add try-catch into monero code

9 files changed, 597 insertions, 69 deletions

diff --git a/impls/monero.dart/lib/src/checksum_monero.dart b/impls/monero.dart/lib/src/checksum_monero.dart
index 1092533..ba038bd 100644
--- a/impls/monero.dart/lib/src/checksum_monero.dart
+++ b/impls/monero.dart/lib/src/checksum_monero.dart
@@ -1,4 +1,4 @@
 // ignore_for_file: constant_identifier_names
-const String wallet2_api_c_h_sha256 = "198a27486ce4f014b737f52ec2879a90838c3b3ca088de8dc7d55b79a10f4a5b";
-const String wallet2_api_c_cpp_sha256 = "22b0c9dd542fb55edfe9e17da67e97ddf5f80bcdd3e126e1bd64cce54234bde1-b089f9ee69924882c5d14dd1a6991deb05d9d1cd";
-const String wallet2_api_c_exp_sha256 = "c1f785d62709fd8b849063ecf4fe8854d9e3b05b568b9716de98d33e7bdaf522";
+const String wallet2_api_c_h_sha256 = "9e80c4b59a0509aa02fbf01e8df2881b89f82225d1765bfa7856cbdbaf7af116";
+const String wallet2_api_c_cpp_sha256 = "c26f377e5793264d1d5702515f2646e59750f92f576eff5d003642c1dfa4ea7b-b089f9ee69924882c5d14dd1a6991deb05d9d1cd";
+const String wallet2_api_c_exp_sha256 = "d0f95f1f3bc49f1f59fe4eb0b61826128d7d3bb75405d5a01a252d02db03097d";
diff --git a/impls/monero.dart/lib/src/generated_bindings_monero.g.dart b/impls/monero.dart/lib/src/generated_bindings_monero.g.dart
index cd2124b..77e2899 100644
--- a/impls/monero.dart/lib/src/generated_bindings_monero.g.dart
+++ b/impls/monero.dart/lib/src/generated_bindings_monero.g.dart
@@ -2763,39 +2763,6 @@ class MoneroC {
       _MONERO_Wallet_daemonBlockChainHeightPtr.asFunction<
           int Function(ffi.Pointer<ffi.Void>)>();
 
-  int MONERO_Wallet_daemonBlockChainHeight_cached(
-    ffi.Pointer<ffi.Void> wallet_ptr,
-  ) {
-    return _MONERO_Wallet_daemonBlockChainHeight_cached(
-      wallet_ptr,
-    );
-  }
-
-  late final _MONERO_Wallet_daemonBlockChainHeight_cachedPtr =
-      _lookup<ffi.NativeFunction<ffi.Uint64 Function(ffi.Pointer<ffi.Void>)>>(
-          'MONERO_Wallet_daemonBlockChainHeight_cached');
-  late final _MONERO_Wallet_daemonBlockChainHeight_cached =
-      _MONERO_Wallet_daemonBlockChainHeight_cachedPtr.asFunction<
-          int Function(ffi.Pointer<ffi.Void>)>();
-
-  void MONERO_Wallet_daemonBlockChainHeight_runThread(
-    ffi.Pointer<ffi.Void> wallet_ptr,
-    int seconds,
-  ) {
-    return _MONERO_Wallet_daemonBlockChainHeight_runThread(
-      wallet_ptr,
-      seconds,
-    );
-  }
-
-  late final _MONERO_Wallet_daemonBlockChainHeight_runThreadPtr = _lookup<
-          ffi
-          .NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int)>>(
-      'MONERO_Wallet_daemonBlockChainHeight_runThread');
-  late final _MONERO_Wallet_daemonBlockChainHeight_runThread =
-      _MONERO_Wallet_daemonBlockChainHeight_runThreadPtr.asFunction<
-          void Function(ffi.Pointer<ffi.Void>, int)>();
-
   int MONERO_Wallet_daemonBlockChainTargetHeight(
     ffi.Pointer<ffi.Void> wallet_ptr,
   ) {
diff --git a/impls/monero.ts/checksum_monero.ts b/impls/monero.ts/checksum_monero.ts
index b8e57cb..732396a 100644
--- a/impls/monero.ts/checksum_monero.ts
+++ b/impls/monero.ts/checksum_monero.ts
@@ -1,5 +1,5 @@
 export const moneroChecksum = {
-    wallet2_api_c_h_sha256: "198a27486ce4f014b737f52ec2879a90838c3b3ca088de8dc7d55b79a10f4a5b",
-    wallet2_api_c_cpp_sha256: "22b0c9dd542fb55edfe9e17da67e97ddf5f80bcdd3e126e1bd64cce54234bde1-b089f9ee69924882c5d14dd1a6991deb05d9d1cd",
-    wallet2_api_c_exp_sha256: "c1f785d62709fd8b849063ecf4fe8854d9e3b05b568b9716de98d33e7bdaf522",
+    wallet2_api_c_h_sha256: "9e80c4b59a0509aa02fbf01e8df2881b89f82225d1765bfa7856cbdbaf7af116",
+    wallet2_api_c_cpp_sha256: "c26f377e5793264d1d5702515f2646e59750f92f576eff5d003642c1dfa4ea7b-b089f9ee69924882c5d14dd1a6991deb05d9d1cd",
+    wallet2_api_c_exp_sha256: "d0f95f1f3bc49f1f59fe4eb0b61826128d7d3bb75405d5a01a252d02db03097d",
 }
diff --git a/monero_libwallet2_api_c/monero_libwallet2_api_c.exp b/monero_libwallet2_api_c/monero_libwallet2_api_c.exp
index 3b2931c..d42f14a 100644
--- a/monero_libwallet2_api_c/monero_libwallet2_api_c.exp
+++ b/monero_libwallet2_api_c/monero_libwallet2_api_c.exp
@@ -165,8 +165,6 @@ _MONERO_Wallet_blockChainHeight
 _MONERO_Wallet_approximateBlockChainHeight
 _MONERO_Wallet_estimateBlockChainHeight
 _MONERO_Wallet_daemonBlockChainHeight
-_MONERO_Wallet_daemonBlockChainHeight_cached
-_MONERO_Wallet_daemonBlockChainHeight_runThread
 _MONERO_Wallet_daemonBlockChainTargetHeight
 _MONERO_Wallet_synchronized
 _MONERO_Wallet_displayAmount
diff --git a/monero_libwallet2_api_c/src/main/cpp/helpers.cpp b/monero_libwallet2_api_c/src/main/cpp/helpers.cpp
index 8e45eba..324c12d 100644
--- a/monero_libwallet2_api_c/src/main/cpp/helpers.cpp
+++ b/monero_libwallet2_api_c/src/main/cpp/helpers.cpp
@@ -10,6 +10,8 @@
 #include <sstream>
 #include <cstring>
 #include <thread>
+#include <iostream>
+#include <stdexcept>
 
 #ifdef __ANDROID__
 #include <android/log.h>
@@ -260,4 +262,4 @@ std::vector<uint64_t> splitStringUint(const std::string& str, const std::string&
     }
     tokens.push_back(std::stoull(content));  // Inserting the last token
     return tokens;
-}
+}
\ No newline at end of file
diff --git a/monero_libwallet2_api_c/src/main/cpp/helpers.hpp b/monero_libwallet2_api_c/src/main/cpp/helpers.hpp
index c3a64e6..b12ec8c 100644
--- a/monero_libwallet2_api_c/src/main/cpp/helpers.hpp
+++ b/monero_libwallet2_api_c/src/main/cpp/helpers.hpp
@@ -3,6 +3,46 @@
 #include <set>
 #include <sstream>
 
