Function setmocktime

src/rpc/misc.cpp:439–478

}

static RPCHelpMan setmocktime()
{
    return RPCHelpMan{"setmocktime",
        "\nSet the local time to given timestamp (-regtest only)\n",
        {
            {"timestamp", RPCArg::Type::NUM, RPCArg::Optional::NO, UNIX_EPOCH_TIME + "\n"
             "Pass 0 to go back to using the system time."},
        },
        RPCResult{RPCResult::Type::NONE, "", ""},
        RPCExamples{""},
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    if (!Params().IsMockableChain()) {
        throw std::runtime_error("setmocktime is 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 call sites of GetTime() are accessing this safely.
    LOCK(cs_main);

    RPCTypeCheck(request.params, {UniValue::VNUM});
    const int64_t time{request.params[0].get_int64()};
    if (time < 0) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Mocktime cannot be negative: %s.", time));
    }
    SetMockTime(time);
    auto node_context = util::AnyPtr<NodeContext>(request.context);
    if (node_context) {
        for (const auto& chain_client : node_context->chain_clients) {
            chain_client->setMockTime(time);
        }
    }

    return NullUniValue;
},
    };
}

#if defined(USE_SYSCALL_SANDBOX)
static RPCHelpMan invokedisallowedsyscall()