text: // Copyright (c) 2010 Satoshi Nakamoto
  // Copyright (c) 2009-2015 The Bitcoin Core developers
  // Copyright (c) 2014-2017 The Dash Core developers
  // Copyright (c) 2019 The DreamTeam3 Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include "base58.h"
  #include "clientversion.h"
  #include "init.h"
  #include "net.h"
  #include "netbase.h"
  #include "rpc/server.h"
  #include "timedata.h"
  #include "txmempool.h"
  #include "util.h"
  #include "utilstrencodings.h"
  #include "validation.h"
  #ifdef ENABLE_WALLET
  #include "wallet/wallet.h"
  #include "wallet/walletdb.h"
  #endif
  
  #include "masternode-sync.h"
  #include "spork.h"
  
  #include <stdint.h>
  
  #include <boost/assign/list_of.hpp>
  #include <boost/algorithm/string.hpp>
  
  #include <univalue.h>
  
  /**
   * @note Do not add or change anything in the information returned by this
   * method. `getinfo` exists for backwards-compatibility only. It combines
   * information from wildly different sources in the program, which is a mess,
   * and is thus planned to be deprecated eventually.
   *
   * Based on the source of the information, new information should be added to:
   * - `getblockchaininfo`,
   * - `getnetworkinfo` or
   * - `getwalletinfo`
   *
   * Or alternatively, create a specific query method for the information.
   **/
  UniValue getinfo(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 0)
          throw std::runtime_error(
              "getinfo\n"
              "\nDEPRECATED. Returns an object containing various state info.\n"
              "\nResult:\n"
              "{\n"
              "  \"version\": xxxxx,           (numeric) the server version\n"
              "  \"protocolversion\": xxxxx,   (numeric) the protocol version\n"
              "  \"walletversion\": xxxxx,     (numeric) the wallet version\n"
              "  \"balance\": xxxxxxx,         (numeric) the total dreamteam3 balance of the wallet\n"
              "  \"privatesend_balance\": xxxxxx, (numeric) the anonymized dreamteam3 balance of the wallet\n"
              "  \"blocks\": xxxxxx,           (numeric) the current number of blocks processed in the server\n"
              "  \"timeoffset\": xxxxx,        (numeric) the time offset\n"
              "  \"connections\": xxxxx,       (numeric) the number of connections\n"
              "  \"proxy\": \"host:port\",     (string, optional) the proxy used by the server\n"
              "  \"difficulty\": xxxxxx,       (numeric) the current difficulty\n"
              "  \"testnet\": true|false,      (boolean) if the server is using testnet or not\n"
              "  \"keypoololdest\": xxxxxx,    (numeric) the timestamp (seconds since Unix epoch) of the oldest pre-generated key in the key pool\n"
              "  \"keypoolsize\": xxxx,        (numeric) how many new keys are pre-generated\n"
              "  \"unlocked_until\": ttt,      (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
              "  \"paytxfee\": x.xxxx,         (numeric) the transaction fee set in " + CURRENCY_UNIT + "/kB\n"
              "  \"relayfee\": x.xxxx,         (numeric) minimum relay fee for non-free transactions in " + CURRENCY_UNIT + "/kB\n"
              "  \"errors\": \"...\"           (string) any error messages\n"
              "}\n"
              "\nExamples:\n"
              + HelpExampleCli("getinfo", "")
              + HelpExampleRpc("getinfo", "")
          );
  
  #ifdef ENABLE_WALLET
      LOCK2(cs_main, pwalletMain ? &pwalletMain->cs_wallet : NULL);
  #else
      LOCK(cs_main);
  #endif
  
      proxyType proxy;
      GetProxy(NET_IPV4, proxy);
  
      UniValue obj(UniValue::VOBJ);
      obj.push_back(Pair("version", CLIENT_VERSION));
      obj.push_back(Pair("protocolversion", PROTOCOL_VERSION));
  #ifdef ENABLE_WALLET
      if (pwalletMain) {
          obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
          obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
          if(!fLiteMode)
              obj.push_back(Pair("privatesend_balance",       ValueFromAmount(pwalletMain->GetAnonymizedBalance())));
      }
  #endif
      obj.push_back(Pair("blocks",        (int)chainActive.Height()));
      obj.push_back(Pair("timeoffset",    GetTimeOffset()));
      if(g_connman)
          obj.push_back(Pair("connections",   (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL)));
      obj.push_back(Pair("proxy",         (proxy.IsValid() ? proxy.proxy.ToStringIPPort() : std::string())));
      obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
      obj.push_back(Pair("testnet",       Params().NetworkIDString() == CBaseChainParams::TESTNET));
  #ifdef ENABLE_WALLET
      if (pwalletMain) {
          obj.push_back(Pair("keypoololdest", pwalletMain->GetOldestKeyPoolTime()));
          obj.push_back(Pair("keypoolsize",   (int)pwalletMain->GetKeyPoolSize()));
      }
      if (pwalletMain && pwalletMain->IsCrypted())
          obj.push_back(Pair("unlocked_until", nWalletUnlockTime));
      obj.push_back(Pair("paytxfee",      ValueFromAmount(payTxFee.GetFeePerK())));
  #endif
      obj.push_back(Pair("relayfee",      ValueFromAmount(::minRelayTxFee.GetFeePerK())));
      obj.push_back(Pair("errors",        GetWarnings("statusbar")));
      return obj;
  }
  
