Get a proof for a transaction in a block.

GET

https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Parameters

roundintegerrequiredpath

The round in which the transaction appears.

txidstringrequiredpath

The transaction ID for which to generate a proof.

hashtypestringsha512_256sha256query

The type of hash function used to create the proof, must be one of:

sha512_256
sha256

formatstringjsonmsgpackquery

Configures whether the response object is JSON or MessagePack encoded. If not provided, defaults to JSON.

Response

200OK

Proof of transaction in a block.

400Bad Request

Malformed round number or transaction ID

401Unauthorized

Invalid API token

404Not Found

Non-existent block or transaction

500Internal Server Error

Internal error, including protocol not supporting proofs.

default

Unknown error

Get a proof for a transaction in a block.

curl -X GET 'https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof'

const response = await fetch('https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof', {
  method: 'GET',
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof')
request = Net::HTTP::Get.new(uri)

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

import requests

response = requests.get('https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof')
data = response.json()

const response = await fetch('https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof', {
  method: 'GET',
});

const data = await response.json();

const endpoint = "https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof";
const apiKey = "YOUR_API_KEY";

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

  return response.json();
}

const result = await nownodesRequest({});
console.log(result);

const response = await fetch('https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof', {
  method: 'GET',
});

const data = await response.json();

import requests

response = requests.get('https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof')
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://algo.nownodes.io/v2/blocks/{round}/transactions/{txid}/proof')
request = Net::HTTP::Get.new(uri)

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

{
  "hashtype": "sha512_256",
  "idx": 0,
  "proof": "dGVzdA==",
  "stibhash": "dGVzdA==",
  "treedepth": 0
}

{
  "data": {},
  "message": "string"
}

{
  "data": {},
  "message": "string"
}

{
  "data": {},
  "message": "string"
}

{
  "data": {},
  "message": "string"
}