From 85a632244ef97a500a17a9954914c52487422c5e Mon Sep 17 00:00:00 2001
From: Ilya Kitaev <mbg033@gmail.com>
Date: Thu, 16 Jun 2016 16:42:33 +0300
Subject: [PATCH] double/string to monero integer convertion methods

---
 src/wallet/api/wallet.cpp          | 17 +++++++++++++++++
 src/wallet/wallet2_api.h           |  2 ++
 tests/libwallet_api_tests/main.cpp | 16 ++++++++++++++--
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/src/wallet/api/wallet.cpp b/src/wallet/api/wallet.cpp
index f6d7a561..1f414b3b 100644
--- a/src/wallet/api/wallet.cpp
+++ b/src/wallet/api/wallet.cpp
@@ -36,6 +36,7 @@
 
 #include "mnemonics/electrum-words.h"
 #include <boost/format.hpp>
+#include <sstream>
 
 using namespace std;
 using namespace cryptonote;
@@ -122,6 +123,22 @@ string Wallet::displayAmount(uint64_t amount)
     return cryptonote::print_money(amount);
 }
 
+uint64_t Wallet::amountFromString(const string &amount)
+{
+    uint64_t result;
+    cryptonote::parse_amount(result, amount);
+    return result;
+}
+
+uint64_t Wallet::amountFromDouble(double amount)
+{
+    std::stringstream ss;
+    ss << std::fixed << std::setprecision(CRYPTONOTE_DISPLAY_DECIMAL_POINT) << amount;
+    return amountFromString(ss.str());
+}
+
+
+
 ///////////////////////// WalletImpl implementation ////////////////////////
 WalletImpl::WalletImpl(bool testnet)
     :m_wallet(nullptr), m_status(Wallet::Status_Ok), m_trustedDaemon(false),
diff --git a/src/wallet/wallet2_api.h b/src/wallet/wallet2_api.h
index 62231820..34c18f77 100644
--- a/src/wallet/wallet2_api.h
+++ b/src/wallet/wallet2_api.h
@@ -160,6 +160,8 @@ struct Wallet
     virtual uint64_t balance() const = 0;
     virtual uint64_t unlockedBalance() const = 0;
     static std::string displayAmount(uint64_t amount);
+    static uint64_t amountFromString(const std::string &amount);
+    static uint64_t amountFromDouble(double amount);
     // TODO?
     // virtual uint64_t unlockedDustBalance() const = 0;
     virtual bool refresh() = 0;
diff --git a/tests/libwallet_api_tests/main.cpp b/tests/libwallet_api_tests/main.cpp
index 935cfd88..849d76e1 100644
--- a/tests/libwallet_api_tests/main.cpp
+++ b/tests/libwallet_api_tests/main.cpp
@@ -247,7 +247,7 @@ TEST_F(WalletManagerTest, WalletManagerChangesPassword)
     ASSERT_TRUE(wallet1->setPassword(WALLET_PASS2));
     ASSERT_TRUE(wmgr->closeWallet(wallet1));
     Bitmonero::Wallet * wallet2 = wmgr->openWallet(WALLET_NAME, WALLET_PASS2);
-    ASSERT_TRUE(wallet2->status() == Bitmonero::Wallet::Status_Ok);
+    ASSERT_TRUE(wallet2->status() == Bitmonero::Wallet::Status_Ok);quint64
     ASSERT_TRUE(wallet2->seed() == seed1);
     ASSERT_TRUE(wmgr->closeWallet(wallet2));
     Bitmonero::Wallet * wallet3 = wmgr->openWallet(WALLET_NAME, WALLET_PASS);
@@ -390,7 +390,19 @@ TEST_F(WalletTest1, WalletRefresh)
 }
 
 
+TEST_F(WalletTest1, WalletConvertsToString)
+{
+    std::string strAmount = Bitmonero::Wallet::displayAmount(AMOUNT_5XMR);
+    ASSERT_TRUE(AMOUNT_5XMR == Bitmonero::Wallet::amountFromString(strAmount));
 
+    ASSERT_TRUE(AMOUNT_5XMR == Bitmonero::Wallet::amountFromDouble(5.0));
+    ASSERT_TRUE(AMOUNT_10XMR == Bitmonero::Wallet::amountFromDouble(10.0));
+    ASSERT_TRUE(AMOUNT_1XMR == Bitmonero::Wallet::amountFromDouble(1.0));
+
+}
+
+
+/*
 TEST_F(WalletTest1, WalletTransaction)
 {
     Bitmonero::Wallet * wallet1 = wmgr->openWallet(CURRENT_SRC_WALLET, TESTNET_WALLET_PASS, true);
@@ -415,7 +427,7 @@ TEST_F(WalletTest1, WalletTransaction)
     ASSERT_FALSE(wallet1->balance() == balance);
     ASSERT_TRUE(wmgr->closeWallet(wallet1));
 }
-
+*/
 TEST_F(WalletTest1, WalletHistory)
 {
     Bitmonero::Wallet * wallet1 = wmgr->openWallet(CURRENT_SRC_WALLET, TESTNET_WALLET_PASS, true);