$x = 1;
$privkeys = array();
while (1) {
$var = 'private_key' . $x;
if (!isset($_POST[$var])) {
break;
}
$privkeys[] = $_POST[$var];
$x++;
}
// Get total inputs
$balance = DB::queryFirstField("SELECT sum(amount) FROM coin_inputs WHERE wallet_id = %d AND is_spent = 0", $_POST['wallet_id']);
$total_inputs = DB::queryFirstField("SELECT count(*) FROM coin_inputs WHERE wallet_id = %d AND is_spent = 0", $_POST['wallet_id']);
$balance -= $total_inputs * $config['btc_txfee'];
// Generate address from new wallet
$address = $bip32->generate_address($new_wallet_id);
$outputs = array($address => $balance);
// Gather all unspent inputs
$client = new rawtx();
$inputs = $client->gather_inputs($_POST['wallet_id'], $balance, $privkeys);
// Create transaction
$transaction = $client->create_transaction($_POST['wallet_id'], $inputs, $outputs);
// Sign transaction
$signed_tx = $client->sign_transaction($transaction, $inputs);
// Send transaction
$client = new transaction();
$client->send_transaction($signed_tx);
// Update wallets
DB::query("UPDATE coin_wallets SET status = 'inactive' WHERE id = %d", $_POST['wallet_id']);
DB::query("UPDATE coin_inputs SET is_spent = 1 WHERE wallet_id = %d", $_POST['wallet_id']);
// User message
// Set vars
$vars = array('input_id' => $row['id'], 'amount' => $row['amount'], 'txid' => $row['txid'], 'vout' => $row['vout'], 'sigscript' => $sigscript, 'keyindex' => $keyindexes);
array_push($json['inputs'], $vars);
}
// Gather outputs
$rows = DB::query("SELECT * FROM coin_sends WHERE status = 'pending' ORDER BY id");
foreach ($rows as $row) {
// Gather recipients
$recipients = array();
$arows = DB::query("SELECT * FROM coin_sends_addresses WHERE send_id = %d", $row['id']);
foreach ($arows as $arow) {
$vars = array('amount' => $arow['amount'], 'address' => $arow['address']);
array_push($recipients, $vars);
}
// Get change address
$change_address = $bip32->generate_address($wrow['id'], 0, 1);
$change_sigscript = $bip32->address_to_sigscript($change_address);
// Get key indexes of change address
$change_keyindexes = array();
$addr_rows = DB::query("SELECT * FROM coin_addresses_multisig WHERE address = %s", $change_address);
foreach ($addr_rows as $addr_row) {
$change_keyindexes[] = '1/' . $addr_row['address_num'];
}
// Set vars
$vars = array('output_id' => $arow['id'], 'recipients' => $recipients, 'change_keyindex' => $change_keyindexes, 'change_sigscript' => $change_sigscript);
array_push($json['outputs'], $vars);
}
// Send file
header("Content-disposition: attachment; filename=\"tx.json\"");
header("Content-type: text/json");
echo json_encode($json);
$template->add_message('Invalid amount specified, ' . $_POST['amount'], 'error');
} elseif (!$_POST['amount'] > 0) {
$template->add_message('Amount must be greater than 0.', 'error');
}
// Add invoice, if no errors
if ($template->has_errors != 1) {
// Get amounts
if ($_POST['currency'] == 'fiat') {
$amount = $_POST['amount'];
$amount_btc = $amount / $config['exchange_rate'];
} else {
$amount_btc = $_POST['amount'];
$amount = $amount_btc * $config['exchange_rate'];
}
// Generate payment address
$address = $bip32->generate_address($_POST['wallet_id'], $user_row['id']);
DB::query("UPDATE coin_addresses SET is_used = 1 WHERE address = %s", $address);
// Add new invoice
DB::insert('invoices', array('wallet_id' => $_POST['wallet_id'], 'userid' => $user_row['id'], 'currency' => $_POST['currency'], 'amount' => $amount, 'amount_btc' => $amount_btc, 'payment_address' => $address, 'note' => $_POST['note'], 'process_note' => ''));
$invoice_id = DB::insertId();
// Send notifications
send_notifications('invoice_created', $invoice_id);
// User message
$template->add_message("Successfully generated a new pending invoice for user, {$_POST['username']}");
}
// Process invoices
} elseif (isset($_POST['submit']) && $_POST['submit'] == 'Process Checked Invoices') {
// Process
$ids = get_chk('invoice_id');
foreach ($ids as $id) {
if (!$id > 0) {
public function create_transaction($wallet_id, $inputs, $outputs)
{
// Initialize
global $config;
$p2sh_byte = TESTNET == 1 ? 'c4' : '05';
$bip32 = new bip32();
// Start variables
$transaction = array('01000000', str_pad(count($inputs), 2, 0, STR_PAD_LEFT));
// Gather inputs
$input_amount = floatval(0);
$txfee = 0;
foreach ($inputs as $row) {
$transaction[] = bin2hex(strrev(hex2bin($row['txid']))) . bin2hex(pack('V', $row['vout']));
$transaction[] = '00';
$transaction[] = '';
$transaction[] = 'ffffffff';
$input_amount += floatval($row['amount']) - floatval($config['btc_txfee']);
$txfee += $config['btc_txfee'];
}
// Get amounts
$output_amount = floatval(array_sum(array_values($outputs)));
// Check for change
if (round($input_amount, 8) > round($output_amount, 8)) {
$change_amount = round($input_amount, 8) - round($output_amount, 8);
$change_address = $bip32->generate_address($wallet_id, 0, 1);
$outputs[$change_address] = round($change_amount, 8, PHP_ROUND_HALF_DOWN);
}
// Gather outputs
$transaction[] = str_pad(count($outputs), 2, 0, STR_PAD_LEFT);
foreach ($outputs as $address => $amount) {
// Get script sig
$decode_address = $bip32->base58_decode($address);
$version = substr($decode_address, 0, 2);
$scriptsig = $version == $p2sh_byte ? 'a914' . substr($decode_address, 2, 40) . '87' : '76a914' . substr($decode_address, 2, 40) . '88ac';
// Get amount
$amount = $this->dec_to_bytes($amount * 100000000.0, 8);
$amount = $this->flip_byte_order($amount);
// Add transaction vars
$transaction[] = $amount;
$transaction[] = dechex(strlen(hex2bin($scriptsig)));
$transaction[] = $scriptsig;
}
// Return
$transaction[] = '00000000';
return $transaction;
}