Add Syscoin support

packages/common/src/data/mock-entities.js

@@ -91,6 +91,19 @@ const mockCurrencies: CurrencyEntity[] = [
         magnitude: 8
       }
     ]
+  },
+  {
+      name: "syscoin",
+      family: "Syscoin",
+      color: "#008dd1",
+      units: [
+          {
+              name: "Syscoin",
+              code: "SYS",
+              symbol: "SYS",
+              magnitude: 8
+          }
+      ]
   }
 ];
 

packages/currencies/src/coinTypeToIconName.js

@@ -8,6 +8,7 @@ export default {
   "79": "clubcoin",
   "5": "dash",
   "42": "decred",
+  "57": "syscoin",
   "20": "digibyte",
   "3": "dogecoin",
   "61": "ethereumClassic",

packages/currencies/src/data/cryptocurrencies.js

@@ -261,6 +261,35 @@ const cryptocurrenciesArray: Currency[] = [
       }
     ]
   },
+  {
+      coinType: 57,
+      name: "Syscoin",
+      ticker: "SYS",
+      scheme: "syscoin",
+      apiName: "sys",
+      color: "#008dd1",
+      xpub: 0x0488B21E,
+      isSegwitSupported: false,
+      handleFeePerByte: false,
+      areTransactionTimestamped: false,
+      bitcoinjs: {
+          messagePrefix: "Syscoin Signed Message:",
+          bip32: {
+              private: 76066276,
+              public: 76067358
+          },
+          pubKeyHash: 63,
+          scriptHash: 5,
+          wif: 128
+      },
+      units: [
+          {
+              name: "syscoin",
+              code: "SYS",
+              magnitude: 8
+          }
+      ]
+  },
   {
     coinType: 105,
     name: "Stratis",