eth_getFilterChanges RPC Method

Parameters

filterID

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

1
curl https://docs-demo.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
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  --data '{"method":"eth_getFilterChanges","params":["YOUR_FILTER_ID"],"id":1,"jsonrpc":"2.0"}'
5

1
curl https://docs-demo.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
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  --data '{"method":"eth_getFilterChanges","params":["YOUR_FILTER_ID"],"id":1,"jsonrpc":"2.0"}'
5

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "eth_getFilterChanges",
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    "params": ["YOUR_FILTER_ID"],
8
    "id": "1"
9
}
10

11
response = client.send(payload.to_json)
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puts response

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.quiknode.pro/'
4
payload = {
5
    "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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}
10

11
response = client.send(payload.to_json)
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puts response

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider("https://docs-demo.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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})();
7

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider("https://docs-demo.quiknode.pro/");
4
  const logs = await provider.send("eth_getFilterChanges", ["YOUR_FILTER_ID"]);
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  console.log(logs);
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})();
7

1
var myHeaders = new Headers();
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myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "method": "eth_getFilterChanges",
6
  "params": [
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    "YOUR_FILTER_ID"
8
  ],
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  "id": 1,
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  "jsonrpc": "2.0"
11
});
12

13
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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};
19

20
fetch("https://docs-demo.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));
24

1
var myHeaders = new Headers();
2
myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "method": "eth_getFilterChanges",
6
  "params": [
7
    "YOUR_FILTER_ID"
8
  ],
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  "id": 1,
10
  "jsonrpc": "2.0"
11
});
12

13
var requestOptions = {
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  method: 'POST',
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  headers: myHeaders,
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  body: raw,
17
  redirect: 'follow'
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};
19

20
fetch("https://docs-demo.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));
24

1
import requests
2
import json
3

4
url = "https://docs-demo.quiknode.pro/"
5

6
payload = json.dumps({
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  "method": "eth_getFilterChanges",
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  "params": [
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    "YOUR_FILTER_ID"
10
  ],
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  "id": 1,
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  "jsonrpc": "2.0"
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)
21

1
import requests
2
import json
3

4
url = "https://docs-demo.quiknode.pro/"
5

6
payload = json.dumps({
7
  "method": "eth_getFilterChanges",
8
  "params": [
9
    "YOUR_FILTER_ID"
10
  ],
11
  "id": 1,
12
  "jsonrpc": "2.0"
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)
21

1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.quiknode.pro/")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "method": "eth_getFilterChanges",
14
  "params": [
15
    "YOUR_FILTER_ID"
16
  ],
17
  "id": 1,
18
  "jsonrpc": "2.0"
19
})
20

21
response = https.request(request)
22
puts response.read_body
23

1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.quiknode.pro/")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "method": "eth_getFilterChanges",
14
  "params": [
15
    "YOUR_FILTER_ID"
16
  ],
17
  "id": 1,
18
  "jsonrpc": "2.0"
19
})
20

21
response = https.request(request)
22
puts response.read_body
23

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.quiknode.pro/'))
3
put_filter = w3.eth.filter('YOUR_FILTER_ID')
4
print(w3.eth.get_filter_changes(put_filter.filter_id))

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.quiknode.pro/'))
3
put_filter = w3.eth.filter('YOUR_FILTER_ID')
4
print(w3.eth.get_filter_changes(put_filter.filter_id))

1
import { Core } from '@quicknode/sdk'
2

3
const core = new Core({
4
  endpointUrl: "https://docs-demo.quiknode.pro/",
5
})
6

7
/**
8
 * Can listen for filter changes on filters created with the following functions
9
 * createBlockFilter
10
 * createContractEventFilter
11
 * createEventFilter
12
 * createPendingTransactionFilter
13
 */
14
async(() => {
15
  const filter = await core.client.createBlockFilter()
16
  const hashes = await core.client.getFilterChanges({ filter })
17
})()
18

