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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\Flags; |
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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\InputScriptFactory; |
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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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* @return InputScriptFactory |
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*/ |
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public static function scriptSig() |
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{ |
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return new InputScriptFactory(); |
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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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* @return P2shScriptFactory |
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*/ |
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public static function p2sh() |
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{ |
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return new P2shScriptFactory(self::scriptPubKey()); |
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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 Flags |
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*/ |
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public static function defaultFlags() |
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{ |
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return new Flags( |
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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_CHECKSEQUENCEVERIFY |
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); |
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} |
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/** |
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* @param Flags|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 $flags = null, EcAdapterInterface $ecAdapter = null) |
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{ |
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return new NativeConsensus($ecAdapter ?: Bitcoin::getEcAdapter(), $flags ?: self::defaultFlags()); |
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} |
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/** |
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* @param Flags|null $flags |
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* @return BitcoinConsensus |
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*/ |
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public static function getBitcoinConsensus(Flags $flags = null) |
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{ |
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return new BitcoinConsensus($flags ?: self::defaultFlags()); |
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} |
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/** |
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* @param Flags|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 $flags = null, 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
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This error could be the result of:
1. Missing dependencies
PHP Analyzer uses your
composer.jsonfile (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects thecomposer.jsonto be in the root folder of your repository.Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the
requireorrequire-devsection?2. Missing use statement
PHP does not complain about undefined classes in
ìnstanceofchecks. For example, the following PHP code will work perfectly fine:If you have not tested against this specific condition, such errors might go unnoticed.