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rpc: make coinjoin a composite command

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Kittywhiskers Van Gogh 2024-07-11 16:16:41 +00:00
parent 1f113587fb
commit 51b6b94fc0
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GPG Key ID: 30CD0C065E5C4AAD
1 changed files with 139 additions and 49 deletions
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136
src/rpc/coinjoin.cpp
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@ -22,6 +22,23 @@
#include <univalue.h>
#ifdef ENABLE_WALLET
namespace {
void ValidateCoinJoinArguments()
{
/* If CoinJoin is enabled, everything is working as expected, we can bail */
if (CCoinJoinClientOptions::IsEnabled())
return;
/* CoinJoin is on by default, unless a command line argument says otherwise */
if (!gArgs.GetBoolArg("-enablecoinjoin", true)) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Mixing is disabled via -enablecoinjoin=0 command line option, remove it to enable mixing again");
}
/* Most likely something bad happened and we disabled it while running the wallet */
throw JSONRPCError(RPC_INTERNAL_ERROR, "Mixing is disabled due to an internal error");
}
} // anonymous namespace
static RPCHelpMan coinjoin()
{
return RPCHelpMan{"coinjoin",
@ -35,6 +52,25 @@ static RPCHelpMan coinjoin()
RPCResults{},
RPCExamples{""},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
throw JSONRPCError(RPC_INVALID_PARAMETER, "Must be a valid command");
},
};
}
static RPCHelpMan coinjoin_reset()
{
return RPCHelpMan{"coinjoin reset",
"\nReset CoinJoin mixing\n",
{},
RPCResult{
RPCResult::Type::STR, "", "Status of request"
},
RPCExamples{
HelpExampleCli("coinjoin reset", "")
+ HelpExampleRpc("coinjoin reset", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
@ -45,27 +81,55 @@ static RPCHelpMan coinjoin()
throw JSONRPCError(RPC_INTERNAL_ERROR, "Client-side mixing is not supported on masternodes");
}
if (!CCoinJoinClientOptions::IsEnabled()) {
if (!gArgs.GetBoolArg("-enablecoinjoin", true)) {
// otherwise it's on by default, unless cmd line option says otherwise
throw JSONRPCError(RPC_INTERNAL_ERROR, "Mixing is disabled via -enablecoinjoin=0 command line option, remove it to enable mixing again");
} else {
// not enablecoinjoin=false case,
// most likely something bad happened and we disabled it while running the wallet
throw JSONRPCError(RPC_INTERNAL_ERROR, "Mixing is disabled due to some internal error");
}
}
ValidateCoinJoinArguments();
CHECK_NONFATAL(node.coinjoin_loader);
auto cj_clientman = node.coinjoin_loader->walletman().Get(wallet->GetName());
CHECK_NONFATAL(cj_clientman != nullptr);
if (request.params[0].get_str() == "start") {
CHECK_NONFATAL(cj_clientman);
cj_clientman->ResetPool();
return "Mixing was reset";
},
};
}
static RPCHelpMan coinjoin_start()
{
return RPCHelpMan{"coinjoin start",
"\nStart CoinJoin mixing\n"
"Wallet must be unlocked for mixing\n",
{},
RPCResult{
RPCResult::Type::STR, "", "Status of request"
},
RPCExamples{
HelpExampleCli("coinjoin start", "")
+ HelpExampleRpc("coinjoin start", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const NodeContext& node = EnsureAnyNodeContext(request.context);
if (node.mn_activeman) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Client-side mixing is not supported on masternodes");
}
ValidateCoinJoinArguments();
{
LOCK(wallet->cs_wallet);
if (wallet->IsLocked(true))
throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please unlock wallet for mixing with walletpassphrase first.");
}
CHECK_NONFATAL(node.coinjoin_loader);
auto cj_clientman = node.coinjoin_loader->walletman().Get(wallet->GetName());
CHECK_NONFATAL(cj_clientman);
if (!cj_clientman->StartMixing()) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Mixing has been started already.");
}
@ -75,19 +139,42 @@ static RPCHelpMan coinjoin()
CConnman& connman = EnsureConnman(node);
bool result = cj_clientman->DoAutomaticDenominating(chainman.ActiveChainstate(), connman, mempool);
return "Mixing " + (result ? "started successfully" : ("start failed: " + cj_clientman->GetStatuses().original + ", will retry"));
},
};
}
if (request.params[0].get_str() == "stop") {
static RPCHelpMan coinjoin_stop()
{
return RPCHelpMan{"coinjoin stop",
"\nStop CoinJoin mixing\n",
{},
RPCResult{
RPCResult::Type::STR, "", "Status of request"
},
RPCExamples{
HelpExampleCli("coinjoin stop", "")
+ HelpExampleRpc("coinjoin stop", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const NodeContext& node = EnsureAnyNodeContext(request.context);
if (node.mn_activeman) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Client-side mixing is not supported on masternodes");
}
ValidateCoinJoinArguments();
CHECK_NONFATAL(node.coinjoin_loader);
auto cj_clientman = node.coinjoin_loader->walletman().Get(wallet->GetName());
CHECK_NONFATAL(cj_clientman);
cj_clientman->StopMixing();
return "Mixing was stopped";
}
if (request.params[0].get_str() == "reset") {
cj_clientman->ResetPool();
return "Mixing was reset";
}
return "Unknown command, please see \"help coinjoin\"";
},
};
}
@ -192,15 +279,18 @@ void RegisterCoinJoinRPCCommands(CRPCTable &t)
// clang-format off
static const CRPCCommand commands[] =
{ // category name actor (function) argNames
// --------------------- ------------------------ ---------------------------------
// ------------------------------------------------------------------------------------------------------
{ "dash", "getpoolinfo", &getpoolinfo, {} },
{ "dash", "getcoinjoininfo", &getcoinjoininfo, {} },
#ifdef ENABLE_WALLET
{ "dash", "coinjoin", &coinjoin, {"command"} },
{ "dash", "coinjoin", "reset", &coinjoin_reset, {} },
{ "dash", "coinjoin", "start", &coinjoin_start, {} },
{ "dash", "coinjoin", "stop", &coinjoin_stop, {} },
#endif // ENABLE_WALLET
};
// clang-format on
for (const auto& command : commands) {
t.appendCommand(command.name, &command);
t.appendCommand(command.name, command.subname, &command);
}
}