From 749977cbb5ae89a00553f81b25c55b42d5c45843 Mon Sep 17 00:00:00 2001
From: Reese Russell <admin@qrsnap.io>
Date: Sun, 29 Sep 2024 05:32:37 +0000
Subject: [PATCH] Include Base58 encoded prefixes in chainparams

---
 src/kernel/chainparams.cpp | 30 ++++++++++++++++++++++++++++++
 src/kernel/chainparams.h   |  2 ++
 2 files changed, 32 insertions(+)

diff --git a/src/kernel/chainparams.cpp b/src/kernel/chainparams.cpp
index 0f128d4c56..5e2a24124e 100644
--- a/src/kernel/chainparams.cpp
+++ b/src/kernel/chainparams.cpp
@@ -160,6 +160,12 @@ public:
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
 
+        base58EncodedPrefixes[PUBKEY_ADDRESS] = {"1"};
+        base58EncodedPrefixes[SCRIPT_ADDRESS] = {"3"};
+        base58EncodedPrefixes[SECRET_KEY] =     {"5","K","L"};
+        base58EncodedPrefixes[EXT_PUBLIC_KEY] = {"xpub"};
+        base58EncodedPrefixes[EXT_SECRET_KEY] = {"xpriv"};
+
         bech32_hrp = "bc";
 
         vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
@@ -273,6 +279,12 @@ public:
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
 
+        base58EncodedPrefixes[PUBKEY_ADDRESS] = {"m","n"};
+        base58EncodedPrefixes[SCRIPT_ADDRESS] = {"2"};
+        base58EncodedPrefixes[SECRET_KEY] =     {"9","c"};
+        base58EncodedPrefixes[EXT_PUBLIC_KEY] = {"tpub"};
+        base58EncodedPrefixes[EXT_SECRET_KEY] = {"tpriv"};
+
         bech32_hrp = "tb";
 
         vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
@@ -377,6 +389,12 @@ public:
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
 
+        base58EncodedPrefixes[PUBKEY_ADDRESS] = {"m","n"};
+        base58EncodedPrefixes[SCRIPT_ADDRESS] = {"2"};
+        base58EncodedPrefixes[SECRET_KEY] =     {"9","c"};
+        base58EncodedPrefixes[EXT_PUBLIC_KEY] = {"tpub"};
+        base58EncodedPrefixes[EXT_SECRET_KEY] = {"tpriv"};
+
         bech32_hrp = "tb";
 
         vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_testnet4), std::end(chainparams_seed_testnet4));
@@ -511,6 +529,12 @@ public:
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
 
+        base58EncodedPrefixes[PUBKEY_ADDRESS] = {"m","n"};
+        base58EncodedPrefixes[SCRIPT_ADDRESS] = {"2"};
+        base58EncodedPrefixes[SECRET_KEY] =     {"9","c"};
+        base58EncodedPrefixes[EXT_PUBLIC_KEY] = {"tpub"};
+        base58EncodedPrefixes[EXT_SECRET_KEY] = {"tpriv"};
+
         bech32_hrp = "tb";
 
         fDefaultConsistencyChecks = false;
@@ -648,6 +672,12 @@ public:
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
 
+        base58EncodedPrefixes[PUBKEY_ADDRESS] = {"m","n"};
+        base58EncodedPrefixes[SCRIPT_ADDRESS] = {"2"};
+        base58EncodedPrefixes[SECRET_KEY] =     {"9","c"};
+        base58EncodedPrefixes[EXT_PUBLIC_KEY] = {"tpub"};
+        base58EncodedPrefixes[EXT_SECRET_KEY] = {"tpriv"};
+
         bech32_hrp = "bcrt";
     }
 };
diff --git a/src/kernel/chainparams.h b/src/kernel/chainparams.h
index 8b180f3981..929293f129 100644
--- a/src/kernel/chainparams.h
+++ b/src/kernel/chainparams.h
@@ -118,6 +118,7 @@ public:
     /** Return the list of hostnames to look up for DNS seeds */
     const std::vector<std::string>& DNSSeeds() const { return vSeeds; }
     const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; }
+    const std::vector<std::string_view>& Base58EncodedPrefix(Base58Type type) const { return base58EncodedPrefixes[type]; }
     const std::string& Bech32HRP() const { return bech32_hrp; }
     const std::vector<uint8_t>& FixedSeeds() const { return vFixedSeeds; }
     const CCheckpointData& Checkpoints() const { return checkpointData; }
@@ -176,6 +177,7 @@ protected:
     uint64_t m_assumed_chain_state_size;
     std::vector<std::string> vSeeds;
     std::vector<unsigned char> base58Prefixes[MAX_BASE58_TYPES];
+    std::vector<std::string_view> base58EncodedPrefixes[MAX_BASE58_TYPES];
     std::string bech32_hrp;
     ChainType m_chain_type;
     CBlock genesis;