public function balance($address, $tag = EtherscanAPIConf::TAG_LATEST) {
        return $this->request->exec([
            'module' => "account",
            'action' => "balance",
            'address' => $address,
            'tag' => $tag
        ]);
    }
public function balance($address, $tag = EtherscanAPIConf::TAG_LATEST) {
        return $this->request->exec([
            'module' => "account",
            'action' => "balance",
            'address' => $address,
            'tag' => $tag
        ]);
    }
public function balance ( $ address , $ tag = EtherscanAPIConf :: TAG_LATEST ) { return $ this -> request -> exec ( [ 'module' => "account" , 'action' => "balance" , 'address' => $ address , 'tag' => $ tag ] ) ; }
Get Ether Balance for a single Address.

@param string $address Ether address.
@param string $tag

@return array
Get Ether Balance for a single Address .