eth_newFilter RPC Method

To use the eth_newFilter method on the C-Chain, ensure that the end of your URL includes ext/bc/C/rpc.

Parameters

object

array

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fromBlock

string

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toBlock

string

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address

string

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topics

string

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Returns

result

string

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Request

1
curl https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc \
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  -X POST \
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  -H "Content-Type: application/json" \
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  --data '{"jsonrpc":"2.0","method":"eth_newFilter","params":[{"fromBlock": "0xe20360", "toBlock": "0xe20411", "address": "0x6b175474e89094c44da98b954eedeac495271d0f","topics": []}],"id":1}'

1
curl https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc \
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  -X POST \
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  -H "Content-Type: application/json" \
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  --data '{"jsonrpc":"2.0","method":"eth_newFilter","params":[{"fromBlock": "0xe20360", "toBlock": "0xe20411", "address": "0x6b175474e89094c44da98b954eedeac495271d0f","topics": []}],"id":1}'

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc'
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payload = {
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    "jsonrpc": "2.0",
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    "method": "eth_newFilter",
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    "params": [{"fromBlock": "0xe20360", "toBlock": "0xe20411", "address": "0x6b175474e89094c44da98b954eedeac495271d0f","topics": []}],
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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
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc'
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payload = {
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    "jsonrpc": "2.0",
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    "method": "eth_newFilter",
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    "params": [{"fromBlock": "0xe20360", "toBlock": "0xe20411", "address": "0x6b175474e89094c44da98b954eedeac495271d0f","topics": []}],
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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

1
import { ethers } from "ethers";
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const filter = {
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  fromBlock: "0xe20360",
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  toBlock: "0xe20411",
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  address: "0x6B175474E89094C44Da98b954EedeAC495271d0F",
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};
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(async () => {
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  const provider = new ethers.JsonRpcProvider(
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    "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc"
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  );
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  const filterId = await provider.send("eth_newFilter", [filter]);
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  console.log(filterId);
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})();
16

1
import { ethers } from "ethers";
2

3
const filter = {
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  fromBlock: "0xe20360",
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  toBlock: "0xe20411",
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  address: "0x6B175474E89094C44Da98b954EedeAC495271d0F",
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};
8

9
(async () => {
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  const provider = new ethers.JsonRpcProvider(
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    "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc"
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  );
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  const filterId = await provider.send("eth_newFilter", [filter]);
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  console.log(filterId);
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})();
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1
from web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc'))
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newFilterId = w3.eth.filter({
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  'fromBlock': "0xe20360",
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  'toBlock': "0xe20411",
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  'address': '0x6B175474E89094C44Da98b954EedeAC495271d0F'
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})
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print(newFilterId)
9

1
from web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc'))
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newFilterId = w3.eth.filter({
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  'fromBlock': "0xe20360",
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  'toBlock': "0xe20411",
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  'address': '0x6B175474E89094C44Da98b954EedeAC495271d0F'
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})
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print(newFilterId)
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1
const myHeaders = new Headers();
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myHeaders.append("Content-Type", "application/json");
3

4
const raw = JSON.stringify({
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  "jsonrpc": "2.0",
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  "method": "eth_newFilter",
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  "params": [
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    {
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      "fromBlock": "0xe20360",
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      "toBlock": "0xe20411",
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      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
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      "topics": []
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    }
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  ],
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  "id": 1
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});
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const 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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};
24

25
fetch("https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc", 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.error(error));

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

4
const raw = JSON.stringify({
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  "jsonrpc": "2.0",
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  "method": "eth_newFilter",
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  "params": [
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    {
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      "fromBlock": "0xe20360",
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      "toBlock": "0xe20411",
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      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
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      "topics": []
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    }
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  ],
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  "id": 1
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});
17

18
const 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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};
24

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fetch("https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc", 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.error(error));

1
import requests
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import json
3

4
url = "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc"
5

6
payload = json.dumps({
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  "jsonrpc": "2.0",
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  "method": "eth_newFilter",
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  "params": [
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    {
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      "fromBlock": "0xe20360",
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      "toBlock": "0xe20411",
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      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
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      "topics": []
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    }
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  ],
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  "id": 1
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})
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headers = {
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  'Content-Type': 'application/json'
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}
22

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response = requests.request("POST", url, headers=headers, data=payload)
24

25
print(response.text)
26

1
import requests
2
import json
3

4
url = "https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc"
5

6
payload = json.dumps({
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  "jsonrpc": "2.0",
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  "method": "eth_newFilter",
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  "params": [
10
    {
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      "fromBlock": "0xe20360",
12
      "toBlock": "0xe20411",
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      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
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      "topics": []
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    }
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  ],
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  "id": 1
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})
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headers = {
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  'Content-Type': 'application/json'
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}
22

23
response = requests.request("POST", url, headers=headers, data=payload)
24

25
print(response.text)
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1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc")
6

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

10
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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  "jsonrpc": "2.0",
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  "method": "eth_newFilter",
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  "params": [
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    {
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      "fromBlock": "0xe20360",
18
      "toBlock": "0xe20411",
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      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
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      "topics": []
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    }
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  ],
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  "id": 1
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})
25

26
response = https.request(request)
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puts response.read_body
28

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

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url = URI("https://docs-demo.flare-mainnet.quiknode.pro/ext/bc/C/rpc")
6

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

10
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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  "jsonrpc": "2.0",
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  "method": "eth_newFilter",
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  "params": [
16
    {
17
      "fromBlock": "0xe20360",
18
      "toBlock": "0xe20411",
19
      "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
20
      "topics": []
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    }
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  ],
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  "id": 1
24
})
25

26
response = https.request(request)
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puts response.read_body
28

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

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

7
core.client.createEventFilter()
8

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

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

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core.client.createEventFilter()
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