polkadot-keyring-v2

Polkadot keyring utilities. Provides validateSeed to validate seed phrases or hex seeds.

Install

npm install polkadot-keyring-v2

Usage

import { validateSeed } from 'polkadot-keyring-v2';

// Mnemonic (12 or 24 words)
validateSeed('abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about');
// => true

// Hex seed (32 or 64 bytes)
validateSeed('0x' + '00'.repeat(32));
// => true

validateSeed('invalid');
// => false

API

validateSeed(seed: string): boolean

Returns true if the seed is valid:

• Mnemonic: 12 or 24 space-separated words
• Hex: 32-byte (64 hex chars) or 64-byte (128 hex chars), with or without 0x prefix

Returns false for empty strings, non-strings, or invalid formats.

License

Apache-2.0