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<?php |
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namespace BitWasp\Bitcoin\Address; |
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use BitWasp\Bitcoin\Base58; |
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use BitWasp\Bitcoin\Bitcoin; |
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use BitWasp\Bitcoin\Exceptions\UnrecognizedAddressException; |
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use BitWasp\Bitcoin\Exceptions\UnrecognizedScriptForAddressException; |
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use BitWasp\Bitcoin\Network\NetworkInterface; |
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use BitWasp\Bitcoin\Script\Classifier\OutputClassifier; |
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use BitWasp\Bitcoin\Script\P2shScript; |
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use BitWasp\Bitcoin\Script\ScriptInterface; |
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use BitWasp\Bitcoin\Script\ScriptType; |
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use BitWasp\Bitcoin\Script\WitnessProgram; |
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use BitWasp\Bitcoin\Script\WitnessScript; |
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use BitWasp\Bitcoin\SegwitBech32; |
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use BitWasp\Buffertools\BufferInterface; |
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class AddressCreator extends BaseAddressCreator |
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{ |
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/** |
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* @param string $strAddress |
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* @param NetworkInterface $network |
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* @return Base58Address|null |
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*/ |
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protected function readBase58Address($strAddress, NetworkInterface $network) |
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{ |
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try { |
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$data = Base58::decodeCheck($strAddress); |
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$prefixByte = $data->slice(0, 1)->getHex(); |
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if ($prefixByte === $network->getP2shByte()) { |
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return new ScriptHashAddress($data->slice(1)); |
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} else if ($prefixByte === $network->getAddressByte()) { |
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return new PayToPubKeyHashAddress($data->slice(1)); |
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} |
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} catch (\Exception $e) { |
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// Just return null |
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} |
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return null; |
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} |
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/** |
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* @param string $strAddress |
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* @param NetworkInterface $network |
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* @return SegwitAddress|null |
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*/ |
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protected function readSegwitAddress($strAddress, NetworkInterface $network) |
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{ |
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try { |
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return new SegwitAddress(SegwitBech32::decode($strAddress, $network)); |
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} catch (\Exception $e) { |
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// Just return null |
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} |
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return null; |
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} |
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/** |
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* @param ScriptInterface $outputScript |
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* @return Address|PayToPubKeyHashAddress|ScriptHashAddress|SegwitAddress |
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* @throws UnrecognizedScriptForAddressException |
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*/ |
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public function fromOutputScript(ScriptInterface $outputScript) |
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{ |
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if ($outputScript instanceof P2shScript || $outputScript instanceof WitnessScript) { |
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throw new \RuntimeException("P2shScript & WitnessScript's are not accepted by fromOutputScript"); |
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} |
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$wp = null; |
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if ($outputScript->isWitness($wp)) { |
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/** @var WitnessProgram $wp */ |
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return new SegwitAddress($wp); |
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} |
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$decode = (new OutputClassifier())->decode($outputScript); |
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switch ($decode->getType()) { |
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case ScriptType::P2PKH: |
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/** @var BufferInterface $solution */ |
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return new PayToPubKeyHashAddress($decode->getSolution()); |
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case ScriptType::P2SH: |
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/** @var BufferInterface $solution */ |
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return new ScriptHashAddress($decode->getSolution()); |
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default: |
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throw new UnrecognizedScriptForAddressException('Script type is not associated with an address'); |
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} |
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} |
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/** |
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* @param string $strAddress |
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* @param NetworkInterface|null $network |
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* @return Address |
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* @throws UnrecognizedAddressException |
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*/ |
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public function fromString($strAddress, NetworkInterface $network = null) |
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{ |
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$network = $network ?: Bitcoin::getNetwork(); |
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if (($base58Address = $this->readBase58Address($strAddress, $network))) { |
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return $base58Address; |
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} |
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if (($bech32Address = $this->readSegwitAddress($strAddress, $network))) { |
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return $bech32Address; |
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} |
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throw new UnrecognizedAddressException("Address not understood"); |
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} |
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} |
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Bit-Wasp /
bitcoin-php
