Litecoin: fix BIP32 version bytes (#404)

lib/coins.py

@@ -569,8 +569,8 @@ class Litecoin(Coin):
     NAME = "Litecoin"
     SHORTNAME = "LTC"
     NET = "mainnet"
-    XPUB_VERBYTES = bytes.fromhex("019d9cfe")
-    XPRV_VERBYTES = bytes.fromhex("019da462")
+    XPUB_VERBYTES = bytes.fromhex("0488b21e")
+    XPRV_VERBYTES = bytes.fromhex("0488ade4")
     P2PKH_VERBYTE = bytes.fromhex("30")
     P2SH_VERBYTES = [bytes.fromhex("32"), bytes.fromhex("05")]
     WIF_BYTE = bytes.fromhex("b0")
@@ -596,8 +596,8 @@ class Litecoin(Coin):
 class LitecoinTestnet(Litecoin):
     SHORTNAME = "XLT"
     NET = "testnet"
-    XPUB_VERBYTES = bytes.fromhex("0436ef7d")
-    XPRV_VERBYTES = bytes.fromhex("0436f6e1")
+    XPUB_VERBYTES = bytes.fromhex("043587cf")
+    XPRV_VERBYTES = bytes.fromhex("04358394")
     P2PKH_VERBYTE = bytes.fromhex("6f")
     P2SH_VERBYTES = [bytes.fromhex("3a"), bytes.fromhex("c4")]
     WIF_BYTE = bytes.fromhex("ef")