package keeper_test import ( "errors" "testing" "time" "github.com/stretchr/testify/suite" sdk "github.com/cosmos/cosmos-sdk/types" abci "github.com/tendermint/tendermint/abci/types" tmtime "github.com/tendermint/tendermint/types/time" "github.com/kava-labs/kava/app" "github.com/kava-labs/kava/x/cdp/keeper" "github.com/kava-labs/kava/x/cdp/types" ) type DrawTestSuite struct { suite.Suite keeper keeper.Keeper app app.TestApp ctx sdk.Context addrs []sdk.AccAddress } func (suite *DrawTestSuite) SetupTest() { tApp := app.NewTestApp() ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()}) _, addrs := app.GeneratePrivKeyAddressPairs(3) authGS := app.NewAuthGenState( addrs, []sdk.Coins{ cs(c("xrp", 500000000), c("btc", 500000000), c("usdx", 10000000000)), cs(c("xrp", 200000000)), cs(c("xrp", 10000000000000), c("usdx", 100000000000))}) tApp.InitializeFromGenesisStates( authGS, NewPricefeedGenStateMulti(), NewCDPGenStateMulti(), ) keeper := tApp.GetCDPKeeper() suite.app = tApp suite.keeper = keeper suite.ctx = ctx suite.addrs = addrs err := suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 400000000), c("usdx", 10000000)) suite.NoError(err) } func (suite *DrawTestSuite) TestAddRepayPrincipal() { err := suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 10000000)) suite.NoError(err) t, found := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1)) suite.True(found) suite.Equal(c("usdx", 20000000), t.Principal) ctd := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees)) suite.Equal(d("20.0"), ctd) ts := suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0")) suite.Equal(0, len(ts)) ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0").Add(sdk.SmallestDec())) suite.Equal(ts[0], t) tp := suite.keeper.GetTotalPrincipal(suite.ctx, "xrp", "usdx") suite.Equal(i(20000000), tp) sk := suite.app.GetSupplyKeeper() acc := sk.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(cs(c("xrp", 400000000), c("debt", 20000000)), acc.GetCoins()) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("susd", 10000000)) suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest)) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[1], "xrp", c("usdx", 10000000)) suite.Require().True(errors.Is(err, types.ErrCdpNotFound)) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("xusd", 10000000)) suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest)) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 311000000)) suite.Require().True(errors.Is(err, types.ErrInvalidCollateralRatio)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 10000000)) suite.NoError(err) t, found = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1)) suite.True(found) suite.Equal(c("usdx", 10000000), t.Principal) ctd = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees)) suite.Equal(d("40.0"), ctd) ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("40.0")) suite.Equal(0, len(ts)) ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("40.0").Add(sdk.SmallestDec())) suite.Equal(ts[0], t) sk = suite.app.GetSupplyKeeper() acc = sk.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(cs(c("xrp", 400000000), c("debt", 10000000)), acc.GetCoins()) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("xusd", 10000000)) suite.Require().True(errors.Is(err, types.ErrInvalidPayment)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[1], "xrp", c("xusd", 10000000)) suite.Require().True(errors.Is(err, types.ErrCdpNotFound)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 9000000)) suite.Require().True(errors.Is(err, types.ErrBelowDebtFloor)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 10000000)) suite.NoError(err) _, found = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1)) suite.False(found) ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", types.MaxSortableDec) suite.Equal(0, len(ts)) ts = suite.keeper.GetAllCdpsByDenom(suite.ctx, "xrp") suite.Equal(0, len(ts)) sk = suite.app.GetSupplyKeeper() acc = sk.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(sdk.Coins(nil), acc.GetCoins()) } func (suite *DrawTestSuite) TestRepayPrincipalOverpay() { err := suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 20000000)) suite.NoError(err) ak := suite.app.GetAccountKeeper() acc := ak.GetAccount(suite.ctx, suite.addrs[0]) suite.Equal(i(10000000000), (acc.GetCoins().AmountOf("usdx"))) _, found := suite.keeper.GetCDP(suite.ctx, "xrp", 1) suite.False(found) } func (suite *DrawTestSuite) TestAddRepayPrincipalFees() { err := suite.keeper.AddCdp(suite.ctx, suite.addrs[2], c("xrp", 1000000000000), c("usdx", 100000000000)) suite.NoError(err) suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Minute * 10)) err = suite.keeper.UpdateFeesForAllCdps(suite.ctx, "xrp") suite.NoError(err) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 10000000)) suite.NoError(err) t, _ := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2)) suite.Equal(c("usdx", 92827), t.AccumulatedFees) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 100)) suite.NoError(err) t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2)) suite.Equal(c("usdx", 92727), t.AccumulatedFees) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 100010092727)) suite.NoError(err) _, f := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2)) suite.False(f) err = suite.keeper.AddCdp(suite.ctx, suite.addrs[2], c("xrp", 1000000000000), c("usdx", 100000000)) suite.NoError(err) suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Second * 31536000)) // move forward one year in time err = suite.keeper.UpdateFeesForAllCdps(suite.ctx, "xrp") suite.NoError(err) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 100000000)) suite.NoError(err) t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(3)) suite.Equal(c("usdx", 5000000), t.AccumulatedFees) } func (suite *DrawTestSuite) TestPricefeedFailure() { ctx := suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Hour * 2)) pfk := suite.app.GetPriceFeedKeeper() pfk.SetCurrentPrices(ctx, "xrp:usd") err := suite.keeper.AddPrincipal(ctx, suite.addrs[0], "xrp", c("usdx", 10000000)) suite.Error(err) err = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp", c("usdx", 10000000)) suite.NoError(err) } func (suite *DrawTestSuite) TestModuleAccountFailure() { suite.Panics(func() { ctx := suite.ctx.WithBlockHeader(suite.ctx.BlockHeader()) sk := suite.app.GetSupplyKeeper() acc := sk.GetModuleAccount(ctx, types.ModuleName) ak := suite.app.GetAccountKeeper() ak.RemoveAccount(ctx, acc) suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp", c("usdx", 10000000)) }) } func TestDrawTestSuite(t *testing.T) { suite.Run(t, new(DrawTestSuite)) }