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xahaud/src/test/app/PayChan_test.cpp

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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 <ripple/basics/chrono.h>
#include <ripple/protocol/Feature.h>
#include <ripple/protocol/Indexes.h>
#include <ripple/protocol/jss.h>
#include <ripple/protocol/PayChan.h>
#include <ripple/protocol/TxFlags.h>
#include <test/jtx.h>
#include <chrono>
namespace ripple
{
namespace test
{
struct PayChan_test : public beast::unit_test::suite
{
static
uint256
channel (ReadView const& view,
jtx::Account const& account,
jtx::Account const& dst)
{
auto const sle = view.read (keylet::account (account));
if (!sle)
return beast::zero;
auto const k = keylet::payChan (account, dst, (*sle)[sfSequence] - 1);
return k.key;
}
static Buffer
signClaimAuth (PublicKey const& pk,
SecretKey const& sk,
uint256 const& channel,
STAmount const& authAmt)
{
Serializer msg;
serializePayChanAuthorization (msg, channel, authAmt.xrp ());
return sign (pk, sk, msg.slice ());
}
static
STAmount
channelBalance (ReadView const& view, uint256 const& chan)
{
auto const slep = view.read ({ltPAYCHAN, chan});
if (!slep)
return XRPAmount{-1};
return (*slep)[sfBalance];
}
static
bool
channelExists (ReadView const& view, uint256 const& chan)
{
auto const slep = view.read ({ltPAYCHAN, chan});
return bool(slep);
}
static
STAmount
channelAmount (ReadView const& view, uint256 const& chan)
{
auto const slep = view.read ({ltPAYCHAN, chan});
if (!slep)
return XRPAmount{-1};
return (*slep)[sfAmount];
}
static
boost::optional<std::int64_t>
channelExpiration (ReadView const& view, uint256 const& chan)
{
auto const slep = view.read ({ltPAYCHAN, chan});
if (!slep)
return boost::none;
if (auto const r = (*slep)[~sfExpiration])
return r.value();
return boost::none;
}
static Json::Value
create (jtx::Account const& account,
jtx::Account const& to,
STAmount const& amount,
NetClock::duration const& settleDelay,
PublicKey const& pk,
boost::optional<NetClock::time_point> const& cancelAfter = boost::none,
boost::optional<std::uint32_t> const& dstTag = boost::none)
{
using namespace jtx;
Json::Value jv;
jv[jss::TransactionType] = jss::PaymentChannelCreate;
jv[jss::Flags] = tfUniversal;
jv[jss::Account] = account.human ();
jv[jss::Destination] = to.human ();
jv[jss::Amount] = amount.getJson (JsonOptions::none);
jv["SettleDelay"] = settleDelay.count ();
jv["PublicKey"] = strHex (pk.slice ());
if (cancelAfter)
jv["CancelAfter"] = cancelAfter->time_since_epoch ().count ();
if (dstTag)
jv["DestinationTag"] = *dstTag;
return jv;
}
static
Json::Value
fund (jtx::Account const& account,
uint256 const& channel,
STAmount const& amount,
boost::optional<NetClock::time_point> const& expiration = boost::none)
{
using namespace jtx;
Json::Value jv;
jv[jss::TransactionType] = jss::PaymentChannelFund;
jv[jss::Flags] = tfUniversal;
jv[jss::Account] = account.human ();
jv["Channel"] = to_string (channel);
jv[jss::Amount] = amount.getJson (JsonOptions::none);
if (expiration)
jv["Expiration"] = expiration->time_since_epoch ().count ();
return jv;
}
static
Json::Value
claim (jtx::Account const& account,
uint256 const& channel,
boost::optional<STAmount> const& balance = boost::none,
boost::optional<STAmount> const& amount = boost::none,
boost::optional<Slice> const& signature = boost::none,
boost::optional<PublicKey> const& pk = boost::none)
{
using namespace jtx;
Json::Value jv;
jv[jss::TransactionType] = jss::PaymentChannelClaim;
jv[jss::Flags] = tfUniversal;
jv[jss::Account] = account.human ();
jv["Channel"] = to_string (channel);
if (amount)
jv[jss::Amount] = amount->getJson (JsonOptions::none);
if (balance)
jv["Balance"] = balance->getJson (JsonOptions::none);
if (signature)
jv["Signature"] = strHex (*signature);
if (pk)
jv["PublicKey"] = strHex (pk->slice ());
return jv;
}
void
testSimple ()
{
testcase ("simple");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
auto USDA = alice["USD"];
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 100s;
env (create (alice, bob, XRP (1000), settleDelay, pk));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelBalance (*env.current (), chan) == XRP (0));
BEAST_EXPECT (channelAmount (*env.current (), chan) == XRP (1000));
{
auto const preAlice = env.balance (alice);
env (fund (alice, chan, XRP (1000)));
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (env.balance (alice) == preAlice - XRP (1000) - feeDrops);
}
auto chanBal = channelBalance (*env.current (), chan);
