Add Base58 encoding of viewing keys

src/chainparams.cpp

@@ -110,6 +110,8 @@ public:
         base58Prefixes[EXT_SECRET_KEY]     = {0x04,0x88,0xAD,0xE4};
         // guarantees the first 2 characters, when base58 encoded, are "zc"
         base58Prefixes[ZCPAYMENT_ADDRRESS] = {0x16,0x9A};
+        // guarantees the first 4 characters, when base58 encoded, are "ZiVK"
+        base58Prefixes[ZCVIEWING_KEY]      = {0xA8,0xAB,0xD3};
         // guarantees the first 2 characters, when base58 encoded, are "SK"
         base58Prefixes[ZCSPENDING_KEY]     = {0xAB,0x36};
 
@@ -241,6 +243,8 @@ public:
         base58Prefixes[EXT_SECRET_KEY]     = {0x04,0x35,0x83,0x94};
         // guarantees the first 2 characters, when base58 encoded, are "zt"
         base58Prefixes[ZCPAYMENT_ADDRRESS] = {0x16,0xB6};
+        // guarantees the first 4 characters, when base58 encoded, are "ZiVt"
+        base58Prefixes[ZCVIEWING_KEY]      = {0xA8,0xAC,0x0C};
         // guarantees the first 2 characters, when base58 encoded, are "ST"
         base58Prefixes[ZCSPENDING_KEY]     = {0xAC,0x08};