BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Key\XOnlyPublicKey

Complexity

Total Complexity

9

Size/Duplication

Total Lines	58
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	14	5
A	verifySchnorr()	0	4	1
A	getBuffer()	0	8	2
A	doVerifySchnorr()	0	3	1

<?php declare(strict_types=1);

namespace BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Key;


use BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Signature\SchnorrSignature;
use BitWasp\Bitcoin\Crypto\EcAdapter\Key\XOnlyPubKeyInterface;
use BitWasp\Bitcoin\Crypto\EcAdapter\Signature\SchnorrSignatureInterface;
use BitWasp\Buffertools\Buffer;
use BitWasp\Buffertools\BufferInterface;

class XOnlyPublicKey implements XOnlyPubKeyInterface
{
    /**
     * @var resource
     */
    private $context;

    /**
     * @var resource
     */
    private $xonlyKey;

    /**
     * @var bool
     */
    private $isCompressed;

    /**
     * XOnlyPublicKey constructor.
     * @param $context
     * @param $xonlyKey
     * @param bool $isCompressed
     */
    public function __construct($context, $xonlyKey, bool $isCompressed)
    {
        if (!is_resource($context) ||
            !get_resource_type($context) === SECP256K1_TYPE_CONTEXT) {
            throw new \InvalidArgumentException('Secp256k1\Key\XOnlyPublicKey expects ' . SECP256K1_TYPE_CONTEXT . ' resource');
        }

        if (!(is_resource($xonlyKey) && get_resource_type($xonlyKey) === SECP256K1_TYPE_XONLY_PUBKEY)) {

The constant BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Key\SECP256K1_TYPE_XONLY_PUBKEY was not found. Maybe you did not declare it correctly or list all dependencies?

            throw new \InvalidArgumentException('Secp256k1\Key\XOnlyPublicKey expects ' . SECP256K1_TYPE_XONLY_PUBKEY . ' resource');
        }

        $this->context = $context;
        $this->xonlyKey = $xonlyKey;
        $this->isCompressed = $isCompressed;
    }

    private function doVerifySchnorr(BufferInterface $msg32, SchnorrSignature $schnorrSig): bool
    {
        return (bool) secp256k1_schnorrsig_verify($this->context, $schnorrSig->getResource(), $msg32->getBinary(), $this->xonlyKey);

The function secp256k1_schnorrsig_verify was not found. Maybe you did not declare it correctly or list all dependencies?

    }

    public function verifySchnorr(BufferInterface $msg32, SchnorrSignatureInterface $schnorrSignature): bool
    {
        /** @var SchnorrSignature $schnorrSignature */
        return $this->doVerifySchnorr($msg32, $schnorrSignature);
    }

    public function getBuffer(): BufferInterface
    {
        $out = '';
        var_dump($this->xonlyKey);

var_dump($this->xonlyKey) looks like debug code. Are you sure you do not want to remove it?

        if (!secp256k1_xonly_pubkey_serialize($this->context, $out, $this->xonlyKey)) {

The function secp256k1_xonly_pubkey_serialize was not found. Maybe you did not declare it correctly or list all dependencies?

            throw new \RuntimeException("failed to serialize xonly pubkey!");
        }
        return new Buffer($out);
    }
}