| 1 | import { isU8a, u8aToU8a } from '@polkadot/util';
|
| 2 | import { sr25519DerivePublicSoft } from '@polkadot/wasm-crypto';
|
| 3 | export function sr25519DerivePublic(publicKey, chainCode) {
|
| 4 | const publicKeyU8a = u8aToU8a(publicKey);
|
| 5 | if (!isU8a(chainCode) || chainCode.length !== 32) {
|
| 6 | throw new Error('Invalid chainCode passed to derive');
|
| 7 | }
|
| 8 | else if (publicKeyU8a.length !== 32) {
|
| 9 | throw new Error(`Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);
|
| 10 | }
|
| 11 | return sr25519DerivePublicSoft(publicKeyU8a, chainCode);
|
| 12 | }
|