private function verifyBaseSignature(Base $transaction)
{
$issuer = $transaction->getIssuerAddress();
if (!$this->key->verify(Signer::squash($transaction), $issuer, $transaction->getSignature())) {
$this->errors[] = "Invalid signature by [{$issuer}]";
}
}
/**
* Creates a new coin with a value proportional to the bases of the backer.
*
* @param Binary $backerKey
* @param Coin $coin
* @return Coin
* @throws \Exception
*/
public function confirmCoin(Binary $backerKey, Coin $coin)
{
$backer = $this->key->getAddress($backerKey);
$confirmed = $coin->confirm($backer, new Signer($this->key, $backerKey));
(new Verification($this->key))->verify($confirmed)->mustBeOk();
return $confirmed;
}
