Altcoin - Add Chaincoin (#1636)

* Altcoin - Add Chaincoin

* Image

* Altcoin - Rating CHC

* Altcoin - Chaincoin insertion

* Revert

* Fix large diff

* Unit Test revert

BTCPayServer.Common/Altcoins/BTCPayNetworkProvider.Chaincoin.cs

@@ -0,0 +1,33 @@
+using NBitcoin;
+
+namespace BTCPayServer
+{
+    public partial class BTCPayNetworkProvider
+    {
+        public void InitChaincoin()
+        {
+            var nbxplorerNetwork = NBXplorerNetworkProvider.GetFromCryptoCode("CHC");
+            Add(new BTCPayNetwork()
+            {
+                CryptoCode = nbxplorerNetwork.CryptoCode,
+                DisplayName = "Chaincoin",
+                BlockExplorerLink = NetworkType == NetworkType.Mainnet
+                    ? "https://explorer.chaincoin.org/Explorer/Transaction/{0}"
+                    : "https://test.explorer.chaincoin.org/Explorer/Transaction/tx/{0}",
+                NBXplorerNetwork = nbxplorerNetwork,
+                UriScheme = "chaincoin",
+                DefaultRateRules = new[]
+                    {
+                        "CHC_X = CHC_BTC * BTC_X",
+                        "CHC_BTC = txbit(CHC_X)"
+                    },
+                CryptoImagePath = "imlegacy/chaincoin.png",
+                DefaultSettings = BTCPayDefaultSettings.GetDefaultSettings(NetworkType),
+                //https://github.com/satoshilabs/slips/blob/master/slip-0044.md
+                CoinType = NetworkType == NetworkType.Mainnet ? new KeyPath("711'")
+                    : new KeyPath("1'")
+            });
+        }
+    }
+}
+

BTCPayServer.Common/Altcoins/BTCPayNetworkProvider.cs

@@ -60,6 +60,7 @@ namespace BTCPayServer
             InitViacoin();
             InitMonero();
             InitPolis();
+            InitChaincoin();
 
             // Assume that electrum mappings are same as BTC if not specified
             foreach (var network in _Networks.Values.OfType<BTCPayNetwork>())

BTCPayServer.Rating/Currencies.json

@@ -1266,6 +1266,13 @@
       "symbol":null,
       "crypto":true
    },
+   {
+      "name":"CHC",
+      "code":"CHC",
+      "divisibility":8,
+      "symbol":null,
+      "crypto":true
+   },
    {
       "name":"Satoshis",
       "code":"SATS",