Enhancement:

- RPCClient: fork detection, highutxos detection.
- UI: Alerts for fork detection and highutxos detection. Allows Autocombine utxos

configure.ac

@@ -19,6 +19,7 @@ BITCOIN_CLI_NAME=__decenomy__-cli
 BITCOIN_TX_NAME=__decenomy__-tx
 
 BOOTSTRAP_URL_DEFAULT=https://bootstraps.decenomy.net/
+DECENOMY_API_URL_DEFAULT=https://explorer.decenomy.net/api/v2/
 
 dnl Unless the user specified ARFLAGS, force it to be cr
 AC_ARG_VAR(ARFLAGS, [Flags for the archiver, defaults to <cr> if not set])
@@ -122,6 +123,13 @@ AC_ARG_WITH([bootstrap-url],
  [BOOTSTRAP_URL="$withval"],
  [BOOTSTRAP_URL="$BOOTSTRAP_URL_DEFAULT"])
 
+# Allow the user to specify a different value for DECENOMY_API_URL
+AC_ARG_WITH([api-url],
+ [AS_HELP_STRING([--with-api-url=URL],
+ [URL for decenomy api])],
+ [DECENOMY_API_URL="$withval"],
+ [DECENOMY_API_URL="$DECENOMY_API_URL_DEFAULT"])
+
 # Enable wallet
 AC_ARG_ENABLE([wallet],
  [AS_HELP_STRING([--disable-wallet],
@@ -1411,6 +1419,7 @@ AC_DEFINE(CLIENT_VERSION_IS_RELEASE, _CLIENT_VERSION_IS_RELEASE, [Version is rel
 AC_DEFINE(COPYRIGHT_YEAR, _COPYRIGHT_YEAR, [Version is release])
 AC_DEFINE_UNQUOTED(PARAMS_DIR, ["$params_path"], [Path to the zk params dir during unit tests on windows])
 AC_DEFINE_UNQUOTED([BOOTSTRAP_URL], ["$BOOTSTRAP_URL"], [URL for bootstrap data])
+AC_DEFINE_UNQUOTED([DECENOMY_API_URL], ["$DECENOMY_API_URL"], [URL for decenomy api])
 AC_SUBST(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR)
 AC_SUBST(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR)
 AC_SUBST(CLIENT_VERSION_REVISION, _CLIENT_VERSION_REVISION)
@@ -1529,10 +1538,11 @@ esac
 
 echo
 echo "Options used to compile and link:"
-echo " with wallet = $enable_wallet"
-echo " with bootstrap = $enable_bootstrap"
-echo " bootstrap url = $BOOTSTRAP_URL"
-echo " with gui / qt = $bitcoin_enable_qt"
+echo " with wallet = $enable_wallet"
+echo " with bootstrap = $enable_bootstrap"
+echo " bootstrap url = $BOOTSTRAP_URL"
+echo " decenomy api url = $DECENOMY_API_URL"
+echo " with gui / qt = $bitcoin_enable_qt"
 if test x$bitcoin_enable_qt != xno; then
  echo " with qtcharts = $use_qtcharts"
 fi

src/Makefile.qt.include

@@ -301,6 +301,9 @@ RES_ICONS = \
  qt/pivx/res/img/ic-check-peers-off.svg \
  qt/pivx/res/img/ic-nav-dashboard.svg \
  qt/pivx/res/img/ic-wallet-status-unlocked.svg \
+ qt/pivx/res/img/ic-package-fork.svg \
+ qt/pivx/res/img/ic-package-highutxos.svg \
+ qt/pivx/res/img/ic-wallet-status-unlocked.svg \
  qt/pivx/res/img/ic-check-peers.svg \
  qt/pivx/res/img/ic-nav-master-active.svg \
  qt/pivx/res/img/ic-watch-password-white.svg \

src/bootstrap.cpp

@@ -67,7 +67,8 @@ bool CBootstrap::DownloadAndApply()
 
  try {
  // Step 1: Download the bootstrap file
- if (!CCurlWrapper::DownloadFile(url, fileName.string(), progressCallback)) {
+ CCurlWrapper client;
+ if (!client.DownloadFile(url, fileName.string(), progressCallback)) {
  LogPrintf(
  "CBootstrap::%s: Failed to download the bootstrap file: %s\n",
  __func__,

src/curl.cpp

@@ -6,9 +6,15 @@
 
 #include "init.h"
 #include "logging.h"
+#include "fs.h"
+
+#include <openssl/md5.h>
+#include <boost/filesystem.hpp>
+
+namespace fs = boost::filesystem;
 
