KevaChat/kevacoin-php
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14
README.md
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# kevacoin-php
kevacoin library for PHP
```
$client = new \Kevachat\Kevacoin\Client(
KEVA_PROTOCOL,
KEVA_HOST,
KEVA_PORT,
KEVA_USERNAME,
KEVA_PASSWORD
);
echo $client->getBlockCount();
```

218
src/Client.php Normal file
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<?php
namespace Kevachat\Kevacoin;
class Client
{
private $_id = 0;
private $_curl;
private $_protocol;
private $_host;
private $_port;
public function __construct(
string $protocol,
string $host,
int $port,
string $username,
string $password
)
{
$this->_protocol = $protocol;
$this->_host = $host;
$this->_port = $port;
$this->_curl = curl_init();
curl_setopt_array(
$this->_curl,
[
CURLOPT_RETURNTRANSFER => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_FRESH_CONNECT => true,
CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
CURLOPT_USERPWD => $username . ':' . $password,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_HTTPHEADER => [
'Content-Type: application/plain',
],
]
);
}
public function __destruct()
{
curl_close(
$this->_curl
);
}
private function _prepare(
string $url,
string $method = 'POST',
array $data = []
) {
curl_setopt(
$this->_curl,
CURLOPT_URL,
$this->_protocol . '://' . $this->_host . ':' . $this->_port . $url
);
curl_setopt(
$this->_curl,
CURLOPT_CUSTOMREQUEST,
$method
);
if ($method == 'POST' && $data)
{
curl_setopt(
$this->_curl,
CURLOPT_data,
json_encode(
$data
)
);
}
}
private function _execute(
bool $json = true
): ?string
{
$response = curl_exec(
$this->_curl
);
$errorNumber = curl_errno(
$this->_curl
);
$errorText = curl_error(
$this->_curl
);
if ($response)
{
return $json ? json_decode($response) : $response;
}
return null;
}
public function getBlockCount(): ?int
{
$this->_id++;
$this->_prepare(
'',
'POST',
[
'method' => 'getblockcount',
'params' => [],
'id' => $this->_id
]
);
$response = $this->_execute();
if (isset($response['result']) && is_int($response['result']))
{
return $response['result'];
}
return null;
}
public function getBlockHash(
int $block
): ?string
{
$this->_id++;
$this->_prepare(
'',
'POST',
[
'method' => 'getblockhash',
'params' =>
[
$block
],
'id' => $this->_id
]
);
$response = $this->_execute();
if (isset($response['result']) && 64 == strlen($response['result']))
{
return $response['result'];
}
return null;
}
public function getBlock(
string $hash
): mixed
{
$this->_id++;
$this->_prepare(
'',
'POST',
[
'method' => 'getblock',
'params' =>
[
$hash
],
'id' => $this->_id
]
);
$response = $this->_execute();
if (!empty($response['result']))
{
return $response['result'];
}
return null;
}
public function getRawTransaction(
string $txid,
bool $decode = true
): mixed
{
$this->_id++;
$this->_prepare(
'',
'POST',
[
'method' => 'getrawtransaction',
'params' =>
[
$txid,
$decode
],
'id' => $this->_id
]
);
$response = $this->_execute();
if (!empty($response['result']))
{
return $response['result'];
}
return null;
}
}