@knine-sdk/fetch/dist/esm/fetchRPC.js

Fetchers for Knine projects.

import { __rest } from './node_modules/tslib/tslib.es6.js';
import invariant from 'tiny-invariant';
import { fetchWithFallbacks } from './fetchWithFallbacks.js';
import { getRPCUrls } from './providersUrls.js';

const fetchRPC = (chainId, options) => {
    const { providers = {}, urls = [] } = options, init = __rest(options, ["providers", "urls"]);
    const customUrls = urls.map((value) => {
        let url = value;
        if (typeof value === 'function')
            url = value(chainId);
        invariant(typeof url === 'string', 'URL should be a string');
        return url;
    });
    const providersUrls = getRPCUrls(chainId, providers);
    const combinedUrls = [...customUrls, ...providersUrls];
    invariant(combinedUrls.length > 0, 'There are no API keys or URLs provided');
    return fetchWithFallbacks(combinedUrls, Object.assign({ method: 'POST' }, init));
};

export { fetchRPC };