auto chanAmt = channelAmount (*env.current (), chan);
BEAST_EXPECT (chanBal == XRP (0));
BEAST_EXPECT (chanAmt == XRP (2000));
{
// bad amounts (non-xrp, negative amounts)
env (create (alice, bob, USDA (1000), settleDelay, pk),
ter (temBAD_AMOUNT));
env (fund (alice, chan, USDA (1000)),
ter (temBAD_AMOUNT));
env (create (alice, bob, XRP (-1000), settleDelay, pk),
ter (temBAD_AMOUNT));
env (fund (alice, chan, XRP (-1000)),
ter (temBAD_AMOUNT));
}
// invalid account
env (create (alice, "noAccount", XRP (1000), settleDelay, pk),
ter (tecNO_DST));
// can't create channel to the same account
env (create (alice, alice, XRP (1000), settleDelay, pk),
ter (temDST_IS_SRC));
// invalid channel
env (fund (alice, channel (*env.current (), alice, "noAccount"), XRP (1000)),
ter (tecNO_ENTRY));
// not enough funds
env (create (alice, bob, XRP (10000), settleDelay, pk),
ter (tecUNFUNDED));
{
// No signature claim with bad amounts (negative and non-xrp)
auto const iou = USDA (100).value ();
auto const negXRP = XRP (-100).value ();
auto const posXRP = XRP (100).value ();
env (claim (alice, chan, iou, iou), ter (temBAD_AMOUNT));
env (claim (alice, chan, posXRP, iou), ter (temBAD_AMOUNT));
env (claim (alice, chan, iou, posXRP), ter (temBAD_AMOUNT));
env (claim (alice, chan, negXRP, negXRP), ter (temBAD_AMOUNT));
env (claim (alice, chan, posXRP, negXRP), ter (temBAD_AMOUNT));
env (claim (alice, chan, negXRP, posXRP), ter (temBAD_AMOUNT));
}
{
// No signature claim more than authorized
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
auto const authAmt = reqBal + XRP (-100);
assert (reqBal <= chanAmt);
env (claim (alice, chan, reqBal, authAmt), ter (temBAD_AMOUNT));
}
{
// No signature needed since the owner is claiming
auto const preBob = env.balance (bob);
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
auto const authAmt = reqBal + XRP (100);
assert (reqBal <= chanAmt);
env (claim (alice, chan, reqBal, authAmt));
BEAST_EXPECT (channelBalance (*env.current (), chan) == reqBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
BEAST_EXPECT (env.balance (bob) == preBob + delta);
chanBal = reqBal;
}
{
// Claim with signature
auto preBob = env.balance (bob);
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
auto const authAmt = reqBal + XRP (100);
assert (reqBal <= chanAmt);
auto const sig =
signClaimAuth (alice.pk (), alice.sk (), chan, authAmt);
env (claim (bob, chan, reqBal, authAmt, Slice (sig), alice.pk ()));
BEAST_EXPECT (channelBalance (*env.current (), chan) == reqBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (env.balance (bob) == preBob + delta - feeDrops);
chanBal = reqBal;
// claim again
preBob = env.balance (bob);
env (claim (bob, chan, reqBal, authAmt, Slice (sig), alice.pk ()),
ter (tecUNFUNDED_PAYMENT));
BEAST_EXPECT (channelBalance (*env.current (), chan) == chanBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
BEAST_EXPECT (env.balance (bob) == preBob - feeDrops);
}
{
// Try to claim more than authorized
auto const preBob = env.balance (bob);
STAmount const authAmt = chanBal + XRP (500);
STAmount const reqAmt = authAmt + 1;
assert (reqAmt <= chanAmt);
auto const sig =
signClaimAuth (alice.pk (), alice.sk (), chan, authAmt);
env (claim (bob, chan, reqAmt, authAmt, Slice (sig), alice.pk ()),
ter (temBAD_AMOUNT));
BEAST_EXPECT (channelBalance (*env.current (), chan) == chanBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
BEAST_EXPECT (env.balance (bob) == preBob);
}
// Dst tries to fund the channel
env (fund (bob, chan, XRP (1000)), ter (tecNO_PERMISSION));
BEAST_EXPECT (channelBalance (*env.current (), chan) == chanBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
{
// Wrong signing key
auto const sig =
signClaimAuth (bob.pk (), bob.sk (), chan, XRP (1500));
env (claim (bob, chan, XRP (1500).value (), XRP (1500).value (),
Slice (sig), bob.pk ()),
ter (temBAD_SIGNER));
BEAST_EXPECT (channelBalance (*env.current (), chan) == chanBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
}
{
// Bad signature
auto const sig =
signClaimAuth (bob.pk (), bob.sk (), chan, XRP (1500));
env (claim (bob, chan, XRP (1500).value (), XRP (1500).value (),
Slice (sig), alice.pk ()),
ter (temBAD_SIGNATURE));
BEAST_EXPECT (channelBalance (*env.current (), chan) == chanBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
}
{
// Dst closes channel
auto const preAlice = env.balance (alice);
auto const preBob = env.balance (bob);
env (claim (bob, chan), txflags (tfClose));
