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xahaud/src/test/app/PayStrand_test.cpp
seelabs 1bb92d40aa Fix tx re-ordering bug in test: 
`env.fund` requires two transactions: `pay` and `set account`. If there is a
`trust` transaction in the same set of txs, the txs may be reordered so
`pay` -> `trust` -> `set account` so the wrong `no ripple` flag would be used
on the trust line.

Adding a `close` between `env.fund` and `env.trust` resolves this problem.
2017-03-21 18:55:05 -04:00

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//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <BeastConfig.h>
#include <ripple/app/paths/Flow.h>
#include <ripple/app/paths/RippleCalc.h>
#include <ripple/app/paths/impl/Steps.h>
#include <ripple/basics/contract.h>
#include <ripple/core/Config.h>
#include <ripple/ledger/ApplyViewImpl.h>
#include <ripple/ledger/PaymentSandbox.h>
#include <ripple/ledger/Sandbox.h>
#include <ripple/protocol/Feature.h>
#include <ripple/protocol/JsonFields.h>
#include <test/jtx.h>
#include <test/jtx/PathSet.h>
namespace ripple {
namespace test {
struct DirectStepInfo
{
AccountID src;
AccountID dst;
Currency currency;
};
struct XRPEndpointStepInfo
{
AccountID acc;
};
enum class TrustFlag {freeze, auth, noripple};
/*constexpr*/ std::uint32_t trustFlag (TrustFlag f, bool useHigh)
{
switch(f)
{
case TrustFlag::freeze:
if (useHigh)
return lsfHighFreeze;
return lsfLowFreeze;
case TrustFlag::auth:
if (useHigh)
return lsfHighAuth;
return lsfLowAuth;
case TrustFlag::noripple:
if (useHigh)
return lsfHighNoRipple;
return lsfLowNoRipple;
}
return 0; // Silence warning about end of non-void function
}
bool
getTrustFlag(
jtx::Env const& env,
jtx::Account const& src,
jtx::Account const& dst,
Currency const& cur,
TrustFlag flag)
{
if (auto sle = env.le(keylet::line(src, dst, cur)))
{
auto const useHigh = src.id() > dst.id();
return sle->isFlag(trustFlag(flag, useHigh));
}
Throw<std::runtime_error>("No line in getTrustFlag");
return false; // silence warning
}
bool
equal(std::unique_ptr<Step> const& s1, DirectStepInfo const& dsi)
{
if (!s1)
return false;
return test::directStepEqual(*s1, dsi.src, dsi.dst, dsi.currency);
}
bool
equal(std::unique_ptr<Step> const& s1, XRPEndpointStepInfo const& xrpsi)
{
if (!s1)
return false;
return test::xrpEndpointStepEqual(*s1, xrpsi.acc);
}
bool
equal(std::unique_ptr<Step> const& s1, ripple::Book const& bsi)
{
if (!s1)
return false;
return bookStepEqual(*s1, bsi);
}
template <class Iter>
bool
strandEqualHelper(Iter i)
{
// base case. all args processed and found equal.
return true;
}
template <class Iter, class StepInfo, class... Args>
bool
strandEqualHelper(Iter i, StepInfo&& si, Args&&... args)
{
if (!equal(*i, std::forward<StepInfo>(si)))
return false;
return strandEqualHelper(++i, std::forward<Args>(args)...);
}
template <class... Args>
bool
equal(Strand const& strand, Args&&... args)
{
if (strand.size() != sizeof...(Args))
return false;
if (strand.empty())
return true;
return strandEqualHelper(strand.begin(), std::forward<Args>(args)...);
}
STPathElement
ape(AccountID const& a)
{
return STPathElement(
STPathElement::typeAccount, a, xrpCurrency(), xrpAccount());
};
// Issue path element
STPathElement
ipe(Issue const& iss)
{
return STPathElement(
STPathElement::typeCurrency | STPathElement::typeIssuer,
xrpAccount(),
iss.currency,
iss.account);
};
// Issuer path element
STPathElement
iape(AccountID const& account)
{
return STPathElement(
STPathElement::typeIssuer, xrpAccount(), xrpCurrency(), account);
};
// Currency path element
STPathElement
cpe(Currency const& c)
{
return STPathElement(
STPathElement::typeCurrency, xrpAccount(), c, xrpAccount());
};
// All path element
STPathElement