+#define WRAPPER_TRY() \
+    try {
+
+#define WRAPPER_CATCH_CONST_CHAR() \
+    } catch (const std::exception &e) { \
+        std::string error_message = std::string("Exception caught: ") + e.what(); \
+        char* result = static_cast<char*>(malloc(error_message.size() + 1)); \
+        if (result) { \
+            std::strcpy(result, error_message.c_str()); \
+        } \
+        return result; \
+    } catch (...) { \
+        std::string error_message = "Unknown exception caught."; \
+        char* result = static_cast<char*>(malloc(error_message.size() + 1)); \
+        if (result) { \
+            std::strcpy(result, error_message.c_str()); \
+        } \
+        return result; \
+    }
+
+#define WRAPPER_CATCH(default_value) \
+    } catch (const std::exception &e) { \
+        std::cerr << "Exception caught: " << e.what() << std::endl; \
+        return default_value; \
+    } catch (...) { \
+        std::cerr << "Unknown exception caught." << std::endl; \
+        return default_value; \
+    }
+
+
+#define WRAPPER_CATCH_VOID() \
+    } catch (const std::exception &e) { \
+        std::cerr << "Exception caught: " << e.what() << std::endl; \
+        return; \
+    } catch (...) { \
+        std::cerr << "Unknown exception caught." << std::endl; \
+        return; \
+    }
+
+
 const char* vectorToString(const std::vector<std::string>& vec, const std::string separator);
 const char* vectorToString(const std::vector<uint32_t>& vec, const std::string separator);
 const char* vectorToString(const std::vector<uint64_t>& vec, const std::string separator);
diff --git a/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h b/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
index 4d3d39f..8f3f44a 100644
--- a/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
+++ b/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
@@ -1,6 +1,6 @@
 #ifndef MONEROC_CHECKSUMS
 #define MONEROC_CHECKSUMS
-const char * MONERO_wallet2_api_c_h_sha256 = "198a27486ce4f014b737f52ec2879a90838c3b3ca088de8dc7d55b79a10f4a5b";
-const char * MONERO_wallet2_api_c_cpp_sha256 = "22b0c9dd542fb55edfe9e17da67e97ddf5f80bcdd3e126e1bd64cce54234bde1-b089f9ee69924882c5d14dd1a6991deb05d9d1cd";
-const char * MONERO_wallet2_api_c_exp_sha256 = "c1f785d62709fd8b849063ecf4fe8854d9e3b05b568b9716de98d33e7bdaf522";
+const char * MONERO_wallet2_api_c_h_sha256 = "9e80c4b59a0509aa02fbf01e8df2881b89f82225d1765bfa7856cbdbaf7af116";
+const char * MONERO_wallet2_api_c_cpp_sha256 = "c26f377e5793264d1d5702515f2646e59750f92f576eff5d003642c1dfa4ea7b-b089f9ee69924882c5d14dd1a6991deb05d9d1cd";
+const char * MONERO_wallet2_api_c_exp_sha256 = "d0f95f1f3bc49f1f59fe4eb0b61826128d7d3bb75405d5a01a252d02db03097d";
 #endif
diff --git a/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.cpp b/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.cpp
index 0cc2f9f..b0bea5f 100644
--- a/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.cpp
+++ b/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.cpp
@@ -63,252 +63,346 @@ extern "C"
 // PendingTransaction
 
 int MONERO_PendingTransaction_status(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     return pendingTx->status();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_PendingTransaction_errorString(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::string str = pendingTx->errorString();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 bool MONERO_PendingTransaction_commit(void* pendingTx_ptr, const char* filename, bool overwrite) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     return pendingTx->commit(std::string(filename), overwrite);
+    WRAPPER_CATCH(false)
 }
 const char* MONERO_PendingTransaction_commitUR(void* pendingTx_ptr, int max_fragment_length) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::string str = pendingTx->commitUR(max_fragment_length);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 uint64_t MONERO_PendingTransaction_amount(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     return pendingTx->amount();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_PendingTransaction_dust(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     return pendingTx->dust();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_PendingTransaction_fee(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     return pendingTx->fee();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_PendingTransaction_txid(void* pendingTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::vector<std::string> txid = pendingTx->txid();
     return vectorToString(txid, std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 uint64_t MONERO_PendingTransaction_txCount(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     return pendingTx->txCount();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_PendingTransaction_subaddrAccount(void* pendingTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::vector<uint32_t> subaddrAccount = pendingTx->subaddrAccount();
     return vectorToString(subaddrAccount, std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_PendingTransaction_subaddrIndices(void* pendingTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::vector<std::set<uint32_t>> subaddrIndices = pendingTx->subaddrIndices();
     return vectorToString(subaddrIndices, std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_PendingTransaction_multisigSignData(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::string str = pendingTx->multisigSignData();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 void MONERO_PendingTransaction_signMultisigTx(void* pendingTx_ptr) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     return pendingTx->signMultisigTx();
+    WRAPPER_CATCH_VOID()
 }
 const char* MONERO_PendingTransaction_signersKeys(void* pendingTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::vector<std::string> txid = pendingTx->signersKeys();
     return vectorToString(txid, std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_PendingTransaction_hex(void* pendingTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::vector<std::string> txid = pendingTx->hex();
     return vectorToString(txid, std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_PendingTransaction_txKey(void* pendingTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::PendingTransaction *pendingTx = reinterpret_cast<Monero::PendingTransaction*>(pendingTx_ptr);
     std::vector<std::string> txid = pendingTx->txKey();
     return vectorToString(txid, std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 // UnsignedTransaction
 
 int MONERO_UnsignedTransaction_status(void* unsignedTx_ptr) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return unsignedTx->status();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_UnsignedTransaction_errorString(void* unsignedTx_ptr) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     std::string str = unsignedTx->errorString();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_UnsignedTransaction_amount(void* unsignedTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return vectorToString(unsignedTx->amount(), std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_UnsignedTransaction_fee(void* unsignedTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return vectorToString(unsignedTx->fee(), std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_UnsignedTransaction_mixin(void* unsignedTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return vectorToString(unsignedTx->mixin(), std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_UnsignedTransaction_confirmationMessage(void* unsignedTx_ptr) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     std::string str = unsignedTx->confirmationMessage();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_UnsignedTransaction_paymentId(void* unsignedTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return vectorToString(unsignedTx->paymentId(), std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_UnsignedTransaction_recipientAddress(void* unsignedTx_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return vectorToString(unsignedTx->recipientAddress(), std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 uint64_t MONERO_UnsignedTransaction_minMixinCount(void* unsignedTx_ptr) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return unsignedTx->minMixinCount();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_UnsignedTransaction_txCount(void* unsignedTx_ptr) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return unsignedTx->txCount();
+    WRAPPER_CATCH(0)
 }
 bool MONERO_UnsignedTransaction_sign(void* unsignedTx_ptr, const char* signedFileName) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     return unsignedTx->sign(std::string(signedFileName));
+    WRAPPER_CATCH(false)
 }
 const char* MONERO_UnsignedTransaction_signUR(void* unsignedTx_ptr, int max_fragment_length) {
+    WRAPPER_TRY()
     Monero::UnsignedTransaction *unsignedTx = reinterpret_cast<Monero::UnsignedTransaction*>(unsignedTx_ptr);
     std::string str = unsignedTx->signUR(max_fragment_length);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 // TransactionInfo
 int MONERO_TransactionInfo_direction(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->direction();
+    WRAPPER_CATCH(0)
 }
 bool MONERO_TransactionInfo_isPending(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->isPending();
+    WRAPPER_CATCH(false)
 }
 bool MONERO_TransactionInfo_isFailed(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->isFailed();
+    WRAPPER_CATCH(false)
 }
 bool MONERO_TransactionInfo_isCoinbase(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->isCoinbase();
+    WRAPPER_CATCH(false)
 }
 uint64_t MONERO_TransactionInfo_amount(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->amount();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_TransactionInfo_fee(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->fee();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_TransactionInfo_blockHeight(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->blockHeight();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_TransactionInfo_description(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     std::string str = txInfo->description();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_TransactionInfo_subaddrIndex(void* txInfo_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     std::set<uint32_t> subaddrIndex = txInfo->subaddrIndex();
     return vectorToString(subaddrIndex, std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 uint32_t MONERO_TransactionInfo_subaddrAccount(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->subaddrAccount();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_TransactionInfo_label(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     std::string str = txInfo->label();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 uint64_t MONERO_TransactionInfo_confirmations(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->confirmations();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_TransactionInfo_unlockTime(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->unlockTime();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_TransactionInfo_hash(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     std::string str = txInfo->hash();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 uint64_t MONERO_TransactionInfo_timestamp(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->timestamp();
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_TransactionInfo_paymentId(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     std::string str = txInfo->paymentId();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 int MONERO_TransactionInfo_transfers_count(void* txInfo_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->transfers().size();
+    WRAPPER_CATCH(0)
 }
 
 uint64_t MONERO_TransactionInfo_transfers_amount(void* txInfo_ptr, int index) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     return txInfo->transfers()[index].amount;
+    WRAPPER_CATCH(0)
 }
 
 const char* MONERO_TransactionInfo_transfers_address(void* txInfo_ptr, int index) {
+    WRAPPER_TRY()
     Monero::TransactionInfo *txInfo = reinterpret_cast<Monero::TransactionInfo*>(txInfo_ptr);
     std::string str = txInfo->transfers()[index].address;
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 
@@ -316,8 +410,10 @@ const char* MONERO_TransactionInfo_transfers_address(void* txInfo_ptr, int index
 
 // TransactionHistory
 int MONERO_TransactionHistory_count(void* txHistory_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionHistory *txHistory = reinterpret_cast<Monero::TransactionHistory*>(txHistory_ptr);
     return txHistory->count();
+    WRAPPER_CATCH(0)
 }
 void* MONERO_TransactionHistory_transaction(void* txHistory_ptr, int index) {
     Monero::TransactionHistory *txHistory = reinterpret_cast<Monero::TransactionHistory*>(txHistory_ptr);
@@ -329,63 +425,79 @@ void* MONERO_TransactionHistory_transactionById(void* txHistory_ptr, const char*
 }
 
 void MONERO_TransactionHistory_refresh(void* txHistory_ptr) {
+    WRAPPER_TRY()
     Monero::TransactionHistory *txHistory = reinterpret_cast<Monero::TransactionHistory*>(txHistory_ptr);
     return txHistory->refresh();
+    WRAPPER_CATCH_VOID()
 }
 void MONERO_TransactionHistory_setTxNote(void* txHistory_ptr, const char* txid, const char* note) {
+    WRAPPER_TRY()
     Monero::TransactionHistory *txHistory = reinterpret_cast<Monero::TransactionHistory*>(txHistory_ptr);
     return txHistory->setTxNote(std::string(txid), std::string(note));
+    WRAPPER_CATCH_VOID()
 }
 
