Wallet: store key creation time. Calculate whole-wallet birthday.

This also encapsulate wallet-read state information into CWalletScanState.

1 files changed, 22 insertions, 5 deletions

diff --git a/src/wallet.cpp b/src/wallet.cpp
index 7041d49dab..aa13711110 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -45,20 +45,33 @@ CPubKey CWallet::GenerateNewKey()
     return pubkey;
 }
 
-bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
+bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey,
+                           int64 nCreateTime)
 {
+    if (!nCreateTime)
+        nCreateTime = GetTime();
+    if (!nTimeFirstKey || (nCreateTime < nTimeFirstKey))
+        nTimeFirstKey = nCreateTime;
     if (!CCryptoKeyStore::AddKeyPubKey(secret, pubkey))
         return false;
     if (!fFileBacked)
         return true;
     if (!IsCrypted()) {
-        return CWalletDB(strWalletFile).WriteKey(pubkey, secret.GetPrivKey());
+        return CWalletDB(strWalletFile).WriteKey(pubkey,
+                                                 secret.GetPrivKey(),
+                                                 nCreateTime);
     }
     return true;
 }
 
-bool CWallet::AddCryptedKey(const CPubKey &vchPubKey, const vector<unsigned char> &vchCryptedSecret)
+bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
+                            const vector<unsigned char> &vchCryptedSecret,
+                            int64 nCreateTime)
 {
+    if (!nCreateTime)
+        nCreateTime = GetTime();
+    if (!nTimeFirstKey || (nCreateTime < nTimeFirstKey))
+        nTimeFirstKey = nCreateTime;
     if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
         return false;
     if (!fFileBacked)
@@ -66,9 +79,13 @@ bool CWallet::AddCryptedKey(const CPubKey &vchPubKey, const vector<unsigned char
     {
         LOCK(cs_wallet);
         if (pwalletdbEncryption)
-            return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret);
+            return pwalletdbEncryption->WriteCryptedKey(vchPubKey,
+                                                        vchCryptedSecret,
+                                                        nCreateTime);
         else
-            return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret);
+            return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey,
+                                                            vchCryptedSecret,
+                                                            nCreateTime);
     }
     return false;
 }