package testutil import ( "fmt" "reflect" "time" "github.com/kava-labs/kava/app" "github.com/kava-labs/kava/x/swap" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/x/auth" authexported "github.com/cosmos/cosmos-sdk/x/auth/exported" vestingtypes "github.com/cosmos/cosmos-sdk/x/auth/vesting/types" "github.com/cosmos/cosmos-sdk/x/bank" "github.com/cosmos/cosmos-sdk/x/supply" "github.com/stretchr/testify/suite" abci "github.com/tendermint/tendermint/abci/types" kv "github.com/tendermint/tendermint/libs/kv" tmtime "github.com/tendermint/tendermint/types/time" ) var defaultSwapFee = sdk.MustNewDecFromStr("0.003") // Suite implements a test suite for the swap module integration tests type Suite struct { suite.Suite Keeper swap.Keeper App app.TestApp Ctx sdk.Context bankKeeper bank.Keeper supplyKeeper supply.Keeper } // SetupTest instantiates a new app, keepers, and sets suite state func (suite *Suite) SetupTest() { tApp := app.NewTestApp() ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()}) keeper := tApp.GetSwapKeeper() bankKeeper := tApp.GetBankKeeper() supplyKeeper := tApp.GetSupplyKeeper() suite.Ctx = ctx suite.App = tApp suite.Keeper = keeper suite.bankKeeper = bankKeeper suite.supplyKeeper = supplyKeeper } // AddCoinsToModule adds coins to the swap module account func (suite *Suite) AddCoinsToModule(amount sdk.Coins) { macc, _ := suite.supplyKeeper.GetModuleAccountAndPermissions(suite.Ctx, swap.ModuleName) _, err := suite.bankKeeper.AddCoins(suite.Ctx, macc.GetAddress(), amount) suite.Require().NoError(err) } // RemoveCoinsFromModule adds coins to the swap module account func (suite *Suite) RemoveCoinsFromModule(amount sdk.Coins) { macc, _ := suite.supplyKeeper.GetModuleAccountAndPermissions(suite.Ctx, swap.ModuleName) _, err := suite.bankKeeper.SubtractCoins(suite.Ctx, macc.GetAddress(), amount) suite.Require().NoError(err) } // GetAccount gets an existing account func (suite *Suite) GetAccount(addr sdk.AccAddress) authexported.Account { ak := suite.App.GetAccountKeeper() return ak.GetAccount(suite.Ctx, addr) } // CreateAccount creates a new account from the provided balance func (suite *Suite) CreateAccount(initialBalance sdk.Coins) authexported.Account { _, addrs := app.GeneratePrivKeyAddressPairs(1) ak := suite.App.GetAccountKeeper() acc := ak.NewAccountWithAddress(suite.Ctx, addrs[0]) err := acc.SetCoins(initialBalance) suite.Require().NoError(err) ak.SetAccount(suite.Ctx, acc) return acc } // NewAccountFromAddr creates a new account from the provided address with the provided balance func (suite *Suite) NewAccountFromAddr(addr sdk.AccAddress, balance sdk.Coins) authexported.Account { ak := suite.App.GetAccountKeeper() acc := ak.NewAccountWithAddress(suite.Ctx, addr) err := acc.SetCoins(balance) suite.Require().NoError(err) ak.SetAccount(suite.Ctx, acc) return acc } // CreateVestingAccount creats a new vesting account from the provided balance and vesting balance func (suite *Suite) CreateVestingAccount(initialBalance sdk.Coins, vestingBalance sdk.Coins) authexported.Account { acc := suite.CreateAccount(initialBalance) bacc := acc.(*auth.BaseAccount) periods := vestingtypes.Periods{ vestingtypes.Period{ Length: 31556952, Amount: vestingBalance, }, } vacc := vestingtypes.NewPeriodicVestingAccount(bacc, time.Now().Unix(), periods) return vacc } // CreatePool creates a pool and stores it in state with the provided reserves func (suite *Suite) CreatePool(reserves sdk.Coins) error { depositor := suite.CreateAccount(reserves) pool := swap.NewAllowedPool(reserves[0].Denom, reserves[1].Denom) suite.Require().NoError(pool.Validate()) suite.Keeper.SetParams(suite.Ctx, swap.NewParams(swap.NewAllowedPools(pool), defaultSwapFee)) return suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), reserves[0], reserves[1], sdk.MustNewDecFromStr("1")) } // AccountBalanceEqual