diff --git a/src/monero_wallet_wrapper/MoneroErrors.hh b/src/monero_wallet_wrapper/MoneroErrors.hh
index 8bfdb97db..22c9c9675 100644
--- a/src/monero_wallet_wrapper/MoneroErrors.hh
+++ b/src/monero_wallet_wrapper/MoneroErrors.hh
@@ -50,7 +50,7 @@ namespace Monero {
         public: 
             virtual const char* what() const throw()
             {
-                return "Payment ID should be a Hex of 32 bits";
+                return "Payment ID should be a Hex of 32 bits (64 chars hex string)";
             }
 
         } iInvalidPaymentID;
@@ -65,5 +65,27 @@ namespace Monero {
             }
 
         } iInvalidNonce;
+
+
+        class NoDaemonConnection: public std::exception
+        {
+        public: 
+            virtual const char* what() const throw()
+            {
+                return "No connection to daemon. Use 'connect()' first. And check that 'bitmonerod' is running";
+            }
+
+        } iNoDaemonConnection;
+
+
+        class DaemonBusy: public std::exception
+        {
+        public: 
+            virtual const char* what() const throw()
+            {
+                return "Daemon is busy. Please wait for blockchain operations and try again";
+            }
+
+        } iDaemonBusy;
     }
 }
diff --git a/src/monero_wallet_wrapper/MoneroWallet.cc b/src/monero_wallet_wrapper/MoneroWallet.cc
index 7de7ba6bd..804c35235 100644
--- a/src/monero_wallet_wrapper/MoneroWallet.cc
+++ b/src/monero_wallet_wrapper/MoneroWallet.cc
@@ -51,8 +51,31 @@ amount_mini_t toMini(amount_t pAmount) {
     return pAmount * pow(10,12);
 }
 
+const Transfer transferFromRawTransferDetails(const tools::wallet2::transfer_details& pTransferDetails)
+{
+    Transfer lTransfer;
+    lTransfer.transaction_id = epee::string_tools::pod_to_hex(cryptonote::get_transaction_hash(pTransferDetails.m_tx));
+    lTransfer.block_height = pTransferDetails.m_block_height;
+    lTransfer.global_output_index = pTransferDetails.m_global_output_index;
+    lTransfer.local_output_index = pTransferDetails.m_internal_output_index;
+    lTransfer.spent = pTransferDetails.m_spent;
+    lTransfer.amount_mini = pTransferDetails.amount();
+    lTransfer.amount = fromMini(lTransfer.amount_mini);
 
+    return lTransfer;
+}
 
+const Payment paymentFromRawPaymentDetails(const tools::wallet2::payment_details& pPaymentDetails)
+{
+    Payment lPayment;
+    lPayment.transaction_id = epee::string_tools::pod_to_hex(pPaymentDetails.m_tx_hash);
+    lPayment.block_height = pPaymentDetails.m_block_height;
+    lPayment.unlock_time = pPaymentDetails.m_unlock_time;
+    lPayment.amount_mini = pPaymentDetails.m_amount;
+    lPayment.amount = fromMini(lPayment.amount_mini);
+
+    return lPayment;
+}
 
 static amount_mini_t default_fee = DEFAULT_FEE;
 
@@ -112,25 +135,14 @@ amount_t Wallet::getUnlockedBalance() const {
 const std::vector<Transfer> Wallet::getIncomingTransfers() const 
 {
 
-    std::vector<Transfer> lTransfers;
-
-    tools::wallet2::transfer_container lIncomingTransfers;
-    
-
     /* TODO : Throw exception */
+    tools::wallet2::transfer_container lIncomingTransfers;   
     wallet_impl->get_transfers(lIncomingTransfers);
 
 
+    std::vector<Transfer> lTransfers;
     for(tools::wallet2::transfer_details lTransferDetail : lIncomingTransfers) {
-        Transfer lTransfer;
-        lTransfer.block_height = lTransferDetail.m_block_height;
-        lTransfer.global_output_index = lTransferDetail.m_global_output_index;
-        lTransfer.local_output_index = lTransferDetail.m_internal_output_index;
-        lTransfer.spent = lTransferDetail.m_spent;
-        lTransfer.amount_mini = lTransferDetail.amount();
-
-        lTransfer.amount = fromMini(lTransfer.amount_mini);
-        
+        const Transfer& lTransfer = transferFromRawTransferDetails(lTransferDetail);
         lTransfers.push_back(lTransfer);
     }
 
@@ -138,6 +150,45 @@ const std::vector<Transfer> Wallet::getIncomingTransfers() const
 