BEAST_EXPECT (!channelExists (*env.current (), chan));
auto const feeDrops = env.current ()->fees ().base;
auto const delta = chanAmt - chanBal;
assert (delta > beast::zero);
BEAST_EXPECT (env.balance (alice) == preAlice + delta);
BEAST_EXPECT (env.balance (bob) == preBob - feeDrops);
}
}
void
testCancelAfter ()
{
testcase ("cancel after");
using namespace jtx;
using namespace std::literals::chrono_literals;
auto const alice = Account ("alice");
auto const bob = Account ("bob");
auto const carol = Account ("carol");
{
// If dst claims after cancel after, channel closes
Env env (*this);
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 100s;
NetClock::time_point const cancelAfter =
env.current ()->info ().parentCloseTime + 3600s;
auto const channelFunds = XRP (1000);
env (create (
alice, bob, channelFunds, settleDelay, pk, cancelAfter));
auto const chan = channel (*env.current (), alice, bob);
if (!chan)
{
fail ();
return;
}
BEAST_EXPECT (channelExists (*env.current (), chan));
env.close (cancelAfter);
{
// dst cannot claim after cancelAfter
auto const chanBal = channelBalance (*env.current (), chan);
auto const chanAmt = channelAmount (*env.current (), chan);
auto preAlice = env.balance (alice);
auto preBob = env.balance (bob);
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
auto const authAmt = reqBal + XRP (100);
assert (reqBal <= chanAmt);
auto const sig =
signClaimAuth (alice.pk (), alice.sk (), chan, authAmt);
env (claim (
bob, chan, reqBal, authAmt, Slice (sig), alice.pk ()));
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (!channelExists (*env.current (), chan));
BEAST_EXPECT (env.balance (bob) == preBob - feeDrops);
BEAST_EXPECT (env.balance (alice) == preAlice + channelFunds);
}
}
{
// Third party can close after cancel after
Env env (*this);
env.fund (XRP (10000), alice, bob, carol);
auto const pk = alice.pk ();
auto const settleDelay = 100s;
NetClock::time_point const cancelAfter =
env.current ()->info ().parentCloseTime + 3600s;
auto const channelFunds = XRP (1000);
env (create (
alice, bob, channelFunds, settleDelay, pk, cancelAfter));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
// third party close before cancelAfter
env (claim (carol, chan), txflags (tfClose),
ter (tecNO_PERMISSION));
BEAST_EXPECT (channelExists (*env.current (), chan));
env.close (cancelAfter);
// third party close after cancelAfter
auto const preAlice = env.balance (alice);
env (claim (carol, chan), txflags (tfClose));
BEAST_EXPECT (!channelExists (*env.current (), chan));
BEAST_EXPECT (env.balance (alice) == preAlice + channelFunds);
}
}
void
testExpiration ()
{
testcase ("expiration");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
auto const carol = Account ("carol");
env.fund (XRP (10000), alice, bob, carol);
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
auto const closeTime = env.current ()->info ().parentCloseTime;
auto const minExpiration = closeTime + settleDelay;
NetClock::time_point const cancelAfter = closeTime + 7200s;
auto const channelFunds = XRP (1000);
env (create (alice, bob, channelFunds, settleDelay, pk, cancelAfter));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
BEAST_EXPECT (!channelExpiration (*env.current (), chan));
// Owner closes, will close after settleDelay
env (claim (alice, chan), txflags (tfClose));
auto counts = [](
auto const& t) { return t.time_since_epoch ().count (); };
BEAST_EXPECT (*channelExpiration (*env.current (), chan) ==
counts (minExpiration));
// increase the expiration time
env (fund (
alice, chan, XRP (1), NetClock::time_point{minExpiration + 100s}));
BEAST_EXPECT (*channelExpiration (*env.current (), chan) ==
counts (minExpiration) + 100);
// decrease the expiration, but still above minExpiration
env (fund (
alice, chan, XRP (1), NetClock::time_point{minExpiration + 50s}));
BEAST_EXPECT (*channelExpiration (*env.current (), chan) ==
counts (minExpiration) + 50);
// decrease the expiration below minExpiration
env (fund (alice, chan, XRP (1),
NetClock::time_point{minExpiration - 50s}),
ter (temBAD_EXPIRATION));
BEAST_EXPECT (*channelExpiration (*env.current (), chan) ==
counts (minExpiration) + 50);
env (claim (bob, chan), txflags (tfRenew), ter (tecNO_PERMISSION));
BEAST_EXPECT (*channelExpiration (*env.current (), chan) ==
counts (minExpiration) + 50);
env (claim (alice, chan), txflags (tfRenew));
BEAST_EXPECT (!channelExpiration (*env.current (), chan));
// decrease the expiration below minExpiration
