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Merge branch 'master' of github.com:jedmccaleb/NewCoin

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This commit is contained in:
JoelKatz
2013-03-03 23:52:26 -08:00
parent df9884f48e 2bb4501553
commit c8813a01ce
9 changed files with 75 additions and 29 deletions
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2
src/cpp/ripple/LedgerEntrySet.cpp
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@@ -1066,6 +1066,8 @@ STAmount LedgerEntrySet::rippleHolds(const uint160& uAccountID, const uint160& u
return saBalance;
}
// Returns the amount an account can spend without going into debt.
//
// <-- saAmount: amount of uCurrencyID held by uAccountID. May be negative.
STAmount LedgerEntrySet::accountHolds(const uint160& uAccountID, const uint160& uCurrencyID, const uint160& uIssuerID)
{

71
src/cpp/ripple/NetworkOPs.cpp
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@@ -1785,6 +1785,8 @@ void NetworkOPs::getBookPage(Ledger::pointer lpLedger, const uint160& uTakerPays
// unsigned int iLeft = iLimit;
uint32 uTransferRate = lesActive.rippleTransferRate(uTakerGetsIssuerID);
while (!bDone) {
if (bDirectAdvance) {
bDirectAdvance = false;
@@ -1814,33 +1816,62 @@ void NetworkOPs::getBookPage(Ledger::pointer lpLedger, const uint160& uTakerPays
{
SLE::pointer sleOffer = lesActive.entryCache(ltOFFER, uOfferIndex);
const uint160 uOfferOwnerID = sleOffer->getFieldAccount(sfAccount).getAccountID();
STAmount saTakerGets = sleOffer->getFieldAmount(sfTakerGets);
STAmount saTakerPays = sleOffer->getFieldAmount(sfTakerPays);
STAmount saOwnerFunds;
boost::unordered_map<uint160, STAmount>::const_iterator umBalanceEntry = umBalance.find(uOfferOwnerID);
if (umBalanceEntry == umBalance.end())
if (uTakerGetsIssuerID == uOfferOwnerID)
{
// Did not find balance in table.
STAmount saDefault(uTakerGetsCurrencyID, uTakerGetsIssuerID);
// cLog(lsINFO) << boost::str(boost::format("getBookPage: saDefault=%s") % saDefault.getFullText());
saOwnerFunds = lesActive.accountFunds(uOfferOwnerID, saDefault);
// cLog(lsINFO) << boost::str(boost::format("getBookPage: saOwnerFunds=%s (new)") % saOwnerFunds.getFullText());
// If offer is selling issuer's own IOUs, it is fully funded.
saOwnerFunds = saTakerGets;
}
else
{
saOwnerFunds = umBalanceEntry->second;
// cLog(lsINFO) << boost::str(boost::format("getBookPage: saOwnerFunds=%s (cached)") % saOwnerFunds.getFullText());
}
boost::unordered_map<uint160, STAmount>::const_iterator umBalanceEntry = umBalance.find(uOfferOwnerID);
STAmount saTakerGets = sleOffer->getFieldAmount(sfTakerGets);
STAmount saTakerPays = sleOffer->getFieldAmount(sfTakerPays);
if (umBalanceEntry != umBalance.end())
{
// Found in running balance table.
saOwnerFunds = umBalanceEntry->second;
// cLog(lsINFO) << boost::str(boost::format("getBookPage: saOwnerFunds=%s (cached)") % saOwnerFunds.getFullText());
}
else
{
// Did not find balance in table.
saOwnerFunds = lesActive.accountHolds(uOfferOwnerID, uTakerGetsCurrencyID, uTakerGetsIssuerID);
// cLog(lsINFO) << boost::str(boost::format("getBookPage: saOwnerFunds=%s (new)") % saOwnerFunds.getFullText());
if (saOwnerFunds.isNegative())
{
// Treat negative funds as zero.
saOwnerFunds.zero();
}
}
}
Json::Value jvOffer = sleOffer->getJson(0);
STAmount saTakerGetsFunded;
STAmount saOwnerFundsLimit;
uint32 uOfferRate;
if (saOwnerFunds >= saTakerGets)
if (uTransferRate != QUALITY_ONE // Have a tranfer fee.
&& uTakerID != uTakerGetsIssuerID // Not taking offers of own IOUs.
&& uTakerGetsIssuerID != uOfferOwnerID) { // Offer owner not issuing ownfunds
// Need to charge a transfer fee to offer owner.
uOfferRate = uTransferRate;
saOwnerFundsLimit = STAmount::divide(saOwnerFunds, STAmount(CURRENCY_ONE, ACCOUNT_ONE, uOfferRate, -9));
}
else
{
uOfferRate = QUALITY_ONE;
saOwnerFundsLimit = saOwnerFunds;
}
if (saOwnerFundsLimit >= saTakerGets)
{
// Sufficient funds no shenanigans.
saTakerGetsFunded = saTakerGets;
@@ -1855,17 +1886,21 @@ void NetworkOPs::getBookPage(Ledger::pointer lpLedger, const uint160& uTakerPays
// cLog(lsINFO) << boost::str(boost::format("getBookPage: multiply=%s") % STAmount::multiply(saTakerGetsFunded, saDirRate, saTakerPays).getFullText());
STAmount saTakerPaysFunded;
saTakerGetsFunded = saOwnerFunds;
saTakerGetsFunded = saOwnerFundsLimit;
saTakerPaysFunded = std::min(saTakerPays, STAmount::multiply(saTakerGetsFunded, saDirRate, saTakerPays));
// Only provide, if not fully funded.
jvOffer["taker_gets_funded"] = saTakerGetsFunded.getJson(0);
jvOffer["taker_pays_funded"] = saTakerPaysFunded.getJson(0);
}
STAmount saOwnerPays = QUALITY_ONE == uOfferRate
? saTakerGetsFunded
: std::min(saOwnerFunds, STAmount::multiply(saTakerGetsFunded, STAmount(CURRENCY_ONE, ACCOUNT_ONE, uOfferRate, -9)));
STAmount saOwnerBalance = saOwnerFunds-saTakerGetsFunded;
STAmount saOwnerBalance = saOwnerFunds-saOwnerPays;
umBalance[uOfferOwnerID] = saOwnerBalance;
umBalance[uOfferOwnerID] = saOwnerBalance;
if (!saOwnerFunds.isZero() || uOfferOwnerID == uTakerID)
{