 // AddressBokRow
 
 //     std::string extra;
 const char* MONERO_AddressBookRow_extra(void* addressBookRow_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBookRow *addressBookRow = reinterpret_cast<Monero::AddressBookRow*>(addressBookRow_ptr);
     std::string str = addressBookRow->extra;
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getAddress() const {return m_address;} 
 const char* MONERO_AddressBookRow_getAddress(void* addressBookRow_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBookRow *addressBookRow = reinterpret_cast<Monero::AddressBookRow*>(addressBookRow_ptr);
     std::string str = addressBookRow->getAddress();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getDescription() const {return m_description;} 
 const char* MONERO_AddressBookRow_getDescription(void* addressBookRow_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBookRow *addressBookRow = reinterpret_cast<Monero::AddressBookRow*>(addressBookRow_ptr);
     std::string str = addressBookRow->getDescription();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getPaymentId() const {return m_paymentId;} 
 const char* MONERO_AddressBookRow_getPaymentId(void* addressBookRow_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBookRow *addressBookRow = reinterpret_cast<Monero::AddressBookRow*>(addressBookRow_ptr);
     std::string str = addressBookRow->getPaymentId();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::size_t getRowId() const {return m_rowId;}
 size_t MONERO_AddressBookRow_getRowId(void* addressBookRow_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBookRow *addressBookRow = reinterpret_cast<Monero::AddressBookRow*>(addressBookRow_ptr);
     return addressBookRow->getRowId();
+    WRAPPER_CATCH(0)
 }
 
 // AddressBook
 //     virtual std::vector<AddressBookRow*> getAll() const = 0;
 int MONERO_AddressBook_getAll_size(void* addressBook_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     return addressBook->getAll().size();
+    WRAPPER_CATCH(0)
 }
 void* MONERO_AddressBook_getAll_byIndex(void* addressBook_ptr, int index) {
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
@@ -393,172 +505,228 @@ void* MONERO_AddressBook_getAll_byIndex(void* addressBook_ptr, int index) {
 }
 //     virtual bool addRow(const std::string &dst_addr , const std::string &payment_id, const std::string &description) = 0;  
 bool MONERO_AddressBook_addRow(void* addressBook_ptr, const char* dst_addr , const char* payment_id, const char* description) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     return addressBook->addRow(std::string(dst_addr), std::string(payment_id), std::string(description));
+    WRAPPER_CATCH(false)
 }
 //     virtual bool deleteRow(std::size_t rowId) = 0;
 bool MONERO_AddressBook_deleteRow(void* addressBook_ptr, size_t rowId) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     return addressBook->deleteRow(rowId);
+    WRAPPER_CATCH(false)
 }
 //     virtual bool setDescription(std::size_t index, const std::string &description) = 0;
 bool MONERO_AddressBook_setDescription(void* addressBook_ptr, size_t rowId, const char* description) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     return addressBook->setDescription(rowId, std::string(description));
+    WRAPPER_CATCH(false)
 }
 //     virtual void refresh() = 0;  
 void MONERO_AddressBook_refresh(void* addressBook_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     return addressBook->refresh();
+    WRAPPER_CATCH_VOID()
 }
 //     virtual std::string errorString() const = 0;
 const char* MONERO_AddressBook_errorString(void* addressBook_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     std::string str = addressBook->errorString();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual int errorCode() const = 0;
 int MONERO_AddressBook_errorCode(void* addressBook_ptr) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     return addressBook->errorCode();
+    WRAPPER_CATCH(0)
 }
 //     virtual int lookupPaymentID(const std::string &payment_id) const = 0;
 int MONERO_AddressBook_lookupPaymentID(void* addressBook_ptr, const char* payment_id) {
+    WRAPPER_TRY()
     Monero::AddressBook *addressBook = reinterpret_cast<Monero::AddressBook*>(addressBook_ptr);
     return addressBook->lookupPaymentID(std::string(payment_id));
+    WRAPPER_CATCH(0)
 }
 
 // CoinsInfo
 uint64_t MONERO_CoinsInfo_blockHeight(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->blockHeight();
+    WRAPPER_CATCH(0)
 }
 //     virtual std::string hash() const = 0;
 const char* MONERO_CoinsInfo_hash(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     std::string str = coinsInfo->hash();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual size_t internalOutputIndex() const = 0;
 size_t MONERO_CoinsInfo_internalOutputIndex(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->internalOutputIndex();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint64_t globalOutputIndex() const = 0;
 uint64_t MONERO_CoinsInfo_globalOutputIndex(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->globalOutputIndex();
+    WRAPPER_CATCH(0)
 }
 //     virtual bool spent() const = 0;
 bool MONERO_CoinsInfo_spent(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->spent();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool frozen() const = 0;
 bool MONERO_CoinsInfo_frozen(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->frozen();
+    WRAPPER_CATCH(false)
 }
 //     virtual uint64_t spentHeight() const = 0;
 uint64_t MONERO_CoinsInfo_spentHeight(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->spentHeight();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint64_t amount() const = 0;
 uint64_t MONERO_CoinsInfo_amount(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->amount();
+    WRAPPER_CATCH(0)
 }
 //     virtual bool rct() const = 0;
 bool MONERO_CoinsInfo_rct(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->rct();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool keyImageKnown() const = 0;
 bool MONERO_CoinsInfo_keyImageKnown(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->keyImageKnown();
+    WRAPPER_CATCH(false)
 }
 //     virtual size_t pkIndex() const = 0;
 size_t MONERO_CoinsInfo_pkIndex(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->pkIndex();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint32_t subaddrIndex() const = 0;
 uint32_t MONERO_CoinsInfo_subaddrIndex(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->subaddrIndex();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint32_t subaddrAccount() const = 0;
 uint32_t MONERO_CoinsInfo_subaddrAccount(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->subaddrAccount();
+    WRAPPER_CATCH(0)
 }
 //     virtual std::string address() const = 0;
 const char* MONERO_CoinsInfo_address(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     std::string str = coinsInfo->address();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual std::string addressLabel() const = 0;
 const char* MONERO_CoinsInfo_addressLabel(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     std::string str = coinsInfo->addressLabel();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual std::string keyImage() const = 0;
 const char* MONERO_CoinsInfo_keyImage(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     std::string str = coinsInfo->keyImage();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual uint64_t unlockTime() const = 0;
 uint64_t MONERO_CoinsInfo_unlockTime(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->unlockTime();
+    WRAPPER_CATCH(0)
 }
 //     virtual bool unlocked() const = 0;
 bool MONERO_CoinsInfo_unlocked(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->unlocked();
+    WRAPPER_CATCH(false)
 }
 //     virtual std::string pubKey() const = 0;
 const char* MONERO_CoinsInfo_pubKey(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     std::string str = coinsInfo->pubKey();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual bool coinbase() const = 0;
 bool MONERO_CoinsInfo_coinbase(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     return coinsInfo->coinbase();
+    WRAPPER_CATCH(false)
 }
 //     virtual std::string description() const = 0;
 const char* MONERO_CoinsInfo_description(void* coinsInfo_ptr) {
+    WRAPPER_TRY()
     Monero::CoinsInfo *coinsInfo = reinterpret_cast<Monero::CoinsInfo*>(coinsInfo_ptr);
     std::string str = coinsInfo->description();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 
@@ -567,8 +735,10 @@ const char* MONERO_CoinsInfo_description(void* coinsInfo_ptr) {
 //     virtual ~Coins() = 0;
 //     virtual int count() const = 0;
 int MONERO_Coins_count(void* coins_ptr) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->count();
+    WRAPPER_CATCH(0)
 }
 //     virtual CoinsInfo * coin(int index)  const = 0;
 void* MONERO_Coins_coin(void* coins_ptr, int index) {
@@ -577,8 +747,10 @@ void* MONERO_Coins_coin(void* coins_ptr, int index) {
 }
 
 int MONERO_Coins_getAll_size(void* coins_ptr)  {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->getAll().size();
+    WRAPPER_CATCH(0)
 }
 void* MONERO_Coins_getAll_byIndex(void* coins_ptr, int index) {
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
@@ -588,80 +760,104 @@ void* MONERO_Coins_getAll_byIndex(void* coins_ptr, int index) {
 //     virtual std::vector<CoinsInfo*> getAll() const = 0;
 //     virtual void refresh() = 0;
 void MONERO_Coins_refresh(void* coins_ptr) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->refresh();
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void setFrozen(std::string public_key) = 0;
 void MONERO_Coins_setFrozenByPublicKey(void* coins_ptr, const char* public_key) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->setFrozen(std::string(public_key));
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void setFrozen(int index) = 0;
 void MONERO_Coins_setFrozen(void* coins_ptr, int index) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->setFrozen(index);
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void thaw(int index) = 0;
 void MONERO_Coins_thaw(void* coins_ptr, int index) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->thaw(index);
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void thaw(std::string public_key) = 0;
 void MONERO_Coins_thawByPublicKey(void* coins_ptr, const char* public_key) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->thaw(std::string(public_key));
+    WRAPPER_CATCH_VOID()
 }
 //     virtual bool isTransferUnlocked(uint64_t unlockTime, uint64_t blockHeight) = 0;
 bool MONERO_Coins_isTransferUnlocked(void* coins_ptr, uint64_t unlockTime, uint64_t blockHeight) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
     return coins->isTransferUnlocked(unlockTime, blockHeight);
+    WRAPPER_CATCH(false)
 }
 //    virtual void setDescription(const std::string &public_key, const std::string &description) = 0;
 void MONERO_Coins_setDescription(void* coins_ptr, const char* public_key, const char* description) {
+    WRAPPER_TRY()
     Monero::Coins *coins = reinterpret_cast<Monero::Coins*>(coins_ptr);
-    coins->setDescription(std::string(public_key), std::string(description));
+    return coins->setDescription(std::string(public_key), std::string(description));
+    WRAPPER_CATCH_VOID()
 }
 
