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-rw-r--r--src/wallet/rpcdump.cpp26
-rw-r--r--src/wallet/wallet.cpp44
-rw-r--r--src/wallet/wallet.h3
3 files changed, 51 insertions, 22 deletions
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 09aaf4f747..0fe2412352 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -148,7 +148,7 @@ UniValue importprivkey(const JSONRPCRequest& request)
pwallet->UpdateTimeFirstKey(1);
if (fRescan) {
- pwallet->ScanForWalletTransactions(chainActive.Genesis(), true);
+ pwallet->RescanFromTime(TIMESTAMP_MIN, true /* update */);
}
}
@@ -278,7 +278,7 @@ UniValue importaddress(const JSONRPCRequest& request)
if (fRescan)
{
- pwallet->ScanForWalletTransactions(chainActive.Genesis(), true);
+ pwallet->RescanFromTime(TIMESTAMP_MIN, true /* update */);
pwallet->ReacceptWalletTransactions();
}
@@ -436,7 +436,7 @@ UniValue importpubkey(const JSONRPCRequest& request)
if (fRescan)
{
- pwallet->ScanForWalletTransactions(chainActive.Genesis(), true);
+ pwallet->RescanFromTime(TIMESTAMP_MIN, true /* update */);
pwallet->ReacceptWalletTransactions();
}
@@ -536,11 +536,7 @@ UniValue importwallet(const JSONRPCRequest& request)
file.close();
pwallet->ShowProgress("", 100); // hide progress dialog in GUI
pwallet->UpdateTimeFirstKey(nTimeBegin);
-
- CBlockIndex *pindex = chainActive.FindEarliestAtLeast(nTimeBegin - TIMESTAMP_WINDOW);
-
- LogPrintf("Rescanning last %i blocks\n", pindex ? chainActive.Height() - pindex->nHeight + 1 : 0);
- pwallet->ScanForWalletTransactions(pindex);
+ pwallet->RescanFromTime(nTimeBegin, false /* update */);
pwallet->MarkDirty();
if (!fGood)
@@ -1126,14 +1122,10 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
}
if (fRescan && fRunScan && requests.size()) {
- CBlockIndex* pindex = nLowestTimestamp > minimumTimestamp ? chainActive.FindEarliestAtLeast(std::max<int64_t>(nLowestTimestamp - TIMESTAMP_WINDOW, 0)) : chainActive.Genesis();
- CBlockIndex* scanFailed = nullptr;
- if (pindex) {
- scanFailed = pwallet->ScanForWalletTransactions(pindex, true);
- pwallet->ReacceptWalletTransactions();
- }
+ int64_t scannedTime = pwallet->RescanFromTime(nLowestTimestamp, true /* update */);
+ pwallet->ReacceptWalletTransactions();
- if (scanFailed) {
+ if (scannedTime > nLowestTimestamp) {
std::vector<UniValue> results = response.getValues();
response.clear();
response.setArray();
@@ -1143,7 +1135,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
// range, or if the import result already has an error set, let
// the result stand unmodified. Otherwise replace the result
// with an error message.
- if (GetImportTimestamp(request, now) - TIMESTAMP_WINDOW > scanFailed->GetBlockTimeMax() || results.at(i).exists("error")) {
+ if (scannedTime <= GetImportTimestamp(request, now) || results.at(i).exists("error")) {
response.push_back(results.at(i));
} else {
UniValue result = UniValue(UniValue::VOBJ);
@@ -1159,7 +1151,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
"caused by pruning or data corruption (see bitcoind log for details) and could "
"be dealt with by downloading and rescanning the relevant blocks (see -reindex "
"and -rescan options).",
- GetImportTimestamp(request, now), scanFailed->GetBlockTimeMax(), TIMESTAMP_WINDOW)));
+ GetImportTimestamp(request, now), scannedTime - TIMESTAMP_WINDOW - 1, TIMESTAMP_WINDOW)));
response.push_back(std::move(result));
}
++i;
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index f07a6cb5a5..0d1a86dd24 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -220,6 +220,10 @@ bool CWallet::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigne
return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret);
}
+/**
+ * Update wallet first key creation time. This should be called whenever keys
+ * are added to the wallet, with the oldest key creation time.
