[refactor] manually change remaining instances of master key to seed.

src/wallet/rpcdump.cpp

@@ -755,10 +755,10 @@ UniValue dumpwallet(const JSONRPCRequest& request)
     CKeyID seed_id = pwallet->GetHDChain().seed_id;
     if (!seed_id.IsNull())
     {
-        CKey key;
+        CKey seed;
-        if (pwallet->GetKey(seed_id, key)) {
+        if (pwallet->GetKey(seed_id, seed)) {
             CExtKey masterKey;
-            masterKey.SetSeed(key.begin(), key.size());
+            masterKey.SetSeed(seed.begin(), seed.size());
 
             file << "# extended private masterkey: " << EncodeExtKey(masterKey) << "\n\n";
         }
@@ -777,8 +777,8 @@ UniValue dumpwallet(const JSONRPCRequest& request)
                 file << "hdseed=1";
             } else if (mapKeyPool.count(keyid)) {
                 file << "reserve=1";
-            } else if (pwallet->mapKeyMetadata[keyid].hdKeypath == "m") {
+            } else if (pwallet->mapKeyMetadata[keyid].hdKeypath == "s") {
-                file << "inactivehdmaster=1";
+                file << "inactivehdseed=1";
             } else {
                 file << "change=1";
             }

src/wallet/rpcwallet.cpp

@@ -2925,7 +2925,7 @@ static UniValue getwalletinfo(const JSONRPCRequest& request)
             "  \"keypoolsize_hd_internal\": xxxx, (numeric) how many new keys are pre-generated for internal use (used for change outputs, only appears if the wallet is using this feature, otherwise external keys are used)\n"
             "  \"unlocked_until\": ttt,           (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
             "  \"paytxfee\": x.xxxx,              (numeric) the transaction fee configuration, set in " + CURRENCY_UNIT + "/kB\n"
-            "  \"hdseedid\": \"<hash160>\"     (string, optional) the Hash160 of the HD master pubkey (only present when HD is enabled)\n"
+            "  \"hdseedid\": \"<hash160>\"          (string, optional) the Hash160 of the HD seed (only present when HD is enabled)\n"
             "}\n"
             "\nExamples:\n"
             + HelpExampleCli("getwalletinfo", "")
@@ -3954,7 +3954,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
             "  \"account\" : \"account\"         (string) DEPRECATED. This field will be removed in V0.18. To see this deprecated field, start bitcoind with -deprecatedrpc=accounts. The account associated with the address, \"\" is the default account\n"
             "  \"timestamp\" : timestamp,      (number, optional) The creation time of the key if available in seconds since epoch (Jan 1 1970 GMT)\n"
             "  \"hdkeypath\" : \"keypath\"       (string, optional) The HD keypath if the key is HD and available\n"
-            "  \"hdseedid\" : \"<hash160>\" (string, optional) The Hash160 of the HD master pubkey\n"
+            "  \"hdseedid\" : \"<hash160>\"      (string, optional) The Hash160 of the HD seed\n"
             "  \"labels\"                      (object) Array of labels associated with the address.\n"
             "    [\n"
             "      { (json object of label data)\n"

src/wallet/wallet.cpp

@@ -191,17 +191,17 @@ CPubKey CWallet::GenerateNewKey(WalletBatch &batch, bool internal)
 void CWallet::DeriveNewChildKey(WalletBatch &batch, CKeyMetadata& metadata, CKey& secret, bool internal)
 {
     // for now we use a fixed keypath scheme of m/0'/0'/k
-    CKey key;                      //master key seed (256bit)
+    CKey seed;                     //seed (256bit)
     CExtKey masterKey;             //hd master key
     CExtKey accountKey;            //key at m/0'
     CExtKey chainChildKey;         //key at m/0'/0' (external) or m/0'/1' (internal)
     CExtKey childKey;              //key at m/0'/0'/<n>'
 
-    // try to get the master key
+    // try to get the seed
-    if (!GetKey(hdChain.seed_id, key))
+    if (!GetKey(hdChain.seed_id, seed))
-        throw std::runtime_error(std::string(__func__) + ": Master key not found");
+        throw std::runtime_error(std::string(__func__) + ": seed not found");
 
-    masterKey.SetSeed(key.begin(), key.size());
+    masterKey.SetSeed(seed.begin(), seed.size());
 
     // derive m/0'
     // use hardened derivation (child keys >= 0x80000000 are hardened after bip32)
@@ -689,7 +689,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
         Lock();
         Unlock(strWalletPassphrase);
 
-        // if we are using HD, replace the HD master key (seed) with a new one
+        // if we are using HD, replace the HD seed with a new one
         if (IsHDEnabled()) {
             if (!SetHDSeed(GenerateNewSeed())) {
                 return false;
@@ -1462,29 +1462,29 @@ CPubKey CWallet::DeriveNewSeed(const CKey& key)
     int64_t nCreationTime = GetTime();
     CKeyMetadata metadata(nCreationTime);
 