 // SubaddressRow
 
 //     std::string extra;
 const char* MONERO_SubaddressRow_extra(void* subaddressRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressRow *subaddressRow = reinterpret_cast<Monero::SubaddressRow*>(subaddressRow_ptr);
     std::string str = subaddressRow->extra;
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getAddress() const {return m_address;}
 const char* MONERO_SubaddressRow_getAddress(void* subaddressRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressRow *subaddressRow = reinterpret_cast<Monero::SubaddressRow*>(subaddressRow_ptr);
     std::string str = subaddressRow->getAddress();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getLabel() const {return m_label;}
 const char* MONERO_SubaddressRow_getLabel(void* subaddressRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressRow *subaddressRow = reinterpret_cast<Monero::SubaddressRow*>(subaddressRow_ptr);
     std::string str = subaddressRow->getLabel();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::size_t getRowId() const {return m_rowId;}
 size_t MONERO_SubaddressRow_getRowId(void* subaddressRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressRow *subaddressRow = reinterpret_cast<Monero::SubaddressRow*>(subaddressRow_ptr);
     return subaddressRow->getRowId();
+    WRAPPER_CATCH(0)
 }
 
 // Subaddress
 
 int MONERO_Subaddress_getAll_size(void* subaddress_ptr) {
+    WRAPPER_TRY()
     Monero::Subaddress *subaddress = reinterpret_cast<Monero::Subaddress*>(subaddress_ptr);
     return subaddress->getAll().size();
+    WRAPPER_CATCH(0)
 }
 void* MONERO_Subaddress_getAll_byIndex(void* subaddress_ptr, int index) {
     Monero::Subaddress *subaddress = reinterpret_cast<Monero::Subaddress*>(subaddress_ptr);
@@ -669,71 +865,89 @@ void* MONERO_Subaddress_getAll_byIndex(void* subaddress_ptr, int index) {
 }
 //     virtual void addRow(uint32_t accountIndex, const std::string &label) = 0;
 void MONERO_Subaddress_addRow(void* subaddress_ptr, uint32_t accountIndex, const char* label) {
+    WRAPPER_TRY()
     Monero::Subaddress *subaddress = reinterpret_cast<Monero::Subaddress*>(subaddress_ptr);
     return subaddress->addRow(accountIndex, std::string(label));
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void setLabel(uint32_t accountIndex, uint32_t addressIndex, const std::string &label) = 0;
 void MONERO_Subaddress_setLabel(void* subaddress_ptr, uint32_t accountIndex, uint32_t addressIndex, const char* label) {
+    WRAPPER_TRY()
     Monero::Subaddress *subaddress = reinterpret_cast<Monero::Subaddress*>(subaddress_ptr);
     return subaddress->setLabel(accountIndex, addressIndex, std::string(label));
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void refresh(uint32_t accountIndex) = 0;
 void MONERO_Subaddress_refresh(void* subaddress_ptr, uint32_t accountIndex) {
+    WRAPPER_TRY()
     Monero::Subaddress *subaddress = reinterpret_cast<Monero::Subaddress*>(subaddress_ptr);
     return subaddress->refresh(accountIndex);
+    WRAPPER_CATCH_VOID()
 }
 
 // SubaddressAccountRow
 
 //     std::string extra;
 const char* MONERO_SubaddressAccountRow_extra(void* subaddressAccountRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccountRow *subaddressAccountRow = reinterpret_cast<Monero::SubaddressAccountRow*>(subaddressAccountRow_ptr);
     std::string str = subaddressAccountRow->extra;
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getAddress() const {return m_address;}
 const char* MONERO_SubaddressAccountRow_getAddress(void* subaddressAccountRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccountRow *subaddressAccountRow = reinterpret_cast<Monero::SubaddressAccountRow*>(subaddressAccountRow_ptr);
     std::string str = subaddressAccountRow->getAddress();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getLabel() const {return m_label;}
 const char* MONERO_SubaddressAccountRow_getLabel(void* subaddressAccountRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccountRow *subaddressAccountRow = reinterpret_cast<Monero::SubaddressAccountRow*>(subaddressAccountRow_ptr);
     std::string str = subaddressAccountRow->getLabel();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getBalance() const {return m_balance;}
 const char* MONERO_SubaddressAccountRow_getBalance(void* subaddressAccountRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccountRow *subaddressAccountRow = reinterpret_cast<Monero::SubaddressAccountRow*>(subaddressAccountRow_ptr);
     std::string str = subaddressAccountRow->getBalance();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::string getUnlockedBalance() const {return m_unlockedBalance;}
 const char* MONERO_SubaddressAccountRow_getUnlockedBalance(void* subaddressAccountRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccountRow *subaddressAccountRow = reinterpret_cast<Monero::SubaddressAccountRow*>(subaddressAccountRow_ptr);
     std::string str = subaddressAccountRow->getUnlockedBalance();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     std::size_t getRowId() const {return m_rowId;}
 size_t MONERO_SubaddressAccountRow_getRowId(void* subaddressAccountRow_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccountRow *subaddressAccountRow = reinterpret_cast<Monero::SubaddressAccountRow*>(subaddressAccountRow_ptr);
     return subaddressAccountRow->getRowId();
+    WRAPPER_CATCH(0)
 }
 
 // struct SubaddressAccount
@@ -741,8 +955,10 @@ size_t MONERO_SubaddressAccountRow_getRowId(void* subaddressAccountRow_ptr) {
 //     virtual ~SubaddressAccount() = 0;
 //     virtual std::vector<SubaddressAccountRow*> getAll() const = 0;
 int MONERO_SubaddressAccount_getAll_size(void* subaddressAccount_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccount *subaddress = reinterpret_cast<Monero::SubaddressAccount*>(subaddressAccount_ptr);
     return subaddress->getAll().size();
+    WRAPPER_CATCH(0)
 }
 void* MONERO_SubaddressAccount_getAll_byIndex(void* subaddressAccount_ptr, int index) {
     Monero::SubaddressAccount *subaddress = reinterpret_cast<Monero::SubaddressAccount*>(subaddressAccount_ptr);
@@ -750,41 +966,55 @@ void* MONERO_SubaddressAccount_getAll_byIndex(void* subaddressAccount_ptr, int i
 }
 //     virtual void addRow(const std::string &label) = 0;
 void MONERO_SubaddressAccount_addRow(void* subaddressAccount_ptr, const char* label) {
+    WRAPPER_TRY()
     Monero::SubaddressAccount *subaddress = reinterpret_cast<Monero::SubaddressAccount*>(subaddressAccount_ptr);
     return subaddress->addRow(std::string(label));
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void setLabel(uint32_t accountIndex, const std::string &label) = 0;
 void MONERO_SubaddressAccount_setLabel(void* subaddressAccount_ptr, uint32_t accountIndex, const char* label) {
+    WRAPPER_TRY()
     Monero::SubaddressAccount *subaddress = reinterpret_cast<Monero::SubaddressAccount*>(subaddressAccount_ptr);
     return subaddress->setLabel(accountIndex, std::string(label));
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void refresh() = 0;
 void MONERO_SubaddressAccount_refresh(void* subaddressAccount_ptr) {
+    WRAPPER_TRY()
     Monero::SubaddressAccount *subaddress = reinterpret_cast<Monero::SubaddressAccount*>(subaddressAccount_ptr);
     return subaddress->refresh();
+    WRAPPER_CATCH_VOID()
 }
 
 // MultisigState
 
 //     bool isMultisig;
 bool MONERO_MultisigState_isMultisig(void* multisigState_ptr) {
+    WRAPPER_TRY()
     Monero::MultisigState *multisigState = reinterpret_cast<Monero::MultisigState*>(multisigState_ptr);
     return multisigState->isMultisig;
+    WRAPPER_CATCH(false)
 }
 //     bool isReady;
 bool MONERO_MultisigState_isReady(void* multisigState_ptr) {
+    WRAPPER_TRY()
     Monero::MultisigState *multisigState = reinterpret_cast<Monero::MultisigState*>(multisigState_ptr);
     return multisigState->isReady;
+    WRAPPER_CATCH(false)
 }
 //     uint32_t threshold;
 uint32_t MONERO_MultisigState_threshold(void* multisigState_ptr) {
+    WRAPPER_TRY()
     Monero::MultisigState *multisigState = reinterpret_cast<Monero::MultisigState*>(multisigState_ptr);
     return multisigState->threshold;
+    WRAPPER_CATCH(0)
 }
 //     uint32_t total;
 uint32_t MONERO_MultisigState_total(void* multisigState_ptr) {
+    WRAPPER_TRY()
     Monero::MultisigState *multisigState = reinterpret_cast<Monero::MultisigState*>(multisigState_ptr);
     return multisigState->total;
+    WRAPPER_CATCH(0)
 }
 
