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nft test
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@shawnxie999
shawnxie999 committed Dec 12, 2024
1 parent 23dbf45 commit 8d1fb46
Showing 1 changed file with 116 additions and 14 deletions.
130 changes: 116 additions & 14 deletions src/test/app/LPTokenTransfer_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -189,10 +189,11 @@ class LPTokenTransfer_test : public jtx::AMMTest

auto const lpIssue = ammAlice.lptIssue();

// with fixLPTokenTransfer, carol can't create an offer to sell lptoken
// when one of the assets is frozen
if (features[fixLPTokenTransfer])
{
// with fixLPTokenTransfer, carol can't create an offer to sell
// lptoken when one of the assets is frozen

// gateway freezes carol's USD
env(trust(gw, carol["USD"](0), tfSetFreeze));
env.close();
Expand Down Expand Up @@ -234,14 +235,14 @@ class LPTokenTransfer_test : public jtx::AMMTest

// Offer crossing with two AMM LPTokens.
fund(env, gw, {alice, carol}, {USD(10'000)}, Fund::All);
AMM ammAlice(env, alice, XRP(10'000), USD(10'000));
ammAlice.deposit(carol, 10'000'000);
AMM ammAlice1(env, alice, XRP(10'000), USD(10'000));
ammAlice1.deposit(carol, 10'000'000);

fund(env, gw, {alice, carol}, {EUR(10'000)}, Fund::IOUOnly);
AMM ammAlice1(env, alice, XRP(10'000), EUR(10'000));
ammAlice1.deposit(carol, 10'000'000);
auto const token1 = ammAlice.lptIssue();
auto const token2 = ammAlice1.lptIssue();
AMM ammAlice2(env, alice, XRP(10'000), EUR(10'000));
ammAlice2.deposit(carol, 10'000'000);
auto const token1 = ammAlice1.lptIssue();
auto const token2 = ammAlice2.lptIssue();

// carol creates offer
env(offer(carol, STAmount{token2, 100}, STAmount{token1, 100}));
Expand All @@ -252,13 +253,15 @@ class LPTokenTransfer_test : public jtx::AMMTest
env(trust(gw, carol["USD"](1'000'000'000), tfSetFreeze));
env.close();

// alice creates an offer which exhibits different behavior on offer
// crossing depending on if fixLPTokenTransfer is enabled
env(offer(alice, STAmount{token1, 100}, STAmount{token2, 100}));
env.close();

if (features[fixLPTokenTransfer])
{
// with fixLPTokenTransfer enabled, alice's offer can no longer
// cross with carol's offer
env(offer(alice, STAmount{token1, 100}, STAmount{token2, 100}));
env.close();

BEAST_EXPECT(
expectLine(env, alice, STAmount{token1, 10'000'000}) &&
expectLine(env, alice, STAmount{token2, 10'000'000}));
Expand All @@ -272,9 +275,6 @@ class LPTokenTransfer_test : public jtx::AMMTest
{
// alice's offer still crosses with carol's offer despite carol's
// token1 is frozen
env(offer(alice, STAmount{token1, 100}, STAmount{token2, 100}));
env.close();

BEAST_EXPECT(
expectLine(env, alice, STAmount{token1, 10'000'100}) &&
expectLine(env, alice, STAmount{token2, 9'999'900}));
Expand Down Expand Up @@ -326,6 +326,107 @@ class LPTokenTransfer_test : public jtx::AMMTest
env.close();
}

void
testNFTOffers(FeatureBitset features)
{
testcase("NFT Offers");
using namespace test::jtx;

Env env{*this, features};

// Setup AMM
fund(
env,
gw,
{alice, bob, carol},
{USD(10'000), EUR(10'000)},
Fund::All);
AMM ammAlice(env, alice, USD(10'000), EUR(10'000));
ammAlice.deposit(carol, 1'000);
ammAlice.deposit(bob, 1'000);

auto const lpIssue = ammAlice.lptIssue();

// bob mints a nft
uint256 const nftID{token::getNextID(env, bob, 0u, tfTransferable)};
env(token::mint(bob, 0), txflags(tfTransferable));
env.close();

// bob creates a sell offer accepting lptoken
uint256 const sellOfferIndex = keylet::nftoffer(bob, env.seq(bob)).key;
env(token::createOffer(bob, nftID, STAmount{lpIssue, 10}),
txflags(tfSellNFToken));
env.close();

// gateway freezes carol's USD
env(trust(gw, carol["USD"](0), tfSetFreeze));
env.close();

if (features[fixLPTokenTransfer])
{
// with fixLPTokenTransfer, freezing USD will prevent buy/sell
// offers with lptokens from being created/accepted

// carol fails to accept bob's offer with lptoken because carol's
// USD is frozen
env(token::acceptSellOffer(carol, sellOfferIndex),
ter(tecINSUFFICIENT_FUNDS));
env.close();

// gateway unfreezes carol's USD
env(trust(gw, carol["USD"](1'000'000), tfClearFreeze));
env.close();

// carol can buy the nft
env(token::acceptSellOffer(carol, sellOfferIndex));
env.close();

// gateway freezes bobs's USD
env(trust(gw, bob["USD"](0), tfSetFreeze));
env.close();

// bob fails to create a buy offer with lptoken for carol's nft
// since bob's USD is frozen
env(token::createOffer(bob, nftID, STAmount{lpIssue, 10}),
token::owner(carol),
ter(tecUNFUNDED_OFFER));
env.close();

// gateway unfreezes bob's USD
env(trust(gw, bob["USD"](1'000'000), tfClearFreeze));
env.close();

// bob can now create a buy offer
env(token::createOffer(bob, nftID, STAmount{lpIssue, 10}),
token::owner(carol));
env.close();
}
else
{
// without fixLPTokenTransfer, freezing USD will still allow
// buy/sell offers to be created/accepted with lptoken

// carol can still accept bob's offer despite carol's USD is frozen
env(token::acceptSellOffer(carol, sellOfferIndex));
env.close();

// gateway freezes bob's USD
env(trust(gw, bob["USD"](0), tfSetFreeze));
env.close();

// bob creates a buy offer with lptoken despite bob's USD is frozen
uint256 const buyOfferIndex =
keylet::nftoffer(bob, env.seq(bob)).key;
env(token::createOffer(bob, nftID, STAmount{lpIssue, 10}),
token::owner(carol));
env.close();

// carol accepts bob's offer
env(token::acceptBuyOffer(carol, buyOfferIndex));
env.close();
}
}

public:
void
run() override
Expand All @@ -340,6 +441,7 @@ class LPTokenTransfer_test : public jtx::AMMTest
testOfferCreation(features);
testOfferCrossing(features);
testCheck(features);
testNFTOffers(features);
}
}
};
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