package keeper_test import ( "testing" "time" "github.com/stretchr/testify/suite" sdk "github.com/cosmos/cosmos-sdk/types" authtypes "github.com/cosmos/cosmos-sdk/x/auth/types" "github.com/kava-labs/kava/x/auction/testutil" "github.com/kava-labs/kava/x/auction/types" ) type auctionTestSuite struct { testutil.Suite } func (suite *auctionTestSuite) SetupTest() { suite.Suite.SetupTest(4) } func TestAuctionTestSuite(t *testing.T) { suite.Run(t, new(auctionTestSuite)) } func (suite *auctionTestSuite) TestSurplusAuctionBasic() { buyer := suite.Addrs[0] // TODO: use cdp.LiquidatorMacc once CDP module is available // sellerModName := cdp.LiquidatorMacc sellerAddr := authtypes.NewModuleAddress(suite.ModAcc.Name) suite.AddCoinsToNamedModule(suite.ModAcc.Name, cs(c("token1", 100), c("token2", 100))) // Create an auction (lot: 20 token1, initialBid: 0 token2) auctionID, err := suite.Keeper.StartSurplusAuction(suite.Ctx, suite.ModAcc.Name, c("token1", 20), "token2") // lobid denom suite.NoError(err) // Check seller's coins have decreased suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 100))) // PlaceBid (bid: 10 token, lot: same as starting) suite.NoError(suite.Keeper.PlaceBid(suite.Ctx, auctionID, buyer, c("token2", 10))) // Check buyer's coins have decreased suite.CheckAccountBalanceEqual(buyer, cs(c("token1", 100), c("token2", 90))) // Check seller's coins have not increased (because proceeds are burned) suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 100))) // increment bid same bidder err = suite.Keeper.PlaceBid(suite.Ctx, auctionID, buyer, c("token2", 20)) suite.NoError(err) // Close auction just at auction expiry time suite.Ctx = suite.Ctx.WithBlockTime(suite.Ctx.BlockTime().Add(types.DefaultForwardBidDuration)) suite.NoError(suite.Keeper.CloseAuction(suite.Ctx, auctionID)) // Check buyer's coins increased suite.CheckAccountBalanceEqual(buyer, cs(c("token1", 120), c("token2", 80))) } func (suite *auctionTestSuite) TestDebtAuctionBasic() { // Setup seller := suite.Addrs[0] suite.AddCoinsToNamedModule(suite.ModAcc.Name, cs(c("debt", 100))) // Start auction auctionID, err := suite.Keeper.StartDebtAuction(suite.Ctx, suite.ModAcc.Name, c("token1", 20), c("token2", 99999), c("debt", 20)) suite.NoError(err) // Check buyer's coins have not decreased (except for debt), as lot is minted at the end suite.CheckAccountBalanceEqual(suite.ModAcc.GetAddress(), cs(c("debt", 80))) // Place a bid suite.NoError(suite.Keeper.PlaceBid(suite.Ctx, auctionID, seller, c("token2", 10))) // Check seller's coins have decreased suite.CheckAccountBalanceEqual(seller, cs(c("token1", 80), c("token2", 100))) // Check buyer's coins have increased suite.CheckAccountBalanceEqual(suite.ModAcc.GetAddress(), cs(c("token1", 20), c("debt", 100))) // Close auction at just after auction expiry ctx := suite.Ctx.WithBlockTime(suite.Ctx.BlockTime().Add(types.DefaultForwardBidDuration)) suite.NoError(suite.Keeper.CloseAuction(ctx, auctionID)) // Check seller's coins increased suite.CheckAccountBalanceEqual(seller, cs(c("token1", 80), c("token2", 110))) } func (suite *auctionTestSuite) TestDebtAuctionDebtRemaining() { seller := suite.Addrs[0] buyerAddr := authtypes.NewModuleAddress(suite.ModAcc.Name) suite.AddCoinsToNamedModule(suite.ModAcc.Name, cs(c("debt", 100))) // Start auction auctionID, err := suite.Keeper.StartDebtAuction(suite.Ctx, suite.ModAcc.Name, c("token1", 10), c("token2", 99999), c("debt", 20)) suite.NoError(err) // Check buyer's coins have not decreased (except for debt), as lot is minted at the end suite.CheckAccountBalanceEqual(buyerAddr, cs(c("debt", 80))) // Place a bid suite.NoError(suite.Keeper.PlaceBid(suite.Ctx, auctionID, seller, c("token2", 10))) // Check seller's coins have decreased suite.CheckAccountBalanceEqual(seller, cs(c("token1", 90), c("token2", 100))) // Check buyer's coins have increased suite.CheckAccountBalanceEqual(buyerAddr, cs(c("token1", 