Parameters

filter ID

string

REQUIRED

The filter id that is returned from eth_newFilter, eth_newBlockFilter

Returns

array

An array of one of the following, depending on the filter type, or empty if there were no changes since the last poll:

eth_newBlockFilter

array

blockHash

array

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

eth_newBlockFilter

array

address

array

An address from which this log originated

topics

array

An array of zero to four 32 Bytes DATA of indexed log arguments. In Solidity, the first topic is the hash of the signature of the event (e.g. Deposit(address, bytes32, uint256)), except you declare the event with the anonymous specifier

data

array

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

blockNumber

array

The block number where this log was in. null when its a pending log

transactionHash

array

The hash of the transactions this log was created from. null when its a pending log

transactionIndex

array

The integer of the transaction's index position that the log was created from. null when it's a pending log

blockHash

array

The hash of the block where this log was in. null when its a pending log

logIndex

array

The integer of the log index position in the block. null when it's a pending log

removed

array

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.moca-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.moca-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.moca-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.moca-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.moca-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.moca-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": ["YOUR_FILTER_ID"],
7
  "id": 1,
8
  "jsonrpc": "2.0"
9
});
10

11
var requestOptions = {
12
  method: 'POST',
13
  headers: myHeaders,
14
  body: raw,
15
  redirect: 'follow'
16
};
17

18
fetch("https://docs-demo.moca-testnet.quiknode.pro/", requestOptions)
19
  .then(response => response.text())
20
  .then(result => console.log(result))
21
  .catch(error => console.log('error', error));
22

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

4
var raw = JSON.stringify({
5
  "method": "eth_getFilterChanges",
6
  "params": ["YOUR_FILTER_ID"],
7
  "id": 1,
8
  "jsonrpc": "2.0"
9
});
10

11
var requestOptions = {
12
  method: 'POST',
13
  headers: myHeaders,
14
  body: raw,
15
  redirect: 'follow'
16
};
17

18
fetch("https://docs-demo.moca-testnet.quiknode.pro/", requestOptions)
19
  .then(response => response.text())
20
  .then(result => console.log(result))
21
  .catch(error => console.log('error', error));
22

1
import requests
2
import json
3

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

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

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)
19

1
import requests
2
import json
3

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

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

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)
19

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

5
url = URI("https://docs-demo.moca-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": ["YOUR_FILTER_ID"],
15
  "id": 1,
16
  "jsonrpc": "2.0"
17
})
18

19
response = https.request(request)
20
puts response.read_body
21

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

5
url = URI("https://docs-demo.moca-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": ["YOUR_FILTER_ID"],
15
  "id": 1,
16
  "jsonrpc": "2.0"
17
})
18

19
response = https.request(request)
20
puts response.read_body
21

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.moca-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.moca-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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