package keeper_test import ( "testing" "time" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/kava-labs/kava/app" "github.com/kava-labs/kava/x/cdp/keeper" "github.com/kava-labs/kava/x/cdp/types" "github.com/stretchr/testify/suite" abci "github.com/tendermint/tendermint/abci/types" tmtime "github.com/tendermint/tendermint/types/time" ) type CdpTestSuite struct { suite.Suite keeper keeper.Keeper app app.TestApp ctx sdk.Context } func (suite *CdpTestSuite) SetupTest() { config := sdk.GetConfig() app.SetBech32AddressPrefixes(config) tApp := app.NewTestApp() ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()}) tApp.InitializeFromGenesisStates( NewPricefeedGenStateMulti(), NewCDPGenStateMulti(), ) keeper := tApp.GetCDPKeeper() suite.app = tApp suite.ctx = ctx suite.keeper = keeper return } func (suite *CdpTestSuite) TestAddCdp() { _, addrs := app.GeneratePrivKeyAddressPairs(1) ak := suite.app.GetAccountKeeper() acc := ak.NewAccountWithAddress(suite.ctx, addrs[0]) acc.SetCoins(cs(c("xrp", 200000000), c("btc", 500000000))) ak.SetAccount(suite.ctx, acc) err := suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("xrp", 200000000)), cs(c("usdx", 26000000))) suite.Equal(types.CodeInvalidCollateralRatio, err.Result().Code) err = suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("xrp", 500000000)), cs(c("usdx", 26000000))) suite.Error(err) err = suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("xrp", 200000000)), cs(c("xusd", 10000000))) suite.Equal(types.CodeDebtNotSupported, err.Result().Code) ctx := suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Hour * 2)) pk := suite.app.GetPriceFeedKeeper() _ = pk.SetCurrentPrices(ctx, "xrp:usd") err = suite.keeper.AddCdp(ctx, addrs[0], cs(c("xrp", 100000000)), cs(c("usdx", 10000000))) suite.Error(err) _ = pk.SetCurrentPrices(suite.ctx, "xrp:usd") err = suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("xrp", 100000000)), cs(c("usdx", 10000000))) suite.NoError(err) id := suite.keeper.GetNextCdpID(suite.ctx) suite.Equal(uint64(2), id) tp := suite.keeper.GetTotalPrincipal(suite.ctx, "xrp", "usdx") suite.Equal(i(10000000), tp) sk := suite.app.GetSupplyKeeper() macc := sk.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(cs(c("debt", 10000000), c("xrp", 100000000)), macc.GetCoins()) acc = ak.GetAccount(suite.ctx, addrs[0]) suite.Equal(cs(c("usdx", 10000000), c("xrp", 100000000), c("btc", 500000000)), acc.GetCoins()) err = suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("btc", 500000000)), cs(c("usdx", 26667000000))) suite.Equal(types.CodeInvalidCollateralRatio, err.Result().Code) err = suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("btc", 500000000)), cs(c("usdx", 100000000))) suite.NoError(err) id = suite.keeper.GetNextCdpID(suite.ctx) suite.Equal(uint64(3), id) tp = suite.keeper.GetTotalPrincipal(suite.ctx, "btc", "usdx") suite.Equal(i(100000000), tp) macc = sk.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(cs(c("debt", 110000000), c("xrp", 100000000), c("btc", 500000000)), macc.GetCoins()) acc = ak.GetAccount(suite.ctx, addrs[0]) suite.Equal(cs(c("usdx", 110000000), c("xrp", 100000000)), acc.GetCoins()) err = suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("lol", 100)), cs(c("usdx", 10))) suite.Equal(types.CodeCollateralNotSupported, err.Result().Code) err = suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("xrp", 100)), cs(c("usdx", 10))) suite.Equal(types.CodeCdpAlreadyExists, err.Result().Code) } func (suite *CdpTestSuite) TestGetSetDenomByte() { _, found := suite.keeper.GetDenomPrefix(suite.ctx, "lol") suite.False(found) db, found := suite.keeper.GetDenomPrefix(suite.ctx, "xrp") suite.True(found) suite.Equal(byte(0x20), db) } func (suite *CdpTestSuite) TestGetDebtDenom() { suite.Panics(func() { suite.keeper.SetDebtDenom(suite.ctx, "") }) t := suite.keeper.GetDebtDenom(suite.ctx) suite.Equal("debt", t) suite.keeper.SetDebtDenom(suite.ctx, "lol") t = suite.keeper.GetDebtDenom(suite.ctx) suite.Equal("lol", t) } func (suite *CdpTestSuite) TestGetNextCdpID() { id := suite.keeper.GetNextCdpID(suite.ctx) suite.Equal(types.DefaultCdpStartingID, id) } func (suite *CdpTestSuite) TestGetSetCdp() { _, addrs := app.GeneratePrivKeyAddressPairs(1) cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], cs(c("xrp", 1)), cs(c("usdx", 