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Correctly compute amount left on sell offer when a crossing offer pays us more than we asked for.

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JoelKatz
2013-10-28 16:48:47 -07:00
parent 8e65d6288d
commit 4ddadb8792
1 changed files with 9 additions and 1 deletions
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10
src/ripple_app/tx/OfferCreateTransactor.cpp
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@@ -334,7 +334,15 @@ TER OfferCreateTransactor::takeOffers (
if (tesSUCCESS == terResult) if (tesSUCCESS == terResult)
terResult = lesActive.accountSend (uTakerAccountID, uOfferOwnerID, saSubTakerPaid); // Taker pays offer owner. terResult = lesActive.accountSend (uTakerAccountID, uOfferOwnerID, saSubTakerPaid); // Taker pays offer owner.
if (!bSell) if (bSell)
{
// Sell semantics:
// Reduce amount considered received to original offer's rate.
// Not by crossing rate, which is higher.
STAmount saEffectiveGot = STAmount::divide(saSubTakerPaid, saTakerRate, saTakerGets);
saSubTakerGot = std::min(saEffectiveGot, saSubTakerGot);
}
else
{ {
// Buy semantics: Reduce amount considered paid by taker's rate. Not by actual cost which is lower. // Buy semantics: Reduce amount considered paid by taker's rate. Not by actual cost which is lower.
// That is, take less as to just satify our buy requirement. // That is, take less as to just satify our buy requirement.