asserts that the coins match the account balance func (suite *Suite) AccountBalanceEqual(acc authexported.Account, coins sdk.Coins) { ak := suite.App.GetAccountKeeper() acc = ak.GetAccount(suite.Ctx, acc.GetAddress()) suite.Equal(coins, acc.GetCoins(), fmt.Sprintf("expected account balance to equal coins %s, but got %s", coins, acc.GetCoins())) } // AccountBalanceDelta asserts that the coins are within delta of the account balance func (suite *Suite) AccountBalanceDelta(acc authexported.Account, coins sdk.Coins, delta float64) { ak := suite.App.GetAccountKeeper() acc = ak.GetAccount(suite.Ctx, acc.GetAddress()) accCoins := acc.GetCoins() allCoins := coins.Add(accCoins...) for _, coin := range allCoins { suite.InDelta( coins.AmountOf(coin.Denom).Int64(), accCoins.AmountOf(coin.Denom).Int64(), delta, fmt.Sprintf("expected module account balance to be in delta %f of coins %s, but got %s", delta, coins, accCoins), ) } } // ModuleAccountBalanceEqual asserts that the swap module account balance matches the provided coins func (suite *Suite) ModuleAccountBalanceEqual(coins sdk.Coins) { macc, _ := suite.supplyKeeper.GetModuleAccountAndPermissions(suite.Ctx, swap.ModuleName) suite.Require().NotNil(macc, "expected module account to be defined") suite.Equal(coins, macc.GetCoins(), fmt.Sprintf("expected module account balance to equal coins %s, but got %s", coins, macc.GetCoins())) } // ModuleAccountBalanceDelta asserts that the swap module account balance is within acceptable delta of the provided coins func (suite *Suite) ModuleAccountBalanceDelta(coins sdk.Coins, delta float64) { macc, _ := suite.supplyKeeper.GetModuleAccountAndPermissions(suite.Ctx, swap.ModuleName) suite.Require().NotNil(macc, "expected module account to be defined") allCoins := coins.Add(macc.GetCoins()...) for _, coin := range allCoins { suite.InDelta( coins.AmountOf(coin.Denom).Int64(), macc.GetCoins().AmountOf(coin.Denom).Int64(), delta, fmt.Sprintf("expected module account balance to be in delta %f of coins %s, but got %s", delta, coins, macc.GetCoins()), ) } } // PoolLiquidityEqual asserts that the pool matching the provided coins has those reserves func (suite *Suite) PoolLiquidityEqual(coins sdk.Coins) { poolRecord, ok := suite.Keeper.GetPool(suite.Ctx, swap.PoolIDFromCoins(coins)) suite.Require().True(ok, "expected pool to exist") reserves := sdk.NewCoins(poolRecord.ReservesA, poolRecord.ReservesB) suite.Equal(coins, reserves, fmt.Sprintf("expected pool reserves of %s, got %s", coins, reserves)) } // PoolDeleted asserts that the pool does not exist func (suite *Suite) PoolDeleted(denomA, denomB string) { _, ok := suite.Keeper.GetPool(suite.Ctx, swap.PoolID(denomA, denomB)) suite.Require().False(ok, "expected pool to not exist") } // PoolLiquidityDelta asserts that the pool matching the provided coins has those reserves within delta func (suite *Suite) PoolLiquidityDelta(coins sdk.Coins, delta float64) { poolRecord, ok := suite.Keeper.GetPool(suite.Ctx, swap.PoolIDFromCoins(coins)) suite.Require().True(ok, "expected pool to exist") suite.InDelta( poolRecord.ReservesA.Amount.Int64(), coins.AmountOf(poolRecord.ReservesA.Denom).Int64(), delta, fmt.Sprintf("expected pool reserves within delta %f of %s, got %s", delta, coins, poolRecord.Reserves()), ) suite.InDelta( poolRecord.ReservesB.Amount.Int64(), coins.AmountOf(poolRecord.ReservesB.Denom).Int64(), delta, fmt.Sprintf("expected pool reserves within delta %f of %s, got %s", delta, coins, poolRecord.Reserves()), ) } // PoolShareTotalEqual asserts the total shares match the stored pool func (suite *Suite) PoolShareTotalEqual(poolID string, totalShares sdk.Int) { poolRecord, found := suite.Keeper.GetPool(suite.Ctx, poolID) suite.Require().True(found, fmt.Sprintf("expected pool %s to