function test_address($address)
{
global $addressversion, $base58, $self, $hex, $link, $pattern, $period;
global $rpcQuery;
// check it's a valid address
if ($address == $self) {
return -1;
}
if (!preg_match('/' . $pattern . '/', $address)) {
return -2;
}
$addrhex = base2base($address, $base58, $hex);
if (strlen($addrhex) !== 50) {
return -3;
}
if (substr($addrhex, 0, 2) !== $addressversion) {
return -4;
}
$check = substr($addrhex, 0, 42);
$check = pack('H*', $check);
$check = strtoupper(hash('sha256', hash('sha256', $check, true)));
$check = substr($check, 0, 8);
if ($check !== substr($addrhex, 42)) {
return -5;
}
$result = $rpcQuery->validateaddress($address);
if (!$result['isvalid']) {
return -6;
}
if ($result['ismine']) {
return -1;
}
// returns 0 for success, negative for error
return 0;
}
function test_address($address)
{
global $addressversion, $base58, $donations, $hex, $link, $pattern, $period;
// check it's a valid address
if ($address == $donations) {
return -1;
}
if (!preg_match('/' . $pattern . '/', $address)) {
return -2;
}
$addrhex = base2base($address, $base58, $hex);
if (strlen($addrhex) !== 50) {
return -3;
}
if (substr($addrhex, 0, 2) !== $addressversion) {
return -4;
}
$check = substr($addrhex, 0, 42);
$check = pack('H*', $check);
$check = strtoupper(hash('sha256', hash('sha256', $check, true)));
$check = substr($check, 0, 8);
if ($check !== substr($addrhex, 42)) {
return -5;
}
$params = array(0 => $address);
$result = send_json_request('validateaddress', $params);
if (!$result['result']['isvalid']) {
return -6;
}
if ($result['result']['ismine']) {
return -1;
}
// address is ok if we got this far
// check the database to see if we have already sent coins
$curtime = time();
$time = time() - $period;
if ($stmt = mysqli_prepare($link, 'SELECT time FROM transactions WHERE time > ? AND address = ? ORDER BY time DESC LIMIT ?;')) {
$limit = 1;
mysqli_stmt_bind_param($stmt, 'isi', $time, $address, $limit);
mysqli_stmt_execute($stmt);
mysqli_stmt_bind_result($stmt, $lastreq);
mysqli_stmt_fetch($stmt);
mysqli_stmt_close($stmt);
if ($lastreq > 1) {
return $period - ($curtime - $lastreq);
}
}
if (mysqli_errno($link)) {
return -7;
}
// returns 0 for success, negative for error, postive for waiting time
return 0;
}
