public static function give($to, $amt)
{
$ramt = $amt;
$rem = mine::countcoins($coins);
if ($rem < $amt) {
gio::output("Not enough coins");
return false;
}
$paths = Tools::address($to);
if (!$paths) {
gio::output("The destination account is invalid");
return false;
}
$getcoins = array();
$c = 1;
if (!is_array($coins)) {
return false;
}
$vals = array_keys($coins);
rsort($vals);
foreach ($vals as $val) {
if ($amt < $val) {
continue;
}
if ($amt <= 0) {
break;
}
$ch[$val] = floor($amt / $val);
if ($ch[$val] > count($coins[$val])) {
$ch[$val] = count($coins[$val]);
}
$amt -= $ch[$val] * $val;
}
foreach ($ch as $v => $n) {
while ($n > 0 && (list($id, $coin) = each($coins[$v]))) {
$getcoins[$id] = $coin;
unset($coins[$v][$id]);
$n--;
}
}
foreach ($getcoins as $k => $v) {
$secret[$k] = Tools::makesecrets();
$getcoins[$k]['secret'] = GsonCrypt::seal($secret[$k], $paths['srakey']);
}
$net = new Gnet();
if (!$net->connect($paths['address'], intval($paths['port']))) {
gio::output("Unable to connect to the destination account");
return false;
} else {
$m = Gmsg::create(Gmsg::prepare($getcoins, "deposit", $paths['account']));
$m = GsonCrypt::seal($m, $paths['bank']);
if (!$m) {
gio::output("Unable to send!");
gio::output("POSSIBLE CAUSES:");
gio::output("The destination bank's certificate is not avaiable!");
gio::output("Account may not be registered with sra!");
gio::output("Account may have been deregistered with sra!");
return false;
}
$r = $net->send($m);
$s = GsonCrypt::unseal($r);
$r = $s ? Gmsg::extract($s) : Gmsg::extract($r);
unset($net);
if (!$r || !$r['status']) {
gio::output("Deposit of {$ramt} coins to {$to} Failed!");
gio::output($r['response']);
return false;
} else {
$old = storage::load($paths['srakey']);
foreach ($getcoins as $id => $coin) {
$getcoins[$id]['secret'] = $secret[$id];
$val = $coin['value'];
$old[$val][$id] =& $getcoins[$id];
}
storage::save($old, $paths['srakey']);
storage::save($coins);
gio::output("Deposit of {$ramt} coins to {$to} was successful");
return true;
}
}
}
public static function certexchange($addr)
{
$d = Tools::address($addr);
if (file_exists(GsonCrypt::getcert($d['bank']))) {
return true;
}
$c = GsonCrypt::getcert(null, true);
$m = Gmsg::create(Gmsg::prepare($c, 'exchangecert', $d['bank']));
$net = new Gnet();
$r = $net->connect($d['address'], intval($d['port']));
if (!$r) {
return false;
}
$r = $net->send($m);
if (!$r) {
return false;
}
$r = Gmsg::extract($r);
if (!$r) {
return false;
}
if ($r['status']) {
$resp = gio::saverawfile($r['cert'], GsonCrypt::getcert($d['bank']));
}
return isset($resp) ? $resp : false;
}
function main($mainmsg)
{
gio::output(config::$walletMessage);
$serv = popen("service.ecsh", 'r');
$net = new Gnet();
$inerr = 0;
while (true) {
if (!$inerr) {
gio::output();
foreach ($mainmsg as $k => $v) {
gio::output("{$k} - {$v}");
}
gio::output();
$msg = "Enter your choice and press enter";
}
$inerr = 0;
$c = gio::input("{$msg}");
switch ($c) {
case 1:
$tid = gio::input("Enter the transaction Id");
$st = transaction::status($tid);
if (!$st) {
gio::output("Transaction reference '{$tid}' not found");
} else {
$rpt['order id'] = $st['order id'];
$rpt['order amount'] = $st['amount'];
$rpt['from'] = $st['client'];
$rpt['to'] = $st['merchant'];
$rpt['transaction time'] = date(config::$timeFormat, $st['acknowledgement']['completed']);
$rpt['description'] = $st['description'];
$rpt['transaction reference'] = $st['acknowledgement']['id'];
$rpt['response code'] = $st['acknowledgement']['status'];
$rpt['response message'] = $st['acknowledgement']['message'];
$rpt['ecash value tendered'] = $st['acknowledgement']['amount'];
$rpt['ecash tendered'] = $st['acknowledgement']['ecashids'];
gio::display($rpt);
