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Merge #10165: [Wallet] Refactoring by using CInputCoin instead of std::pair

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c37e32a [Wallet] Prevent CInputCoin to be in a null state (NicolasDorier)
f597dcb [Wallet] Simplify code using CInputCoin (NicolasDorier)
e78bc45 [Wallet] Decouple CInputCoin from CWalletTx (NicolasDorier)
fd44ac1 [Wallet] Rename std::pair<const CWalletTx*, unsigned int> to CInputCoin (NicolasDorier)

Tree-SHA512: d24361fc514a0566bce1c3953d766dfe4fece79c549cb4db2600695a4ce08e85caa61b7717812618e523a2f2a1669877dad2752ed079e2ed2d27249f9bc8590e
This commit is contained in:
Wladimir J. van der Laan 2017-04-13 12:07:46 +02:00
commit 70f6f56e9d
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GPG Key ID: 74810B012346C9A6
5 changed files with 71 additions and 47 deletions
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2
src/bench/coin_selection.cpp
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@ -48,7 +48,7 @@ static void CoinSelection(benchmark::State& state)
addCoin(1000 * COIN, wallet, vCoins);
addCoin(3 * COIN, wallet, vCoins);
std::set<std::pair<const CWalletTx*, unsigned int> > setCoinsRet;
std::set<CInputCoin> setCoinsRet;
CAmount nValueRet;
bool success = wallet.SelectCoinsMinConf(1003 * COIN, 1, 6, 0, vCoins, setCoinsRet, nValueRet);
assert(success);

4
src/wallet/feebumper.cpp
View File

@ -23,14 +23,14 @@
int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *pWallet)
{
CMutableTransaction txNew(tx);
std::vector<std::pair<const CWalletTx *, unsigned int>> vCoins;
std::vector<CInputCoin> vCoins;
// Look up the inputs. We should have already checked that this transaction
// IsAllFromMe(ISMINE_SPENDABLE), so every input should already be in our
// wallet, with a valid index into the vout array.
for (auto& input : tx.vin) {
const auto mi = pWallet->mapWallet.find(input.prevout.hash);
assert(mi != pWallet->mapWallet.end() && input.prevout.n < mi->second.tx->vout.size());
vCoins.emplace_back(&(mi->second), input.prevout.n);
vCoins.emplace_back(CInputCoin(&(mi->second), input.prevout.n));
}
if (!pWallet->DummySignTx(txNew, vCoins)) {
// This should never happen, because IsAllFromMe(ISMINE_SPENDABLE)

2
src/wallet/test/wallet_tests.cpp
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@ -29,7 +29,7 @@ extern UniValue importmulti(const JSONRPCRequest& request);
std::vector<std::unique_ptr<CWalletTx>> wtxn;
typedef std::set<std::pair<const CWalletTx*,unsigned int> > CoinSet;
typedef std::set<CInputCoin> CoinSet;
BOOST_FIXTURE_TEST_SUITE(wallet_tests, WalletTestingSetup)