exist", poolID)) suite.Equal(totalShares, poolRecord.TotalShares, "expected pool total shares to be equal") } // PoolDepositorSharesEqual asserts the depositor owns the shares for the provided pool func (suite *Suite) PoolDepositorSharesEqual(depositor sdk.AccAddress, poolID string, shares sdk.Int) { shareRecord, found := suite.Keeper.GetDepositorShares(suite.Ctx, depositor, poolID) suite.Require().True(found, fmt.Sprintf("expected share record to exist for depositor %s and pool %s", depositor.String(), poolID)) suite.Equal(shares, shareRecord.SharesOwned) } // PoolReservesEqual assets the stored pool reserves are equal to the provided reserves func (suite *Suite) PoolReservesEqual(poolID string, reserves sdk.Coins) { poolRecord, found := suite.Keeper.GetPool(suite.Ctx, poolID) suite.Require().True(found, fmt.Sprintf("expected pool %s to exist", poolID)) suite.Equal(reserves, poolRecord.Reserves(), "expected pool reserves to be equal") } // PoolShareValueEqual asserts that the depositor shares are in state and the value matches the expected coins func (suite *Suite) PoolShareValueEqual(depositor authexported.Account, pool swap.AllowedPool, coins sdk.Coins) { poolRecord, ok := suite.Keeper.GetPool(suite.Ctx, pool.Name()) suite.Require().True(ok, fmt.Sprintf("expected pool %s to exist", pool.Name())) shares, ok := suite.Keeper.GetDepositorShares(suite.Ctx, depositor.GetAddress(), poolRecord.PoolID) suite.Require().True(ok, fmt.Sprintf("expected shares to exist for depositor %s", depositor.GetAddress())) storedPool, err := swap.NewDenominatedPoolWithExistingShares(sdk.NewCoins(poolRecord.ReservesA, poolRecord.ReservesB), poolRecord.TotalShares) suite.Nil(err) value := storedPool.ShareValue(shares.SharesOwned) suite.Equal(coins, value, fmt.Sprintf("expected shares to equal %s, but got %s", coins, value)) } // PoolShareValueDelta asserts that the depositor shares are in state and the value is within delta of the expected coins func (suite *Suite) PoolShareValueDelta(depositor authexported.Account, pool swap.AllowedPool, coins sdk.Coins, delta float64) { poolRecord, ok := suite.Keeper.GetPool(suite.Ctx, pool.Name()) suite.Require().True(ok, fmt.Sprintf("expected pool %s to exist", pool.Name())) shares, ok := suite.Keeper.GetDepositorShares(suite.Ctx, depositor.GetAddress(), poolRecord.PoolID) suite.Require().True(ok, fmt.Sprintf("expected shares to exist for depositor %s", depositor.GetAddress())) storedPool, err := swap.NewDenominatedPoolWithExistingShares(sdk.NewCoins(poolRecord.ReservesA, poolRecord.ReservesB), poolRecord.TotalShares) suite.Nil(err) value := storedPool.ShareValue(shares.SharesOwned) for _, coin := range coins { suite.InDelta( coin.Amount.Int64(), value.AmountOf(coin.Denom).Int64(), delta, fmt.Sprintf("expected shares to be within delta %f of %s, but got %s", delta, coins, value), ) } } // PoolSharesDeleted asserts that the pool shares have been removed func (suite *Suite) PoolSharesDeleted(depositor sdk.AccAddress, denomA, denomB string) { _, ok := suite.Keeper.GetDepositorShares(suite.Ctx, depositor, swap.PoolID(denomA, denomB)) suite.Require().False(ok, "expected pool shares to not exist") } // EventsContains asserts that the expected event is in the provided events func (suite *Suite) EventsContains(events sdk.Events, expectedEvent sdk.Event) { foundMatch := false for _, event := range events { if event.Type == expectedEvent.Type { if reflect.DeepEqual(attrsToMap(expectedEvent.Attributes), attrsToMap(event.Attributes)) { foundMatch = true } } } suite.True(foundMatch, fmt.Sprintf("event of type %s not found or did not match", expectedEvent.Type)) } func attrsToMap(attrs []kv.Pair) []sdk.Attribute { out := []sdk.Attribute{} for _, attr := range attrs { out = append(out, sdk.NewAttribute(string(attr.Key), string(attr.Value))) } return out }