[CI Skip] release/stable 9.7.1

skip-checks: true
9.7.1 (#1572 )
2022-07-01 14:45:17 +00:00 · 2022-07-01 17:40:21 +03:00 · 2022-06-30 11:38:33 +00:00 · 2022-06-30 14:35:05 +03:00 · 2022-06-28 07:56:25 +00:00 · 2022-06-28 10:52:57 +03:00
176 changed files with 3386 additions and 2105 deletions
@@ -0,0 +1 @@
+9.7.1
@@ -27,4 +27,5 @@
 8.1.2
 8.2.2
 8.3.2
-8.3.3
+8.3.3
+9.6.2
@@ -0,0 +1,50 @@
+<!--
+
+For general support, howto, coding and bundling questions, please use the Substrate & Polkadot StackExchange at https://substrate.stackexchange.com/ and get other ecosystem developers involved. This issues in this repository are meant for the tracking of feature requests and bug reports.
+
+While all issues are looked at non-bug and non-features would take quite a bit longer to get to and may yield less than satisfactory responses in this format.
+
+Additionally, please ensure you have done a search on the existing and closed issues before logging a new request. This saves time on all sides.
+
+-->
+
+
+* **I'm submitting a ...**
+
+<!--- Try and classify your actual report -->
+
+  - [ ] Bug report
+  - [ ] Feature request
+  - [ ] Support request (please bear the comments above in mind)
+  - [ ] Other
+
+
+* **What is the current behavior and expected behavior?**
+
+<!--- If you're describing a bug, tell us what should happen -->
+<!--- If you're suggesting a change/improvement, tell us how it should work -->
+
+
+* **What is the motivation for changing the behavior?**
+
+<!--- Not obligatory, but suggest a motivation for the request -->
+<!--- or ideas how to implement the addition or change -->
+
+
+* **Please tell us about your environment:**
+
+<!--- Include as many relevant details about the environment you experienced the issue in -->
+<!--- Also snsure that you have tested against the latest stable releases if a bug -->
+
+  - Version:
+  - Environment:
+
+    - [ ] Node.js
+    - [ ] Browser
+    - [ ] Other (limited support for other environments available)
+
+  - Language:
+
+    - [ ] JavaScript
+    - [ ] TypeScript
+    - [ ] Other
@@ -3,6 +3,7 @@ _book/
 build/
 build-cjs/
 build-esm/
+build-deno/
 build-docs/
 coverage/
 docs/.vuepress/dist/
@@ -1,5 +1,57 @@
 # CHANGELOG

+## 9.7.1 Jul 1, 2022
+
+Changes:
+
+- Update signatures where `readonly` arrays are used
+- Upgrade dependencies to latest stable versions
+- Upgrade to `@polkadot/wasm-crypto` 6.2.1
+
+
+## 9.6.2 Jun 25, 2022
+
+Changes:
+
+- Fix `hexToU8a` where `0x` is not correctly converted
+
+
+## 9.6.1 Jun 23, 2022
+
+Changes:
+
+- Add `floatToU8a` and `u8aToFloat` (both 32 & 64-bit, le & be)
+- Adjust `isUndefined` check (local variable available)
+- Adjust use of `assert`, `isUndefined` & `isNull`
+
+
+## 9.5.1 Jun 18, 2022
+
+Contributed:
+
+- Update Bifrost genesisHash (Thanks to https://github.com/awesomepan)
+- Add Ledger support for Composable (Thanks to https://github.com/carlosala)
+
+Changes:
+
+- Add `u8aToNumber` (limited, <= 48 bits) function
+- Use `~~` as bitwise/faster `Math.floor` replacement
+- Remove unneeded `objectSpread` option expansions
+- Optimize `hexToU8a` operations
+- Optimize `stringCamelCase` operations
+- Optimize `u8aToBn` operations
+- Additional internal/external comments (as missing)
+- Upgrade dependencies to latest stable versions
+
+
+## 9.4.1 Jun 4, 2022
+
+Changes:
+
+- Add `nextTick` to `@polkadot/util` to defer execution to the queue
+- Upgrade dependencies to latest stable versions
+
+
 ## 9.3.1 May 29, 2022

 Contributed:
@@ -1,11 +1,12 @@
-    1332	Jaco                          	9.3.1 (#1507)
+    1391	Jaco                          	9.7.1 (#1572)
       9	Antoine Estienne              	Add eth uri keyring test (#1291)
       6	Amaury Martiny                	Add tests from Rust (#283)
       5	kwingram25                    	Add BN consts and timeToString (#610)
       4	Adam Dossa                    	Update Polymesh Genesis Hash (#1193)
+       4	Carlo Sala                    	add Composable support for ledger (#1515)
       4	Jakub Pánik                   	Add basilisk 🐍 (#1396)
-       3	Carlo Sala                    	some changes to KnownLedger (#1497)
       3	Luke Schoen                   	docs: Fix example in readme since we use default imports (#243)
+       3	pan                           	update bifrost genesis hash (#1521)
       2	AndreasGassmann               	feat(dependencies): remove moment.js (#530)
       2	Gav Wood                      	Fix stake:unstake (#182)
       2	Hyungsuk Kang                 	Add cross client Encryption/Decryption (#496)
@@ -13,7 +14,6 @@
       2	Kami                          	Adding Westend genesis. (#1429)
       2	Lovesh Harchandani            	Update genesis hash of Dock mainnet (#1436)
       2	Nantian                       	fix bigint type (#1079)
-       2	pan                           	add bifrost (#1296)
       2	Stefanie Doll                 	Add missing dependencies to util-crypto (#424)
       1	Agustinus Theodorus           	docs: fix typo in naclSeal docs. (#1005)
       1	Alexander Krupenkin           	Added ECDSA keypair support (#589)
@@ -10,7 +10,7 @@
    "url": "https://github.com/polkadot-js/common.git"
  },
  "sideEffects": false,
-  "version": "9.3.1",
+  "version": "9.7.1",
  "workspaces": [
    "packages/*"
  ],
@@ -27,11 +27,11 @@
    "test:one": "polkadot-dev-run-test --runInBand"
  },
  "devDependencies": {
-    "@babel/core": "^7.18.2",
-    "@polkadot/dev": "^0.66.30",
-    "@types/jest": "^27.5.1"
+    "@babel/core": "^7.18.6",
+    "@polkadot/dev": "^0.67.46",
+    "@types/jest": "^28.1.4"
  },
  "resolutions": {
-    "typescript": "^4.6.4"
+    "typescript": "^4.7.4"
  }
 }
@@ -16,16 +16,16 @@
  },
  "sideEffects": false,
  "type": "module",
-  "version": "9.3.1",
+  "version": "9.7.1",
  "browser": "browser.js",
  "main": "node.js",
  "react-native": "react-native.js",
  "dependencies": {
-    "@babel/runtime": "^7.18.3",
+    "@babel/runtime": "^7.18.6",
    "@ledgerhq/hw-transport": "^6.27.1",
    "@ledgerhq/hw-transport-webhid": "^6.27.1",
    "@ledgerhq/hw-transport-webusb": "^6.27.1",
-    "@polkadot/util": "9.3.1"
+    "@polkadot/util": "9.7.1"
  },
  "optionalDependencies": {
    "@ledgerhq/hw-transport-node-hid-singleton": "^6.27.1"
@@ -0,0 +1,8 @@
+// Copyright 2017-2022 @polkadot/hw-ledger authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { TransportDef } from './types';
+
+export { packageInfo } from './packageInfo';
+
+export const transports: TransportDef[] = [];
@@ -0,0 +1,4 @@
+// Copyright 2017-2022 @polkadot/hw-ledger authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export * from './empty';
@@ -3,4 +3,4 @@

 // Do not edit, auto-generated by @polkadot/dev

-export const packageInfo = { name: '@polkadot/hw-ledger-transports', path: 'auto', type: 'auto', version: '9.3.1' };
+export const packageInfo = { name: '@polkadot/hw-ledger-transports', path: 'auto', type: 'auto', version: '9.7.1' };
@@ -1,8 +1,4 @@
 // Copyright 2017-2022 @polkadot/hw-ledger authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import type { TransportDef } from './types';
-
-export { packageInfo } from './packageInfo';
-
-export const transports: TransportDef[] = [];
+export * from './empty';
@@ -19,13 +19,13 @@
    "./detectPackage.cjs"
  ],
  "type": "module",
-  "version": "9.3.1",
+  "version": "9.7.1",
  "main": "index.js",
  "dependencies": {
-    "@babel/runtime": "^7.18.3",
+    "@babel/runtime": "^7.18.6",
    "@ledgerhq/hw-transport": "^6.27.1",
-    "@polkadot/hw-ledger-transports": "9.3.1",
-    "@polkadot/util": "9.3.1",
-    "@zondax/ledger-substrate": "^0.29.0"
+    "@polkadot/hw-ledger-transports": "9.7.1",
+    "@polkadot/util": "9.7.1",
+    "@zondax/ledger-substrate": "^0.31.0"
  }
 }
@@ -5,7 +5,7 @@ import type { ResponseBase, SubstrateApp } from '@zondax/ledger-substrate';
 import type { AccountOptions, LedgerAddress, LedgerSignature, LedgerTypes, LedgerVersion } from './types';

 import { transports } from '@polkadot/hw-ledger-transports';
-import { assert, u8aToBuffer } from '@polkadot/util';
+import { u8aToBuffer } from '@polkadot/util';

 import { LEDGER_DEFAULT_ACCOUNT, LEDGER_DEFAULT_CHANGE, LEDGER_DEFAULT_INDEX, LEDGER_SUCCESS_CODE } from './constants';
 import { ledgerApps } from './defaults';
@@ -26,8 +26,11 @@ export class Ledger {

  constructor (transport: LedgerTypes, chain: Chain) {
    // u2f is deprecated
-    assert(['hid', 'webusb'].includes(transport), () => `Unsupported transport ${transport}`);
-    assert(Object.keys(ledgerApps).includes(chain), () => `Unsupported chain ${chain}`);
+    if (!['hid', 'webusb'].includes(transport)) {
+      throw new Error(`Unsupported transport ${transport}`);
+    } else if (!Object.keys(ledgerApps).includes(chain)) {
+      throw new Error(`Unsupported chain ${chain}`);
+    }

    this.#chain = chain;
    this.#transport = transport;
@@ -71,7 +74,9 @@ export class Ledger {
    if (!this.#app) {
      const def = transports.find(({ type }) => type === this.#transport);

-      assert(def, () => `Unable to find a transport for ${this.#transport}`);
+      if (!def) {
+        throw new Error(`Unable to find a transport for ${this.#transport}`);
+      }

      const transport = await def.create();

@@ -96,7 +101,9 @@ export class Ledger {
  #wrapError = async <T extends ResponseBase> (promise: Promise<T>): Promise<T> => {
    const result = await promise;

-    assert(result.return_code === LEDGER_SUCCESS_CODE, () => result.error_message);
+    if (result.return_code !== LEDGER_SUCCESS_CODE) {
+      throw new Error(result.error_message);
+    }

    return result;
  };
@@ -4,7 +4,7 @@
 import type Transport from '@ledgerhq/hw-transport';
 import type { SubstrateApp } from '@zondax/ledger-substrate';

-import { newAcalaApp, newAstarApp, newBifrostApp, newCentrifugeApp, newDockApp, newEdgewareApp, newEquilibriumApp, newGenshiroApp, newKaruraApp, newKusamaApp, newNodleApp, newParallelApp, newPolkadexApp, newPolkadotApp, newPolymeshApp, newSoraApp, newStatemineApp, newStatemintApp, newXXNetworkApp } from '@zondax/ledger-substrate';
+import { newAcalaApp, newAstarApp, newBifrostApp, newCentrifugeApp, newComposableApp, newDockApp, newEdgewareApp, newEquilibriumApp, newGenshiroApp, newKaruraApp, newKusamaApp, newNodleApp, newParallelApp, newPolkadexApp, newPolkadotApp, newPolymeshApp, newSoraApp, newStatemineApp, newStatemintApp, newXXNetworkApp } from '@zondax/ledger-substrate';

 // These match up with the keys of the knownLedger object in the @polkadot/networks/defaults/ledger.ts
 export const ledgerApps: Record<string, (transport: Transport) => SubstrateApp> = {
@@ -12,6 +12,7 @@ export const ledgerApps: Record<string, (transport: Transport) => SubstrateApp>
  astar: newAstarApp,
  bifrost: newBifrostApp,
  centrifuge: newCentrifugeApp,
+  composable: newComposableApp,
  'dock-mainnet': newDockApp,
  edgeware: newEdgewareApp,
  equilibrium: newEquilibriumApp,
@@ -0,0 +1,4 @@
+// Copyright 2017-2022 @polkadot/hw-ledger authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export * from './index';
@@ -3,4 +3,4 @@

 // Do not edit, auto-generated by @polkadot/dev

-export const packageInfo = { name: '@polkadot/hw-ledger', path: 'auto', type: 'auto', version: '9.3.1' };
+export const packageInfo = { name: '@polkadot/hw-ledger', path: 'auto', type: 'auto', version: '9.7.1' };
@@ -20,15 +20,15 @@
    "./detectPackage.cjs"
  ],
  "type": "module",
-  "version": "9.3.1",
+  "version": "9.7.1",
  "main": "index.js",
  "dependencies": {
-    "@babel/runtime": "^7.18.3",
-    "@polkadot/util": "9.3.1",
-    "@polkadot/util-crypto": "9.3.1"
+    "@babel/runtime": "^7.18.6",
+    "@polkadot/util": "9.7.1",
+    "@polkadot/util-crypto": "9.7.1"
  },
  "peerDependencies": {
-    "@polkadot/util": "9.3.1",
-    "@polkadot/util-crypto": "9.3.1"
+    "@polkadot/util": "9.7.1",
+    "@polkadot/util-crypto": "9.7.1"
  }
 }
@@ -4,7 +4,7 @@
 import type { EncryptedJsonEncoding, Keypair, KeypairType } from '@polkadot/util-crypto/types';
 import type { KeyringInstance, KeyringOptions, KeyringPair, KeyringPair$Json, KeyringPair$Meta } from './types';

-import { assert, hexToU8a, isHex, isUndefined, stringToU8a } from '@polkadot/util';
+import { hexToU8a, isHex, stringToU8a } from '@polkadot/util';
 import { base64Decode, decodeAddress, ed25519PairFromSeed as ed25519FromSeed, encodeAddress, ethereumEncode, hdEthereum, keyExtractSuri, keyFromPath, mnemonicToLegacySeed, mnemonicToMiniSecret, secp256k1PairFromSeed as secp256k1FromSeed, sr25519PairFromSeed as sr25519FromSeed } from '@polkadot/util-crypto';

 import { DEV_PHRASE } from './defaults';
@@ -50,7 +50,9 @@ export class Keyring implements KeyringInstance {
  constructor (options: KeyringOptions = {}) {
    options.type = options.type || 'ed25519';

