isReady() && !onlyJs
     ? blake2b(u8aToU8a(data), u8aToU8a(key), byteLength)
-    : blakejs.blake2b(data, key, byteLength);
+    : blakejs.blake2b(u8aToU8a(data), key, byteLength);
 }

packages/util-crypto/src/ethereum/encode.spec.ts

@@ -0,0 +1,58 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { keccakAsU8a } from '../keccak';
+import { ethereumEncode } from './';
+
+describe('formatAddress', () => {
+  describe('address to address encoding', (): void => {
+    const ADDRESS = '0x00a329c0648769A73afAc7F9381E08FB43dBEA72';
+
+    it('returns 0x for no address', () => {
+      expect(ethereumEncode()).toBe('0x');
+    });
+
+    it('returns fails on invalid address', () => {
+      expect(
+        () => ethereumEncode('0xnotaddress')
+      ).toThrow(/Invalid address or publicKey passed/);
+    });
+
+    it('converts lowercase to the checksummed address', () => {
+      expect(ethereumEncode(ADDRESS.toLowerCase())).toBe(ADDRESS);
+    });
+
+    it('converts uppercase to the checksummed address', () => {
+      expect(ethereumEncode(ADDRESS.toUpperCase().replace('0X', '0x'))).toBe(ADDRESS);
+    });
+
+    it('returns formatted address on checksum input', () => {
+      expect(ethereumEncode(ADDRESS)).toBe(ADDRESS);
+    });
+  });
+
+  describe('from publicKey', (): void => {
+    const ADDRESS = '0x4119b2e6c3Cb618F4f0B93ac77f9BeeC7FF02887';
+
+    it('encodes a compressed publicKey', (): void => {
+      expect(
+        ethereumEncode('0x03b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb13077')
+      ).toEqual(ADDRESS);
+    });
+
+    it('encodes an expanded publicKey', (): void => {
+      expect(
+        ethereumEncode('0x04b9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb1307763fe926c273235fd979a134076d00fd1683cbd35868cb485d4a3a640e52184af')
+      ).toEqual(ADDRESS);
+    });
+
+    it('encodes a pre-hashed key', (): void => {
+      expect(
+        ethereumEncode(
+          keccakAsU8a('0xb9dc646dd71118e5f7fda681ad9eca36eb3ee96f344f582fbe7b5bcdebb1307763fe926c273235fd979a134076d00fd1683cbd35868cb485d4a3a640e52184af')
+        )
+      ).toEqual(ADDRESS);
+    });
+  });
+});

packages/util-crypto/src/ethereum/encode.ts

@@ -0,0 +1,36 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { assert, u8aToHex, u8aToU8a } from '@polkadot/util';
+
+import { keccakAsU8a } from '../keccak';
+import { secp256k1Expand } from '../secp256k1';
+
+function getH160 (u8a: Uint8Array): Uint8Array {
+  if ([33, 65].includes(u8a.length)) {
+    u8a = keccakAsU8a(secp256k1Expand(u8a));
+  }
+
+  return u8a.slice(-20);
+}
+
+export default function ethereumEncode (addressOrPublic?: string | Uint8Array): string {
+  if (!addressOrPublic) {
+    return '0x';
+  }
+
+  const u8aAddress = u8aToU8a(addressOrPublic);
+
+  assert([20, 32, 33, 65].includes(u8aAddress.length), 'Invalid address or publicKey passed');
+
+  const address = u8aToHex(getH160(u8aAddress), -1, false);
+  const hash = u8aToHex(keccakAsU8a(address), -1, false);
+  let result = '';
+
+  for (let index = 0; index < 40; index++) {
+    result = `${result}${parseInt(hash[index], 16) > 7 ? address[index].toUpperCase() : address[index]}`;
+  }
+
+  return `0x${result}`;
+}

packages/util-crypto/src/ethereum/index.ts

@@ -0,0 +1,7 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+export { default as ethereumEncode } from './encode';
+export { default as isEthereumAddress } from './isAddress';
+export { default as isEthereumChecksum } from './isChecksum';