  UniValue debug(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "debug ( 0|1|addrman|alert|bench|coindb|db|lock|rand|rpc|selectcoins|mempool"
              "|mempoolrej|net|proxy|prune|http|libevent|tor|zmq|"
              "dreamteam3|privatesend|instantsend|masternode|spork|keepass|mnpayments|gobject )\n"
              "Change debug category on the fly. Specify single category or use '+' to specify many.\n"
              "\nExamples:\n"
              + HelpExampleCli("debug", "dreamteam3")
              + HelpExampleRpc("debug", "dreamteam3+net")
          );
  
      std::string strMode = request.params[0].get_str();
  
      std::vector<std::string> newMultiArgs;
      boost::split(newMultiArgs, strMode, boost::is_any_of("+"));
      ForceSetMultiArgs("-debug", newMultiArgs);
      ForceSetArg("-debug", newMultiArgs[newMultiArgs.size() - 1]);
  
      fDebug = GetArg("-debug", "") != "0";
  
      return "Debug mode: " + (fDebug ? strMode : "off");
  }
  
  UniValue mnsync(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "mnsync [status|next|reset]\n"
              "Returns the sync status, updates to the next step or resets it entirely.\n"
          );
  
      std::string strMode = request.params[0].get_str();
  
      if(strMode == "status") {
          UniValue objStatus(UniValue::VOBJ);
          objStatus.push_back(Pair("AssetID", masternodeSync.GetAssetID()));
          objStatus.push_back(Pair("AssetName", masternodeSync.GetAssetName()));
          objStatus.push_back(Pair("AssetStartTime", masternodeSync.GetAssetStartTime()));
          objStatus.push_back(Pair("Attempt", masternodeSync.GetAttempt()));
          objStatus.push_back(Pair("IsBlockchainSynced", masternodeSync.IsBlockchainSynced()));
          objStatus.push_back(Pair("IsMasternodeListSynced", masternodeSync.IsMasternodeListSynced()));
          objStatus.push_back(Pair("IsWinnersListSynced", masternodeSync.IsWinnersListSynced()));
          objStatus.push_back(Pair("IsSynced", masternodeSync.IsSynced()));
          objStatus.push_back(Pair("IsFailed", masternodeSync.IsFailed()));
          return objStatus;
      }
  
      if(strMode == "next")
      {
          masternodeSync.SwitchToNextAsset(*g_connman);
          return "sync updated to " + masternodeSync.GetAssetName();
      }
  
      if(strMode == "reset")
      {
          masternodeSync.Reset();
          masternodeSync.SwitchToNextAsset(*g_connman);
          return "success";
      }
      return "failure";
  }
  
  #ifdef ENABLE_WALLET
  class DescribeAddressVisitor : public boost::static_visitor<UniValue>
  {
  public:
      UniValue operator()(const CNoDestination &dest) const { return UniValue(UniValue::VOBJ); }
  
      UniValue operator()(const CKeyID &keyID) const {
          UniValue obj(UniValue::VOBJ);
          CPubKey vchPubKey;
          obj.push_back(Pair("isscript", false));
          if (pwalletMain && pwalletMain->GetPubKey(keyID, vchPubKey)) {
              obj.push_back(Pair("pubkey", HexStr(vchPubKey)));
              obj.push_back(Pair("iscompressed", vchPubKey.IsCompressed()));
          }
          return obj;
      }
  
      UniValue operator()(const CScriptID &scriptID) const {
          UniValue obj(UniValue::VOBJ);
          CScript subscript;
          obj.push_back(Pair("isscript", true));
          if (pwalletMain && pwalletMain->GetCScript(scriptID, subscript)) {
              std::vector<CTxDestination> addresses;
              txnouttype whichType;
              int nRequired;
              ExtractDestinations(subscript, whichType, addresses, nRequired);
              obj.push_back(Pair("script", GetTxnOutputType(whichType)));
              obj.push_back(Pair("hex", HexStr(subscript.begin(), subscript.end())));
              UniValue a(UniValue::VARR);
              BOOST_FOREACH(const CTxDestination& addr, addresses)
                  a.push_back(CBitcoinAddress(addr).ToString());
              obj.push_back(Pair("addresses", a));
              if (whichType == TX_MULTISIG)
                  obj.push_back(Pair("sigsrequired", nRequired));
          }
          return obj;
      }
  };
  #endif
  
  /*
      Used for updating/reading spork settings on the network
  */
  UniValue spork(const JSONRPCRequest& request)
  {
      if (request.params.size() == 1) {
          // basic mode, show info
          std:: string strCommand = request.params[0].get_str();
          if (strCommand == "show") {
              UniValue ret(UniValue::VOBJ);
              for(int nSporkID = SPORK_START; nSporkID <= SPORK_END; nSporkID++){
                  if(sporkManager.GetSporkNameByID(nSporkID) != "Unknown")
                      ret.push_back(Pair(sporkManager.GetSporkNameByID(nSporkID), sporkManager.GetSporkValue(nSporkID)));
              }
              return ret;
          } else if(strCommand == "active"){
              UniValue ret(UniValue::VOBJ);
              for(int nSporkID = SPORK_START; nSporkID <= SPORK_END; nSporkID++){
                  if(sporkManager.GetSporkNameByID(nSporkID) != "Unknown")
                      ret.push_back(Pair(sporkManager.GetSporkNameByID(nSporkID), sporkManager.IsSporkActive(nSporkID)));
              }
              return ret;
          }
      }
  
      if (request.fHelp || request.params.size() != 2) {
          // default help, for basic mode
          throw std::runtime_error(
              "spork \"command\"\n"
              "\nShows information about current state of sporks\n"
              "\nArguments:\n"
              "1. \"command\"                     (string, required) 'show' to show all current spork values, 'active' to show which sporks are active\n"
              "\nResult:\n"
              "For 'show':\n"
              "{\n"
              "  \"SPORK_NAME\" : spork_value,    (number) The value of the specific spork with the name SPORK_NAME\n"
              "  ...\n"
              "}\n"
              "For 'active':\n"
              "{\n"
              "  \"SPORK_NAME\" : true|false,     (boolean) 'true' for time-based sporks if spork is active and 'false' otherwise\n"
              "  ...\n"
              "}\n"
              "\nExamples:\n"
              + HelpExampleCli("spork", "show")
              + HelpExampleRpc("spork", "\"show\""));
      } else {
          // advanced mode, update spork values
          int nSporkID = sporkManager.GetSporkIDByName(request.params[0].get_str());
          if(nSporkID == -1)
              throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid spork name");
  
          if (!g_connman)
              throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
  
