Initial rebrand: @polkadot -> @pezkuwi (14 packages)

- Package namespace: @polkadot/* -> @pezkuwi/*
- Repository: polkadot-js/common -> pezkuwichain/pezkuwi-common
- Author: Pezkuwi Team <team@pezkuwichain.io>

Core packages:
- @pezkuwi/util (utilities)
- @pezkuwi/util-crypto (crypto primitives)
- @pezkuwi/keyring (account management)
- @pezkuwi/networks (chain metadata)
- @pezkuwi/hw-ledger (Ledger hardware wallet)
- @pezkuwi/x-* (10 polyfill packages)

Total: 14 packages
Upstream: polkadot-js/common v14.0.1

packages/util/src/float/index.ts

@@ -0,0 +1,4 @@
+// Copyright 2017-2025 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export { floatToU8a } from './toU8a.js';

packages/util/src/float/toU8a.spec.ts

@@ -0,0 +1,52 @@
+// Copyright 2017-2025 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/// <reference types="@polkadot/dev-test/globals.d.ts" />
+
+import { u8aToHex } from '../u8a/index.js';
+import { floatToU8a } from './index.js';
+
+class ExtNumber extends Number {
+  foo = 'bar';
+}
+
+class ExtString extends String {
+  foo = 'bar';
+}
+
+// NOTE Hex value outputs created via online conversion tool:
+// https://www.h-schmidt.net/FloatConverter/IEEE754.html
+// eslint-disable-next-line @typescript-eslint/ban-types
+const TESTS: [isLe: boolean | undefined, bitLength: 32 | 64 | undefined, input: String | string | number | Number, output: string][] = [
+  [undefined, undefined, +0.0, '0x00000000'],
+  [undefined, undefined, -0.0, '0x00000080'],
+  [undefined, undefined, 123.456, '0x79e9f642'],
+  [undefined, undefined, '123.456', '0x79e9f642'],
+  [undefined, undefined, new ExtNumber(123.456), '0x79e9f642'],
+  [undefined, undefined, new ExtString(123.456), '0x79e9f642'],
+  [true, 32, new ExtString(123.456), '0x79e9f642'],
+  [true, undefined, Number.NaN, '0x0000c07f'],
+  [false, undefined, -0.0, '0x80000000'],
+  [undefined, 64, +0.0, '0x0000000000000000'],
+  [true, 64, -0.0, '0x0000000000000080'],
+  [false, 64, -0.0, '0x8000000000000000'],
+  [undefined, 64, Number.NaN, '0x000000000000f87f']
+];
+
+describe('floatToU8a', (): void => {
+  it('throws on invalid bitLength', (): void => {
+    expect(
+      () => floatToU8a(123, { bitLength: 48 as 32 })
+    ).toThrow();
+  });
+
+  describe('conversion tests', (): void => {
+    TESTS.forEach(([isLe, bitLength, input, output], i): void => {
+      it(`#${i}: correctly encodes ${typeof input === 'number' ? input : input.toString()} (typeof=${typeof input})`, (): void => {
+        expect(
+          u8aToHex(floatToU8a(input, { bitLength, isLe }))
+        ).toEqual(output);
+      });
+    });
+  });
+});

packages/util/src/float/toU8a.ts

@@ -0,0 +1,30 @@
+// Copyright 2017-2025 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+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)
+ */
+// eslint-disable-next-line @typescript-eslint/ban-types
+export function floatToU8a (value: String | string | number | Number = 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;
+}