@dappnode/dappnodesdk/dist/utils/tryEthProviders.js

dappnodesdk is a tool to make the creation of new dappnode packages as simple as possible. It helps to initialize and publish in ethereum blockchain

import { verifyEthConnection } from "./verifyEthConnection.js";
/**
 * Tries to connect to Ethereum providers in the order they appear in the input array.
 * Logs error messages and fallback attempts for each failed provider.
 * @param {string[]} providers - An array of Ethereum provider names (e.g., ['dappnode', 'infura']).
 * @returns {Promise<string>} A promise that resolves to the first successfully connected provider's name
 * or an empty string if none of the providers could be connected.
 */
export async function getFirstAvailableEthProvider({ providers }) {
    for (const provider of providers) {
        try {
            await verifyEthConnection(provider);
            console.log(`Connected to ${provider} eth provider`);
            return provider;
        }
        catch (e) {
            console.log(`Error connecting to ${provider} ethProvider: ${e.message}`);
        }
    }
    return undefined;
}
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