eth_getFilterChanges RPC Method

Parameters

filterID

string

REQUIRED

Returns

array

eth_newBlockFilter

blockHash

eth_newPendingTransactionFilter

transactionHash

eth_newFilter

address

topics

data

blockNumber

transactionHash

transactionIndex

blockHash

logIndex

removed

Request

curl https://docs-demo.quiknode.pro/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"method":"eth_getFilterChanges","params":["YOUR_FILTER_ID"],"id":1,"jsonrpc":"2.0"}'

require 'eth'

client = Eth::Client.create 'https://docs-demo.quiknode.pro/'
payload = {
    "jsonrpc": "2.0",
    "method": "eth_getFilterChanges",
    "params": ["YOUR_FILTER_ID"],
    "id": "1"
}

response = client.send(payload.to_json)
puts response

import { ethers } from "ethers";
(async () => {
  const provider = new ethers.JsonRpcProvider("https://docs-demo.quiknode.pro/");
  const logs = await provider.send("eth_getFilterChanges", ["YOUR_FILTER_ID"]);
  console.log(logs);
})();

var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");

var raw = JSON.stringify({
  "method": "eth_getFilterChanges",
  "params": [
    "YOUR_FILTER_ID"
  ],
  "id": 1,
  "jsonrpc": "2.0"
});

var requestOptions = {
  method: 'POST',
  headers: myHeaders,
  body: raw,
  redirect: 'follow'
};

fetch("https://docs-demo.quiknode.pro/", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

import requests
import json

url = "https://docs-demo.quiknode.pro/"

payload = json.dumps({
  "method": "eth_getFilterChanges",
  "params": [
    "YOUR_FILTER_ID"
  ],
  "id": 1,
  "jsonrpc": "2.0"
})
headers = {
  'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

require "uri"
require "json"
require "net/http"

url = URI("https://docs-demo.quiknode.pro/")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "method": "eth_getFilterChanges",
  "params": [
    "YOUR_FILTER_ID"
  ],
  "id": 1,
  "jsonrpc": "2.0"
})

response = https.request(request)
puts response.read_body

from web3 import Web3, HTTPProvider
w3 = Web3(HTTPProvider('https://docs-demo.quiknode.pro/'))
put_filter = w3.eth.filter('YOUR_FILTER_ID')
print(w3.eth.get_filter_changes(put_filter.filter_id))

import { Core } from '@quicknode/sdk'

const core = new Core({
  endpointUrl: "https://docs-demo.quiknode.pro/",
})

/**
 * Can listen for filter changes on filters created with the following functions
 * createBlockFilter
 * createContractEventFilter
 * createEventFilter
 * createPendingTransactionFilter
 */
async(() => {
  const filter = await core.client.createBlockFilter()
  const hashes = await core.client.getFilterChanges({ filter })
})()

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "blockHash": "0x97b49e43632ac70c46b4003434058b18db0ad809617bd29f3448d46ca9085576",
      "blockNumber": "0xc5043f",
      "data": "0x000000000000000000000000000000000000000000000000058d15e176280000",
      "logIndex": "0x0",
      "removed": false,
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x0000000000000000000000008894e0a0c962cb723c1976a4421c95949be2d4e3",
        "0x0000000000000000000000002c46b28e4bac6b0188baf722f17f5f36e2170330"
      ],
      "transactionHash": "0xf79d96d5f3d5c82088cd79ad5fc5c5bbe9c8c805221e30041133b69b49162866",
      "transactionIndex": "0x0"
    },
    {
      "address": "0x5c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f",
      "blockHash": "0x97b49e43632ac70c46b4003434058b18db0ad809617bd29f3448d46ca9085576",
      "blockNumber": "0xc5043f",
      "data": "0x000000000000000000000000f7ae43fabe91b091e3bae07d91b5c8758e97c12b00000000000000000000000081b7e08f65bdf5648606c89998a9cc8164397647",
      "logIndex": "0x1",
      "removed": false,
      "topics": [
        "0x0d3648bd0f6ba80134a33ba9275ac585d9d315f0ad8355cddefde31afa28d0e9",
        "0x000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
        "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"
      ],
      "transactionHash": "0x950395ad0360cb32373c86cc9ff0169cc2aaaa04f9dd42a3ab6aa8b47d3cb2cf",
      "transactionIndex": "0x1"
    }
  ]
}

Don't have an account yet?

Create your QuickNode endpoint in seconds and start building

Get started for free

eth_getFilterChanges RPC Method

Loading...

Parameters

Returns