eth_call RPC Method

Parameters

transaction

object

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from

string

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to

string

REQUIRED

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gas

integer

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gasPrice

integer

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value

integer

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data

string

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blockNumber/tag

string

REQUIRED

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Object

object

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balance

string

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nonce

string

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code

string

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state

object

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stateDiff

integer

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Returns

data

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Request

curl https://docs-demo.optimism.quiknode.pro/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_call",
  "params": [
    {
      "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
      "data": "0x919840ad"
    },
    "latest",
    {
        "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460": {
            "code": "0x6080604052348015600f57600080fd5b506004361060285760003560e01c8063919840ad14602d575b600080fd5b60336045565b60408051918252519081900360200190f35b60005a90509056fea265627a7a72315820df124583906aafd283490b866399b6762e2075e1d84214363893c5993a13276f64736f6c63430005110032"
        }
    }
  ]
}'

require 'eth'

client = Eth::Client.create 'https://docs-demo.optimism.quiknode.pro/'
payload = {
    "jsonrpc": "2.0",
    "method": "eth_call",
    "params": [
        {
          "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
          "data": "0x919840ad"
        },
        "latest",
        {
          "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460": {
            "code": "0x6080604052348015600f57600080fd5b506004361060285760003560e01c8063919840ad14602d575b600080fd5b60336045565b60408051918252519081900360200190f35b60005a90509056fea265627a7a72315820df124583906aafd283490b866399b6762e2075e1d84214363893c5993a13276f64736f6c63430005110032"
          }
        }
    ],
    "id": "1"
}

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

const ethers = require("ethers");
(async () => {
  const provider = new ethers.providers.JsonRpcProvider("https://docs-demo.optimism.quiknode.pro/");
  const response = await provider.send("eth_call", [
    {
      "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
      "data": "0x919840ad"
    },
    "latest",
    {
      "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460": {
        "code": "0x6080604052348015600f57600080fd5b506004361060285760003560e01c8063919840ad14602d575b600080fd5b60336045565b60408051918252519081900360200190f35b60005a90509056fea265627a7a72315820df124583906aafd283490b866399b6762e2075e1d84214363893c5993a13276f64736f6c63430005110032"
      }
    }
  ]);
  console.log(response);
})();

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

var raw = JSON.stringify({
  "method": "eth_call",
  "params": [
    {
      "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
      "data": "0x919840ad"
    },
    "latest",
    {
      "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460": {
        "code": "0x6080604052348015600f57600080fd5b506004361060285760003560e01c8063919840ad14602d575b600080fd5b60336045565b60408051918252519081900360200190f35b60005a90509056fea265627a7a72315820df124583906aafd283490b866399b6762e2075e1d84214363893c5993a13276f64736f6c63430005110032"
      }
    }
  ],
  "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_call",
  "params": [
    {
          "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
          "data": "0x919840ad"
        },
        "latest",
        {
          "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460": {
            "code": "0x6080604052348015600f57600080fd5b506004361060285760003560e01c8063919840ad14602d575b600080fd5b60336045565b60408051918252519081900360200190f35b60005a90509056fea265627a7a72315820df124583906aafd283490b866399b6762e2075e1d84214363893c5993a13276f64736f6c63430005110032"
          }
    }
  ],
  "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_call",
  "params": [
    {
          "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
          "data": "0x919840ad"
        },
        "latest",
        {
          "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460": {
            "code": "0x6080604052348015600f57600080fd5b506004361060285760003560e01c8063919840ad14602d575b600080fd5b60336045565b60408051918252519081900360200190f35b60005a90509056fea265627a7a72315820df124583906aafd283490b866399b6762e2075e1d84214363893c5993a13276f64736f6c63430005110032"
          }
        }
  ],
  "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/'))
abi = '[{"constant":True,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":False,"stateMutability":"view","type":"function"}]'
myContract = w3.eth.contract(address="0x6B175474E89094C44Da98b954EedeAC495271d0F", abi=abi)
response = myContract.functions.balanceOf("0x6E0d01A76C3Cf4288372a29124A26D4353EE51BE").call()
print(response)

import { Core } from '@quicknode/sdk'

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

core.client
    .call({
      account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
      data: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
      to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
    })
    .then(res => console.log(res))

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