allpe(AccountID const& a, Issue const& iss)
{
return STPathElement(
STPathElement::typeAccount | STPathElement::typeCurrency |
STPathElement::typeIssuer,
a,
iss.currency,
iss.account);
};
class ElementComboIter
{
enum class SB /*state bit*/
{ acc,
iss,
cur,
rootAcc,
rootIss,
xrp,
sameAccIss,
existingAcc,
existingCur,
existingIss,
prevAcc,
prevCur,
prevIss,
boundary,
last };
std::uint16_t state_ = 0;
static_assert(static_cast<size_t>(SB::last) <= sizeof(decltype(state_)) * 8, "");
STPathElement const* prev_ = nullptr;
// disallow iss and cur to be specified with acc is specified (simplifies some tests)
bool const allowCompound_ = false;
bool
has(SB s) const
{
return state_ & (1 << static_cast<int>(s));
}
bool
hasAny(std::initializer_list<SB> sb) const
{
for (auto const s : sb)
if (has(s))
return true;
return false;
}
size_t
count(std::initializer_list<SB> sb) const
{
size_t result=0;
for (auto const s : sb)
if (has(s))
result++;
return result;
}
public:
explicit ElementComboIter(STPathElement const* prev = nullptr) : prev_(prev)
{
}
bool
valid() const
{
return
(allowCompound_ || !(has(SB::acc) && hasAny({SB::cur, SB::iss}))) &&
(!hasAny({SB::prevAcc, SB::prevCur, SB::prevIss}) || prev_) &&
(!hasAny({SB::rootAcc, SB::sameAccIss, SB::existingAcc, SB::prevAcc}) || has(SB::acc)) &&
(!hasAny({SB::rootIss, SB::sameAccIss, SB::existingIss, SB::prevIss}) || has(SB::iss)) &&
(!hasAny({SB::xrp, SB::existingCur, SB::prevCur}) || has(SB::cur)) &&
// These will be duplicates
(count({SB::xrp, SB::existingCur, SB::prevCur}) <= 1) &&
(count({SB::rootAcc, SB::existingAcc, SB::prevAcc}) <= 1) &&
(count({SB::rootIss, SB::existingIss, SB::rootIss}) <= 1);
}
bool
next()
{
if (!(has(SB::last)))
{
do
{
++state_;
} while (!valid());
}
return !has(SB::last);
}
template <
class Col,
class AccFactory,
class IssFactory,
class CurrencyFactory>
void
emplace_into(
Col& col,
AccFactory&& accF,
IssFactory&& issF,
CurrencyFactory&& currencyF,
boost::optional<AccountID> const& existingAcc,
boost::optional<Currency> const& existingCur,
boost::optional<AccountID> const& existingIss)
{
assert(!has(SB::last));
auto const acc = [&]() -> boost::optional<AccountID> {
if (!has(SB::acc))
return boost::none;
if (has(SB::rootAcc))
return xrpAccount();
if (has(SB::existingAcc) && existingAcc)
return existingAcc;
return accF().id();
}();
auto const iss = [&]() -> boost::optional<AccountID> {
if (!has(SB::iss))
return boost::none;
if (has(SB::rootIss))
return xrpAccount();
if (has(SB::sameAccIss))
return acc;
if (has(SB::existingIss) && existingIss)
return *existingIss;
return issF().id();
}();
auto const cur = [&]() -> boost::optional<Currency> {
if (!has(SB::cur))
return boost::none;
if (has(SB::xrp))
return xrpCurrency();
if (has(SB::existingCur) && existingCur)
return *existingCur;
return currencyF();
}();
if (!has(SB::boundary))
col.emplace_back(acc, cur, iss);
else
col.emplace_back(
STPathElement::Type::typeBoundary,
acc.value_or(AccountID{}),
cur.value_or(Currency{}),
iss.value_or(AccountID{}));
}
};
struct ExistingElementPool
{
std::vector<jtx::Account> accounts;
std::vector<ripple::Currency> currencies;
std::vector<std::string> currencyNames;
jtx::Account
getAccount(size_t id)
{
assert(id < accounts.size());
return accounts[id];
}
ripple::Currency
getCurrency(size_t id)
{
assert(id < currencies.size());
return currencies[id];
}
// ids from 0 through (nextAvail -1) have already been used in the
// path
size_t nextAvailAccount = 0;
size_t nextAvailCurrency = 0;
using ResetState = std::tuple<size_t, size_t>;
ResetState
getResetState() const
{
return std::make_tuple(nextAvailAccount, nextAvailCurrency);
}
void
resetTo(ResetState const& s)
{
std::tie(nextAvailAccount, nextAvailCurrency) = s;
