[qt] Added satoshi unit

"Satoshi (sat)" will be displayed in dropdowns and status bars.
"sat" will be used when appended to numbers.

Author: GreatSock

src/qt/bitcoinunits.cpp

@@ -20,6 +20,7 @@ QList<BitcoinUnits::Unit> BitcoinUnits::availableUnits()
     unitlist.append(BTC);
     unitlist.append(mBTC);
     unitlist.append(uBTC);
+    unitlist.append(SAT);
     return unitlist;
 }
 
@@ -30,6 +31,7 @@ bool BitcoinUnits::valid(int unit)
     case BTC:
     case mBTC:
     case uBTC:
+    case SAT:
         return true;
     default:
         return false;
@@ -43,6 +45,7 @@ QString BitcoinUnits::longName(int unit)
     case BTC: return QString("BTC");
     case mBTC: return QString("mBTC");
     case uBTC: return QString::fromUtf8("µBTC (bits)");
+    case SAT: return QString("Satoshi (sat)");
     default: return QString("???");
     }
 }
@@ -52,7 +55,8 @@ QString BitcoinUnits::shortName(int unit)
     switch(unit)
     {
     case uBTC: return QString::fromUtf8("bits");
-    default:   return longName(unit);
+    case SAT: return QString("sat");
+    default: return longName(unit);
     }
 }
 
@@ -63,6 +67,7 @@ QString BitcoinUnits::description(int unit)
     case BTC: return QString("Bitcoins");
     case mBTC: return QString("Milli-Bitcoins (1 / 1" THIN_SP_UTF8 "000)");
     case uBTC: return QString("Micro-Bitcoins (bits) (1 / 1" THIN_SP_UTF8 "000" THIN_SP_UTF8 "000)");
+    case SAT: return QString("Satoshi (sat) (1 / 100" THIN_SP_UTF8 "000" THIN_SP_UTF8 "000)");
     default: return QString("???");
     }
 }
@@ -71,10 +76,11 @@ qint64 BitcoinUnits::factor(int unit)
 {
     switch(unit)
     {
-    case BTC:  return 100000000;
+    case BTC: return 100000000;
     case mBTC: return 100000;
     case uBTC: return 100;
-    default:   return 100000000;
+    case SAT: return 1;
+    default: return 100000000;
     }
 }
 
@@ -85,6 +91,7 @@ int BitcoinUnits::decimals(int unit)
     case BTC: return 8;
     case mBTC: return 5;
     case uBTC: return 2;
+    case SAT: return 0;
     default: return 0;
     }
 }

src/qt/bitcoinunits.h

@@ -58,7 +58,8 @@ class BitcoinUnits: public QAbstractListModel
     {
         BTC,
         mBTC,
-        uBTC
+        uBTC,
+        SAT
     };
 
     enum SeparatorStyle