1 files changed, 53 insertions, 0 deletions

diff --git a/src/js/segwit-parameters.js b/src/js/segwit-parameters.js
index 2f729f8..58c9f95 100644
--- a/src/js/segwit-parameters.js
+++ b/src/js/segwit-parameters.js
@@ -262,4 +262,57 @@ bitcoinjs.bitcoin.networks.cpuchain.p2wpkhInP2sh = {
     scriptHash: 0x1e,
     wif: 0x80,
 };
+
+bitcoinjs.bitcoin.networks.groestlcoin.p2wpkh = {
+    baseNetwork: "groestlcoin",
+    messagePrefix: '\x19GroestlCoin Signed Message:\n',
+    bech32: 'grs',
+    bip32: {
+        public: 0x04b24746,
+        private: 0x04b2430c
+    },
+    pubKeyHash: 0x24,
+    scriptHash: 0x05,
+    wif: 0x80,
+};
+
+bitcoinjs.bitcoin.networks.groestlcointestnet.p2wpkh = {
+    baseNetwork: "groestlcointestnet",
+    messagePrefix: '\x19GroestlCoin Signed Message:\n',
+    bech32: 'tgrs',
+    bip32: {
+        public: 0x045f1cf6,
+        private: 0x045f18bc
+    },
+    pubKeyHash: 0x6f,
+    scriptHash: 0xc4,
+    wif: 0xef
+};
+
+bitcoinjs.bitcoin.networks.groestlcoin.p2wpkhInP2sh = {
+    baseNetwork: "groestlcoin",
+    messagePrefix: '\x19GroestlCoin Signed Message:\n',
+    bech32: 'grs',
+    bip32: {
+        public: 0x049d7cb2,
+        private: 0x049d7878
+    },
+    pubKeyHash: 0x24,
+    scriptHash: 0x05,
+    wif: 0x80,
+};
+
+bitcoinjs.bitcoin.networks.groestlcointestnet.p2wpkhInP2sh = {
+    baseNetwork: "groestlcointestnet",
+    messagePrefix: '\x19GroestlCoin Signed Message:\n',
+    bech32: 'tgrs',
+    bip32: {
+        public: 0x044a5262,
+        private: 0x044a4e28
+    },
+    pubKeyHash: 0x6f,
+    scriptHash: 0xc4,
+    wif: 0xef
+};
+
 })();