BitWasp\Bitcoin\Script\Interpreter\BitcoinCashChecker::getSigHash()

Complexity

Conditions	5
Paths	5

Size

Total Lines	26
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	30

Importance

Changes

0

<?php
    public function getSigHash(ScriptInterface $script, $sigHashType, $sigVersion)
    {
        if ($sigVersion !== 0) {
            throw new \RuntimeException("SigVersion must be 0");
        }

        $cacheCheck = $sigHashType . $script->getBuffer()->getBinary();
        if (!isset($this->sigHashCache[$cacheCheck])) {
            if ($sigHashType & SigHash::BITCOINCASH) {
                $hasher = new V1Hasher($this->transaction, $this->amount);
            } else {
                if ($this->hasherV0) {
                    $hasher = $this->hasherV0;
                } else {
                    $hasher = $this->hasherV0 = new Hasher($this->transaction);
                }
            }

            $hash = $hasher->calculate($script, $this->nInput, $sigHashType);
            $this->sigHashCache[$cacheCheck] = $hash->getBinary();
        } else {
            $hash = new Buffer($this->sigHashCache[$cacheCheck], 32, $this->adapter->getMath());
        }

        return $hash;
    }
}