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Work on transit fees.

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This commit is contained in:
Arthur Britto
2012-05-22 12:42:13 -07:00
parent 4797cfd28f
commit 30407a3a23
6 changed files with 176 additions and 26 deletions
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147
src/TransactionEngine.cpp
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@@ -53,6 +53,8 @@ TransactionEngineResult TransactionEngine::applyTransaction(const SerializedTran
case ttINVOICE:
case ttOFFER:
case ttCREDIT_SET:
case ttTRANSIT_SET:
result = terSUCCESS;
break;
@@ -236,11 +238,6 @@ TransactionEngineResult TransactionEngine::applyTransaction(const SerializedTran
return result;
}
TransactionEngineResult TransactionEngine::doCreditSet(const SerializedTransaction&, std::vector<AffectedAccount>&)
{
return tenINVALID;
}
TransactionEngineResult TransactionEngine::doClaim(const SerializedTransaction& txn,
std::vector<AffectedAccount>& accounts)
{
@@ -331,6 +328,11 @@ TransactionEngineResult TransactionEngine::doClaim(const SerializedTransaction&
return terSUCCESS;
}
TransactionEngineResult TransactionEngine::doCreditSet(const SerializedTransaction&, std::vector<AffectedAccount>&)
{
return tenINVALID;
}
TransactionEngineResult TransactionEngine::doPayment(const SerializedTransaction& txn,
std::vector<AffectedAccount>& accounts,
uint160 srcAccountID)
@@ -425,8 +427,141 @@ TransactionEngineResult TransactionEngine::doPayment(const SerializedTransaction
return terSUCCESS;
}
TransactionEngineResult TransactionEngine::doTransitSet(const SerializedTransaction&, std::vector<AffectedAccount>&)
TransactionEngineResult TransactionEngine::doTransitSet(const SerializedTransaction& st, std::vector<AffectedAccount>&)
{
std::cerr << "doTransitSet>" << std::endl;
SerializedLedgerEntry::pointer sleSrc = accounts[0].second;
bool bTxnTransitRate = st->getIFieldPresent(sfTransitRate);
bool bTxnTransitStart = st->getIFieldPresent(sfTransitStart);
bool bTxnTransitExpire = st->getIFieldPresent(sfTransitExpire);
uint32 uTxnTransitRate = bTxnTransitRate ? st->getIFieldU32(sfTransitRate) : 0;
uint32 uTxnTransitStart = bTxnTransitStart ? st->getIFieldU32(sfTransitStart) : 0;
uint32 uTxnTransitExpire = bTxnTransitExpire ? st->getIFieldU32(sfTransitExpire) : 0;
bool bActTransitRate = sleSrc->getIFieldPresent(sfTransitRate);
bool bActTransitExpire = sleSrc->getIFieldPresent(sfTransitExpire);
bool bActNextTransitRate = sleSrc->getIFieldPresent(sfNextTransitRate);
bool bActNextTransitStart = sleSrc->getIFieldPresent(sfNextTransitStart);
bool bActNextTransitExpire = sleSrc->getIFieldPresent(sfNextTransitExpire);
uint32 uActTransitRate = bActTransitRate ? sleSrc->getIFieldU32(sfTransitRate) : 0;
uint32 uActTransitExpire = bActTransitExpire ? sleSrc->getIFieldU32(sfTransitExpire) : 0;
uint32 uActNextTransitRate = bActNextTransitRate ? sleSrc->getIFieldU32(sfNextTransitRate) : 0;
uint32 uActNextTransitStart = bActNextTransitStart ? sleSrc->getIFieldU32(sfNextTransitStart) : 0;
uint32 uActNextTransitExpire = bActNextTransitExpire ? sleSrc->getIFieldU32(sfNextTransitExpire) : 0;
// Try to overwrite next rate.
bool bBetterNextExpire =
(!bTxnTransitExpire // Txn does not expire (same or extends)
|| (bActNextTransitExpire && uTxnTransitExpire >= uActTransitExpire)); // Same or longer the next.
bool bBetterNextRate =
!bActNextTransitRate // No next rate, txn is better.
|| (uTxnTransitRate <= uActNextTransitRate); // Charge is the same or less.
// Must start at the same time or sooner.
bool bBetterNextStart =
// If starting sooner, must be better than current, or current must not protect range.
if (!bActNextTransitRate)
{
// No next. Overwrite next.
}
else if (uTxnTransitRate <= uActNextTransitRate && bBetterNextExpire)
{
// Better than
}
// True if no rate is active or going to be active;
bool bNoRate = !bActTransitRate && !bActNextTransitRate;
bool bStartNow = bTxnTransitStart
? uTxnTransitStart < uLedger
: bActTransitRate
? bActTransitExpire
?
: true // Current never expires.
: true; // Nothing is running.
// True if new rate does not apply immediately.
boo bRateIsLater = bTxnTransitStart
? uTxnTransitStart < uLedger
: bActNextTransitRate && bTxnTransitExpire;
if (no_rate || rate_is_better || rate_is_later)
{
// Install.
if (starting)
{
// install now
}
else
{
// install next
}
}
else
{
return tenTRANSIT_WORSE;
}
if (no_rate && starting)
if (!bActTransitRate && !bActNextTransitRate) {
// No rate
bProtected = false;
} if (bActTransitRate && !bTx
if (bTxnTransitStart && uTxnTransitStart > uLedger)
{
// Start at a particular time.
}
else
{
// No start or start in the past, start now.
if (!bActTransitRate && !bActNextTransitRate)
{
// No current or future rate.
uDstTransitRate = uTxnTransitRate;
uDstTransitExpire = uTxnTransitExpire; // 0 for never expire.
}
else if (bActTransitRate && !bActNextTransitRate)
{
// Have a current rate and none pending.
if (!bActTransitExpire) {
// Current rate does not expire
}
}
else
{
// Have a future rate.
}
}
if (!bActTransitRate && !bActNextTransitRate)
{
}
// Set current.
uDstTransitRate = uTxnTransitRate;
uDstTransitExpire = uTxnTransitExpire; // 0 for never expire.
// Set future.
uDstNextTransitRate = uTxnTransitRate;
uDstNextTransitStart = uTxnTransitStart;
uDstNextTransitExpire = uTxnTransitExpire; // 0 for never expire.
if (txn.getITFieldPresent(sfCurrency))
std::cerr << "doTransitSet<" << std::endl;
return tenINVALID;
}