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Work toward TransactionEngine ripple support.

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This commit is contained in:
Arthur Britto
2012-06-17 20:31:05 -07:00
parent 616af57654
commit 171d2f1bf5
2 changed files with 78 additions and 31 deletions
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101
src/TransactionEngine.cpp
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@@ -1,6 +1,11 @@
//
// XXX Should make sure all fields and are recognized on a transactions.
// XXX Make sure fee is claimed for failed transactions.
//
#include "TransactionEngine.h"
#include <boost/foreach.hpp>
#include <boost/format.hpp>
#include "../json/writer.h"
@@ -1007,10 +1012,15 @@ TransactionEngineResult TransactionEngine::doPasswordSet(const SerializedTransac
TransactionEngineResult TransactionEngine::doPayment(const SerializedTransaction& txn,
std::vector<AffectedAccount>& accounts,
const uint160& srcAccountID)
const uint160& uSrcAccountID)
{
uint32 txFlags = txn.getFlags();
uint160 uDstAccountID = txn.getITFieldAccount(sfDestination);
uint32 txFlags = txn.getFlags();
uint160 uDstAccountID = txn.getITFieldAccount(sfDestination);
// XXX Could also be ripple if direct credit lines.
bool bRipple = txn.getITFieldPresent(sfPaths);
bool bCreate = !!(txFlags & tfCreateAccount);
STAmount saAmount = txn.getITFieldAmount(sfAmount);
STAmount saSrcBalance = accounts[0].second->getIValueFieldAmount(sfBalance);
if (!uDstAccountID)
{
@@ -1018,38 +1028,30 @@ TransactionEngineResult TransactionEngine::doPayment(const SerializedTransaction
return tenINVALID;
}
// XXX Only bad if no currency conversion in between through other people's offer.
else if (srcAccountID == uDstAccountID)
else if (uSrcAccountID == uDstAccountID)
{
std::cerr << "doPayment: Invalid transaction: Source account is the same as destination." << std::endl;
return tenINVALID;
}
bool bCreate = !!(txFlags & tfCreateAccount);
uint160 uCurrency;
if (txn.getITFieldPresent(sfCurrency))
{
uCurrency = txn.getITFieldH160(sfCurrency);
if (!uCurrency)
{
std::cerr << "doPayment: Invalid transaction: " SYSTEM_CURRENCY_CODE " explicitly specified." << std::endl;
return tenEXPLICITXNC;
}
}
// XXX Allow ripple to create.
LedgerStateParms qry = lepNONE;
SLE::pointer sleDst = mLedger->getAccountRoot(qry, uDstAccountID);
if (!sleDst)
{
// Destination account does not exist.
if (bCreate && !!uCurrency)
// XXX Also make sure non-ripple dest if creating.
if (bCreate && !saAmount.isNative())
{
std::cerr << "doPayment: Invalid transaction: Create account may only fund XBC." << std::endl;
return tenCREATEXNC;
std::cerr << "doPayment: Invalid transaction: Create account may only fund XNS." << std::endl;
return tenCREATEXNS;
}
else if (!bCreate)
{
std::cerr << "doPayment: Delay transaction: Destination account does not exist." << std::endl;
return terNO_DST;
}
@@ -1066,6 +1068,7 @@ TransactionEngineResult TransactionEngine::doPayment(const SerializedTransaction
else if (bCreate)
{
std::cerr << "doPayment: Invalid transaction: Account already created." << std::endl;
return terCREATED;
}
else
@@ -1073,28 +1076,68 @@ TransactionEngineResult TransactionEngine::doPayment(const SerializedTransaction
accounts.push_back(std::make_pair(taaMODIFY, sleDst));
}
STAmount saAmount = txn.getITFieldAmount(sfAmount);
if (!uCurrency)
if (!bRipple)
{
STAmount saSrcBalance = accounts[0].second->getIValueFieldAmount(sfBalance);
// Direct XNS payment.
if (!saAmount.isNative())
{
std::cerr << "doPayment: Invalid transaction: direct " SYSTEM_CURRENCY_CODE " required." << std::endl;
return tenDIRECT_XNS_ONLY;
}
if (saSrcBalance < saAmount)
{
std::cerr << "doPayment: Delay transaction: Insufficent funds." << std::endl;
return terUNFUNDED;
}
accounts[0].second->setIFieldAmount(sfBalance, saSrcBalance - saAmount);
accounts[1].second->setIFieldAmount(sfBalance, accounts[1].second->getIValueFieldAmount(sfBalance) + saAmount);
}
else
{
// WRITEME: Handle non-native currencies, paths
return tenUNKNOWN;
return terSUCCESS;
}
return terSUCCESS;
//
// Try direct ripple first.
//
uint160 uDstCurrency = saAmount.getCurrency();
qry = lepNONE;
SLE::pointer sleRippleState = mLedger->getRippleState(qry, uSrcAccountID, uDstAccountID, uDstCurrency);
if (sleRippleState)
{
// There is a direct relationship.
}
STPathSet spsPaths = txn.getITFieldPathSet(sfPaths);
// XXX If we are parsing for determing forwarding check maximum path count.
if (!spsPaths.getPathCount())
{
std::cerr << "doPayment: Invalid transaction: No paths." << std::endl;
return tenRIPPLE_EMPTY;
}
#if 0
std::vector<STPath> spPath;
BOOST_FOREACH(std::vector<STPath>& spPath, spsPaths)
{
std::cerr << "doPayment: Implementation error: Not implemented." << std::endl;
return tenUNKNOWN;
}
#endif
std::cerr << "doPayment: Delay transaction: No ripple paths could be satisfied." << std::endl;
return terBAD_RIPPLE;
}
TransactionEngineResult TransactionEngine::doTransitSet(const SerializedTransaction& st, std::vector<AffectedAccount>&)