bool
CreateAccountOpFrame::doApply(medida::MetricsRegistry& metrics,
LedgerDelta& delta, LedgerManager& ledgerManager)
{
AccountFrame::pointer destAccount;
Database& db = ledgerManager.getDatabase();
destAccount = AccountFrame::loadAccount(mCreateAccount.destination, db);
if (!destAccount)
{
if (mCreateAccount.startingBalance < ledgerManager.getMinBalance(0))
{ // not over the minBalance to make an account
metrics.NewMeter({"op-create-account", "failure", "low-reserve"},
"operation").Mark();
innerResult().code(CREATE_ACCOUNT_LOW_RESERVE);
return false;
}
else
{
int64_t minBalance =
mSourceAccount->getMinimumBalance(ledgerManager);
if (mSourceAccount->getAccount().balance <
(minBalance + mCreateAccount.startingBalance))
{ // they don't have enough to send
metrics.NewMeter({"op-create-account", "failure", "underfunded"},
"operation").Mark();
innerResult().code(CREATE_ACCOUNT_UNDERFUNDED);
return false;
}
mSourceAccount->getAccount().balance -=
mCreateAccount.startingBalance;
mSourceAccount->storeChange(delta, db);
destAccount = make_shared<AccountFrame>(mCreateAccount.destination);
destAccount->getAccount().seqNum =
delta.getHeaderFrame().getStartingSequenceNumber();
destAccount->getAccount().balance = mCreateAccount.startingBalance;
destAccount->storeAdd(delta, db);
metrics.NewMeter({"op-create-account", "success", "apply"},
"operation").Mark();
innerResult().code(CREATE_ACCOUNT_SUCCESS);
return true;
}
}
else
{
metrics.NewMeter({"op-create-account", "failure", "already-exist"},
"operation").Mark();
innerResult().code(CREATE_ACCOUNT_ALREADY_EXIST);
return false;
}
}
bool
CreateAccountOpFrame::doApply(LedgerDelta& delta, LedgerManager& ledgerManager)
{
AccountFrame destAccount;
Database& db = ledgerManager.getDatabase();
if (!AccountFrame::loadAccount(mCreateAccount.destination, destAccount, db))
{
if (mCreateAccount.startingBalance < ledgerManager.getMinBalance(0))
{ // not over the minBalance to make an account
innerResult().code(CREATE_ACCOUNT_LOW_RESERVE);
return false;
}
else
{
int64_t minBalance =
mSourceAccount->getMinimumBalance(ledgerManager);
if (mSourceAccount->getAccount().balance <
(minBalance + mCreateAccount.startingBalance))
{ // they don't have enough to send
innerResult().code(CREATE_ACCOUNT_UNDERFUNDED);
return false;
}
mSourceAccount->getAccount().balance -=
mCreateAccount.startingBalance;
mSourceAccount->storeChange(delta, db);
destAccount.getAccount().accountID = mCreateAccount.destination;
destAccount.getAccount().seqNum =
delta.getHeaderFrame().getStartingSequenceNumber();
destAccount.getAccount().balance = mCreateAccount.startingBalance;
destAccount.storeAdd(delta, db);
innerResult().code(CREATE_ACCOUNT_SUCCESS);
return true;
}
}
else
{
innerResult().code(CREATE_ACCOUNT_ALREADY_EXIST);
return false;
}
}
bool
PaymentOpFrame::doApply(LedgerDelta& delta, LedgerManager& ledgerManager)
{
AccountFrame destAccount;
// if sending to self directly, just mark as success
if (mPayment.destination == getSourceID() && mPayment.path.empty())
{
innerResult().code(PAYMENT_SUCCESS);
return true;
}
Database& db = ledgerManager.getDatabase();
if (!AccountFrame::loadAccount(mPayment.destination, destAccount, db))
{ // this tx is creating an account
if (mPayment.currency.type() == CURRENCY_TYPE_NATIVE)
{
if (mPayment.amount < ledgerManager.getMinBalance(0))
{ // not over the minBalance to make an account
innerResult().code(PAYMENT_LOW_RESERVE);
return false;
}
else
{
destAccount.getAccount().accountID = mPayment.destination;
destAccount.getAccount().seqNum =
delta.getHeaderFrame().getStartingSequenceNumber();
destAccount.getAccount().balance = 0;
destAccount.storeAdd(delta, db);
}
}
else
{ // trying to send credit to an unmade account
innerResult().code(PAYMENT_NO_DESTINATION);
return false;
}
}
return sendNoCreate(destAccount, delta, ledgerManager);
}
static CreateOfferResult
applyCreateOfferHelper(Application& app, LedgerDelta& delta, uint64 offerId,
SecretKey& source, Currency& takerGets,
Currency& takerPays, Price const& price, int64_t amount,
SequenceNumber seq)
{
uint64_t expectedOfferID = delta.getHeaderFrame().getLastGeneratedID() + 1;
if (offerId != 0)
{
expectedOfferID = offerId;
}
TransactionFramePtr txFrame;
txFrame = createOfferOp(offerId, source, takerGets, takerPays, price,
amount, seq);
txFrame->apply(delta, app);
checkTransaction(*txFrame);
auto& results = txFrame->getResult().result.results();
REQUIRE(results.size() == 1);
auto& createOfferResult = results[0].tr().createOfferResult();
if (createOfferResult.code() == CREATE_OFFER_SUCCESS)
{
OfferFrame offer;
auto& offerResult = createOfferResult.success().offer;
auto& offerEntry = offer.getOffer();
switch (offerResult.effect())
{
case CREATE_OFFER_CREATED:
case CREATE_OFFER_UPDATED:
REQUIRE(OfferFrame::loadOffer(source.getPublicKey(),
expectedOfferID, offer,
app.getDatabase()));
REQUIRE(memcmp(&offerEntry, &offerResult.offer(),
sizeof(OfferEntry)) == 0);
REQUIRE(offerEntry.price == price);
REQUIRE(memcmp(&offerEntry.takerGets, &takerGets,
sizeof(Currency)) == 0);
REQUIRE(memcmp(&offerEntry.takerPays, &takerPays,
sizeof(Currency)) == 0);
break;
case CREATE_OFFER_DELETED:
REQUIRE(!OfferFrame::loadOffer(source.getPublicKey(),
expectedOfferID, offer,
app.getDatabase()));
break;
default:
abort();
}
}
return createOfferResult;
}
