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This commit is contained in:
Arthur Britto
2012-07-16 18:54:31 -07:00
parent 060772ad7d
commit fcd13d0208
10 changed files with 577 additions and 515 deletions
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27
src/LedgerIndex.cpp
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@@ -15,6 +15,7 @@ uint256 Ledger::getQualityIndex(const uint256& uBase, const uint64 uNodeDir)
return uNode;
}
// Return the last 64 bits.
uint64 Ledger::getQuality(const uint256& uBase)
{
return be64toh(((uint64*) uBase.end())[-1]);
@@ -41,24 +42,24 @@ uint256 Ledger::getAccountRootIndex(const uint160& uAccountID)
return s.getSHA512Half();
}
uint256 Ledger::getBookBase(const uint160& uCurrencyIn, const uint160& uAccountIn,
const uint160& uCurrencyOut, const uint160& uAccountOut)
uint256 Ledger::getBookBase(const uint160& uTakerPaysCurrency, const uint160& uTakerPaysIssuerID,
const uint160& uTakerGetsCurrency, const uint160& uTakerGetsIssuerID)
{
bool bInNative = uCurrencyIn.isZero();
bool bOutNative = uCurrencyOut.isZero();
bool bInNative = uTakerPaysCurrency.isZero();
bool bOutNative = uTakerGetsCurrency.isZero();
assert(!bInNative || !bOutNative); // Stamps to stamps not allowed.
assert(bInNative == uAccountIn.isZero()); // Make sure issuer is specified as needed.
assert(bOutNative == uAccountOut.isZero()); // Make sure issuer is specified as needed.
assert(uCurrencyIn != uCurrencyOut || uAccountIn != uAccountOut); // Currencies or accounts must differ.
assert(!bInNative || !bOutNative); // Stamps to stamps not allowed.
assert(bInNative == uTakerPaysIssuerID.isZero()); // Make sure issuer is specified as needed.
assert(bOutNative == uTakerGetsIssuerID.isZero()); // Make sure issuer is specified as needed.
assert(uTakerPaysCurrency != uTakerGetsCurrency || uTakerPaysIssuerID != uTakerGetsIssuerID); // Currencies or accounts must differ.
Serializer s(82);
s.add16(spaceBookDir); // 2
s.add160(uCurrencyIn); // 20
s.add160(uCurrencyOut); // 20
s.add160(uAccountIn); // 20
s.add160(uAccountOut); // 20
s.add16(spaceBookDir); // 2
s.add160(uTakerPaysCurrency); // 20
s.add160(uTakerGetsCurrency); // 20
s.add160(uTakerPaysIssuerID); // 20
s.add160(uTakerGetsIssuerID); // 20
return getQualityIndex(s.getSHA512Half()); // Return with quality 0.
}