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-rw-r--r--src/wallet/wallet.cpp112
1 files changed, 70 insertions, 42 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 02de3cceed..0d1a86dd24 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -205,7 +205,6 @@ bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
vchCryptedSecret,
mapKeyMetadata[vchPubKey.GetID()]);
}
- return false;
}
bool CWallet::LoadKeyMetadata(const CTxDestination& keyID, const CKeyMetadata &meta)
@@ -221,6 +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);
@@ -1469,6 +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.
@@ -1489,11 +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());
@@ -2534,7 +2560,8 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
assert(txNew.nLockTime <= (unsigned int)chainActive.Height());
assert(txNew.nLockTime < LOCKTIME_THRESHOLD);
-
+ FeeCalculation feeCalc;
+ unsigned int nBytes;
{
std::set<CInputCoin> setCoins;
LOCK2(cs_main, cs_wallet);
@@ -2633,28 +2660,6 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
CTxOut newTxOut(nChange, scriptChange);
- // We do not move dust-change to fees, because the sender would end up paying more than requested.
- // This would be against the purpose of the all-inclusive feature.
- // So instead we raise the change and deduct from the recipient.
- if (nSubtractFeeFromAmount > 0 && IsDust(newTxOut, ::dustRelayFee))
- {
- CAmount nDust = GetDustThreshold(newTxOut, ::dustRelayFee) - newTxOut.nValue;
- newTxOut.nValue += nDust; // raise change until no more dust
- for (unsigned int i = 0; i < vecSend.size(); i++) // subtract from first recipient
- {
- if (vecSend[i].fSubtractFeeFromAmount)
- {
- txNew.vout[i].nValue -= nDust;
- if (IsDust(txNew.vout[i], ::dustRelayFee))
- {
- strFailReason = _("The transaction amount is too small to send after the fee has been deducted");
- return false;
- }
- break;
- }
- }
- }
-
// Never create dust outputs; if we would, just
// add the dust to the fee.
if (IsDust(newTxOut, ::dustRelayFee))
@@ -2706,9 +2711,7 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
return false;
}
- unsigned int nBytes = GetVirtualTransactionSize(txNew);
-
- CTransaction txNewConst(txNew);
+ nBytes = GetVirtualTransactionSize(txNew);
// Remove scriptSigs to eliminate the fee calculation dummy signatures
for (auto& vin : txNew.vin) {
@@ -2721,7 +2724,7 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
if (coinControl && coinControl->nConfirmTarget > 0)
currentConfirmationTarget = coinControl->nConfirmTarget;
- CAmount nFeeNeeded = GetMinimumFee(nBytes, currentConfirmationTarget, ::mempool, ::feeEstimator);
+ CAmount nFeeNeeded = GetMinimumFee(nBytes, currentConfirmationTarget, ::mempool, ::feeEstimator, &feeCalc);
if (coinControl && coinControl->fOverrideFeeRate)
nFeeNeeded = coinControl->nFeeRate.GetFee(nBytes);
@@ -2818,6 +2821,15 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
return false;
}
}
+
+ LogPrintf("Fee Calculation: Fee:%d Bytes:%u Tgt:%d (requested %d) Reason:\"%s\" Decay %.5f: Estimation: (%g - %g) %.2f%% %.1f/(%.1f %d mem %.1f out) Fail: (%g - %g) %.2f%% %.1f/(%.1f %d mem %.1f out)\n",
+ nFeeRet, nBytes, feeCalc.returnedTarget, feeCalc.desiredTarget, StringForFeeReason(feeCalc.reason), feeCalc.est.decay,
+ feeCalc.est.pass.start, feeCalc.est.pass.end,
+ 100 * feeCalc.est.pass.withinTarget / (feeCalc.est.pass.totalConfirmed + feeCalc.est.pass.inMempool + feeCalc.est.pass.leftMempool),
+ feeCalc.est.pass.withinTarget, feeCalc.est.pass.totalConfirmed, feeCalc.est.pass.inMempool, feeCalc.est.pass.leftMempool,
+ feeCalc.est.fail.start, feeCalc.est.fail.end,
+ 100 * feeCalc.est.fail.withinTarget / (feeCalc.est.fail.totalConfirmed + feeCalc.est.fail.inMempool + feeCalc.est.fail.leftMempool),
+ feeCalc.est.fail.withinTarget, feeCalc.est.fail.totalConfirmed, feeCalc.est.fail.inMempool, feeCalc.est.fail.leftMempool);
return true;
}
@@ -2893,23 +2905,32 @@ CAmount CWallet::GetRequiredFee(unsigned int nTxBytes)
return std::max(minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes));
}
-CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, bool ignoreGlobalPayTxFee)
+CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc, bool ignoreGlobalPayTxFee)
{
// payTxFee is the user-set global for desired feerate
CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes);
// User didn't set: use -txconfirmtarget to estimate...
if (nFeeNeeded == 0 || ignoreGlobalPayTxFee) {
- int estimateFoundTarget = nConfirmTarget;
- nFeeNeeded = estimator.estimateSmartFee(nConfirmTarget, &estimateFoundTarget, pool).GetFee(nTxBytes);
+ nFeeNeeded = estimator.estimateSmartFee(nConfirmTarget, feeCalc, pool, true).GetFee(nTxBytes);
// ... unless we don't have enough mempool data for estimatefee, then use fallbackFee
- if (nFeeNeeded == 0)
+ if (nFeeNeeded == 0) {
nFeeNeeded = fallbackFee.GetFee(nTxBytes);
+ if (feeCalc) feeCalc->reason = FeeReason::FALLBACK;
+ }
+ } else {
+ if (feeCalc) feeCalc->reason = FeeReason::PAYTXFEE;
}
// prevent user from paying a fee below minRelayTxFee or minTxFee
- nFeeNeeded = std::max(nFeeNeeded, GetRequiredFee(nTxBytes));
+ CAmount requiredFee = GetRequiredFee(nTxBytes);
+ if (requiredFee > nFeeNeeded) {
+ nFeeNeeded = requiredFee;
+ if (feeCalc) feeCalc->reason = FeeReason::REQUIRED;
+ }
// But always obey the maximum
- if (nFeeNeeded > maxTxFee)
+ if (nFeeNeeded > maxTxFee) {
nFeeNeeded = maxTxFee;
+ if (feeCalc) feeCalc->reason = FeeReason::MAXTXFEE;
+ }
return nFeeNeeded;
}
@@ -3847,11 +3868,11 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
else if (IsArgSet("-usehd")) {
bool useHD = GetBoolArg("-usehd", DEFAULT_USE_HD_WALLET);
if (walletInstance->IsHDEnabled() && !useHD) {
- InitError(strprintf(_("Error loading %s: You can't disable HD on a already existing HD wallet"), walletFile));
+ InitError(strprintf(_("Error loading %s: You can't disable HD on an already existing HD wallet"), walletFile));
return NULL;
}
if (!walletInstance->IsHDEnabled() && useHD) {
- InitError(strprintf(_("Error loading %s: You can't enable HD on a already existing non-HD wallet"), walletFile));
+ InitError(strprintf(_("Error loading %s: You can't enable HD on an already existing non-HD wallet"), walletFile));
return NULL;
}
}
@@ -3871,7 +3892,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
if (chainActive.Tip() && chainActive.Tip() != pindexRescan)
{
//We can't rescan beyond non-pruned blocks, stop and throw an error
- //this might happen if a user uses a old wallet within a pruned node
+ //this might happen if a user uses an old wallet within a pruned node
// or if he ran -disablewallet for a longer time, then decided to re-enable
if (fPruneMode)
{
@@ -3887,6 +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);