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Clean up and secure subscribe books.

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This commit is contained in:
Arthur Britto
2013-03-12 12:53:06 -07:00
parent ae26c6cc59
commit 04a825298e
2 changed files with 44 additions and 31 deletions
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11
src/cpp/ripple/Ledger.cpp
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@@ -1307,6 +1307,9 @@ std::vector< std::pair<uint32, uint256> > Ledger::getLedgerHashes()
return ret;
}
// XRP to XRP not allowed.
// Currencies must have appropriate issuer.
// Currencies or accounts must differ.
bool Ledger::isValidBook(const uint160& uTakerPaysCurrency, const uint160& uTakerPaysIssuerID,
const uint160& uTakerGetsCurrency, const uint160& uTakerGetsIssuerID)
{
@@ -1346,9 +1349,6 @@ bool Ledger::isValidBook(const uint160& uTakerPaysCurrency, const uint160& uTake
uint256 Ledger::getBookBase(const uint160& uTakerPaysCurrency, const uint160& uTakerPaysIssuerID,
const uint160& uTakerGetsCurrency, const uint160& uTakerGetsIssuerID)
{
bool bInNative = uTakerPaysCurrency.isZero();
bool bOutNative = uTakerGetsCurrency.isZero();
Serializer s(82);
s.add16(spaceBookDir); // 2
@@ -1366,10 +1366,7 @@ uint256 Ledger::getBookBase(const uint160& uTakerPaysCurrency, const uint160& uT
% RippleAddress::createHumanAccountID(uTakerGetsIssuerID)
% uBaseIndex.ToString());
assert(!bInNative || !bOutNative); // XRP to XRP 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.
assert(isValidBook(uTakerPaysCurrency, uTakerPaysIssuerID, uTakerGetsCurrency, uTakerGetsIssuerID));
return uBaseIndex;
}