env (fund (alice, chan, XRP (1),
NetClock::time_point{minExpiration - 50s}),
ter (temBAD_EXPIRATION));
BEAST_EXPECT (!channelExpiration (*env.current (), chan));
env (fund (alice, chan, XRP (1), NetClock::time_point{minExpiration}));
env.close (minExpiration);
// Try to extend the expiration after the expiration has already passed
env (fund (
alice, chan, XRP (1), NetClock::time_point{minExpiration + 1000s}));
BEAST_EXPECT (!channelExists (*env.current (), chan));
}
void
testSettleDelay ()
{
testcase ("settle delay");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
NetClock::time_point const settleTimepoint =
env.current ()->info ().parentCloseTime + settleDelay;
auto const channelFunds = XRP (1000);
env (create (alice, bob, channelFunds, settleDelay, pk));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
// Owner closes, will close after settleDelay
env (claim (alice, chan), txflags (tfClose));
BEAST_EXPECT (channelExists (*env.current (), chan));
env.close (settleTimepoint-settleDelay/2);
{
// receiver can still claim
auto const chanBal = channelBalance (*env.current (), chan);
auto const chanAmt = channelAmount (*env.current (), chan);
auto preBob = env.balance (bob);
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
auto const authAmt = reqBal + XRP (100);
assert (reqBal <= chanAmt);
auto const sig =
signClaimAuth (alice.pk (), alice.sk (), chan, authAmt);
env (claim (bob, chan, reqBal, authAmt, Slice (sig), alice.pk ()));
BEAST_EXPECT (channelBalance (*env.current (), chan) == reqBal);
BEAST_EXPECT (channelAmount (*env.current (), chan) == chanAmt);
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (env.balance (bob) == preBob + delta - feeDrops);
}
env.close (settleTimepoint);
{
// past settleTime, channel will close
auto const chanBal = channelBalance (*env.current (), chan);
auto const chanAmt = channelAmount (*env.current (), chan);
auto const preAlice = env.balance (alice);
auto preBob = env.balance (bob);
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
auto const authAmt = reqBal + XRP (100);
assert (reqBal <= chanAmt);
auto const sig =
signClaimAuth (alice.pk (), alice.sk (), chan, authAmt);
env (claim (bob, chan, reqBal, authAmt, Slice (sig), alice.pk ()));
BEAST_EXPECT (!channelExists (*env.current (), chan));
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (env.balance (alice) == preAlice + chanAmt - chanBal);
BEAST_EXPECT (env.balance (bob) == preBob - feeDrops);
}
}
void
testCloseDry ()
{
testcase ("close dry");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
auto const channelFunds = XRP (1000);
env (create (alice, bob, channelFunds, settleDelay, pk));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
// Owner tries to close channel, but it will remain open (settle delay)
env (claim (alice, chan), txflags (tfClose));
BEAST_EXPECT (channelExists (*env.current (), chan));
{
// claim the entire amount
auto const preBob = env.balance (bob);
env (claim (
alice, chan, channelFunds.value (), channelFunds.value ()));
BEAST_EXPECT (channelBalance (*env.current (), chan) == channelFunds);
BEAST_EXPECT (env.balance (bob) == preBob + channelFunds);
}
auto const preAlice = env.balance (alice);
// Channel is now dry, can close before expiration date
env (claim (alice, chan), txflags (tfClose));
BEAST_EXPECT (!channelExists (*env.current (), chan));
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (env.balance (alice) == preAlice - feeDrops);
}
void
testDefaultAmount ()
{
// auth amount defaults to balance if not present
testcase ("default amount");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
auto const channelFunds = XRP (1000);
env (create (alice, bob, channelFunds, settleDelay, pk));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
// Owner tries to close channel, but it will remain open (settle delay)
env (claim (alice, chan), txflags (tfClose));
BEAST_EXPECT (channelExists (*env.current (), chan));
{
auto chanBal = channelBalance (*env.current (), chan);
auto chanAmt = channelAmount (*env.current (), chan);
auto const preBob = env.balance (bob);
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
assert (reqBal <= chanAmt);
auto const sig =
signClaimAuth (alice.pk (), alice.sk (), chan, reqBal);
env (claim (
bob, chan, reqBal, boost::none, Slice (sig), alice.pk ()));
BEAST_EXPECT (channelBalance (*env.current (), chan) == reqBal);
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (env.balance (bob) == preBob + delta - feeDrops);
chanBal = reqBal;
