package keeper_test import ( "errors" "testing" "time" "github.com/stretchr/testify/suite" sdk "github.com/cosmos/cosmos-sdk/types" tmproto "github.com/tendermint/tendermint/proto/tendermint/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, tmproto.Header{Height: 1, Time: tmtime.Now()}) cdc := tApp.AppCodec() _, addrs := app.GeneratePrivKeyAddressPairs(3) coins := []sdk.Coins{ cs(c("xrp", 500000000), c("btc", 500000000), c("usdx", 10000000000)), cs(c("xrp", 200000000)), cs(c("xrp", 10000000000000), c("usdx", 100000000000)), } authGS := app.NewFundedGenStateWithCoins(cdc, coins, addrs) tApp.InitializeFromGenesisStates( authGS, NewPricefeedGenStateMulti(cdc), NewCDPGenStateMulti(cdc), ) 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), "xrp-a") suite.NoError(err) } func (suite *DrawTestSuite) TestAddRepayPrincipal() { err := suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000)) suite.NoError(err) t, found := suite.keeper.GetCDP(suite.ctx, "xrp-a", uint64(1)) suite.True(found) suite.Equal(c("usdx", 20000000), t.Principal) ctd := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, "xrp-a", t.Principal.Add(t.AccumulatedFees)) suite.Equal(d("20.0"), ctd) ts := suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("20.0")) suite.Equal(0, len(ts)) ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("20.0").Add(sdk.SmallestDec())) suite.Equal(ts[0], t) tp := suite.keeper.GetTotalPrincipal(suite.ctx, "xrp-a", "usdx") suite.Equal(i(20000000), tp) ak := suite.app.GetAccountKeeper() bk := suite.app.GetBankKeeper() acc := ak.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(cs(c("xrp", 400000000), c("debt", 20000000)), bk.GetAllBalances(suite.ctx, acc.GetAddress())) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("susd", 10000000)) suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest)) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[1], "xrp-a", c("usdx", 10000000)) suite.Require().True(errors.Is(err, types.ErrCdpNotFound)) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("xusd", 10000000)) suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest)) err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 311000000)) suite.Require().True(errors.Is(err, types.ErrInvalidCollateralRatio)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000)) suite.NoError(err) t, found = suite.keeper.GetCDP(suite.ctx, "xrp-a", uint64(1)) suite.True(found) suite.Equal(c("usdx", 10000000), t.Principal) ctd = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, "xrp-a", t.Principal.Add(t.AccumulatedFees)) suite.Equal(d("40.0"), ctd) ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("40.0")) suite.Equal(0, len(ts)) ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("40.0").Add(sdk.SmallestDec())) suite.Equal(ts[0], t) ak = suite.app.GetAccountKeeper() bk = suite.app.GetBankKeeper() acc = ak.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(cs(c("xrp", 400000000), c("debt", 10000000)), bk.GetAllBalances(suite.ctx, acc.GetAddress())) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("xusd", 10000000)) suite.Require().True(errors.Is(err, types.ErrInvalidPayment)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[1], "xrp-a", c("xusd", 10000000)) suite.Require().True(errors.Is(err, types.ErrCdpNotFound)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 9000000)) suite.Require().True(errors.Is(err, types.ErrBelowDebtFloor)) err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000)) suite.NoError(err) _, found = suite.keeper.GetCDP(suite.ctx, "xrp-a", uint64(1)) suite.False(found) ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", types.MaxSortableDec) suite.Equal(0, len(ts)) ts = suite.keeper.GetAllCdpsByCollateralType(suite.ctx, "xrp-a") suite.Equal(0, len(ts)) ak = suite.app.GetAccountKeeper() bk = suite.app.GetBankKeeper() acc = ak.GetModuleAccount(suite.ctx, types.ModuleName) suite.Equal(sdk.Coins{}, bk.GetAllBalances(suite.ctx, acc.GetAddress())) } func (suite *DrawTestSuite) TestRepayPrincipalOverpay() { err := suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 20000000)) suite.NoError(err) ak := suite.app.GetAccountKeeper() bk := suite.app.GetBankKeeper() acc := ak.GetAccount(suite.ctx, suite.addrs[0]) suite.Equal(i(10000000000), (bk.GetBalance(suite.ctx, acc.GetAddress(), "usdx")).Amount) _, found := suite.keeper.GetCDP(suite.ctx, "xrp-a", 1) suite.False(found) } func (suite *DrawTestSuite) TestPricefeedFailure() { ctx := suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Hour * 2)) pfk := suite.app.GetPriceFeedKeeper() err := pfk.SetCurrentPrices(ctx, "xrp:usd") suite.Error(err) err = suite.keeper.AddPrincipal(ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000)) suite.Error(err) err = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000)) suite.NoError(err) } func (suite *DrawTestSuite) TestModuleAccountFailure() { ctx := suite.ctx.WithBlockHeader(suite.ctx.BlockHeader()) ak := suite.app.GetAccountKeeper() bk := suite.app.GetBankKeeper() acc := ak.GetModuleAccount(ctx, types.ModuleName) // Remove module account balance ak.RemoveAccount(ctx, acc) // Also need to burn coins as account keeper no longer stores balances err := bk.BurnCoins(ctx, types.ModuleName, bk.GetAllBalances(ctx, acc.GetAddress())) suite.Require().NoError(err) suite.Panics(func() { // Error ignored here since this should panic _ = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000)) }) } func TestDrawTestSuite(t *testing.T) { suite.Run(t, new(DrawTestSuite)) }