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Текущая директория: /opt/BitGoJS/node_modules/@polkadot/util-crypto/address
Просмотр файла: derive.js
import { keyExtractPath } from '../key/index.js';
import { sr25519DerivePublic } from '../sr25519/index.js';
import { decodeAddress } from './decode.js';
import { encodeAddress } from './encode.js';
function filterHard({ isHard }) {
return isHard;
}
/**
* @name deriveAddress
* @summary Creates a sr25519 derived address from the supplied and path.
* @description
* Creates a sr25519 derived address based on the input address/publicKey and the uri supplied.
*/
export function deriveAddress(who, suri, ss58Format) {
const { path } = keyExtractPath(suri);
if (!path.length || path.every(filterHard)) {
throw new Error('Expected suri to contain a combination of non-hard paths');
}
let publicKey = decodeAddress(who);
for (const { chainCode } of path) {
publicKey = sr25519DerivePublic(publicKey, chainCode);
}
return encodeAddress(publicKey, ss58Format);
}
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