BitWasp\Bitcoin\Script\ScriptFactory

Complexity

Total Complexity

16

Size/Duplication

Total Lines	103
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	9

Test Coverage

Coverage

88.46%

Importance

Changes	9
Bugs	0	Features	2

10 Methods

Rating	Name	Duplication	Size	Complexity
A	scriptPubKey()	0	4	1
A	create()	0	4	3
A	sequence()	0	4	1
A	p2sh()	0	4	2
A	info()	0	4	1
A	defaultFlags()	0	9	1
A	fromHex()	0	4	2
A	getNativeConsensus()	0	4	2
A	getBitcoinConsensus()	0	4	1
A	consensus()	0	8	2

<?php

namespace BitWasp\Bitcoin\Script;

use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface;
use BitWasp\Bitcoin\Math\Math;
use BitWasp\Bitcoin\Script\Consensus\BitcoinConsensus;
use BitWasp\Bitcoin\Script\Consensus\NativeConsensus;
use BitWasp\Bitcoin\Script\Factory\OutputScriptFactory;
use BitWasp\Bitcoin\Script\Factory\P2shScriptFactory;
use BitWasp\Bitcoin\Script\Factory\ScriptCreator;
use BitWasp\Bitcoin\Script\Factory\ScriptInfoFactory;
use BitWasp\Bitcoin\Script\Interpreter\InterpreterInterface;
use BitWasp\Buffertools\Buffer;
use BitWasp\Buffertools\BufferInterface;

class ScriptFactory
{
    /**
     * @param BufferInterface|string $string
     * @return Script
     */
    public static function fromHex($string)
    {
        return self::create($string instanceof BufferInterface ? $string : Buffer::hex($string))->getScript();
    }

    /**
     * @param BufferInterface|null $buffer
     * @param Opcodes|null $opcodes
     * @param Math|null $math
     * @return ScriptCreator
     */
    public static function create(BufferInterface $buffer = null, Opcodes $opcodes = null, Math $math = null)
    {
        return new ScriptCreator($math ?: Bitcoin::getMath(), $opcodes ?: new Opcodes(), $buffer);
    }

    /**
     * @param int[]|\BitWasp\Bitcoin\Script\Interpreter\Number[]|BufferInterface[] $sequence
     * @return ScriptInterface
     */
    public static function sequence(array $sequence)
    {
        return self::create()->sequence($sequence)->getScript();
    }

    /**
     * @return OutputScriptFactory
     */
    public static function scriptPubKey()
    {
        return new OutputScriptFactory();
    }

    /**
     * @param Opcodes|null $opcodes
     * @return P2shScriptFactory
     */
    public static function p2sh(Opcodes $opcodes = null)
    {
        return new P2shScriptFactory(self::scriptPubKey(), $opcodes ?: new Opcodes());
    }

    /**
     * @param ScriptInterface $script
     * @return ScriptInfo\ScriptInfoInterface
     */
    public static function info(ScriptInterface $script)
    {
        return (new ScriptInfoFactory())->load($script);
    }

    /**
     * @return int
     */
    public static function defaultFlags()
    {
        return
            InterpreterInterface::VERIFY_P2SH | InterpreterInterface::VERIFY_STRICTENC | InterpreterInterface::VERIFY_DERSIG |
            InterpreterInterface::VERIFY_LOW_S | InterpreterInterface::VERIFY_NULL_DUMMY | InterpreterInterface::VERIFY_SIGPUSHONLY |
            InterpreterInterface::VERIFY_DISCOURAGE_UPGRADABLE_NOPS | InterpreterInterface::VERIFY_CLEAN_STACK |
            InterpreterInterface::VERIFY_CHECKLOCKTIMEVERIFY | InterpreterInterface::VERIFY_WITNESS
        ;
    }

    /**
     * @param int|null $flags
     * @param EcAdapterInterface|null $ecAdapter
     * @return NativeConsensus
     */
    public static function getNativeConsensus($flags, EcAdapterInterface $ecAdapter = null)
    {
        return new NativeConsensus($ecAdapter ?: Bitcoin::getEcAdapter(), $flags);
    }

    /**
     * @param int|null $flags
     * @return BitcoinConsensus
     */
    public static function getBitcoinConsensus($flags)
    {
        return new BitcoinConsensus($flags);
    }

    /**
     * @param int|null $flags
     * @param EcAdapterInterface|null $ecAdapter
     * @return \BitWasp\Bitcoin\Script\Consensus\ConsensusInterface
     */
    public static function consensus($flags, EcAdapterInterface $ecAdapter = null)
    {
        if (extension_loaded('bitcoinconsensus')) {
            return self::getBitcoinConsensus($flags);
        } else {
            return self::getNativeConsensus($flags, $ecAdapter);
        }
    }
}