@polkadot/util-crypto#keyExtractPath TypeScript Examples

The following examples show how to use @polkadot/util-crypto#keyExtractPath. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: Derive.tsx    From crust-apps with Apache License 2.0 6 votes vote down vote up 
function deriveValidate (suri: string, pairType: KeypairType): string | null {
  if (suri.includes('///')) {
    return 'Password paths are not supported on keys derived from others';
  }

  try {
    const { path } = keyExtractPath(suri);

    // we don't allow soft for ed25519
    if (pairType === 'ed25519' && path.some(({ isSoft }): boolean => isSoft)) {
      return 'Soft derivation paths are not allowed on ed25519';
    }
  } catch (error) {
    console.error(error);

    return (error as Error).message;
  }

  return null;
}