10), c("debt", 90))) // Close auction at just after auction expiry ctx := suite.Ctx.WithBlockTime(suite.Ctx.BlockTime().Add(types.DefaultForwardBidDuration)) suite.NoError(suite.Keeper.CloseAuction(ctx, auctionID)) // Check seller's coins increased suite.CheckAccountBalanceEqual(seller, cs(c("token1", 90), c("token2", 110))) // check that debt has increased due to corresponding debt being greater than bid suite.CheckAccountBalanceEqual(buyerAddr, cs(c("token1", 10), c("debt", 100))) } func (suite *auctionTestSuite) TestCollateralAuctionBasic() { // Setup buyer := suite.Addrs[0] returnAddrs := suite.Addrs[1:] returnWeights := is(30, 20, 10) sellerModName := suite.ModAcc.Name sellerAddr := suite.ModAcc.GetAddress() suite.AddCoinsToNamedModule(sellerModName, cs(c("token1", 100), c("token2", 100), c("debt", 100))) // Start auction auctionID, err := suite.Keeper.StartCollateralAuction(suite.Ctx, sellerModName, c("token1", 20), c("token2", 50), returnAddrs, returnWeights, c("debt", 40)) suite.NoError(err) // Check seller's coins have decreased suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 100), c("debt", 60))) // Place a forward bid suite.NoError(suite.Keeper.PlaceBid(suite.Ctx, auctionID, buyer, c("token2", 10))) // Check bidder's coins have decreased suite.CheckAccountBalanceEqual(buyer, cs(c("token1", 100), c("token2", 90))) // Check seller's coins have increased suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 110), c("debt", 70))) // Check return addresses have not received coins for _, ra := range suite.Addrs[1:] { suite.CheckAccountBalanceEqual(ra, cs(c("token1", 100), c("token2", 100))) } // Place a reverse bid suite.NoError(suite.Keeper.PlaceBid(suite.Ctx, auctionID, buyer, c("token2", 50))) // first bid up to max bid to switch phases suite.NoError(suite.Keeper.PlaceBid(suite.Ctx, auctionID, buyer, c("token1", 15))) // Check bidder's coins have decreased suite.CheckAccountBalanceEqual(buyer, cs(c("token1", 100), c("token2", 50))) // Check seller's coins have increased suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 150), c("debt", 100))) // Check return addresses have received coins suite.CheckAccountBalanceEqual(suite.Addrs[1], cs(c("token1", 102), c("token2", 100))) suite.CheckAccountBalanceEqual(suite.Addrs[2], cs(c("token1", 102), c("token2", 100))) suite.CheckAccountBalanceEqual(suite.Addrs[3], cs(c("token1", 101), c("token2", 100))) // Close auction at just after auction expiry ctx := suite.Ctx.WithBlockTime(suite.Ctx.BlockTime().Add(types.DefaultReverseBidDuration)) suite.NoError(suite.Keeper.CloseAuction(ctx, auctionID)) // Check buyer's coins increased suite.CheckAccountBalanceEqual(buyer, cs(c("token1", 115), c("token2", 50))) } func (suite *auctionTestSuite) TestCollateralAuctionDebtRemaining() { // Setup buyer := suite.Addrs[0] returnAddrs := suite.Addrs[1:] returnWeights := is(30, 20, 10) sellerModName := suite.ModAcc.Name sellerAddr := suite.ModAcc.GetAddress() suite.AddCoinsToNamedModule(sellerModName, cs(c("token1", 100), c("token2", 100), c("debt", 100))) // Start auction auctionID, err := suite.Keeper.StartCollateralAuction(suite.Ctx, sellerModName, c("token1", 20), c("token2", 50), returnAddrs, returnWeights, c("debt", 40)) suite.NoError(err) // Check seller's coins have decreased suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 100), c("debt", 60))) // Place a forward bid suite.NoError(suite.Keeper.PlaceBid(suite.Ctx, auctionID, buyer, c("token2", 10))) // Check bidder's coins have decreased suite.CheckAccountBalanceEqual(buyer, cs(c("token1", 100), c("token2", 90))) // Check seller's coins have increased suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 110), c("debt", 70))) // Check return addresses have not received coins for _, ra := range suite.Addrs[1:] { suite.CheckAccountBalanceEqual(ra, cs(c("token1", 100), c("token2", 100))) } ctx := suite.Ctx.WithBlockTime(suite.Ctx.BlockTime().Add(types.DefaultForwardBidDuration)) suite.NoError(suite.Keeper.CloseAuction(ctx, auctionID)) // check that buyers coins have increased suite.CheckAccountBalanceEqual(buyer, cs(c("token1", 120), c("token2", 90))) // Check return addresses have not received coins for _, ra := range suite.Addrs[1:] { suite.CheckAccountBalanceEqual(ra, cs(c("token1", 100), c("token2", 100))) } // check that token2 has increased by 10, debt by 40, for a net debt increase of 30 debt suite.CheckAccountBalanceEqual(sellerAddr, cs(c("token1", 80), c("token2", 110), c("debt", 100))) } func (suite *auctionTestSuite) TestStartSurplusAuction() { someTime := time.Date(1998, time.January, 1, 0, 0, 0, 0, time.UTC) type args struct { seller string lot sdk.Coin bidDenom string } testCases := []struct { name string blockTime time.Time args args expectPass bool expPanic bool }{ { "normal", someTime, args{suite.ModAcc.Name, c("stable", 10), "gov"}, true, false, }, { "no module account", someTime, args{"nonExistentModule", c("stable", 10), "gov"}, false, true, }, { "not enough coins", someTime, args{suite.ModAcc.Name, c("stable", 101), "gov"}, false, false, }, { "incorrect denom", someTime, args{suite.ModAcc.Name, c("notacoin", 10), "gov"}, false, false, }, } for _, tc := range testCases { suite.Run(tc.name, func() { suite.SetupTest() // setup initialLiquidatorCoins := cs(c("stable", 100)) suite.AddCoinsToNamedModule(suite.ModAcc.Name, initialLiquidatorCoins) // run function under test var ( id uint64 err error ) if tc.expPanic { suite.Panics(func() { _, _ = suite.Keeper.StartSurplusAuction(suite.Ctx, tc.args.seller, tc.args.lot, tc.args.bidDenom) }, tc.name) } else { id, err = suite.Keeper.StartSurplusAuction(suite.Ctx, tc.args.seller, tc.args.lot, tc.args.bidDenom) } // check liquidatorCoins := suite.BankKeeper.GetAllBalances(suite.Ctx, suite.ModAcc.GetAddress()) actualAuc, found := suite.Keeper.GetAuction(suite.Ctx, id) if tc.expectPass { suite.NoError(err, tc.name) // check coins moved suite.Equal(initialLiquidatorCoins.Sub(tc.args.lot), liquidatorCoins, tc.name) // check auction in store and is correct suite.True(found, tc.name) surplusAuction := types.SurplusAuction{BaseAuction: types.BaseAuction{ ID: id, Initiator: tc.args.seller, Lot: tc.args.lot, Bidder: nil, Bid: c(tc.args.bidDenom, 0), HasReceivedBids: false, EndTime: types.DistantFuture, MaxEndTime: types.DistantFuture, }} suite.Equal(&surplusAuction, actualAuc, tc.name) } else if !tc.expPanic && !tc.expectPass { suite.Error(err, tc.name) // check coins not moved suite.Equal(initialLiquidatorCoins, liquidatorCoins, tc.name) // check auction not in store suite.False(found, tc.name) } }) } } func (suite *auctionTestSuite) TestCloseAuction() { suite.AddCoinsToNamedModule(suite.ModAcc.Name, cs(c("token1", 100), c("token2", 100))) // Create an auction (lot: 20 token1, initialBid: 0 token2) id, err := suite.Keeper.StartSurplusAuction(suite.Ctx, suite.ModAcc.Name, c("token1", 20), "token2") // lot, bid denom suite.NoError(err) // Attempt to close the auction before EndTime suite.Error(suite.Keeper.CloseAuction(suite.Ctx, id)) // Attempt to close auction that does not exist suite.Error(suite.Keeper.CloseAuction(suite.Ctx, 999)) } func (suite *auctionTestSuite) TestCloseExpiredAuctions() { suite.AddCoinsToNamedModule(suite.ModAcc.Name, cs(c("token1", 100), c("token2", 100))) // Start auction 1 _, err := suite.Keeper.StartSurplusAuction(suite.Ctx, suite.ModAcc.Name, c("token1", 20), "token2") // lot, bid denom suite.NoError(err) // Start auction 2 _, err = suite.Keeper.StartSurplusAuction(suite.Ctx, suite.ModAcc.Name, c("token1", 20), "token2") // lot, bid denom suite.NoError(err) // Fast forward the block time ctx := suite.Ctx.WithBlockTime(suite.Ctx.BlockTime().Add(types.DefaultMaxAuctionDuration).Add(1)) // Close expired auctions err = suite.Keeper.CloseExpiredAuctions(ctx) suite.NoError(err) }