}
{
// Claim again
auto chanBal = channelBalance (*env.current (), chan);
auto chanAmt = channelAmount (*env.current (), chan);
auto const preBob = env.balance (bob);
auto const delta = XRP (500);
auto const reqBal = chanBal + delta;
assert (reqBal <= chanAmt);
auto const sig =
signClaimAuth (alice.pk (), alice.sk (), chan, reqBal);
env (claim (
bob, chan, reqBal, boost::none, Slice (sig), alice.pk ()));
BEAST_EXPECT (channelBalance (*env.current (), chan) == reqBal);
auto const feeDrops = env.current ()->fees ().base;
BEAST_EXPECT (env.balance (bob) == preBob + delta - feeDrops);
chanBal = reqBal;
}
}
void
testDisallowXRP ()
{
// auth amount defaults to balance if not present
testcase ("Disallow XRP");
using namespace jtx;
using namespace std::literals::chrono_literals;
auto const alice = Account ("alice");
auto const bob = Account ("bob");
{
// Create a channel where dst disallows XRP
Env env (*this, supported_amendments() - featureDepositAuth);
env.fund (XRP (10000), alice, bob);
env (fset (bob, asfDisallowXRP));
env (create (alice, bob, XRP (1000), 3600s, alice.pk()),
ter (tecNO_TARGET));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (!channelExists (*env.current (), chan));
}
{
// Create a channel where dst disallows XRP. Ignore that flag,
// since it's just advisory.
Env env (*this, supported_amendments());
env.fund (XRP (10000), alice, bob);
env (fset (bob, asfDisallowXRP));
env (create (alice, bob, XRP (1000), 3600s, alice.pk()));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
}
{
// Claim to a channel where dst disallows XRP
// (channel is created before disallow xrp is set)
Env env (*this, supported_amendments() - featureDepositAuth);
env.fund (XRP (10000), alice, bob);
env (create (alice, bob, XRP (1000), 3600s, alice.pk()));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
env (fset (bob, asfDisallowXRP));
auto const reqBal = XRP (500).value();
env (claim (alice, chan, reqBal, reqBal), ter(tecNO_TARGET));
}
{
// Claim to a channel where dst disallows XRP (channel is
// created before disallow xrp is set). Ignore that flag
// since it is just advisory.
Env env (*this, supported_amendments());
env.fund (XRP (10000), alice, bob);
env (create (alice, bob, XRP (1000), 3600s, alice.pk()));
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan));
env (fset (bob, asfDisallowXRP));
auto const reqBal = XRP (500).value();
env (claim (alice, chan, reqBal, reqBal));
}
}
void
testDstTag ()
{
// auth amount defaults to balance if not present
testcase ("Dst Tag");
using namespace jtx;
using namespace std::literals::chrono_literals;
// Create a channel where dst disallows XRP
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
env.fund (XRP (10000), alice, bob);
env (fset (bob, asfRequireDest));
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
auto const channelFunds = XRP (1000);
env (create (alice, bob, channelFunds, settleDelay, pk),
ter (tecDST_TAG_NEEDED));
BEAST_EXPECT (!channelExists (
*env.current (), channel (*env.current (), alice, bob)));
env (
create (alice, bob, channelFunds, settleDelay, pk, boost::none, 1));
BEAST_EXPECT (channelExists (
*env.current (), channel (*env.current (), alice, bob)));
}
void
testDepositAuth ()
{
testcase ("Deposit Authorization");
using namespace jtx;
using namespace std::literals::chrono_literals;
auto const alice = Account ("alice");
auto const bob = Account ("bob");
auto const carol = Account ("carol");
auto USDA = alice["USD"];
{
Env env (*this);
env.fund (XRP (10000), alice, bob, carol);
env (fset (bob, asfDepositAuth));
env.close();
auto const pk = alice.pk ();
auto const settleDelay = 100s;
env (create (alice, bob, XRP (1000), settleDelay, pk));
env.close();
auto const chan = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelBalance (*env.current (), chan) == XRP (0));
BEAST_EXPECT (channelAmount (*env.current (), chan) == XRP (1000));
// alice can add more funds to the channel even though bob has
// asfDepositAuth set.
env (fund (alice, chan, XRP (1000)));
env.close();
// alice claims. Fails because bob's lsfDepositAuth flag is set.
env (claim (alice, chan,
XRP (500).value(), XRP (500).value()), ter (tecNO_PERMISSION));
env.close();
// Claim with signature
auto const baseFee = env.current()->fees().base;
auto const preBob = env.balance (bob);
{
auto const delta = XRP (500).value();
auto const sig = signClaimAuth (pk, alice.sk (), chan, delta);
// alice claims with signature. Fails since bob has
// lsfDepositAuth flag set.