          // SPORK VALUE
          int64_t nValue = request.params[1].get_int64();
  
          //broadcast new spork
          if(sporkManager.UpdateSpork(nSporkID, nValue, *g_connman)){
              sporkManager.ExecuteSpork(nSporkID, nValue);
              return "success";
          } else {
              throw std::runtime_error(
                  "spork \"name\" value\n"
                  "\nUpdate the value of the specific spork. Requires \"-sporkkey\" to be set to sign the message.\n"
                  "\nArguments:\n"
                  "1. \"name\"              (string, required) The name of the spork to update\n"
                  "2. value               (number, required) The new desired value of the spork\n"
                  "\nResult:\n"
                  "  result               (string) \"success\" if spork value was updated or this help otherwise\n"
                  "\nExamples:\n"
                  + HelpExampleCli("spork", "SPORK_2_INSTANTSEND_ENABLED 4070908800")
                  + HelpExampleRpc("spork", "\"SPORK_2_INSTANTSEND_ENABLED\", 4070908800"));
          }
      }
  
  }
  
  UniValue validateaddress(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "validateaddress \"address\"\n"
              "\nReturn information about the given dreamteam3 address.\n"
              "\nArguments:\n"
              "1. \"address\"     (string, required) The dreamteam3 address to validate\n"
              "\nResult:\n"
              "{\n"
              "  \"isvalid\" : true|false,       (boolean) If the address is valid or not. If not, this is the only property returned.\n"
              "  \"address\" : \"address\", (string) The dreamteam3 address validated\n"
              "  \"scriptPubKey\" : \"hex\",       (string) The hex encoded scriptPubKey generated by the address\n"
              "  \"ismine\" : true|false,        (boolean) If the address is yours or not\n"
              "  \"iswatchonly\" : true|false,   (boolean) If the address is watchonly\n"
              "  \"isscript\" : true|false,      (boolean) If the key is a script\n"
              "  \"pubkey\" : \"publickeyhex\",    (string) The hex value of the raw public key\n"
              "  \"iscompressed\" : true|false,  (boolean) If the address is compressed\n"
              "  \"account\" : \"account\"         (string) DEPRECATED. The account associated with the address, \"\" is the default account\n"
              "  \"timestamp\" : timestamp,        (number, optional) The creation time of the key if available in seconds since epoch (Jan 1 1970 GMT)\n"
              "  \"hdkeypath\" : \"keypath\"       (string, optional) The HD keypath if the key is HD and available\n"
              "  \"hdchainid\" : \"<hash>\"        (string, optional) The ID of the HD chain\n"
              "}\n"
              "\nExamples:\n"
              + HelpExampleCli("validateaddress", "\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"")
              + HelpExampleRpc("validateaddress", "\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"")
          );
  
  #ifdef ENABLE_WALLET
      LOCK2(cs_main, pwalletMain ? &pwalletMain->cs_wallet : NULL);
  #else
      LOCK(cs_main);
  #endif
  
      CBitcoinAddress address(request.params[0].get_str());
      bool isValid = address.IsValid();
  
      UniValue ret(UniValue::VOBJ);
      ret.push_back(Pair("isvalid", isValid));
      if (isValid)
      {
          CTxDestination dest = address.Get();
          std::string currentAddress = address.ToString();
          ret.push_back(Pair("address", currentAddress));
  
          CScript scriptPubKey = GetScriptForDestination(dest);
          ret.push_back(Pair("scriptPubKey", HexStr(scriptPubKey.begin(), scriptPubKey.end())));
  
  #ifdef ENABLE_WALLET
          isminetype mine = pwalletMain ? IsMine(*pwalletMain, dest) : ISMINE_NO;
          ret.push_back(Pair("ismine", (mine & ISMINE_SPENDABLE) ? true : false));
          ret.push_back(Pair("iswatchonly", (mine & ISMINE_WATCH_ONLY) ? true: false));
          UniValue detail = boost::apply_visitor(DescribeAddressVisitor(), dest);
          ret.pushKVs(detail);
          if (pwalletMain && pwalletMain->mapAddressBook.count(dest))
              ret.push_back(Pair("account", pwalletMain->mapAddressBook[dest].name));
          CKeyID keyID;
          if (pwalletMain) {
              const auto& meta = pwalletMain->mapKeyMetadata;
              auto it = address.GetKeyID(keyID) ? meta.find(keyID) : meta.end();
              if (it == meta.end()) {
                  it = meta.find(CScriptID(scriptPubKey));
              }
              if (it != meta.end()) {
                  ret.push_back(Pair("timestamp", it->second.nCreateTime));
              }
  
              CHDChain hdChainCurrent;
              if (!keyID.IsNull() && pwalletMain->mapHdPubKeys.count(keyID) && pwalletMain->GetHDChain(hdChainCurrent)) {
                  ret.push_back(Pair("hdkeypath", pwalletMain->mapHdPubKeys[keyID].GetKeyPath()));
                  ret.push_back(Pair("hdchainid", hdChainCurrent.GetID().GetHex()));
              }
          }
  #endif
      }
      return ret;
  }
  
  /**
   * Used by addmultisigaddress / createmultisig:
   */
  CScript _createmultisig_redeemScript(const UniValue& params)
  {
      int nRequired = params[0].get_int();
      const UniValue& keys = params[1].get_array();
  
