eth_getFilterChanges RPC Method

Parameters

filter ID

string

REQUIRED

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Returns

array

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eth_newBlockFilter

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blockHash

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eth_newPendingTransactionFilter

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transactionHash

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eth_newFilter

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address

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topics

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data

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blockNumber

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transactionHash

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transactionIndex

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blockHash

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logIndex

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removed

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Request

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curl https://docs-demo.fantom.quiknode.pro/ \
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  -X POST \
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  -H "Content-Type: application/json" \
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  --data '{"method":"eth_getFilterChanges","params":["YOUR_FILTER_ID"],"id":1,"jsonrpc":"2.0"}'
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curl https://docs-demo.fantom.quiknode.pro/ \
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  -X POST \
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  -H "Content-Type: application/json" \
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  --data '{"method":"eth_getFilterChanges","params":["YOUR_FILTER_ID"],"id":1,"jsonrpc":"2.0"}'
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1
require 'eth'
2

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

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require 'eth'
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client = Eth::Client.create 'https://docs-demo.fantom.quiknode.pro/'
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payload = {
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    "jsonrpc": "2.0",
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    "method": "eth_getFilterChanges",
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    "params": ["YOUR_FILTER_ID"],
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    "id": "1"
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}
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response = client.send(payload.to_json)
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puts response

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import { ethers } from "ethers";
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(async () => {
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  const provider = new ethers.JsonRpcProvider("https://docs-demo.fantom.quiknode.pro/");
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  const logs = await provider.send("eth_getFilterChanges", ["YOUR_FILTER_ID"]);
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  console.log(logs);
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})();
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1
import { ethers } from "ethers";
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(async () => {
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  const provider = new ethers.JsonRpcProvider("https://docs-demo.fantom.quiknode.pro/");
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  const logs = await provider.send("eth_getFilterChanges", ["YOUR_FILTER_ID"]);
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  console.log(logs);
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})();
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var myHeaders = new Headers();
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myHeaders.append("Content-Type", "application/json");
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var raw = JSON.stringify({
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  "method": "eth_getFilterChanges",
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  "params": [
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    "YOUR_FILTER_ID"
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  ],
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  "id": 1,
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  "jsonrpc": "2.0"
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});
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var requestOptions = {
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  method: 'POST',
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  headers: myHeaders,
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  body: raw,
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  redirect: 'follow'
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};
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fetch("https://docs-demo.fantom.quiknode.pro/", requestOptions)
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  .then(response => response.text())
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  .then(result => console.log(result))
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  .catch(error => console.log('error', error));
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var myHeaders = new Headers();
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myHeaders.append("Content-Type", "application/json");
3

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var raw = JSON.stringify({
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  "method": "eth_getFilterChanges",
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  "params": [
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    "YOUR_FILTER_ID"
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  ],
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  "id": 1,
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  "jsonrpc": "2.0"
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});
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var requestOptions = {
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  method: 'POST',
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  headers: myHeaders,
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  body: raw,
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  redirect: 'follow'
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};
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fetch("https://docs-demo.fantom.quiknode.pro/", requestOptions)
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  .then(response => response.text())
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  .then(result => console.log(result))
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  .catch(error => console.log('error', error));
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import requests
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import json
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url = "https://docs-demo.fantom.quiknode.pro/"
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payload = json.dumps({
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  "method": "eth_getFilterChanges",
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  "params": [
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    "YOUR_FILTER_ID"
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  ],
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  "id": 1,
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  "jsonrpc": "2.0"
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})
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headers = {
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  'Content-Type': 'application/json'
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}
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response = requests.request("POST", url, headers=headers, data=payload)
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print(response.text)
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import requests
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import json
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url = "https://docs-demo.fantom.quiknode.pro/"
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payload = json.dumps({
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  "method": "eth_getFilterChanges",
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  "params": [
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    "YOUR_FILTER_ID"
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  ],
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  "id": 1,
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  "jsonrpc": "2.0"
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})
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headers = {
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  'Content-Type': 'application/json'
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}
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response = requests.request("POST", url, headers=headers, data=payload)
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print(response.text)
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require "uri"
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require "json"
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require "net/http"
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url = URI("https://docs-demo.fantom.quiknode.pro/")
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https = Net::HTTP.new(url.host, url.port)
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https.use_ssl = true
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request = Net::HTTP::Post.new(url)
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request["Content-Type"] = "application/json"
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request.body = JSON.dump({
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  "method": "eth_getFilterChanges",
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  "params": [
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    "YOUR_FILTER_ID"
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  ],
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  "id": 1,
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  "jsonrpc": "2.0"
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})
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response = https.request(request)
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puts response.read_body
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1
require "uri"
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require "json"
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require "net/http"
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url = URI("https://docs-demo.fantom.quiknode.pro/")
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https = Net::HTTP.new(url.host, url.port)
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https.use_ssl = true
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request = Net::HTTP::Post.new(url)
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request["Content-Type"] = "application/json"
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request.body = JSON.dump({
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  "method": "eth_getFilterChanges",
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  "params": [
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    "YOUR_FILTER_ID"
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  ],
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  "id": 1,
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  "jsonrpc": "2.0"
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})
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response = https.request(request)
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puts response.read_body
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from web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.fantom.quiknode.pro/'))
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put_filter = w3.eth.filter('YOUR_FILTER_ID')
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print(w3.eth.get_filter_changes(put_filter.filter_id))

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

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import { Core } from '@quicknode/sdk'
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const core = new Core({
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  endpointUrl: "https://docs-demo.fantom.quiknode.pro/",
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})
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/**
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 * Can listen for filter changes on filters created with the following functions
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 * createBlockFilter
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 * createContractEventFilter
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 * createEventFilter
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 * createPendingTransactionFilter
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 */
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async(() => {
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  const filter = await core.client.createBlockFilter()
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  const hashes = await core.client.getFilterChanges({ filter })
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})()
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1
import { Core } from '@quicknode/sdk'
2

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const core = new Core({
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  endpointUrl: "https://docs-demo.fantom.quiknode.pro/",
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})
6

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