}
struct StateGuard
{
ExistingElementPool& p_;
ResetState state_;
StateGuard(ExistingElementPool& p) : p_{p}, state_{p.getResetState()}
{
}
~StateGuard()
{
p_.resetTo(state_);
}
};
// Create the given number of accounts, and add trust lines so every
// account trusts every other with every currency
// Create an offer from every currency/account to every other
// currency/account; the offer owner is either the specified
// account or the issuer of the "taker gets" account
void
setupEnv(
jtx::Env& env,
size_t numAct,
size_t numCur,
boost::optional<size_t> const& offererIndex)
{
using namespace jtx;
assert(!offererIndex || offererIndex < numAct);
accounts.clear();
accounts.reserve(numAct);
currencies.clear();
currencies.reserve(numCur);
currencyNames.clear();
currencyNames.reserve(numCur);
constexpr size_t bufSize = 8;
char buf[bufSize];
for (size_t id = 0; id < numAct; ++id)
{
snprintf(buf, bufSize, "A%zu", id);
accounts.emplace_back(buf);
}
for (size_t id = 0; id < numCur; ++id)
{
if (id < 10)
snprintf(buf, bufSize, "CC%zu", id);
else if (id < 100)
snprintf(buf, bufSize, "C%zu", id);
else
snprintf(buf, bufSize, "%zu", id);
currencies.emplace_back(to_currency(buf));
currencyNames.emplace_back(buf);
}
for (auto const& a : accounts)
env.fund(XRP(100000), a);
// Every account trusts every other account with every currency
for (auto ai1 = accounts.begin(), aie = accounts.end(); ai1 != aie;
++ai1)
{
for (auto ai2 = accounts.begin(); ai2 != aie; ++ai2)
{
if (ai1 == ai2)
continue;
for (auto const& cn : currencyNames)
{
env.trust((*ai1)[cn](1'000'000), *ai2);
if (ai1 > ai2)
{
// accounts with lower indexes hold balances from
// accounts
// with higher indexes
auto const& src = *ai1;
auto const& dst = *ai2;
env(pay(src, dst, src[cn](500000)));
}
}
env.close();
}
}
std::vector<IOU> ious;
ious.reserve(numAct * numCur);
for (auto const& a : accounts)
for (auto const& cn : currencyNames)
ious.emplace_back(a[cn]);
// create offers from every currency to every other currency
for (auto takerPays = ious.begin(), ie = ious.end(); takerPays != ie;
++takerPays)
{
for (auto takerGets = ious.begin(); takerGets != ie; ++takerGets)
{
if (takerPays == takerGets)
continue;
auto const owner =
offererIndex ? accounts[*offererIndex] : takerGets->account;
if (owner.id() != takerGets->account.id())
env(pay(takerGets->account, owner, (*takerGets)(1000)));
env(offer(owner, (*takerPays)(1000), (*takerGets)(1000)),
txflags(tfPassive));
}
env.close();
}
// create offers to/from xrp to every other ious
for (auto const& iou : ious)
{
auto const owner =
offererIndex ? accounts[*offererIndex] : iou.account;
env(offer(owner, iou(1000), XRP(1000)), txflags(tfPassive));
env(offer(owner, XRP(1000), iou(1000)), txflags(tfPassive));
env.close();
}
}
std::int64_t
totalXRP(ReadView const& v, bool incRoot)
{
std::uint64_t totalXRP = 0;
auto add = [&](auto const& a) {
// XRP balance
auto const sle = v.read(keylet::account(a));
if (!sle)
return;
auto const b = (*sle)[sfBalance];
totalXRP += b.mantissa();
};
for (auto const& a : accounts)
add(a);
if (incRoot)
add(xrpAccount());
return totalXRP;
}
// Check that the balances for all accounts for all currencies & XRP are the
// same
bool
checkBalances(ReadView const& v1, ReadView const& v2)
{
std::vector<std::tuple<STAmount, STAmount, AccountID, AccountID>> diffs;
auto xrpBalance = [](ReadView const& v, ripple::Keylet const& k) {
auto const sle = v.read(k);
if (!sle)
return STAmount{};
return (*sle)[sfBalance];
};
auto lineBalance = [](ReadView const& v, ripple::Keylet const& k) {
auto const sle = v.read(k);
if (!sle)
return STAmount{};
return (*sle)[sfBalance];
};
std::uint64_t totalXRP[2];
