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<?php |
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namespace BitWasp\Bitcoin\Script; |
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use BitWasp\Bitcoin\Bitcoin; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface; |
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use BitWasp\Bitcoin\Math\Math; |
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use BitWasp\Bitcoin\Script\Consensus\BitcoinConsensus; |
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use BitWasp\Bitcoin\Script\Consensus\NativeConsensus; |
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use BitWasp\Bitcoin\Script\Factory\OutputScriptFactory; |
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use BitWasp\Bitcoin\Script\Factory\P2shScriptFactory; |
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use BitWasp\Bitcoin\Script\Factory\ScriptCreator; |
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use BitWasp\Bitcoin\Script\Factory\ScriptInfoFactory; |
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use BitWasp\Bitcoin\Script\Interpreter\InterpreterInterface; |
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use BitWasp\Buffertools\Buffer; |
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use BitWasp\Buffertools\BufferInterface; |
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class ScriptFactory |
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{ |
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/** |
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* @param BufferInterface|string $string |
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* @return Script |
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*/ |
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public static function fromHex($string) |
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{ |
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return self::create($string instanceof BufferInterface ? $string : Buffer::hex($string))->getScript(); |
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} |
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/** |
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* @param BufferInterface|null $buffer |
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* @param Opcodes|null $opcodes |
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* @param Math|null $math |
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* @return ScriptCreator |
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*/ |
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public static function create(BufferInterface $buffer = null, Opcodes $opcodes = null, Math $math = null) |
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{ |
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return new ScriptCreator($math ?: Bitcoin::getMath(), $opcodes ?: new Opcodes(), $buffer); |
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} |
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/** |
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* @param int[]|\BitWasp\Bitcoin\Script\Interpreter\Number[]|BufferInterface[] $sequence |
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* @return ScriptInterface |
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*/ |
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public static function sequence(array $sequence) |
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{ |
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return self::create()->sequence($sequence)->getScript(); |
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} |
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/** |
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* @return OutputScriptFactory |
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*/ |
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public static function scriptPubKey() |
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{ |
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return new OutputScriptFactory(); |
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} |
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/** |
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* @param Opcodes|null $opcodes |
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* @return P2shScriptFactory |
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*/ |
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public static function p2sh(Opcodes $opcodes = null) |
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{ |
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return new P2shScriptFactory(self::scriptPubKey(), $opcodes ?: new Opcodes()); |
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} |
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/** |
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* @param ScriptInterface $script |
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* @param ScriptInterface|null $redeemScript |
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* @return ScriptInfo\ScriptInfoInterface |
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*/ |
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public static function info(ScriptInterface $script, ScriptInterface $redeemScript = null) |
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{ |
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return (new ScriptInfoFactory())->load($script, $redeemScript); |
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} |
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/** |
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* @return int |
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*/ |
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public static function defaultFlags() |
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{ |
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return |
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InterpreterInterface::VERIFY_P2SH | InterpreterInterface::VERIFY_STRICTENC | InterpreterInterface::VERIFY_DERSIG | |
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InterpreterInterface::VERIFY_LOW_S | InterpreterInterface::VERIFY_NULL_DUMMY | InterpreterInterface::VERIFY_SIGPUSHONLY | |
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InterpreterInterface::VERIFY_DISCOURAGE_UPGRADABLE_NOPS | InterpreterInterface::VERIFY_CLEAN_STACK | |
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InterpreterInterface::VERIFY_CHECKLOCKTIMEVERIFY | InterpreterInterface::VERIFY_WITNESS |
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; |
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} |
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/** |
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* @param int|null $flags |
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* @param EcAdapterInterface|null $ecAdapter |
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* @return NativeConsensus |
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*/ |
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public static function getNativeConsensus($flags = null, EcAdapterInterface $ecAdapter = null) |
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{ |
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if ($flags === null) { |
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$flags = self::defaultFlags(); |
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} |
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return new NativeConsensus($ecAdapter ?: Bitcoin::getEcAdapter(), $flags); |
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} |
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/** |
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* @param int|null $flags |
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* @return BitcoinConsensus |
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*/ |
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public static function getBitcoinConsensus($flags = null) |
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{ |
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if ($flags === null) { |
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$flags = self::defaultFlags(); |
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} |
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return new BitcoinConsensus($flags); |
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} |
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/** |
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* @param int|null $flags |
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* @param EcAdapterInterface|null $ecAdapter |
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* @return \BitWasp\Bitcoin\Script\Consensus\ConsensusInterface |
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*/ |
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public static function consensus($flags, EcAdapterInterface $ecAdapter = null) |
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{ |
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if (extension_loaded('bitcoinconsensus')) { |
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return self::getBitcoinConsensus($flags); |
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} else { |
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return self::getNativeConsensus($flags, $ecAdapter); |
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} |
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} |
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} |
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Bit-Wasp /
bitcoin-php