-    assert(['ecdsa', 'ethereum', 'ed25519', 'sr25519'].includes(options.type || 'undefined'), () => `Expected a keyring type of either 'ed25519', 'sr25519', 'ethereum' or 'ecdsa', found '${options.type || 'unknown'}`);
+    if (!['ecdsa', 'ethereum', 'ed25519', 'sr25519'].includes(options.type || 'undefined')) {
+      throw new Error(`Expected a keyring type of either 'ed25519', 'sr25519', 'ethereum' or 'ecdsa', found '${options.type || 'unknown'}`);
+    }

    this.#pairs = new Pairs();
    this.#ss58 = options.ss58Format;
@@ -162,7 +164,9 @@ export class Keyring implements KeyringInstance {
   * @description Creates a pair from a JSON keyfile
   */
  public createFromJson ({ address, encoded, encoding: { content, type, version }, meta }: KeyringPair$Json, ignoreChecksum?: boolean): KeyringPair {
-    assert(version !== '3' || content[0] === 'pkcs8', () => `Unable to decode non-pkcs8 type, [${content.join(',')}] found}`);
+    if (version === '3' && content[0] !== 'pkcs8') {
+      throw new Error(`Unable to decode non-pkcs8 type, [${content.join(',')}] found}`);
+    }

    const cryptoType = version === '0' || !Array.isArray(content)
      ? this.type
@@ -171,7 +175,9 @@ export class Keyring implements KeyringInstance {
      ? [type]
      : type;

-    assert(['ed25519', 'sr25519', 'ecdsa', 'ethereum'].includes(cryptoType), () => `Unknown crypto type ${cryptoType}`);
+    if (!['ed25519', 'sr25519', 'ecdsa', 'ethereum'].includes(cryptoType)) {
+      throw new Error(`Unknown crypto type ${cryptoType}`);
+    }

    // Here the address and publicKey are 32 bytes and isomorphic. This is why the address field needs to be the public key for ethereum type pairs
    const publicKey = isHex(address)
@@ -216,7 +222,9 @@ export class Keyring implements KeyringInstance {
          ? mnemonicToLegacySeed(phrase, '', false, 64)
          : mnemonicToMiniSecret(phrase, password);
      } else {
-        assert(phrase.length <= 32, 'specified phrase is not a valid mnemonic and is invalid as a raw seed at > 32 bytes');
+        if (phrase.length > 32) {
+          throw new Error('specified phrase is not a valid mnemonic and is invalid as a raw seed at > 32 bytes');
+        }

        seed = stringToU8a(phrase.padEnd(32));
      }
@@ -238,7 +246,7 @@ export class Keyring implements KeyringInstance {
  public encodeAddress = (address: Uint8Array | string, ss58Format?: number): string => {
    return this.type === 'ethereum'
      ? ethereumEncode(address)
-      : encodeAddress(address, isUndefined(ss58Format) ? this.#ss58 : ss58Format);
+      : encodeAddress(address, ss58Format === undefined ? this.#ss58 : ss58Format);
  };

  /**
@@ -0,0 +1,4 @@
+// Copyright 2017-2022 @polkadot/keyring authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export * from './index';
@@ -3,4 +3,4 @@

 // Do not edit, auto-generated by @polkadot/dev

-export const packageInfo = { name: '@polkadot/keyring', path: 'auto', type: 'auto', version: '9.3.1' };
+export const packageInfo = { name: '@polkadot/keyring', path: 'auto', type: 'auto', version: '9.7.1' };
@@ -4,7 +4,7 @@
 import type { EncryptedJsonEncoding } from '@polkadot/util-crypto/types';
 import type { PairInfo } from './types';

-import { assert, isUndefined, u8aEq } from '@polkadot/util';
+import { assert, u8aEq } from '@polkadot/util';
 import { jsonDecryptData } from '@polkadot/util-crypto';

 import { PKCS8_DIVIDER, PKCS8_HEADER, PUB_LENGTH, SEC_LENGTH, SEED_LENGTH } from './defaults';
@@ -16,7 +16,7 @@ type DecodeResult = PairInfo & {
 };

 export function decodePair (passphrase?: string, encrypted?: Uint8Array | null, _encType?: EncryptedJsonEncoding | EncryptedJsonEncoding[]): DecodeResult {
-  const encType = Array.isArray(_encType) || isUndefined(_encType)
+  const encType = Array.isArray(_encType) || _encType === undefined
    ? _encType
    : [_encType];
  const decrypted = jsonDecryptData(encrypted, passphrase, encType);
@@ -4,7 +4,7 @@
 import type { HexString } from '@polkadot/util/types';
 import type { KeyringPair, KeyringPairs } from './types';

-import { assert, isHex, isU8a, u8aToHex, u8aToU8a } from '@polkadot/util';
+import { isHex, isU8a, u8aToHex, u8aToU8a } from '@polkadot/util';
 import { decodeAddress } from '@polkadot/util-crypto';

 type KeyringPairMap = Record<string, KeyringPair>;
@@ -25,11 +25,13 @@ export class Pairs implements KeyringPairs {
  public get (address: HexString | string | Uint8Array): KeyringPair {
    const pair = this.#map[decodeAddress(address).toString()];

-    assert(pair, () => `Unable to retrieve keypair '${
-      isU8a(address) || isHex(address)
-        ? u8aToHex(u8aToU8a(address))
-        : address
-    }'`);
+    if (!pair) {
+      throw new Error(`Unable to retrieve keypair '${
+        isU8a(address) || isHex(address)
+          ? u8aToHex(u8aToU8a(address))
+          : address
+      }'`);
+    }

    return pair;
  }
@@ -3,7 +3,7 @@

 import type { KeyringInstance, KeyringOptions } from './types';

-import { assert, hexToU8a } from '@polkadot/util';
+import { hexToU8a } from '@polkadot/util';
 import { KeypairType } from '@polkadot/util-crypto/types';

 import { Keyring } from './keyring';
@@ -112,7 +112,9 @@ export const PAIRSETHEREUM: PairDef[] = [
 ];

 function createMeta (name?: string, seed?: string) {
-  assert(name || seed, 'Testing pair should have either a name or a seed');
+  if (!name && !seed) {
+    throw new Error('Testing pair should have either a name or a seed');
+  }

  return {
    isTesting: true,
@@ -17,15 +17,15 @@
  },
  "sideEffects": false,
  "type": "module",
-  "version": "9.3.1",
+  "version": "9.7.1",
  "main": "index.js",
  "dependencies": {
-    "@babel/runtime": "^7.18.3",
-    "@polkadot/util": "9.3.1",
-    "@substrate/ss58-registry": "^1.20.0"
+    "@babel/runtime": "^7.18.6",
+    "@polkadot/util": "9.7.1",
+    "@substrate/ss58-registry": "^1.23.0"
  },
  "devDependencies": {
-    "@polkadot/hw-ledger": "9.3.1",
-    "@polkadot/x-fetch": "9.3.1"
+    "@polkadot/hw-ledger": "9.7.1",
+    "@polkadot/x-fetch": "9.7.1"
  }
 }
@@ -18,11 +18,15 @@ export const knownGenesis: KnownGenesis = {
    '0xa85cfb9b9fd4d622a5b28289a02347af987d8f73fa3108450e2b4a11c1ce5755'
  ],
  bifrost: [
-    '0x9f28c6a68e0fc9646eff64935684f6eeeece527e37bbe1f213d22caa1d9d6bed'
+    '0x262e1b2ad728475fd6fe88e62d34c200abe6fd693931ddad144059b1eb884e5b'
  ],
  centrifuge: [
+    '0xb3db41421702df9a7fcac62b53ffeac85f7853cc4e689e0b93aeb3db18c09d82',
    '0x67dddf2673b69e5f875f6f25277495834398eafd67f492e09f3f3345e003d1b5'
  ],
+  composable: [
+    '0xdaab8df776eb52ec604a5df5d388bb62a050a0aaec4556a64265b9d42755552d'
+  ],
  'dock-mainnet': [
    '0x6bfe24dca2a3be10f22212678ac13a6446ec764103c0f3471c71609eac384aae',
    '0xf73467c6544aa68df2ee546b135f955c46b90fa627e9b5d7935f41061bb8a5a9'
@@ -12,6 +12,7 @@ export const knownLedger: KnownLedger = {
  astar: 0x0000032a,
  bifrost: 0x00000314,
  centrifuge: 0x000002eb,
+  composable: 0x00000162,
  'dock-mainnet': 0x00000252,
  edgeware: 0x0000020b,
  equilibrium: 0x05f5e0fd,
@@ -0,0 +1,4 @@
+// Copyright 2017-2022 @polkadot/networks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export * from './index';
@@ -3,4 +3,4 @@

 // Do not edit, auto-generated by @polkadot/dev

-export const packageInfo = { name: '@polkadot/networks', path: 'auto', type: 'auto', version: '9.3.1' };
+export const packageInfo = { name: '@polkadot/networks', path: 'auto', type: 'auto', version: '9.7.1' };
@@ -438,7 +438,7 @@
      "NODL"
    ],
    "decimals": [
-      18
+      11
    ],
    "standardAccount": "*25519",
    "website": "https://nodle.io/"
@@ -633,6 +633,19 @@
    "standardAccount": "*25519",
    "website": "https://dico.io"
  },
+  {
+    "prefix": 54,
+    "network": "cere",
+    "displayName": "Cere Network",
+    "symbols": [
+      "CERE"
+    ],
+    "decimals": [
+      10
+    ],
+    "standardAccount": "*25519",
+    "website": "https://cere.network"
+  },
  {
    "prefix": 55,
    "network": "xxnetwork",
@@ -646,6 +659,32 @@
    "standardAccount": "*25519",
    "website": "https://xx.network"
  },
+  {
+    "prefix": 56,
+    "network": "pendulum",
+    "displayName": "Pendulum chain",
+    "symbols": [
+      "PEN"
+    ],
+    "decimals": [
+      12
+    ],
+    "standardAccount": "*25519",
+    "website": "https://pendulumchain.org/"
+  },
+  {
+    "prefix": 57,
+    "network": "amplitude",
+    "displayName": "Amplitude chain",
+    "symbols": [
+      "AMPE"
+    ],
+    "decimals": [
+      12
+    ],
+    "standardAccount": "*25519",
+    "website": "https://pendulumchain.org/"
+  },
  {
    "prefix": 63,
    "network": "hydradx",
@@ -1023,6 +1062,32 @@
    "standardAccount": "Sr25519",
    "website": "https://efinity.io/"
  },
+  {
+    "prefix": 1221,
+    "network": "peaq",
+    "displayName": "Peaq Network",
+    "symbols": [
+      "PEAQ"
+    ],
+    "decimals": [
+      18
+    ],
+    "standardAccount": "Sr25519",
+    "website": "https://www.peaq.network/"
+  },
+  {
+    "prefix": 1222,
+    "network": "apex",
+    "displayName": "Apex Network",
+    "symbols": [
+      "APEX"
+    ],
+    "decimals": [
+      18
+    ],
+    "standardAccount": "Sr25519",
+    "website": "https://www.peaq.network/"
+  },
  {
    "prefix": 1284,
    "network": "moonbeam",
@@ -1140,6 +1205,19 @@
    "standardAccount": "*25519",
    "website": "https://subspace.network"
  },
+  {
+    "prefix": 7007,
+    "network": "tidefi",
+    "displayName": "Tidefi",
+    "symbols": [
+      "TIFI"
+    ],
+    "decimals": [
+      12
+    ],
+    "standardAccount": "*25519",
+    "website": "https://tidefi.com"
+  },
  {
    "prefix": 7391,
    "network": "unique_mainnet",
@@ -1153,6 +1231,19 @@
    "standardAccount": "*25519",
    "website": "https://unique.network"
  },
+  {
+    "prefix": 9807,
+    "network": "dentnet",
+    "displayName": "DENTNet",
+    "symbols": [
+      "DENTX"
+    ],
+    "decimals": [
+      18
+    ],
+    "standardAccount": "*25519",
+    "website": "https://www.dentnet.io"
+  },
  {
    "prefix": 10041,
    "network": "basilisk",
@@ -1204,5 +1295,33 @@
    ],
    "standardAccount": "*25519",
    "website": "https://ata.network"
+  },
+  {
+    "prefix": 15253,
+    "network": "ice-network",
+    "displayName": "ICE Network",
+    "symbols": [
+      "ICX",
+      "ICY"
+    ],
+    "decimals": [
+      18,
+      18
+    ],
+    "standardAccount": "*25519",
+    "website": "https://icenetwork.io"
+  },
+  {
+    "prefix": 12191,
+    "network": "nftmart",
+    "displayName": "NFTMart",
+    "symbols": [
+      "NMT"
+    ],
+    "decimals": [
+      12
+    ],
+    "standardAccount": "*25519",
+    "website": "https://nftmart.io"
  }
 ]
@@ -22,22 +22,22 @@
    "./detectPackage.cjs"
  ],
  "type": "module",
-  "version": "9.3.1",
+  "version": "9.7.1",
  "browser": {
    "crypto": false,
    "stream": false
  },
  "main": "index.js",
  "dependencies": {
-    "@babel/runtime": "^7.18.3",
-    "@noble/hashes": "1.0.0",
-    "@noble/secp256k1": "1.5.5",
-    "@polkadot/networks": "9.3.1",
-    "@polkadot/util": "9.3.1",
-    "@polkadot/wasm-crypto": "^6.1.1",
-    "@polkadot/x-bigint": "9.3.1",
-    "@polkadot/x-randomvalues": "9.3.1",
-    "@scure/base": "1.0.0",
+    "@babel/runtime": "^7.18.6",
+    "@noble/hashes": "1.1.2",
+    "@noble/secp256k1": "1.6.0",
+    "@polkadot/networks": "9.7.1",
+    "@polkadot/util": "9.7.1",
+    "@polkadot/wasm-crypto": "^6.2.1",
+    "@polkadot/x-bigint": "9.7.1",
+    "@polkadot/x-randomvalues": "9.7.1",
+    "@scure/base": "1.1.1",
    "ed2curve": "^0.3.0",
    "tweetnacl": "^1.0.3"
  },
@@ -45,6 +45,6 @@
    "@types/ed2curve": "^0.2.2"
  },
  "peerDependencies": {
-    "@polkadot/util": "9.3.1"
+    "@polkadot/util": "9.7.1"
  }
 }
@@ -27,6 +27,7 @@ type EncodeFn = (value: U8aLike, ipfsCompat?: boolean) => string;

 type ValidateFn = (value?: unknown, ipfsCompat?: boolean) => value is string;

+/** @internal */
 export function createDecode ({ coder, ipfs }: Config, validate: ValidateFn): DecodeFn {
  return (value: string, ipfsCompat?: boolean): Uint8Array => {
    validate(value, ipfsCompat);
@@ -39,6 +40,7 @@ export function createDecode ({ coder, ipfs }: Config, validate: ValidateFn): De
  };
 }

+/** @internal */
 export function createEncode ({ coder, ipfs }: Config): EncodeFn {
  return (value: U8aLike, ipfsCompat?: boolean): string => {
    const out = coder.encode(u8aToU8a(value));
@@ -49,6 +51,7 @@ export function createEncode ({ coder, ipfs }: Config): EncodeFn {
  };
 }

