3 files changed, 74 insertions, 0 deletions

diff --git a/src/js/bitcoinjs-extensions.js b/src/js/bitcoinjs-extensions.js
index 4536783..0d58bb9 100644
--- a/src/js/bitcoinjs-extensions.js
+++ b/src/js/bitcoinjs-extensions.js
@@ -1738,3 +1738,16 @@ bitcoinjs.bitcoin.networks.elastos = {
     scriptHash: 0xc4, // TODO set this correctly, same as BTC for now
     wif: 0xef // TODO set this correctly, same as BTC for now
 };
+
+// https://github.com/bitcoinjs/bitcoinjs-lib/blob/3f6f5ef97a1ee1b8337865209282c0095e22b2e7/src/networks.js
+bitcoinjs.bitcoin.networks.regtest = {
+  messagePrefix: '\x18Bitcoin Signed Message:\n',
+  bech32: 'bcrt',
+  bip32: {
+    public: 0x043587cf,
+    private: 0x04358394,
+  },
+  pubKeyHash: 0x6f,
+  scriptHash: 0xc4,
+  wif: 0xef,
+};
diff --git a/src/js/index.js b/src/js/index.js
index c9e7b44..d169ed2 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -2100,6 +2100,15 @@
             },
         },
         {
+            name: "BTC - Bitcoin RegTest",
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.regtest;
+                // Using hd coin value 1 based on bip44_coin_type
+                // https://github.com/chaintope/bitcoinrb/blob/f1014406f6b8f9b4edcecedc18df70c80df06f11/lib/bitcoin/chainparams/regtest.yml
+                setHdCoin(1);
+            },
+        },
+        {
             name: "BTC - Bitcoin Testnet",
             onSelect: function() {
                 network = bitcoinjs.bitcoin.networks.testnet;
diff --git a/src/js/segwit-parameters.js b/src/js/segwit-parameters.js
index 83d49da..9641d71 100644
--- a/src/js/segwit-parameters.js
+++ b/src/js/segwit-parameters.js
@@ -28,6 +28,19 @@ bitcoinjs.bitcoin.networks.testnet.p2wpkh = {
     wif: 0xef
 };
 
+bitcoinjs.bitcoin.networks.regtest.p2wpkh = {
+    baseNetwork: "regtest",
+    messagePrefix: '\x18Bitcoin Signed Message:\n',
+    bech32: 'bcrt',
+    bip32: {
+        public: 0x045f1cf6,
+        private: 0x045f18bc
+    },
+    pubKeyHash: 0x6f,
+    scriptHash: 0xc4,
+    wif: 0xef
+};
+
 // p2wpkh in p2sh
 
 bitcoinjs.bitcoin.networks.bitcoin.p2wpkhInP2sh = {
@@ -56,6 +69,19 @@ bitcoinjs.bitcoin.networks.testnet.p2wpkhInP2sh = {
     wif: 0xef
 };
 
+bitcoinjs.bitcoin.networks.regtest.p2wpkhInP2sh = {
+    baseNetwork: "regtest",
+    messagePrefix: '\x18Bitcoin Signed Message:\n',
+    bech32: 'bcrt',
+    bip32: {
+        public: 0x044a5262,
+        private: 0x044a4e28
+    },
+    pubKeyHash: 0x6f,
+    scriptHash: 0xc4,
+    wif: 0xef
+};
+
 // p2wsh
 
 bitcoinjs.bitcoin.networks.bitcoin.p2wsh = {
@@ -84,6 +110,19 @@ bitcoinjs.bitcoin.networks.testnet.p2wsh = {
     wif: 0xef
 };
 
+bitcoinjs.bitcoin.networks.regtest.p2wsh = {
+    baseNetwork: "regtest",
+    messagePrefix: '\x18Bitcoin Signed Message:\n',
+    bech32: 'bcrt',
+    bip32: {
+        public: 0x02575483,
+        private: 0x02575048
+    },
+    pubKeyHash: 0x6f,
+    scriptHash: 0xc4,
+    wif: 0xef
+};
+
 // p2wsh in p2sh
 
 bitcoinjs.bitcoin.networks.bitcoin.p2wshInP2sh = {
@@ -112,6 +151,19 @@ bitcoinjs.bitcoin.networks.testnet.p2wshInP2sh = {
     wif: 0xef
 };
 
+bitcoinjs.bitcoin.networks.regtest.p2wshInP2sh = {
+    baseNetwork: "regtest",
+    messagePrefix: '\x18Bitcoin Signed Message:\n',
+    bech32: 'bcrt',
+    bip32: {
+        public: 0x024289ef,
+        private: 0x024285b5
+    },
+    pubKeyHash: 0x6f,
+    scriptHash: 0xc4,
+    wif: 0xef
+};
+
 bitcoinjs.bitcoin.networks.litecoin.p2wpkh = {
     baseNetwork: "litecoin",
     messagePrefix: '\x19Litecoin Signed Message:\n',