      // Gather public keys
      if (nRequired < 1)
          throw std::runtime_error("a multisignature address must require at least one key to redeem");
      if ((int)keys.size() < nRequired)
          throw std::runtime_error(
              strprintf("not enough keys supplied "
                        "(got %u keys, but need at least %d to redeem)", keys.size(), nRequired));
      if (keys.size() > 16)
          throw std::runtime_error("Number of addresses involved in the multisignature address creation > 16\nReduce the number");
      std::vector<CPubKey> pubkeys;
      pubkeys.resize(keys.size());
      for (unsigned int i = 0; i < keys.size(); i++)
      {
          const std::string& ks = keys[i].get_str();
  #ifdef ENABLE_WALLET
          // Case 1: DreamTeam3 address and we have full public key:
          CBitcoinAddress address(ks);
          if (pwalletMain && address.IsValid())
          {
              CKeyID keyID;
              if (!address.GetKeyID(keyID))
                  throw std::runtime_error(
                      strprintf("%s does not refer to a key",ks));
              CPubKey vchPubKey;
              if (!pwalletMain->GetPubKey(keyID, vchPubKey))
                  throw std::runtime_error(
                      strprintf("no full public key for address %s",ks));
              if (!vchPubKey.IsFullyValid())
                  throw std::runtime_error(" Invalid public key: "+ks);
              pubkeys[i] = vchPubKey;
          }
  
          // Case 2: hex public key
          else
  #endif
          if (IsHex(ks))
          {
              CPubKey vchPubKey(ParseHex(ks));
              if (!vchPubKey.IsFullyValid())
                  throw std::runtime_error(" Invalid public key: "+ks);
              pubkeys[i] = vchPubKey;
          }
          else
          {
              throw std::runtime_error(" Invalid public key: "+ks);
          }
      }
      CScript result = GetScriptForMultisig(nRequired, pubkeys);
  
      if (result.size() > MAX_SCRIPT_ELEMENT_SIZE)
          throw std::runtime_error(
                  strprintf("redeemScript exceeds size limit: %d > %d", result.size(), MAX_SCRIPT_ELEMENT_SIZE));
  
      return result;
  }
  
  UniValue createmultisig(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() < 2 || request.params.size() > 2)
      {
          std::string msg = "createmultisig nrequired [\"key\",...]\n"
              "\nCreates a multi-signature address with n signature of m keys required.\n"
              "It returns a json object with the address and redeemScript.\n"
  
              "\nArguments:\n"
              "1. nrequired      (numeric, required) The number of required signatures out of the n keys or addresses.\n"
              "2. \"keys\"       (string, required) A json array of keys which are dreamteam3 addresses or hex-encoded public keys\n"
              "     [\n"
              "       \"key\"    (string) dreamteam3 address or hex-encoded public key\n"
              "       ,...\n"
              "     ]\n"
  
              "\nResult:\n"
              "{\n"
              "  \"address\":\"multisigaddress\",  (string) The value of the new multisig address.\n"
              "  \"redeemScript\":\"script\"       (string) The string value of the hex-encoded redemption script.\n"
              "}\n"
  
              "\nExamples:\n"
              "\nCreate a multisig address from 2 addresses\n"
              + HelpExampleCli("createmultisig", "2 \"[\\\"Xt4qk9uKvQYAonVGSZNXqxeDmtjaEWgfrs\\\",\\\"XoSoWQkpgLpppPoyyzbUFh1fq2RBvW6UK1\\\"]\"") +
              "\nAs a json rpc call\n"
              + HelpExampleRpc("createmultisig", "2, \"[\\\"Xt4qk9uKvQYAonVGSZNXqxeDmtjaEWgfrs\\\",\\\"XoSoWQkpgLpppPoyyzbUFh1fq2RBvW6UK1\\\"]\"")
          ;
          throw std::runtime_error(msg);
      }
  
      // Construct using pay-to-script-hash:
      CScript inner = _createmultisig_redeemScript(request.params);
      CScriptID innerID(inner);
      CBitcoinAddress address(innerID);
  
      UniValue result(UniValue::VOBJ);
      result.push_back(Pair("address", address.ToString()));
      result.push_back(Pair("redeemScript", HexStr(inner.begin(), inner.end())));
  
      return result;
  }
  
  UniValue verifymessage(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 3)
          throw std::runtime_error(
              "verifymessage \"address\" \"signature\" \"message\"\n"
              "\nVerify a signed message\n"
              "\nArguments:\n"
              "1. \"address\"         (string, required) The dreamteam3 address to use for the signature.\n"
              "2. \"signature\"       (string, required) The signature provided by the signer in base 64 encoding (see signmessage).\n"
              "3. \"message\"         (string, required) The message that was signed.\n"
              "\nResult:\n"
              "true|false   (boolean) If the signature is verified or not.\n"
              "\nExamples:\n"
              "\nUnlock the wallet for 30 seconds\n"
              + HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
              "\nCreate the signature\n"
              + HelpExampleCli("signmessage", "\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwG\" \"my message\"") +
              "\nVerify the signature\n"
              + HelpExampleCli("verifymessage", "\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwG\" \"signature\" \"my message\"") +
              "\nAs json rpc\n"
              + HelpExampleRpc("verifymessage", "\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwG\", \"signature\", \"my message\"")
          );
  
      LOCK(cs_main);
  
      std::string strAddress  = request.params[0].get_str();
      std::string strSign     = request.params[1].get_str();
      std::string strMessage  = request.params[2].get_str();
  
      CBitcoinAddress addr(strAddress);
      if (!addr.IsValid())
          throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");
  
      CKeyID keyID;
      if (!addr.GetKeyID(keyID))
          throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
  
      bool fInvalid = false;
      std::vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
  
      if (fInvalid)
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Malformed base64 encoding");
  
      CHashWriter ss(SER_GETHASH, 0);
      ss << strMessageMagic;
      ss << strMessage;
  