+/** @internal */
 export function createIs (validate: ValidateFn): ValidateFn {
  return (value?: unknown, ipfsCompat?: boolean): value is string => {
    try {
@@ -59,6 +62,7 @@ export function createIs (validate: ValidateFn): ValidateFn {
  };
 }

+/** @internal */
 export function createValidate ({ chars, ipfs, type }: Config): ValidateFn {
  return (value?: unknown, ipfsCompat?: boolean): value is string => {
    assert(value && typeof value === 'string', () => `Expected non-null, non-empty ${type} string input`);
@@ -14,16 +14,19 @@ interface DualHash {
  512: (u8a: Uint8Array) => Uint8Array;
 }

+/** @internal */
 export function createAsHex <T extends (...args: never[]) => Uint8Array> (fn: T): (...args: Parameters<T>) => HexString {
  return (...args: Parameters<T>): HexString =>
    u8aToHex(fn(...args));
 }

+/** @internal */
 export function createBitHasher (bitLength: 256 | 512, fn: (data: HexString | Buffer | Uint8Array | string, bitLength: 256 | 512, onlyJs?: boolean) => Uint8Array): (data: HexString | Buffer | Uint8Array | string, onlyJs?: boolean) => Uint8Array {
  return (data: HexString | Buffer | Uint8Array | string, onlyJs?: boolean): Uint8Array =>
    fn(data, bitLength, onlyJs);
 }

+/** @internal */
 export function createDualHasher (wa: DualHash, js: DualHash): (value: HexString | Buffer | Uint8Array | string, bitLength?: 256 | 512, onlyJs?: boolean) => Uint8Array {
  return (value: HexString | Buffer | Uint8Array | string, bitLength: 256 | 512 = 256, onlyJs?: boolean): Uint8Array => {
    const u8a = u8aToU8a(value);
@@ -1,8 +1,6 @@
 // Copyright 2017-2022 @polkadot/util-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert, isNull } from '@polkadot/util';
-
 import { DeriveJunction } from './DeriveJunction';
 import { keyExtractPath } from './extractPath';

@@ -22,7 +20,9 @@ export function keyExtractSuri (suri: string): ExtractResult {
  // eslint-disable-next-line @typescript-eslint/prefer-regexp-exec
  const matches = suri.match(RE_CAPTURE);

-  assert(!isNull(matches), 'Unable to match provided value to a secret URI');
+  if (matches === null) {
+    throw new Error('Unable to match provided value to a secret URI');
+  }

  const [, phrase, , derivePath, , , password] = matches as string[];
  const { path } = keyExtractPath(derivePath);
@@ -1,7 +1,7 @@
 // Copyright 2017-2022 @polkadot/util-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert, hasBigInt } from '@polkadot/util';
+import { hasBigInt } from '@polkadot/util';
 import { bip39ToSeed, isReady } from '@polkadot/wasm-crypto';