77
src/wallet/wallet.cpp
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@ -65,10 +65,10 @@ const uint256 CMerkleTx::ABANDON_HASH(uint256S("00000000000000000000000000000000
struct CompareValueOnly
{
bool operator()(const std::pair<CAmount, std::pair<const CWalletTx*, unsigned int> >& t1,
const std::pair<CAmount, std::pair<const CWalletTx*, unsigned int> >& t2) const
bool operator()(const CInputCoin& t1,
const CInputCoin& t2) const
{
return t1.first < t2.first;
return t1.txout.nValue < t2.txout.nValue;
}
};
@ -2061,7 +2061,7 @@ void CWallet::AvailableCoins(std::vector<COutput>& vCoins, bool fOnlySafe, const
}
}
static void ApproximateBestSubset(const std::vector<std::pair<CAmount, std::pair<const CWalletTx*,unsigned int> > >& vValue, const CAmount& nTotalLower, const CAmount& nTargetValue,
static void ApproximateBestSubset(const std::vector<CInputCoin>& vValue, const CAmount& nTotalLower, const CAmount& nTargetValue,
std::vector<char>& vfBest, CAmount& nBest, int iterations = 1000)
{
std::vector<char> vfIncluded;
@ -2088,7 +2088,7 @@ static void ApproximateBestSubset(const std::vector<std::pair<CAmount, std::pair
//the selection random.
if (nPass == 0 ? insecure_rand.rand32()&1 : !vfIncluded[i])
{
nTotal += vValue[i].first;
nTotal += vValue[i].txout.nValue;
vfIncluded[i] = true;
if (nTotal >= nTargetValue)
{
@ -2098,7 +2098,7 @@ static void ApproximateBestSubset(const std::vector<std::pair<CAmount, std::pair
nBest = nTotal;
vfBest = vfIncluded;
}
nTotal -= vValue[i].first;
nTotal -= vValue[i].txout.nValue;
vfIncluded[i] = false;
}
}
@ -2108,16 +2108,14 @@ static void ApproximateBestSubset(const std::vector<std::pair<CAmount, std::pair
}
bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMine, const int nConfTheirs, const uint64_t nMaxAncestors, std::vector<COutput> vCoins,
std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const
std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet) const
{
setCoinsRet.clear();
nValueRet = 0;
// List of values less than target
std::pair<CAmount, std::pair<const CWalletTx*,unsigned int> > coinLowestLarger;
coinLowestLarger.first = std::numeric_limits<CAmount>::max();
coinLowestLarger.second.first = NULL;
std::vector<std::pair<CAmount, std::pair<const CWalletTx*,unsigned int> > > vValue;
boost::optional<CInputCoin> coinLowestLarger;
std::vector<CInputCoin> vValue;
CAmount nTotalLower = 0;
random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
@ -2136,22 +2134,21 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
continue;
int i = output.i;
CAmount n = pcoin->tx->vout[i].nValue;
std::pair<CAmount,std::pair<const CWalletTx*,unsigned int> > coin = std::make_pair(n,std::make_pair(pcoin, i));
CInputCoin coin = CInputCoin(pcoin, i);
if (n == nTargetValue)
if (coin.txout.nValue == nTargetValue)
{
setCoinsRet.insert(coin.second);
nValueRet += coin.first;
setCoinsRet.insert(coin);
nValueRet += coin.txout.nValue;
return true;
}
else if (n < nTargetValue + MIN_CHANGE)
else if (coin.txout.nValue < nTargetValue + MIN_CHANGE)
{
vValue.push_back(coin);
nTotalLower += n;
nTotalLower += coin.txout.nValue;
}
else if (n < coinLowestLarger.first)
else if (!coinLowestLarger || coin.txout.nValue < coinLowestLarger->txout.nValue)
{
coinLowestLarger = coin;
}
@ -2161,18 +2158,18 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
{
for (unsigned int i = 0; i < vValue.size(); ++i)
{
setCoinsRet.insert(vValue[i].second);
nValueRet += vValue[i].first;
setCoinsRet.insert(vValue[i]);
nValueRet += vValue[i].txout.nValue;
}
return true;
}
if (nTotalLower < nTargetValue)
{
if (coinLowestLarger.second.first == NULL)
if (!coinLowestLarger)
return false;
setCoinsRet.insert(coinLowestLarger.second);
nValueRet += coinLowestLarger.first;
setCoinsRet.insert(coinLowestLarger.get());
nValueRet += coinLowestLarger->txout.nValue;
return true;
}
@ -2188,25 +2185,25 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
// If we have a bigger coin and (either the stochastic approximation didn't find a good solution,
// or the next bigger coin is closer), return the bigger coin
if (coinLowestLarger.second.first &&
((nBest != nTargetValue && nBest < nTargetValue + MIN_CHANGE) || coinLowestLarger.first <= nBest))
if (coinLowestLarger &&
((nBest != nTargetValue && nBest < nTargetValue + MIN_CHANGE) || coinLowestLarger->txout.nValue <= nBest))
{
setCoinsRet.insert(coinLowestLarger.second);
nValueRet += coinLowestLarger.first;
setCoinsRet.insert(coinLowestLarger.get());
nValueRet += coinLowestLarger->txout.nValue;
}
else {
for (unsigned int i = 0; i < vValue.size(); i++)
if (vfBest[i])
{
setCoinsRet.insert(vValue[i].second);
nValueRet += vValue[i].first;
setCoinsRet.insert(vValue[i]);
nValueRet += vValue[i].txout.nValue;
}
if (LogAcceptCategory(BCLog::SELECTCOINS)) {
LogPrint(BCLog::SELECTCOINS, "SelectCoins() best subset: ");
for (unsigned int i = 0; i < vValue.size(); i++) {
if (vfBest[i]) {
LogPrint(BCLog::SELECTCOINS, "%s ", FormatMoney(vValue[i].first));
LogPrint(BCLog::SELECTCOINS, "%s ", FormatMoney(vValue[i].txout.nValue));
}
}
LogPrint(BCLog::SELECTCOINS, "total %s\n", FormatMoney(nBest));
@ -2216,7 +2213,7 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
return true;
}
bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl* coinControl) const
bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet, const CCoinControl* coinControl) const
{
std::vector<COutput> vCoins(vAvailableCoins);
@ -2228,13 +2225,13 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm
if (!out.fSpendable)
continue;
nValueRet += out.tx->tx->vout[out.i].nValue;
setCoinsRet.insert(std::make_pair(out.tx, out.i));
setCoinsRet.insert(CInputCoin(out.tx, out.i));
}
return (nValueRet >= nTargetValue);
}
// calculate value from preset inputs and store them
std::set<std::pair<const CWalletTx*, uint32_t> > setPresetCoins;
std::set<CInputCoin> setPresetCoins;
CAmount nValueFromPresetInputs = 0;
std::vector<COutPoint> vPresetInputs;
@ -2250,7 +2247,7 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm
if (pcoin->tx->vout.size() <= outpoint.n)
return false;
nValueFromPresetInputs += pcoin->tx->vout[outpoint.n].nValue;
setPresetCoins.insert(std::make_pair(pcoin, outpoint.n));
setPresetCoins.insert(CInputCoin(pcoin, outpoint.n));
} else
return false; // TODO: Allow non-wallet inputs
}
@ -2258,7 +2255,7 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm
// remove preset inputs from vCoins
for (std::vector<COutput>::iterator it = vCoins.begin(); it != vCoins.end() && coinControl && coinControl->HasSelected();)
{
if (setPresetCoins.count(std::make_pair(it->tx, it->i)))
if (setPresetCoins.count(CInputCoin(it->tx, it->i)))
it = vCoins.erase(it);
else
++it;
@ -2424,7 +2421,7 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
assert(txNew.nLockTime < LOCKTIME_THRESHOLD);
{
std::set<std::pair<const CWalletTx*,unsigned int> > setCoins;
std::set<CInputCoin> setCoins;
LOCK2(cs_main, cs_wallet);
{
std::vector<COutput> vAvailableCoins;
@ -2583,7 +2580,7 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
// behavior."
bool rbf = coinControl ? coinControl->signalRbf : fWalletRbf;
for (const auto& coin : setCoins)
txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(),
txNew.vin.push_back(CTxIn(coin.outpoint,CScript(),
std::numeric_limits<unsigned int>::max() - (rbf ? 2 : 1)));
// Fill in dummy signatures for fee calculation.
@ -2666,10 +2663,10 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
int nIn = 0;
for (const auto& coin : setCoins)
{
const CScript& scriptPubKey = coin.first->tx->vout[coin.second].scriptPubKey;
const CScript& scriptPubKey = coin.txout.scriptPubKey;
SignatureData sigdata;
if (!ProduceSignature(TransactionSignatureCreator(this, &txNewConst, nIn, coin.first->tx->vout[coin.second].nValue, SIGHASH_ALL), scriptPubKey, sigdata))
if (!ProduceSignature(TransactionSignatureCreator(this, &txNewConst, nIn, coin.txout.nValue, SIGHASH_ALL), scriptPubKey, sigdata))
{
strFailReason = _("Signing transaction failed");
return false;

