Get rid of fPlus argument to FormatMoney

It's never used with any other value than false, the default.

src/rpcserver.cpp

@@ -136,7 +136,7 @@ CAmount AmountFromValue(const UniValue& value)
 
 UniValue ValueFromAmount(const CAmount& amount)
 {
-    return UniValue(UniValue::VREAL, FormatMoney(amount, false));
+    return UniValue(UniValue::VREAL, FormatMoney(amount));
 }
 
 uint256 ParseHashV(const UniValue& v, string strName)

src/test/util_tests.cpp

@@ -146,29 +146,27 @@ BOOST_AUTO_TEST_CASE(util_GetArg)
 
 BOOST_AUTO_TEST_CASE(util_FormatMoney)
 {
-    BOOST_CHECK_EQUAL(FormatMoney(0, false), "0.00");
-    BOOST_CHECK_EQUAL(FormatMoney((COIN/10000)*123456789, false), "12345.6789");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN, true), "+1.00");
-    BOOST_CHECK_EQUAL(FormatMoney(-COIN, false), "-1.00");
-    BOOST_CHECK_EQUAL(FormatMoney(-COIN, true), "-1.00");
-
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*100000000, false), "100000000.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*10000000, false), "10000000.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*1000000, false), "1000000.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*100000, false), "100000.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*10000, false), "10000.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*1000, false), "1000.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*100, false), "100.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN*10, false), "10.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN, false), "1.00");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/10, false), "0.10");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/100, false), "0.01");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/1000, false), "0.001");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/10000, false), "0.0001");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/100000, false), "0.00001");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/1000000, false), "0.000001");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/10000000, false), "0.0000001");
-    BOOST_CHECK_EQUAL(FormatMoney(COIN/100000000, false), "0.00000001");
+    BOOST_CHECK_EQUAL(FormatMoney(0), "0.00");
+    BOOST_CHECK_EQUAL(FormatMoney((COIN/10000)*123456789), "12345.6789");
+    BOOST_CHECK_EQUAL(FormatMoney(-COIN), "-1.00");
+
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*100000000), "100000000.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*10000000), "10000000.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*1000000), "1000000.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*100000), "100000.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*10000), "10000.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*1000), "1000.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*100), "100.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN*10), "10.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN), "1.00");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/10), "0.10");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/100), "0.01");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/1000), "0.001");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/10000), "0.0001");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/100000), "0.00001");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/1000000), "0.000001");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/10000000), "0.0000001");
+    BOOST_CHECK_EQUAL(FormatMoney(COIN/100000000), "0.00000001");
 }
 
 BOOST_AUTO_TEST_CASE(util_ParseMoney)

src/utilmoneystr.cpp

@@ -11,7 +11,7 @@
 
 using namespace std;
 
-string FormatMoney(const CAmount& n, bool fPlus)
+std::string FormatMoney(const CAmount& n)
 {
     // Note: not using straight sprintf here because we do NOT want
     // localized number formatting.
@@ -29,8 +29,6 @@ string FormatMoney(const CAmount& n, bool fPlus)
 
     if (n < 0)
         str.insert((unsigned int)0, 1, '-');
-    else if (fPlus && n > 0)
-        str.insert((unsigned int)0, 1, '+');
     return str;
 }
 

src/utilmoneystr.h

@@ -14,7 +14,7 @@
 
 #include "amount.h"
 
-std::string FormatMoney(const CAmount& n, bool fPlus=false);
+std::string FormatMoney(const CAmount& n);
 bool ParseMoney(const std::string& str, CAmount& nRet);
 bool ParseMoney(const char* pszIn, CAmount& nRet);