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Merge #7783: [Qt] RPC-Console: support nested commands and simple value queries

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1586044 [Qt] RPC-Console: support nested commands and simple value queries (Jonas Schnelli)
This commit is contained in:
Wladimir J. van der Laan 2016-09-20 12:59:08 +02:00
commit 4335d5a41b
No known key found for this signature in database
GPG Key ID: 74810B012346C9A6
6 changed files with 300 additions and 71 deletions
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6
src/Makefile.qttest.include
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@ -1,13 +1,16 @@
bin_PROGRAMS += qt/test/test_bitcoin-qt
TESTS += qt/test/test_bitcoin-qt
TEST_QT_MOC_CPP = qt/test/moc_uritests.cpp
TEST_QT_MOC_CPP = \
qt/test/moc_rpcnestedtests.cpp \
qt/test/moc_uritests.cpp
if ENABLE_WALLET
TEST_QT_MOC_CPP += qt/test/moc_paymentservertests.cpp
endif
TEST_QT_H = \
qt/test/rpcnestedtests.h \
qt/test/uritests.h \
qt/test/paymentrequestdata.h \
qt/test/paymentservertests.h
@ -16,6 +19,7 @@ qt_test_test_bitcoin_qt_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_
$(QT_INCLUDES) $(QT_TEST_INCLUDES) $(PROTOBUF_CFLAGS)
qt_test_test_bitcoin_qt_SOURCES = \
qt/test/rpcnestedtests.cpp \
qt/test/test_main.cpp \
qt/test/uritests.cpp \
$(TEST_QT_H)