packages/util-crypto/src/ethereum/isAddress.spec.ts

@@ -0,0 +1,33 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { isEthereumAddress } from './';
+
+const ADDRESS = '0x00a329c0648769A73afAc7F9381E08FB43dBEA72';
+
+describe('isEthereumAddress', () => {
+  it('returns true when fully lowercase', () => {
+    expect(isEthereumAddress(ADDRESS.toLowerCase())).toBe(true);
+  });
+
+  it('returns true when fully uppercase', () => {
+    expect(isEthereumAddress(ADDRESS.toUpperCase().replace('0X', '0x'))).toBe(true);
+  });
+
+  it('returns true when checksummed', () => {
+    expect(isEthereumAddress(ADDRESS)).toBe(true);
+  });
+
+  it('returns false when empty address', () => {
+    expect(isEthereumAddress()).toBe(false);
+  });
+
+  it('returns false when invalid address', () => {
+    expect(isEthereumAddress('0xinvalid')).toBe(false);
+  });
+
+  it('returns false when invalid address of correct length', () => {
+    expect(isEthereumAddress('0xinvalid000123456789012345678901234567890')).toBe(false);
+  });
+});

packages/util-crypto/src/ethereum/isAddress.ts

@@ -0,0 +1,19 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { isHex } from '@polkadot/util';
+
+import isEthereumChecksum from './isChecksum';
+
+export default function isEthereumAddress (address?: string): boolean {
+  if (!address || address.length !== 42 || !isHex(address)) {
+    return false;
+  }
+
+  if (/^(0x)?[0-9a-f]{40}$/.test(address) || /^(0x)?[0-9A-F]{40}$/.test(address)) {
+    return true;
+  }
+
+  return isEthereumChecksum(address);
+}

packages/util-crypto/src/ethereum/isChecksum.ts

@@ -0,0 +1,23 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { u8aToHex } from '@polkadot/util';
+
+import { keccakAsU8a } from '../keccak';
+
+export default function isEthereumChecksum (_address: string): boolean {
+  const address = _address.replace('0x', '');
+  const hash = u8aToHex(keccakAsU8a(address.toLowerCase()), -1, false);
+
+  for (let index = 0; index < 40; index++) {
+    const char = address[index];
+    const hashval = parseInt(hash[index], 16);
+
+    if ((hashval > 7 && char !== char.toUpperCase()) || (hashval <= 7 && char !== char.toLowerCase())) {
+      return false;
+    }
+  }
+
+  return true;
+}

packages/util-crypto/src/ethereum/isCheksum.spec.ts

@@ -0,0 +1,29 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { isEthereumChecksum } from './';
+
+const ADDRESS = '0x00a329c0648769A73afAc7F9381E08FB43dBEA72';
+
+describe('isEthereumChecksum', () => {
+  it('returns false on invalid address', () => {
+    expect(isEthereumChecksum('0xinvalid')).toBe(false);
+  });
+
+  it('returns false on non-checksum address', () => {
+    expect(isEthereumChecksum('0x1234567890abcdeedcba1234567890abcdeedcba')).toBe(false);
+  });
+
+  it('returns false when fully lowercase', () => {
+    expect(isEthereumChecksum(ADDRESS.toLowerCase())).toBe(false);
+  });
+
+  it('returns false when fully uppercase', () => {
+    expect(isEthereumChecksum(ADDRESS.toUpperCase().replace('0X', '0x'))).toBe(false);
+  });
+
+  it('returns true on a checksummed address', () => {
+    expect(isEthereumChecksum(ADDRESS)).toBe(true);
+  });
+});

packages/util-crypto/src/index.ts

@@ -10,13 +10,19 @@ export * from './init';
 
 // all internal exports
 export * from './address';
+export * from './base32';
+export * from './base58';
+export * from './base64';
 export * from './blake2';
+export * from './ethereum';
 export * from './keccak';
 export * from './key';
 export * from './mnemonic';
 export * from './nacl';
+export * from './pbkdf2';
 export * from './random';
 export * from './schnorrkel';
+export * from './scrypt';
 export * from './secp256k1';
 export * from './sha512';
 export * from './signature';

packages/util-crypto/src/keccak/asU8a.ts

@@ -24,6 +24,6 @@ export default function keccakAsU8a (value: Buffer | Uint8Array | string): Uint8
   return isReady()
     ? keccak256(u8aToU8a(value))
     : new Uint8Array(
-      jssha3.keccak256.update(value).arrayBuffer()
+      jssha3.keccak256.update(u8aToU8a(value)).arrayBuffer()
     );
 }

packages/util-crypto/src/key/DeriveJunction.ts

@@ -2,8 +2,9 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import BN from 'bn.js';
-import { bnToHex, compactAddLength, hexToU8a, isBn, isHex, isNumber, isString, stringToU8a } from '@polkadot/util';
+import type BN from 'bn.js';
+
+import { bnToHex, compactAddLength, hexToU8a, isBigInt, isBn, isHex, isNumber, isString, stringToU8a } from '@polkadot/util';
 
 import blake2AsU8a from '../blake2/asU8a';
 
