Updated Dogecoin and Litecoin network params (#51)

* set segwitAddressHrp to Litecoin and Dogecoin network params
* updated litecoin protocol version to handle witnesses
* updated p2sh header for ltc main and test net
* Correct Dogecoin testnet address prefix

Authored-by: Wasiq Nazir <[email protected]>

Author: nwasiq

core/src/main/java/org/libdohj/params/AbstractLitecoinParams.java

@@ -76,7 +76,7 @@ public abstract class AbstractLitecoinParams extends NetworkParameters implement
     public static final String ID_LITE_REGTEST = "regtest";
 
     public static final int LITECOIN_PROTOCOL_VERSION_MINIMUM = 70002;
-    public static final int LITECOIN_PROTOCOL_VERSION_CURRENT = 70003;
+    public static final int LITECOIN_PROTOCOL_VERSION_CURRENT = 70012;
 
     private static final Coin BASE_SUBSIDY = COIN.multiply(50);
 

core/src/main/java/org/libdohj/params/DogecoinMainNetParams.java

@@ -37,6 +37,7 @@ public DogecoinMainNetParams() {
         p2shHeader = 22;
         port = 22556;
         packetMagic = 0xc0c0c0c0;
+        segwitAddressHrp = "doge";
         // Note that while BIP44 makes HD wallets chain-agnostic, for legacy
         // reasons we use a Doge-specific header for main net. At some point
         // we'll add independent headers for BIP32 legacy and BIP44.

core/src/main/java/org/libdohj/params/DogecoinTestNet3Params.java

@@ -44,6 +44,7 @@ public DogecoinTestNet3Params() {
         addressHeader = 113;
         p2shHeader = 196;
         dumpedPrivateKeyHeader = 241;
+        segwitAddressHrp = "tdge";
         genesisBlock.setTime(1391503289L);
         genesisBlock.setDifficultyTarget(0x1e0ffff0L);
         genesisBlock.setNonce(997879);

core/src/main/java/org/libdohj/params/LitecoinMainNetParams.java

@@ -51,8 +51,9 @@ public LitecoinMainNetParams() {
         maxTarget = Utils.decodeCompactBits(0x1e0fffffL);
         port = 9333;
         addressHeader = 48;
-        p2shHeader = 5;
+        p2shHeader = 50;
         dumpedPrivateKeyHeader = 176;
+        segwitAddressHrp = "ltc";
 
         this.genesisBlock = createGenesis(this);
         spendableCoinbaseDepth = 100;

core/src/main/java/org/libdohj/params/LitecoinTestNet3Params.java

@@ -51,8 +51,9 @@ public LitecoinTestNet3Params() {
         maxTarget = Utils.decodeCompactBits(0x1e0fffffL);
         port = 19333;
         addressHeader = 111;
-        p2shHeader = 196;
+        p2shHeader = 58;
         dumpedPrivateKeyHeader = 239;
+        segwitAddressHrp = "tltc";
 
         this.genesisBlock = createGenesis(this);
         spendableCoinbaseDepth = 30;