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Add ledger support for directories and ripple state.

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This commit is contained in:
Arthur Britto
2012-05-26 02:54:03 -07:00
parent e03f452a05
commit 48d3099c00
6 changed files with 190 additions and 57 deletions
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17
src/LedgerIndex.cpp
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@@ -1,11 +1,18 @@
#include "Ledger.h"
uint256 Ledger::getRippleIndex(const uint160& accountID, const uint160& extendTo, const uint160& currency)
{ // Index is 160-bit account credit extended to, 96-bit XOR of extending account and currency
uint256 base = getAccountRootIndex(extendTo);
memcpy(base.begin() + (160 / 8), (accountID ^ currency).begin(), (256 / 8) - (160 / 8));
return base;
uint256 Ledger::getRippleStateIndex(const NewcoinAddress& naA, const NewcoinAddress& naB, const uint160& uCurrency)
{
uint160 uAID = naA.getAccountID();
uint160 uBID = naB.getAccountID();
bool bAltB = uAID < uBID;
Serializer s;
s.add160(bAltB ? uAID : uBID);
s.add160(bAltB ? uBID : uAID);
s.add160(uCurrency);
return s.getSHA512Half();
}
uint160 Ledger::getOfferBase(const uint160& currencyIn, const uint160& accountIn,