qn_broadcastRawTransaction RPC Method

Please note that this RPC method requires the Transaction Broadcast  add-on enabled on your QuickNode endpoint.

Parameters

data

string

REQUIRED

The signed transaction (typically signed with a library, using your private key)

Returns

result

The transaction hash, or the zero hash if the transaction is not yet available

Request

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

require 'ethereum.rb'
require 'eth'
client = Ethereum::HttpClient.new('https://docs-demo.matic.quiknode.pro/')
key = Eth::Key.new priv: "{your-key-here}"
amount = 50000000000
payload = {
  chain_id: Eth::Chain::GOERLI, #replace with correct chain!
  nonce: 5, #replace with correct nonce!
  priority_fee: 3 * Eth::Unit::GWEI,
  max_gas_fee: 21 * Eth::Unit::GWEI,
  gas_limit: 69_420,
  to: "0xaC2d0226AdE52e6b4CCc97359359f01e34d50352",
  value: amount,
}
tx = Eth::Tx.new(payload)
tx.sign(key)
response = client.send_command('qn_broadcastRawTransaction', [tx.hex])
puts response

import { ethers } from "ethers";
(async () => {
  const provider = new ethers.JsonRpcProvider("https://docs-demo.matic.quiknode.pro/");
  const wallet = new ethers.Wallet("{your-key-here}");
  let tx = {
    to: "0xaC2d0226AdE52e6b4CCc97359359f01e34d50352",
    value: ethers.utils.parseEther("0.05"),
    gasLimit: 8000000,
    gasPrice: "0x07f9acf02",
  };
  let signedTx = await wallet.signTransaction(tx);
  console.log(signedTx);
  let sentTx = await provider.send("qn_broadcastRawTransaction", [signedTx]);
  console.log(sentTx);
})();

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

var raw = JSON.stringify({
  "jsonrpc": "2.0",
  "method": "qn_broadcastRawTransaction",
  "params": [
    "SIGNED_TRANSACTION"
  ],
  "id": 1
});

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

fetch("https://docs-demo.matic.quiknode.pro/", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

import requests
import json

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

payload = json.dumps({
  "jsonrpc": "2.0",
  "method": "qn_broadcastRawTransaction",
  "params": [
    "SIGNED_TRANSACTION"
  ],
  "id": 1
})
headers = {
  'Content-Type': 'application/json'
}

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

print(response.text)

require "uri"
require "json"
require "net/http"

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

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "jsonrpc": "2.0",
  "method": "qn_broadcastRawTransaction",
  "params": [
    "SIGNED_TRANSACTION"
  ],
  "id": 1
})

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

from web3 import Web3, HTTPProvider
w3 = Web3(HTTPProvider('https://docs-demo.matic.quiknode.pro/'))
signed_txn = w3.eth.account.sign_transaction(dict(
    nonce=w3.eth.get_transaction_count("{your-public-address-here}"),
    maxFeePerGas=3000000000,
    maxPriorityFeePerGas=2000000000,
    gas=100000,
    to='0xaC2d0226AdE52e6b4CCc97359359f01e34d50352',
    value=50000000000,
    data=b'',
    type=2,
    chainId=1,
  ),
  "{your-private-key-here}",
)
txHash = w3.provider.make_request("qn_broadcastRawTransaction", [signed_txn.rawTransaction])
print(w3.toHex(txHash))

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