 import { mnemonicToSeedSync } from './bip39';
@@ -25,8 +25,11 @@ import { mnemonicValidate } from './validate';
 * ```
 */
 export function mnemonicToLegacySeed (mnemonic: string, password = '', onlyJs?: boolean, byteLength: 32 | 64 = 32): Uint8Array {
-  assert(mnemonicValidate(mnemonic), 'Invalid bip39 mnemonic specified');
-  assert([32, 64].includes(byteLength), () => `Invalid seed length ${byteLength}, expected 32 or 64`);
+  if (!mnemonicValidate(mnemonic)) {
+    throw new Error('Invalid bip39 mnemonic specified');
+  } else if (![32, 64].includes(byteLength)) {
+    throw new Error(`Invalid seed length ${byteLength}, expected 32 or 64`);
+  }

  return byteLength === 32
    ? !hasBigInt || (!onlyJs && isReady())
@@ -1,7 +1,7 @@
 // Copyright 2017-2022 @polkadot/util-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert, stringToU8a } from '@polkadot/util';
+import { stringToU8a } from '@polkadot/util';
 import { bip39ToMiniSecret, isReady } from '@polkadot/wasm-crypto';

 import { pbkdf2Encode } from '../pbkdf2';
@@ -9,7 +9,9 @@ import { mnemonicToEntropy } from './toEntropy';
 import { mnemonicValidate } from './validate';

 export function mnemonicToMiniSecret (mnemonic: string, password = '', onlyJs?: boolean): Uint8Array {
-  assert(mnemonicValidate(mnemonic), 'Invalid bip39 mnemonic specified');
+  if (!mnemonicValidate(mnemonic)) {
+    throw new Error('Invalid bip39 mnemonic specified');
+  }

  if (!onlyJs && isReady()) {
    return bip39ToMiniSecret(mnemonic, password);
@@ -0,0 +1,4 @@
+// Copyright 2017-2022 @polkadot/util-crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export * from './index';
@@ -3,4 +3,4 @@

 // Do not edit, auto-generated by @polkadot/dev

-export const packageInfo = { name: '@polkadot/util-crypto', path: 'auto', type: 'auto', version: '9.3.1' };
+export const packageInfo = { name: '@polkadot/util-crypto', path: 'auto', type: 'auto', version: '9.7.1' };
@@ -3,7 +3,7 @@

 import type { Params } from './types';

-import { assert, u8aToBn } from '@polkadot/util';
+import { u8aToBn } from '@polkadot/util';

 import { BN_LE_OPTS } from '../bn';
 import { DEFAULT_PARAMS } from './defaults';
@@ -23,7 +23,9 @@ export function scryptFromU8a (data: Uint8Array): Result {
  // and updates for greater security. However we need some protection against carefully-crafted params that can
  // eat up CPU since these are user inputs. So we need to get very clever here, but atm we only allow the defaults
  // and if no match, bail out
-  assert(N === DEFAULT_PARAMS.N && p === DEFAULT_PARAMS.p && r === DEFAULT_PARAMS.r, 'Invalid injected scrypt params found');
+  if (N !== DEFAULT_PARAMS.N || p !== DEFAULT_PARAMS.p || r !== DEFAULT_PARAMS.r) {
+    throw new Error('Invalid injected scrypt params found');
+  }

  return { params: { N, p, r }, salt };
 }
@@ -3,7 +3,7 @@

 import { Point } from '@noble/secp256k1';

-import { assert, hasBigInt } from '@polkadot/util';
+import { hasBigInt } from '@polkadot/util';
 import { isReady, secp256k1Compress as wasm } from '@polkadot/wasm-crypto';

 export function secp256k1Compress (publicKey: Uint8Array, onlyJs?: boolean): Uint8Array {
@@ -11,7 +11,9 @@ export function secp256k1Compress (publicKey: Uint8Array, onlyJs?: boolean): Uin
    return publicKey;
  }

-  assert(publicKey.length === 65, 'Invalid publicKey provided');
+  if (publicKey.length !== 65) {
+    throw new Error('Invalid publicKey provided');
+  }

  return !hasBigInt || (!onlyJs && isReady())
    ? wasm(publicKey)
@@ -1,14 +1,16 @@
 // Copyright 2017-2022 @polkadot/util-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert, compactAddLength, isU8a, stringToU8a, u8aConcat } from '@polkadot/util';
+import { compactAddLength, isU8a, stringToU8a, u8aConcat } from '@polkadot/util';

 import { blake2AsU8a } from '../blake2/asU8a';

 const HDKD = compactAddLength(stringToU8a('Secp256k1HDKD'));

 export function secp256k1DeriveHard (seed: Uint8Array, chainCode: Uint8Array): Uint8Array {
-  assert(isU8a(chainCode) && chainCode.length === 32, 'Invalid chainCode passed to derive');
+  if (!isU8a(chainCode) || chainCode.length !== 32) {
+    throw new Error('Invalid chainCode passed to derive');
+  }

  // NOTE This is specific to the Substrate HDD derivation, so always use the blake2 hasher
  return blake2AsU8a(u8aConcat(HDKD, seed, chainCode), 256);
@@ -3,7 +3,7 @@

 import { Point } from '@noble/secp256k1';

-import { assert, bnToU8a, hasBigInt, u8aConcat } from '@polkadot/util';
+import { bnToU8a, hasBigInt, u8aConcat } from '@polkadot/util';
 import { isReady, secp256k1Expand as wasm } from '@polkadot/wasm-crypto';

 import { BN_BE_256_OPTS } from '../bn';
@@ -13,7 +13,9 @@ export function secp256k1Expand (publicKey: Uint8Array, onlyJs?: boolean): Uint8
    return publicKey.subarray(1);
  }

-  assert(publicKey.length === 33, 'Invalid publicKey provided');
+  if (publicKey.length !== 33) {
+    throw new Error('Invalid publicKey provided');
+  }

  if (!hasBigInt || (!onlyJs && isReady())) {
    return wasm(publicKey).subarray(1);
@@ -5,7 +5,7 @@ import type { Keypair } from '../../types';

 import { getPublicKey } from '@noble/secp256k1';

-import { assert, hasBigInt, u8aEmpty } from '@polkadot/util';
+import { hasBigInt, u8aEmpty } from '@polkadot/util';
 import { isReady, secp256k1FromSeed } from '@polkadot/wasm-crypto';

 /**
@@ -13,7 +13,9 @@ import { isReady, secp256k1FromSeed } from '@polkadot/wasm-crypto';
 * @description Returns a object containing a `publicKey` & `secretKey` generated from the supplied seed.
 */
 export function secp256k1PairFromSeed (seed: Uint8Array, onlyJs?: boolean): Keypair {
-  assert(seed.length === 32, 'Expected valid 32-byte private key as a seed');
+  if (seed.length !== 32) {
+    throw new Error('Expected valid 32-byte private key as a seed');
+  }

  if (!hasBigInt || (!onlyJs && isReady())) {
    const full = secp256k1FromSeed(seed);
@@ -23,7 +25,9 @@ export function secp256k1PairFromSeed (seed: Uint8Array, onlyJs?: boolean): Keyp
    // it seems that the lazy static section yields invalid results on the _first_ run.
    // If this happens, fail outright, we cannot allow invalid return values
    // https://github.com/polkadot-js/wasm/issues/307
-    assert(!u8aEmpty(publicKey), 'Invalid publicKey generated from WASM interface');
+    if (u8aEmpty(publicKey)) {
+      throw new Error('Invalid publicKey generated from WASM interface');
+    }

    return {
      publicKey,
@@ -6,7 +6,7 @@ import type { HashType } from './types';

 import { recoverPublicKey, Signature } from '@noble/secp256k1';

-import { assert, hasBigInt, u8aToU8a } from '@polkadot/util';
+import { hasBigInt, u8aToU8a } from '@polkadot/util';
 import { isReady, secp256k1Recover as wasm } from '@polkadot/wasm-crypto';

 import { secp256k1Compress } from './compress';
@@ -23,7 +23,9 @@ export function secp256k1Recover (msgHash: HexString | Uint8Array | string, sign
    ? wasm(msg, sig, recovery)
    : recoverPublicKey(msg, Signature.fromCompact(sig).toRawBytes(), recovery);

-  assert(publicKey, 'Unable to recover publicKey from signature');
+  if (!publicKey) {
+    throw new Error('Unable to recover publicKey from signature');
+  }

  return hashType === 'keccak'
    ? secp256k1Expand(publicKey, onlyJs)
@@ -6,7 +6,7 @@ import type { HashType } from './types';

 import { Signature, signSync } from '@noble/secp256k1';

-import { assert, bnToU8a, hasBigInt, u8aConcat } from '@polkadot/util';
+import { bnToU8a, hasBigInt, u8aConcat } from '@polkadot/util';
 import { isReady, secp256k1Sign as wasm } from '@polkadot/wasm-crypto';

 import { BN_BE_256_OPTS } from '../bn';
@@ -17,7 +17,9 @@ import { hasher } from './hasher';
 * @description Returns message signature of `message`, using the supplied pair
 */
 export function secp256k1Sign (message: Uint8Array | string, { secretKey }: Partial<Keypair>, hashType: HashType = 'blake2', onlyJs?: boolean): Uint8Array {
-  assert(secretKey?.length === 32, 'Expected valid secp256k1 secretKey, 32-bytes');
+  if (secretKey?.length !== 32) {
+    throw new Error('Expected valid secp256k1 secretKey, 32-bytes');
+  }

  const data = hasher(hashType, message, onlyJs);

@@ -1,7 +1,7 @@
 // Copyright 2017-2022 @polkadot/util-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { _0n, assert, BN, bnToU8a, hasBigInt, isU8a, nToU8a, u8aToBigInt } from '@polkadot/util';
+import { _0n, BN, bnToU8a, hasBigInt, isU8a, nToU8a, u8aToBigInt } from '@polkadot/util';
 import { BigInt } from '@polkadot/x-bigint';

 import { BN_BE_256_OPTS, BN_BE_OPTS } from '../bn';
@@ -15,7 +15,9 @@ const N_BN = new BN(N, 'hex');
 function addBi (seckey: Uint8Array, tweak: Uint8Array): Uint8Array {
  let res = u8aToBigInt(tweak, BN_BE_OPTS);

-  assert(res < N_BI, 'Tweak parameter is out of range');
+  if (res >= N_BI) {
+    throw new Error('Tweak parameter is out of range');
+  }

  res += u8aToBigInt(seckey, BN_BE_OPTS);

@@ -23,7 +25,9 @@ function addBi (seckey: Uint8Array, tweak: Uint8Array): Uint8Array {
    res -= N_BI;
  }

-  assert(res !== _0n, 'Invalid resulting private key');
+  if (res === _0n) {
+    throw new Error('Invalid resulting private key');
+  }

  return nToU8a(res, BN_BE_256_OPTS);
 }
@@ -31,7 +35,9 @@ function addBi (seckey: Uint8Array, tweak: Uint8Array): Uint8Array {
 function addBn (seckey: Uint8Array, tweak: Uint8Array): Uint8Array {
  const res = new BN(tweak);

-  assert(res.cmp(N_BN) < 0, 'Tweak parameter is out of range');
+  if (res.cmp(N_BN) >= 0) {
+    throw new Error('Tweak parameter is out of range');
+  }

  res.iadd(new BN(seckey));

@@ -39,14 +45,19 @@ function addBn (seckey: Uint8Array, tweak: Uint8Array): Uint8Array {
    res.isub(N_BN);
  }

-  assert(!res.isZero(), 'Invalid resulting private key');
+  if (res.isZero()) {
+    throw new Error('Invalid resulting private key');
+  }

  return bnToU8a(res, BN_BE_256_OPTS);
 }

 export function secp256k1PrivateKeyTweakAdd (seckey: Uint8Array, tweak: Uint8Array, onlyBn?: boolean): Uint8Array {
-  assert(isU8a(seckey) && seckey.length === 32, 'Expected seckey to be an Uint8Array with length 32');
-  assert(isU8a(tweak) && tweak.length === 32, 'Expected tweak to be an Uint8Array with length 32');
+  if (!isU8a(seckey) || seckey.length !== 32) {
+    throw new Error('Expected seckey to be an Uint8Array with length 32');
+  } else if (!isU8a(tweak) || tweak.length !== 32) {
+    throw new Error('Expected tweak to be an Uint8Array with length 32');
+  }

  return !hasBigInt || onlyBn
    ? addBn(seckey, tweak)
@@ -4,7 +4,7 @@
 import type { HexString } from '@polkadot/util/types';
 import type { HashType } from './types';

-import { assert, u8aEq, u8aToU8a } from '@polkadot/util';
+import { u8aEq, u8aToU8a } from '@polkadot/util';

 import { hasher } from './hasher';
 import { secp256k1Recover } from './recover';
@@ -16,7 +16,9 @@ import { secp256k1Recover } from './recover';
 export function secp256k1Verify (msgHash: HexString | Uint8Array | string, signature: HexString | Uint8Array | string, address: HexString | Uint8Array | string, hashType: HashType = 'blake2', onlyJs?: boolean): boolean {
  const sig = u8aToU8a(signature);

-  assert(sig.length === 65, `Expected signature with 65 bytes, ${sig.length} found instead`);
+  if (sig.length !== 65) {
+    throw new Error(`Expected signature with 65 bytes, ${sig.length} found instead`);
+  }

  const publicKey = secp256k1Recover(hasher(hashType, msgHash), sig, sig[64], hashType, onlyJs);
  const signerAddr = hasher(hashType, publicKey, onlyJs);
@@ -4,7 +4,7 @@
 import type { HexString } from '@polkadot/util/types';
 import type { KeypairType, VerifyResult } from '../types';

-import { assert, u8aIsWrapped, u8aToU8a, u8aUnwrapBytes, u8aWrapBytes } from '@polkadot/util';
+import { u8aIsWrapped, u8aToU8a, u8aUnwrapBytes, u8aWrapBytes } from '@polkadot/util';

 import { decodeAddress } from '../address/decode';
 import { ed25519Verify } from '../ed25519/verify';
@@ -57,7 +57,9 @@ function verifyDetect (result: VerifyResult, { message, publicKey, signature }:
 }

 function verifyMultisig (result: VerifyResult, { message, publicKey, signature }: VerifyInput): VerifyResult {
-  assert([0, 1, 2].includes(signature[0]), () => `Unknown crypto type, expected signature prefix [0..2], found ${signature[0]}`);
+  if (![0, 1, 2].includes(signature[0])) {
+    throw new Error(`Unknown crypto type, expected signature prefix [0..2], found ${signature[0]}`);
+  }

  const type = CRYPTO_TYPES[signature[0]] || 'none';

@@ -88,7 +90,9 @@ function getVerifyFn (signature: Uint8Array): VerifyFn {
 export function signatureVerify (message: HexString | Uint8Array | string, signature: HexString | Uint8Array | string, addressOrPublicKey: HexString | Uint8Array | string): VerifyResult {
  const signatureU8a = u8aToU8a(signature);

-  assert([64, 65, 66].includes(signatureU8a.length), () => `Invalid signature length, expected [64..66] bytes, found ${signatureU8a.length}`);
+  if (![64, 65, 66].includes(signatureU8a.length)) {
+    throw new Error(`Invalid signature length, expected [64..66] bytes, found ${signatureU8a.length}`);
+  }

  const publicKey = decodeAddress(addressOrPublicKey);
  const input = { message: u8aToU8a(message), publicKey, signature: signatureU8a };
@@ -3,7 +3,7 @@

 import type { HexString } from '@polkadot/util/types';

-import { assert, u8aToU8a } from '@polkadot/util';
+import { u8aToU8a } from '@polkadot/util';
 import { sr25519Agree } from '@polkadot/wasm-crypto';

 /**
@@ -14,8 +14,11 @@ export function sr25519Agreement (secretKey: HexString | Uint8Array | string, pu
  const secretKeyU8a = u8aToU8a(secretKey);
  const publicKeyU8a = u8aToU8a(publicKey);

-  assert(publicKeyU8a.length === 32, () => `Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);
-  assert(secretKeyU8a.length === 64, () => `Invalid secretKey, received ${secretKeyU8a.length} bytes, expected 64`);
+  if (publicKeyU8a.length !== 32) {
+    throw new Error(`Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);
+  } else if (secretKeyU8a.length !== 64) {
+    throw new Error(`Invalid secretKey, received ${secretKeyU8a.length} bytes, expected 64`);
+  }

  return sr25519Agree(publicKeyU8a, secretKeyU8a);
 }
@@ -3,14 +3,16 @@

 import type { Keypair } from '../types';

-import { assert, isU8a } from '@polkadot/util';
+import { isU8a } from '@polkadot/util';

 import { sr25519PairFromU8a } from './pair/fromU8a';
 import { sr25519KeypairToU8a } from './pair/toU8a';

 export function createDeriveFn (derive: (pair: Uint8Array, cc: Uint8Array) => Uint8Array): (keypair: Keypair, chainCode: Uint8Array) => Keypair {
  return (keypair: Keypair, chainCode: Uint8Array): Keypair => {
-    assert(isU8a(chainCode) && chainCode.length === 32, 'Invalid chainCode passed to derive');
+    if (!isU8a(chainCode) || chainCode.length !== 32) {
+      throw new Error('Invalid chainCode passed to derive');
+    }

    return sr25519PairFromU8a(
      derive(sr25519KeypairToU8a(keypair), chainCode)
@@ -3,14 +3,17 @@

 import type { HexString } from '@polkadot/util/types';

-import { assert, isU8a, u8aToU8a } from '@polkadot/util';
+import { isU8a, u8aToU8a } from '@polkadot/util';
 import { sr25519DerivePublicSoft } from '@polkadot/wasm-crypto';

 export function sr25519DerivePublic (publicKey: HexString | Uint8Array | string, chainCode: Uint8Array): Uint8Array {
  const publicKeyU8a = u8aToU8a(publicKey);

-  assert(isU8a(chainCode) && chainCode.length === 32, 'Invalid chainCode passed to derive');
-  assert(publicKeyU8a.length === 32, () => `Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);
+  if (!isU8a(chainCode) || chainCode.length !== 32) {
+    throw new Error('Invalid chainCode passed to derive');
+  } else if (publicKeyU8a.length !== 32) {
+    throw new Error(`Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);
+  }

  return sr25519DerivePublicSoft(publicKeyU8a, chainCode);
 }
@@ -4,7 +4,7 @@
 import type { HexString } from '@polkadot/util/types';
 import type { Keypair } from '../../types';

-import { assert, u8aToU8a } from '@polkadot/util';
+import { u8aToU8a } from '@polkadot/util';
 import { sr25519KeypairFromSeed } from '@polkadot/wasm-crypto';

 import { sr25519PairFromU8a } from './fromU8a';
@@ -16,7 +16,9 @@ import { sr25519PairFromU8a } from './fromU8a';
 export function sr25519PairFromSeed (seed: HexString | Uint8Array | string): Keypair {
  const seedU8a = u8aToU8a(seed);

-  assert(seedU8a.length === 32, () => `Expected a seed matching 32 bytes, found ${seedU8a.length}`);
+  if (seedU8a.length !== 32) {
+    throw new Error(`Expected a seed matching 32 bytes, found ${seedU8a.length}`);
+  }

  return sr25519PairFromU8a(
    sr25519KeypairFromSeed(seedU8a)
@@ -4,7 +4,7 @@
 import type { HexString } from '@polkadot/util/types';
 import type { Keypair } from '../../types';

-import { assert, u8aToU8a } from '@polkadot/util';
+import { u8aToU8a } from '@polkadot/util';

 const SEC_LEN = 64;
 const PUB_LEN = 32;
@@ -13,7 +13,9 @@ const TOT_LEN = SEC_LEN + PUB_LEN;
 export function sr25519PairFromU8a (full: HexString | Uint8Array | string): Keypair {
  const fullU8a = u8aToU8a(full);

-  assert(fullU8a.length === TOT_LEN, () => `Expected keypair with ${TOT_LEN} bytes, found ${fullU8a.length}`);
+  if (fullU8a.length !== TOT_LEN) {
+    throw new Error(`Expected keypair with ${TOT_LEN} bytes, found ${fullU8a.length}`);
+  }

  return {
    publicKey: fullU8a.slice(SEC_LEN, TOT_LEN),
@@ -4,7 +4,7 @@
 import type { HexString } from '@polkadot/util/types';
 import type { Keypair } from '../types';

-import { assert, u8aToU8a } from '@polkadot/util';
+import { u8aToU8a } from '@polkadot/util';
 import { sr25519Sign as wasmSign } from '@polkadot/wasm-crypto';

 /**
@@ -12,8 +12,11 @@ import { sr25519Sign as wasmSign } from '@polkadot/wasm-crypto';
 * @description Returns message signature of `message`, using the supplied pair
 */
 export function sr25519Sign (message: HexString | Uint8Array | string, { publicKey, secretKey }: Partial<Keypair>): Uint8Array {
-  assert(publicKey?.length === 32, 'Expected a valid publicKey, 32-bytes');
-  assert(secretKey?.length === 64, 'Expected a valid secretKey, 64-bytes');
+  if (publicKey?.length !== 32) {
+    throw new Error('Expected a valid publicKey, 32-bytes');
+  } else if (secretKey?.length !== 64) {
+    throw new Error('Expected a valid secretKey, 64-bytes');
+  }

  return wasmSign(publicKey, secretKey, u8aToU8a(message));
 }
@@ -3,7 +3,7 @@

 import type { HexString } from '@polkadot/util/types';

-import { assert, u8aToU8a } from '@polkadot/util';
+import { u8aToU8a } from '@polkadot/util';
 import { sr25519Verify as wasmVerify } from '@polkadot/wasm-crypto';

 /**
@@ -14,8 +14,11 @@ export function sr25519Verify (message: HexString | Uint8Array | string, signatu
  const publicKeyU8a = u8aToU8a(publicKey);
  const signatureU8a = u8aToU8a(signature);

-  assert(publicKeyU8a.length === 32, () => `Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);
-  assert(signatureU8a.length === 64, () => `Invalid signature, received ${signatureU8a.length} bytes, expected 64`);
+  if (publicKeyU8a.length !== 32) {
+    throw new Error(`Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);
+  } else if (signatureU8a.length !== 64) {
+    throw new Error(`Invalid signature, received ${signatureU8a.length} bytes, expected 64`);
+  }

  return wasmVerify(signatureU8a, u8aToU8a(message), publicKeyU8a);
 }
@@ -4,7 +4,7 @@
 import type { HexString } from '@polkadot/util/types';
 import type { Keypair } from '../types';

-import { assert, u8aToU8a } from '@polkadot/util';
+import { u8aToU8a } from '@polkadot/util';
 import { vrfSign } from '@polkadot/wasm-crypto';

 const EMPTY_U8A = new Uint8Array();
@@ -14,7 +14,9 @@ const EMPTY_U8A = new Uint8Array();
 * @description Sign with sr25519 vrf signing (deterministic)
 */
 export function sr25519VrfSign (message: HexString | Uint8Array | string, { secretKey }: Partial<Keypair>, context: HexString | string | Uint8Array = EMPTY_U8A, extra: HexString | string | Uint8Array = EMPTY_U8A): Uint8Array {
-  assert(secretKey?.length === 64, 'Invalid secretKey, expected 64-bytes');
+  if (secretKey?.length !== 64) {
+    throw new Error('Invalid secretKey, expected 64-bytes');
+  }

  return vrfSign(secretKey, u8aToU8a(context), u8aToU8a(message), u8aToU8a(extra));
 }
@@ -3,7 +3,7 @@

 import type { HexString } from '@polkadot/util/types';

-import { assert, u8aToU8a } from '@polkadot/util';
+import { u8aToU8a } from '@polkadot/util';
 import { vrfVerify } from '@polkadot/wasm-crypto';

 const EMPTY_U8A = new Uint8Array();
@@ -16,8 +16,11 @@ export function sr25519VrfVerify (message: HexString | Uint8Array | string, sign
  const publicKeyU8a = u8aToU8a(publicKey);
  const proofU8a = u8aToU8a(signOutput);

-  assert(publicKeyU8a.length === 32, 'Invalid publicKey, expected 32-bytes');
-  assert(proofU8a.length === 96, 'Invalid vrfSign output, expected 96 bytes');
+  if (publicKeyU8a.length !== 32) {
+    throw new Error('Invalid publicKey, expected 32-bytes');
+  } else if (proofU8a.length !== 96) {
+    throw new Error('Invalid vrfSign output, expected 96 bytes');
+  }

  return vrfVerify(publicKeyU8a, u8aToU8a(context), u8aToU8a(message), u8aToU8a(extra), proofU8a);
 }
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 import { arrayRange } from '@polkadot/util';
-import { performance, performanceCmp } from '@polkadot/util/test/performance';
+import { perf, perfCmp } from '@polkadot/util/test/performance';

 import { randomAsU8a } from '..';

@@ -11,7 +11,7 @@ type ExecFn = (input: Uint8Array, onlyJs: boolean) => unknown;
 const GENERATED = arrayRange(256).map(() => [randomAsU8a()]);

 export function performanceWasm (name: string, count: number, exec: ExecFn, inputs = GENERATED): void {
-  performanceCmp(name, ['WebAssembly', 'JavaScript'], count, inputs, exec);
+  perfCmp(name, ['WebAssembly', 'JavaScript'], count, inputs, exec);
 }

-export { performance, performanceCmp };
+export { perf, perfCmp };
@@ -34,19 +34,19 @@
    "./detectPackage.cjs"
  ],
  "type": "module",
-  "version": "9.3.1",
+  "version": "9.7.1",
  "main": "index.js",
  "dependencies": {
-    "@babel/runtime": "^7.18.3",
-    "@polkadot/x-bigint": "9.3.1",
-    "@polkadot/x-global": "9.3.1",
-    "@polkadot/x-textdecoder": "9.3.1",
-    "@polkadot/x-textencoder": "9.3.1",
+    "@babel/runtime": "^7.18.6",
+    "@polkadot/x-bigint": "9.7.1",
+    "@polkadot/x-global": "9.7.1",
+    "@polkadot/x-textdecoder": "9.7.1",
+    "@polkadot/x-textencoder": "9.7.1",
    "@types/bn.js": "^5.1.0",
    "bn.js": "^5.2.1",
    "ip-regex": "^4.3.0"
  },
  "devDependencies": {
-    "@polkadot/x-randomvalues": "9.3.1"
+    "@polkadot/x-randomvalues": "9.7.1"
  }
 }
@@ -1,7 +1,8 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { arrayChunk } from '.';
+import { perf } from '../test/performance';
+import { arrayChunk, arrayRange } from '.';

 describe('arrayChunk', (): void => {
  it('chunks arrays', (): void => {
@@ -9,4 +10,6 @@ describe('arrayChunk', (): void => {
      arrayChunk([1, 2, 3, 4, 5, 6, 7], 3)
    ).toEqual([[1, 2, 3], [4, 5, 6], [7]]);
  });
+
+  perf('arrayChunk', 200_000, [[arrayRange(500), 50]], arrayChunk);
 });
@@ -17,6 +17,12 @@
 */
 export function arrayChunk <T> (array: T[], chunkSize: number): T[][] {
  const outputSize = Math.ceil(array.length / chunkSize);
+
+  // noop for the single-split case
+  if (outputSize === 1) {
+    return [array];
+  }
+
  const output = Array<T[]>(outputSize);

  for (let i = 0; i < outputSize; i++) {
@@ -1,9 +1,6 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { isNull } from '../is/null';
-import { isUndefined } from '../is/undefined';
-
 /**
 * @name arrayFilter
 * @summary Filters undefined and (optionally) null values from an array
@@ -19,10 +16,9 @@ import { isUndefined } from '../is/undefined';
 * arrayFilter([0, void 0, true, null, false, ''], false); // [0, true, false, '']
 * ```
 */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export function arrayFilter <T = any> (array: T[], allowNulls = true): T[] {
-  return array.filter((v) =>
-    !isUndefined(v) &&
-    (allowNulls || !isNull(v))
+export function arrayFilter <T = unknown> (array: readonly (T | null | undefined)[], allowNulls = true): T[] {
+  return array.filter((v): v is T =>
+    v !== undefined &&
+    (allowNulls || v !== null)
  );
 }
@@ -18,7 +18,12 @@
 * arrayFlatten([[1, 2], [3, 4], [5]]); // [1, 2, 3, 4, 5]
 * ```
 */
-export function arrayFlatten <T> (arrays: T[][]): T[] {
+export function arrayFlatten <T> (arrays: readonly T[][]): T[] {
+  // noop for the single-entry case
+  if (arrays.length === 1) {
+    return arrays[0];
+  }
+
  // pre-allocate based on the combined size
  let size = 0;

@@ -1,8 +1,6 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert } from '../assert';
-
 /**
 * @name arrayRange
 * @summary Returns a range of numbers ith the size and the specified offset
@@ -19,7 +17,9 @@ import { assert } from '../assert';
 * ```
 */
 export function arrayRange (size: number, startAt = 0): number[] {
-  assert(size > 0, 'Expected non-zero, positive number as a range size');
+  if (size <= 0) {
+    throw new Error('Expected non-zero, positive number as a range size');
+  }

  const result = new Array<number>(size);

