@tristeroresearch/mach-sdk/dist/utils/findLayerZeroChainIdFromAsset.util.js

A TypeScript SDK for integrating with Mach's API.

import { Constants } from '../constants/index.js';
import { networks } from '../constants/networks.js';
/**
 * A helper function to find the lz id from an asset
 * @param dstAsset - The asset to find the lz id for
 * @returns The lz id
 */
export const findLayerZeroChainIdFromAsset = (dstAsset) => {
    //loop through chains to find the chain with the asset
    let lzChain;
    for (const chain in Constants.tokens) {
        //skip convenience chain names that don't have the full chain name in them
        if (!chain.includes('ASSETS'))
            continue;
        const assets = Constants.tokens[chain];
        for (const asset in assets)
            if (assets[asset].address === dstAsset)
                //chain is of the form "ARBITRUM_ASSETS"
                lzChain = chain.split('_')[0].toLowerCase();
    }
    if (!lzChain)
        return null;
    for (const chain in networks)
        if (chain === lzChain)
            return networks[chain].lz_id;
    return null;
};