157
src/qt/rpcconsole.cpp
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@ -113,9 +113,11 @@ public:
#include "rpcconsole.moc"
/**
* Split shell command line into a list of arguments. Aims to emulate \c bash and friends.
* Split shell command line into a list of arguments and execute the command(s).
* Aims to emulate \c bash and friends.
*
* - Arguments are delimited with whitespace
* - Command nesting is possible with brackets [example: validateaddress(getnewaddress())]
* - Arguments are delimited with whitespace or comma
* - Extra whitespace at the beginning and end and between arguments will be ignored
* - Text can be "double" or 'single' quoted
* - The backslash \c \ is used as escape character
@ -123,11 +125,15 @@ public:
* - Within double quotes, only escape \c " and backslashes before a \c " or another backslash
* - Within single quotes, no escaping is possible and no special interpretation takes place
*
* @param[out] args Parsed arguments will be appended to this list
* @param[out] result stringified Result from the executed command(chain)
* @param[in] strCommand Command line to split
*/
bool parseCommandLine(std::vector<std::string> &args, const std::string &strCommand)
bool RPCConsole::RPCExecuteCommandLine(std::string &strResult, const std::string &strCommand)
{
std::vector< std::vector<std::string> > stack;
stack.push_back(std::vector<std::string>());
enum CmdParseState
{
STATE_EATING_SPACES,
@ -135,13 +141,84 @@ bool parseCommandLine(std::vector<std::string> &args, const std::string &strComm
STATE_SINGLEQUOTED,
STATE_DOUBLEQUOTED,
STATE_ESCAPE_OUTER,
STATE_ESCAPE_DOUBLEQUOTED
STATE_ESCAPE_DOUBLEQUOTED,
STATE_COMMAND_EXECUTED,
STATE_COMMAND_EXECUTED_INNER
} state = STATE_EATING_SPACES;
std::string curarg;
Q_FOREACH(char ch, strCommand)
UniValue lastResult;
std::string strCommandTerminated = strCommand;
if (strCommandTerminated.back() != '\n')
strCommandTerminated += "\n";
for(char ch: strCommandTerminated)
{
switch(state)
{
case STATE_COMMAND_EXECUTED_INNER:
case STATE_COMMAND_EXECUTED:
{
bool breakParsing = true;
switch(ch)
{
case '[': curarg.clear(); state = STATE_COMMAND_EXECUTED_INNER; break;
default:
if (state == STATE_COMMAND_EXECUTED_INNER)
{
if (ch != ']')
{
// append char to the current argument (which is also used for the query command)
curarg += ch;
break;
}
if (curarg.size())
{
// if we have a value query, query arrays with index and objects with a string key
UniValue subelement;
if (lastResult.isArray())
{
for(char argch: curarg)
if (!std::isdigit(argch))
throw std::runtime_error("Invalid result query");
subelement = lastResult[atoi(curarg.c_str())];
}
else if (lastResult.isObject())
subelement = find_value(lastResult, curarg);
else
throw std::runtime_error("Invalid result query"); //no array or object: abort
lastResult = subelement;
}
state = STATE_COMMAND_EXECUTED;
break;
}
// don't break parsing when the char is required for the next argument
breakParsing = false;
// pop the stack and return the result to the current command arguments
stack.pop_back();
// don't stringify the json in case of a string to avoid doublequotes
if (lastResult.isStr())
curarg = lastResult.get_str();
else
curarg = lastResult.write(2);
// if we have a non empty result, use it as stack argument otherwise as general result
if (curarg.size())
{
if (stack.size())
stack.back().push_back(curarg);
else
strResult = curarg;
}
curarg.clear();
// assume eating space state
state = STATE_EATING_SPACES;
}
if (breakParsing)
break;
}
case STATE_ARGUMENT: // In or after argument
case STATE_EATING_SPACES: // Handle runs of whitespace
switch(ch)
@ -149,10 +226,37 @@ bool parseCommandLine(std::vector<std::string> &args, const std::string &strComm
case '"': state = STATE_DOUBLEQUOTED; break;
case '\'': state = STATE_SINGLEQUOTED; break;
case '\\': state = STATE_ESCAPE_OUTER; break;
case ' ': case '\n': case '\t':
case '(': case ')': case '\n':
if (state == STATE_ARGUMENT)
{
if (ch == '(' && stack.size() && stack.back().size() > 0)
stack.push_back(std::vector<std::string>());
if (curarg.size())
{
// don't allow commands after executed commands on baselevel
if (!stack.size())
throw std::runtime_error("Invalid Syntax");
stack.back().push_back(curarg);
}
curarg.clear();
state = STATE_EATING_SPACES;
}
if ((ch == ')' || ch == '\n') && stack.size() > 0)
{
std::string strPrint;
// Convert argument list to JSON objects in method-dependent way,
// and pass it along with the method name to the dispatcher.
lastResult = tableRPC.execute(stack.back()[0], RPCConvertValues(stack.back()[0], std::vector<std::string>(stack.back().begin() + 1, stack.back().end())));
state = STATE_COMMAND_EXECUTED;
curarg.clear();
}
break;
case ' ': case ',': case '\t':
if(state == STATE_ARGUMENT) // Space ends argument
{
args.push_back(curarg);
if (curarg.size())
stack.back().push_back(curarg);
curarg.clear();
}
state = STATE_EATING_SPACES;
@ -186,10 +290,13 @@ bool parseCommandLine(std::vector<std::string> &args, const std::string &strComm
}
switch(state) // final state
{
case STATE_EATING_SPACES:
return true;
case STATE_COMMAND_EXECUTED:
if (lastResult.isStr())
strResult = lastResult.get_str();
else
strResult = lastResult.write(2);
case STATE_ARGUMENT:
args.push_back(curarg);
case STATE_EATING_SPACES:
return true;
default: // ERROR to end in one of the other states
return false;
@ -198,32 +305,16 @@ bool parseCommandLine(std::vector<std::string> &args, const std::string &strComm
void RPCExecutor::request(const QString &command)
{
std::vector<std::string> args;
if(!parseCommandLine(args, command.toStdString()))
try
{
std::string result;
std::string executableCommand = command.toStdString() + "\n";
if(!RPCConsole::RPCExecuteCommandLine(result, executableCommand))
{
Q_EMIT reply(RPCConsole::CMD_ERROR, QString("Parse error: unbalanced ' or \""));
return;
}
if(args.empty())
return; // Nothing to do
try
{
std::string strPrint;
// Convert argument list to JSON objects in method-dependent way,
// and pass it along with the method name to the dispatcher.
UniValue result = tableRPC.execute(
args[0],
RPCConvertValues(args[0], std::vector<std::string>(args.begin() + 1, args.end())));
// Format result reply
if (result.isNull())
strPrint = "";
else if (result.isStr())
strPrint = result.get_str();
else
strPrint = result.write(2);
Q_EMIT reply(RPCConsole::CMD_REPLY, QString::fromStdString(strPrint));
Q_EMIT reply(RPCConsole::CMD_REPLY, QString::fromStdString(result));
}
catch (UniValue& objError)
{

2
src/qt/rpcconsole.h
View File

@ -35,6 +35,8 @@ public:
explicit RPCConsole(const PlatformStyle *platformStyle, QWidget *parent);
~RPCConsole();
static bool RPCExecuteCommandLine(std::string &strResult, const std::string &strCommand);
void setClientModel(ClientModel *model);
enum MessageClass {