      CPubKey pubkey;
      if (!pubkey.RecoverCompact(ss.GetHash(), vchSig))
          return false;
  
      return (pubkey.GetID() == keyID);
  }
  
  UniValue signmessagewithprivkey(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 2)
          throw std::runtime_error(
              "signmessagewithprivkey \"privkey\" \"message\"\n"
              "\nSign a message with the private key of an address\n"
              "\nArguments:\n"
              "1. \"privkey\"         (string, required) The private key to sign the message with.\n"
              "2. \"message\"         (string, required) The message to create a signature of.\n"
              "\nResult:\n"
              "\"signature\"          (string) The signature of the message encoded in base 64\n"
              "\nExamples:\n"
              "\nCreate the signature\n"
              + HelpExampleCli("signmessagewithprivkey", "\"privkey\" \"my message\"") +
              "\nVerify the signature\n"
              + HelpExampleCli("verifymessage", "\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwG\" \"signature\" \"my message\"") +
              "\nAs json rpc\n"
              + HelpExampleRpc("signmessagewithprivkey", "\"privkey\", \"my message\"")
          );
  
      std::string strPrivkey = request.params[0].get_str();
      std::string strMessage = request.params[1].get_str();
  
      CBitcoinSecret vchSecret;
      bool fGood = vchSecret.SetString(strPrivkey);
      if (!fGood)
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
      CKey key = vchSecret.GetKey();
      if (!key.IsValid())
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
  
      CHashWriter ss(SER_GETHASH, 0);
      ss << strMessageMagic;
      ss << strMessage;
  
      std::vector<unsigned char> vchSig;
      if (!key.SignCompact(ss.GetHash(), vchSig))
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed");
  
      return EncodeBase64(&vchSig[0], vchSig.size());
  }
  
  UniValue setmocktime(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "setmocktime timestamp\n"
              "\nSet the local time to given timestamp (-regtest only)\n"
              "\nArguments:\n"
              "1. timestamp  (integer, required) Unix seconds-since-epoch timestamp\n"
              "   Pass 0 to go back to using the system time."
          );
  
      if (!Params().MineBlocksOnDemand())
          throw std::runtime_error("setmocktime for regression testing (-regtest mode) only");
  
      // For now, don't change mocktime if we're in the middle of validation, as
      // this could have an effect on mempool time-based eviction, as well as
      // IsCurrentForFeeEstimation() and IsInitialBlockDownload().
      // TODO: figure out the right way to synchronize around mocktime, and
      // ensure all callsites of GetTime() are accessing this safely.
      LOCK(cs_main);
  
      RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM));
      SetMockTime(request.params[0].get_int64());
  
      return NullUniValue;
  }
  
  bool getAddressFromIndex(const int &type, const uint160 &hash, std::string &address)
  {
      if (type == 2) {
          address = CBitcoinAddress(CScriptID(hash)).ToString();
      } else if (type == 1) {
          address = CBitcoinAddress(CKeyID(hash)).ToString();
      } else {
          return false;
      }
      return true;
  }
  
  bool getAddressesFromParams(const UniValue& params, std::vector<std::pair<uint160, int> > &addresses)
  {
      if (params[0].isStr()) {
          CBitcoinAddress address(params[0].get_str());
          uint160 hashBytes;
          int type = 0;
          if (!address.GetIndexKey(hashBytes, type)) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
          }
          addresses.push_back(std::make_pair(hashBytes, type));
      } else if (params[0].isObject()) {
  
          UniValue addressValues = find_value(params[0].get_obj(), "addresses");
          if (!addressValues.isArray()) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Addresses is expected to be an array");
          }
  
          std::vector<UniValue> values = addressValues.getValues();
  
          for (std::vector<UniValue>::iterator it = values.begin(); it != values.end(); ++it) {
  
              CBitcoinAddress address(it->get_str());
              uint160 hashBytes;
              int type = 0;
              if (!address.GetIndexKey(hashBytes, type)) {
                  throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
              }
              addresses.push_back(std::make_pair(hashBytes, type));
          }
      } else {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
      }
  
      return true;
  }
  
  bool heightSort(std::pair<CAddressUnspentKey, CAddressUnspentValue> a,
                  std::pair<CAddressUnspentKey, CAddressUnspentValue> b) {
      return a.second.blockHeight < b.second.blockHeight;
  }
  
  bool timestampSort(std::pair<CMempoolAddressDeltaKey, CMempoolAddressDelta> a,
                     std::pair<CMempoolAddressDeltaKey, CMempoolAddressDelta> b) {
      return a.second.time < b.second.time;
  }
  
  UniValue getaddressmempool(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "getaddressmempool\n"
              "\nReturns all mempool deltas for an address (requires addressindex to be enabled).\n"
              "\nArguments:\n"
              "{\n"
              "  \"addresses\"\n"
              "    [\n"
              "      \"address\"  (string) The base58check encoded address\n"
              "      ,...\n"
              "    ]\n"
              "}\n"
              "\nResult:\n"
              "[\n"
              "  {\n"
              "    \"address\"  (string) The base58check encoded address\n"
              "    \"txid\"  (string) The related txid\n"
              "    \"index\"  (number) The related input or output index\n"
              "    \"satoshis\"  (number) The difference of Dreams\n"
              "    \"timestamp\"  (number) The time the transaction entered the mempool (seconds)\n"
              "    \"prevtxid\"  (string) The previous txid (if spending)\n"
              "    \"prevout\"  (string) The previous transaction output index (if spending)\n"
              "  }\n"
              "]\n"
              "\nExamples:\n"
              + HelpExampleCli("getaddressmempool", "'{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}'")
              + HelpExampleRpc("getaddressmempool", "{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}")
          );
  
      std::vector<std::pair<uint160, int> > addresses;
  
      if (!getAddressesFromParams(request.params, addresses)) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
      }
  
      std::vector<std::pair<CMempoolAddressDeltaKey, CMempoolAddressDelta> > indexes;
  
      if (!mempool.getAddressIndex(addresses, indexes)) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available for address");
      }
  
      std::sort(indexes.begin(), indexes.end(), timestampSort);
  