if (gio::confirm("Do you want to save the report to a file")) {
$dest = gio::input("Enter full path to the file");
gio::display($rpt, $x);
if (!gio::saverawfile(join("\r\n", $x), $dest)) {
gio::output("Could not save the report to {$dest}");
} else {
gio::output("Report successfully saved to {$dest}");
}
unset($x);
}
}
break;
case 2:
$maxallowed = 1000;
$v = gio::input("What value of eCash do you wish to mine", "integer");
$n = gio::input("How many eCashes do you wish to mine", "integer");
$c = mine::countcoins($null);
unset($null);
if ($n > $maxallowed || $c + $n > $maxallowed) {
$rem = $maxallowed - $c;
gio::output("You can not mine above {$maxallowed} eCashes!");
gio::output("You can mine {$rem} more eCashes!");
} else {
$res = mine::coins($n, $v);
if ($res) {
gio::output("You have successfully mined {$n} eCashes.");
gio::output("Mining process took " . Tools::arrtostr($res, ", "));
} else {
gio::output("Mining operation failed!");
}
}
break;
case 3:
$n = mine::countcoins($coins);
gio::output("A total of {$n} eCash value is available");
if ($n && gio::confirm("Do you wish to see their Id's")) {
foreach ($coins as $val => $ccs) {
foreach ($ccs as $i => $coin) {
gio::output("Ecash ID: {$i}");
foreach ($coin as $id => $c) {
if ($id == "token") {
$c = md5($c);
}
if ($id == "hash") {
$c = sha1($c);
}
if ($id == "mined") {
$c = date(config::$timeFormat, $c);
}
gio::output("{$id}=>{$c}");
}
gio::output();
}
}
}
break;
case 4:
$to = gio::input("Enter the wallet address");
$amt = gio::input("Enter the amount to give");
$res = account::give($to, $amt);
break;
case "x":
$net->connect(config::$serviceAddress, intval(config::$servicePort));
$net->send("shutdown");
if ($serv) {
$ret = pclose($serv);
}
break 2;
default:
$inerr = 1;
$msg = "Retry";
}
if (!$inerr) {
gio::output("\n\n\n");
}
}
if (isset($ret) && $ret != 0) {
gio::output("An error occured while exiting...");
}
gio::output(config::$exitMessage);
sleep(3);
}
public static function notification($msg, $account)
{
$m = GsonCrypt::verify($msg, $account);
if (!$m) {
return array(0, "SRA did not verify bank's message as authentic");
}
$m = Gmsg::extract($m);
if (!$m || !is_array($m)) {
return array(0, "SRA did not extract bank's message correctly");
}
list($id, $req) = each($m);
$rtime = time();
$client = Tools::address($req['client']);
$merchant = Tools::address($req['merchant']);
$coins = storage::load($client['srakey']);
$pcoins = $req['coins'];
$errorcode = 0;
$amount = 0;
$least = 0;
$most = 0;
$leastcoin = array();
$mostcoin = array();
$ecashrejected = array();
if (mine::checkcoins($pcoins)) {
foreach ($pcoins as $id => $coin) {
$pcval = $coin['value'];
if (!array_key_exists($id, $coins[$pcval])) {
$errorcode = $errorcode ? $errorcode : 2;
$tmsg = "Already spent eCash detected";
$ecids[] = $id;
if ($errorcode == 2) {
$rejectedecash[] = $id;
}
} else {
$secret = GsonCrypt::unseal($coin['secret']);
if ($coins[$pcval][$id]['secret'] != $secret) {
$errorcode = $errorcode ? $errorcode : 3;
$tmsg = "Invalid secret detected";
$ecids[] = $id;
if ($errorcode == 3) {
$rejectedecash[] = $id;
}
} else {
$secrets[$id] = Tools::makesecrets();
$pcoins[$id]['secret'] = GsonCrypt::seal($secrets[$id], $merchant['srakey']);
$pcoins[$id]['transactioncount'] = intval($pcoins[$id]['transactioncount']) + 1;
$amount += $pcoins[$id]['value'];
if ($pcoins[$id]['value'] > $most) {
$most = $pcoins[$id]['value'];
$mostcoin['id'] = $id;
$mostcoin['coin'] = $pcoins[$id];
}
if ($pcoins[$id]['value'] < $least || $least == 0) {
$least = $pcoins[$id]['value'];
$leastcoin['id'] = $id;
$leastcoin['coin'] = $pcoins[$id];
}
$ecids[] = $id;
unset($coins[$pcval][$id]);
}
}
}
$ecids = join(", ", array_values($ecids));
} else {