 // DeviceProgress
@@ -792,364 +1022,468 @@ uint32_t MONERO_MultisigState_total(void* multisigState_ptr) {
 
 //     virtual double progress() const { return m_progress; }
 bool MONERO_DeviceProgress_progress(void* deviceProgress_ptr) {
+    WRAPPER_TRY()
     Monero::DeviceProgress *deviceProgress = reinterpret_cast<Monero::DeviceProgress*>(deviceProgress_ptr);
     return deviceProgress->progress();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool indeterminate() const { return m_indeterminate; }
 bool MONERO_DeviceProgress_indeterminate(void* deviceProgress_ptr) {
+    WRAPPER_TRY()
     Monero::DeviceProgress *deviceProgress = reinterpret_cast<Monero::DeviceProgress*>(deviceProgress_ptr);
     return deviceProgress->indeterminate();
+    WRAPPER_CATCH(false)
 }
 
 // Wallet
 
 const char* MONERO_Wallet_seed(void* wallet_ptr, const char* seed_offset) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->seed(std::string(seed_offset));
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_getSeedLanguage(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->getSeedLanguage();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 void MONERO_Wallet_setSeedLanguage(void* wallet_ptr, const char* arg) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setSeedLanguage(std::string(arg));
+    WRAPPER_CATCH_VOID()
 }
 
 int MONERO_Wallet_status(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->status();
+    WRAPPER_CATCH(0)
 }
 
 const char* MONERO_Wallet_errorString(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->errorString();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 
 bool MONERO_Wallet_setPassword(void* wallet_ptr, const char* password) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setPassword(std::string(password));
+    WRAPPER_CATCH(false)
 }
 
 const char* MONERO_Wallet_getPassword(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->getPassword();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 bool MONERO_Wallet_setDevicePin(void* wallet_ptr, const char* pin) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setDevicePin(std::string(pin));
+    WRAPPER_CATCH(false)
 }
 
 bool MONERO_Wallet_setDevicePassphrase(void* wallet_ptr, const char* passphrase) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setDevicePassphrase(std::string(passphrase));
+    WRAPPER_CATCH(false)
 }
 
 const char* MONERO_Wallet_address(void* wallet_ptr, uint64_t accountIndex, uint64_t addressIndex) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->address(accountIndex, addressIndex);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_path(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->path();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 int MONERO_Wallet_nettype(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->nettype();
+    WRAPPER_CATCH(0)
 }
 uint8_t MONERO_Wallet_useForkRules(void* wallet_ptr, uint8_t version, int64_t early_blocks) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->useForkRules(version, early_blocks);
+    WRAPPER_CATCH(0)
 }
 const char* MONERO_Wallet_integratedAddress(void* wallet_ptr, const char* payment_id) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->integratedAddress(std::string(payment_id));
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_secretViewKey(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->secretViewKey();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_publicViewKey(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->publicViewKey();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_secretSpendKey(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->secretSpendKey();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_publicSpendKey(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->publicSpendKey();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_Wallet_publicMultisigSignerKey(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->publicMultisigSignerKey();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 void MONERO_Wallet_stop(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
-    wallet->stop();
+    return wallet->stop();
+    WRAPPER_CATCH_VOID()
 }
 
 bool MONERO_Wallet_store(void* wallet_ptr, const char* path) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->store(std::string(path));
+    WRAPPER_CATCH(false)
 }
 const char* MONERO_Wallet_filename(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->filename();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 const char* MONERO_Wallet_keysFilename(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->keysFilename();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 //     virtual bool init(const std::string &daemon_address, uint64_t upper_transaction_size_limit = 0, const std::string &daemon_username = "", const std::string &daemon_password = "", bool use_ssl = false, bool lightWallet = false, const std::string &proxy_address = "") = 0;
 bool MONERO_Wallet_init(void* wallet_ptr, const char* daemon_address, uint64_t upper_transaction_size_limit, const char* daemon_username, const char* daemon_password, bool use_ssl, bool lightWallet, const char* proxy_address) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->init(std::string(daemon_address), upper_transaction_size_limit, std::string(daemon_username), std::string(daemon_password), use_ssl, lightWallet, std::string(proxy_address));
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_createWatchOnly(void* wallet_ptr, const char* path, const char* password, const char* language) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->createWatchOnly(std::string(path), std::string(password), std::string(language));
+    WRAPPER_CATCH(false)
 }
 
 void MONERO_Wallet_setRefreshFromBlockHeight(void* wallet_ptr, uint64_t refresh_from_block_height) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setRefreshFromBlockHeight(refresh_from_block_height);
+    WRAPPER_CATCH_VOID()
 }
 
 uint64_t MONERO_Wallet_getRefreshFromBlockHeight(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getRefreshFromBlockHeight();
+    WRAPPER_CATCH(0)
 }
 
 void MONERO_Wallet_setRecoveringFromSeed(void* wallet_ptr, bool recoveringFromSeed) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setRecoveringFromSeed(recoveringFromSeed);
+    WRAPPER_CATCH_VOID()
 }
 void MONERO_Wallet_setRecoveringFromDevice(void* wallet_ptr, bool recoveringFromDevice) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setRecoveringFromDevice(recoveringFromDevice);
+    WRAPPER_CATCH_VOID()
 }
 void MONERO_Wallet_setSubaddressLookahead(void* wallet_ptr, uint32_t major, uint32_t minor) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setSubaddressLookahead(major, minor);
+    WRAPPER_CATCH_VOID()
 }
 
 bool MONERO_Wallet_connectToDaemon(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->connectToDaemon();
+    WRAPPER_CATCH(false)
 }
 int MONERO_Wallet_connected(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->connected();
+    WRAPPER_CATCH(0)
 }
 void MONERO_Wallet_setTrustedDaemon(void* wallet_ptr, bool arg) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setTrustedDaemon(arg);
+    WRAPPER_CATCH_VOID()
 }
 bool MONERO_Wallet_trustedDaemon(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->trustedDaemon();
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_setProxy(void* wallet_ptr, const char* address) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setProxy(std::string(address));
+    WRAPPER_CATCH(false)
 }
 
 uint64_t MONERO_Wallet_balance(void* wallet_ptr, uint32_t accountIndex) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->balance(accountIndex);
+    WRAPPER_CATCH(0)
 }
 
 uint64_t MONERO_Wallet_unlockedBalance(void* wallet_ptr, uint32_t accountIndex) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->unlockedBalance(accountIndex);
+    WRAPPER_CATCH(0)
 }
 
 uint64_t MONERO_Wallet_viewOnlyBalance(void* wallet_ptr, uint32_t accountIndex) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->viewOnlyBalance(accountIndex);
+    WRAPPER_CATCH(0)
 }
 
 // TODO
 bool MONERO_Wallet_watchOnly(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->watchOnly();
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_isDeterministic(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->isDeterministic();
+    WRAPPER_CATCH(false)
 }
 uint64_t MONERO_Wallet_blockChainHeight(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->blockChainHeight();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_Wallet_approximateBlockChainHeight(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->approximateBlockChainHeight();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_Wallet_estimateBlockChainHeight(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->estimateBlockChainHeight();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_Wallet_daemonBlockChainHeight(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->daemonBlockChainHeight();
-}
-
-uint64_t daemonBlockChainHeight_cached = 0;
-
-uint64_t MONERO_Wallet_daemonBlockChainHeight_cached(void* wallet_ptr) {
-    return daemonBlockChainHeight_cached;
-}
-
-void MONERO_Wallet_daemonBlockChainHeight_runThread(void* wallet_ptr, int seconds) {
-    std::cout << "DEPRECATED: this was used as an experiment, and will be removed in newer release. use ${COIN}_cw_* listener functions instead." << std::endl;
-    while (true) {
-        Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
-        daemonBlockChainHeight_cached = wallet->daemonBlockChainHeight();
-        sleep(seconds);
-        std::cout << "MONERO: TICK: MONERO_Wallet_daemonBlockChainHeight_runThread(" << seconds << "): " << daemonBlockChainHeight_cached << std::endl;
-    }
+    WRAPPER_CATCH(0)
 }
 
 uint64_t MONERO_Wallet_daemonBlockChainTargetHeight(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->daemonBlockChainTargetHeight();
+    WRAPPER_CATCH(0)
 }
 bool MONERO_Wallet_synchronized(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->synchronized();
+    WRAPPER_CATCH(false)
 }
 