@@ -1,8 +1,11 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

+import { perf } from '../test/performance';
 import { arrayRange, arrayShuffle } from '.';

+const ptest = arrayRange(16284);
+
 describe('arrayShuffle', (): void => {
  it('returns an empty array as-is', (): void => {
    expect(
@@ -28,4 +31,6 @@ describe('arrayShuffle', (): void => {
      JSON.stringify(inp)
    ).not.toEqual(JSON.stringify(out));
  });
+
+  perf('arrayShuffle', 1000, [[ptest]], arrayShuffle);
 });
@@ -1,16 +1,22 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

+/**
+ * @name arrayShuffle
+ * @description Shuffles the input array (unlike sort, this is not done in-place)
+ */
 export function arrayShuffle <T> (input: T[]): T[] {
  const result = input.slice();
  let curr = result.length;

+  // noop for the single entry
  if (curr === 1) {
    return result;
  }

  while (curr !== 0) {
-    const rand = Math.floor(Math.random() * curr);
+    // ~~ is more performant than Math.floor
+    const rand = ~~(Math.random() * curr);

    curr--;

@@ -1,7 +1,11 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-export function arrayZip <K, V> (keys: K[], values: V[]): [K, V][] {
+/**
+ * @name arrayZip
+ * @description Combines 2 distinct key/value arrays into a single [K, V] array
+ */
+export function arrayZip <K, V> (keys: readonly K[], values: readonly V[]): [K, V][] {
  const result = new Array<[K, V]>(keys.length);

  for (let i = 0; i < keys.length; i++) {
@@ -2,8 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0

 import { isFunction } from './is/function';
-import { isNull } from './is/null';
-import { isUndefined } from './is/undefined';

 type MessageFn = () => string;

@@ -38,7 +36,7 @@ export function assert (condition: unknown, message: string | MessageFn): assert
 * @description Returns when the value is not undefined/null, otherwise throws assertion error
 */
 export function assertReturn <T> (value: T | undefined | null, message: string | MessageFn): T {
-  assert(!isUndefined(value) && !isNull(value), message);
+  assert(value !== undefined && value !== null, message);

  return value;
 }
@@ -0,0 +1,21 @@
+// Copyright 2017-2022 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/** @internal */
+export function createCmp <T> (cmp: (a: T, b: T) => boolean): (...items: T[]) => T {
+  return (...items: T[]): T => {
+    if (items.length === 0) {
+      throw new Error('Must provide one or more arguments');
+    }
+
+    let result = items[0];
+
+    for (let i = 1; i < items.length; i++) {
+      if (cmp(items[i], result)) {
+        result = items[i];
+      }
+    }
+
+    return result;
+  };
+}
@@ -25,6 +25,6 @@ describe('nMax', (): void => {
  it('fails when no items are available', (): void => {
    expect(
      () => nMax()
-    ).toThrow(/Must provide one or more bigint arguments/);
+    ).toThrow(/Must provide one or more arguments/);
  });
 });
@@ -19,6 +19,6 @@ describe('nMin', (): void => {
  it('fails when no items are available', (): void => {
    expect(
      () => nMin()
-    ).toThrow(/Must provide one or more bigint arguments/);
+    ).toThrow(/Must provide one or more arguments/);
  });
 });
@@ -1,42 +1,16 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert } from '../assert';
-
-function gt (a: bigint, b: bigint): boolean {
-  return a > b;
-}
-
-function lt (a: bigint, b: bigint): boolean {
-  return a < b;
-}
-
-function find (items: bigint[], cmp: (a: bigint, b: bigint) => boolean): bigint {
-  assert(items.length >= 1, 'Must provide one or more bigint arguments');
-
-  let result = items[0];
-
-  for (let i = 1; i < items.length; i++) {
-    if (cmp(items[i], result)) {
-      result = items[i];
-    }
-  }
-
-  return result;
-}
+import { createCmp } from './helpers';

 /**
 * @name nMax
 * @summary Finds and returns the highest value in an array of bigint.
 */
-export function nMax (...items: bigint[]): bigint {
-  return find(items, gt);
-}
+export const nMax = createCmp<bigint>((a, b) => a > b);

 /**
 * @name nMin
 * @summary Finds and returns the lowest value in an array of bigint.
 */
-export function nMin (...items: bigint[]): bigint {
-  return find(items, lt);
-}
+export const nMin = createCmp<bigint>((a, b) => a < b);
@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 import { BN } from '../bn';
+import { SQRT_MAX_SAFE_INTEGER } from './sqrt';
 import { nSqrt } from '.';

 const TESTS: [string | number | BN | bigint, string | number][] = [
@@ -34,9 +35,21 @@ describe('nSqrt', (): void => {
    ).toThrow(/negative numbers is not supported/);
  });

+  it('has the correct constant for sqrt(Number.MAX_SAFE_INTEGER)', (): void => {
+    expect(
+      BigInt(
+        ~~Math.sqrt(
+          Number.MAX_SAFE_INTEGER
+        )
+      ) === SQRT_MAX_SAFE_INTEGER
+    ).toEqual(true);
+  });
+
  TESTS.forEach(([value, expected], index): void => {
    it(`calcs for test #${index}`, (): void => {
-      expect(nSqrt(value) === BigInt(expected)).toEqual(true);
+      expect(
+        nSqrt(value) === BigInt(expected)
+      ).toEqual(true);
    });
  });
 });
@@ -6,11 +6,11 @@ import type { ToBigInt, ToBn } from '../types';

 import { BigInt } from '@polkadot/x-bigint';

-import { assert } from '../assert';
 import { _0n, _1n, _2pow53n } from './consts';
 import { nToBigInt } from './toBigInt';

-const _sqrt2pow53n = BigInt(94906265);
+/** @internal */
+export const SQRT_MAX_SAFE_INTEGER = BigInt(94906265);

 /**
 * @name nSqrt
@@ -19,17 +19,20 @@ const _sqrt2pow53n = BigInt(94906265);
 export function nSqrt <ExtToBn extends ToBn | ToBigInt> (value: ExtToBn | BN | bigint | string | number | null): bigint {
  const n = nToBigInt(value);

-  assert(n >= _0n, 'square root of negative numbers is not supported');
+  if (n < _0n) {
+    throw new Error('square root of negative numbers is not supported');
+  }

  // https://stackoverflow.com/questions/53683995/javascript-big-integer-square-root/
  // shortcut <= 2^53 - 1 to use the JS utils
  if (n <= _2pow53n) {
-    return BigInt(Math.floor(Math.sqrt(Number(n))));
+    // ~~ is more performant that Math.floor
+    return BigInt(~~Math.sqrt(Number(n)));
  }

  // Use sqrt(MAX_SAFE_INTEGER) as starting point. since we already know the
  // output will be larger than this, we expect this to be a safe start
-  let x0 = _sqrt2pow53n;
+  let x0 = SQRT_MAX_SAFE_INTEGER;

  while (true) {
    const x1 = ((n / x0) + x0) >> _1n;
@@ -8,6 +8,7 @@ import { objectSpread } from '../object/spread';
 import { u8aToHex } from '../u8a';
 import { nToU8a } from './toU8a';

+/** @internal */
 const ZERO_STR = '0x00';

 /**
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 import { arrayRange } from '../array';
-import { performance } from '../test/performance';
+import { perf } from '../test/performance';
 import { nToU8a } from '.';

 const ptest = arrayRange(65536).map((v) => [v]);
@@ -56,5 +56,5 @@ describe('nToU8a', (): void => {
    ).toEqual(new Uint8Array([46, 251, 255, 255]));
  });

-  performance('nToU8a', 250000, ptest, nToU8a);
+  perf('nToU8a', 250000, ptest, nToU8a);
 });
@@ -25,6 +25,6 @@ describe('bnMax', (): void => {
  it('fails when no items are available', (): void => {
    expect(
      () => bnMax()
-    ).toThrow(/Must provide one or more BN arguments/);
+    ).toThrow(/Must provide one or more arguments/);
  });
 });
@@ -15,4 +15,10 @@ describe('bnMin', (): void => {
      bnMin(new BN(1))
    ).toEqual(new BN(1));
  });
+
+  it('fails when no items are available', (): void => {
+    expect(
+      () => bnMin()
+    ).toThrow(/Must provide one or more arguments/);
+  });
 });
@@ -1,21 +1,9 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert } from '../assert';
+import { createCmp } from '../bi/helpers';
 import { BN } from './bn';

-export function find (items: BN[], cmp: (a: BN, b: BN) => BN): BN {
-  assert(items.length >= 1, 'Must provide one or more BN arguments');
-
-  let result = items[0];
-
-  for (let i = 1; i < items.length; i++) {
-    result = cmp(result, items[i]);
-  }
-
-  return result;
-}
-
 /**
 * @name bnMax
 * @summary Finds and returns the highest value in an array of BNs.
@@ -29,9 +17,7 @@ export function find (items: BN[], cmp: (a: BN, b: BN) => BN): BN {
 * bnMax([new BN(1), new BN(3), new BN(2)]).toString(); // => '3'
 * ```
 */
-export function bnMax (...items: BN[]): BN {
-  return find(items, BN.max);
-}
+export const bnMax = createCmp<BN>((a, b) => a.gt(b));

 /**
 * @name bnMin
@@ -46,6 +32,4 @@ export function bnMax (...items: BN[]): BN {
 * bnMin([new BN(1), new BN(3), new BN(2)]).toString(); // => '1'
 * ```
 */
-export function bnMin (...items: BN[]): BN {
-  return find(items, BN.min);
-}
+export const bnMin = createCmp<BN>((a, b) => a.lt(b));
@@ -1,6 +1,7 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

+import { SQRT_MAX_SAFE_INTEGER } from './sqrt';
 import { BN, bnSqrt } from '.';

 const TESTS: [string | number | BN | bigint, string | number][] = [
@@ -33,9 +34,23 @@ describe('bnSqrt', (): void => {
    ).toThrow(/negative numbers is not supported/);
  });

+  it('has the correct constant for sqrt(Number.MAX_SAFE_INTEGER)', (): void => {
+    expect(
+      SQRT_MAX_SAFE_INTEGER.eq(
+        new BN(
+          ~~Math.sqrt(
+            Number.MAX_SAFE_INTEGER
+          )
+        )
+      )
+    ).toEqual(true);
+  });
+
  TESTS.forEach(([value, expected], index): void => {
    it(`calcs for test #${index}`, (): void => {
-      expect(bnSqrt(value).eq(new BN(expected))).toEqual(true);
+      expect(
+        bnSqrt(value).eq(new BN(expected))
+      ).toEqual(true);
    });
  });
 });
@@ -3,12 +3,12 @@

 import type { ToBn } from '../types';

-import { assert } from '../assert';
 import { BN } from './bn';
-import { BN_MAX_INTEGER, BN_ONE, BN_ZERO } from './consts';
+import { BN_MAX_INTEGER, BN_ONE } from './consts';
 import { bnToBn } from './toBn';

-const SQRT_MAX_SAFE_INTEGER = new BN(94906265);
+/** @internal */
+export const SQRT_MAX_SAFE_INTEGER = new BN(94906265);

 /**
 * @name bnSqrt
@@ -26,12 +26,15 @@ const SQRT_MAX_SAFE_INTEGER = new BN(94906265);
 export function bnSqrt <ExtToBn extends ToBn> (value: ExtToBn | BN | bigint | string | number | null): BN {
  const n = bnToBn(value);

-  assert(n.gte(BN_ZERO), 'square root of negative numbers is not supported');
+  if (n.isNeg()) {
+    throw new Error('square root of negative numbers is not supported');
+  }

  // https://stackoverflow.com/questions/53683995/javascript-big-integer-square-root/
  // shortcut <= 2^53 - 1 to use the JS utils
  if (n.lte(BN_MAX_INTEGER)) {
-    return new BN(Math.floor(Math.sqrt(n.toNumber())));
+    // ~~ More performant version of Math.floor
+    return new BN(~~Math.sqrt(n.toNumber()));
  }

  // Use sqrt(MAX_SAFE_INTEGER) as starting point. since we already know the
@@ -31,7 +31,7 @@ function bnToHex <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number
 /** @deprecated Use bnToHex (value?: ExtToBn | BN | bigint | number | null, options?: NumberOptions) */
 function bnToHex <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, bitLength?: number, isLe?: boolean): HexString;
 /** @deprecated Use bnToHex (value?: ExtToBn | BN | bigint | number | null, options?: NumberOptions) */
-function bnToHex <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, arg1: number | NumberOptions = DEFAULT_OPTS, arg2?: boolean): HexString {
+function bnToHex <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, arg1: number | NumberOptions = DEFAULT_OPTS, arg2 = false): HexString {
  return !value
    ? ZERO_STR
    : u8aToHex(
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 import { arrayRange } from '../array';
-import { performance } from '../test/performance';
+import { perf } from '../test/performance';
 import { BN, bnToU8a } from '.';

 const ptest = arrayRange(65536).map((v) => [v]);
@@ -38,30 +38,6 @@ describe('bnToU8a', (): void => {
    ).toEqual(new Uint8Array([0x56, 0x34, 0x12, 0x00]));
  });

