eth_getBalance Flashblock RPC Method

Please note that this Flashblocks RPC method is currently only supported on Optimism Sepolia testnet. Mainnet support is coming soon.

Parameters

address

string

REQUIRED

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tag

string

REQUIRED

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Returns

result

string

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Request

curl https://docs-demo.optimism.quiknode.pro/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"method":"eth_getBalance","params":["0x8D97689C9818892B700e27F316cc3E41e17fBeb9", "pending"],"id":1,"jsonrpc":"2.0"}'

require 'eth'

client = Eth::Client.create 'https://docs-demo.optimism.quiknode.pro/'
payload = {
    "jsonrpc": "2.0",
    "method": "eth_getBalance",
    "params": ["0x8D97689C9818892B700e27F316cc3E41e17fBeb9", 'pending'],
    "id": "1"
}

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

import { ethers } from "ethers";
(async () => {
  const provider = new ethers.JsonRpcProvider("https://docs-demo.optimism.quiknode.pro/");
  const balance = await provider.getBalance(
    "0x8D97689C9818892B700e27F316cc3E41e17fBeb9",
    "pending"
  );
  console.log(balance);
})();

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

var raw = JSON.stringify({
  "method": "eth_getBalance",
  "params": [
    "0x8D97689C9818892B700e27F316cc3E41e17fBeb9",
    "latest"
  ],
  "id": 1,
  "jsonrpc": "2.0"
});

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

fetch("https://docs-demo.optimism.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.optimism.quiknode.pro/"

payload = json.dumps({
  "method": "eth_getBalance",
  "params": [
    "0x8D97689C9818892B700e27F316cc3E41e17fBeb9",
    "pending"
  ],
  "id": 1,
  "jsonrpc": "2.0"
})
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.optimism.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({
  "method": "eth_getBalance",
  "params": [
    "0x8D97689C9818892B700e27F316cc3E41e17fBeb9",
    "pending"
  ],
  "id": 1,
  "jsonrpc": "2.0"
})

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

from web3 import Web3, HTTPProvider
w3 = Web3(HTTPProvider('https://docs-demo.optimism.quiknode.pro/'))
print (w3.eth.get_balance('0x8D97689C9818892B700e27F316cc3E41e17fBeb9', 'pending'))

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