/** * @param Peer $sender * @param TransactionSignatureInterface $txSig * @return TransactionSignatureInterface */ public function fixSig(Peer $sender, TransactionSignatureInterface $txSig, &$wasMalleated = false) { $sig = $txSig->getSignature(); if (!$this->adapter->validateSignatureElement($sig->getS(), true)) { $ip = $sender->getRemoteAddr()->getIp(); if (!isset($this->violators[$ip])) { $this->violators[$sender->getRemoteAddr()->getIp()] = 1; } else { $this->violators[$sender->getRemoteAddr()->getIp()]++; } $wasMalleated = true; $this->counter++; $txSig = new TransactionSignature($this->adapter, new Signature($this->adapter, $sig->getR(), $this->math->sub($this->order, $sig->getS())), $txSig->getHashType()); if (!$this->adapter->validateSignatureElement($txSig->getSignature()->getS(), true)) { die('failed to produce a low-s signature'); } } return $txSig; }