chainparams: Add Sapling Bech32 HRPs

src/chainparams.cpp

@@ -153,6 +153,11 @@ public:
         // guarantees the first 2 characters, when base58 encoded, are "SK"
         base58Prefixes[ZCSPENDING_KEY]     = {0xAB,0x36};
 
+        bech32HRPs[SAPLING_PAYMENT_ADDRESS]      = "zs";
+        bech32HRPs[SAPLING_FULL_VIEWING_KEY]     = "zviews";
+        bech32HRPs[SAPLING_INCOMING_VIEWING_KEY] = "zivks";
+        bech32HRPs[SAPLING_SPENDING_KEY]         = "secret-spending-key-main";
+
         vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
 
         fMiningRequiresPeers = true;
@@ -310,6 +315,11 @@ public:
         // guarantees the first 2 characters, when base58 encoded, are "ST"
         base58Prefixes[ZCSPENDING_KEY]     = {0xAC,0x08};
 
+        bech32HRPs[SAPLING_PAYMENT_ADDRESS]      = "ztestsapling";
+        bech32HRPs[SAPLING_FULL_VIEWING_KEY]     = "zviewtestsapling";
+        bech32HRPs[SAPLING_INCOMING_VIEWING_KEY] = "zivktestsapling";
+        bech32HRPs[SAPLING_SPENDING_KEY]         = "secret-spending-key-test";
+
         vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
 
         fMiningRequiresPeers = true;
@@ -429,6 +439,11 @@ public:
         base58Prefixes[ZCVIEWING_KEY]      = {0xA8,0xAC,0x0C};
         base58Prefixes[ZCSPENDING_KEY]     = {0xAC,0x08};
 
+        bech32HRPs[SAPLING_PAYMENT_ADDRESS]      = "zregtestsapling";
+        bech32HRPs[SAPLING_FULL_VIEWING_KEY]     = "zviewregtestsapling";
+        bech32HRPs[SAPLING_INCOMING_VIEWING_KEY] = "zivkregtestsapling";
+        bech32HRPs[SAPLING_SPENDING_KEY]         = "secret-spending-key-regtest";
+
         // Founders reward script expects a vector of 2-of-3 multisig addresses
         vFoundersRewardAddress = { "t2FwcEhFdNXuFMv1tcYwaBJtYVtMj8b1uTg" };
         assert(vFoundersRewardAddress.size() <= consensus.GetLastFoundersRewardBlockHeight());

src/chainparams.h

@@ -56,6 +56,15 @@ public:
         MAX_BASE58_TYPES
     };
 
+    enum Bech32Type {
+        SAPLING_PAYMENT_ADDRESS,
+        SAPLING_FULL_VIEWING_KEY,
+        SAPLING_INCOMING_VIEWING_KEY,
+        SAPLING_SPENDING_KEY,
+
+        MAX_BECH32_TYPES
+    };
+
     const Consensus::Params& GetConsensus() const { return consensus; }
     const CMessageHeader::MessageStartChars& MessageStart() const { return pchMessageStart; }
     const std::vector<unsigned char>& AlertKey() const { return vAlertPubKey; }
@@ -81,6 +90,7 @@ public:
     std::string NetworkIDString() const { return strNetworkID; }
     const std::vector<CDNSSeedData>& DNSSeeds() const { return vSeeds; }
     const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; }
+    const std::string& Bech32HRP(Bech32Type type) const { return bech32HRPs[type]; }
     const std::vector<SeedSpec6>& FixedSeeds() const { return vFixedSeeds; }
     const CCheckpointData& Checkpoints() const { return checkpointData; }
     /** Return the founder's reward address and script for a given block height */
@@ -103,6 +113,7 @@ protected:
     unsigned int nEquihashK = 0;
     std::vector<CDNSSeedData> vSeeds;
     std::vector<unsigned char> base58Prefixes[MAX_BASE58_TYPES];
+    std::string bech32HRPs[MAX_BECH32_TYPES];
     std::string strNetworkID;
     std::string strCurrencyUnits;
     CBlock genesis;