[Wallet] Watch-only fixes

src/keystore.cpp

@@ -67,6 +67,13 @@ bool CBasicKeyStore::AddWatchOnly(const CScript &dest)
     return true;
 }
 
+bool CBasicKeyStore::RemoveWatchOnly(const CScript &dest)
+{
+    LOCK(cs_KeyStore);
+    setWatchOnly.erase(dest);
+    return true;
+}
+
 bool CBasicKeyStore::HaveWatchOnly(const CScript &dest) const
 {
     LOCK(cs_KeyStore);

src/keystore.h

@@ -40,6 +40,7 @@ public:
 
     // Support for Watch-only addresses
     virtual bool AddWatchOnly(const CScript &dest) =0;
+    virtual bool RemoveWatchOnly(const CScript &dest) =0;
     virtual bool HaveWatchOnly(const CScript &dest) const =0;
     virtual bool HaveWatchOnly() const =0;
 };
@@ -98,6 +99,7 @@ public:
     virtual bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const;
 
     virtual bool AddWatchOnly(const CScript &dest);
+    virtual bool RemoveWatchOnly(const CScript &dest);
     virtual bool HaveWatchOnly(const CScript &dest) const;
     virtual bool HaveWatchOnly() const;
 };

src/qt/transactionrecord.cpp

@@ -32,7 +32,7 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *
 {
     QList<TransactionRecord> parts;
     int64_t nTime = wtx.GetTxTime();
-    CAmount nCredit = wtx.GetCredit(true);
+    CAmount nCredit = wtx.GetCredit(ISMINE_ALL);
     CAmount nDebit = wtx.GetDebit(ISMINE_ALL);
     CAmount nNet = nCredit - nDebit;
     uint256 hash = wtx.GetHash();

src/qt/walletmodel.cpp

@@ -605,6 +605,7 @@ void WalletModel::listCoins(std::map<QString, std::vector<COutput> >& mapCoins)
         int nDepth = wallet->mapWallet[outpoint.hash].GetDepthInMainChain();
         if (nDepth < 0) continue;
         COutput out(&wallet->mapWallet[outpoint.hash], outpoint.n, nDepth, true);
+        if (outpoint.n < out.tx->vout.size() && wallet->IsMine(out.tx->vout[outpoint.n]) == ISMINE_SPENDABLE)
             vCoins.push_back(out);
     }
 

src/rpcdump.cpp

@@ -114,8 +114,6 @@ Value importprivkey(const Array& params, bool fHelp)
     CPubKey pubkey = key.GetPubKey();
     CKeyID vchAddress = pubkey.GetID();
     {
-        LOCK2(cs_main, pwalletMain->cs_wallet);
-
         pwalletMain->MarkDirty();
         pwalletMain->SetAddressBook(vchAddress, strLabel, "receive");
 
@@ -181,7 +179,8 @@ Value importaddress(const Array& params, bool fHelp)
         fRescan = params[2].get_bool();
 
     {
-        LOCK2(cs_main, pwalletMain->cs_wallet);
+        if (::IsMine(*pwalletMain, script) == ISMINE_SPENDABLE)
+            throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
 
         // add to address book or update label
         if (address.IsValid())

src/rpcwallet.cpp

@@ -1539,7 +1539,7 @@ Value gettransaction(const Array& params, bool fHelp)
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id");
     const CWalletTx& wtx = pwalletMain->mapWallet[hash];
 