33
src/wallet/wallet.h
View File

@ -473,7 +473,34 @@ public:
};
class CInputCoin {
public:
CInputCoin(const CWalletTx* walletTx, unsigned int i)
{
if (!walletTx)
throw std::invalid_argument("walletTx should not be null");
if (i >= walletTx->tx->vout.size())
throw std::out_of_range("The output index is out of range");
outpoint = COutPoint(walletTx->GetHash(), i);
txout = walletTx->tx->vout[i];
}
COutPoint outpoint;
CTxOut txout;
bool operator<(const CInputCoin& rhs) const {
return outpoint < rhs.outpoint;
}
bool operator!=(const CInputCoin& rhs) const {
return outpoint != rhs.outpoint;
}
bool operator==(const CInputCoin& rhs) const {
return outpoint == rhs.outpoint;
}
};
class COutput
{
@ -630,7 +657,7 @@ private:
* all coins from coinControl are selected; Never select unconfirmed coins
* if they are not ours
*/
bool SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl *coinControl = NULL) const;
bool SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet, const CCoinControl *coinControl = NULL) const;
CWalletDB *pwalletdbEncryption;
@ -782,7 +809,7 @@ public:
* completion the coin set and corresponding actual target value is
* assembled
*/
bool SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, uint64_t nMaxAncestors, std::vector<COutput> vCoins, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const;
bool SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, uint64_t nMaxAncestors, std::vector<COutput> vCoins, std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet) const;
bool IsSpent(const uint256& hash, unsigned int n) const;
@ -1131,7 +1158,7 @@ bool CWallet::DummySignTx(CMutableTransaction &txNew, const ContainerType &coins
int nIn = 0;
for (const auto& coin : coins)
{
const CScript& scriptPubKey = coin.first->tx->vout[coin.second].scriptPubKey;
const CScript& scriptPubKey = coin.txout.scriptPubKey;
SignatureData sigdata;
if (!ProduceSignature(DummySignatureCreator(this), scriptPubKey, sigdata))