 }
 
+const std::list<Payment> Wallet::getPayments(const std::string& pPaymentId) const 
+{
+
+    crypto::hash lPaymentIdBytes;
+
+    /* Parse payment ID */
+    if (!tools::wallet2::parse_payment_id(pPaymentId, lPaymentIdBytes)) {
+        throw(Errors::iInvalidPaymentID);
+    }
+
+    std::list<tools::wallet2::payment_details> oPaymentsDetails;
+    wallet_impl->get_payments(lPaymentIdBytes, oPaymentsDetails);
+
+    std::cout << "Got " << oPaymentsDetails.size() << " payments for '" << pPaymentId << "'" << std::endl;
+
+    std::list<Payment> lPayments;
+    for (const tools::wallet2::payment_details lPaymentDetails : oPaymentsDetails) {
+        const Payment& lPayment = paymentFromRawPaymentDetails(lPaymentDetails);
+        lPayments.push_back(lPayment);
+    }
+
+    return lPayments;
+}
+
+const std::multimap<std::string,Payment> Wallet::getAllPayments() const {
+
+    std::multimap<std::string,Payment> lPaymentsMap;
+    const tools::wallet2::payment_container& lPaymentsContainer = wallet_impl->get_all_payments();
+
+    for (const std::pair<crypto::hash,tools::wallet2::payment_details> lHashPaymentDetails : lPaymentsContainer) {
+        const std::string& lPaymentId = epee::string_tools::pod_to_hex(lHashPaymentDetails.first);
+        const Payment& lPayment = paymentFromRawPaymentDetails(lHashPaymentDetails.second);
+        lPaymentsMap.emplace(lPaymentId, lPayment);
+    }
+
+    return lPaymentsMap;
+
+}
+
 bool Wallet::refresh() {
 
     size_t lFetchedBlocks;
@@ -161,23 +212,26 @@ bool Wallet::connect(const std::string pDaemonRPCEndpoint) {
 
 }
 
+void Wallet::store() {
+    wallet_impl->store();
+}
 
-const std::string Wallet::transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, const std::string& pPaymentId = "") 
+const std::string Wallet::transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, const std::string& pPaymentId) 
 {
     return transferMini(pDestsToAmountMini, getDefaultFee(), pPaymentId);
 }
 
-const std::string Wallet::transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, amount_mini_t pFee = Wallet::getDefaultFee(), const std::string& pPaymentId = "") 
+const std::string Wallet::transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, amount_mini_t pFee, const std::string& pPaymentId) 
 {
     return transferMini(pDestsToAmountMini, 0, 0, pFee, pPaymentId);
 }
 
-const std::string Wallet::transferMini(const std::string& pDestAddress, amount_mini_t pAmount, const std::string& pPaymentId = "") 
+const std::string Wallet::transferMini(const std::string& pDestAddress, amount_mini_t pAmount, const std::string& pPaymentId) 
 {
     return transferMini(pDestAddress, pAmount, getDefaultFee(), pPaymentId);
 }
 
-const std::string Wallet::transferMini(const std::string& pDestAddress, amount_mini_t pAmount, amount_mini_t pFee = Wallet::getDefaultFee(), const std::string& pPaymentId = "") 
+const std::string Wallet::transferMini(const std::string& pDestAddress, amount_mini_t pAmount, amount_mini_t pFee, const std::string& pPaymentId) 
 {
     std::multimap<std::string,amount_mini_t> lDestsMap;
     lDestsMap.emplace(pDestAddress, pAmount);
@@ -185,13 +239,13 @@ const std::string Wallet::transferMini(const std::string& pDestAddress, amount_m
 }
 
 
-const std::string transfer(const std::string& pDestAddress, amount_t pAmount, const std::string& pPaymentId = "") 
+const std::string Wallet::transfer(const std::string& pDestAddress, amount_t pAmount, const std::string& pPaymentId) 
 {
     return transferMini(pDestAddress, toMini(pAmount), pPaymentId);
 }
 