env (claim (alice, chan,
delta, delta, Slice (sig), pk), ter (tecNO_PERMISSION));
env.close();
BEAST_EXPECT (env.balance (bob) == preBob);
// bob claims but omits the signature. Fails because only
// alice can claim without a signature.
env (claim (bob, chan, delta, delta), ter (temBAD_SIGNATURE));
env.close();
// bob claims with signature. Succeeds even though bob's
// lsfDepositAuth flag is set since bob submitted the
// transaction.
env (claim (bob, chan, delta, delta, Slice (sig), pk));
env.close();
BEAST_EXPECT (env.balance (bob) == preBob + delta - baseFee);
}
{
// Explore the limits of deposit preauthorization.
auto const delta = XRP (600).value();
auto const sig = signClaimAuth (pk, alice.sk (), chan, delta);
// carol claims and fails. Only channel participants (bob or
// alice) may claim.
env (claim (carol, chan,
delta, delta, Slice (sig), pk), ter (tecNO_PERMISSION));
env.close();
// bob preauthorizes carol for deposit. But after that carol
// still can't claim since only channel participants may claim.
env(deposit::auth (bob, carol));
env.close();
env (claim (carol, chan,
delta, delta, Slice (sig), pk), ter (tecNO_PERMISSION));
// Since alice is not preauthorized she also may not claim
// for bob.
env (claim (alice, chan, delta, delta,
Slice (sig), pk), ter (tecNO_PERMISSION));
env.close();
// However if bob preauthorizes alice for deposit then she can
// successfully submit a claim.
env(deposit::auth (bob, alice));
env.close();
env (claim (alice, chan, delta, delta, Slice (sig), pk));
env.close();
BEAST_EXPECT (
env.balance (bob) == preBob + delta - (3 * baseFee));
}
{
// bob removes preauthorization of alice. Once again she
// cannot submit a claim.
auto const delta = XRP (800).value();
env(deposit::unauth (bob, alice));
env.close();
// alice claims and fails since she is no longer preauthorized.
env (claim (alice, chan, delta, delta), ter (tecNO_PERMISSION));
env.close();
// bob clears lsfDepositAuth. Now alice can claim.
env (fclear (bob, asfDepositAuth));
env.close();
// alice claims successfully.
env (claim (alice, chan, delta, delta));
env.close();
BEAST_EXPECT (
env.balance (bob) == preBob + XRP (800) - (5 * baseFee));
}
}
}
void
testMultiple ()
{
// auth amount defaults to balance if not present
testcase ("Multiple channels to the same account");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
auto const channelFunds = XRP (1000);
env (create (alice, bob, channelFunds, settleDelay, pk));
auto const chan1 = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan1));
env (create (alice, bob, channelFunds, settleDelay, pk));
auto const chan2 = channel (*env.current (), alice, bob);
BEAST_EXPECT (channelExists (*env.current (), chan2));
BEAST_EXPECT (chan1 != chan2);
}
void
testRPC ()
{
testcase ("RPC");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
auto const channelFunds = XRP (1000);
env (create (alice, bob, channelFunds, settleDelay, pk));
env.close();
auto const chan1Str = to_string (channel (*env.current (), alice, bob));
std::string chan1PkStr;
{
auto const r =
env.rpc ("account_channels", alice.human (), bob.human ());
BEAST_EXPECT (r[jss::result][jss::channels].size () == 1);
BEAST_EXPECT (r[jss::result][jss::channels][0u][jss::channel_id] == chan1Str);
BEAST_EXPECT (r[jss::result][jss::validated]);
chan1PkStr = r[jss::result][jss::channels][0u][jss::public_key].asString();
}
{
auto const r =
env.rpc ("account_channels", alice.human ());
BEAST_EXPECT (r[jss::result][jss::channels].size () == 1);
BEAST_EXPECT (r[jss::result][jss::channels][0u][jss::channel_id] == chan1Str);
BEAST_EXPECT (r[jss::result][jss::validated]);
chan1PkStr = r[jss::result][jss::channels][0u][jss::public_key].asString();
}
{
auto const r =
env.rpc ("account_channels", bob.human (), alice.human ());
BEAST_EXPECT (r[jss::result][jss::channels].size () == 0);
BEAST_EXPECT (r[jss::result][jss::validated]);
}
env (create (alice, bob, channelFunds, settleDelay, pk));
env.close();