-  it('converts negative numbers', (): void => {
-    expect(
-      bnToU8a(new BN(-1234), { isNegative: true })
-    ).toEqual(new Uint8Array([46, 251]));
-  });
-
-  it('converts negative numbers (BE)', (): void => {
-    expect(
-      bnToU8a(new BN(-1234), { isLe: false, isNegative: true })
-    ).toEqual(new Uint8Array([251, 46]));
-  });
-
-  it('converts negative numbers (LE)', (): void => {
-    expect(
-      bnToU8a(new BN(-1234), { bitLength: 32, isNegative: true })
-    ).toEqual(new Uint8Array([46, 251, 255, 255]));
-  });
-
-  it('converts negative numbers (LE, bitLength)', (): void => {
-    expect(
-      bnToU8a(new BN(-123456), { bitLength: 32, isNegative: true })
-    ).toEqual(new Uint8Array([192, 29, 254, 255]));
-  });
-
  it('handles backwards compatibility', (): void => {
    expect(
      bnToU8a(new BN(1234), 32, false)
@@ -70,5 +46,67 @@ describe('bnToU8a', (): void => {
    );
  });

-  performance('bnToU8a', 250000, ptest, bnToU8a);
+  describe('signed', (): void => {
+    it('converts negative numbers (BE)', (): void => {
+      expect(
+        bnToU8a(new BN(-1234), { isLe: false, isNegative: true })
+      ).toEqual(new Uint8Array([251, 46]));
+    });
+
+    it('converts negative numbers (LE, i8)', (): void => {
+      expect(
+        bnToU8a(new BN(-12), { isNegative: true })
+      ).toEqual(new Uint8Array([244]));
+    });
+
+    it('converts negative numbers (LE, i16)', (): void => {
+      expect(
+        bnToU8a(new BN(-1234), { isNegative: true })
+      ).toEqual(new Uint8Array([46, 251]));
+    });
+
+    it('converts negative numbers (LE, i24)', (): void => {
+      expect(
+        bnToU8a(new BN(-123456), { isNegative: true })
+      ).toEqual(new Uint8Array([192, 29, 254]));
+    });
+
+    it('converts negative numbers (LE, i32)', (): void => {
+      expect(
+        bnToU8a(new BN(-123456789), { isNegative: true })
+      ).toEqual(new Uint8Array([235, 50, 164, 248]));
+    });
+
+    it('converts negative numbers (LE, i40)', (): void => {
+      expect(
+        bnToU8a(new BN(-5678999999), { isNegative: true })
+      ).toEqual(new Uint8Array([65, 86, 129, 173, 254]));
+    });
+
+    it('converts negative numbers (LE, i48)', (): void => {
+      expect(
+        bnToU8a(new BN(-9999999999999), { isNegative: true })
+      ).toEqual(new Uint8Array([1, 96, 141, 177, 231, 246]));
+    });
+
+    it('converts negative numbers (LE, i64)', (): void => {
+      expect(
+        bnToU8a(new BN('-999999999999999999'), { isNegative: true })
+      ).toEqual(new Uint8Array([1, 0, 156, 88, 76, 73, 31, 242]));
+    });
+
+    it('converts negative numbers (LE, bitLength)', (): void => {
+      expect(
+        bnToU8a(new BN(-1234), { bitLength: 32, isNegative: true })
+      ).toEqual(new Uint8Array([46, 251, 255, 255]));
+    });
+
+    it('converts negative numbers (LE, bitLength)', (): void => {
+      expect(
+        bnToU8a(new BN(-123456), { bitLength: 32, isNegative: true })
+      ).toEqual(new Uint8Array([192, 29, 254, 255]));
+    });
+  });
+
+  perf('bnToU8a', 250000, ptest, bnToU8a);
 });
@@ -5,7 +5,6 @@ import type { NumberOptions, ToBn } from '../types';
 import type { BN } from './bn';

 import { isNumber } from '../is/number';
-import { objectSpread } from '../object/spread';
 import { bnToBn } from './toBn';

 const DEFAULT_OPTS: NumberOptions = { bitLength: -1, isLe: true, isNegative: false };
@@ -28,13 +27,10 @@ function bnToU8a <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number
 /** @deprecated Use bnToU8a(value?: ExtToBn | BN | bigint | number | null, options?: NumberOptions) */
 function bnToU8a <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, bitLength?: number, isLe?: boolean): Uint8Array;
 /** @deprecated Use bnToU8a(value?: ExtToBn | BN | bigint | number | null, options?: NumberOptions) */
-function bnToU8a <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, arg1: number | NumberOptions = DEFAULT_OPTS, arg2?: boolean): Uint8Array {
-  const { bitLength, isLe, isNegative }: NumberOptions = objectSpread(
-    { bitLength: -1, isLe: true, isNegative: false },
-    isNumber(arg1)
-      ? { bitLength: arg1, isLe: arg2 }
-      : arg1
-  );
+function bnToU8a <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, arg1: number | NumberOptions = DEFAULT_OPTS, arg2 = true): Uint8Array {
+  const { bitLength = -1, isLe = true, isNegative = false } = isNumber(arg1)
+    ? { bitLength: arg1, isLe: arg2 }
+    : arg1;

  const valueBn = bnToBn(value);
  const byteLength = bitLength === -1
@@ -13,6 +13,7 @@ export * from './bn';
 export * from './buffer';
 export * from './compact';
 export * from './extractTime';
+export * from './float';
 export * from './format';
 export * from './has';
 export * from './hex';
@@ -20,6 +21,7 @@ export * from './is';
 export * from './lazy';
 export * from './logger';
 export * from './memoize';
+export * from './nextTick';
 export * from './number';
 export * from './object';
 export * from './promisify';
@@ -3,4 +3,5 @@

 import type { BitLength } from './types';

+/** @internal */
 export const DEFAULT_BITLENGTH: BitLength = 32;
@@ -3,7 +3,7 @@

 import { BN } from '../bn/bn';
 import { hexToU8a } from '../hex/toU8a';
-import { performance } from '../test/performance';
+import { perf } from '../test/performance';
 import { compactFromU8a, compactFromU8aLim } from '.';

 describe('compactFromU8a', (): void => {
@@ -73,10 +73,10 @@ describe('compactFromU8a', (): void => {
    ).toEqual('100000000');
  });

-  performance('compactFromU8a (u8)', 1_000_000, [[new Uint8Array([63 << 2])]], compactFromU8a);
-  performance('compactFromU8a (u16)', 1_000_000, [[new Uint8Array([0b11111101, 0b00000111])]], compactFromU8a);
-  performance('compactFromU8a (u32)', 1_000_000, [[new Uint8Array([254, 255, 3, 0])]], compactFromU8a);
-  performance('compactFromU8aLim (u32)', 1_000_000, [[new Uint8Array([254, 255, 3, 0])]], compactFromU8aLim);
-  performance('compactFromU8a (u48)', 1_000_000, [[hexToU8a('0x0b00407a10f35a')]], compactFromU8a);
-  performance('compactFromU8a (u96)', 250_000, [[new Uint8Array([23, 52, 0x40, 0x7a, 0x10, 0xf3, 0x5a, 0, 0, 18])]], compactFromU8a);
+  perf('compactFromU8a (u8)', 1_000_000, [[new Uint8Array([63 << 2])]], compactFromU8a);
+  perf('compactFromU8a (u16)', 1_000_000, [[new Uint8Array([0b11111101, 0b00000111])]], compactFromU8a);
+  perf('compactFromU8a (u32)', 1_000_000, [[new Uint8Array([254, 255, 3, 0])]], compactFromU8a);
+  perf('compactFromU8aLim (u32)', 1_000_000, [[new Uint8Array([254, 255, 3, 0])]], compactFromU8aLim);
+  perf('compactFromU8a (u48)', 1_000_000, [[hexToU8a('0x0b00407a10f35a')]], compactFromU8a);
+  perf('compactFromU8a (u96)', 250_000, [[new Uint8Array([23, 52, 0x40, 0x7a, 0x10, 0xf3, 0x5a, 0, 0, 18])]], compactFromU8a);
 });
@@ -30,35 +30,38 @@ export function compactFromU8a (input: U8aLike): [number, BN] {
      return [1, new BN(u8a[0] >>> 2)];

    case 0b01:
-      return [2, new BN((u8a[0] + (u8a[1] * 0x1_00)) >>> 2)];
+      return [2, new BN((u8a[0] + (u8a[1] << 8)) >>> 2)];

    case 0b10:
-      return [4, new BN((u8a[0] + (u8a[1] * 0x1_00) + (u8a[2] * 0x1_00_00) + (u8a[3] * 0x1_00_00_00)) >>> 2)];
+      // for the 3rd byte, we don't << 24 - since JS converts all bitwise operators to
+      // 32-bit, in the case where the top-most bit is set this yields a negative value
+      return [4, new BN((u8a[0] + (u8a[1] << 8) + (u8a[2] << 16) + (u8a[3] * 0x1_00_00_00)) >>> 2)];

    // 0b11
-    default:
-      break;
-  }
+    default: {
+      // add 5 to shifted (4 for base length, 1 for this byte)
+      const offset = (u8a[0] >>> 2) + 5;

-  // add 5 to shifted (4 for base length, 1 for this byte)
-  const offset = (u8a[0] >>> 2) + 5;
+      // we unroll the loop
+      switch (offset) {
+        // there still could be 4 bytes data, similar to 0b10 above (with offsets)
+        case 5:
+          // for the 3rd byte, we don't << 24 - since JS converts all bitwise operators to
+          // 32-bit, in the case where the top-most bit is set this yields a negative value
+          return [5, new BN(u8a[1] + (u8a[2] << 8) + (u8a[3] << 16) + (u8a[4] * 0x1_00_00_00))];

-  // we unroll the loop
-  switch (offset) {
-    // there still could be 4 bytes data, similar to 0b10 above (with offsets)
-    case 5:
-      return [5, new BN(u8a[1] + (u8a[2] * 0x1_00) + (u8a[3] * 0x1_00_00) + (u8a[4] * 0x1_00_00_00))];
+        case 6:
+          return [6, new BN(u8a[1] + (u8a[2] << 8) + (u8a[3] << 16) + ((u8a[4] + (u8a[5] << 8)) * 0x1_00_00_00))];

-    case 6:
-      return [6, new BN(u8a[1] + (u8a[2] * 0x1_00) + (u8a[3] * 0x1_00_00) + (u8a[4] * 0x1_00_00_00) + (u8a[5] * 0x1_00_00_00_00))];
+        // 6 bytes data is the maximum, 48 bits (56 would overflow)
+        case 7:
+          return [7, new BN(u8a[1] + (u8a[2] << 8) + (u8a[3] << 16) + ((u8a[4] + (u8a[5] << 8) + (u8a[6] << 16)) * 0x1_00_00_00))];

-    // 6 bytes data is the maximum, 48 bits (56 would overflow)
-    case 7:
-      return [7, new BN(u8a[1] + (u8a[2] * 0x1_00) + (u8a[3] * 0x1_00_00) + (u8a[4] * 0x1_00_00_00) + (u8a[5] * 0x1_00_00_00_00) + (u8a[6] * 0x1_00_00_00_00_00))];
-
-    // for anything else, use the non-unrolled version
-    default:
-      return [offset, u8aToBn(u8a.subarray(1, offset))];
+        // for anything else, use the non-unrolled version
+        default:
+          return [offset, u8aToBn(u8a.subarray(1, offset))];
+      }
+    }
  }
 }

@@ -74,34 +77,33 @@ export function compactFromU8aLim (u8a: Uint8Array): [number, number] {
      return [1, u8a[0] >>> 2];

    case 0b01:
-      return [2, (u8a[0] + (u8a[1] * 0x1_00)) >>> 2];
+      return [2, (u8a[0] + (u8a[1] << 8)) >>> 2];

    case 0b10:
-      return [4, (u8a[0] + (u8a[1] * 0x1_00) + (u8a[2] * 0x1_00_00) + (u8a[3] * 0x1_00_00_00)) >>> 2];
+      // for the 3rd byte, we don't << 24 - since JS converts all bitwise operators to
+      // 32-bit, in the case where the top-most bit is set this yields a negative value
+      return [4, (u8a[0] + (u8a[1] << 8) + (u8a[2] << 16) + (u8a[3] * 0x1_00_00_00)) >>> 2];

    // 0b11
-    default:
-      break;
-  }
+    default: {
+      // add 5 to shifted (4 for base length, 1 for this byte)
+      // we unroll the loop
+      switch ((u8a[0] >>> 2) + 5) {
+        // there still could be 4 bytes data, similar to 0b10 above (with offsets)
+        case 5:
+          return [5, u8a[1] + (u8a[2] << 8) + (u8a[3] << 16) + (u8a[4] * 0x1_00_00_00)];

-  // add 5 to shifted (4 for base length, 1 for this byte)
-  const offset = (u8a[0] >>> 2) + 5;
+        case 6:
+          return [6, u8a[1] + (u8a[2] << 8) + (u8a[3] << 16) + ((u8a[4] + (u8a[5] << 8)) * 0x1_00_00_00)];

-  // we unroll the loop
-  switch (offset) {
-    // there still could be 4 bytes data, similar to 0b10 above (with offsets)
-    case 5:
-      return [5, u8a[1] + (u8a[2] * 0x1_00) + (u8a[3] * 0x1_00_00) + (u8a[4] * 0x1_00_00_00)];
+        // 6 bytes data is the maximum, 48 bits (56 would overflow)
+        case 7:
+          return [7, u8a[1] + (u8a[2] << 8) + (u8a[3] << 16) + ((u8a[4] + (u8a[5] << 8) + (u8a[6] << 16)) * 0x1_00_00_00)];

-    case 6:
-      return [6, u8a[1] + (u8a[2] * 0x1_00) + (u8a[3] * 0x1_00_00) + (u8a[4] * 0x1_00_00_00) + (u8a[5] * 0x1_00_00_00_00)];
-
-    // 6 bytes data is the maximum, 48 bits (56 would overflow)
-    case 7:
-      return [7, u8a[1] + (u8a[2] * 0x1_00) + (u8a[3] * 0x1_00_00) + (u8a[4] * 0x1_00_00_00) + (u8a[5] * 0x1_00_00_00_00) + (u8a[6] * 0x1_00_00_00_00_00)];
-
-    // for anything else, use the non-unrolled version
-    default:
-      throw new Error('Compact input is > Number.MAX_SAFE_INTEGER');
+        // for anything else, we are above the actual MAX_SAFE_INTEGER - bail out
+        default:
+          throw new Error('Compact input is > Number.MAX_SAFE_INTEGER');
+      }
+    }
  }
 }
@@ -1,7 +1,6 @@
 // Copyright 2017-2022 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0

-import { assert } from '../assert';
 import { BN, BN_ONE, BN_TWO, bnToBn, bnToU8a } from '../bn';
 import { u8aConcatStrict } from '../u8a';

@@ -42,7 +41,9 @@ export function compactToU8a (value: BN | bigint | number): Uint8Array {
    length--;
  }

-  assert(length >= 4, 'Invalid length, previous checks match anything less than 2^30');
+  if (length < 4) {
+    throw new Error('Invalid length, previous checks match anything less than 2^30');
+  }

  return u8aConcatStrict([
    // subtract 4 as minimum (also catered for in decoding)
@@ -3,67 +3,51 @@

 import type { Time } from './types';

