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Add support for offers to allow parties to go into debt. Broken.

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This commit is contained in:
Arthur Britto
2012-12-15 00:06:12 -08:00
parent fd0bd1433f
commit 4baa8b3c5d
4 changed files with 136 additions and 27 deletions
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56
src/cpp/ripple/LedgerEntrySet.cpp
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@@ -1023,25 +1023,51 @@ uint32 LedgerEntrySet::rippleQualityIn(const uint160& uToAccountID, const uint16
}
// Return how much of uIssuerID's uCurrencyID IOUs that uAccountID holds. May be negative.
// <-- IOU's uAccountID has of uIssuerID
STAmount LedgerEntrySet::rippleHolds(const uint160& uAccountID, const uint160& uCurrencyID, const uint160& uIssuerID)
// <-- IOU's uAccountID has of uIssuerID.
STAmount LedgerEntrySet::rippleHolds(const uint160& uAccountID, const uint160& uCurrencyID, const uint160& uIssuerID, bool bAvail)
{
STAmount saBalance;
SLE::pointer sleRippleState = entryCache(ltRIPPLE_STATE, Ledger::getRippleStateIndex(uAccountID, uIssuerID, uCurrencyID));
if (sleRippleState)
if (!sleRippleState)
{
saBalance = sleRippleState->getFieldAmount(sfBalance);
if (uAccountID > uIssuerID)
saBalance.zero(uCurrencyID, uIssuerID);
}
else if (uAccountID > uIssuerID)
{
if (bAvail)
{
saBalance = sleRippleState->getFieldAmount(sfLowLimit);
saBalance -= sleRippleState->getFieldAmount(sfBalance);
}
else
{
saBalance = sleRippleState->getFieldAmount(sfBalance);
saBalance.negate(); // Put balance in uAccountID terms.
}
saBalance.setIssuer(uIssuerID);
}
else
{
if (bAvail)
{
saBalance = sleRippleState->getFieldAmount(sfHighLimit);
saBalance += sleRippleState->getFieldAmount(sfBalance);
}
else
{
saBalance = sleRippleState->getFieldAmount(sfBalance);
}
saBalance.setIssuer(uIssuerID);
}
return saBalance;
}
// <-- saAmount: amount of uCurrencyID held by uAccountID. May be negative.
STAmount LedgerEntrySet::accountHolds(const uint160& uAccountID, const uint160& uCurrencyID, const uint160& uIssuerID)
STAmount LedgerEntrySet::accountHolds(const uint160& uAccountID, const uint160& uCurrencyID, const uint160& uIssuerID, bool bAvail)
{
STAmount saAmount;
@@ -1053,12 +1079,13 @@ STAmount LedgerEntrySet::accountHolds(const uint160& uAccountID, const uint160&
}
else
{
saAmount = rippleHolds(uAccountID, uCurrencyID, uIssuerID);
saAmount = rippleHolds(uAccountID, uCurrencyID, uIssuerID, bAvail);
}
cLog(lsINFO) << boost::str(boost::format("accountHolds: uAccountID=%s saAmount=%s")
cLog(lsINFO) << boost::str(boost::format("accountHolds: uAccountID=%s saAmount=%s bAvail=%d")
% RippleAddress::createHumanAccountID(uAccountID)
% saAmount.getFullText());
% saAmount.getFullText()
% bAvail);
return saAmount;
}
@@ -1068,7 +1095,7 @@ STAmount LedgerEntrySet::accountHolds(const uint160& uAccountID, const uint160&
// --> saDefault/currency/issuer
// <-- saFunds: Funds available. May be negative.
// If the issuer is the same as uAccountID, funds are unlimited, use result is saDefault.
STAmount LedgerEntrySet::accountFunds(const uint160& uAccountID, const STAmount& saDefault)
STAmount LedgerEntrySet::accountFunds(const uint160& uAccountID, const STAmount& saDefault, bool bAvail)
{
STAmount saFunds;
@@ -1082,12 +1109,13 @@ STAmount LedgerEntrySet::accountFunds(const uint160& uAccountID, const STAmount&
}
else
{
saFunds = accountHolds(uAccountID, saDefault.getCurrency(), saDefault.getIssuer());
saFunds = accountHolds(uAccountID, saDefault.getCurrency(), saDefault.getIssuer(), bAvail);
cLog(lsINFO) << boost::str(boost::format("accountFunds: uAccountID=%s saDefault=%s saFunds=%s")
cLog(lsINFO) << boost::str(boost::format("accountFunds: uAccountID=%s saDefault=%s saFunds=%s bAvail=%d")
% RippleAddress::createHumanAccountID(uAccountID)
% saDefault.getFullText()
% saFunds.getFullText());
% saFunds.getFullText()
% bAvail);
}
return saFunds;