Kucoin Implicit Inner Transfer V1

<?php

include './ccxt.php';

date_default_timezone_set('UTC');

$id = 'kucoin'; // edit this line

// ----------------------------------------------------------------------------

// instantiate the exchange by id
$exchange_class = '\\ccxt\\' . $id;
$exchange = new $exchange_class(array(

   // some exchanges may require additional API credentials
   'apiKey' => 'YOUR_API_KEY', // edit this line
   'secret' => 'YOUR_SECRET', // edit this line
   'password' => 'YOUR_APIKEY_PASSWORD', // edit this line

   // this is not required! uncomment only if you want to debug it
   // 'verbose' => true,

));

// ----------------------------------------------------------------------------
// https://docs.kucoin.com/#inner-transfer

// the difference between unified currency codes and exchange-specific
// currency ids is explained here: https://github.com/ccxt/ccxt/wiki/Manual#symbols-and-market-ids

$code = 'BTC'; // a unified currency code, edit this line

$from = 'main'; // or 'trade', edit this line
$to = 'trade'; // or 'main', edit this line

$amount = '0.123'; // edit this line

// ----------------------------------------------------------------------------
// load "from" and "to" accounts

function get_account_id($exchange, $type, $code) {

   // load markets first
   $exchange->load_markets(); // this will be executed only once

   // convert from a common unified currency code to exchange-specific currency id
   $currency_id = $exchange->currency_id($code);

   echo "Loading a '" . $type . "' account for '" . $code . "'\n";

   $accounts = $exchange->private_get_accounts(array(
       'type' => $type,
   ));
   $data = $exchange->safe_value($accounts, 'data', array());
   $accounts_by_currency_id = $exchange->index_by($accounts['data'], 'currency');

   $account_id = null;

   if (!array_key_exists($currency_id, $accounts_by_currency_id)) {

       echo "Could not find a '" . $type . "' account for '" . $code . "'\n";
       echo "Trying to create a new '" . $type . "' account for '" . $code . "'\n";

       try {

           $response = $exchange->private_post_accounts(array(
               'type' => $type,
               'currency' => $currency_id
           ));

           echo "Successfully created a new '" . $type . "' account for '" . $code . "'\n";

           $account_id = $response['data']['id'];

       } catch (Exception $e) {

           echo "Failed to create a new '" . $type . "' account for '" . $code . "'\n";
           echo get_class($e) . ': ' . $e->getMessage() . "\n";
           exit();
       }

   } else {

       $account_id = $accounts_by_currency_id[$currency_id]['id'];
   }

   echo "Successfully loaded a '" . $type . "' account for '" . $code . "': " . $account_id . "\n";
   return $account_id;
}

// ----------------------------------------------------------------------------

$from_account_id = get_account_id($exchange, $from, $code); // payer (obtained through the "list account" interface)
$to_account_id = get_account_id($exchange, $to, $code); // receiver

echo "Transferring '" . $amount . "' '" . $code . "' from '" . $from . "' account '" . $from_account_id . "' to '" . $to . "' account '" . $to_account_id . "'\n";

// set the arguments for the implicit method
$params = array(

   // set a unique identifier for this transfer
   // can be any arbitrary string that has not been used yet
   'clientOid' => $exchange->uuid(),

   'payAccountId' => $from_account_id,
   'recAccountId' => $to_account_id,

   'amount' => $amount, // a string, transfer amount
);

try {

   $response = $exchange->private_post_accounts_inner_transfer($params);
   print_r($response);

} catch (Exception $e) {

   echo get_class($e) . ': ' . $e->getMessage() . "\n";

}