From 4e7f0611c4bd15ae983bd06feeb80ad69eedb853 Mon Sep 17 00:00:00 2001
From: Craig Raw <craigraw@gmail.com>
Date: Thu, 9 Jul 2020 10:25:28 +0200
Subject: [PATCH] move bitcoinunit to drongo

---
 .../com/sparrowwallet/drongo/BitcoinUnit.java | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/main/java/com/sparrowwallet/drongo/BitcoinUnit.java

diff --git a/src/main/java/com/sparrowwallet/drongo/BitcoinUnit.java b/src/main/java/com/sparrowwallet/drongo/BitcoinUnit.java
new file mode 100644
index 0000000..2e50d9c
--- /dev/null
+++ b/src/main/java/com/sparrowwallet/drongo/BitcoinUnit.java
@@ -0,0 +1,50 @@
+package com.sparrowwallet.drongo;
+
+import com.sparrowwallet.drongo.protocol.Transaction;
+
+public enum BitcoinUnit {
+    BTC("BTC") {
+        @Override
+        public long getSatsValue(double unitValue) {
+            return (long)(unitValue * Transaction.SATOSHIS_PER_BITCOIN);
+        }
+
+        public double getValue(long satsValue) {
+            return (double)satsValue / Transaction.SATOSHIS_PER_BITCOIN;
+        }
+    },
+    SATOSHIS("sats") {
+        @Override
+        public long getSatsValue(double unitValue) {
+            return (long)unitValue;
+        }
+
+        public double getValue(long satsValue) {
+            return (double)satsValue;
+        }
+    };
+
+    private final String label;
+
+    BitcoinUnit(String label) {
+        this.label = label;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+
+    public abstract long getSatsValue(double unitValue);
+
+    public abstract double getValue(long satsValue);
+
+    public double convertFrom(double fromValue, BitcoinUnit fromUnit) {
+        long satsValue = fromUnit.getSatsValue(fromValue);
+        return getValue(satsValue);
+    }
+
+    @Override
+    public String toString() {
+        return label;
+    }
+}