1
import { Core } from '@quicknode/sdk'
2

3
const core = new Core({
4
  endpointUrl: "https://docs-demo.quiknode.pro/",
5
})
6

7
/**
8
 * Can listen for filter changes on filters created with the following functions
9
 * createBlockFilter
10
 * createContractEventFilter
11
 * createEventFilter
12
 * createPendingTransactionFilter
13
 */
14
async(() => {
15
  const filter = await core.client.createBlockFilter()
16
  const hashes = await core.client.getFilterChanges({ filter })
17
})()
18

Response

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": [
5
    {
6
      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
7
      "blockHash": "0x97b49e43632ac70c46b4003434058b18db0ad809617bd29f3448d46ca9085576",
8
      "blockNumber": "0xc5043f",
9
      "data": "0x000000000000000000000000000000000000000000000000058d15e176280000",
10
      "logIndex": "0x0",
11
      "removed": false,
12
      "topics": [
13
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
14
        "0x0000000000000000000000008894e0a0c962cb723c1976a4421c95949be2d4e3",
15
        "0x0000000000000000000000002c46b28e4bac6b0188baf722f17f5f36e2170330"
16
      ],
17
      "transactionHash": "0xf79d96d5f3d5c82088cd79ad5fc5c5bbe9c8c805221e30041133b69b49162866",
18
      "transactionIndex": "0x0"
19
    },
20
    {
21
      "address": "0x5c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f",
22
      "blockHash": "0x97b49e43632ac70c46b4003434058b18db0ad809617bd29f3448d46ca9085576",
23
      "blockNumber": "0xc5043f",
24
      "data": "0x000000000000000000000000f7ae43fabe91b091e3bae07d91b5c8758e97c12b00000000000000000000000081b7e08f65bdf5648606c89998a9cc8164397647",
25
      "logIndex": "0x1",
26
      "removed": false,
27
      "topics": [
28
        "0x0d3648bd0f6ba80134a33ba9275ac585d9d315f0ad8355cddefde31afa28d0e9",
29
        "0x000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
30
        "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"
31
      ],
32
      "transactionHash": "0x950395ad0360cb32373c86cc9ff0169cc2aaaa04f9dd42a3ab6aa8b47d3cb2cf",
33
      "transactionIndex": "0x1"
34
    }
35
  ]
36
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": [
5
    {
6
      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
7
      "blockHash": "0x97b49e43632ac70c46b4003434058b18db0ad809617bd29f3448d46ca9085576",
8
      "blockNumber": "0xc5043f",
9
      "data": "0x000000000000000000000000000000000000000000000000058d15e176280000",
10
      "logIndex": "0x0",
11
      "removed": false,
12
      "topics": [
13
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
14
        "0x0000000000000000000000008894e0a0c962cb723c1976a4421c95949be2d4e3",
15
        "0x0000000000000000000000002c46b28e4bac6b0188baf722f17f5f36e2170330"
16
      ],
17
      "transactionHash": "0xf79d96d5f3d5c82088cd79ad5fc5c5bbe9c8c805221e30041133b69b49162866",
18
      "transactionIndex": "0x0"
19
    },
20
    {
21
      "address": "0x5c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f",
22
      "blockHash": "0x97b49e43632ac70c46b4003434058b18db0ad809617bd29f3448d46ca9085576",
23
      "blockNumber": "0xc5043f",
24
      "data": "0x000000000000000000000000f7ae43fabe91b091e3bae07d91b5c8758e97c12b00000000000000000000000081b7e08f65bdf5648606c89998a9cc8164397647",
25
      "logIndex": "0x1",
26
      "removed": false,
27
      "topics": [
28
        "0x0d3648bd0f6ba80134a33ba9275ac585d9d315f0ad8355cddefde31afa28d0e9",
29
        "0x000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
30
        "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"
31
      ],
32
      "transactionHash": "0x950395ad0360cb32373c86cc9ff0169cc2aaaa04f9dd42a3ab6aa8b47d3cb2cf",
33
      "transactionIndex": "0x1"
34
    }
35
  ]
36
}

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