for (auto ai1 = accounts.begin(), aie = accounts.end(); ai1 != aie;
++ai1)
{
{
// XRP balance
auto const ak = keylet::account(*ai1);
auto const b1 = xrpBalance(v1, ak);
auto const b2 = xrpBalance(v2, ak);
totalXRP[0] += b1.mantissa();
totalXRP[1] += b2.mantissa();
if (b1 != b2)
diffs.emplace_back(b1, b2, xrpAccount(), *ai1);
}
for (auto ai2 = accounts.begin(); ai2 != aie; ++ai2)
{
if (ai1 >= ai2)
continue;
for (auto const& c : currencies)
{
// Line balance
auto const lk = keylet::line(*ai1, *ai2, c);
auto const b1 = lineBalance(v1, lk);
auto const b2 = lineBalance(v2, lk);
if (b1 != b2)
diffs.emplace_back(b1, b2, *ai1, *ai2);
}
}
}
return diffs.empty();
}
jtx::Account
getAvailAccount()
{
return getAccount(nextAvailAccount++);
}
ripple::Currency
getAvailCurrency()
{
return getCurrency(nextAvailCurrency++);
}
template <class F>
void
for_each_element_pair(
STAmount const& sendMax,
STAmount const& deliver,
std::vector<STPathElement> const& prefix,
std::vector<STPathElement> const& suffix,
boost::optional<AccountID> const& existingAcc,
boost::optional<Currency> const& existingCur,
boost::optional<AccountID> const& existingIss,
F&& f)
{
auto accF = [&] { return this->getAvailAccount(); };
auto issF = [&] { return this->getAvailAccount(); };
auto currencyF = [&] { return this->getAvailCurrency(); };
STPathElement const* prevOuter =
prefix.empty() ? nullptr : &prefix.back();
ElementComboIter outer(prevOuter);
std::vector<STPathElement> outerResult;
std::vector<STPathElement> result;
auto const resultSize = prefix.size() + suffix.size() + 2;
outerResult.reserve(resultSize);
result.reserve(resultSize);
while (outer.next())
{
StateGuard og{*this};
outerResult = prefix;
outer.emplace_into(
outerResult,
accF,
issF,
currencyF,
existingAcc,
existingCur,
existingIss);
STPathElement const* prevInner = &outerResult.back();
ElementComboIter inner(prevInner);
while (inner.next())
{
StateGuard ig{*this};
result = outerResult;
inner.emplace_into(
result,
accF,
issF,
currencyF,
existingAcc,
existingCur,
existingIss);
result.insert(result.end(), suffix.begin(), suffix.end());
f(sendMax, deliver, result);
}
};
}
};
struct PayStrand_test : public beast::unit_test::suite
{
static bool hasFeature(uint256 const& feat)
{
return false;
}
static bool hasFeature(uint256 const& feat, std::initializer_list<uint256> args)
{
for(auto const& f : args)
if (f == feat)
return true;
return false;
}
// Test every combination of element type pairs on a path
void
testAllPairs()
{
testcase("All pairs");
using namespace jtx;
using RippleCalc = ::ripple::path::RippleCalc;
ExistingElementPool eep;
Env env(*this, features(featureToStrandV2));
auto const closeTime = amendmentRIPD1298SoTime() +
100 * env.closed()->info().closeTimeResolution;
env.close(closeTime);
eep.setupEnv(env, /*numAcc*/ 9, /*numCur*/ 6, boost::none);
env.close();
auto const src = eep.getAvailAccount();
auto const dst = eep.getAvailAccount();
RippleCalc::Input inputs;
inputs.defaultPathsAllowed = false;
auto callback = [&](
STAmount const& sendMax,
STAmount const& deliver,
std::vector<STPathElement> const& p) {
std::array<PaymentSandbox, 2> sbs{
{PaymentSandbox{env.current().get(), tapNONE},
PaymentSandbox{env.current().get(), tapNONE}}};
std::array<RippleCalc::Output, 2> rcOutputs;
// pay with both env1 and env2
// check all result and account balances match
// save results so can see if run out of funds or somesuch
STPathSet paths;
paths.emplace_back(p);
for (auto i = 0; i < 2; ++i)
{
if (i == 0)
env.app().config().features.insert(featureFlow);
else
env.app().config().features.erase(featureFlow);
try
{
rcOutputs[i] = RippleCalc::rippleCalculate(
sbs[i],
sendMax,
deliver,
dst,
src,
paths,
env.app().logs(),
&inputs);
}
catch (...)
