request($method, $params);             return $ret;         } catch (RPCException $e) {
              throw $e;         }     }     private function decode_hex($input)     {
          if (substr($input, 0, 2) == '0x') {
              $input = substr($input, 2);         }         if (preg_match('/[a-f0-9]+/', $input)) {
              return hexdec($input);         }         return $input;     }     public function web3_clientVersion()     {
          return $this->ether_request(__FUNCTION__);     }     public function web3_sha3($input)     {
          return $this->ether_request(__FUNCTION__, array($input));     }     public function net_version()     {
          return $this->ether_request(__FUNCTION__);     }     public function net_listening()     {
          return $this->ether_request(__FUNCTION__);     }     public function net_peerCount()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_protocolVersion()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_coinbase()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_mining()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_hashrate()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_gasPrice()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_accounts()     {
          return $this->ether_request(__FUNCTION__);     }     public function personal_newAccount($passwd)     {
          return $this->ether_request(__FUNCTION__, array($passwd));     }     public function personal_unlockAccount($account, $passwd)     {
          return $this->ether_request(__FUNCTION__, array($account,$passwd));     }     public function eth_blockNumber($decode_hex=false)     {
          $block = $this->ether_request(__FUNCTION__);         if ($decode_hex) {
              $block = $this->decode_hex($block);         }         return $block;     }     public function eth_getBalance($address, $block='latest', $decode_hex=false)     {
          $balance = $this->ether_request(__FUNCTION__, array($address, $block));         if ($decode_hex) {
              $balance = $this->decode_hex($balance);         }         return $balance;     }     public function eth_getStorageAt($address, $at, $block='latest')     {
          return $this->ether_request(__FUNCTION__, array($address, $at, $block));     }     public function eth_getTransactionCount($address, $block='latest', $decode_hex=false)     {
          $count = $this->ether_request(__FUNCTION__, array($address, $block));         if ($decode_hex) {
              $count = $this->decode_hex($count);         }         return $count;     }     public function eth_getBlockTransactionCountByHash($tx_hash)     {
          return $this->ether_request(__FUNCTION__, array($tx_hash));     }     public function eth_getBlockTransactionCountByNumber($tx='latest')     {
          return $this->ether_request(__FUNCTION__, array($tx));     }     public function eth_getUncleCountByBlockHash($block_hash)     {
          return $this->ether_request(__FUNCTION__, array($block_hash));     }     public function eth_getUncleCountByBlockNumber($block='latest')     {
          return $this->ether_request(__FUNCTION__, array($block));     }     public function eth_getCode($address, $block='latest')     {
          return $this->ether_request(__FUNCTION__, array($address, $block));     }     public function eth_sign($address, $input)     {
          return $this->ether_request(__FUNCTION__, array($address, $input));     }     // function eth_sendTransaction($transaction)     // {
      //     if(!is_a($transaction, 'Ethereum_Transaction'))     //     {
      //        throw new ErrorException('Transaction object expected');     //     }     //     else     //     {
      //        return $this->ether_request(__FUNCTION__, $transaction->toArray());     //     }     // }     public function eth_sendTransaction($account_from, $account_to, $amount)     {
          return $this->ether_request(__FUNCTION__, array(array("from"=>$account_from,"to"=>$account_to,"value"=>'0x'.$amount, "gas" => '0x5208', "gasPrice" => '0x55ae82600'))); // "gas" => '0xc350', "gasPrice" => '0x1a13b8600'     }     public function eth_call($message, $block)     {
          if (!is_a($message, 'Ethereum_Message')) {
              throw new ErrorException('Message object expected');         } else {
              return $this->ether_request(__FUNCTION__, $message->toArray());         }     }     public function eth_estimateGas($message, $block)     {
          if (!is_a($message, 'Ethereum_Message')) {
              throw new ErrorException('Message object expected');         } else {
              return $this->ether_request(__FUNCTION__, $message->toArray());         }     }     public function eth_getBlockByHash($hash, $full_tx=true)     {
          return $this->ether_request(__FUNCTION__, array($hash, $full_tx));     }     public function eth_getBlockByNumber($block='latest', $full_tx=true)     {
