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<?php |
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namespace LaravelCryptoStats\Connectors; |
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use Exception; |
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use LaravelCryptoStats\Services\EthereumValidator; |
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class EtherscanConnector extends AbstractConnector |
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{ |
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public $supported_currencies = ['ETH']; |
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protected $api_url_prefix = 'https://api.etherscan.io/api?'; |
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protected $api_description = 'https://etherscan.io/apis'; |
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protected $block_link_prefix = 'https://etherscan.io/address/'; |
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public function validateAddress(string $address): bool |
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{ |
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if ($address) { |
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return EthereumValidator::isAddress($address); |
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} |
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throw new Exception('Wallet address can not be empty!'); |
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} |
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public function getBalance(string $address): float |
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{ |
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if ($address) { |
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$url = $this->api_url_prefix.'module=account&action=balance&address='.$address.'&tag=latest&apikey='.$this->config['etherscan_api_key']; |
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$response = $this->apiCall($url); |
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if (is_numeric($response)) { |
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$balance = $this->convertFromWei($response); |
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return $this->roundBalance($balance); |
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} else { |
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throw new Exception($response); |
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} |
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} |
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throw new Exception('Wallet address can not be empty!'); |
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} |
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public function getBlockExplorerLink(string $address): string |
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{ |
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if ($address) { |
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return $this->block_link_prefix.$address; |
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} |
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throw new Exception('Wallet address can not be empty!'); |
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} |
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protected function apiCall(string $url) |
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{ |
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$response = $this->sendApiRequest($url); |
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if ($response && isset($response['status']) && isset($response['result'])) { |
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return $response['result']; |
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} |
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throw new Exception('Output data is not correct. Check the API description - '.$this->api_description.'!'); |
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} |
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/** |
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* Convert balance of the ETH wallet from the Wei points to the float. |
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* |
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* @param int $balance |
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* |
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* @return float |
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*/ |
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private function convertFromWei($balance): float |
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{ |
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return $balance / pow(10, 18); |
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} |
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} |
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Pashaster12 /
laravel-crypto-stats
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