gettxoutsetinfo

Overview

The 'gettxoutsetinfo' RPC method returns detailed information about the set of unspent transaction outputs (UTXOs).

Request

shell

wget --no-check-certificate --quiet \
  --method POST \
  --timeout=0 \
  --header 'Content-Type: application/json' \
  --header 'accept: application/json' \
  --header 'X-CoinAPI-Key: 73034021-THIS-IS-SAMPLE-KEY' \
  --body-data '{"jsonrpc":"2.0","id":1,"method":"gettxoutsetinfo","params": [ ]}' \
   'https://bitcoin-mainnet.node.coinapi.io'

csharp

var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Post, "https://bitcoin-mainnet.node.coinapi.io");
request.Headers.Add("accept", "application/json");
request.Headers.Add("X-CoinAPI-Key", "73034021-THIS-IS-SAMPLE-KEY");
var content = new StringContent("{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"gettxoutsetinfo\",\"params\": [ ]}", null, "application/json");
request.Content = content;
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());

php

<?php
$client = new Client();
$headers = [
  'Content-Type' => 'application/json',
  'accept' => 'application/json',
  'X-CoinAPI-Key' => '73034021-THIS-IS-SAMPLE-KEY'
];
$body = '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "gettxoutsetinfo",
  "params": []
}';
$request = new Request('POST', 'https://bitcoin-mainnet.node.coinapi.io', $headers, $body);
$res = $client->sendAsync($request)->wait();
echo $res->getBody();
?>

python

import http.client
import json

conn = http.client.HTTPSConnection("mainnet-bitcoin.node.coinapi.io")
payload = json.dumps({
"jsonrpc": "2.0",
"id": 1,
"method": "gettxoutsetinfo",
"params": []
})
headers = {
'Content-Type': 'application/json',
'accept': 'application/json',
'X-CoinAPI-Key': '73034021-THIS-IS-SAMPLE-KEY'
}
conn.request("POST", "/", payload, headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))

javascript

var settings = {
  "url": "https://bitcoin-mainnet.node.coinapi.io",
  "method": "POST",
  "timeout": 0,
  "headers": {
    "Content-Type": "application/json",
    "accept": "application/json",
    "X-CoinAPI-Key": "73034021-THIS-IS-SAMPLE-KEY"
  },
  "data": JSON.stringify({
    "jsonrpc": "2.0",
    "id": 1,
    "method": "gettxoutsetinfo",
    "params": []
  }),
};

$.ajax(settings).done(function (response) {
console.log(response);
});

go

package main

import (
  "fmt"
  "strings"
  "net/http"
  "io/ioutil"
)

func main() {

url := "https://bitcoin-mainnet.node.coinapi.io"
method := "POST"

payload := strings.NewReader(`{"jsonrpc":"2.0","id":1,"method":"gettxoutsetinfo","params": [ ]}`)

client := &http.Client {
}
req, err := http.NewRequest(method, url, payload)

if err != nil {
fmt.Println(err)
return
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("accept", "application/json")
req.Header.Add("X-CoinAPI-Key", "73034021-THIS-IS-SAMPLE-KEY")

res, err := client.Do(req)
if err != nil {
fmt.Println(err)
return
}
defer res.Body.Close()

body, err := ioutil.ReadAll(res.Body)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(string(body))
}

ruby

require "uri"
require "json"
require "net/http"

url = URI("https://bitcoin-mainnet.node.coinapi.io")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request["accept"] = "application/json"
request["X-CoinAPI-Key"] = "73034021-THIS-IS-SAMPLE-KEY"
request.body = JSON.dump({
"jsonrpc": "2.0",
"id": 1,
"method": "gettxoutsetinfo",
"params": []
})

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

java

OkHttpClient client = new OkHttpClient().newBuilder()
  .build();
MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"gettxoutsetinfo\",\"params\": [ ]}");
Request request = new Request.Builder()
  .url("https://bitcoin-mainnet.node.coinapi.io")
  .method("POST", body)
  .addHeader("Content-Type", "application/json")
  .addHeader("accept", "application/json")
  .addHeader("X-CoinAPI-Key", "73034021-THIS-IS-SAMPLE-KEY")
  .build();
Response response = client.newCall(request).execute();

Request Parameters

• hash_type (string)
  • default: hash_serialized_2
  • Description: Specifies the type of UTXO set hash to be calculated.
  • Options:
    • "hash_serialized_2": Computes a serialized hash which helps in verifying the UTXO set's integrity by comparing it with other nodes.
    • "none": Does not calculate a hash.

Response

{
  "result": {
    "height": 687293,
    "bestblock": "00000000000000000008adb1c65c7358b2989d183a5e875a3b853f12ac4b89d7",
    "txouts": 9552849,
    "bogosize": 676484713,
    "hash_serialized_2": "3e4f22d8fd4ea1c1fb5da1c3f6d0297b12f1f602699ada01e9ad608aa13f7969",
    "total_amount": 18546728.293476,
    "transactions": 5362819,
    "disk_size": 25467893456,
    "error": null
  },
  "id": "curltest",
  "status": "success"
}

A JSON object containing the following fields:

• result: An object encapsulating the response data with the following attributes:
  • height: Indicates the height of the current block in the blockchain.
  • bestblock: The hash of the most recent block at the tip of the blockchain.
  • txouts: Represents the number of unspent transaction outputs.
  • bogosize: A metric representing the UTXO set size; however, it doesn't convey any meaningful information.
  • hash_serialized_2: This field contains the serialized hash value (only appears if the hash_type is set to 'hash_serialized_2'). It assists in verifying the integrity of the UTXO set through comparison with other nodes.
  • total_amount: The cumulative value (in BTC) of all unspent outputs.
  • transactions: Denotes the number of transactions with unspent outputs.
  • disk_size: The estimated size of the chainstate on the disk in bytes.
  • error: If an error occurs during the execution, this field will contain the error message; otherwise, it remains empty.

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