package keeper_test import ( "errors" "fmt" "github.com/kava-labs/kava/x/swap/types" sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" tmproto "github.com/tendermint/tendermint/proto/tendermint/types" tmtime "github.com/tendermint/tendermint/types/time" ) func (suite *keeperTestSuite) TestDeposit_CreatePool_PoolNotAllowed() { depositor := suite.CreateAccount(sdk.Coins{}) amountA := sdk.NewCoin("ukava", sdk.NewInt(10e6)) amountB := sdk.NewCoin("usdx", sdk.NewInt(50e6)) err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), amountA, amountB, sdk.MustNewDecFromStr("0.01")) suite.Require().EqualError(err, "can not create pool 'ukava:usdx': not allowed") } func (suite *keeperTestSuite) TestDeposit_InsufficientFunds() { testCases := []struct { name string balanceA sdk.Coin balanceB sdk.Coin depositA sdk.Coin depositB sdk.Coin }{ { name: "no balance", balanceA: sdk.NewCoin("unuseddenom", sdk.ZeroInt()), balanceB: sdk.NewCoin("unuseddenom", sdk.ZeroInt()), depositA: sdk.NewCoin("ukava", sdk.NewInt(100)), depositB: sdk.NewCoin("usdx", sdk.NewInt(100)), }, { name: "low balance", balanceA: sdk.NewCoin("ukava", sdk.NewInt(1000000)), balanceB: sdk.NewCoin("usdx", sdk.NewInt(1000000)), depositA: sdk.NewCoin("ukava", sdk.NewInt(1000001)), depositB: sdk.NewCoin("usdx", sdk.NewInt(10000001)), }, { name: "large balance difference", balanceA: sdk.NewCoin("ukava", sdk.NewInt(100e6)), balanceB: sdk.NewCoin("usdx", sdk.NewInt(500e6)), depositA: sdk.NewCoin("ukava", sdk.NewInt(1000e6)), depositB: sdk.NewCoin("usdx", sdk.NewInt(5000e6)), }, } for _, tc := range testCases { suite.Run(tc.name, func() { suite.SetupTest() pool := types.NewAllowedPool(tc.depositA.Denom, tc.depositB.Denom) suite.Require().NoError(pool.Validate()) suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.NewAllowedPools(pool), types.DefaultSwapFee)) balance := sdk.NewCoins(tc.balanceA, tc.balanceB) depositor := suite.CreateAccount(balance) err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), tc.depositA, tc.depositB, sdk.MustNewDecFromStr("0")) // TODO: wrap in module specific error? suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds), fmt.Sprintf("got err %s", err)) suite.SetupTest() // test deposit to existing pool insuffient funds err = suite.CreatePool(sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(50e6)))) suite.Require().NoError(err) err = suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), tc.depositA, tc.depositB, sdk.MustNewDecFromStr("10")) suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds)) }) } } func (suite *keeperTestSuite) TestDeposit_InsufficientFunds_Vesting() { testCases := []struct { name string balanceA sdk.Coin balanceB sdk.Coin vestingA sdk.Coin vestingB sdk.Coin depositA sdk.Coin depositB sdk.Coin }{ { name: "no balance, vesting only", balanceA: sdk.NewCoin("ukava", sdk.ZeroInt()), balanceB: sdk.NewCoin("usdx", sdk.ZeroInt()), vestingA: sdk.NewCoin("ukava", sdk.NewInt(100)), vestingB: sdk.NewCoin("usdx", sdk.NewInt(100)), depositA: sdk.NewCoin("ukava", sdk.NewInt(100)), depositB: sdk.NewCoin("usdx", sdk.NewInt(100)), }, { name: "vesting matches balance exactly", balanceA: sdk.NewCoin("ukava", sdk.NewInt(1000000)), balanceB: sdk.NewCoin("usdx", sdk.NewInt(1000000)), vestingA: sdk.NewCoin("ukava", sdk.NewInt(1)), vestingB: sdk.NewCoin("usdx", sdk.NewInt(1)), depositA: sdk.NewCoin("ukava", sdk.NewInt(1000001)), depositB: sdk.NewCoin("usdx", sdk.NewInt(10000001)), }, { name: "large balance difference, vesting covers difference", balanceA: sdk.NewCoin("ukava", sdk.NewInt(100e6)), balanceB: sdk.NewCoin("usdx", sdk.NewInt(500e6)), vestingA: sdk.NewCoin("ukava", sdk.NewInt(1000e6)), vestingB: sdk.NewCoin("usdx", sdk.NewInt(5000e6)), depositA: sdk.NewCoin("ukava", sdk.NewInt(1000e6)), depositB: sdk.NewCoin("usdx", sdk.NewInt(5000e6)), }, } for _, tc := range testCases { suite.Run(tc.name, func() { suite.SetupTest() pool := types.NewAllowedPool(tc.depositA.Denom, tc.depositB.Denom) suite.Require().NoError(pool.Validate()) suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.NewAllowedPools(pool), types.DefaultSwapFee)) balance := sdk.NewCoins(tc.balanceA, tc.balanceB) vesting := sdk.NewCoins(tc.vestingA, tc.vestingB) depositor := suite.CreateVestingAccount(balance, vesting) // test create pool insuffient funds err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), tc.depositA, tc.depositB, sdk.MustNewDecFromStr("0")) // TODO: wrap in module specific error? suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds)) suite.SetupTest() // test deposit to existing pool insuffient funds err = suite.CreatePool(sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(50e6)))) suite.Require().NoError(err) err = suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), tc.depositA, tc.depositB, sdk.MustNewDecFromStr("4")) suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds)) }) } } func (suite *keeperTestSuite) TestDeposit_CreatePool() { pool := types.NewAllowedPool("ukava", "usdx") suite.Require().NoError(pool.Validate()) suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.NewAllowedPools(pool), types.DefaultSwapFee)) amountA := sdk.NewCoin(pool.TokenA, sdk.NewInt(11e6)) amountB := sdk.NewCoin(pool.TokenB, sdk.NewInt(51e6)) balance := sdk.NewCoins(amountA, amountB) depositor := suite.CreateAccount(balance) depositA := sdk.NewCoin(pool.TokenA, sdk.NewInt(10e6)) depositB := sdk.NewCoin(pool.TokenB, sdk.NewInt(50e6)) deposit := sdk.NewCoins(depositA, depositB) err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), depositA, depositB, sdk.MustNewDecFromStr("0")) suite.Require().NoError(err) suite.AccountBalanceEqual(depositor.GetAddress(), sdk.NewCoins(amountA.Sub(depositA), amountB.Sub(depositB))) suite.ModuleAccountBalanceEqual(sdk.NewCoins(depositA, depositB)) suite.PoolLiquidityEqual(deposit) suite.PoolShareValueEqual(depositor, pool, deposit) suite.EventsContains(suite.Ctx.EventManager().Events(), sdk.NewEvent( types.EventTypeSwapDeposit, sdk.NewAttribute(types.AttributeKeyPoolID, pool.Name()), sdk.NewAttribute(types.AttributeKeyDepositor, depositor.GetAddress().String()), sdk.NewAttribute(sdk.AttributeKeyAmount, deposit.String()), sdk.NewAttribute(types.AttributeKeyShares, "22360679"), )) } func (suite *keeperTestSuite) TestDeposit_PoolExists() { pool := types.NewAllowedPool("ukava", "usdx") reserves := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(50e6)), ) err := suite.CreatePool(reserves) suite.Require().NoError(err) balance := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), ) depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance) // TODO this is padded to the correct length, find a nicer way of creating test addresses depositA := sdk.NewCoin("usdx", balance.AmountOf("usdx")) depositB := sdk.NewCoin("ukava", balance.AmountOf("ukava")) ctx := suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()}) err = suite.Keeper.Deposit(ctx, depositor.GetAddress(), depositA, depositB, sdk.MustNewDecFromStr("4")) suite.Require().NoError(err) expectedDeposit := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), ) expectedShareValue := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(999999)), sdk.NewCoin("usdx", sdk.NewInt(4999998)), ) suite.AccountBalanceEqual(depositor.GetAddress(), balance.Sub(expectedDeposit...)) suite.ModuleAccountBalanceEqual(reserves.Add(expectedDeposit...)) suite.PoolLiquidityEqual(reserves.Add(expectedDeposit...)) suite.PoolShareValueEqual(depositor, pool, expectedShareValue) suite.EventsContains(ctx.EventManager().Events(), sdk.NewEvent( types.EventTypeSwapDeposit, sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID(pool.TokenA, pool.TokenB)), sdk.NewAttribute(types.AttributeKeyDepositor, depositor.GetAddress().String()), sdk.NewAttribute(sdk.AttributeKeyAmount, expectedDeposit.String()), sdk.NewAttribute(types.AttributeKeyShares, "2236067"), )) } func (suite *keeperTestSuite) TestDeposit_MultipleDeposit() { fundsToDeposit := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(25e6)), ) owner := suite.CreateAccount(fundsToDeposit) reserves := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(50e6)), ) initialShares := sdk.NewInt(30e6) poolID := suite.setupPool(reserves, initialShares, owner.GetAddress()) depositA := sdk.NewCoin("usdx", fundsToDeposit.AmountOf("usdx")) depositB := sdk.NewCoin("ukava", fundsToDeposit.AmountOf("ukava")) err := suite.Keeper.Deposit(suite.Ctx, owner.GetAddress(), depositA, depositB, sdk.MustNewDecFromStr("4")) suite.Require().NoError(err) totalDeposit := reserves.Add(fundsToDeposit...) totalShares := initialShares.Add(sdk.NewInt(15e6)) suite.AccountBalanceEqual(owner.GetAddress(), sdk.Coins{}) suite.ModuleAccountBalanceEqual(totalDeposit) suite.PoolLiquidityEqual(totalDeposit) suite.PoolDepositorSharesEqual(owner.GetAddress(), poolID, totalShares) suite.EventsContains(suite.Ctx.EventManager().Events(), sdk.NewEvent( types.EventTypeSwapDeposit, sdk.NewAttribute(types.AttributeKeyPoolID, poolID), sdk.NewAttribute(types.AttributeKeyDepositor, owner.GetAddress().String()), sdk.NewAttribute(sdk.AttributeKeyAmount, fundsToDeposit.String()), sdk.NewAttribute(types.AttributeKeyShares, "15000000"), )) } func (suite *keeperTestSuite) TestDeposit_Slippage() { reserves := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(50e6)), ) testCases := []struct { depositA sdk.Coin depositB sdk.Coin slippage sdk.Dec shouldFail bool }{ {sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.7"), true}, {sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.8"), true}, {sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("3"), true}, {sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("4"), false}, {sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0"), false}, {sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4e6)), sdk.MustNewDecFromStr("0.25"), false}, {sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4e6)), sdk.MustNewDecFromStr("0.2"), true}, } for _, tc := range testCases { suite.Run(fmt.Sprintf("depositA=%s depositB=%s slippage=%s", tc.depositA, tc.depositB, tc.slippage), func() { suite.SetupTest() err := suite.CreatePool(reserves) suite.Require().NoError(err) balance := sdk.NewCoins( sdk.NewCoin("ukava", sdk.NewInt(100e6)), sdk.NewCoin("usdx", sdk.NewInt(100e6)), ) depositor := suite.CreateAccount(balance) ctx := suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()}) err = suite.Keeper.Deposit(ctx, depositor.GetAddress(), tc.depositA, tc.depositB, tc.slippage) if tc.shouldFail { suite.Require().Error(err) suite.Contains(err.Error(), "slippage exceeded") } else { suite.NoError(err) } }) } } func (suite *keeperTestSuite) TestDeposit_InsufficientLiquidity() { testCases := []struct { poolA sdk.Coin poolB sdk.Coin poolShares sdk.Int depositA sdk.Coin depositB sdk.Coin }{ // test deposit amount truncating to zero {sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(50e6)), sdk.NewInt(40e6), sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(1))}, // test share value rounding to zero {sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(10e6)), sdk.NewInt(100), sdk.NewCoin("ukava", sdk.NewInt(1000)), sdk.NewCoin("usdx", sdk.NewInt(1000))}, } for _, tc := range testCases { suite.Run(fmt.Sprintf("depositA=%s depositB=%s", tc.depositA, tc.depositB), func() { suite.SetupTest() record := types.PoolRecord{ PoolID: types.PoolID("ukava", "usdx"), ReservesA: tc.poolA, ReservesB: tc.poolB, TotalShares: tc.poolShares, } suite.Keeper.SetPool(suite.Ctx, record) balance := sdk.NewCoins(tc.depositA, tc.depositB) depositor := suite.CreateAccount(balance) err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), tc.depositA, tc.depositB, sdk.MustNewDecFromStr("10")) suite.EqualError(err, "deposit must be increased: insufficient liquidity") }) } }