From 4958ea8009e3c950a680bded814994428630b645 Mon Sep 17 00:00:00 2001
From: Jang Chongchan <jangchongchan20@gmail.com>
Date: Fri, 24 Apr 2020 10:20:50 +0900
Subject: Add Sugarchain support

---
 src/js/bitcoinjs-extensions.js | 11 +++++++++++
 src/js/index.js                |  7 +++++++
 src/js/segwit-parameters.js    | 26 ++++++++++++++++++++++++++
 tests/spec/tests.js            | 10 ++++++++++
 4 files changed, 54 insertions(+)

diff --git a/src/js/bitcoinjs-extensions.js b/src/js/bitcoinjs-extensions.js
index 17475b1..7446bd7 100644
--- a/src/js/bitcoinjs-extensions.js
+++ b/src/js/bitcoinjs-extensions.js
@@ -1739,6 +1739,17 @@ 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
+};
+
 // https://github.com/libs.bitcoinjs-lib/blob/3f6f5ef97a1ee1b8337865209282c0095e22b2e7/src/networks.js
 libs.bitcoin.networks.regtest = {
   messagePrefix: '\x18Bitcoin Signed Message:\n',
diff --git a/src/js/index.js b/src/js/index.js
index c2d34a7..841a27f 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -3091,6 +3091,13 @@
                 setHdCoin(105);
             },
         },
+        {
+            name: "SUGAR - Sugarchain",
+            onSelect: function() {
+                network = libs.bitcoin.networks.sugarchain;
+                setHdCoin(408);
+            },
+        },
         {
             name: "SWTC - Jingtum",
             onSelect: function() {
diff --git a/src/js/segwit-parameters.js b/src/js/segwit-parameters.js
index d5ea419..0c41bf7 100644
--- a/src/js/segwit-parameters.js
+++ b/src/js/segwit-parameters.js
@@ -683,4 +683,30 @@ 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
+};
+
 })();
diff --git a/tests/spec/tests.js b/tests/spec/tests.js
index 31fa043..d9a1843 100644
--- a/tests/spec/tests.js
+++ b/tests/spec/tests.js
@@ -1675,6 +1675,16 @@ it('Allows selection of Stratis Test', function(done) {
     };
     testNetwork(done, params);
 });
+it('Allows selection of Sugarchain', function(done) {
+    var params = {
+        selectText: "SUGAR - Sugarchain",
+        phrase: "abandon abandon ability",
+        firstAddress: "SYnd31fYr39VgKju87Vz1sYBmEeHg5cudk",
+        firstPubKey: "035bc9fa22eff2246ec07bb09c9e32f5f9fee517b4f49a8f117508f8fb41905b25",
+        firstPrivKey: "L2G3axGdZv5EV8osAsBPMese74i4dTHaGvxDh7DsRF5Ky6hKkPDY",
+    };
+    testNetwork(done, params);
+});
 it('Allows selection of Syscoin', function(done) {
     var params = {
         selectText: "SYS - Syscoin",
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