Merge pull request #234 from h4x3rotab/h4x3rotab-btg

Add SegWit support for BTG

diff --combined src/js/bitcoinjs-extensions.js
index 06ad221dd4796f286e154a4c6d6636511933b075,d4b73d686810e61388e5ca63cf6dd3be04b7200a..a6130003d448bd1e36124c8069e57a7421b98b18
--- 1/src/js/bitcoinjs-extensions.js
--- 2/src/js/bitcoinjs-extensions.js
+++ b/src/js/bitcoinjs-extensions.js
@@@ -297,7 -297,7 +297,7 @@@ bitcoinjs.bitcoin.networks.nubits = 
  };
  
  bitcoinjs.bitcoin.networks.bgold = {
-   messagePrefix: 'unused',
+   messagePrefix: '\x1DBitcoin Gold Signed Message:\n',
      bip32: {
        public: 0x0488b21e,
        private: 0x0488ade4
@@@ -1045,28 -1045,6 +1045,28 @@@ bitcoinjs.bitcoin.networks.solarcoin = 
    wif: 0x92,
  };
  
 +bitcoinjs.bitcoin.networks.stash = {
 +  messagePrefix: '\x18Stash Signed Message:\n',
 +  bip32: {
 +    public: 0x0488b21e,
 +    private: 0x0488ade4
 +  },
 +  pubKeyHash: 0x4c,
 +  scriptHash: 0x10,
 +  wif: 0xcc
 +};
 +
 +bitcoinjs.bitcoin.networks.stashtn = {
 +  messagePrefix: '\x18Stash Test Signed Message:\n',
 +  bip32: {
 +    public: 0x043587cf,
 +    private: 0x04358394
 +  },
 +  pubKeyHash: 0x8c,
 +  scriptHash: 0x13,
 +  wif: 0xef
 +};
 +
  bitcoinjs.bitcoin.networks.stratis = {
    messagePrefix: '\x18Stratis Signed Message:\n',
    bip32: {