JavaScript (Node.js)

node-fetch

1

In your project folder, install the node-fetch package using npm:

npm i node-fetch

2

Create a JavaScript file called index.js:

import fetch from "node-fetch"

const url = "https://rpc.testnet.tryradi.us/<YOUR-RPC-ENDPOINT>"

fetch(url, {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    jsonrpc: "2.0",
    method: "eth_blockNumber",
    params: [],
    id: 1,
  }),
})
  .then((response) => response.json())
  .then((data) => {
    console.log(data)
  })
  .catch((error) => {
    console.error(error)
  })

3

Run the code using the following command:

node index.js

axios

1

In your project folder, install the axios package using npm:

npm i axios

2

Create a JavaScript file called index.js:

import axios from "axios"

const url = "https://rpc.testnet.tryradi.us/<YOUR-RPC-ENDPOINT>"

axios
  .post(url, {
    jsonrpc: "2.0",
    method: "eth_blockNumber",
    params: [],
    id: 1,
  })
  .then((response) => {
    console.log(response.data)
  })
  .catch((error) => {
    console.error(error)
  })

3

Run the code using the following command:

node index.js

ethers

1

In your project folder, install the ethers package using npm:

npm i ethers

2

Create a JavaScript file called index.js:

import { ethers } from "ethers"

const url = "https://rpc.testnet.tryradi.us/<YOUR-RPC-ENDPOINT>"
const provider = new ethers.JsonRpcProvider(url)

provider
  .getBlockNumber()
  .then((blockNumber) => {
    console.log(blockNumber)
  })
  .catch((error) => {
    console.error(error)
  })

3

Run the code using the following command:

node index.js

web3

1

In your project folder, install the web3 package using npm:

npm i web3

2

Create a JavaScript file called index.js:

import { Web3 } from "web3"

const url = "https://rpc.testnet.tryradi.us/<YOUR-RPC-ENDPOINT>"
const provider = new Web3.providers.HttpProvider(url)
const web3 = new Web3(provider)

web3.eth.getBlockNumber().then((blockNumber) => {
    console.log(blockNumber)
})

3

Run the code using the following command:

node index.js

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