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Merge #11698: [Docs] [Qt] RPC-Console nested commands documentation

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c3055bb Add help-console command to Qt debug console (Luke Mlsna)

Pull request description:

  This PR would close issue #9195 by adding documentation for the debug console features (mainly nested commands) which were added in [PR #7783](https://github.com/bitcoin/bitcoin/pull/7783).

  The following changes were made to QT debug console code:
  - Added a line to the initial message text at the top of the debug console:

  > For more information on using this console type **help-console**.

  - Added a pseudo-command `help-console` which is hooked after parsing the request, but before actually executing the RPC thread. It prints the following text to the console as if it were a valid RPC response.

  > This console accepts RPC commands using the standard syntax.
  >    example:    getblockhash 8
  > This console can also accept RPC commands using bracketed syntax.
  >    example:    getblockhash(8)
  > A space or a comma can be used to separate arguments for either syntax.
  >    example:    sendtoaddress \<address\> \<amount\>
  >                    sendtoaddress,\<address\>,\<amount\>
  > Commands may be nested when specified with the bracketed syntax.
  >    example:    getblockinfo(getblockhash(0),true).
  > Result values can be queried with a non-quoted string in brackets.
  >    example:    getblock(getblockhash(0) true)[height]

  This seemed like a reasonably sane way to introduce a fake RPC help command, but

Tree-SHA512: 35d73dcef9c4936b8be99e80978169f117c22b94f4400c91097bf7e0e1489060202dcd738d9debdf4c8a7bd10709e2c19d4f625f19e47c4a034f1d6019c0e0f2
This commit is contained in:
Wladimir J. van der Laan 2017-11-19 13:04:22 +01:00
commit 7293d06413
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GPG Key ID: 1E4AED62986CD25D
1 changed files with 31 additions and 3 deletions
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34
src/qt/rpcconsole.cpp
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@ -392,11 +392,37 @@ void RPCExecutor::request(const QString &command)
{
std::string result;
std::string executableCommand = command.toStdString() + "\n";
// Catch the console-only-help command before RPC call is executed and reply with help text as-if a RPC reply.
if(executableCommand == "help-console\n")
{
Q_EMIT reply(RPCConsole::CMD_REPLY, QString(("\n"
"This console accepts RPC commands using the standard syntax.\n"
" example: getblockhash 0\n\n"
"This console can also accept RPC commands using parenthesized syntax.\n"
" example: getblockhash(0)\n\n"
"Commands may be nested when specified with the parenthesized syntax.\n"
" example: getblock(getblockhash(0) 1)\n\n"
"A space or a comma can be used to delimit arguments for either syntax.\n"
" example: getblockhash 0\n"
" getblockhash,0\n\n"
"Named results can be queried with a non-quoted key string in brackets.\n"
" example: getblock(getblockhash(0) true)[tx]\n\n"
"Results without keys can be queried using an integer in brackets.\n"
" example: getblock(getblockhash(0),true)[tx][0]\n\n")));
return;
}
if(!RPCConsole::RPCExecuteCommandLine(result, executableCommand))
{
Q_EMIT reply(RPCConsole::CMD_ERROR, QString("Parse error: unbalanced ' or \""));
return;
}
Q_EMIT reply(RPCConsole::CMD_REPLY, QString::fromStdString(result));
}
catch (UniValue& objError)
@ -645,6 +671,7 @@ void RPCConsole::setClientModel(ClientModel *model)
wordList << ("help " + commandList[i]).c_str();
}
wordList << "help-console";
wordList.sort();
autoCompleter = new QCompleter(wordList, this);
autoCompleter->setModelSorting(QCompleter::CaseSensitivelySortedModel);
@ -750,10 +777,11 @@ void RPCConsole::clear(bool clearHistory)
message(CMD_REPLY, (tr("Welcome to the %1 RPC console.").arg(tr(PACKAGE_NAME)) + "<br>" +
tr("Use up and down arrows to navigate history, and %1 to clear screen.").arg("<b>"+clsKey+"</b>") + "<br>" +
tr("Type <b>help</b> for an overview of available commands.")) +
"<br><span class=\"secwarning\">" +
tr("Type %1 for an overview of available commands.").arg("<b>help</b>") + "<br>" +
tr("For more information on using this console type %1.").arg("<b>help-console</b>") +
"<br><span class=\"secwarning\"><br>" +
tr("WARNING: Scammers have been active, telling users to type commands here, stealing their wallet contents. Do not use this console without fully understanding the ramifications of a command.") +
"</span>",
"</span>"),
true);
}