Chaincode::extractTransactionOptions() - Code Metrics - americanexpress/hyperledger-fabric-sdk-php - Measure and Improve Code Quality continuously with Scrutinizer

Chaincode::extractTransactionOptions() A
last analyzed 2017-12-09 00:02 UTC

↳ Parent: Chaincode

Complexity

Conditions	3
Paths	3

Size

Total Lines	13
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	7
nc	3
nop	1
dl	0
loc	13
rs	9.4285
c	0
b	0
f	0
ccs	8
cts	8
cp	1
crap	3

<?php

/**
 * Copyright 2017 American Express Travel Related Services Company, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

declare(strict_types=1);

namespace AmericanExpress\HyperledgerFabricClient\Chaincode;

use AmericanExpress\HyperledgerFabricClient\Exception\InvalidArgumentException;
use AmericanExpress\HyperledgerFabricClient\Proposal\ResponseCollection;
use AmericanExpress\HyperledgerFabricClient\ProtoFactory\ChaincodeHeaderExtensionFactory;
use AmericanExpress\HyperledgerFabricClient\ProtoFactory\ChaincodeIdFactory;
use AmericanExpress\HyperledgerFabricClient\ProtoFactory\ChaincodeProposalPayloadFactory;
use AmericanExpress\HyperledgerFabricClient\Transaction\TransactionOptions;

/**
 * #### Example Usage
 *
 * ```php
 * $client = ClientFactory::fromConfig(new ClientConfig([]));
 *
 * $responseCollection = $client->getChannel('foo')->getChaincode('bar')->invoke('query', 'foobar');
 * ```
 */
class Chaincode
{
    /**
     * @var string $name
     */
    private $name;

    /**
     * @var string $version
     */
    private $version;

    /**
     * @var string $path
     */
    private $path;

    /**
     * @var ChaincodeProposalProcessorInterface $channel
     */
    private $channel;

    /**
     * Chaincode constructor.
     * @param string | array $nameOrDetails
     * @param ChaincodeProposalProcessorInterface $channel
     * @throws InvalidArgumentException
     */
    public function __construct($nameOrDetails, ChaincodeProposalProcessorInterface $channel)
    {
        $details = $this->normalizeName($nameOrDetails);

        if (empty($details['name'])) {
            throw new InvalidArgumentException('A string name parameter must be provided');
        }

        $this->name = $details['name'];
        $this->version = $details['version'];
        $this->path = $details['path'];
        $this->channel = $channel;
    }

    /**
     * @return string
     */
    public function getName(): string
    {
        return $this->name;
    }

    /**
     * @return string
     */
    public function getVersion(): string
    {
        return $this->version;
    }

    /**
     * @return string
     */
    public function getPath(): string
    {
        return $this->path;
    }

    /**
     * @param string | array $nameOrDetails
     * @return string[]
     * @throws InvalidArgumentException
     */
    private function normalizeName($nameOrDetails): array
    {
        if (\is_string($nameOrDetails)) {
            return ['name' => $nameOrDetails, 'version' => '', 'path' => ''];
        }

        if (!\is_array($nameOrDetails)) {
            throw new InvalidArgumentException('name must be a string or an array');
        }

        return \array_merge(['name' => '', 'version' => '', 'path' => ''], $nameOrDetails);
    }

    /**
     * @param mixed $value
     * @param mixed[] $array
     * @return mixed[]
     */
    private function prependValueToArray($value, array $array): array
    {
        array_unshift($array, $value);
        return $array;
    }

    /**
     * @param string $name
     * @param mixed[] $args
     * @param TransactionOptions|null $options
     * @return ResponseCollection
     */
    private function executeCommand(
        string $name,
        array $args = [],
        TransactionOptions $options = null
    ): ResponseCollection {
        $chaincodeId = ChaincodeIdFactory::create(
            $this->path,
            $this->name,
            $this->version
        );

        $chaincodeHeaderExtension = ChaincodeHeaderExtensionFactory::fromChaincodeId($chaincodeId);

