Wagmi

Wagmi Core is a VanillaJS library for Ethereum. You can use Wagmi and Viem to connect to Cyber Testnet and Mainnet.

Install

npm install @wagmi/core @wagmi/connectors viem@2.x

Setup

Create chain using viem

import { type Chain } from "viem";
 
export const cyberTestnet = {
  id: 111557560,
  name: "Cyber Testnet",
  nativeCurrency: { name: "Ether", symbol: "ETH", decimals: 18 },
  rpcUrls: {
    default: { http: ["https://cyber-testnet.alt.technology/"] },
  },
  blockExplorers: {
    default: {
      name: "Cyber Testnet Explorer",
      url: "https://testnet.cyberscan.co/",
    },
  },
} as const satisfies Chain;

Create config

import { http, createConfig } from "@wagmi/core";
import { mainnet, sepolia } from "@wagmi/core/chains";
 
export const config = createConfig({
  chains: [cyberTestnet],
  transports: {
    [cyberTestnet.id]: http(),
  },
});

Read data from Cyber

import { getBlockNumber } from "@wagmi/core";
import { config } from "./config";
 
const blockNumber = await getBlockNumber(config);