{
this->fail();
}
}
// check combinations of src and dst currencies (inc xrp)
// Check the results
auto const terMatch = [&] {
if (rcOutputs[0].result() == rcOutputs[1].result())
return true;
// handle some know error code mismatches
if (p.empty() ||
!(rcOutputs[0].result() == temBAD_PATH ||
rcOutputs[0].result() == temBAD_PATH_LOOP))
return false;
if (rcOutputs[1].result() == temBAD_PATH)
return true;
if (rcOutputs[1].result() == terNO_LINE)
return true;
for (auto const& pe : p)
{
auto const t = pe.getNodeType();
if ((t & STPathElement::typeAccount) &&
t != STPathElement::typeAccount)
{
return true;
}
}
// xrp followed by offer that doesn't specify both currency and
// issuer (and currency is not xrp, if specifyed)
if (isXRP(sendMax) &&
!(p[0].hasCurrency() && isXRP(p[0].getCurrency())) &&
!(p[0].hasCurrency() && p[0].hasIssuer()))
{
return true;
}
for (size_t i = 0; i < p.size() - 1; ++i)
{
auto const tCur = p[i].getNodeType();
auto const tNext = p[i + 1].getNodeType();
if ((tCur & STPathElement::typeCurrency) &&
isXRP(p[i].getCurrency()) &&
(tNext & STPathElement::typeAccount) &&
!isXRP(p[i + 1].getAccountID()))
{
return true;
}
}
return false;
}();
this->BEAST_EXPECT(
terMatch && (rcOutputs[0].result() == tesSUCCESS ||
rcOutputs[0].result() == temBAD_PATH ||
rcOutputs[0].result() == temBAD_PATH_LOOP));
if (terMatch && rcOutputs[0].result() == tesSUCCESS)
this->BEAST_EXPECT(eep.checkBalances(sbs[0], sbs[1]));
};
std::vector<STPathElement> prefix;
std::vector<STPathElement> suffix;
for (auto srcAmtIsXRP : {false, true})
{
for (auto dstAmtIsXRP : {false, true})
{
for (auto hasPrefix : {false, true})
{
ExistingElementPool::StateGuard esg{eep};
prefix.clear();
suffix.clear();
STAmount const sendMax{
srcAmtIsXRP ? xrpIssue() : Issue{eep.getAvailCurrency(),
eep.getAvailAccount()},
-1, // (-1 == no limit)
0};
STAmount const deliver{
dstAmtIsXRP ? xrpIssue() : Issue{eep.getAvailCurrency(),
eep.getAvailAccount()},
1,
0};
if (hasPrefix)
{
for(auto e0IsAccount : {false, true})
{
for (auto e1IsAccount : {false, true})
{
ExistingElementPool::StateGuard presg{eep};
prefix.clear();
auto pushElement =
[&prefix, &eep](bool isAccount) mutable {
if (isAccount)
prefix.emplace_back(
eep.getAvailAccount().id(),
boost::none,
boost::none);
else
prefix.emplace_back(
boost::none,
eep.getAvailCurrency(),
eep.getAvailAccount().id());
};
pushElement(e0IsAccount);
pushElement(e1IsAccount);
boost::optional<AccountID> existingAcc;
boost::optional<Currency> existingCur;
boost::optional<AccountID> existingIss;
if (e0IsAccount)
{
existingAcc = prefix[0].getAccountID();
}
else
{
existingIss = prefix[0].getIssuerID();
existingCur = prefix[0].getCurrency();
}
if (e1IsAccount)
{
if (!existingAcc)
existingAcc = prefix[1].getAccountID();
}
else
{
if (!existingIss)
existingIss = prefix[1].getIssuerID();
if (!existingCur)
existingCur = prefix[1].getCurrency();
}
eep.for_each_element_pair(
sendMax,
deliver,
prefix,
suffix,
existingAcc,
existingCur,
existingIss,
callback);
}
}
}
else
{
eep.for_each_element_pair(
sendMax,
deliver,
prefix,
suffix,
/*existingAcc*/ boost::none,
/*existingCur*/ boost::none,
/*existingIss*/ boost::none,
callback);
}
}
}
}
}
void
testToStrand(std::initializer_list<uint256> fs)
{
testcase("To Strand");
using namespace jtx;
auto const alice = Account("alice");
auto const bob = Account("bob");
auto const carol = Account("carol");
auto const gw = Account("gw");
auto const USD = gw["USD"];
auto const EUR = gw["EUR"];
auto const eurC = EUR.currency;
auto const usdC = USD.currency;
using D = DirectStepInfo;
using B = ripple::Book;
using XRPS = XRPEndpointStepInfo;
auto test = [&, this](
jtx::Env& env,
Issue const& deliver,
boost::optional<Issue> const& sendMaxIssue,
STPath const& path,