      UniValue result(UniValue::VARR);
  
      for (std::vector<std::pair<CMempoolAddressDeltaKey, CMempoolAddressDelta> >::iterator it = indexes.begin();
           it != indexes.end(); it++) {
  
          std::string address;
          if (!getAddressFromIndex(it->first.type, it->first.addressBytes, address)) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown address type");
          }
  
          UniValue delta(UniValue::VOBJ);
          delta.push_back(Pair("address", address));
          delta.push_back(Pair("txid", it->first.txhash.GetHex()));
          delta.push_back(Pair("index", (int)it->first.index));
          delta.push_back(Pair("satoshis", it->second.amount));
          delta.push_back(Pair("timestamp", it->second.time));
          if (it->second.amount < 0) {
              delta.push_back(Pair("prevtxid", it->second.prevhash.GetHex()));
              delta.push_back(Pair("prevout", (int)it->second.prevout));
          }
          result.push_back(delta);
      }
  
      return result;
  }
  
  UniValue getaddressutxos(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "getaddressutxos\n"
              "\nReturns all unspent outputs for an address (requires addressindex to be enabled).\n"
              "\nArguments:\n"
              "{\n"
              "  \"addresses\"\n"
              "    [\n"
              "      \"address\"  (string) The base58check encoded address\n"
              "      ,...\n"
              "    ]\n"
              "}\n"
              "\nResult:\n"
              "[\n"
              "  {\n"
              "    \"address\"  (string) The address base58check encoded\n"
              "    \"txid\"  (string) The output txid\n"
              "    \"outputIndex\"  (number) The output index\n"
              "    \"script\"  (string) The script hex encoded\n"
              "    \"satoshis\"  (number) The number of Dreams of the output\n"
              "    \"height\"  (number) The block height\n"
              "  }\n"
              "]\n"
              "\nExamples:\n"
              + HelpExampleCli("getaddressutxos", "'{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}'")
              + HelpExampleRpc("getaddressutxos", "{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}")
          );
  
      std::vector<std::pair<uint160, int> > addresses;
  
      if (!getAddressesFromParams(request.params, addresses)) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
      }
  
      std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> > unspentOutputs;
  
      for (std::vector<std::pair<uint160, int> >::iterator it = addresses.begin(); it != addresses.end(); it++) {
          if (!GetAddressUnspent((*it).first, (*it).second, unspentOutputs)) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available for address");
          }
      }
  
      std::sort(unspentOutputs.begin(), unspentOutputs.end(), heightSort);
  
      UniValue result(UniValue::VARR);
  
      for (std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> >::const_iterator it=unspentOutputs.begin(); it!=unspentOutputs.end(); it++) {
          UniValue output(UniValue::VOBJ);
          std::string address;
          if (!getAddressFromIndex(it->first.type, it->first.hashBytes, address)) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown address type");
          }
  
          output.push_back(Pair("address", address));
          output.push_back(Pair("txid", it->first.txhash.GetHex()));
          output.push_back(Pair("outputIndex", (int)it->first.index));
          output.push_back(Pair("script", HexStr(it->second.script.begin(), it->second.script.end())));
          output.push_back(Pair("satoshis", it->second.satoshis));
          output.push_back(Pair("height", it->second.blockHeight));
          result.push_back(output);
      }
  
      return result;
  }
  
  UniValue getaddressdeltas(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1 || !request.params[0].isObject())
          throw std::runtime_error(
              "getaddressdeltas\n"
              "\nReturns all changes for an address (requires addressindex to be enabled).\n"
              "\nArguments:\n"
              "{\n"
              "  \"addresses\"\n"
              "    [\n"
              "      \"address\"  (string) The base58check encoded address\n"
              "      ,...\n"
              "    ]\n"
              "  \"start\" (number) The start block height\n"
              "  \"end\" (number) The end block height\n"
              "}\n"
              "\nResult:\n"
              "[\n"
              "  {\n"
              "    \"satoshis\"  (number) The difference of Dreams\n"
              "    \"txid\"  (string) The related txid\n"
              "    \"index\"  (number) The related input or output index\n"
              "    \"blockindex\"  (number) The related block index\n"
              "    \"height\"  (number) The block height\n"
              "    \"address\"  (string) The base58check encoded address\n"
              "  }\n"
              "]\n"
              "\nExamples:\n"
              + HelpExampleCli("getaddressdeltas", "'{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}'")
              + HelpExampleRpc("getaddressdeltas", "{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}")
          );
  
  
      UniValue startValue = find_value(request.params[0].get_obj(), "start");
      UniValue endValue = find_value(request.params[0].get_obj(), "end");
  
      int start = 0;
      int end = 0;
  
      if (startValue.isNum() && endValue.isNum()) {
          start = startValue.get_int();
          end = endValue.get_int();
          if (end < start) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "End value is expected to be greater than start");
          }
      }
  
      std::vector<std::pair<uint160, int> > addresses;
  
      if (!getAddressesFromParams(request.params, addresses)) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
      }
  
      std::vector<std::pair<CAddressIndexKey, CAmount> > addressIndex;
  
      for (std::vector<std::pair<uint160, int> >::iterator it = addresses.begin(); it != addresses.end(); it++) {
          if (start > 0 && end > 0) {
              if (!GetAddressIndex((*it).first, (*it).second, addressIndex, start, end)) {
                  throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available for address");
              }
          } else {
              if (!GetAddressIndex((*it).first, (*it).second, addressIndex)) {
                  throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available for address");
              }
          }
      }
  
      UniValue result(UniValue::VARR);
  
      for (std::vector<std::pair<CAddressIndexKey, CAmount> >::const_iterator it=addressIndex.begin(); it!=addressIndex.end(); it++) {
          std::string address;
          if (!getAddressFromIndex(it->first.type, it->first.hashBytes, address)) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown address type");
          }
  
