From 20bd34b0147e0dcbd039523487035d43823ac267 Mon Sep 17 00:00:00 2001
From: Dave Puchyr <dave@slim.avaritia.com>
Date: Thu, 25 Feb 2021 15:51:45 +0100
Subject: [PATCH] Add Starname (IOV) support

---
 src/js/cosmos-util.js |  8 ++++----
 src/js/index.js       | 26 ++++++++++++++++++++------
 tests/spec/tests.js   | 10 ++++++++++
 3 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/src/js/cosmos-util.js b/src/js/cosmos-util.js
index a7f4605..e3a0ddf 100644
--- a/src/js/cosmos-util.js
+++ b/src/js/cosmos-util.js
@@ -1,13 +1,13 @@
-function CosmosBufferToPublic(pubBuf) {
+function CosmosBufferToPublic(pubBuf, hrp = "cosmos") {
   const Buffer = libs.buffer.Buffer;
   const AminoSecp256k1PubkeyPrefix = Buffer.from("EB5AE987", "hex");
   const AminoSecp256k1PubkeyLength = Buffer.from("21", "hex");
   pubBuf = Buffer.concat([AminoSecp256k1PubkeyPrefix, AminoSecp256k1PubkeyLength, pubBuf]);
-  return libs.bech32.encode("cosmospub", libs.bech32.toWords(pubBuf));
+  return libs.bech32.encode(`${hrp}pub`, libs.bech32.toWords(pubBuf));
 }
 
-function CosmosBufferToAddress(pubBuf) {
+function CosmosBufferToAddress(pubBuf, hrp = "cosmos") {
   const sha256_ed = libs.createHash("sha256").update(pubBuf).digest();
   const ripemd160_ed = libs.createHash("rmd160").update(sha256_ed).digest();
-  return libs.bech32.encode("cosmos", libs.bech32.toWords(ripemd160_ed));
+  return libs.bech32.encode(hrp, libs.bech32.toWords(ripemd160_ed));
 }
diff --git a/src/js/index.js b/src/js/index.js
index c502208..0bc2506 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -1350,21 +1350,21 @@
                  }
 
                 // ZooBC address format may vary
-                if (networks[DOM.network.val()].name == "ZBC - ZooBlockchain") {  
-                    
+                if (networks[DOM.network.val()].name == "ZBC - ZooBlockchain") {
+
                     var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
                     var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
                     var path = "m/";
                         path += purpose + "'/";
                         path += coin + "'/" + index + "'";
                     var result = libs.zoobcUtil.getKeypair(path, seed);
-    
+
                     let publicKey = result.pubKey.slice(1, 33);
                     let privateKey = result.key;
-    
+
                     privkey = privateKey.toString('hex');
                     pubkey = publicKey.toString('hex');
-    
+
                     indexText = path;
                     address = libs.zoobcUtil.getZBCAddress(publicKey, 'ZBC');
                 }
@@ -1425,7 +1425,14 @@
                     privkey = keyPair.d.toBuffer().toString("base64");
                 }
 
-                //Groestlcoin Addresses are different
+                if (networks[DOM.network.val()].name == "IOV - Starname") {
+                  const hrp = "star";
+                  address = CosmosBufferToAddress(keyPair.getPublicKeyBuffer(), hrp);
+                  pubkey = CosmosBufferToPublic(keyPair.getPublicKeyBuffer(), hrp);
+                  privkey = keyPair.d.toBuffer().toString("base64");
+                }
+
+              //Groestlcoin Addresses are different
                 if(isGRS()) {
 
                     if (isSegwit) {
@@ -2851,6 +2858,13 @@
             },
         },
         {
+            name: "IOV - Starname",
+            onSelect: function() {
+                network = libs.bitcoin.networks.bitcoin;
+                setHdCoin(234);
+            },
+         },
+         {
             name: "IXC - Ixcoin",
             onSelect: function() {
                 network = libs.bitcoin.networks.ixcoin;
diff --git a/tests/spec/tests.js b/tests/spec/tests.js
index 257cd7b..e33d618 100644
--- a/tests/spec/tests.js
+++ b/tests/spec/tests.js
@@ -1355,6 +1355,16 @@ it('Allows selection of Iop', function(done) {
     };
     testNetwork(done, params);
 });
+it('Allows selection of Starname', function(done) {
+    var params = {
+        selectText: "IOV - Starname",
+        phrase: "abandon abandon ability",
+        firstAddress: "star1xgfvgq40r7ff8ylw9l95dw56xnr0pvtjnlp7h4",
+        firstPubKey: "starpub1addwnpepqg9x5cft48hcgx25vyzeyygntl7pt763datr6v50hrecafyane54xlqdxkd",
+        firstPrivKey: "bGI4BNRvMYT1lbCOoH000HvNFPkyXms9n3Xp1X/7E80=",
+    };
+    testNetwork(done, params);
+});
 it('Allows selection of Ixcoin', function(done) {
     var params = {
         selectText: "IXC - Ixcoin",