@iexec/dataprotector/dist/src/utils/getMultiaddrAsString.js

This product enables users to confidentially store data–such as mail address, documents, personal information ...

import { multiaddr } from '@multiformats/multiaddr';
/**
 * Convert an hex string to a readable string
 * Ex:
 *  "0xa50322122038d76d7059153e707cd0951cf2ff64d17f69352a285503800c7787c3af0c63dd"
 * to
 *  "/p2p/QmSAY4mYRkCvdDzcD3A3sDeN5nChyn82p88xt7HhYHqXfi"
 */
export function getMultiaddrAsString({ multiaddrAsHexString, }) {
    if (!multiaddrAsHexString || multiaddrAsHexString.length < 3) {
        return undefined;
    }
    const multiAddrAsBytesArray = multiaddrAsHexString
        .slice(2)
        .match(/.{1,2}/g)
        ?.map((byte) => parseInt(byte, 16));
    if (!multiAddrAsBytesArray) {
        return undefined;
    }
    try {
        const multiaddrAsBytes = new Uint8Array(multiAddrAsBytesArray);
        const decodedMultiaddr = multiaddr(multiaddrAsBytes);
        return decodedMultiaddr.toString();
    }
    catch (err) {
        console.warn(`[getMultiaddrAsString] ERROR: "${multiaddrAsHexString}" is not a valid hex input string?`, err);
        return undefined;
    }
}
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