Execute account code

POST

https://meter.nownodes.io/accounts/{address}

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

to simulate contract method call, without sending transaction to block chain.

It's useful to estimate gas usage and execution result of a clause.

Body

application/json

arguments and environment

valuestring

amount of token to be transferred

datastring

input data for contract call

gasinteger<uint64>

max allowed gas for execution

gasPricestring

absolute gas price

callerstring

caller address (msg.sender)

Parameters

addressstring<bytes20>requiredpath

address of account

revisionstringquery

can be block number or ID. best block is assumed if omitted.

Response

200OK

Execute account code

curl -X POST 'https://meter.nownodes.io/accounts/{address}' \
  -H 'Content-Type: application/json' \
  -d '{
    "value": "0xde0b6b3a7640000",
    "data": "0x5665436861696e2054686f72"
  }'

const response = await fetch('https://meter.nownodes.io/accounts/{address}', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "value": "0xde0b6b3a7640000",
      "data": "0x5665436861696e2054686f72"
    }),
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://meter.nownodes.io/accounts/{address}')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "value": "0xde0b6b3a7640000",
    "data": "0x5665436861696e2054686f72"
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

import requests

payload = {
  "value": "0xde0b6b3a7640000",
  "data": "0x5665436861696e2054686f72"
}

response = requests.post('https://meter.nownodes.io/accounts/{address}', json=payload)
data = response.json()

const response = await fetch('https://meter.nownodes.io/accounts/{address}', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "value": "0xde0b6b3a7640000",
      "data": "0x5665436861696e2054686f72"
    }),
});

const data = await response.json();

const endpoint = "https://meter.nownodes.io/accounts/{address}";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({
    "value": "0xde0b6b3a7640000",
    "data": "0x5665436861696e2054686f72"
  });
console.log(result);

const response = await fetch('https://meter.nownodes.io/accounts/{address}', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "value": "0xde0b6b3a7640000",
      "data": "0x5665436861696e2054686f72"
    }),
});

const data = await response.json();

import requests

payload = {
  "value": "0xde0b6b3a7640000",
  "data": "0x5665436861696e2054686f72"
}

response = requests.post('https://meter.nownodes.io/accounts/{address}', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://meter.nownodes.io/accounts/{address}')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "value": "0xde0b6b3a7640000",
    "data": "0x5665436861696e2054686f72"
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "value": "0xde0b6b3a7640000",
  "data": "0x5665436861696e2054686f72"
}

200

{
  "data": "0x103556a73c10e38ffe2fc4aa50fc9d46ad0148f07e26417e117bd1ece9d948b5",
  "events": [
    {
      "address": "0x7567d83b7b8d80addcb281a71d54fc7b3364ffed",
      "topics": [
        "0x4de71f2d588aa8a1ea00fe8312d92966da424d9939a511fc0be81e65fad52af8"
      ],
      "data": "0x4de71f2d588aa8a1ea00fe8312d92966da424d9939a511fc0be81e65fad52af8"
    }
  ],
  "transfers": [
    {
      "sender": "0xdb4027477b2a8fe4c83c6dafe7f86678bb1b8a8d",
      "recipient": "0x5034aa590125b64023a0262112b98d72e3c8e40e",
      "amount": "0x47fdb3c3f456c0000"
    }
  ],
  "gasUsed": 21000,
  "reverted": false,
  "vmError": ""
}