 // Callback function to write downloaded data to a file
-size_t writeCallback(void* data, size_t size, size_t nmemb, void* clientp)
+size_t downloadWriteCallback(void* data, size_t size, size_t nmemb, void* clientp)
 {
  if(ShutdownRequested()) {
  LogPrintf(
@@ -23,20 +29,112 @@ size_t writeCallback(void* data, size_t size, size_t nmemb, void* clientp)
  return total_size;
 }
 
-bool CCurlWrapper::DownloadFile(
- const std::string& url,
- const std::string& filename,
- curl_xferinfo_callback xferinfoCallback)
-{
- try {
- // Initializes libcurl
- const auto curl = curl_easy_init();
- if (!curl) {
- LogPrintf(
- "CCurlWrapper::%s: Error initializing libcurl.\n", __func__);
- return false;
- }
+// Callback function to append downloaded data from a request method
+size_t requestWriteCallback(void* ptr, size_t size, size_t nmemb, std::string* data) {
+ data->append((char*)ptr, size * nmemb);
+ return size * nmemb;
+}
+
+// Callback function to write received headers to a string
+size_t headerCallback(void* buffer, size_t size, size_t nmemb, std::string* headers) {
+ size_t totalSize = size * nmemb;
+ headers->append((char*)buffer, totalSize);
+ return totalSize;
+}
+
+std::string CalculateMD5(const std::string& filePath) {
+ std::ifstream file(filePath, std::ios::binary);
+ if (!file) {
+ LogPrintf("-MD5: Error opening file: %s\n",filePath);
+ return "";
+ }
+
+ MD5_CTX mdContext;
+ MD5_Init(&mdContext);
+
+ const int bufferSize = 4096;
+ char buffer[bufferSize];
+ while (file) {
+ file.read(buffer, bufferSize);
+ MD5_Update(&mdContext, buffer, file.gcount());
+ }
+ file.close();
+
+ unsigned char digest[MD5_DIGEST_LENGTH];
+ MD5_Final(digest, &mdContext);
 
+ char md5String[MD5_DIGEST_LENGTH * 2 + 1];
+ for(int i = 0; i < MD5_DIGEST_LENGTH; i++)
+ sprintf(&md5String[i*2], "%02x", (unsigned int)digest[i]);
+
+ return md5String;
+}
+
+bool Base64Decode(const std::string &input, std::string &out) {
+ static constexpr unsigned char kDecodingTable[] = {
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63, 52, 53, 54, 55, 56, 57,
+ 58, 59, 60, 61, 64, 64, 64, 64, 64, 64, 64, 0, 1, 2, 3, 4, 5, 6,
+ 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 64, 64, 64, 64, 64, 64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
+ 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+ 64, 64, 64, 64
+ };
+
+ size_t in_len = input.size();
+ if (in_len % 4 != 0)
+ return false;
+
+ size_t out_len = in_len / 4 * 3;
+ if (in_len >= 1 && input[in_len - 1] == '=')
+ out_len--;
+ if (in_len >= 2 && input[in_len - 2] == '=')
+ out_len--;
+
+ out.resize(out_len);
+
+ for (size_t i = 0, j = 0; i < in_len;) {
+ uint32_t a = input[i] == '='
+ ? 0 & i++
+ : kDecodingTable[static_cast<int>(input[i++])];
+ uint32_t b = input[i] == '='
+ ? 0 & i++
+ : kDecodingTable[static_cast<int>(input[i++])];
+ uint32_t c = input[i] == '='
+ ? 0 & i++
+ : kDecodingTable[static_cast<int>(input[i++])];
+ uint32_t d = input[i] == '='
+ ? 0 & i++
+ : kDecodingTable[static_cast<int>(input[i++])];
+
+ uint32_t triple =
+ (a << 3 * 6) + (b << 2 * 6) + (c << 1 * 6) + (d << 0 * 6);
+
+ if (j < out_len)
+ out[j++] = (triple >> 2 * 8) & 0xFF;
+ if (j < out_len)
+ out[j++] = (triple >> 1 * 8) & 0xFF;
+ if (j < out_len)
+ out[j++] = (triple >> 0 * 8) & 0xFF;
+ }
+
+ return true;
+}
+
+CCurlWrapper::CCurlWrapper() {
+ curl_global_init(CURL_GLOBAL_ALL);
+ curl = curl_easy_init();
+ if (!curl) {
+ LogPrintf("CCurlWrapper::%s: Error initializing libcurl.\n", __func__);
+ }else{
  // Gets libcurl version information
  const auto info = curl_version_info(CURLVERSION_NOW);
  if (info) {
@@ -53,14 +151,40 @@ bool CCurlWrapper::DownloadFile(
  LogPrintf(
  "CCurlWrapper::%s: Failed to retrieve libcurl version information.\n", 
  __func__);
- return false;
  }
+ }
+}
+
+CCurlWrapper::~CCurlWrapper() {
+ if (curl) {
+ curl_easy_cleanup(curl);
+ }
+ curl_global_cleanup();
+}
+
+bool CCurlWrapper::DownloadFile(
+ const std::string& url,
+ const std::string& filename,
+ curl_xferinfo_callback xferinfoCallback)
+{
+ try {
 