-import { objectSpread } from './object/spread';
-
-const HRS = 60 * 60;
-const DAY = HRS * 24;
+const MIN_MS = 60 * 1000;
+const HR_MS = MIN_MS * 60;
+const DAY_MS = HR_MS * 24;
 const ZERO: Time = { days: 0, hours: 0, milliseconds: 0, minutes: 0, seconds: 0 };

-/**
- * @name addTime
- * @summary Add together two Time arrays
- */
-
-function addTime (a: Time, b: Time): Time {
+/** @internal */
+function add (a: Partial<Time>, b: Time): Time {
  return {
-    days: a.days + b.days,
-    hours: a.hours + b.hours,
-    milliseconds: a.milliseconds + b.milliseconds,
-    minutes: a.minutes + b.minutes,
-    seconds: a.seconds + b.seconds
+    days: (a.days || 0) + b.days,
+    hours: (a.hours || 0) + b.hours,
+    milliseconds: (a.milliseconds || 0) + b.milliseconds,
+    minutes: (a.minutes || 0) + b.minutes,
+    seconds: (a.seconds || 0) + b.seconds
  };
 }

-function extractDays (milliseconds: number, hrs: number): Time {
-  const days = Math.floor(hrs / 24);
+/** @internal */
+function extractSecs (ms: number): Time {
+  const s = ms / 1000;

-  return addTime(objectSpread({}, ZERO, { days }), extractTime(milliseconds - (days * DAY * 1000)));
-}
+  if (s < 60) {
+    const seconds = ~~s;

-function extractHrs (milliseconds: number, mins: number): Time {
-  const hrs = mins / 60;
-
-  if (hrs < 24) {
-    const hours = Math.floor(hrs);
-
-    return addTime(objectSpread({}, ZERO, { hours }), extractTime(milliseconds - (hours * HRS * 1000)));
+    return add({ seconds }, extractTime(ms - (seconds * 1000)));
  }

-  return extractDays(milliseconds, hrs);
-}
+  const m = s / 60;

-function extractMins (milliseconds: number, secs: number): Time {
-  const mins = secs / 60;
+  if (m < 60) {
+    const minutes = ~~m;

-  if (mins < 60) {
-    const minutes = Math.floor(mins);
-
-    return addTime(objectSpread({}, ZERO, { minutes }), extractTime(milliseconds - (minutes * 60 * 1000)));
+    return add({ minutes }, extractTime(ms - (minutes * MIN_MS)));
  }

-  return extractHrs(milliseconds, mins);
-}
+  const h = m / 60;

-function extractSecs (milliseconds: number): Time {
-  const secs = milliseconds / 1000;
+  if (h < 24) {
+    const hours = ~~h;

-  if (secs < 60) {
-    const seconds = Math.floor(secs);
-
-    return addTime(objectSpread({}, ZERO, { seconds }), extractTime(milliseconds - (seconds * 1000)));
+    return add({ hours }, extractTime(ms - (hours * HR_MS)));
  }

-  return extractMins(milliseconds, secs);
+  const days = ~~(h / 24);
+
+  return add({ days }, extractTime(ms - (days * DAY_MS)));
 }

 /**
@@ -82,6 +66,6 @@ export function extractTime (milliseconds?: number): Time {
  return !milliseconds
    ? ZERO
    : milliseconds < 1000
-      ? objectSpread({}, ZERO, { milliseconds })
+      ? add({ milliseconds }, ZERO)
      : extractSecs(milliseconds);
 }
@@ -0,0 +1,4 @@
+// Copyright 2017-2022 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export { floatToU8a } from './toU8a';
@@ -0,0 +1,90 @@
+// Copyright 2017-2022 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { u8aToHex } from '../u8a';
+import { floatToU8a } from '.';
+
+describe('floatToU8a', (): void => {
+  it('throws on invalid bitLength', (): void => {
+    expect(
+      () => floatToU8a(123, { bitLength: 48 as 32 })
+    ).toThrow();
+  });
+
+  describe('32-bit', (): void => {
+    it('correctly encodes +0.0', (): void => {
+      expect(
+        u8aToHex(floatToU8a(+0.0))
+      ).toEqual('0x00000000');
+    });
+
+    it('correctly encodes -0.0', (): void => {
+      expect(
+        u8aToHex(floatToU8a(-0.0))
+      ).toEqual('0x00000080');
+    });
+
+    it('correctly encodes -0.0 (BE)', (): void => {
+      expect(
+        u8aToHex(floatToU8a(-0.0, { isLe: false }))
+      ).toEqual('0x80000000');
+    });
+
+    it('encodes NaN', (): void => {
+      expect(
+        u8aToHex(floatToU8a(Number.NaN, { isLe: true }))
+      ).toEqual('0x0000c07f');
+    });
+
+    describe('equivalency', (): void => {
+      it('encodes number 123.456', (): void => {
+        expect(
+          u8aToHex(floatToU8a(123.456))
+        ).toEqual('0x79e9f642');
+      });
+
+      it('encodes string 123.456', (): void => {
+        expect(
+          u8aToHex(floatToU8a('123.456'))
+        ).toEqual('0x79e9f642');
+      });
+
+      it('encodes Number 123.456', (): void => {
+        class Test extends Number {
+          foo = 'bar';
+        }
+
+        // https://www.h-schmidt.net/FloatConverter/IEEE754.html
+        expect(
+          u8aToHex(floatToU8a(new Test(123.456)))
+        ).toEqual('0x79e9f642');
+      });
+    });
+  });
+
+  describe('64-bit', (): void => {
+    it('correctly encodes +0.0', (): void => {
+      expect(
+        u8aToHex(floatToU8a(+0.0, { bitLength: 64 }))
+      ).toEqual('0x0000000000000000');
+    });
+
+    it('correctly encodes -0.0', (): void => {
+      expect(
+        u8aToHex(floatToU8a(-0.0, { bitLength: 64, isLe: true }))
+      ).toEqual('0x0000000000000080');
+    });
+
+    it('correctly encodes -0.0 (BE)', (): void => {
+      expect(
+        u8aToHex(floatToU8a(-0.0, { bitLength: 64, isLe: false }))
+      ).toEqual('0x8000000000000000');
+    });
+
+    it('encodes NaN', (): void => {
+      expect(
+        u8aToHex(floatToU8a(Number.NaN, { bitLength: 64 }))
+      ).toEqual('0x000000000000f87f');
+    });
+  });
+});
@@ -0,0 +1,32 @@
+// Copyright 2017-2022 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// eslint-disable-next-line @typescript-eslint/ban-types
+type AnyFloat = number | Number;
+
+interface Options {
+  bitLength?: 32 | 64;
+  isLe?: boolean;
+}
+
+/**
+ * @name floatToU8a
+ * @description Converts a float into a U8a representation (While we don't use BE in SCALE
+ * we still allow for either representation, although, as elsewhere, isLe is default)
+ */
+export function floatToU8a (value: string | AnyFloat = 0.0, { bitLength = 32, isLe = true }: Options = {}): Uint8Array {
+  if (bitLength !== 32 && bitLength !== 64) {
+    throw new Error('Invalid bitLength provided, expected 32 or 64');
+  }
+
+  const result = new Uint8Array(bitLength / 8);
+  const dv = new DataView(result.buffer, result.byteOffset);
+
+  if (bitLength === 32) {
+    dv.setFloat32(0, Number(value), isLe);
+  } else {
+    dv.setFloat64(0, Number(value), isLe);
+  }
+
+  return result;
+}
@@ -6,7 +6,6 @@ import type { SiDef, ToBn } from '../types';

 import { bnToBn } from '../bn/toBn';
 import { isBoolean } from '../is/boolean';
-import { isUndefined } from '../is/undefined';
 import { formatDecimal } from './formatDecimal';
 import { calcSi, findSi, SI, SI_MID } from './si';

@@ -147,12 +146,12 @@ formatBalance.getOptions = (decimals: number = defaultDecimals): SiDef[] => {
 // Sets the default decimals to use for formatting (ui-wide)
 // eslint-disable-next-line @typescript-eslint/unbound-method
 formatBalance.setDefaults = ({ decimals, unit }: SetDefaults): void => {
-  defaultDecimals = isUndefined(decimals)
+  defaultDecimals = decimals === undefined
    ? defaultDecimals
    : Array.isArray(decimals)
      ? decimals[0]
      : decimals;
-  defaultUnit = isUndefined(unit)
+  defaultUnit = unit === undefined
    ? defaultUnit
    : Array.isArray(unit)
      ? unit[0]
@@ -6,6 +6,10 @@ function zeroPad (value: number): string {
  return value.toString().padStart(2, '0');
 }

+/**
+ * @name formatDate
+ * @description Formats a date in CCYY-MM-DD HH:MM:SS format
+ */
 export function formatDate (date: Date): string {
  const year = date.getFullYear().toString();
  const month = zeroPad((date.getMonth() + 1));
@@ -4,6 +4,10 @@
 // eslint-disable-next-line prefer-regex-literals
 const NUMBER_REGEX = new RegExp('(\\d+?)(?=(\\d{3})+(?!\\d)|$)', 'g');

+/**
+ * @name formatDecimal
+ * @description Formats a number into string format with thousand seperators
+ */
 export function formatDecimal (value: string): string {
  // We can do this by adjusting the regx, however for the sake of clarity
  // we rather strip and re-add the negative sign in the output
@@ -6,6 +6,7 @@ import type { ToBn } from '../types';

 import { bnToBn } from '../bn/toBn';

+/** @internal */
 function formatValue (elapsed: number): string {
  if (elapsed < 15) {
    return `${elapsed.toFixed(1)}s`;
@@ -18,6 +19,10 @@ function formatValue (elapsed: number): string {
  return `${elapsed / 3600 | 0}h`;
 }

+/**
+ * @name formatElapsed
+ * @description Formats an elapsed value into s, m, h or day segments
+ */
 export function formatElapsed <ExtToBn extends ToBn> (now?: Date | null, value?: bigint | BN | ExtToBn | Date | number | null): string {
  const tsNow = (now && now.getTime()) || 0;
  const tsValue = value instanceof Date
@@ -7,6 +7,10 @@ import type { ToBn } from '../types';
 import { bnToBn } from '../bn/toBn';
 import { formatDecimal } from './formatDecimal';

+/**
+ * @name formatNumber
+ * @description Formats a number into string format with thousand seperators
+ */
 export function formatNumber <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null): string {
  return formatDecimal(bnToBn(value).toString());
 }
@@ -3,8 +3,10 @@

 import type { SiDef } from '../types';

+/** @internal */
 export const SI_MID = 8;

+/** @internal */
 export const SI: SiDef[] = [
  { power: -24, text: 'yocto', value: 'y' },
  { power: -21, text: 'zepto', value: 'z' },
@@ -26,6 +28,7 @@ export const SI: SiDef[] = [
 ];

 // Given a SI type (e.g. k, m, Y) find the SI definition
+/** @internal */
 export function findSi (type: string): SiDef {
  // use a loop here, better RN support (which doesn't have [].find)
  for (let i = 0; i < SI.length; i++) {
@@ -37,6 +40,7 @@ export function findSi (type: string): SiDef {
  return SI[SI_MID];
 }

+/** @internal */
 export function calcSi (text: string, decimals: number, forceUnit?: string): SiDef {
  if (forceUnit) {
    return findSi(forceUnit);
@@ -3,10 +3,23 @@

 import { BigInt } from '@polkadot/x-bigint';