          return $this->ether_request(__FUNCTION__, array($block, $full_tx));     }     public function eth_getTransactionByHash($hash)     {
          return $this->ether_request(__FUNCTION__, array($hash));     }     public function eth_getTransactionByBlockHashAndIndex($hash, $index)     {
          return $this->ether_request(__FUNCTION__, array($hash, $index));     }     public function eth_getTransactionByBlockNumberAndIndex($block, $index)     {
          return $this->ether_request(__FUNCTION__, array($block, $index));     }     public function eth_getTransactionReceipt($tx_hash)     {
          return $this->ether_request(__FUNCTION__, array($tx_hash));     }     public function eth_getUncleByBlockHashAndIndex($hash, $index)     {
          return $this->ether_request(__FUNCTION__, array($hash, $index));     }     public function eth_getUncleByBlockNumberAndIndex($block, $index)     {
          return $this->ether_request(__FUNCTION__, array($block, $index));     }     public function eth_getCompilers()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_compileSolidity($code)     {
          return $this->ether_request(__FUNCTION__, array($code));     }     public function eth_compileLLL($code)     {
          return $this->ether_request(__FUNCTION__, array($code));     }     public function eth_compileSerpent($code)     {
          return $this->ether_request(__FUNCTION__, array($code));     }     public function eth_newFilter($filter, $decode_hex=false)     {
          if (!is_a($filter, 'Ethereum_Filter')) {
              throw new ErrorException('Expected a Filter object');         } else {
              $id = $this->ether_request(__FUNCTION__, $filter->toArray());             if ($decode_hex) {
                  $id = $this->decode_hex($id);             }             return $id;         }     }     public function eth_newBlockFilter($decode_hex=false)     {
          $id = $this->ether_request(__FUNCTION__);         if ($decode_hex) {
              $id = $this->decode_hex($id);         }         return $id;     }     public function eth_newPendingTransactionFilter($decode_hex=false)     {
          $id = $this->ether_request(__FUNCTION__);         if ($decode_hex) {
              $id = $this->decode_hex($id);         }         return $id;     }     public function eth_uninstallFilter($id)     {
          return $this->ether_request(__FUNCTION__, array($id));     }     public function eth_getFilterChanges($id)     {
          return $this->ether_request(__FUNCTION__, array($id));     }     public function eth_getFilterLogs($id)     {
          return $this->ether_request(__FUNCTION__, array($id));     }     public function eth_getLogs($filter)     {
          if (!is_a($filter, 'Ethereum_Filter')) {
              throw new ErrorException('Expected a Filter object');         } else {
              return $this->ether_request(__FUNCTION__, $filter->toArray());         }     }     public function eth_getWork()     {
          return $this->ether_request(__FUNCTION__);     }     public function eth_submitWork($nonce, $pow_hash, $mix_digest)     {
          return $this->ether_request(__FUNCTION__, array($nonce, $pow_hash, $mix_digest));     }     public function db_putString($db, $key, $value)     {
          return $this->ether_request(__FUNCTION__, array($db, $key, $value));     }     public function db_getString($db, $key)     {
          return $this->ether_request(__FUNCTION__, array($db, $key));     }     public function db_putHex($db, $key, $value)     {
          return $this->ether_request(__FUNCTION__, array($db, $key, $value));     }     public function db_getHex($db, $key)     {
          return $this->ether_request(__FUNCTION__, array($db, $key));     }     public function shh_version()     {
          return $this->ether_request(__FUNCTION__);     }     public function shh_post($post)     {
          if (!is_a($post, 'Whisper_Post')) {
              throw new ErrorException('Expected a Whisper post');         } else {
              return $this->ether_request(__FUNCTION__, $post->toArray());         }     }     public function shh_newIdentinty()     {
          return $this->ether_request(__FUNCTION__);     }     public function shh_hasIdentity($id)     {
          return $this->ether_request(__FUNCTION__);     }     public function shh_newFilter($to=null, $topics=array())     {
          return $this->ether_request(__FUNCTION__, array(array('to'=>$to, 'topics'=>$topics)));     }     public function shh_uninstallFilter($id)     {
          return $this->ether_request(__FUNCTION__, array($id));     }     public function shh_getFilterChanges($id)     {
          return $this->ether_request(__FUNCTION__, array($id));     }     public function shh_getMessages($id)     {
          return $this->ether_request(__FUNCTION__, array($id));     } }