  LogPrintf(
  "CCurlWrapper::%s: Downloading from %s\n", 
  __func__,
  url);
 
+ if(fs::exists(filename))
+ fs::remove(filename);
+
+ // Try to set permissions
+ if(!GrantWritePermissions(fs::current_path())){
+ LogPrintf(
+ "CCurlWrapper::%s: Couldn't grant permissions for folder: %s\n", 
+ __func__,fs::current_path().string());
+ return false;
+ }
+
  // Creates and open the destination file
  std::ofstream outputFile(filename, std::ios::binary);
  if (!outputFile.is_open()) {
@@ -82,7 +206,7 @@ bool CCurlWrapper::DownloadFile(
 #endif
 
  // Sets file releated parameters
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeCallback);
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, downloadWriteCallback);
  curl_easy_setopt(curl, CURLOPT_WRITEDATA, &outputFile);
 
  // Sets progress function parameters
@@ -95,13 +219,38 @@ bool CCurlWrapper::DownloadFile(
  curl_easy_setopt(curl, CURLOPT_XFERINFODATA, NULL); 
  }
 
+ // Follow redirects
+ curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+
+ // Set the callback function to receive headers
+ std::string headers;
+ curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, headerCallback);
+ curl_easy_setopt(curl, CURLOPT_HEADERDATA, &headers);
+
+ const auto info = curl_version_info(CURLVERSION_NOW);
+ LogPrintf("curl: version: %s\n",info->version);
+ // Set User-Agent header
+ if (info) {
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, info->version);
+ }
+
  // HTTP call execution
  const auto res = curl_easy_perform(curl);
 
- // Cleanup
- curl_easy_cleanup(curl);
  outputFile.close();
 
+ /* !! calculate md5hash if available
+ std::string hexMD5 = CalculateMD5(outputFileName);
+ std::cout << "calculated md5: " << hexMD5 << std::endl;
+
+ // get md5 from header
+ std::string headerMD5 = "Z+Ye9ExZ/IUfkl/Rb5piiQ==";
+ std::string decoded = "";
+ Base64Decode(headerMD5,decoded);
+ std::string hex = StringToHex(decoded);
+ std::cout << "headerMD5: " << hex << std::endl;
+ */
+
  // Evaluation and return
  if (res != CURLE_OK) {
  if(!ShutdownRequested()) {
@@ -122,3 +271,45 @@ bool CCurlWrapper::DownloadFile(
 
  return true;
 }
+
+std::string CCurlWrapper::Request(const std::string& url) {
+
+ std::string response = "";
+ try {
+ LogPrintf("CCurlWrapper::%s: request: %s\n", __func__, url);
+ if (curl) {
+ curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L); // Verify the peer's SSL certificate
+ curl_easy_setopt(curl, CURLOPT_SSL_OPTIONS, CURLSSLOPT_NATIVE_CA);
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, requestWriteCallback);
+ curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
+
+#if defined(__APPLE__)
+ LogPrintf("CCurlWrapper::%s: apple ca path: %s\n", __func__, (const char*)APPLE_CA_PATH);
+ curl_easy_setopt(curl, CURLOPT_CAINFO, (const char*)APPLE_CA_PATH);
+#endif
+
+ // Set User-Agent header
+ curl_version_info_data *info = curl_version_info(CURLVERSION_NOW);
+
+ if (info) {
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, info->version);
+ }else{
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, "curl x.xx");
+ }
+
+ CURLcode res = curl_easy_perform(curl);
+ if (res != CURLE_OK) {
+ LogPrintf("CCurlWrapper::%s: error: Failed to perform HTTP request: %s", __func__, curl_easy_strerror(res));
+ }
+ }
+ } catch (const std::exception& e) {
+ LogPrintf(
+ "CCurlWrapper::%s: Error requesting url: %s\n", 
+ __func__, e.what());
+ return "";
+ }
+
+
+ return response;
+}

src/curl.h

@@ -13,10 +13,15 @@
 class CCurlWrapper
 {
 public:
- static bool DownloadFile(
+ CCurlWrapper();
+ ~CCurlWrapper();
+ bool DownloadFile(
  const std::string& url,
  const std::string& filename,
  curl_xferinfo_callback xferinfoCallback = nullptr);
+ std::string Request(const std::string& url);
+private:
+ CURL* curl;
 };
 
 #endif // CURL_H