 const char* MONERO_Wallet_displayAmount(uint64_t amount) {
+    WRAPPER_TRY()
     std::string str = Monero::Wallet::displayAmount(amount);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 //     static uint64_t amountFromString(const std::string &amount);
 uint64_t MONERO_Wallet_amountFromString(const char* amount) {
+    WRAPPER_TRY()
     return Monero::Wallet::amountFromString(amount);
+    WRAPPER_CATCH(0)
 }
 //     static uint64_t amountFromDouble(double amount);
 uint64_t MONERO_Wallet_amountFromDouble(double amount) {
+    WRAPPER_TRY()
     return Monero::Wallet::amountFromDouble(amount);
+    WRAPPER_CATCH(0)
 }
 //     static std::string genPaymentId();
 const char* MONERO_Wallet_genPaymentId() {
+    WRAPPER_TRY()
     std::string str = Monero::Wallet::genPaymentId();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     static bool paymentIdValid(const std::string &paiment_id);
 bool MONERO_Wallet_paymentIdValid(const char* paiment_id) {
+    WRAPPER_TRY()
     return Monero::Wallet::paymentIdValid(std::string(paiment_id));
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_addressValid(const char* str, int nettype) {
+    WRAPPER_TRY()
     // Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return Monero::Wallet::addressValid(std::string(str), nettype);
+    WRAPPER_CATCH(false)
 }
 
 bool MONERO_Wallet_keyValid(const char* secret_key_string, const char* address_string, bool isViewKey, int nettype) {
+    WRAPPER_TRY()
     std::string error;
     return Monero::Wallet::keyValid(std::string(secret_key_string), std::string(address_string), isViewKey, nettype, error);
+    WRAPPER_CATCH(false)
 }
 const char* MONERO_Wallet_keyValid_error(const char* secret_key_string, const char* address_string, bool isViewKey, int nettype)  {
+    WRAPPER_TRY()
     std::string str;
     Monero::Wallet::keyValid(std::string(secret_key_string), std::string(address_string), isViewKey, nettype, str);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
+
 }
 const char* MONERO_Wallet_paymentIdFromAddress(const char* strarg, int nettype) {
+    WRAPPER_TRY()
     std::string str = Monero::Wallet::paymentIdFromAddress(std::string(strarg), nettype);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 uint64_t MONERO_Wallet_maximumAllowedAmount() {
+    WRAPPER_TRY()
     return Monero::Wallet::maximumAllowedAmount();
+    WRAPPER_CATCH(0)
 }
 
 void MONERO_Wallet_init3(void* wallet_ptr, const char* argv0, const char* default_log_base_name, const char* log_path, bool console) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->init(argv0, default_log_base_name, log_path, console);
+    WRAPPER_CATCH_VOID()
 }
 const char* MONERO_Wallet_getPolyseed(void* wallet_ptr, const char* passphrase) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string seed = "";
     std::string _passphrase = std::string(passphrase);
@@ -1159,9 +1493,11 @@ const char* MONERO_Wallet_getPolyseed(void* wallet_ptr, const char* passphrase)
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     static bool createPolyseed(std::string &seed_words, std::string &err, const std::string &language = "English");
 const char* MONERO_Wallet_createPolyseed(const char* language) {
+    WRAPPER_TRY()
     std::string seed_words = "";
     std::string err;
     Monero::Wallet::createPolyseed(seed_words, err, std::string(language));
@@ -1172,68 +1508,97 @@ const char* MONERO_Wallet_createPolyseed(const char* language) {
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 void MONERO_Wallet_startRefresh(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->startRefresh();
+    WRAPPER_CATCH_VOID()
 }
 void MONERO_Wallet_pauseRefresh(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->pauseRefresh();
+    WRAPPER_CATCH_VOID()
 }
 bool MONERO_Wallet_refresh(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->refresh();
+    WRAPPER_CATCH(false)
 }
 void MONERO_Wallet_refreshAsync(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->refreshAsync();
+    WRAPPER_CATCH_VOID()
 }
 bool MONERO_Wallet_rescanBlockchain(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->rescanBlockchain();
+    WRAPPER_CATCH(false)
 }
 void MONERO_Wallet_rescanBlockchainAsync(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->rescanBlockchainAsync();
+    WRAPPER_CATCH_VOID()
 }
 void MONERO_Wallet_setAutoRefreshInterval(void* wallet_ptr, int millis) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setAutoRefreshInterval(millis);
+    WRAPPER_CATCH_VOID()
 }
 int MONERO_Wallet_autoRefreshInterval(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->autoRefreshInterval();
+    WRAPPER_CATCH(0)
 }
 void MONERO_Wallet_addSubaddressAccount(void* wallet_ptr, const char* label) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->addSubaddressAccount(std::string(label));
+    WRAPPER_CATCH_VOID()
 }
 size_t MONERO_Wallet_numSubaddressAccounts(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->numSubaddressAccounts();
+    WRAPPER_CATCH(0)
 }
 size_t MONERO_Wallet_numSubaddresses(void* wallet_ptr, uint32_t accountIndex) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->numSubaddresses(accountIndex);
+    WRAPPER_CATCH(0)
 }
 void MONERO_Wallet_addSubaddress(void* wallet_ptr, uint32_t accountIndex, const char* label) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->addSubaddress(accountIndex, std::string(label));
+    WRAPPER_CATCH_VOID()
 }
 const char* MONERO_Wallet_getSubaddressLabel(void* wallet_ptr, uint32_t accountIndex, uint32_t addressIndex) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->getSubaddressLabel(accountIndex, addressIndex);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 void MONERO_Wallet_setSubaddressLabel(void* wallet_ptr, uint32_t accountIndex, uint32_t addressIndex, const char* label) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setSubaddressLabel(accountIndex, addressIndex, std::string(label));
+    WRAPPER_CATCH_VOID()
 }
 
 void* MONERO_Wallet_multisig(void* wallet_ptr) {
@@ -1243,33 +1608,40 @@ void* MONERO_Wallet_multisig(void* wallet_ptr) {
 }
 
 const char* MONERO_Wallet_getMultisigInfo(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->getMultisigInfo();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_makeMultisig(void* wallet_ptr, const char* info, const char* info_separator, uint32_t threshold) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->makeMultisig(splitStringVector(std::string(info), std::string(info_separator)), threshold);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_exchangeMultisigKeys(void* wallet_ptr, const char* info, const char* info_separator, bool force_update_use_with_caution) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->exchangeMultisigKeys(splitStringVector(std::string(info), std::string(info_separator)), force_update_use_with_caution);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_exportMultisigImages(void* wallet_ptr, const char* separator) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str; 
     wallet->exportMultisigImages(str);
@@ -1277,16 +1649,21 @@ const char* MONERO_Wallet_exportMultisigImages(void* wallet_ptr, const char* sep
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 size_t MONERO_Wallet_importMultisigImages(void* wallet_ptr, const char* info, const char* info_separator) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->importMultisigImages(splitStringVector(std::string(info), std::string(info_separator)));
+    WRAPPER_CATCH(0)
 }
 
 size_t MONERO_Wallet_hasMultisigPartialKeyImages(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->hasMultisigPartialKeyImages();
+    WRAPPER_CATCH(0)
 }
 
 void* MONERO_Wallet_restoreMultisigTransaction(void* wallet_ptr, const char* signData) {
@@ -1358,87 +1735,121 @@ void* MONERO_Wallet_loadUnsignedTxUR(void* wallet_ptr, const char* input) {
     return wallet->loadUnsignedTxUR(std::string(input));
 }
 bool MONERO_Wallet_submitTransaction(void* wallet_ptr, const char* fileName) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->submitTransaction(std::string(fileName));
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_submitTransactionUR(void* wallet_ptr, const char* input) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->submitTransactionUR(std::string(input));
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_hasUnknownKeyImages(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->hasUnknownKeyImages();
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_exportKeyImages(void* wallet_ptr, const char* filename, bool all) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->exportKeyImages(std::string(filename), all);
+    WRAPPER_CATCH(false)
 }
 
