server.h

Go to the documentation of this file.

// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 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_RPC_SERVER_H
#define BITCOIN_RPC_SERVER_H

#include <amount.h>
#include <rpc/protocol.h>
#include <uint256.h>

#include <list>
#include <map>
#include <stdint.h>
#include <string>

#include <univalue.h>

static const unsigned int DEFAULT_RPC_SERIALIZE_VERSION = 1;

class CRPCCommand;

namespace RPCServer
{
    void OnStarted(std::function<void ()> slot);
    void OnStopped(std::function<void ()> slot);
}

struct UniValueType {
    UniValueType(UniValue::VType _type) : typeAny(false), type(_type) {}
    UniValueType() : typeAny(true) {}
    bool typeAny;
    UniValue::VType type;
};

class JSONRPCRequest
{
public:
    UniValue id;
    std::string strMethod;
    UniValue params;
    bool fHelp;
    std::string URI;
    std::string authUser;
    std::string peerAddr;

    JSONRPCRequest() : id(NullUniValue), params(NullUniValue), fHelp(false) {}
    void parse(const UniValue& valRequest);
};

bool IsRPCRunning();

void SetRPCWarmupStatus(const std::string& newStatus);
/* Mark warmup as done.  RPC calls will be processed from now on.  */
void SetRPCWarmupFinished();

/* returns the current warmup state.  */
bool RPCIsInWarmup(std::string *outStatus);

void RPCTypeCheck(const UniValue& params,
                  const std::list<UniValueType>& typesExpected, bool fAllowNull=false);

void RPCTypeCheckArgument(const UniValue& value, const UniValueType& typeExpected);

/*
  Check for expected keys/value types in an Object.
*/
void RPCTypeCheckObj(const UniValue& o,
    const std::map<std::string, UniValueType>& typesExpected,
    bool fAllowNull = false,
    bool fStrict = false);

class RPCTimerBase
{
public:
    virtual ~RPCTimerBase() {}
};

class RPCTimerInterface
{
public:
    virtual ~RPCTimerInterface() {}
    virtual const char *Name() = 0;
    virtual RPCTimerBase* NewTimer(std::function<void()>& func, int64_t millis) = 0;
};

void RPCSetTimerInterface(RPCTimerInterface *iface);
void RPCSetTimerInterfaceIfUnset(RPCTimerInterface *iface);
void RPCUnsetTimerInterface(RPCTimerInterface *iface);

void RPCRunLater(const std::string& name, std::function<void()> func, int64_t nSeconds);

typedef UniValue(*rpcfn_type)(const JSONRPCRequest& jsonRequest);

class CRPCCommand
{
public:
    std::string category;
    std::string name;
    rpcfn_type actor;
    std::vector<std::string> argNames;
};

class CRPCTable
{
private:
    std::map<std::string, const CRPCCommand*> mapCommands;
public:
    CRPCTable();
    const CRPCCommand* operator[](const std::string& name) const;
    std::string help(const std::string& name, const JSONRPCRequest& helpreq) const;

    UniValue execute(const JSONRPCRequest &request) const;

    std::vector<std::string> listCommands() const;


    bool appendCommand(const std::string& name, const CRPCCommand* pcmd);
};

bool IsDeprecatedRPCEnabled(const std::string& method);

extern CRPCTable tableRPC;

extern uint256 ParseHashV(const UniValue& v, std::string strName);
extern uint256 ParseHashO(const UniValue& o, std::string strKey);
extern std::vector<unsigned char> ParseHexV(const UniValue& v, std::string strName);
extern std::vector<unsigned char> ParseHexO(const UniValue& o, std::string strKey);

extern CAmount AmountFromValue(const UniValue& value);
extern std::string HelpExampleCli(const std::string& methodname, const std::string& args);
extern std::string HelpExampleRpc(const std::string& methodname, const std::string& args);

void StartRPC();
void InterruptRPC();
void StopRPC();
std::string JSONRPCExecBatch(const JSONRPCRequest& jreq, const UniValue& vReq);

// Retrieves any serialization flags requested in command line argument
int RPCSerializationFlags();

#endif // BITCOIN_RPC_SERVER_H