auto const chan2Str = to_string (channel (*env.current (), alice, bob));
{
auto const r =
env.rpc ("account_channels", alice.human (), bob.human ());
BEAST_EXPECT (r[jss::result][jss::channels].size () == 2);
BEAST_EXPECT (r[jss::result][jss::validated]);
BEAST_EXPECT (chan1Str != chan2Str);
for (auto const& c : {chan1Str, chan2Str})
BEAST_EXPECT (r[jss::result][jss::channels][0u][jss::channel_id] == c ||
r[jss::result][jss::channels][1u][jss::channel_id] == c);
}
auto sliceToHex = [](Slice const& slice) {
std::string s;
s.reserve(2 * slice.size());
for (int i = 0; i < slice.size(); ++i)
{
s += "0123456789ABCDEF"[((slice[i] & 0xf0) >> 4)];
s += "0123456789ABCDEF"[((slice[i] & 0x0f) >> 0)];
}
return s;
};
{
// Verify chan1 auth
auto const rs =
env.rpc ("channel_authorize", "alice", chan1Str, "1000");
auto const sig = rs[jss::result][jss::signature].asString ();
BEAST_EXPECT (!sig.empty ());
{
auto const rv = env.rpc(
"channel_verify", chan1PkStr, chan1Str, "1000", sig);
BEAST_EXPECT(rv[jss::result][jss::signature_verified].asBool());
}
{
// use pk hex to verify
auto const pkAsHex = sliceToHex(pk.slice());
auto const rv = env.rpc (
"channel_verify", pkAsHex, chan1Str, "1000", sig);
BEAST_EXPECT (rv[jss::result][jss::signature_verified].asBool ());
}
{
// malformed amount
auto const pkAsHex = sliceToHex(pk.slice());
auto rv =
env.rpc("channel_verify", pkAsHex, chan1Str, "1000x", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, "1000 ", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, "x1000", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, "x", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, " ", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, "1000 1000", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, "1,000", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, " 1000", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
rv = env.rpc("channel_verify", pkAsHex, chan1Str, "", sig);
BEAST_EXPECT(rv[jss::error] == "channelAmtMalformed");
}
{
// malformed channel
auto const pkAsHex = sliceToHex(pk.slice());
auto chan1StrBad = chan1Str;
chan1StrBad.pop_back();
auto rv = env.rpc("channel_verify", pkAsHex, chan1StrBad, "1000", sig);
BEAST_EXPECT(rv[jss::error] == "channelMalformed");
rv = env.rpc ("channel_authorize", "alice", chan1StrBad, "1000");
BEAST_EXPECT(rv[jss::error] == "channelMalformed");
chan1StrBad = chan1Str;
chan1StrBad.push_back('0');
rv = env.rpc("channel_verify", pkAsHex, chan1StrBad, "1000", sig);
BEAST_EXPECT(rv[jss::error] == "channelMalformed");
rv = env.rpc ("channel_authorize", "alice", chan1StrBad, "1000");
BEAST_EXPECT(rv[jss::error] == "channelMalformed");
chan1StrBad = chan1Str;
chan1StrBad.back() = 'x';
rv = env.rpc("channel_verify", pkAsHex, chan1StrBad, "1000", sig);
BEAST_EXPECT(rv[jss::error] == "channelMalformed");
rv = env.rpc ("channel_authorize", "alice", chan1StrBad, "1000");
BEAST_EXPECT(rv[jss::error] == "channelMalformed");
}
{
// give an ill formed base 58 public key
auto illFormedPk = chan1PkStr.substr(0, chan1PkStr.size() - 1);
auto const rv = env.rpc(
"channel_verify", illFormedPk, chan1Str, "1000", sig);
BEAST_EXPECT(!rv[jss::result][jss::signature_verified].asBool());
}
{
// give an ill formed hex public key
auto const pkAsHex = sliceToHex(pk.slice());
auto illFormedPk = pkAsHex.substr(0, chan1PkStr.size() - 1);
auto const rv = env.rpc(
"channel_verify", illFormedPk, chan1Str, "1000", sig);
BEAST_EXPECT(!rv[jss::result][jss::signature_verified].asBool());
}
}
{
// Try to verify chan2 auth with chan1 key
auto const rs =
env.rpc ("channel_authorize", "alice", chan2Str, "1000");
auto const sig = rs[jss::result][jss::signature].asString ();
BEAST_EXPECT (!sig.empty ());
{
auto const rv = env.rpc(
"channel_verify", chan1PkStr, chan1Str, "1000", sig);
BEAST_EXPECT(
!rv[jss::result][jss::signature_verified].asBool());
}
{
// use pk hex to verify
auto const pkAsHex = sliceToHex(pk.slice());
auto const rv = env.rpc(
"channel_verify", pkAsHex, chan1Str, "1000", sig);