+/** true if the environment has proper BigInt support */
 export const hasBigInt = typeof BigInt === 'function' && typeof BigInt.asIntN === 'function';
+
+/** true if the environment has support for Buffer */
 export const hasBuffer = typeof Buffer !== 'undefined';
+
+/** true if the environment is CJS */
 export const hasCjs = typeof require === 'function' && typeof module !== 'undefined';
+
+/** true if the environment has __dirname available */
 export const hasDirname = typeof __dirname !== 'undefined';
+
+/** true if the environment is ESM */
 export const hasEsm = !hasCjs;
+
+/** true if the environment has process available (typically Node.js) */
 export const hasProcess = typeof process === 'object';
+
+/** true if the environment has WebAssembly available */
 export const hasWasm = typeof WebAssembly !== 'undefined';
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
github-actions[bot]	5ca6575245	[CI Skip] release/stable 9.7.1 skip-checks: true	2022-07-01 14:45:17 +00:00
Jaco	4cadf3bcb7	9.7.1 (#1572 )	2022-07-01 17:40:21 +03:00
github-actions[bot]	81f8f16b98	[CI Skip] bump/beta 9.6.3-1-x skip-checks: true	2022-06-30 11:38:33 +00:00
Jaco	8edfb1139f	Bump dev deps (#1570 )	2022-06-30 14:35:05 +03:00
github-actions[bot]	69d1d896d1	[CI Skip] bump/beta 9.6.3-0-x skip-checks: true	2022-06-28 07:56:25 +00:00
Jaco	3bc62adf6f	Sprinkle in readonly on array inputs (#1568 )	2022-06-28 10:52:57 +03:00
github-actions[bot]	691a8e9b18	[CI Skip] release/stable 9.6.2 skip-checks: true	2022-06-25 05:26:53 +00:00
Jaco	fc812590e5	Fix `hexToU8a` where `0x` is not correctly converted (#1567 ) * Fix `hexToU8a` where `0x` is not correctly converted * 9.6.2 * CHANGELOG	2022-06-25 08:23:36 +03:00
github-actions[bot]	05499abcd5	[CI Skip] bump/beta 9.6.2-2-x skip-checks: true	2022-06-23 17:05:08 +00:00
Jaco	e375dd8a9d	Bump dev (w/ deno build fix) (#1566 )	2022-06-23 20:01:35 +03:00
github-actions[bot]	3269883e8f	[CI Skip] bump/beta 9.6.2-1-x skip-checks: true	2022-06-23 11:19:10 +00:00
Jaco	c99129ee06	Rebump dev	2022-06-23 14:14:53 +03:00
github-actions[bot]	2514e107bf	[CI Skip] bump/beta 9.6.2-0-x skip-checks: true	2022-06-23 11:08:07 +00:00
Jaco	3c34a0e1f2	Bump dev	2022-06-23 14:04:35 +03:00
github-actions[bot]	f704e371c8	[CI Skip] release/stable 9.6.1 skip-checks: true	2022-06-23 08:14:26 +00:00
Jaco	97e3443e74	9.6.1 (#1565 )	2022-06-23 11:10:14 +03:00
github-actions[bot]	a84e101666	[CI Skip] release/beta 9.5.2-19 skip-checks: true	2022-06-23 07:56:55 +00:00
Jaco	a799918d58	Bump wasm & dev (#1564 )	2022-06-23 10:53:26 +03:00
github-actions[bot]	429390fb62	[CI Skip] release/beta 9.5.2-18 skip-checks: true	2022-06-22 11:38:19 +00:00
Jaco	05d0109b72	Bump dev (w/ 3rd-part from esm.sh) (#1563 )	2022-06-22 14:34:06 +03:00
github-actions[bot]	02b1429979	[CI Skip] release/beta 9.5.2-17 skip-checks: true	2022-06-22 10:46:27 +00:00
Jaco	6e1853d01f	Bump dev (w/ deno ensure filename fixes) (#1562 )	2022-06-22 13:42:58 +03:00
github-actions[bot]	aa9c406d01	[CI Skip] release/beta 9.5.2-16 skip-checks: true	2022-06-22 10:10:41 +00:00
Jaco	f9ec44823d	Added mapping for @noble/secp256k1 to deno.land/x (#1561 )	2022-06-22 13:07:12 +03:00
github-actions[bot]	54218651f9	[CI Skip] release/beta 9.5.2-15 skip-checks: true	2022-06-22 08:56:23 +00:00
Jaco	571c9eff6a	Bump dev (& ignore perf tests on CI) (#1560 )	2022-06-22 11:52:18 +03:00
github-actions[bot]	5b7333b8dd	[CI Skip] release/beta 9.5.2-14 skip-checks: true	2022-06-22 08:17:21 +00:00
Jaco	938fa8b967	Bump dev (w/ publish updates) (#1559 )	2022-06-22 11:13:18 +03:00
github-actions[bot]	b99a69871e	[CI Skip] release/beta 9.5.2-13 skip-checks: true	2022-06-22 06:45:47 +00:00
Jaco	b1da8f575b	Trigger deno build	2022-06-22 09:40:32 +03:00
github-actions[bot]	a960aaf6ae	[CI Skip] release/beta 9.5.2-12 skip-checks: true	2022-06-22 06:34:30 +00:00
Jaco	f88c647ad0	Bump deps (#1558 ) * Bump deps * 3rd party bumps	2022-06-22 09:30:31 +03:00
github-actions[bot]	7ff11925d9	[CI Skip] release/beta 9.5.2-11 skip-checks: true	2022-06-21 13:03:57 +00:00
Jaco	cb5a588489	Bump dev (w/ stable deno publish) (#1557 ) * Bump dev (w/ stable deno publish) * Adjust * Bump dev	2022-06-21 15:59:46 +03:00
github-actions[bot]	09019224e3	[CI Skip] release/beta 9.5.2-10 skip-checks: true	2022-06-21 04:49:51 +00:00
Jaco	2d7031831a	Bump TS to 4.7.4 (#1556 )	2022-06-21 07:44:57 +03:00
github-actions[bot]	faf7ea2b17	[CI Skip] release/beta 9.5.2-9 skip-checks: true	2022-06-21 03:32:33 +00:00
Jaco	af973de694	Bump deps (#1555 )	2022-06-21 06:28:19 +03:00
github-actions[bot]	dfede866b2	[CI Skip] release/beta 9.5.2-8 skip-checks: true	2022-06-20 14:11:41 +00:00
Jaco	0f0b243815	Adjust isNull & isUndefined checks (#1554 )	2022-06-20 17:06:35 +03:00
github-actions[bot]	29f53fe906	[CI Skip] release/beta 9.5.2-7 skip-checks: true	2022-06-20 13:30:11 +00:00
Jaco	225c250634	Adjust asserts (#1548 ) * Adjust asserts * Fix linting & build	2022-06-20 16:26:07 +03:00
github-actions[bot]	c871e9d735	[CI Skip] release/beta 9.5.2-6 skip-checks: true	2022-06-20 10:19:45 +00:00
Jaco	b42ead28e5	Optimize isAsicc check (#1553 )	2022-06-20 13:15:00 +03:00
github-actions[bot]	db0581c051	[CI Skip] release/beta 9.5.2-5 skip-checks: true	2022-06-20 08:54:49 +00:00
Jaco	e7ac095ace	Slight improvment to hexToU8a (#1552 )	2022-06-20 11:49:41 +03:00
github-actions[bot]	a7d9fc48e9	[CI Skip] release/beta 9.5.2-4 skip-checks: true	2022-06-20 08:34:19 +00:00
Jaco	3db2990ce7	Change Date.now() to performance.now() (#1551 ) * Change Date.now() to performance.now() * Adjust	2022-06-20 11:29:59 +03:00
github-actions[bot]	4b7cda243b	[CI Skip] release/beta 9.5.2-3 skip-checks: true	2022-06-20 05:13:47 +00:00
Jaco	c4ceeb8382	Additional float conversion tests (#1550 )	2022-06-20 08:09:51 +03:00
github-actions[bot]	540971d388	[CI Skip] release/beta 9.5.2-2 skip-checks: true	2022-06-19 18:33:38 +00:00
Jaco	b4d65a1c49	floatToU8a adjustment (#1549 )	2022-06-19 21:29:34 +03:00
github-actions[bot]	4fd4660853	[CI Skip] release/beta 9.5.2-1 skip-checks: true	2022-06-19 07:22:23 +00:00
Jaco	4b46c179b2	floatToU8a & u8aToFloat (#1547 ) * floatToU8a & u8aToFloat * test for asserts	2022-06-19 10:17:35 +03:00
github-actions[bot]	3c6d297ecd	[CI Skip] release/beta 9.5.2-0 skip-checks: true	2022-06-18 18:37:12 +00:00
Jaco	4a6e620acc	Adjust isUndefined check (#1546 )	2022-06-18 21:33:19 +03:00
github-actions[bot]	50b494ee2e	[CI Skip] release/stable 9.5.1 skip-checks: true	2022-06-18 11:21:50 +00:00
Jaco	5b551ca976	9.5.1 (#1545 )	2022-06-18 14:18:04 +03:00
github-actions[bot]	5f2a0e25f9	[CI Skip] release/beta 9.4.2-25 skip-checks: true	2022-06-18 10:35:02 +00:00
Jaco	4edb0f00b6	Adjust asserts (#1544 )	2022-06-18 13:31:25 +03:00
github-actions[bot]	096c772d7d	[CI Skip] release/beta 9.4.2-24 skip-checks: true	2022-06-18 06:02:51 +00:00
Jaco	d771d4c243	Performance test for isCodec vs instanceof (#1543 )	2022-06-18 08:58:59 +03:00
github-actions[bot]	e038c36719	[CI Skip] release/beta 9.4.2-23 skip-checks: true	2022-06-17 06:28:47 +00:00
Jaco	19c8799986	Additional property tests (#1542 )	2022-06-17 09:25:01 +03:00
github-actions[bot]	e7f642e7fb	[CI Skip] release/beta 9.4.2-22 skip-checks: true	2022-06-17 04:59:00 +00:00
Jaco	90e05a7907	Adjust objectProperties with `key in that` check (#1541 )	2022-06-17 07:55:08 +03:00
github-actions[bot]	1ad961eb93	[CI Skip] release/beta 9.4.2-21 skip-checks: true	2022-06-16 18:38:27 +00:00
Jaco	8549f1fe89	Adjust isAscii str vs u8a loops (#1540 )	2022-06-16 21:34:35 +03:00
github-actions[bot]	0be212bd49	[CI Skip] release/beta 9.4.2-20 skip-checks: true	2022-06-16 14:18:23 +00:00
Jaco	2dd2f78f7e	Use \d in regex (as applicable) (#1539 ) * Use \d in regex (as applicable) * Adjust	2022-06-16 17:13:34 +03:00
github-actions[bot]	d5ce0ff4d1	[CI Skip] release/beta 9.4.2-19 skip-checks: true	2022-06-16 13:52:39 +00:00
Jaco	4d887e889a	Adjust testing for uppercase words in stringCamelCase (#1538 ) * Adjust testing for uppercase words in stringCamelCase * Use \d * Revert	2022-06-16 16:47:52 +03:00
github-actions[bot]	1113d09315	[CI Skip] release/beta 9.4.2-18 skip-checks: true	2022-06-16 13:12:24 +00:00
Jaco	b774b7804b	Small camelCase conversion adjustments (#1537 ) * Small camelCase conversion adjustments * Remove unused exports * Extract formatRuns	2022-06-16 16:07:45 +03:00
github-actions[bot]	6c1b0e7346	[CI Skip] release/beta 9.4.2-17 skip-checks: true	2022-06-16 11:56:18 +00:00
Jaco	68ba664c4c	hexToU8a adjustments (#1536 ) * hexToU8a adjustments * Adjust test	2022-06-16 14:51:34 +03:00
github-actions[bot]	c3c4ceab8b	[CI Skip] release/beta 9.4.2-16 skip-checks: true	2022-06-16 08:34:08 +00:00
Jaco	fff30601a0	Unroll u8aToBn loops (#1535 ) * Unroll u8aToBn loops * Adjust with additional xor shortcuts * Adjust mult -> shift (where below u32) * assertUnreachable * Add u8aToNumber	2022-06-16 11:29:23 +03:00
github-actions[bot]	cfb5d24a87	[CI Skip] release/beta 9.4.2-15 skip-checks: true	2022-06-15 18:51:31 +00:00
Jaco	7ce4ed1504	Cleanup comments (#1534 )	2022-06-15 21:47:23 +03:00
github-actions[bot]	5a00b146fc	[CI Skip] release/beta 9.4.2-14 skip-checks: true	2022-06-15 18:22:28 +00:00
Jaco	1a73a3407e	Adjust option extraction for helpers (#1533 ) * Adjust option extraction for helpers * Adjust	2022-06-15 21:17:07 +03:00
github-actions[bot]	0db66346a6	[CI Skip] release/beta 9.4.2-13 skip-checks: true	2022-06-14 04:28:47 +00:00
Jaco	a07bfe1234	Bump dev (#1532 )	2022-06-14 07:24:11 +03:00
github-actions[bot]	5feb233abc	[CI Skip] release/beta 9.4.2-12 skip-checks: true	2022-06-13 05:15:51 +00:00
Jaco	16951c6feb	Bump 3rd-party deps	2022-06-13 08:11:43 +03:00
github-actions[bot]	22aa8d7adb	[CI Skip] release/beta 9.4.2-11 skip-checks: true	2022-06-12 08:16:35 +00:00
Jaco	dfaf954f75	Update issue template (#1530 )	2022-06-12 11:12:07 +03:00
github-actions[bot]	78911607e8	[CI Skip] release/beta 9.4.2-10 skip-checks: true	2022-06-12 06:15:23 +00:00
Jaco	cdcc331e6e	Additional internal comments for exposed functions (#1529 )	2022-06-12 09:11:12 +03:00
github-actions[bot]	882b29eebd	[CI Skip] release/beta 9.4.2-9 skip-checks: true	2022-06-11 20:37:42 +00:00
Jaco	de5c9a1594	Inline function for min/max creator (#1528 )	2022-06-11 23:33:42 +03:00
github-actions[bot]	2fc26b5533	[CI Skip] release/beta 9.4.2-8 skip-checks: true	2022-06-11 15:21:18 +00:00
Jaco	6d795ecc5d	Shared helper function for bn/bi min/max compares (#1527 ) * Shared helper function for bn/bi min/max compares * min/max test	2022-06-11 18:17:21 +03:00
github-actions[bot]	a0c3aa3059	[CI Skip] release/beta 9.4.2-7 skip-checks: true	2022-06-11 14:32:46 +00:00
Jaco	e30bac1ed6	Test for sqrt(MAX_SAFE_INT) (w/ comments for excluded functions) (#1526 ) * Test for sqrt(MAX_SAFE_INT) (w/ comments for excluded functions) * Adjust {bi, bn}{Max, Min} with factory	2022-06-11 17:28:55 +03:00
github-actions[bot]	50a061eab3	[CI Skip] release/beta 9.4.2-6 skip-checks: true	2022-06-11 07:52:58 +00:00
Jaco	f2064f059f	Additional @internal markers (#1525 )	2022-06-11 10:48:51 +03:00
github-actions[bot]	768cd68146	[CI Skip] release/beta 9.4.2-5 skip-checks: true	2022-06-11 05:43:44 +00:00
Jaco	0a5bfdca5e	Bump deps (& issue template) (#1524 )	2022-06-11 08:39:52 +03:00
github-actions[bot]	3ec2f6dcb2	[CI Skip] release/beta 9.4.2-4 skip-checks: true	2022-06-10 11:53:05 +00:00
Jaco	0f2a3a142f	CHANGELOG (#1523 )	2022-06-10 14:48:56 +03:00
github-actions[bot]	6f5a706ec9	[CI Skip] release/beta 9.4.2-3 skip-checks: true	2022-06-10 10:56:44 +00:00
pan	7e0f917c2b	update bifrost genesis hash (#1521 )	2022-06-10 13:52:50 +03:00
github-actions[bot]	99731a6664	[CI Skip] release/beta 9.4.2-2 skip-checks: true	2022-06-07 06:02:06 +00:00
Jaco	7765476a26	Use bitwise not as Math.floor replacement (#1518 ) * Use bitwise not as Math.floor replacement * No objectSpread in extractTime * Flatten extractTime calls	2022-06-07 08:58:11 +03:00
github-actions[bot]	2cd9633afe	[CI Skip] release/beta 9.4.2-1 skip-checks: true	2022-06-07 05:47:38 +00:00
Jaco	72749d083f	Bump deps (#1519 )	2022-06-07 08:43:50 +03:00
github-actions[bot]	9ede85f99a	[CI Skip] release/beta 9.4.2-0 skip-checks: true	2022-06-06 06:00:31 +00:00
Carlo SalaandJaco	d6a390beb4	add Composable support for ledger (#1515 ) * fix(networks): move centrifuge to new parachain chain * feat: add composable support for ledger * Update packages/networks/src/defaults/genesis.ts Co-authored-by: Jaco <jacogr@gmail.com>	2022-06-06 08:55:46 +03:00
github-actions[bot]	a14bec79f8	[CI Skip] release/stable 9.4.1 skip-checks: true	2022-06-04 05:10:26 +00:00
Jaco	c0de5ac3c8	9.4.1 (#1514 )	2022-06-04 08:05:32 +03:00
github-actions[bot]	8d7f810556	[CI Skip] release/beta 9.3.2-4 skip-checks: true	2022-06-04 04:48:08 +00:00
Jaco	5c6526a6bd	Bump deps (#1513 )	2022-06-04 07:44:30 +03:00
github-actions[bot]	e9635ab75b	[CI Skip] release/beta 9.3.2-3 skip-checks: true	2022-06-03 15:57:54 +00:00
Jaco	e946243b6f	Additional performance tests (#1512 )	2022-06-03 18:53:57 +03:00
github-actions[bot]	ca6a4177b5	[CI Skip] release/beta 9.3.2-2 skip-checks: true	2022-06-03 07:24:22 +00:00
Jaco	7817311f84	Bump dev deps (#1511 )	2022-06-03 10:20:26 +03:00
github-actions[bot]	77659aae2a	[CI Skip] release/beta 9.3.2-1 skip-checks: true	2022-06-01 05:18:41 +00:00
Jaco	7cc619fbb0	Add nextTick (#1510 ) * Add nextTick * ss58Registry test results	2022-06-01 08:14:42 +03:00
github-actions[bot]	887654049e	[CI Skip] release/beta 9.3.2-0 skip-checks: true	2022-05-30 07:51:32 +00:00
Jaco	d07b79f578	Bump TS (#1508 ) * Bump TS * Override	2022-05-30 10:46:38 +03:00