Parameters

filter ID

string

REQUIRED

The filter id that is returned from eth_newFilter, eth_newBlockFilter

Returns

array

array

An array of block hashes (eth_newBlockFilter), log objects (eth_newFilter), or empty if there were no changes since the last poll:

eth_newBlockFilter

object

blockHash

string

The 32 byte hash of a block that meets your filter requirements

eth_newFilter

object

address

string

An address from which this log originated

topics

array

An array of zero to four 32 Bytes DATA of indexed log arguments

data

string

It contains one or more 32 Bytes non-indexed arguments of the log

blockNumber

string

The block number where this log was in

transactionHash

string

The hash of the transactions this log was created from

transactionIndex

string

The integer of the transaction's index position that the log was created from

blockHash

string

The hash of the block where this log was in

blockTimestamp

string

The timestamp of the block containing this log, encoded as a hexadecimal value

logIndex

string

The integer of the log index position in the block

removed

boolean

It is true when the log was removed due to a chain reorganization, and false if it's a valid log

Request

1
curl https://docs-demo.hedera-testnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"method":"eth_getFilterChanges","params":["YOUR_FILTER_ID"],"id":1,"jsonrpc":"2.0"}'

1
curl https://docs-demo.hedera-testnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"method":"eth_getFilterChanges","params":["YOUR_FILTER_ID"],"id":1,"jsonrpc":"2.0"}'

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.hedera-testnet.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "eth_getFilterChanges",
7
    "params": ["YOUR_FILTER_ID"],
8
    "id": "1"
9
}
10

11
response = client.send(payload.to_json)
12
puts response

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.hedera-testnet.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "eth_getFilterChanges",
7
    "params": ["YOUR_FILTER_ID"],
8
    "id": "1"
9
}
10

11
response = client.send(payload.to_json)
12
puts response

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider("https://docs-demo.hedera-testnet.quiknode.pro/");
4
  const logs = await provider.send("eth_getFilterChanges", ["YOUR_FILTER_ID"]);
5
  console.log(logs);
6
})();

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider("https://docs-demo.hedera-testnet.quiknode.pro/");
4
  const logs = await provider.send("eth_getFilterChanges", ["YOUR_FILTER_ID"]);
5
  console.log(logs);
6
})();

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
  ],
9
  "id": 1,
10
  "jsonrpc": "2.0"
11
});
12

13
var requestOptions = {
14
  method: 'POST',
15
  headers: myHeaders,
16
  body: raw,
17
  redirect: 'follow'
18
};
19

20
fetch("https://docs-demo.hedera-testnet.quiknode.pro/", requestOptions)
21
  .then(response => response.text())
22
  .then(result => console.log(result))
23
  .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
  ],
9
  "id": 1,
10
  "jsonrpc": "2.0"
11
});
12

13
var requestOptions = {
14
  method: 'POST',
15
  headers: myHeaders,
16
  body: raw,
17
  redirect: 'follow'
18
};
19

20
fetch("https://docs-demo.hedera-testnet.quiknode.pro/", requestOptions)
21
  .then(response => response.text())
22
  .then(result => console.log(result))
23
  .catch(error => console.log('error', error));
24

1
import requests
2
import json
3

4
url = "https://docs-demo.hedera-testnet.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
import requests
2
import json
3

4
url = "https://docs-demo.hedera-testnet.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.hedera-testnet.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.hedera-testnet.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.hedera-testnet.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.hedera-testnet.quiknode.pro/'))
3
put_filter = w3.eth.filter('YOUR_FILTER_ID')
4
print(w3.eth.get_filter_changes(put_filter.filter_id))

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