Initialize Mint

Build an unsigned base-chain transaction that initializes and delegates a validator-scoped transfer queue for a mint.

POST /v1/spl/initialize-mint

cURL

cURL

curl --request POST \
  --url https://payments.magicblock.app/v1/spl/initialize-mint \
  --header 'Content-Type: application/json' \
  --data '
{
  "payer": "3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE",
  "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
  "validator": "MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57"
}
'

import requests

url = "https://payments.magicblock.app/v1/spl/initialize-mint"

payload = {
    "payer": "3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE",
    "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "validator": "MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    payer: '3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE',
    mint: 'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v',
    validator: 'MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57'
  })
};

fetch('https://payments.magicblock.app/v1/spl/initialize-mint', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://payments.magicblock.app/v1/spl/initialize-mint",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'payer' => '3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE',
    'mint' => 'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v',
    'validator' => 'MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://payments.magicblock.app/v1/spl/initialize-mint"

	payload := strings.NewReader("{\n  \"payer\": \"3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE\",\n  \"mint\": \"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v\",\n  \"validator\": \"MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://payments.magicblock.app/v1/spl/initialize-mint")
  .header("Content-Type", "application/json")
  .body("{\n  \"payer\": \"3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE\",\n  \"mint\": \"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v\",\n  \"validator\": \"MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://payments.magicblock.app/v1/spl/initialize-mint")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"payer\": \"3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE\",\n  \"mint\": \"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v\",\n  \"validator\": \"MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57\"\n}"

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

200

{
  "kind": "initializeMint",
  "version": "legacy",
  "transactionBase64": "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAIDKmcfsS5XfSOLaLlaBHJry50iH2Ufk2TMz4STC2fHzIcFKkerg3q2DD3Yn8TISmGeKoxSLz+BiP7iQ4pYqXYXsgu8D8C7R8ovdMQRLpSrE8+jxjTl3BfqywPNGiPNfnh8eS+smowIxqKDcCjw5liNXQkkCbBSDCBDFwtrgCKqoQ0DAgEBBAECAwQCAQEEAgIDBAIBAQQDAgME",
  "sendTo": "base",
  "recentBlockhash": "9A4VhP8M8fQZxP4h7rB6mP6eM8w2pJkYh7QdZk7V4r2x",
  "lastValidBlockHeight": 284512337,
  "instructionCount": 4,
  "requiredSigners": [
    "3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE"
  ],
  "validator": "MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57",
  "transferQueue": "BuBHLbaPmYmgvMiZ8uZb96RjBtmWzJY52u7Di5urNf6M",
  "rentPda": "Bt9oNR5cCtnfuMmXgWELd6q5i974PdEMQDUE55nBC57L"
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "<string>",
    "issues": [
      {
        "code": "<string>",
        "message": "<string>",
        "path": [
          "<string>"
        ]
      }
    ]
  }
}

Body

application/json

Initialize mint request

payer · string · required

Example:

"3rXKwQ1kpjBd5tdcco32qsvqUh1BnZjcYnS5kYrP7AYE"

mint · string · required

Example:

"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"

cluster · enum<string> string

Optional. Use mainnet for BASE_RPC_URL and EPHEMERAL_RPC_URL, devnet for BASE_DEVNET_RPC_URL and EPHEMERAL_DEVNET_RPC_URL, or provide a custom http(s) RPC URL to override the base RPC while keeping the configured ephemeral RPC.

Available options: mainnet, devnet

Example:

"mainnet"

validator · string

Optional. Defaults to the selected ephemeral RPC identity resolved via getIdentity.

Example:

"MAS1Dt9qreoRMQ14YQuhg8UTZMMzDdKhmkZMECCzk57"

Response

200

application/json

Unsigned serialized transaction

kind · enum<string> · required

version · enum<string> · required

Available options: legacy

transactionBase64 · string · required

sendTo · enum<string> · required

Available options: base, ephemeral

recentBlockhash · string · required

lastValidBlockHeight · integer · required

instructionCount · integer · required

Required range: x >= 0

requiredSigners · string[] · required

validator · string · required

Example:

"So11111111111111111111111111111111111111112"

transferQueue · string · required

Example:

"So11111111111111111111111111111111111111112"

rentPda · string · required

Example:

"So11111111111111111111111111111111111111112"