@@ -21,10 +22,10 @@ export default class DeriveJunction {
   #isHard = false;
 
   public static from (value: string): DeriveJunction {
+    const result = new DeriveJunction();
     const [code, isHard] = value.startsWith('/')
       ? [value.substr(1), true]
       : [value, false];
-    const result = new DeriveJunction();
 
     result.soft(
       RE_NUMBER.test(code)
@@ -49,7 +50,7 @@ export default class DeriveJunction {
     return !this.#isHard;
   }
 
-  public hard (value: number | BN | string | Uint8Array): DeriveJunction {
+  public hard (value: number | string | BigInt | BN | Uint8Array): DeriveJunction {
     return this.soft(value).harden();
   }
 
@@ -59,8 +60,8 @@ export default class DeriveJunction {
     return this;
   }
 
-  public soft (value: number | BN | string | Uint8Array): DeriveJunction {
-    if (isNumber(value) || isBn(value)) {
+  public soft (value: number | string | BigInt | BN | Uint8Array): DeriveJunction {
+    if (isNumber(value) || isBn(value) || isBigInt(value)) {
       return this.soft(bnToHex(value, BN_OPTIONS));
     } else if (isString(value)) {
       return isHex(value)

packages/util-crypto/src/key/extractPath.ts

@@ -13,7 +13,7 @@ export interface ExtractResult {
 }
 
 /**
- * @description Extract derivation juntions from the supplied path
+ * @description Extract derivation junctions from the supplied path
  */
 export default function keyExtractPath (derivePath: string): ExtractResult {
   const parts = derivePath.match(RE_JUNCTION);

packages/util-crypto/src/key/extractSuri.spec.ts

@@ -8,7 +8,7 @@ describe('keyExtractSuri', (): void => {
   it('does not extract from invalid suri', (): void => {
     expect(
       (): ExtractResult => keyExtractSuri('//2')
-    ).toThrow(/to a secret URI/);
+    ).toThrow('Unable to match provided value to a secret URI');
   });
 
   it('derives on "hello world"', (): void => {

packages/util-crypto/src/key/extractSuri.ts

@@ -22,7 +22,7 @@ export default function keyExtract (suri: string): ExtractResult {
   // eslint-disable-next-line @typescript-eslint/prefer-regexp-exec
   const matches = suri.match(RE_CAPTURE);
 
-  assert(!isNull(matches), `Unable to match '${suri}' to a secret URI`);
+  assert(!isNull(matches), 'Unable to match provided value to a secret URI');
 
   const [, phrase, , derivePath, , , password] = matches as string[];
   const { path } = keyExtractPath(derivePath);

packages/util-crypto/src/key/fromPath.ts

@@ -7,13 +7,20 @@ import { KeypairType, Keypair } from '../types';
 import DeriveJunction from './DeriveJunction';
 import keyHdkdEd15519 from './hdkdEd25519';
 import keyHdkdSr15519 from './hdkdSr25519';
+import keyHdkdEcdsa from './hdkdEcdsa';
+
+const generators = {
+  ecdsa: keyHdkdEcdsa,
+  ed25519: keyHdkdEd15519,
+  // FIXME This is Substrate-compatible, not Ethereum-compatible
+  ethereum: keyHdkdEcdsa,
+  sr25519: keyHdkdSr15519
+};
 
 export default function keyFromPath (pair: Keypair, path: DeriveJunction[], type: KeypairType): Keypair {
-  const isEd25519 = type === 'ed25519';
+  const keyHdkd = generators[type];
 
   return path.reduce((pair, junction): Keypair => {
-    return isEd25519
-      ? keyHdkdEd15519(pair, junction)
-      : keyHdkdSr15519(pair, junction);
+    return keyHdkd(pair, junction);
   }, pair);
 }

packages/util-crypto/src/key/hdkdEcdsa.ts

@@ -0,0 +1,19 @@
+// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { Keypair } from '../types';
+
+import { assert } from '@polkadot/util';
+
+import secp256k1DeriveHard from '../secp256k1/deriveHard';
+import secp256k1KeypairFromSeed from '../secp256k1/keypair/fromSeed';
+import DeriveJunction from './DeriveJunction';
+
+export default function keyHdkdEcdsa (keypair: Keypair, { chainCode, isHard }: DeriveJunction): Keypair {
+  assert(isHard, 'A soft key was found in the path (and is unsupported)');
+
+  return secp256k1KeypairFromSeed(
+    secp256k1DeriveHard(keypair.secretKey.subarray(0, 32), chainCode)
+  );
+}