TER expTer,
auto&&... expSteps) {
auto r = toStrand(
*env.current(),
alice,
bob,
deliver,
sendMaxIssue,
path,
true,
env.app().logs().journal("Flow"));
BEAST_EXPECT(r.first == expTer);
if (sizeof...(expSteps))
BEAST_EXPECT(equal(
r.second, std::forward<decltype(expSteps)>(expSteps)...));
};
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, gw);
env.trust(USD(1000), alice, bob);
env.trust(EUR(1000), alice, bob);
env(pay(gw, alice, EUR(100)));
{
STPath const path =
STPath({ipe(bob["USD"]), cpe(EUR.currency)});
auto r = toStrand(
*env.current(),
alice,
alice,
/*deliver*/ xrpIssue(),
/*sendMaxIssue*/ EUR.issue(),
path,
true,
env.app().logs().journal("Flow"));
BEAST_EXPECT(r.first == tesSUCCESS);
}
{
STPath const path = STPath({ipe(USD), cpe(xrpCurrency())});
auto r = toStrand(
*env.current(),
alice,
alice,
/*deliver*/ xrpIssue(),
/*sendMaxIssue*/ xrpIssue(),
path,
true,
env.app().logs().journal("Flow"));
BEAST_EXPECT(r.first == tesSUCCESS);
}
return;
};
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, carol, gw);
test(env, USD, boost::none, STPath(), terNO_LINE);
env.trust(USD(1000), alice, bob, carol);
test(env, USD, boost::none, STPath(), tecPATH_DRY);
env(pay(gw, alice, USD(100)));
env(pay(gw, carol, USD(100)));
// Insert implied account
test(
env,
USD,
boost::none,
STPath(),
tesSUCCESS,
D{alice, gw, usdC},
D{gw, bob, usdC});
env.trust(EUR(1000), alice, bob);
// Insert implied offer
test(
env,
EUR,
USD.issue(),
STPath(),
tesSUCCESS,
D{alice, gw, usdC},
B{USD, EUR},
D{gw, bob, eurC});
// Path with explicit offer
test(
env,
EUR,
USD.issue(),
STPath({ipe(EUR)}),
tesSUCCESS,
D{alice, gw, usdC},
B{USD, EUR},
D{gw, bob, eurC});
// Path with offer that changes issuer only
env.trust(carol["USD"](1000), bob);
test(
env,
carol["USD"],
USD.issue(),
STPath({iape(carol)}),
tesSUCCESS,
D{alice, gw, usdC},
B{USD, carol["USD"]},
D{carol, bob, usdC});
// Path with XRP src currency
test(
env,
USD,
xrpIssue(),
STPath({ipe(USD)}),
tesSUCCESS,
XRPS{alice},
B{XRP, USD},
D{gw, bob, usdC});
// Path with XRP dst currency
test(
env,
xrpIssue(),
USD.issue(),
STPath({ipe(XRP)}),
tesSUCCESS,
D{alice, gw, usdC},
B{USD, XRP},
XRPS{bob});
// Path with XRP cross currency bridged payment
test(
env,
EUR,
USD.issue(),
STPath({cpe(xrpCurrency())}),
tesSUCCESS,
D{alice, gw, usdC},
B{USD, XRP},
B{XRP, EUR},
D{gw, bob, eurC});
// XRP -> XRP transaction can't include a path
test(env, XRP, boost::none, STPath({ape(carol)}), temBAD_PATH);
{
// The root account can't be the src or dst
auto flowJournal = env.app().logs().journal("Flow");
{
// The root account can't be the dst
auto r = toStrand(
*env.current(),
alice,
xrpAccount(),
XRP,
USD.issue(),
STPath(),
true,
flowJournal);
BEAST_EXPECT(r.first == temBAD_PATH);
}
{
// The root account can't be the src
auto r = toStrand(
*env.current(),
xrpAccount(),
alice,
XRP,
boost::none,
STPath(),
true,
flowJournal);
BEAST_EXPECT(r.first == temBAD_PATH);
}
{
// The root account can't be the src
auto r = toStrand(
*env.current(),
noAccount(),
bob,
USD,
boost::none,
STPath(),
true,
flowJournal);
BEAST_EXPECT(r.first == terNO_ACCOUNT);
}
}
// Create an offer with the same in/out issue
test(
env,
EUR,
USD.issue(),
STPath({ipe(USD), ipe(EUR)}),
temBAD_PATH);
// Path element with type zero
test(
env,
USD,
boost::none,
STPath({STPathElement(
0, xrpAccount(), xrpCurrency(), xrpAccount())}),
temBAD_PATH);
// The same account can't appear more than once on a path
// `gw` will be used from alice->carol and implied between carol
// and bob
test(
env,
USD,
boost::none,
STPath({ape(gw), ape(carol)}),
temBAD_PATH_LOOP);
// The same offer can't appear more than once on a path
test(
env,
EUR,
USD.issue(),
STPath({ipe(EUR), ipe(USD), ipe(EUR)}),
temBAD_PATH_LOOP);
}
{