 
-const std::string transfer(const std::string& pDestAddress, amount_t pAmount, amount_t pFee = Wallet::getDefaultFee(), const std::string& pPaymentId = "") 
+const std::string Wallet::transfer(const std::string& pDestAddress, amount_t pAmount, amount_t pFee, const std::string& pPaymentId) 
 {
     return transferMini(pDestAddress, toMini(pAmount), toMini(pFee), pPaymentId);
 }
@@ -237,7 +291,15 @@ const std::string Wallet::transferMini(const std::multimap<std::string,amount_mi
     std::cout << "Commiting transfer ..." << std::endl;
           
     cryptonote::transaction lTransaction;
-    wallet_impl->transfer(lDestinations, pFakeOutputsCount, pUnlockTime, pFee, lExtra, lTransaction);
+    try {
+        wallet_impl->transfer(lDestinations, pFakeOutputsCount, pUnlockTime, pFee, lExtra, lTransaction);
+    }
+    catch(tools::error::no_connection_to_daemon) {
+        throw(Errors::iNoDaemonConnection);
+    }
+    catch(tools::error::daemon_busy) {
+        throw(Errors::iDaemonBusy);
+    }
 
     const std::string& lTransactionId = boost::lexical_cast<std::string>(get_transaction_hash(lTransaction));
 
diff --git a/src/monero_wallet_wrapper/MoneroWallet.hh b/src/monero_wallet_wrapper/MoneroWallet.hh
index d1ea3591d..130f94ea5 100644
--- a/src/monero_wallet_wrapper/MoneroWallet.hh
+++ b/src/monero_wallet_wrapper/MoneroWallet.hh
@@ -4,6 +4,7 @@
 #include <vector>
 #include <inttypes.h>
 #include <map>
+#include <list>
 
 #include "MoneroErrors.hh"
 
@@ -18,6 +19,7 @@ typedef long double amount_t;
 
 
 struct Transfer {
+    std::string transaction_id;
     uint64_t block_height;
     uint64_t global_output_index;
     size_t local_output_index;
@@ -26,6 +28,16 @@ struct Transfer {
     amount_t amount;
 };
 
+struct Payment {
+    std::string transaction_id;
+    uint64_t block_height;
+    uint64_t unlock_time;
+    amount_mini_t amount_mini;
+    amount_t amount;
+};
+
+
+
 /**
 * @class Wallet Represents a Wallet instance or can be used with static methods for checking Wallets.
 *
@@ -67,6 +79,8 @@ public:
     */
     bool connect(const std::string pDaemonRPCEndpoint = "http://localhost:18081");
 
+    void store();
+
     /* Offline methods */
     /**
     * @brîef Returns the address of the Wakket account.
@@ -104,6 +118,10 @@ public:
     */
     const std::vector<Transfer> getIncomingTransfers() const;
 
+    const std::list<Payment> getPayments(const std::string& pPaymentId) const;
+
+    const std::multimap<std::string,Payment> getAllPayments() const;
+
     /**
     * @brief Performs a transfer to one of multiple destinations
     *
@@ -116,10 +134,10 @@ public:
     const std::string transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, size_t pFakeOutputsCount, uint64_t pUnlockTime, amount_mini_t pFee = Wallet::getDefaultFee(), const std::string& pPaymentId = "");
     
     const std::string transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, const std::string& pPaymentId = "");
-    const std::string transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, amount_mini_t pFee = Wallet::getDefaultFee(), const std::string& pPaymentId = "");
+    const std::string transferMini(const std::multimap<std::string,amount_mini_t> pDestsToAmountMini, amount_mini_t pFee, const std::string& pPaymentId = "");
 
     const std::string transferMini(const std::string& pDestAddress, amount_mini_t pAmount, const std::string& pPaymentId = "");
-    const std::string transferMini(const std::string& pDestAddress, amount_mini_t pAmount, amount_mini_t pFee = Wallet::getDefaultFee(), const std::string& pPaymentId = "");
+    const std::string transferMini(const std::string& pDestAddress, amount_mini_t pAmount, amount_mini_t pFee, const std::string& pPaymentId = "");
 
     /**
     * @brief Performs a transfer to one destination
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index a63eb4be7..f724a4fe4 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -579,6 +579,11 @@ void wallet2::get_payments(const crypto::hash& payment_id, std::list<wallet2::pa
   });
 }
 //----------------------------------------------------------------------------------------------------
+const wallet2::payment_container& wallet2::get_all_payments() const
+{
+  return m_payments;
+}
+//----------------------------------------------------------------------------------------------------
 bool wallet2::is_transfer_unlocked(const transfer_details& td) const
 {
   if(!is_tx_spendtime_unlocked(td.m_tx.unlock_time))
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index ecaa9f6e3..b8baa0c3a 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -130,6 +130,7 @@ namespace tools
     bool check_connection();
     void get_transfers(wallet2::transfer_container& incoming_transfers) const;
     void get_payments(const crypto::hash& payment_id, std::list<wallet2::payment_details>& payments) const;
+    const payment_container& get_all_payments() const;
     uint64_t get_blockchain_current_height() const { return m_local_bc_height; }
     template <class t_archive>
     inline void serialize(t_archive &a, const unsigned int ver)