+ */
void CWallet::UpdateTimeFirstKey(int64_t nCreateTime)
{
AssertLockHeld(cs_wallet);
@@ -1468,6 +1472,34 @@ void CWalletTx::GetAmounts(std::list<COutputEntry>& listReceived,
}
/**
+ * Scan active chain for relevant transactions after importing keys. This should
+ * be called whenever new keys are added to the wallet, with the oldest key
+ * creation time.
+ *
+ * @return Earliest timestamp that could be successfully scanned from. Timestamp
+ * returned will be higher than startTime if relevant blocks could not be read.
+ */
+int64_t CWallet::RescanFromTime(int64_t startTime, bool update)
+{
+ AssertLockHeld(cs_main);
+ AssertLockHeld(cs_wallet);
+
+ // Find starting block. May be null if nCreateTime is greater than the
+ // highest blockchain timestamp, in which case there is nothing that needs
+ // to be scanned.
+ CBlockIndex* const startBlock = chainActive.FindEarliestAtLeast(startTime - TIMESTAMP_WINDOW);
+ LogPrintf("%s: Rescanning last %i blocks\n", __func__, startBlock ? chainActive.Height() - startBlock->nHeight + 1 : 0);
+
+ if (startBlock) {
+ const CBlockIndex* const failedBlock = ScanForWalletTransactions(startBlock, update);
+ if (failedBlock) {
+ return failedBlock->GetBlockTimeMax() + TIMESTAMP_WINDOW + 1;
+ }
+ }
+ return startTime;
+}
+
+/**
* Scan the block chain (starting in pindexStart) for transactions
* from or to us. If fUpdate is true, found transactions that already
* exist in the wallet will be updated.
@@ -1488,11 +1520,6 @@ CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool f
fAbortRescan = false;
fScanningWallet = true;
- // no need to read and scan block, if block was created before
- // our wallet birthday (as adjusted for block time variability)
- while (pindex && nTimeFirstKey && (pindex->GetBlockTime() < (nTimeFirstKey - TIMESTAMP_WINDOW)))
- pindex = chainActive.Next(pindex);
-
ShowProgress(_("Rescanning..."), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup
double dProgressStart = GuessVerificationProgress(chainParams.TxData(), pindex);
double dProgressTip = GuessVerificationProgress(chainParams.TxData(), chainActive.Tip());
@@ -3881,6 +3908,13 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
uiInterface.InitMessage(_("Rescanning..."));
LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->nHeight, pindexRescan->nHeight);
+
+ // No need to read and scan block if block was created before
+ // our wallet birthday (as adjusted for block time variability)
+ while (pindexRescan && walletInstance->nTimeFirstKey && (pindexRescan->GetBlockTime() < (walletInstance->nTimeFirstKey - TIMESTAMP_WINDOW))) {
+ pindexRescan = chainActive.Next(pindexRescan);
+ }
+
nStart = GetTimeMillis();
walletInstance->ScanForWalletTransactions(pindexRescan, true);
LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart);
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index ad606b8535..6ed955cf58 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -68,6 +68,8 @@ static const bool DEFAULT_USE_HD_WALLET = true;
extern const char * DEFAULT_WALLET_DAT;
+static const int64_t TIMESTAMP_MIN = 0;
+
class CBlockIndex;
class CCoinControl;
class COutput;
@@ -919,6 +921,7 @@ public:
void BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex *pindex, const std::vector<CTransactionRef>& vtxConflicted) override;
void BlockDisconnected(const std::shared_ptr<const CBlock>& pblock) override;
bool AddToWalletIfInvolvingMe(const CTransactionRef& tx, const CBlockIndex* pIndex, int posInBlock, bool fUpdate);
+ int64_t RescanFromTime(int64_t startTime, bool update);
CBlockIndex* ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
void ReacceptWalletTransactions();
void ResendWalletTransactions(int64_t nBestBlockTime, CConnman* connman) override;