// cannot have more than one offer with the same output issue
using namespace jtx;
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, carol, gw);
env.trust(USD(10000), alice, bob, carol);
env.trust(EUR(10000), alice, bob, carol);
env(pay(gw, bob, USD(100)));
env(pay(gw, bob, EUR(100)));
env(offer(bob, XRP(100), USD(100)));
env(offer(bob, USD(100), EUR(100)), txflags(tfPassive));
env(offer(bob, EUR(100), USD(100)), txflags(tfPassive));
// payment path: XRP -> XRP/USD -> USD/EUR -> EUR/USD
env(pay(alice, carol, USD(100)),
path(~USD, ~EUR, ~USD),
sendmax(XRP(200)),
txflags(tfNoRippleDirect),
ter(temBAD_PATH_LOOP));
}
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, noripple(gw));
env.trust(USD(1000), alice, bob);
env(pay(gw, alice, USD(100)));
test(env, USD, boost::none, STPath(), terNO_RIPPLE);
}
{
// check global freeze
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, gw);
env.trust(USD(1000), alice, bob);
env(pay(gw, alice, USD(100)));
// Account can still issue payments
env(fset(alice, asfGlobalFreeze));
test(env, USD, boost::none, STPath(), tesSUCCESS);
env(fclear(alice, asfGlobalFreeze));
test(env, USD, boost::none, STPath(), tesSUCCESS);
// Account can not issue funds
env(fset(gw, asfGlobalFreeze));
test(env, USD, boost::none, STPath(), terNO_LINE);
env(fclear(gw, asfGlobalFreeze));
test(env, USD, boost::none, STPath(), tesSUCCESS);
// Account can not receive funds
env(fset(bob, asfGlobalFreeze));
test(env, USD, boost::none, STPath(), terNO_LINE);
env(fclear(bob, asfGlobalFreeze));
test(env, USD, boost::none, STPath(), tesSUCCESS);
}
{
// Freeze between gw and alice
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, gw);
env.trust(USD(1000), alice, bob);
env(pay(gw, alice, USD(100)));
test(env, USD, boost::none, STPath(), tesSUCCESS);
env(trust(gw, alice["USD"](0), tfSetFreeze));
BEAST_EXPECT(getTrustFlag(env, gw, alice, usdC, TrustFlag::freeze));
test(env, USD, boost::none, STPath(), terNO_LINE);
}
{
// check no auth
// An account may require authorization to receive IOUs from an
// issuer
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, gw);
env(fset(gw, asfRequireAuth));
env.trust(USD(1000), alice, bob);
// Authorize alice but not bob
env(trust(gw, alice["USD"](1000), tfSetfAuth));
BEAST_EXPECT(getTrustFlag(env, gw, alice, usdC, TrustFlag::auth));
env(pay(gw, alice, USD(100)));
env.require(balance(alice, USD(100)));
test(env, USD, boost::none, STPath(), terNO_AUTH);
// Check pure issue redeem still works
auto r = toStrand(
*env.current(),
alice,
gw,
USD,
boost::none,
STPath(),
true,
env.app().logs().journal("Flow"));
BEAST_EXPECT(r.first == tesSUCCESS);
BEAST_EXPECT(equal(r.second, D{alice, gw, usdC}));
}
{
// Check path with sendMax and node with correct sendMax already set
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, gw);
env.trust(USD(1000), alice, bob);
env.trust(EUR(1000), alice, bob);
env(pay(gw, alice, EUR(100)));
auto const path = STPath({STPathElement(
STPathElement::typeAll,
EUR.account,
EUR.currency,
EUR.account)});
test(env, USD, EUR.issue(), path, tesSUCCESS);
}
{
// last step xrp from offer
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, gw);
env.trust(USD(1000), alice, bob);
env(pay(gw, alice, USD(100)));
// alice -> USD/XRP -> bob
STPath path;
path.emplace_back(boost::none, USD.currency, USD.account.id());
path.emplace_back(boost::none, xrpCurrency(), boost::none);
auto r = toStrand(
*env.current(),
alice,
bob,
XRP,
USD.issue(),
path,
false,
env.app().logs().journal("Flow"));
BEAST_EXPECT(r.first == tesSUCCESS);
BEAST_EXPECT(equal(r.second, D{alice, gw, usdC}, B{USD.issue(), xrpIssue()}, XRPS{bob}));
}
}
void
testRIPD1373(std::initializer_list<uint256> fs)
{
using namespace jtx;
testcase("RIPD1373");
auto const alice = Account("alice");
