4 files changed, 107 insertions, 1 deletions

diff --git a/src/index.html b/src/index.html
index 1184a0c..ae39c11 100644
--- a/src/index.html
+++ b/src/index.html
@@ -24,7 +24,7 @@
                         <div class="form-group">
                             <div class="col-sm-2"></div>
                             <div class="col-sm-10">
-                                <p>You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).</p>
+                                <p>You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word contains a checksum).</p>
                                 <p>
                                     For more info see the
                                     <a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki" target="_blank">BIP39 spec</a>.
diff --git a/src/js/bitcoinjs-extensions.js b/src/js/bitcoinjs-extensions.js
index 17475b1..2792e13 100644
--- a/src/js/bitcoinjs-extensions.js
+++ b/src/js/bitcoinjs-extensions.js
@@ -1739,6 +1739,28 @@ libs.bitcoin.networks.elastos = {
     wif: 0xef // TODO set this correctly, same as BTC for now
 };
 
+libs.bitcoin.networks.sugarchain = {
+    messagePrefix: '\x18Sugarchain Signed Message:\n',
+    bip32: {
+        public: 0x0488B21E,
+        private: 0x0488ADE4,
+    },
+    pubKeyHash: 0x3f,
+    scriptHash: 0x7d,
+    wif: 0x80
+};
+
+libs.bitcoin.networks.sugarchaintestnet = {
+    messagePrefix: '\x18Sugarchain Signed Message:\n',
+    bip32: {
+        public: 0x045f1cf6,
+        private: 0x045f18bc,
+    },
+    pubKeyHash: 0x42,
+    scriptHash: 0x80,
+    wif: 0xef
+};
+
 // https://github.com/libs.bitcoinjs-lib/blob/3f6f5ef97a1ee1b8337865209282c0095e22b2e7/src/networks.js
 libs.bitcoin.networks.regtest = {
   messagePrefix: '\x18Bitcoin Signed Message:\n',
@@ -1751,3 +1773,14 @@ libs.bitcoin.networks.regtest = {
   scriptHash: 0xc4,
   wif: 0xef,
 };
+
+libs.bitcoin.networks.argoneum = {
+  messagePrefix: 'unused',
+  bip32: {
+    public: 0x0488b21e,
+    private: 0x0488ade4
+  },
+  pubKeyHash: 0x32,
+  scriptHash: 0x61,
+  wif: 0xbf
+};
diff --git a/src/js/index.js b/src/js/index.js
index eb914a8..32825b2 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -2036,6 +2036,13 @@
             },
         },
         {
+            name: "AGM - Argoneum",
+            onSelect: function() {
+                network = libs.bitcoin.networks.argoneum;
+                setHdCoin(421);
+            },
+        },
+        {
             name: "ARYA - Aryacoin",
             onSelect: function() {
                 network = libs.bitcoin.networks.aryacoin;
@@ -3103,6 +3110,20 @@
             },
         },
         {
+            name: "SUGAR - Sugarchain",
+            onSelect: function() {
+                network = libs.bitcoin.networks.sugarchain;
+                setHdCoin(408);
+            },
+        },
+        {
+            name: "TUGAR - Sugarchain Testnet",
+            onSelect: function() {
+                network = libs.bitcoin.networks.sugarchaintestnet;
+                setHdCoin(408);
+            },
+        },
+        {
             name: "SWTC - Jingtum",
             onSelect: function() {
                 network = libs.bitcoin.networks.bitcoin;
diff --git a/src/js/segwit-parameters.js b/src/js/segwit-parameters.js
index d5ea419..ea6f86e 100644
--- a/src/js/segwit-parameters.js
+++ b/src/js/segwit-parameters.js
@@ -683,4 +683,56 @@ libs.bitcoin.networks.deeponion.p2wpkhInP2sh = {
         wif: 0x9f
 };
 
+libs.bitcoin.networks.sugarchain.p2wpkh = {
+        baseNetwork: "sugarchain",
+        messagePrefix: '\x1DSugarchain Signed Message:\n',
+        bech32: 'sugar',
+        bip32: {
+                public: 0x04b24746,
+                private: 0x04b2430c
+        },
+        pubKeyHash: 0x3f,
+        scriptHash: 0x7d,
+        wif: 0x80
+};
+
+libs.bitcoin.networks.sugarchain.p2wpkhInP2sh = {
+        baseNetwork: "sugarchain",
+        messagePrefix: '\x1DSugarchain Signed Message:\n',
+        bech32: 'sugar',
+        bip32: {
+                public: 0x049d7cb2,
+                private: 0x049d7878
+        },
+        pubKeyHash: 0x3f,
+        scriptHash: 0x7d,
+        wif: 0x80
+};
+
+libs.bitcoin.networks.sugarchaintestnet.p2wpkh = {
+        baseNetwork: "sugarchaintestnet",
+        messagePrefix: '\x18Sugarchain Signed Message:\n',
+        bech32: 'tugar',
+        bip32: {
+                public: 0x045f1cf6,
+                private: 0x045f18bc
+        },
+        pubKeyHash: 0x42,
+        scriptHash: 0x80,
+        wif: 0xef
+};
+
+libs.bitcoin.networks.sugarchaintestnet.p2wpkhInP2sh = {
+        baseNetwork: "sugarchaintestnet",
+        messagePrefix: '\x18Sugarchain Signed Message:\n',
+        bech32: 'tugar',
+        bip32: {
+                public: 0x044a5262,
+                private: 0x044a4e28
+        },
+        pubKeyHash: 0x42,
+        scriptHash: 0x80,
+        wif: 0xef
+};
+
 })();