-    // calculate the pubkey
+    // calculate the seed
-    CPubKey pubkey = key.GetPubKey();
+    CPubKey seed = key.GetPubKey();
-    assert(key.VerifyPubKey(pubkey));
+    assert(key.VerifyPubKey(seed));
 
-    // set the hd keypath to "m" -> Master, refers the masterkeyid to itself
+    // set the hd keypath to "s" -> Seed, refers the seed to itself
-    metadata.hdKeypath     = "m";
+    metadata.hdKeypath     = "s";
-    metadata.hd_seed_id = pubkey.GetID();
+    metadata.hd_seed_id = seed.GetID();
 
     {
         LOCK(cs_wallet);
 
         // mem store the metadata
-        mapKeyMetadata[pubkey.GetID()] = metadata;
+        mapKeyMetadata[seed.GetID()] = metadata;
 
         // write the key&metadata to the database
-        if (!AddKeyPubKey(key, pubkey))
+        if (!AddKeyPubKey(key, seed))
             throw std::runtime_error(std::string(__func__) + ": AddKeyPubKey failed");
     }
 
-    return pubkey;
+    return seed;
 }
 
-bool CWallet::SetHDSeed(const CPubKey& pubkey)
+bool CWallet::SetHDSeed(const CPubKey& seed)
 {
     LOCK(cs_wallet);
     // store the keyid (hash160) together with
@@ -1492,7 +1492,7 @@ bool CWallet::SetHDSeed(const CPubKey& pubkey)
     // as a hdchain object
     CHDChain newHdChain;
     newHdChain.nVersion = CanSupportFeature(FEATURE_HD_SPLIT) ? CHDChain::VERSION_HD_CHAIN_SPLIT : CHDChain::VERSION_HD_BASE;
-    newHdChain.seed_id = pubkey.GetID();
+    newHdChain.seed_id = seed.GetID();
     SetHDChain(newHdChain, false);
 
     return true;
@@ -4164,10 +4164,10 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path&
         }
         walletInstance->SetMinVersion(FEATURE_LATEST);
 
-        // generate a new master key
+        // generate a new seed
-        CPubKey masterPubKey = walletInstance->GenerateNewSeed();
+        CPubKey seed = walletInstance->GenerateNewSeed();
-        if (!walletInstance->SetHDSeed(masterPubKey))
+        if (!walletInstance->SetHDSeed(seed))
-            throw std::runtime_error(std::string(__func__) + ": Storing master key failed");
+            throw std::runtime_error(std::string(__func__) + ": Storing HD seed failed");
 
         // Top up the keypool
         if (!walletInstance->TopUpKeyPool()) {

src/wallet/wallet.h

@@ -1139,14 +1139,14 @@ public:
     /* Returns true if HD is enabled */
     bool IsHDEnabled() const;
 
-    /* Generates a new HD master key (will not be activated) */
+    /* Generates a new HD seed (will not be activated) */
     CPubKey GenerateNewSeed();
 
     /* Derives a new HD master key (will not be activated) */
     CPubKey DeriveNewSeed(const CKey& key);
 
-    /* Set the current HD master key (will reset the chain child index counters)
+    /* Set the current HD seed (will reset the chain child index counters)
-       Sets the master key's version based on the current wallet version (so the
+       Sets the seed's version based on the current wallet version (so the
        caller must ensure the current wallet version is correct before calling
        this function). */
     bool SetHDSeed(const CPubKey& key);

src/wallet/walletdb.h

@@ -62,7 +62,7 @@ class CHDChain
 public:
     uint32_t nExternalChainCounter;
     uint32_t nInternalChainCounter;
-    CKeyID seed_id; //!< master key hash160
+    CKeyID seed_id; //!< seed hash160
 
     static const int VERSION_HD_BASE        = 1;
     static const int VERSION_HD_CHAIN_SPLIT = 2;
@@ -99,7 +99,7 @@ public:
     int nVersion;
     int64_t nCreateTime; // 0 means unknown
     std::string hdKeypath; //optional HD/bip32 keypath
-    CKeyID hd_seed_id; //id of the HD masterkey used to derive this key
+    CKeyID hd_seed_id; //id of the HD seed used to derive this key
 
     CKeyMetadata()
     {

test/functional/wallet_dump.py

@@ -36,7 +36,7 @@ def read_dump(file_name, addrs, script_addrs, hd_master_addr_old):
                     addr_keypath = comment.split(" addr=")[1]
                     addr = addr_keypath.split(" ")[0]
                     keypath = None
-                    if keytype == "inactivehdmaster=1":
+                    if keytype == "inactivehdseed=1":
                         # ensure the old master is still available
                         assert(hd_master_addr_old == addr)
                     elif keytype == "hdseed=1":