 const char* MONERO_Wallet_exportKeyImagesUR(void* wallet_ptr, size_t max_fragment_length, bool all) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->exportKeyImagesUR(max_fragment_length, all);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 bool MONERO_Wallet_importKeyImages(void* wallet_ptr, const char* filename) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->importKeyImages(std::string(filename));
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_importKeyImagesUR(void* wallet_ptr, const char* input) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->importKeyImagesUR(std::string(input));
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_exportOutputs(void* wallet_ptr, const char* filename, bool all) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->exportOutputs(std::string(filename), all);
+    WRAPPER_CATCH(false)
 }
 const char* MONERO_Wallet_exportOutputsUR(void* wallet_ptr, size_t max_fragment_length, bool all) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->exportOutputsUR(max_fragment_length, all);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 bool MONERO_Wallet_importOutputs(void* wallet_ptr, const char* filename) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->importOutputs(std::string(filename));
+    WRAPPER_CATCH(false)
 }
 bool MONERO_Wallet_importOutputsUR(void* wallet_ptr, const char* input) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->importOutputsUR(std::string(input));
+    WRAPPER_CATCH(false)
 }
 //     virtual bool setupBackgroundSync(const BackgroundSyncType background_sync_type, const std::string &wallet_password, const optional<std::string> &background_cache_password) = 0;
 bool MONERO_Wallet_setupBackgroundSync(void* wallet_ptr, int background_sync_type, const char* wallet_password, const char* background_cache_password) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setupBackgroundSync(Monero::Wallet::BackgroundSyncType::BackgroundSync_CustomPassword, std::string(wallet_password), std::string(background_cache_password));
+    WRAPPER_CATCH(false)
 }
 //     virtual BackgroundSyncType getBackgroundSyncType() const = 0;
 int MONERO_Wallet_getBackgroundSyncType(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getBackgroundSyncType();
+    WRAPPER_CATCH(0)
 }
 //     virtual bool startBackgroundSync() = 0;
 bool MONERO_Wallet_startBackgroundSync(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->startBackgroundSync();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool stopBackgroundSync(const std::string &wallet_password) = 0;
 bool MONERO_Wallet_stopBackgroundSync(void* wallet_ptr, const char* wallet_password) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->stopBackgroundSync(std::string(wallet_password));
+    WRAPPER_CATCH(false)
 }
 //     virtual bool isBackgroundSyncing() const = 0;
 bool MONERO_Wallet_isBackgroundSyncing(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->hasUnknownKeyImages();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool isBackgroundWallet() const = 0;
 bool MONERO_Wallet_isBackgroundWallet(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->isBackgroundWallet();
+    WRAPPER_CATCH(false)
 }
 void* MONERO_Wallet_history(void* wallet_ptr) {
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
@@ -1465,125 +1876,166 @@ void* MONERO_Wallet_subaddressAccount(void* wallet_ptr) {
 }
 //     virtual uint32_t defaultMixin() const = 0;
 uint32_t MONERO_Wallet_defaultMixin(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->defaultMixin();
+    WRAPPER_CATCH(0)
 }
 //     virtual void setDefaultMixin(uint32_t arg) = 0;
 void MONERO_Wallet_setDefaultMixin(void* wallet_ptr, uint32_t arg) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setDefaultMixin(arg);
+    WRAPPER_CATCH_VOID()
 }
 //     virtual bool setCacheAttribute(const std::string &key, const std::string &val) = 0;
 bool MONERO_Wallet_setCacheAttribute(void* wallet_ptr, const char* key, const char* val) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setCacheAttribute(std::string(key), std::string(val));
+    WRAPPER_CATCH(false)
 }
 //     virtual std::string getCacheAttribute(const std::string &key) const = 0;
 const char* MONERO_Wallet_getCacheAttribute(void* wallet_ptr, const char* key) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->getCacheAttribute(std::string(key));
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual bool setUserNote(const std::string &txid, const std::string &note) = 0;
 bool MONERO_Wallet_setUserNote(void* wallet_ptr, const char* txid, const char* note) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setUserNote(std::string(txid), std::string(note));
+    WRAPPER_CATCH(false)
 }
 //     virtual std::string getUserNote(const std::string &txid) const = 0;
 const char* MONERO_Wallet_getUserNote(void* wallet_ptr, const char* txid) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->getUserNote(std::string(txid));
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_getTxKey(void* wallet_ptr, const char* txid) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->getTxKey(std::string(txid));
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 const char* MONERO_Wallet_signMessage(void* wallet_ptr, const char* message, const char* address) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = wallet->signMessage(std::string(message), std::string(address));
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 bool MONERO_Wallet_verifySignedMessage(void* wallet_ptr, const char* message, const char* address, const char* signature) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     bool v = wallet->verifySignedMessage(std::string(message), std::string(address), std::string(signature));
     return v;
+    WRAPPER_CATCH(false)
 }
 
 bool MONERO_Wallet_rescanSpent(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->rescanSpent();
+    WRAPPER_CATCH(false)
 }
 
 void MONERO_Wallet_setOffline(void* wallet_ptr, bool offline) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setOffline(offline);
+    WRAPPER_CATCH_VOID()
 }
 //     virtual bool isOffline() const = 0;
 bool MONERO_Wallet_isOffline(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->isOffline();
+    WRAPPER_CATCH(false)
 }
 
 void MONERO_Wallet_segregatePreForkOutputs(void* wallet_ptr, bool segregate) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->segregatePreForkOutputs(segregate);
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void segregationHeight(uint64_t height) = 0;
 void MONERO_Wallet_segregationHeight(void* wallet_ptr, uint64_t height) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->segregationHeight(height);
+    WRAPPER_CATCH_VOID()
 }
 //     virtual void keyReuseMitigation2(bool mitigation) = 0;
 void MONERO_Wallet_keyReuseMitigation2(void* wallet_ptr, bool mitigation) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->keyReuseMitigation2(mitigation);
+    WRAPPER_CATCH_VOID()
 }
 //     virtual bool lightWalletLogin(bool &isNewWallet) const = 0;
 //     virtual bool lightWalletImportWalletRequest(std::string &payment_id, uint64_t &fee, bool &new_request, bool &request_fulfilled, std::string &payment_address, std::string &status) = 0;
 //     virtual bool lockKeysFile() = 0;
 bool MONERO_Wallet_lockKeysFile(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->lockKeysFile();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool unlockKeysFile() = 0;
 bool MONERO_Wallet_unlockKeysFile(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->unlockKeysFile();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool isKeysFileLocked() = 0;
 bool MONERO_Wallet_isKeysFileLocked(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->isKeysFileLocked();
+    WRAPPER_CATCH(false)
 }
 //     virtual Device getDeviceType() const = 0;
 int MONERO_Wallet_getDeviceType(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getDeviceType();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint64_t coldKeyImageSync(uint64_t &spent, uint64_t &unspent) = 0;
 uint64_t MONERO_Wallet_coldKeyImageSync(void* wallet_ptr, uint64_t spent, uint64_t unspent) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->coldKeyImageSync(spent, unspent);
+    WRAPPER_CATCH(0)
 }
 //     virtual void deviceShowAddress(uint32_t accountIndex, uint32_t addressIndex, const std::string &paymentId) = 0;
 const char* MONERO_Wallet_deviceShowAddress(void* wallet_ptr, uint32_t accountIndex, uint32_t addressIndex) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     std::string str = "";
     wallet->deviceShowAddress(accountIndex, addressIndex, str);
@@ -1591,25 +2043,34 @@ const char* MONERO_Wallet_deviceShowAddress(void* wallet_ptr, uint32_t accountIn
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 //     virtual bool reconnectDevice() = 0;
 bool MONERO_Wallet_reconnectDevice(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->reconnectDevice();
+    WRAPPER_CATCH(false)
 };
 
 uint64_t MONERO_Wallet_getBytesReceived(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getBytesReceived();
+    WRAPPER_CATCH(0)
 }
 uint64_t MONERO_Wallet_getBytesSent(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getBytesSent();
+    WRAPPER_CATCH(0)
 }
 
 bool MONERO_Wallet_getStateIsConnected(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getStateIsConnected();
+    WRAPPER_CATCH(false)
 }
 
 unsigned char* MONERO_Wallet_getSendToDevice(void* wallet_ptr) {
@@ -1618,8 +2079,10 @@ unsigned char* MONERO_Wallet_getSendToDevice(void* wallet_ptr) {
 }
 
 size_t MONERO_Wallet_getSendToDeviceLength(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getSendToDeviceLength();
+    WRAPPER_CATCH(0)
 }
 
 unsigned char* MONERO_Wallet_getReceivedFromDevice(void* wallet_ptr) {
@@ -1628,28 +2091,38 @@ unsigned char* MONERO_Wallet_getReceivedFromDevice(void* wallet_ptr) {
 }
 
 size_t MONERO_Wallet_getReceivedFromDeviceLength(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getReceivedFromDeviceLength();
+    WRAPPER_CATCH(0)
 }
 
 bool MONERO_Wallet_getWaitsForDeviceSend(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getWaitsForDeviceSend();
+    WRAPPER_CATCH(false)
 }
 
 bool MONERO_Wallet_getWaitsForDeviceReceive(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->getWaitsForDeviceReceive();
+    WRAPPER_CATCH(false)
 }
 
 void MONERO_Wallet_setDeviceReceivedData(void* wallet_ptr, unsigned char* data, size_t len) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setDeviceReceivedData(data, len);
+    WRAPPER_CATCH_VOID()
 }
 
 void MONERO_Wallet_setDeviceSendData(void* wallet_ptr, unsigned char* data, size_t len) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wallet->setDeviceSendData(data, len);
+    WRAPPER_CATCH_VOID()
 }
 
 void* MONERO_WalletManager_createWallet(void* wm_ptr, const char* path, const char* password, const char* language, int networkType) {
@@ -1752,106 +2225,140 @@ void* MONERO_WalletManager_createWalletFromPolyseed(void* wm_ptr, const char* pa
 
 
 bool MONERO_WalletManager_closeWallet(void* wm_ptr, void* wallet_ptr, bool store) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return wm->closeWallet(wallet, store);
+    WRAPPER_CATCH(false)
 }
 
 bool MONERO_WalletManager_walletExists(void* wm_ptr, const char* path) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->walletExists(std::string(path));
+    WRAPPER_CATCH(false)
 }
 
