package keeper_test import ( "strings" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/tendermint/tendermint/crypto" 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/savings/types" ) func (suite *KeeperTestSuite) TestWithdraw() { type args struct { allowedDenoms []string depositor sdk.AccAddress initialDepositorBalance sdk.Coins depositAmount sdk.Coins withdrawAmount sdk.Coins expectedAccountBalance sdk.Coins expectedModAccountBalance sdk.Coins expectedDepositCoins sdk.Coins } type errArgs struct { expectPass bool expectDelete bool contains string } type withdrawTest struct { name string args args errArgs errArgs } testCases := []withdrawTest{ { "valid: partial withdraw", args{ allowedDenoms: []string{"bnb", "btcb", "ukava"}, depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))), initialDepositorBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))), depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))), withdrawAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(100))), expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(900)), sdk.NewCoin("btcb", sdk.NewInt(1000))), expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(100))), expectedDepositCoins: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(100))), }, errArgs{ expectPass: true, expectDelete: false, contains: "", }, }, { "valid: full withdraw", args{ allowedDenoms: []string{"bnb", "btcb", "ukava"}, initialDepositorBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))), depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))), depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))), withdrawAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))), expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))), expectedModAccountBalance: sdk.Coins{}, expectedDepositCoins: sdk.Coins{}, }, errArgs{ expectPass: true, expectDelete: true, contains: "", }, }, { "valid: withdraw exceeds deposit but is adjusted to match max deposit", args{ allowedDenoms: []string{"bnb", "btcb", "ukava"}, initialDepositorBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))), depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))), depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))), withdrawAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(300))), expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))), expectedModAccountBalance: sdk.Coins{}, expectedDepositCoins: sdk.Coins{}, }, errArgs{ expectPass: true, expectDelete: true, contains: "", }, }, { "invalid: withdraw non-supplied coin type", args{ allowedDenoms: []string{"bnb", "btcb", "ukava"}, depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))), initialDepositorBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))), depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))), withdrawAmount: sdk.NewCoins(sdk.NewCoin("btcb", sdk.NewInt(200))), expectedAccountBalance: sdk.Coins{}, expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))), expectedDepositCoins: sdk.Coins{}, }, errArgs{ expectPass: false, expectDelete: false, contains: "invalid withdraw denom", }, }, } for _, tc := range testCases { suite.Run(tc.name, func() { // Initialize test app and set context tApp := app.NewTestApp() ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()}) authGS := app.NewFundedGenStateWithCoins( tApp.AppCodec(), []sdk.Coins{tc.args.initialDepositorBalance}, []sdk.AccAddress{tc.args.depositor}, ) savingsGS := types.NewGenesisState( types.NewParams(tc.args.allowedDenoms), types.Deposits{}, ) tApp.InitializeFromGenesisStates(authGS, app.GenesisState{types.ModuleName: tApp.AppCodec().MustMarshalJSON(&savingsGS)}, ) keeper := tApp.GetSavingsKeeper() suite.app = tApp suite.ctx = ctx suite.keeper = keeper bankKeeper := tApp.GetBankKeeper() err := suite.keeper.Deposit(suite.ctx, tc.args.depositor, tc.args.depositAmount) suite.Require().NoError(err) err = suite.keeper.Withdraw(suite.ctx, tc.args.depositor, tc.args.withdrawAmount) if tc.errArgs.expectPass { suite.Require().NoError(err) // Check depositor's account balance acc := suite.getAccount(tc.args.depositor) suite.Require().Equal(tc.args.expectedAccountBalance, bankKeeper.GetAllBalances(ctx, acc.GetAddress())) // Check savings module account balance mAcc := suite.getModuleAccount(types.ModuleAccountName) suite.Require().True(tc.args.expectedModAccountBalance.IsEqual(bankKeeper.GetAllBalances(ctx, mAcc.GetAddress()))) // Check deposit testDeposit, f := suite.keeper.GetDeposit(suite.ctx, tc.args.depositor) if tc.errArgs.expectDelete { suite.Require().False(f) } else { suite.Require().True(f) suite.Require().Equal(tc.args.expectedDepositCoins, testDeposit.Amount) } } else { suite.Require().Error(err) suite.Require().True(strings.Contains(err.Error(), tc.errArgs.contains)) } }) } }