Refactor keymetadata writing to a separate method

Author: achow101

src/wallet/walletdb.cpp

@@ -57,9 +57,14 @@ bool WalletBatch::EraseTx(uint256 hash)
     return EraseIC(std::make_pair(std::string("tx"), hash));
 }
 
+bool WalletBatch::WriteKeyMetadata(const CKeyMetadata& meta, const CPubKey& pubkey, const bool overwrite)
+{
+    return WriteIC(std::make_pair(std::string("keymeta"), pubkey), meta, overwrite);
+}
+
 bool WalletBatch::WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, const CKeyMetadata& keyMeta)
 {
-    if (!WriteIC(std::make_pair(std::string("keymeta"), vchPubKey), keyMeta, false)) {
+    if (!WriteKeyMetadata(keyMeta, vchPubKey, false)) {
         return false;
     }
 
@@ -76,7 +81,7 @@ bool WalletBatch::WriteCryptedKey(const CPubKey& vchPubKey,
                                 const std::vector<unsigned char>& vchCryptedSecret,
                                 const CKeyMetadata &keyMeta)
 {
-    if (!WriteIC(std::make_pair(std::string("keymeta"), vchPubKey), keyMeta)) {
+    if (!WriteKeyMetadata(keyMeta, vchPubKey, true)) {
         return false;
     }
 

src/wallet/walletdb.h

@@ -177,6 +177,7 @@ class WalletBatch
     bool WriteTx(const CWalletTx& wtx);
     bool EraseTx(uint256 hash);
 
+    bool WriteKeyMetadata(const CKeyMetadata& meta, const CPubKey& pubkey, const bool overwrite);
     bool WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, const CKeyMetadata &keyMeta);
     bool WriteCryptedKey(const CPubKey& vchPubKey, const std::vector<unsigned char>& vchCryptedSecret, const CKeyMetadata &keyMeta);
     bool WriteMasterKey(unsigned int nID, const CMasterKey& kMasterKey);