auto const bob = Account("bob");
auto const carol = Account("carol");
auto const gw = Account("gw");
auto const USD = gw["USD"];
auto const EUR = gw["EUR"];
if (hasFeature(featureToStrandV2, fs))
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, gw);
env.trust(USD(1000), alice, bob);
env.trust(EUR(1000), alice, bob);
env.trust(bob["USD"](1000), alice, gw);
env.trust(bob["EUR"](1000), alice, gw);
env(offer(bob, XRP(100), bob["USD"](100)), txflags(tfPassive));
env(offer(gw, XRP(100), USD(100)), txflags(tfPassive));
env(offer(bob, bob["USD"](100), bob["EUR"](100)),
txflags(tfPassive));
env(offer(gw, USD(100), EUR(100)), txflags(tfPassive));
Path const p = [&] {
Path result;
result.push_back(allpe(gw, bob["USD"]));
result.push_back(cpe(EUR.currency));
return result;
}();
PathSet paths(p);
env(pay(alice, alice, EUR(1)),
json(paths.json()),
sendmax(XRP(10)),
txflags(tfNoRippleDirect | tfPartialPayment),
ter(temBAD_PATH));
}
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, carol, gw);
env.trust(USD(10000), alice, bob, carol);
env(pay(gw, bob, USD(100)));
env(offer(bob, XRP(100), USD(100)), txflags(tfPassive));
env(offer(bob, USD(100), XRP(100)), txflags(tfPassive));
// payment path: XRP -> XRP/USD -> USD/XRP
env(pay(alice, carol, XRP(100)),
path(~USD, ~XRP),
txflags(tfNoRippleDirect),
ter(temBAD_SEND_XRP_PATHS));
}
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, carol, gw);
env.trust(USD(10000), alice, bob, carol);
env(pay(gw, bob, USD(100)));
env(offer(bob, XRP(100), USD(100)), txflags(tfPassive));
env(offer(bob, USD(100), XRP(100)), txflags(tfPassive));
// payment path: XRP -> XRP/USD -> USD/XRP
env(pay(alice, carol, XRP(100)),
path(~USD, ~XRP),
sendmax(XRP(200)),
txflags(tfNoRippleDirect),
ter(temBAD_SEND_XRP_MAX));
}
}
void
testLoop(std::initializer_list<uint256> fs)
{
testcase("test loop");
using namespace jtx;
auto const alice = Account("alice");
auto const bob = Account("bob");
auto const carol = Account("carol");
auto const gw = Account("gw");
auto const USD = gw["USD"];
auto const EUR = gw["EUR"];
auto const CNY = gw["CNY"];
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, carol, gw);
env.trust(USD(10000), alice, bob, carol);
env(pay(gw, bob, USD(100)));
env(pay(gw, alice, USD(100)));
env(offer(bob, XRP(100), USD(100)), txflags(tfPassive));
env(offer(bob, USD(100), XRP(100)), txflags(tfPassive));
auto const expectedResult = [&] {
if (hasFeature(featureFlow, fs) &&
!hasFeature(featureToStrandV2, fs))
return tesSUCCESS;
return temBAD_PATH_LOOP;
}();
// payment path: USD -> USD/XRP -> XRP/USD
env(pay(alice, carol, USD(100)),
sendmax(USD(100)),
path(~XRP, ~USD),
txflags(tfNoRippleDirect),
ter(expectedResult));
}
{
Env env(*this, features(fs));
env.fund(XRP(10000), alice, bob, carol, gw);
env.trust(USD(10000), alice, bob, carol);
env.trust(EUR(10000), alice, bob, carol);
env.trust(CNY(10000), alice, bob, carol);
env(pay(gw, bob, USD(100)));
env(pay(gw, bob, EUR(100)));
env(pay(gw, bob, CNY(100)));
env(offer(bob, XRP(100), USD(100)), txflags(tfPassive));
env(offer(bob, USD(100), EUR(100)), txflags(tfPassive));
env(offer(bob, EUR(100), CNY(100)), txflags(tfPassive));
// payment path: XRP->XRP/USD->USD/EUR->USD/CNY
env(pay(alice, carol, CNY(100)),
sendmax(XRP(100)),
path(~USD, ~EUR, ~USD, ~CNY),
txflags(tfNoRippleDirect),
ter(temBAD_PATH_LOOP));
}
}
void
run() override
{
testAllPairs();
testToStrand({featureFlow});
testToStrand({featureFlow, featureToStrandV2});
testRIPD1373({});
testRIPD1373({featureFlow, featureToStrandV2});
testLoop({});
testLoop({featureFlow});
testLoop({featureFlow, featureToStrandV2});
}
};
BEAST_DEFINE_TESTSUITE_MANUAL(PayStrand, app, ripple);
} // test
} // ripple
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