text: // Copyright (c) 2010 Satoshi Nakamoto
  // Copyright (c) 2009-2015 The Bitcoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #ifndef BITCOIN_RPCPROTOCOL_H
  #define BITCOIN_RPCPROTOCOL_H
  
  #include <list>
  #include <map>
  #include <stdint.h>
  #include <string>
  #include <boost/filesystem.hpp>
  
  #include <univalue.h>
  
  //! HTTP status codes
  enum HTTPStatusCode
  {
      HTTP_OK                    = 200,
      HTTP_BAD_REQUEST           = 400,
      HTTP_UNAUTHORIZED          = 401,
      HTTP_FORBIDDEN             = 403,
      HTTP_NOT_FOUND             = 404,
      HTTP_BAD_METHOD            = 405,
      HTTP_INTERNAL_SERVER_ERROR = 500,
      HTTP_SERVICE_UNAVAILABLE   = 503,
  };
  
  //! Beenode Core RPC error codes
  enum RPCErrorCode
  {
      //! Standard JSON-RPC 2.0 errors
      RPC_INVALID_REQUEST  = -32600,
      RPC_METHOD_NOT_FOUND = -32601,
      RPC_INVALID_PARAMS   = -32602,
      RPC_INTERNAL_ERROR   = -32603,
      RPC_PARSE_ERROR      = -32700,
  
      //! General application defined errors
      RPC_MISC_ERROR                  = -1,  //! std::exception thrown in command handling
      RPC_FORBIDDEN_BY_SAFE_MODE      = -2,  //! Server is in safe mode, and command is not allowed in safe mode
      RPC_TYPE_ERROR                  = -3,  //! Unexpected type was passed as parameter
      RPC_INVALID_ADDRESS_OR_KEY      = -5,  //! Invalid address or key
      RPC_OUT_OF_MEMORY               = -7,  //! Ran out of memory during operation
      RPC_INVALID_PARAMETER           = -8,  //! Invalid, missing or duplicate parameter
      RPC_DATABASE_ERROR              = -20, //! Database error
      RPC_DESERIALIZATION_ERROR       = -22, //! Error parsing or validating structure in raw format
      RPC_VERIFY_ERROR                = -25, //! General error during transaction or block submission
      RPC_VERIFY_REJECTED             = -26, //! Transaction or block was rejected by network rules
      RPC_VERIFY_ALREADY_IN_CHAIN     = -27, //! Transaction already in chain
      RPC_IN_WARMUP                   = -28, //! Client still warming up
  
      //! Aliases for backward compatibility
      RPC_TRANSACTION_ERROR           = RPC_VERIFY_ERROR,
      RPC_TRANSACTION_REJECTED        = RPC_VERIFY_REJECTED,
      RPC_TRANSACTION_ALREADY_IN_CHAIN= RPC_VERIFY_ALREADY_IN_CHAIN,
  
      //! P2P client errors
      RPC_CLIENT_NOT_CONNECTED        = -9,  //! Beenode Core is not connected
      RPC_CLIENT_IN_INITIAL_DOWNLOAD  = -10, //! Still downloading initial blocks
      RPC_CLIENT_NODE_ALREADY_ADDED   = -23, //! Node is already added
      RPC_CLIENT_NODE_NOT_ADDED       = -24, //! Node has not been added before
      RPC_CLIENT_NODE_NOT_CONNECTED   = -29, //! Node to disconnect not found in connected nodes
      RPC_CLIENT_INVALID_IP_OR_SUBNET = -30, //! Invalid IP/Subnet
  
      //! Wallet errors
      RPC_WALLET_ERROR                = -4,  //! Unspecified problem with wallet (key not found etc.)
      RPC_WALLET_INSUFFICIENT_FUNDS   = -6,  //! Not enough funds in wallet or account
      RPC_WALLET_INVALID_ACCOUNT_NAME = -11, //! Invalid account name
      RPC_WALLET_KEYPOOL_RAN_OUT      = -12, //! Keypool ran out, call keypoolrefill first
      RPC_WALLET_UNLOCK_NEEDED        = -13, //! Enter the wallet passphrase with walletpassphrase first
      RPC_WALLET_PASSPHRASE_INCORRECT = -14, //! The wallet passphrase entered was incorrect
      RPC_WALLET_WRONG_ENC_STATE      = -15, //! Command given in wrong wallet encryption state (encrypting an encrypted wallet etc.)
      RPC_WALLET_ENCRYPTION_FAILED    = -16, //! Failed to encrypt the wallet
      RPC_WALLET_ALREADY_UNLOCKED     = -17, //! Wallet is already unlocked
  };
  
  std::string JSONRPCRequest(const std::string& strMethod, const UniValue& params, const UniValue& id);
  UniValue JSONRPCReplyObj(const UniValue& result, const UniValue& error, const UniValue& id);
  std::string JSONRPCReply(const UniValue& result, const UniValue& error, const UniValue& id);
  UniValue JSONRPCError(int code, const std::string& message);
  
  /** Get name of RPC authentication cookie file */
  boost::filesystem::path GetAuthCookieFile();
  /** Generate a new RPC authentication cookie and write it to disk */
  bool GenerateAuthCookie(std::string *cookie_out);
  /** Read the RPC authentication cookie from disk */
  bool GetAuthCookie(std::string *cookie_out);
  /** Delete RPC authentication cookie from disk */
  void DeleteAuthCookie();
  
  #endif // BITCOIN_RPCPROTOCOL_H
  