eth_subscribe RPC Method

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

Parameters

subscription name

array

REQUIRED

Loading...

newHeads

string

Loading...

logs

string

Loading...

newPendingTransactions

string

Loading...

data

object

Loading...

Returns

result

string

Loading...

Request

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

3
const core = new Core({
4
  endpointUrl: "",
5
})
6

7
core.client
8
    .watchBlocks(
9
      {
10
        onBlock: block => console.log(block),
11
        poll: false
12
      }
13
    )
14

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

3
const core = new Core({
4
  endpointUrl: "",
5
})
6

7
core.client
8
    .watchBlocks(
9
      {
10
        onBlock: block => console.log(block),
11
        poll: false
12
      }
13
    )
14

1
wscat -c  \
2
# wait for connection
3
{"id":1,"jsonrpc":"2.0","method":"eth_subscribe","params":["newHeads"]}

1
wscat -c  \
2
# wait for connection
3
{"id":1,"jsonrpc":"2.0","method":"eth_subscribe","params":["newHeads"]}

Don't have an account yet?

Create your Quicknode endpoint in seconds and start building

Get started for free