          UniValue delta(UniValue::VOBJ);
          delta.push_back(Pair("satoshis", it->second));
          delta.push_back(Pair("txid", it->first.txhash.GetHex()));
          delta.push_back(Pair("index", (int)it->first.index));
          delta.push_back(Pair("blockindex", (int)it->first.txindex));
          delta.push_back(Pair("height", it->first.blockHeight));
          delta.push_back(Pair("address", address));
          result.push_back(delta);
      }
  
      return result;
  }
  
  UniValue getaddressbalance(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "getaddressbalance\n"
              "\nReturns the balance for an address(es) (requires addressindex to be enabled).\n"
              "\nArguments:\n"
              "{\n"
              "  \"addresses\"\n"
              "    [\n"
              "      \"address\"  (string) The base58check encoded address\n"
              "      ,...\n"
              "    ]\n"
              "}\n"
              "\nResult:\n"
              "{\n"
              "  \"balance\"  (string) The current balance in Dreams\n"
              "  \"received\"  (string) The total number of Dreams received (including change)\n"
              "}\n"
              "\nExamples:\n"
              + HelpExampleCli("getaddressbalance", "'{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}'")
              + HelpExampleRpc("getaddressbalance", "{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}")
          );
  
      std::vector<std::pair<uint160, int> > addresses;
  
      if (!getAddressesFromParams(request.params, addresses)) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
      }
  
      std::vector<std::pair<CAddressIndexKey, CAmount> > addressIndex;
  
      for (std::vector<std::pair<uint160, int> >::iterator it = addresses.begin(); it != addresses.end(); it++) {
          if (!GetAddressIndex((*it).first, (*it).second, addressIndex)) {
              throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available for address");
          }
      }
  
      CAmount balance = 0;
      CAmount received = 0;
  
      for (std::vector<std::pair<CAddressIndexKey, CAmount> >::const_iterator it=addressIndex.begin(); it!=addressIndex.end(); it++) {
          if (it->second > 0) {
              received += it->second;
          }
          balance += it->second;
      }
  
      UniValue result(UniValue::VOBJ);
      result.push_back(Pair("balance", balance));
      result.push_back(Pair("received", received));
  
      return result;
  
  }
  
  UniValue getaddresstxids(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1)
          throw std::runtime_error(
              "getaddresstxids\n"
              "\nReturns the txids for an address(es) (requires addressindex to be enabled).\n"
              "\nArguments:\n"
              "{\n"
              "  \"addresses\"\n"
              "    [\n"
              "      \"address\"  (string) The base58check encoded address\n"
              "      ,...\n"
              "    ]\n"
              "  \"start\" (number) The start block height\n"
              "  \"end\" (number) The end block height\n"
              "}\n"
              "\nResult:\n"
              "[\n"
              "  \"transactionid\"  (string) The transaction id\n"
              "  ,...\n"
              "]\n"
              "\nExamples:\n"
              + HelpExampleCli("getaddresstxids", "'{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}'")
              + HelpExampleRpc("getaddresstxids", "{\"addresses\": [\"XwnLY9Tf7Zsef8gMGL2fhWA9ZmMjt4KPwg\"]}")
          );
  
      std::vector<std::pair<uint160, int> > addresses;
  
      if (!getAddressesFromParams(request.params, addresses)) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
      }
  
      int start = 0;
      int end = 0;
      if (request.params[0].isObject()) {
          UniValue startValue = find_value(request.params[0].get_obj(), "start");
          UniValue endValue = find_value(request.params[0].get_obj(), "end");
          if (startValue.isNum() && endValue.isNum()) {
              start = startValue.get_int();
              end = endValue.get_int();
          }
      }
  
      std::vector<std::pair<CAddressIndexKey, CAmount> > addressIndex;
  
      for (std::vector<std::pair<uint160, int> >::iterator it = addresses.begin(); it != addresses.end(); it++) {
          if (start > 0 && end > 0) {
              if (!GetAddressIndex((*it).first, (*it).second, addressIndex, start, end)) {
                  throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available for address");
              }
          } else {
              if (!GetAddressIndex((*it).first, (*it).second, addressIndex)) {
                  throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available for address");
              }
          }
      }
  
      std::set<std::pair<int, std::string> > txids;
      UniValue result(UniValue::VARR);
  
      for (std::vector<std::pair<CAddressIndexKey, CAmount> >::const_iterator it=addressIndex.begin(); it!=addressIndex.end(); it++) {
          int height = it->first.blockHeight;
          std::string txid = it->first.txhash.GetHex();
  
          if (addresses.size() > 1) {
              txids.insert(std::make_pair(height, txid));
          } else {
              if (txids.insert(std::make_pair(height, txid)).second) {
                  result.push_back(txid);
              }
          }
      }
  
      if (addresses.size() > 1) {
          for (std::set<std::pair<int, std::string> >::const_iterator it=txids.begin(); it!=txids.end(); it++) {
              result.push_back(it->second);
          }
      }
  
      return result;
  
  }
  
  UniValue getspentinfo(const JSONRPCRequest& request)
  {
      if (request.fHelp || request.params.size() != 1 || !request.params[0].isObject())
          throw std::runtime_error(
              "getspentinfo\n"
              "\nReturns the txid and index where an output is spent.\n"
              "\nArguments:\n"
              "{\n"
              "  \"txid\" (string) The hex string of the txid\n"
              "  \"index\" (number) The start block height\n"
              "}\n"
              "\nResult:\n"
              "{\n"
              "  \"txid\"  (string) The transaction id\n"
              "  \"index\"  (number) The spending input index\n"
              "  ,...\n"
              "}\n"
              "\nExamples:\n"
              + HelpExampleCli("getspentinfo", "'{\"txid\": \"0437cd7f8525ceed2324359c2d0ba26006d92d856a9c20fa0241106ee5a597c9\", \"index\": 0}'")
              + HelpExampleRpc("getspentinfo", "{\"txid\": \"0437cd7f8525ceed2324359c2d0ba26006d92d856a9c20fa0241106ee5a597c9\", \"index\": 0}")
          );
  