-    CAmount nCredit = wtx.GetCredit(filter != 0);
+    CAmount nCredit = wtx.GetCredit(filter);
     CAmount nDebit = wtx.GetDebit(filter);
     CAmount nNet = nCredit - nDebit;
     CAmount nFee = (wtx.IsFromMe(filter) ? wtx.GetValueOut() - nDebit : 0);

src/wallet.cpp

@@ -87,6 +87,13 @@ bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
     AssertLockHeld(cs_wallet); // mapKeyMetadata
     if (!CCryptoKeyStore::AddKeyPubKey(secret, pubkey))
         return false;
+
+    // check if we need to remove from watch-only
+    CScript script;
+    script = GetScriptForDestination(pubkey.GetID());
+    if (HaveWatchOnly(script))
+        RemoveWatchOnly(script);
+
     if (!fFileBacked)
         return true;
     if (!IsCrypted()) {
@@ -169,6 +176,20 @@ bool CWallet::AddWatchOnly(const CScript &dest)
     return CWalletDB(strWalletFile).WriteWatchOnly(dest);
 }
 
+bool CWallet::RemoveWatchOnly(const CScript &dest)
+{
+    AssertLockHeld(cs_wallet);
+    if (!CCryptoKeyStore::RemoveWatchOnly(dest))
+        return false;
+    if (!HaveWatchOnly())
+        NotifyWatchonlyChanged(false);
+    if (fFileBacked)
+        if (!CWalletDB(strWalletFile).EraseWatchOnly(dest))
+            return false;
+
+    return true;
+}
+
 bool CWallet::LoadWatchOnly(const CScript &dest)
 {
     return CCryptoKeyStore::AddWatchOnly(dest);

src/wallet.h

@@ -222,6 +222,7 @@ public:
 
     // Adds a watch-only address to the store, and saves it to disk.
     bool AddWatchOnly(const CScript &dest);
+    bool RemoveWatchOnly(const CScript &dest);
     // Adds a watch-only address to the store, without saving it to disk (used by LoadWallet)
     bool LoadWatchOnly(const CScript &dest);
 
@@ -701,18 +702,37 @@ public:
         return debit;
     }
 
-    CAmount GetCredit(bool fUseCache=true) const
+    CAmount GetCredit(const isminefilter& filter) const
     {
         // Must wait until coinbase is safely deep enough in the chain before valuing it
         if (IsCoinBase() && GetBlocksToMaturity() > 0)
             return 0;
 
+        int64_t credit = 0;
+        if (filter & ISMINE_SPENDABLE)
+        {
             // GetBalance can assume transactions in mapWallet won't change
-        if (fUseCache && fCreditCached)
-            return nCreditCached;
-        nCreditCached = pwallet->GetCredit(*this, ISMINE_ALL);
+            if (fCreditCached)
+                credit += nCreditCached;
+            else
+            {
+                nCreditCached = pwallet->GetCredit(*this, ISMINE_SPENDABLE);
                 fCreditCached = true;
-        return nCreditCached;
+                credit += nCreditCached;
+            }
+        }
+        if (filter & ISMINE_WATCH_ONLY)
+        {
+            if (fWatchCreditCached)
+                credit += nWatchCreditCached;
+            else
+            {
+                nWatchCreditCached = pwallet->GetCredit(*this, ISMINE_WATCH_ONLY);
+                fWatchCreditCached = true;
+                credit += nWatchCreditCached;
+            }
+        }
+        return credit;
     }
 
     CAmount GetImmatureCredit(bool fUseCache=true) const

src/walletdb.cpp

@@ -121,6 +121,12 @@ bool CWalletDB::WriteWatchOnly(const CScript &dest)
     return Write(std::make_pair(std::string("watchs"), dest), '1');
 }
 
+bool CWalletDB::EraseWatchOnly(const CScript &dest)
+{
+    nWalletDBUpdated++;
+    return Erase(std::make_pair(std::string("watchs"), dest));
+}
+
 bool CWalletDB::WriteBestBlock(const CBlockLocator& locator)
 {
     nWalletDBUpdated++;

src/walletdb.h

@@ -96,6 +96,7 @@ public:
     bool WriteCScript(const uint160& hash, const CScript& redeemScript);
 
     bool WriteWatchOnly(const CScript &script);
+    bool EraseWatchOnly(const CScript &script);
 
     bool WriteBestBlock(const CBlockLocator& locator);
     bool ReadBestBlock(CBlockLocator& locator);