protx_capabilities

POST

https://sys-btc.nownodes.io/

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns information about the current ProTx capabilities, Sentry signature rules, blockchain context, and protocol activation status.

This method is available in Syscoin Core v5.1.3 and later versions.

Body

application/json

jsonrpcstringrequired

idstringrequired

methodstringprotx_capabilitiesrequired

paramsArray<any>required

No parameters required

Response

200OK

ProTx capabilities retrieved successfully

401Unauthorized

Unauthorized

500Internal Server Error

Internal Server Error

protx_capabilities

curl -X POST 'https://sys-btc.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "1.0",
    "id": "protx-test",
    "method": "protx_capabilities",
    "params": []
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://sys-btc.nownodes.io/");
const result = await provider.send("protx_capabilities", []);
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://sys-btc.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "protx_capabilities",
  "params": [],
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://sys-btc.nownodes.io/"))
response = w3.provider.make_request("protx_capabilities", [])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://sys-btc.nownodes.io/"),
});

const result = await client.request({
  method: "protx_capabilities",
  params: [],
});

console.log(result);

const endpoint = "https://sys-btc.nownodes.io/";
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({ jsonrpc: "2.0", method: "protx_capabilities", params: [], id: 1 });
console.log(result);

const response = await fetch('https://sys-btc.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "1.0",
      "id": "protx-test",
      "method": "protx_capabilities",
      "params": []
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "1.0",
  "id": "protx-test",
  "method": "protx_capabilities",
  "params": []
}

response = requests.post('https://sys-btc.nownodes.io/', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://sys-btc.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "1.0",
    "id": "protx-test",
    "method": "protx_capabilities",
    "params": []
  }'

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

Request Body

{
  "jsonrpc": "1.0",
  "id": "protx-test",
  "method": "protx_capabilities",
  "params": []
}

{
  "result": {
    "version": 1,
    "genesisHash": "0000022642db0346b6e01c2a397471f4f12e65d4f4251ec96c1f85367a61a7ab",
    "network": "main",
    "height": 2336747,
    "blockHash": "e6ac608abe06a52fcb598594f3d697d650c315c34facf918c5ac5a01e2b61a62",
    "nextBlockHeight": 2336748,
    "era": "legacy-v3",
    "servicePayloadVersion": 3,
    "requiredCollateralSatoshis": "10000000000000",
    "preparationHeight": null,
    "activationHeight": null,
    "preparationActive": false,
    "pqActive": false
  },
  "error": null,
  "id": "protx-test"
}

"Unknown API_key"

"Service is unavailable"