      UniValue txidValue = find_value(request.params[0].get_obj(), "txid");
      UniValue indexValue = find_value(request.params[0].get_obj(), "index");
  
      if (!txidValue.isStr() || !indexValue.isNum()) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid txid or index");
      }
  
      uint256 txid = ParseHashV(txidValue, "txid");
      int outputIndex = indexValue.get_int();
  
      CSpentIndexKey key(txid, outputIndex);
      CSpentIndexValue value;
  
      if (!GetSpentIndex(key, value)) {
          throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unable to get spent info");
      }
  
      UniValue obj(UniValue::VOBJ);
      obj.push_back(Pair("txid", value.txid.GetHex()));
      obj.push_back(Pair("index", (int)value.inputIndex));
      obj.push_back(Pair("height", value.blockHeight));
  
      return obj;
  }
  
  static UniValue RPCLockedMemoryInfo()
  {
      LockedPool::Stats stats = LockedPoolManager::Instance().stats();
      UniValue obj(UniValue::VOBJ);
      obj.push_back(Pair("used", uint64_t(stats.used)));
      obj.push_back(Pair("free", uint64_t(stats.free)));
      obj.push_back(Pair("total", uint64_t(stats.total)));
      obj.push_back(Pair("locked", uint64_t(stats.locked)));
      obj.push_back(Pair("chunks_used", uint64_t(stats.chunks_used)));
      obj.push_back(Pair("chunks_free", uint64_t(stats.chunks_free)));
      return obj;
  }
  
  UniValue getmemoryinfo(const JSONRPCRequest& request)
  {
      /* Please, avoid using the word "pool" here in the RPC interface or help,
       * as users will undoubtedly confuse it with the other "memory pool"
       */
      if (request.fHelp || request.params.size() != 0)
          throw std::runtime_error(
              "getmemoryinfo\n"
              "Returns an object containing information about memory usage.\n"
              "\nResult:\n"
              "{\n"
              "  \"locked\": {               (json object) Information about locked memory manager\n"
              "    \"used\": xxxxx,          (numeric) Number of bytes used\n"
              "    \"free\": xxxxx,          (numeric) Number of bytes available in current arenas\n"
              "    \"total\": xxxxxxx,       (numeric) Total number of bytes managed\n"
              "    \"locked\": xxxxxx,       (numeric) Amount of bytes that succeeded locking. If this number is smaller than total, locking pages failed at some point and key data could be swapped to disk.\n"
              "    \"chunks_used\": xxxxx,   (numeric) Number allocated chunks\n"
              "    \"chunks_free\": xxxxx,   (numeric) Number unused chunks\n"
              "  }\n"
              "}\n"
              "\nExamples:\n"
              + HelpExampleCli("getmemoryinfo", "")
              + HelpExampleRpc("getmemoryinfo", "")
          );
      UniValue obj(UniValue::VOBJ);
      obj.push_back(Pair("locked", RPCLockedMemoryInfo()));
      return obj;
  }
  
  UniValue echo(const JSONRPCRequest& request)
  {
      if (request.fHelp)
          throw std::runtime_error(
              "echo|echojson \"message\" ...\n"
              "\nSimply echo back the input arguments. This command is for testing.\n"
              "\nThe difference between echo and echojson is that echojson has argument conversion enabled in the client-side table in"
              "bitcoin-cli and the GUI. There is no server-side difference."
          );
  
      return request.params;
  }
  
  static const CRPCCommand commands[] =
  { //  category              name                      actor (function)         okSafeMode
    //  --------------------- ------------------------  -----------------------  ----------
      { "control",            "debug",                  &debug,                  true,  {} },
      { "control",            "getinfo",                &getinfo,                true,  {} }, /* uses wallet if enabled */
      { "control",            "getmemoryinfo",          &getmemoryinfo,          true,  {} },
      { "util",               "validateaddress",        &validateaddress,        true,  {"address"} }, /* uses wallet if enabled */
      { "util",               "createmultisig",         &createmultisig,         true,  {"nrequired","keys"} },
      { "util",               "verifymessage",          &verifymessage,          true,  {"address","signature","message"} },
      { "util",               "signmessagewithprivkey", &signmessagewithprivkey, true,  {"privkey","message"} },
      { "blockchain",         "getspentinfo",           &getspentinfo,           false, {"json"} },
  
      /* Address index */
      { "addressindex",       "getaddressmempool",      &getaddressmempool,      true,  {"addresses"}  },
      { "addressindex",       "getaddressutxos",        &getaddressutxos,        false, {"addresses"} },
      { "addressindex",       "getaddressdeltas",       &getaddressdeltas,       false, {"addresses"} },
      { "addressindex",       "getaddresstxids",        &getaddresstxids,        false, {"addresses"} },
      { "addressindex",       "getaddressbalance",      &getaddressbalance,      false, {"addresses"} },
  
      /* DreamTeam3 features */
      { "dreamteam3",               "mnsync",                 &mnsync,                 true,  {} },
      { "dreamteam3",               "spork",                  &spork,                  true,  {"value"} },
  
      /* Not shown in help */
      { "hidden",             "setmocktime",            &setmocktime,            true,  {"timestamp"}},
      { "hidden",             "echo",                   &echo,                   true,  {"arg0","arg1","arg2","arg3","arg4","arg5","arg6","arg7","arg8","arg9"}},
      { "hidden",             "echojson",               &echo,                  true,  {"arg0","arg1","arg2","arg3","arg4","arg5","arg6","arg7","arg8","arg9"}},
  };
  
  void RegisterMiscRPCCommands(CRPCTable &t)
  {
      for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++)
          t.appendCommand(commands[vcidx].name, &commands[vcidx]);
  }
  