BEAST_EXPECT(
!rv[jss::result][jss::signature_verified].asBool());
}
}
{
// send malformed amounts rpc requests
auto rs = env.rpc("channel_authorize", "alice", chan1Str, "1000x");
BEAST_EXPECT(rs[jss::error] == "channelAmtMalformed");
rs = env.rpc("channel_authorize", "alice", chan1Str, "x1000");
BEAST_EXPECT(rs[jss::error] == "channelAmtMalformed");
rs = env.rpc("channel_authorize", "alice", chan1Str, "x");
BEAST_EXPECT(rs[jss::error] == "channelAmtMalformed");
}
}
void
testOptionalFields ()
{
testcase ("Optional Fields");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
auto const carol = Account ("carol");
auto const dan = Account ("dan");
env.fund (XRP (10000), alice, bob, carol, dan);
auto const pk = alice.pk ();
auto const settleDelay = 3600s;
auto const channelFunds = XRP (1000);
boost::optional<NetClock::time_point> cancelAfter;
{
env (create (alice, bob, channelFunds, settleDelay, pk));
auto const chan = to_string (channel (*env.current (), alice, bob));
auto const r =
env.rpc ("account_channels", alice.human (), bob.human ());
BEAST_EXPECT (r[jss::result][jss::channels].size () == 1);
BEAST_EXPECT (r[jss::result][jss::channels][0u][jss::channel_id] == chan);
BEAST_EXPECT (!r[jss::result][jss::channels][0u].isMember(jss::destination_tag));
}
{
std::uint32_t dstTag=42;
env (create (
alice, carol, channelFunds, settleDelay, pk, cancelAfter, dstTag));
auto const chan = to_string (channel (*env.current (), alice, carol));
auto const r =
env.rpc ("account_channels", alice.human (), carol.human ());
BEAST_EXPECT (r[jss::result][jss::channels].size () == 1);
BEAST_EXPECT (r[jss::result][jss::channels][0u][jss::channel_id] == chan);
BEAST_EXPECT (r[jss::result][jss::channels][0u][jss::destination_tag] == dstTag);
}
}
void
testMalformedPK ()
{
testcase ("malformed pk");
using namespace jtx;
using namespace std::literals::chrono_literals;
Env env (*this);
auto const alice = Account ("alice");
auto const bob = Account ("bob");
auto USDA = alice["USD"];
env.fund (XRP (10000), alice, bob);
auto const pk = alice.pk ();
auto const settleDelay = 100s;
auto jv = create (alice, bob, XRP (1000), settleDelay, pk);
auto const pkHex = strHex (pk.slice ());
jv["PublicKey"] = pkHex.substr(2, pkHex.size()-2);
env (jv, ter(temMALFORMED));
jv["PublicKey"] = pkHex.substr(0, pkHex.size()-2);
env (jv, ter(temMALFORMED));
auto badPrefix = pkHex;
badPrefix[0]='f';
badPrefix[1]='f';
jv["PublicKey"] = badPrefix;
env (jv, ter(temMALFORMED));
jv["PublicKey"] = pkHex;
env (jv);
auto const chan = channel (*env.current (), alice, bob);
auto const authAmt = XRP (100);
auto const sig = signClaimAuth (alice.pk (), alice.sk (), chan, authAmt);
jv = claim(bob, chan, authAmt.value(), authAmt.value(), Slice(sig), alice.pk());
jv["PublicKey"] = pkHex.substr(2, pkHex.size()-2);
env (jv, ter(temMALFORMED));
jv["PublicKey"] = pkHex.substr(0, pkHex.size()-2);
env (jv, ter(temMALFORMED));
badPrefix = pkHex;
badPrefix[0]='f';
badPrefix[1]='f';
jv["PublicKey"] = badPrefix;
env (jv, ter(temMALFORMED));
// missing public key
jv.removeMember("PublicKey");
env (jv, ter(temMALFORMED));
{
auto const txn = R"*(
{
"channel_id":"5DB01B7FFED6B67E6B0414DED11E051D2EE2B7619CE0EAA6286D67A3A4D5BDB3",
"signature":
"304402204EF0AFB78AC23ED1C472E74F4299C0C21F1B21D07EFC0A3838A420F76D783A400220154FB11B6F54320666E4C36CA7F686C16A3A0456800BBC43746F34AF50290064",
"public_key":
"aKijDDiC2q2gXjMpM7i4BUS6cmixgsEe18e7CjsUxwihKfuoFgS5",
"amount": "1000000"
}
)*";
auto const r = env.rpc("json", "channel_verify", txn);
BEAST_EXPECT(r["result"]["error"] == "publicMalformed");
}
}
void
run () override
{
testSimple ();
testCancelAfter ();
testSettleDelay ();
testExpiration ();
testCloseDry ();
testDefaultAmount ();
testDisallowXRP ();
testDstTag ();
testDepositAuth ();
testMultiple ();
testRPC ();
testOptionalFields ();
testMalformedPK ();
}
};
BEAST_DEFINE_TESTSUITE (PayChan, app, ripple);
} // test
} // ripple
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