$ecids = join(", ", array_keys($pcoins));
$errorcode = 1;
$tmsg = "Invalid/Counterfeit eCash detected";
}
if (!$errorcode && $amount < $req['amount']) {
$errorcode = 4;
$tmsg = sprintf("Additional %d value is required to complete the transaction", $req['amount'] - $amount);
}
if (!$errorcode && $amount > $req['amount']) {
$diff = $amount - $req['amount'];
$rem = $leastcoin['coin']['value'] - $diff;
$chg = self::splitvalue($diff, false);
$dval = self::splitvalue($rem, false);
if (!$chg || !$dval) {
$errorcode = 5;
$tmsg = "SRA Internal Error while splitting tokens.";
} else {
$mycoin = storage::load();
$chgcoins = self::getcoins($chg, $client['srakey'], $secrets, $mycoin);
$dvalcoins = self::getcoins($dval, $merchant['srakey'], $secrets, $mycoin);
if (!$chgcoins || !$dvalcoins) {
$errorcode = 6;
$tmsg = "SRA Internal Error while splitting tokens";
} else {
$leastcoin['coin']['secret'] = "";
$mycoin[$leastcoin['coin']['value']][$leastcoin['id']] = $leastcoin['coin'];
foreach ($chgcoins as $id => $coin) {
$cval = $coin['value'];
$coin['secret'] = $secrets[$id];
$coins[$cval][$id] = $coin;
}
unset($pcoins[$leastcoin['id']]);
}
}
}
foreach ($pcoins as $id => $coin) {
$val = $coin['value'];
if (isset($coins[$val][$id])) {
unset($coins[$val][$id]);
}
}
if (isset($dvalcoins)) {
$pcoins += $dvalcoins;
}
$req['coins'] = $pcoins;
$tmsg = $errorcode ? $tmsg : "pending";
$tid = md5(uniqid(rand(), true));
$dtime = time();
$req['acknowledgement'] = array("id" => "{$tid}", "completed" => $dtime, "status" => "{$errorcode}", "message" => "{$tmsg}", "amount" => $amount, "ecashids" => "{$ecids}");
//if(isset($rejectedecash)&&!empty($ecashrejected)) $req['acknowledgement']['rejectedecash'] = join(", ",$rejectedecash);
if (strtolower($client['bank']) != strtolower($merchant['bank'])) {
$m = GsonCrypt::sign(Gmsg::create($req));
$merchant['response'] = Gmsg::create(Gmsg::Prepare($m, "acknowledgement", $merchant['bank']));
$net = new Gnet();
$c = $net->connect($merchant['address'], intval($merchant['port']));
if (!$c) {
return array(0, "Merchant's bank is unreachable");
}
$r = $net->send($merchant['response']);
if (!$r) {
$req['acknowledgement']['status'] = 10;
$req['acknowledgement']['message'] = "Invalid response from merchant's bank";
}
$r = Gmsg::extract(GsonCrypt::verify($r, $merchant['bank']));
if (!$r) {
$req['acknowledgement']['status'] = 11;
$req['acknowledgement']['message'] = "Invalid response from merchant's bank";
} else {
if ($r['status']) {
$old = storage::load($merchant['srakey']);
if (!$old) {
$old = array();
}
foreach ($pcoins as $id => $coin) {
$val = $coin['value'];
$old[$val][$id] = $coin;
}
storage::save($old, $merchant['srakey']);
storage::save($coins, $client['srakey']);
if (isset($mycoin)) {
storage::save($mycoin);
}
$req['acknowledgement']['message'] =& $r['response'];
} else {
$req['acknowledgement']['status'] = 12;
$req['acknowledgement']['message'] = $r['response'];
}
}
} else {
if (!$errorcode) {
$old = storage::load($merchant['srakey']);
if (!$old) {
$old = array();
}
foreach ($pcoins as $id => $coin) {
$coin['secret'] = $secrets[$id];
$val = $coin['value'];
$old[$val][$id] = $coin;
}
storage::save($old, $merchant['srakey']);
storage::save($coins, $client['srakey']);
if (isset($mycoin)) {
storage::save($mycoin);
}
}
$status = $req['acknowledgement']['status'] ? 0 : 1;
if ($status) {
$req['acknowledgement']['message'] = "Payment was successful";
}
}
$status = $req['acknowledgement']['status'] ? 0 : 1;
if (!$status) {
unset($req['coins']);
unset($req['change']);
if ($errorcode <= 3) {
$req['acknowledgement']['amount'] = 0;
}
}
if ($status && isset($chgcoins)) {
$req['change'] = $chgcoins;
}
$resp = $req;
self::log($resp);
return array($status, $req);
}
