@exromany/lido-csm-sdk/dist/esm/deposit-data-sdk/validate/check-duplicates.js

[](https://github.com/lidofinance/lido-csm-sdk/blob/main/LICENSE.txt) [](h

import { appendError } from './append-error.js';
export const checkDuplicates = (depositData, errors) => {
    depositData.forEach((data, index) => {
        const count = depositData.reduce((count, { pubkey }) => (data.pubkey === pubkey ? count + 1 : count), 0);
        if (count > 1) {
            appendError(errors, index, `pubkey is duplicated in deposit data`);
        }
    });
};
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