93
src/qt/test/rpcnestedtests.cpp Normal file
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@ -0,0 +1,93 @@
// Copyright (c) 2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "rpcnestedtests.h"
#include "chainparams.h"
#include "consensus/validation.h"
#include "main.h"
#include "rpc/register.h"
#include "rpc/server.h"
#include "rpcconsole.h"
#include "test/testutil.h"
#include "univalue.h"
#include "util.h"
#include <QDir>
#include <boost/filesystem.hpp>
void RPCNestedTests::rpcNestedTests()
{
UniValue jsonRPCError;
// do some test setup
// could be moved to a more generic place when we add more tests on QT level
const CChainParams& chainparams = Params();
RegisterAllCoreRPCCommands(tableRPC);
ClearDatadirCache();
std::string path = QDir::tempPath().toStdString() + "/" + strprintf("test_bitcoin_qt_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));
QDir dir(QString::fromStdString(path));
dir.mkpath(".");
mapArgs["-datadir"] = path;
//mempool.setSanityCheck(1.0);
pblocktree = new CBlockTreeDB(1 << 20, true);
pcoinsdbview = new CCoinsViewDB(1 << 23, true);
pcoinsTip = new CCoinsViewCache(pcoinsdbview);
InitBlockIndex(chainparams);
{
CValidationState state;
bool ok = ActivateBestChain(state, chainparams);
QVERIFY(ok);
}
SetRPCWarmupFinished();
std::string result;
std::string result2;
RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()[chain]"); //simple result filtering with path
QVERIFY(result=="main");
RPCConsole::RPCExecuteCommandLine(result, "getblock(getbestblockhash())"); //simple 2 level nesting
RPCConsole::RPCExecuteCommandLine(result, "getblock(getblock(getbestblockhash())[hash], true)");
RPCConsole::RPCExecuteCommandLine(result, "getblock( getblock( getblock(getbestblockhash())[hash] )[hash], true)"); //4 level nesting with whitespace, filtering path and boolean parameter
RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo");
QVERIFY(result.substr(0,1) == "{");
RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()");
QVERIFY(result.substr(0,1) == "{");
RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo "); //whitespace at the end will be tolerated
QVERIFY(result.substr(0,1) == "{");
#if QT_VERSION >= 0x050300
// do the QVERIFY_EXCEPTION_THROWN checks only with Qt5.3 and higher (QVERIFY_EXCEPTION_THROWN was introduced in Qt5.3)
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo() .\n"), std::runtime_error); //invalid syntax
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo() getblockchaininfo()"), std::runtime_error); //invalid syntax
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo(")); //tolerate non closing brackets if we have no arguments
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()()()")); //tolerate non command brackts
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo(True)"), UniValue); //invalid argument
QVERIFY_EXCEPTION_THROWN(RPCConsole::RPCExecuteCommandLine(result, "a(getblockchaininfo(True))"), UniValue); //method not found
#endif
(RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()[\"chain\"]")); //Quote path identifier are allowed, but look after a child contaning the quotes in the key
QVERIFY(result == "null");
(RPCConsole::RPCExecuteCommandLine(result, "createrawtransaction [] {} 0")); //parameter not in brackets are allowed
(RPCConsole::RPCExecuteCommandLine(result2, "createrawtransaction([],{},0)")); //parameter in brackets are allowed
QVERIFY(result == result2);
(RPCConsole::RPCExecuteCommandLine(result2, "createrawtransaction( [], {} , 0 )")); //whitespace between parametres is allowed
QVERIFY(result == result2);
RPCConsole::RPCExecuteCommandLine(result, "getblock(getbestblockhash())[tx][0]");
QVERIFY(result == "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b");
delete pcoinsTip;
delete pcoinsdbview;
delete pblocktree;
boost::filesystem::remove_all(boost::filesystem::path(path));
}

25
src/qt/test/rpcnestedtests.h Normal file
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@ -0,0 +1,25 @@
// Copyright (c) 2016 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_QT_TEST_RPC_NESTED_TESTS_H
#define BITCOIN_QT_TEST_RPC_NESTED_TESTS_H
#include <QObject>
#include <QTest>
#include "txdb.h"
#include "txmempool.h"
class RPCNestedTests : public QObject
{
Q_OBJECT
private Q_SLOTS:
void rpcNestedTests();
private:
CCoinsViewDB *pcoinsdbview;
};
#endif // BITCOIN_QT_TEST_RPC_NESTED_TESTS_H

16
src/qt/test/test_main.cpp
View File

@ -1,4 +1,4 @@
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -6,6 +6,9 @@
#include "config/bitcoin-config.h"
#endif
#include "chainparams.h"
#include "key.h"
#include "rpcnestedtests.h"
#include "util.h"
#include "uritests.h"
@ -27,10 +30,17 @@ Q_IMPORT_PLUGIN(qtwcodecs)
Q_IMPORT_PLUGIN(qkrcodecs)
#endif
extern void noui_connect();
// This is all you need to run all the tests
int main(int argc, char *argv[])
{
ECC_Start();
SetupEnvironment();
SetupNetworking();
SelectParams(CBaseChainParams::MAIN);
noui_connect();
bool fInvalid = false;
// Don't remove this, it's needed to access
@ -48,6 +58,10 @@ int main(int argc, char *argv[])
if (QTest::qExec(&test2) != 0)
fInvalid = true;
#endif
RPCNestedTests test3;
if (QTest::qExec(&test3) != 0)
fInvalid = true;
ECC_Stop();
return fInvalid;
}