 //     virtual bool verifyWalletPassword(const std::string &keys_file_name, const std::string &password, bool no_spend_key, uint64_t kdf_rounds = 1) const = 0;
 bool MONERO_WalletManager_verifyWalletPassword(void* wm_ptr, const char* keys_file_name, const char* password, bool no_spend_key, uint64_t kdf_rounds) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->verifyWalletPassword(std::string(keys_file_name), std::string(password), no_spend_key, kdf_rounds);
+    WRAPPER_CATCH(false)
 }
 
 //     virtual bool queryWalletDevice(Wallet::Device& device_type, const std::string &keys_file_name, const std::string &password, uint64_t kdf_rounds = 1) const = 0;
 int MONERO_WalletManager_queryWalletDevice(void* wm_ptr, const char* keys_file_name, const char* password, uint64_t kdf_rounds) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     Monero::Wallet::Device device_type;
     wm->queryWalletDevice(device_type, std::string(keys_file_name), std::string(password), kdf_rounds);
     return device_type;
+    WRAPPER_CATCH(0)
 }
 
 //     virtual std::vector<std::string> findWallets(const std::string &path) = 0;
 const char* MONERO_WalletManager_findWallets(void* wm_ptr, const char* path, const char* separator) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return vectorToString(wm->findWallets(std::string(path)), std::string(separator));
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 
 const char* MONERO_WalletManager_errorString(void* wm_ptr) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     std::string str = wm->errorString();
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 void MONERO_WalletManager_setDaemonAddress(void* wm_ptr, const char* address) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->setDaemonAddress(std::string(address));
+    WRAPPER_CATCH_VOID()
 }
 
 bool MONERO_WalletManager_setProxy(void* wm_ptr, const char* address) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->setProxy(std::string(address));
+    WRAPPER_CATCH(false)
 }
 
 
 //     virtual bool connected(uint32_t *version = NULL) = 0;
 //     virtual uint64_t blockchainHeight() = 0;
 uint64_t MONERO_WalletManager_blockchainHeight(void* wm_ptr) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->blockchainHeight();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint64_t blockchainTargetHeight() = 0;
 uint64_t MONERO_WalletManager_blockchainTargetHeight(void* wm_ptr) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->blockchainTargetHeight();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint64_t networkDifficulty() = 0;
 uint64_t MONERO_WalletManager_networkDifficulty(void* wm_ptr) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->networkDifficulty();
+    WRAPPER_CATCH(0)
 }
 //     virtual double miningHashRate() = 0;
 double MONERO_WalletManager_miningHashRate(void* wm_ptr) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->miningHashRate();
+    WRAPPER_CATCH(0)
 }
 //     virtual uint64_t blockTarget() = 0;
 uint64_t MONERO_WalletManager_blockTarget(void* wm_ptr) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->blockTarget();
+    WRAPPER_CATCH(0)
 }
 //     virtual bool isMining() = 0;
 bool MONERO_WalletManager_isMining(void* wm_ptr) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->isMining();
+    WRAPPER_CATCH(false)
 }
 //     virtual bool startMining(const std::string &address, uint32_t threads = 1, bool background_mining = false, bool ignore_battery = true) = 0;
 bool MONERO_WalletManager_startMining(void* wm_ptr, const char* address, uint32_t threads, bool backgroundMining, bool ignoreBattery) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->startMining(std::string(address), threads, backgroundMining, ignoreBattery);
+    WRAPPER_CATCH(false)
 }
 //     virtual bool stopMining() = 0;
 bool MONERO_WalletManager_stopMining(void* wm_ptr, const char* address) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     return wm->stopMining();
+    WRAPPER_CATCH(false)
 }
 //     virtual std::string resolveOpenAlias(const std::string &address, bool &dnssec_valid) const = 0;
 const char* MONERO_WalletManager_resolveOpenAlias(void* wm_ptr, const char* address, bool dnssec_valid) {
+    WRAPPER_TRY()
     Monero::WalletManager *wm = reinterpret_cast<Monero::WalletManager*>(wm_ptr);
     std::string str = wm->resolveOpenAlias(std::string(address), dnssec_valid);
     const std::string::size_type size = str.size();
     char *buffer = new char[size + 1];   //we need extra char for NUL
     memcpy(buffer, str.c_str(), size + 1);
     return buffer;
+    WRAPPER_CATCH_CONST_CHAR()
 }
 
 // WalletManagerFactory
@@ -1862,11 +2369,15 @@ void* MONERO_WalletManagerFactory_getWalletManager() {
 }
 
 void MONERO_WalletManagerFactory_setLogLevel(int level) {
-    Monero::WalletManagerFactory::setLogLevel(level);
+    WRAPPER_TRY()
+    return Monero::WalletManagerFactory::setLogLevel(level);
+    WRAPPER_CATCH_VOID()
 }
 
 void MONERO_WalletManagerFactory_setLogCategories(const char* categories) {
-    Monero::WalletManagerFactory::setLogCategories(std::string(categories));
+    WRAPPER_TRY()
+    return Monero::WalletManagerFactory::setLogCategories(std::string(categories));
+    WRAPPER_CATCH_VOID()
 }
 
 // DEBUG functions
@@ -1901,19 +2412,21 @@ void* MONERO_DEBUG_test4(uint64_t x) {
 }
 
 const char* MONERO_DEBUG_test5() {
-    const char *text  = "This is a const char* text"; 
+    const char *text = "This is a const char* text"; 
     return text;
 }
 
 const char* MONERO_DEBUG_test5_std() {
-    std::string text ("This is a std::string text");
+    std::string text("This is a std::string text");
     const char *text2 = "This is a text"; 
     return text2;
 }
 
 bool MONERO_DEBUG_isPointerNull(void* wallet_ptr) {
+    WRAPPER_TRY()
     Monero::Wallet *wallet = reinterpret_cast<Monero::Wallet*>(wallet_ptr);
     return (wallet != NULL);
+    WRAPPER_CATCH(true)
 }
 
 // cake wallet world
@@ -2000,28 +2513,38 @@ void* MONERO_cw_getWalletListener(void* wallet_ptr) {
 }
 
 void MONERO_cw_WalletListener_resetNeedToRefresh(void* cw_walletListener_ptr) {
+    WRAPPER_TRY()
     MONERO_cw_WalletListener *listener = reinterpret_cast<MONERO_cw_WalletListener*>(cw_walletListener_ptr);
     listener->cw_resetNeedToRefresh();
+    WRAPPER_CATCH_VOID()
 }
 
 bool MONERO_cw_WalletListener_isNeedToRefresh(void* cw_walletListener_ptr) {
+    WRAPPER_TRY()
     MONERO_cw_WalletListener *listener = reinterpret_cast<MONERO_cw_WalletListener*>(cw_walletListener_ptr);
     return listener->cw_isNeedToRefresh();
+    WRAPPER_CATCH(false)
 };
 
 bool MONERO_cw_WalletListener_isNewTransactionExist(void* cw_walletListener_ptr) {
+    WRAPPER_TRY()
     MONERO_cw_WalletListener *listener = reinterpret_cast<MONERO_cw_WalletListener*>(cw_walletListener_ptr);
     return listener->cw_isNeedToRefresh();
+    WRAPPER_CATCH(false)
 };
 
 void MONERO_cw_WalletListener_resetIsNewTransactionExist(void* cw_walletListener_ptr) {
+    WRAPPER_TRY()
     MONERO_cw_WalletListener *listener = reinterpret_cast<MONERO_cw_WalletListener*>(cw_walletListener_ptr);
     listener->cw_isNeedToRefresh();
+    WRAPPER_CATCH_VOID()
 };
 
 uint64_t MONERO_cw_WalletListener_height(void* cw_walletListener_ptr) {
+    WRAPPER_TRY()
     MONERO_cw_WalletListener *listener = reinterpret_cast<MONERO_cw_WalletListener*>(cw_walletListener_ptr);
     return listener->cw_isNeedToRefresh();
+    WRAPPER_CATCH(0)
 };
 
 const char* MONERO_checksum_wallet2_api_c_h() {
diff --git a/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.h b/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.h
index 143da40..17c647c 100644
--- a/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.h
+++ b/monero_libwallet2_api_c/src/main/cpp/wallet2_api_c.h
@@ -604,8 +604,6 @@ extern ADDAPI uint64_t MONERO_Wallet_approximateBlockChainHeight(void* wallet_pt
 extern ADDAPI uint64_t MONERO_Wallet_estimateBlockChainHeight(void* wallet_ptr);
 //     virtual uint64_t daemonBlockChainHeight() const = 0;
 extern ADDAPI uint64_t MONERO_Wallet_daemonBlockChainHeight(void* wallet_ptr);
-extern ADDAPI uint64_t MONERO_Wallet_daemonBlockChainHeight_cached(void* wallet_ptr);
-extern ADDAPI void MONERO_Wallet_daemonBlockChainHeight_runThread(void* wallet_ptr, int seconds);
 //     virtual uint64_t daemonBlockChainTargetHeight() const = 0;
 extern ADDAPI uint64_t MONERO_Wallet_daemonBlockChainTargetHeight(void* wallet_ptr);
 //     virtual bool synchronized() const = 0;