2
src/cpp/ripple/OfferCreateTransactor.cpp
View File

@@ -321,6 +321,7 @@ TER OfferCreateTransactor::doApply()
cLog(lsWARNING) << "OfferCreate> " << mTxn.getJson(0);
const uint32 uTxFlags = mTxn.getFlags();
const bool bPassive = isSetBit(uTxFlags, tfPassive);
const bool bMarket = isSetBit(uTxFlags, tfMarket);
STAmount saTakerPays = mTxn.getFieldAmount(sfTakerPays);
STAmount saTakerGets = mTxn.getFieldAmount(sfTakerGets);
@@ -460,6 +461,7 @@ TER OfferCreateTransactor::doApply()
if (tesSUCCESS != terResult
|| !saTakerPays // Wants nothing more.
|| !saTakerGets // Offering nothing more.
|| bMarket // Do not persist.
|| !mEngine->getNodes().accountFunds(mTxnAccountID, saTakerGets).isPositive() // Not funded.
|| bUnfunded) // Consider unfunded.
{

3
src/cpp/ripple/TransactionFormats.h
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@@ -68,7 +68,8 @@ const uint32 tfAccountSetMask = ~(tfRequireDestTag|tfOptionalDestTag|tfRequireA
// OfferCreate flags:
const uint32 tfPassive = 0x00010000;
const uint32 tfOfferCreateMask = ~(tfPassive);
const uint32 tfMarket = 0x00020000;
const uint32 tfOfferCreateMask = ~(tfPassive|tfMarket);
// Payment flags:
const uint32 tfNoRippleDirect = 0x00010000;