Add size argument to logdvmstate. Dump to data directory.

src/dfi/rpc_accounts.cpp

@@ -3550,8 +3550,10 @@ static std::string BytesToHex(const std::vector<unsigned char> &data) {
 UniValue logdvmstate(const JSONRPCRequest &request) {
     RPCHelpMan{
         "logdvmstate",
-        "Log the full DVM state for debugging.\n",
-        {},
+        "Log the full DVM state for debugging in the datadir dumps directory.\n",
+        {
+          {"size", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "Size for each file in GBs, default 1024MB"},
+          },
         RPCResult{"Generates logdvmstate-xxx.log files\n"},
         RPCExamples{HelpExampleCli("logdvmstate", "")},
     }
@@ -3568,8 +3570,21 @@ UniValue logdvmstate(const JSONRPCRequest &request) {
     // Create a CDBIterator
     auto pcursor = db->NewIterator(leveldb::ReadOptions());
 
+    const auto fileSize = request.params[0].isNull() ? 1 : request.params[0].get_int64();
+    if (fileSize <= 0) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER, "Size must be more then zero");
+    }
+
+    const size_t MAX_FILE_SIZE = fileSize * 1024 * 1048576;  // 1MB = 1048576 bytes
+
+    fs::path dumpsDir = GetDataDir() / "dumps";
+    if (!fs::exists(dumpsDir)) {
+        if (!fs::create_directory(dumpsDir)) {
+            throw JSONRPCError(RPC_MISC_ERROR, "Failed to create dumps directory");
+        }
+    }
+
     // File handling variables
-    const size_t MAX_FILE_SIZE = 1ULL << 30;  // 1 GB
     size_t fileCounter = 0;
     size_t bytesWritten = 0;
     std::ofstream outFile;
@@ -3581,9 +3596,10 @@ UniValue logdvmstate(const JSONRPCRequest &request) {
         }
         std::ostringstream fileName;
         fileName << "logdvmstate-" << std::setw(3) << std::setfill('0') << fileCounter << ".log";
-        outFile.open(fileName.str(), std::ios::out | std::ios::binary);
+        fs::path filePath = dumpsDir / fileName.str();
+        outFile.open(PathToString(filePath), std::ios::out | std::ios::binary);
         if (!outFile) {
-            std::cerr << "Failed to open file: " << fileName.str() << std::endl;
+            std::cerr << "Failed to open file: " << PathToString(filePath) << std::endl;
             return false;
         }
         bytesWritten = 0;
@@ -3684,7 +3700,7 @@ static const CRPCCommand commands[] = {
     {"accounts", "listlockedtokens",       &listlockedtokens,       {}                                                          },
     {"accounts", "getlockedtokens",        &getlockedtokens,        {"address"}                                                 },
     {"accounts", "releaselockedtokens",    &releaselockedtokens,    {"releasePart"}                                             },
-    {"hidden",   "logdvmstate",            &logdvmstate,            {""}                                                        },
+    {"hidden",   "logdvmstate",            &logdvmstate,            {"size"}                                                    },
 };
 
 void RegisterAccountsRPCCommands(CRPCTable &tableRPC) {

src/rpc/client.cpp

@@ -322,6 +322,8 @@ static const CRPCConvertParam vRPCConvertParams[] =
 
     { "releaselockedtokens", 0, "releasePart" },
 
+    { "logdvmstate", 0, "size" },
+
     { "setgov", 0, "variables" },
     { "setgov", 1, "inputs" },