1)), tmtime.Canonical(time.Now())) suite.keeper.SetCDP(suite.ctx, cdp) t, found := suite.keeper.GetCDP(suite.ctx, "xrp", types.DefaultCdpStartingID) suite.True(found) suite.Equal(cdp, t) _, found = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2)) suite.False(found) suite.keeper.DeleteCDP(suite.ctx, cdp) _, found = suite.keeper.GetCDP(suite.ctx, "btc", types.DefaultCdpStartingID) suite.False(found) } func (suite *CdpTestSuite) TestGetSetCdpId() { _, addrs := app.GeneratePrivKeyAddressPairs(2) cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], cs(c("xrp", 1)), cs(c("usdx", 1)), tmtime.Canonical(time.Now())) suite.keeper.SetCDP(suite.ctx, cdp) suite.keeper.IndexCdpByOwner(suite.ctx, cdp) id, found := suite.keeper.GetCdpID(suite.ctx, addrs[0], "xrp") suite.True(found) suite.Equal(types.DefaultCdpStartingID, id) _, found = suite.keeper.GetCdpID(suite.ctx, addrs[0], "lol") suite.False(found) _, found = suite.keeper.GetCdpID(suite.ctx, addrs[1], "xrp") suite.False(found) } func (suite *CdpTestSuite) TestGetSetCdpByOwnerAndDenom() { _, addrs := app.GeneratePrivKeyAddressPairs(2) cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], cs(c("xrp", 1)), cs(c("usdx", 1)), tmtime.Canonical(time.Now())) suite.keeper.SetCDP(suite.ctx, cdp) suite.keeper.IndexCdpByOwner(suite.ctx, cdp) t, found := suite.keeper.GetCdpByOwnerAndDenom(suite.ctx, addrs[0], "xrp") suite.True(found) suite.Equal(cdp, t) _, found = suite.keeper.GetCdpByOwnerAndDenom(suite.ctx, addrs[0], "lol") suite.False(found) _, found = suite.keeper.GetCdpByOwnerAndDenom(suite.ctx, addrs[1], "xrp") suite.False(found) suite.NotPanics(func() { suite.keeper.IndexCdpByOwner(suite.ctx, cdp) }) } func (suite *CdpTestSuite) TestCalculateCollateralToDebtRatio() { _, addrs := app.GeneratePrivKeyAddressPairs(1) cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], cs(c("xrp", 3)), cs(c("usdx", 1)), tmtime.Canonical(time.Now())) cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdp.Collateral, cdp.Principal) suite.Equal(sdk.MustNewDecFromStr("3.0"), cr) cdp = types.NewCDP(types.DefaultCdpStartingID, addrs[0], cs(c("xrp", 1)), cs(c("usdx", 2)), tmtime.Canonical(time.Now())) cr = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdp.Collateral, cdp.Principal) suite.Equal(sdk.MustNewDecFromStr("0.5"), cr) cdp = types.NewCDP(types.DefaultCdpStartingID, addrs[0], cs(c("xrp", 3)), cs(c("usdx", 1), c("susd", 2)), tmtime.Canonical(time.Now())) cr = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdp.Collateral, cdp.Principal) suite.Equal(sdk.MustNewDecFromStr("1"), cr) } func (suite *CdpTestSuite) TestSetCdpByCollateralRatio() { _, addrs := app.GeneratePrivKeyAddressPairs(1) cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], cs(c("xrp", 3)), cs(c("usdx", 1)), tmtime.Canonical(time.Now())) cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdp.Collateral, cdp.Principal) suite.NotPanics(func() { suite.keeper.IndexCdpByCollateralRatio(suite.ctx, cdp.Collateral[0].Denom, cdp.ID, cr) }) } func (suite *CdpTestSuite) TestIterateCdps() { cdps := cdps() for _, c := range cdps { suite.keeper.SetCDP(suite.ctx, c) suite.keeper.IndexCdpByOwner(suite.ctx, c) cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Principal) suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Collateral[0].Denom, c.ID, cr) } t := suite.keeper.GetAllCdps(suite.ctx) suite.Equal(4, len(t)) } func (suite *CdpTestSuite) TestIterateCdpsByDenom() { cdps := cdps() for _, c := range cdps { suite.keeper.SetCDP(suite.ctx, c) suite.keeper.IndexCdpByOwner(suite.ctx, c) cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Principal) suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Collateral[0].Denom, c.ID, cr) } xrpCdps := suite.keeper.GetAllCdpsByDenom(suite.ctx, "xrp") suite.Equal(3, len(xrpCdps)) btcCdps := suite.keeper.GetAllCdpsByDenom(suite.ctx, "btc") suite.Equal(1, len(btcCdps)) suite.keeper.DeleteCDP(suite.ctx, cdps[0]) suite.keeper.RemoveCdpOwnerIndex(suite.ctx, cdps[0]) xrpCdps = suite.keeper.GetAllCdpsByDenom(suite.ctx, "xrp") suite.Equal(2, len(xrpCdps)) suite.keeper.DeleteCDP(suite.ctx, cdps[1]) suite.keeper.RemoveCdpOwnerIndex(suite.ctx, cdps[1]) ids, found := suite.keeper.GetCdpIdsByOwner(suite.ctx, cdps[1].Owner) suite.True(found) suite.Equal(1, len(ids)) suite.Equal(uint64(3), ids[0]) } func (suite *CdpTestSuite) TestIterateCdpsByCollateralRatio() { cdps := cdps() for _, c := range cdps { suite.keeper.SetCDP(suite.ctx, c) suite.keeper.IndexCdpByOwner(suite.ctx, c) cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Principal) suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Collateral[0].Denom, c.ID, cr) } xrpCdps := suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("1.25")) suite.Equal(0, len(xrpCdps)) xrpCdps = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("1.25").Add(sdk.SmallestDec())) suite.Equal(1, len(xrpCdps)) xrpCdps = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("2.0").Add(sdk.SmallestDec())) suite.Equal(2, len(xrpCdps)) xrpCdps = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("100.0").Add(sdk.SmallestDec())) suite.Equal(3, len(xrpCdps)) suite.keeper.DeleteCDP(suite.ctx, cdps[0]) suite.keeper.RemoveCdpOwnerIndex(suite.ctx, cdps[0]) cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdps[0].Collateral, cdps[0].Principal) suite.keeper.RemoveCdpCollateralRatioIndex(suite.ctx, cdps[0].Collateral[0].Denom, cdps[0].ID, cr) xrpCdps = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("2.0").Add(sdk.SmallestDec())) suite.Equal(1, len(xrpCdps)) } func (suite *CdpTestSuite) TestValidateCollateral() { c := sdk.NewCoins(sdk.NewCoin("xrp", sdk.NewInt(1))) err := suite.keeper.ValidateCollateral(suite.ctx, c) suite.NoError(err) c = sdk.NewCoins(sdk.NewCoin("lol", sdk.NewInt(1))) err = suite.keeper.ValidateCollateral(suite.ctx, c) suite.Equal(types.CodeCollateralNotSupported, err.Result().Code) c = sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(1)), sdk.NewCoin("xrp", sdk.NewInt(1))) err = suite.keeper.ValidateCollateral(suite.ctx, c) suite.Equal(types.CodeCollateralLengthInvalid, err.Result().Code) } func (suite *CdpTestSuite) TestValidatePrincipal() { d := sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(10000000))) err := suite.keeper.ValidatePrincipalAdd(suite.ctx, d) suite.NoError(err) d = sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(10000000)), sdk.NewCoin("susd", sdk.NewInt(10000000))) err = suite.keeper.ValidatePrincipalAdd(suite.ctx, d) suite.NoError(err) d = sdk.NewCoins(sdk.NewCoin("xusd", sdk.NewInt(1))) err = suite.keeper.ValidatePrincipalAdd(suite.ctx, d) suite.Equal(types.CodeDebtNotSupported, err.Result().Code) d = sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1000000000001))) err = suite.keeper.ValidateDebtLimit(suite.ctx, "xrp", d) suite.Equal(types.CodeExceedsDebtLimit, err.Result().Code) d = sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(100000000))) err = suite.keeper.ValidateDebtLimit(suite.ctx, "xrp", d) suite.NoError(err) } func (suite *CdpTestSuite) TestCalculateCollateralizationRatio() { c := cdps()[1] suite.keeper.SetCDP(suite.ctx, c) suite.keeper.IndexCdpByOwner(suite.ctx, c) cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Principal) suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Collateral[0].Denom, c.ID, cr) cr, err := suite.keeper.CalculateCollateralizationRatio(suite.ctx, c.Collateral, c.Principal, c.AccumulatedFees) suite.NoError(err) suite.Equal(d("2.5"), cr) c.AccumulatedFees = sdk.NewCoins(sdk.NewCoin("usdx", i(10000000))) cr, err = suite.keeper.CalculateCollateralizationRatio(suite.ctx, c.Collateral, c.Principal, c.AccumulatedFees) suite.NoError(err) suite.Equal(d("1.25"), cr) } func (suite *CdpTestSuite) TestMintBurnDebtCoins() { cd := cdps()[1] err := suite.keeper.MintDebtCoins(suite.ctx, types.ModuleName, suite.keeper.GetDebtDenom(suite.ctx), cd.Principal) suite.NoError(err) err = suite.keeper.MintDebtCoins(suite.ctx, "notamodule", suite.keeper.GetDebtDenom(suite.ctx), cd.Principal) suite.Error(err) sk := suite.app.GetSupplyKeeper() acc := sk.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(cs(c("debt", 10000000)), acc.GetCoins()) err = suite.keeper.BurnDebtCoins(suite.ctx, types.ModuleName, suite.keeper.GetDebtDenom(suite.ctx), cd.Principal) suite.NoError(err) err = suite.keeper.BurnDebtCoins(suite.ctx, "notamodule", suite.keeper.GetDebtDenom(suite.ctx), cd.Principal) suite.Error(err) sk = suite.app.GetSupplyKeeper() acc = sk.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(sdk.Coins(nil), acc.GetCoins()) } func TestCdpTestSuite(t *testing.T) { suite.Run(t, new(CdpTestSuite)) }