        $nameAndArguments = $this->prependValueToArray($name, $args);
        $chaincodeProposalPayload = ChaincodeProposalPayloadFactory::fromChaincodeInvocationSpecArgs(
            $nameAndArguments
        );

        return $this->channel->processChaincodeProposal(
            $chaincodeProposalPayload,
            $chaincodeHeaderExtension,
            $options
        );
    }

    /**
     * @param mixed[] $arguments
     * @return TransactionOptions|null
     */
    private function extractTransactionOptions(array $arguments): ?TransactionOptions
    {
        $transactionRequest = null;
        if (count($arguments) > 0) {
            $lastArgumentIndex = count($arguments) - 1;
            $lastArgument = $arguments[$lastArgumentIndex];

            if ($lastArgument instanceof TransactionOptions) {
                $transactionRequest = $lastArgument;
            }
        }

        return $transactionRequest;
    }

    /**
     *
     * Execute a proposal against a Chaincode. Because Chaincodes have variable methods, __call allows for dynamic
     * function submission
     *
     * @param string $name
     * @param array $arguments
     * @return ResponseCollection
     */
    public function __call(string $name, array $arguments = []): ResponseCollection
    {
        $options = $this->extractTransactionOptions($arguments);
        if ($options !== null) {
            array_pop($arguments);
        }

        return $this->executeCommand($name, $arguments, $options);
    }

    /**
     *
     * Typing the default call to a Chaincode (invoke)
     *
     * @param array ...$args
     * @return ResponseCollection
     */
    public function invoke(...$args): ResponseCollection
    {
        return $this->__call('invoke', $args);
    }
}


