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Few fixes related to SelectCoinsGroupedByAddresses (#3144)

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* Fix cache usage in SelectCoinsGroupedByAddresses

* Reset cache flags in SelectCoinsGroupedByAddresses when a block is (dis)connected

* MakeCollateralAmounts should call SelectCoinsGroupedByAddresses with a limited number of inputs
This commit is contained in:
UdjinM6 2019-10-17 12:36:18 +03:00 committed by Alexander Block
parent 1acd4742c4
commit db7f471c7d
2 changed files with 11 additions and 5 deletions
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6
src/privatesend-client.cpp
View File

@ -1423,8 +1423,12 @@ bool CPrivateSendClientSession::MakeCollateralAmounts(CConnman& connman)
{
if (!pwalletMain) return false;
// NOTE: We do not allow txes larger than 100kB, so we have to limit number of inputs here.
// We still want to consume a lot of inputs to avoid creating only smaller denoms though.
// Knowing that each CTxIn is at least 148b big, 400 inputs should take 400 x ~148b = ~60kB.
// This still leaves more than enough room for another data of typical MakeCollateralAmounts tx.
std::vector<CompactTallyItem> vecTally;
if (!pwalletMain->SelectCoinsGroupedByAddresses(vecTally, false, false)) {
if (!pwalletMain->SelectCoinsGroupedByAddresses(vecTally, false, false, true, 400)) {
LogPrint("privatesend", "CPrivateSendClientSession::MakeCollateralAmounts -- SelectCoinsGroupedByAddresses can't find any inputs!\n");
return false;
}

10
src/wallet/wallet.cpp
View File

@ -3002,8 +3002,9 @@ bool CWallet::SelectCoinsGroupedByAddresses(std::vector<CompactTallyItem>& vecTa
isminefilter filter = ISMINE_SPENDABLE;
// try to use cache for already confirmed anonymizable inputs, no cache should be used when the limit is specified
if(nMaxOupointsPerAddress != -1 && fAnonymizable && fSkipUnconfirmed) {
// Try using the cache for already confirmed anonymizable inputs.
// This should only be used if nMaxOupointsPerAddress was NOT specified.
if(nMaxOupointsPerAddress == -1 && fAnonymizable && fSkipUnconfirmed) {
if(fSkipDenominated && fAnonymizableTallyCachedNonDenom) {
vecTallyRet = vecAnonymizableTallyCachedNonDenom;
LogPrint("selectcoins", "SelectCoinsGroupedByAddresses - using cache for non-denom inputs %d\n", vecTallyRet.size());
@ -3075,8 +3076,9 @@ bool CWallet::SelectCoinsGroupedByAddresses(std::vector<CompactTallyItem>& vecTa
vecTallyRet.push_back(item.second);
}
// cache already confirmed anonymizable entries for later use, no cache should be saved when the limit is specified
if(nMaxOupointsPerAddress != -1 && fAnonymizable && fSkipUnconfirmed) {
// Cache already confirmed anonymizable entries for later use.
// This should only be used if nMaxOupointsPerAddress was NOT specified.
if(nMaxOupointsPerAddress == -1 && fAnonymizable && fSkipUnconfirmed) {
if(fSkipDenominated) {
vecAnonymizableTallyCachedNonDenom = vecTallyRet;
fAnonymizableTallyCachedNonDenom = true;