1		<?php
2
3		/**
4		* Copyright 2017 American Express Travel Related Services Company, Inc.
5		*
6		* Licensed under the Apache License, Version 2.0 (the "License");
7		* you may not use this file except in compliance with the License.
8		* You may obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing, software
13		* distributed under the License is distributed on an "AS IS" BASIS,
14		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
15		* or implied. See the License for the specific language governing
16		* permissions and limitations under the License.
17		*/
18
19		declare(strict_types=1);
20
21		namespace AmericanExpress\HyperledgerFabricClient\Chaincode;
22
23		use AmericanExpress\HyperledgerFabricClient\Exception\InvalidArgumentException;
24		use AmericanExpress\HyperledgerFabricClient\Proposal\ResponseCollection;
25		use AmericanExpress\HyperledgerFabricClient\ProtoFactory\ChaincodeHeaderExtensionFactory;
26		use AmericanExpress\HyperledgerFabricClient\ProtoFactory\ChaincodeIdFactory;
27		use AmericanExpress\HyperledgerFabricClient\ProtoFactory\ChaincodeProposalPayloadFactory;
28		use AmericanExpress\HyperledgerFabricClient\Transaction\TransactionOptions;
29
30		/**
31		* #### Example Usage
32		*
33		* ```php
34		* $client = ClientFactory::fromConfig(new ClientConfig([]));
35		*
36		* $responseCollection = $client->getChannel('foo')->getChaincode('bar')->invoke('query', 'foobar');
37		* ```
38		*/
39		class Chaincode
40		{
41		/**
42		* @var string $name
43		*/
44		private $name;
45
46		/**
47		* @var string $version
48		*/
49		private $version;
50
51		/**
52		* @var string $path
53		*/
54		private $path;
55
56		/**
57		* @var ChaincodeProposalProcessorInterface $channel
58		*/
59		private $channel;
60
61		/**
62		* Chaincode constructor.
63		* @param string \| array $nameOrDetails
64		* @param ChaincodeProposalProcessorInterface $channel
65		* @throws InvalidArgumentException
66		*/
67	14	public function __construct($nameOrDetails, ChaincodeProposalProcessorInterface $channel)
68		{
69	14	$details = $this->normalizeName($nameOrDetails);
70
71	14	if (empty($details['name'])) {
72	2	throw new InvalidArgumentException('A string name parameter must be provided');
73		}
74
75	14	$this->name = $details['name'];
76	14	$this->version = $details['version'];
77	14	$this->path = $details['path'];
78	14	$this->channel = $channel;
79	14	}
80
81		/**
82		* @return string
83		*/
84	7	public function getName(): string
85		{
86	7	return $this->name;
87		}
88
89		/**
90		* @return string
91		*/
92	2	public function getVersion(): string
93		{
94	2	return $this->version;
95		}
96
97		/**
98		* @return string
99		*/
100	2	public function getPath(): string
101		{
102	2	return $this->path;
103		}
104
105		/**
106		* @param string \| array $nameOrDetails
107		* @return string[]
108		* @throws InvalidArgumentException
109		*/
110	14	private function normalizeName($nameOrDetails): array
111		{
112	14	if (\is_string($nameOrDetails)) {
113	14	return ['name' => $nameOrDetails, 'version' => '', 'path' => ''];
114		}
115
116	4	if (!\is_array($nameOrDetails)) {
117	1	throw new InvalidArgumentException('name must be a string or an array');
118		}
119
120	3	return \array_merge(['name' => '', 'version' => '', 'path' => ''], $nameOrDetails);
121		}
122
123		/**
124		* @param mixed $value
125		* @param mixed[] $array
126		* @return mixed[]
127		*/
128	7	private function prependValueToArray($value, array $array): array
129		{
130	7	array_unshift($array, $value);
131	7	return $array;
132		}
133
134		/**
135		* @param string $name
136		* @param mixed[] $args
137		* @param TransactionOptions\|null $options
138		* @return ResponseCollection
139		*/
140	7	private function executeCommand(
141		string $name,
142		array $args = [],
143		TransactionOptions $options = null
144		): ResponseCollection {
145	7	$chaincodeId = ChaincodeIdFactory::create(
146	7	$this->path,
147	7	$this->name,
148	7	$this->version
149		);
150
151	7	$chaincodeHeaderExtension = ChaincodeHeaderExtensionFactory::fromChaincodeId($chaincodeId);
152
153	7	$nameAndArguments = $this->prependValueToArray($name, $args);
154	7	$chaincodeProposalPayload = ChaincodeProposalPayloadFactory::fromChaincodeInvocationSpecArgs(
155	7	$nameAndArguments
156		);
157
158	7	return $this->channel->processChaincodeProposal(
159	7	$chaincodeProposalPayload,
160	7	$chaincodeHeaderExtension,
161	7	$options
162		);
163		}
164
165		/**
166		* @param mixed[] $arguments
167		* @return TransactionOptions\|null
168		*/
169	7	private function extractTransactionOptions(array $arguments): ?TransactionOptions
170		{
171	7	$transactionRequest = null;
172	7	if (count($arguments) > 0) {
173	6	$lastArgumentIndex = count($arguments) - 1;
174	6	$lastArgument = $arguments[$lastArgumentIndex];
175
176	6	if ($lastArgument instanceof TransactionOptions) {
177	3	$transactionRequest = $lastArgument;
178		}
179		}
180
181	7	return $transactionRequest;
182		}
183
184		/**
185		*
186		* Execute a proposal against a Chaincode. Because Chaincodes have variable methods, __call allows for dynamic
187		* function submission
188		*
189		* @param string $name
190		* @param array $arguments
191		* @return ResponseCollection
192		*/
193	7	public function __call(string $name, array $arguments = []): ResponseCollection
194		{
195	7	$options = $this->extractTransactionOptions($arguments);
196	7	if ($options !== null) {
197	3	array_pop($arguments);
198		}
199
200	7	return $this->executeCommand($name, $arguments, $options);
201		}
202
203		/**
204		*
205		* Typing the default call to a Chaincode (invoke)
206		*
207		* @param array ...$args
208		* @return ResponseCollection
209		*/
210	2	public function invoke(...$args): ResponseCollection
211		{
212	2	return $this->__call('invoke', $args);
213		}
214		}
215

americanexpress / hyperledger-fabric-sdk-php

Chaincode::extractTransactionOptions() A last analyzed 2017-12-09 00:02 UTC

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Chaincode::extractTransactionOptions() A
last analyzed 2017-12-09 00:02 UTC