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e8242ace80
0g-chain/x/earn/keeper/strategy_savings_test.go
Kevin Davis ef874f9913
feat: add proposals for community pool deposits/withdrawals (#1304) 
* feat: community pool deposit/withdraw proposals

* fix: check community pool balance in tests

* add new msg type definitions

* add msg methods and tests

* add module and keeper skeleton

* add deposit and withdraw methods (no delegation)

* untested depsit/withdraw with delegation methods

* add cli cmds

* fix cli argument parsing

* add tests for delegate/undelegate msgs

* emit un/delegate events

* add godoc comments

* tally handler with liquid staking support

* clean up

* update for liquid keeper changes

* Exclude non-bkava denoms from aggregate underlying ukava calculation

* wip Add claim

* Add distr keeper and claiming

* Add claim test

* Update claim test with failures

* wip Add staking rewards

* -S

Fix savings to earn incentive methods

* Use a single accural time for all earn incentives

* Add additional required liquid methods

* Update genesis to only include 1 accrual time for earn

* Revert "Update genesis to only include 1 accrual time for earn"

This reverts commit cc7e35347298681c0c8a4a0b9bf9b9b296c25531.

* Revert "Use a single accural time for all earn incentives"

This reverts commit aeb49c4622d4e3d99dc6421c8830932b1b546be9.

* Update tests with incentive distribution

* Add earn to incentive rewards query

* add earn cli tx

* Update claim example to use ukava large

* add proposal to gov router

* fix example tx formating

* add proposal handlers to gov app module

* fix: define gov router after earn keeper

* fix: correct proposal type

* remove outdated comment

* refactor withdraw so that fee pool is allows adjusted by the actual withdraw amount

* fix: lint proto file

* use non blocked module account instead of dist acc

* add fund mod account to app, enable receiving

* update to new withdraw interface

* add human readable apy test cases

* remove duplicate changes from previous merge

* remove deprecated io/ioutil package

* standardize proposal type as a pointer
(also matches sdk)

* minior comments and formatting

* use withdraw amount in router msgs

Co-authored-by: rhuairahrighairigh <ruaridh.odonnell@gmail.com>
Co-authored-by: Draco <draco@dracoli.com>
Co-authored-by: drklee3 <derrick@dlee.dev>
Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
2022-09-29 18:01:06 +01:00

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package keeper_test
import (
"testing"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/earn/testutil"
"github.com/kava-labs/kava/x/earn/types"
"github.com/stretchr/testify/suite"
)
const savingsVaultDenom = "ukava"
type strategySavingsTestSuite struct {
testutil.Suite
}
func (suite *strategySavingsTestSuite) SetupTest() {
suite.Suite.SetupTest()
suite.Keeper.SetParams(suite.Ctx, types.DefaultParams())
}
func TestStrategySavingsTestSuite(t *testing.T) {
suite.Run(t, new(strategySavingsTestSuite))
}
func (suite *strategySavingsTestSuite) TestGetStrategyType() {
strategy, err := suite.Keeper.GetStrategy(types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
suite.Equal(types.STRATEGY_TYPE_SAVINGS, strategy.GetStrategyType())
}
func (suite *strategySavingsTestSuite) TestDeposit_SingleAcc() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
acc := suite.CreateAccount(sdk.NewCoins(startBalance), 0)
err := suite.Keeper.Deposit(suite.Ctx, acc.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
suite.SavingsDepositAmountEqual(sdk.NewCoins(depositAmount))
suite.VaultTotalValuesEqual(sdk.NewCoins(depositAmount))
suite.VaultTotalSharesEqual(types.NewVaultShares(
types.NewVaultShare(depositAmount.Denom, depositAmount.Amount.ToDec()),
))
// Query vault total
totalValue, err := suite.Keeper.GetVaultTotalValue(suite.Ctx, savingsVaultDenom)
suite.Require().NoError(err)
suite.Equal(depositAmount, totalValue)
}
func (suite *strategySavingsTestSuite) TestDeposit_SingleAcc_MultipleDeposits() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
acc := suite.CreateAccount(sdk.NewCoins(startBalance), 0)
err := suite.Keeper.Deposit(suite.Ctx, acc.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Second deposit
err = suite.Keeper.Deposit(suite.Ctx, acc.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
expectedVaultBalance := depositAmount.Add(depositAmount)
suite.SavingsDepositAmountEqual(sdk.NewCoins(expectedVaultBalance))
suite.VaultTotalValuesEqual(sdk.NewCoins(expectedVaultBalance))
suite.VaultTotalSharesEqual(types.NewVaultShares(
types.NewVaultShare(expectedVaultBalance.Denom, expectedVaultBalance.Amount.ToDec()),
))
// Query vault total
totalValue, err := suite.Keeper.GetVaultTotalValue(suite.Ctx, savingsVaultDenom)
suite.Require().NoError(err)
suite.Equal(depositAmount.Add(depositAmount), totalValue)
}
func (suite *strategySavingsTestSuite) TestDeposit_MultipleAcc_MultipleDeposits() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
expectedTotalValue := sdk.NewCoin(savingsVaultDenom, depositAmount.Amount.MulRaw(4))
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
acc1 := suite.CreateAccount(sdk.NewCoins(startBalance), 0)
acc2 := suite.CreateAccount(sdk.NewCoins(startBalance), 0)
// 2 deposits each account
for i := 0; i < 2; i++ {
// Deposit from acc1
err := suite.Keeper.Deposit(suite.Ctx, acc1.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Deposit from acc2
err = suite.Keeper.Deposit(suite.Ctx, acc2.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
}
suite.SavingsDepositAmountEqual(sdk.NewCoins(expectedTotalValue))
suite.VaultTotalValuesEqual(sdk.NewCoins(expectedTotalValue))
suite.VaultTotalSharesEqual(types.NewVaultShares(
types.NewVaultShare(expectedTotalValue.Denom, expectedTotalValue.Amount.ToDec()),
))
// Query vault total
totalValue, err := suite.Keeper.GetVaultTotalValue(suite.Ctx, savingsVaultDenom)
suite.Require().NoError(err)
suite.Equal(expectedTotalValue, totalValue)
}
func (suite *strategySavingsTestSuite) TestGetVaultTotalValue_Empty() {
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
// Query vault total
totalValue, err := suite.Keeper.GetVaultTotalValue(suite.Ctx, savingsVaultDenom)
suite.Require().NoError(err)
suite.Equal(sdk.NewCoin(savingsVaultDenom, sdk.ZeroInt()), totalValue)
}
func (suite *strategySavingsTestSuite) TestGetVaultTotalValue_NoDenomDeposit() {
// 2 Vaults usdx, busd
// 1st vault has deposits
// 2nd vault has no deposits
vaultDenomBusd := "busd"
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
suite.CreateVault(vaultDenomBusd, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
acc := suite.CreateAccount(sdk.NewCoins(startBalance), 0)
// Deposit vault1
err := suite.Keeper.Deposit(suite.Ctx, acc.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Query vault total, savings deposit exists for account, but amount in busd does not
// Vault2 does not have any value, only returns amount for the correct denom
// if a savings deposit already exists
totalValueBusd, err := suite.Keeper.GetVaultTotalValue(suite.Ctx, vaultDenomBusd)
suite.Require().NoError(err)
suite.Equal(sdk.NewCoin(vaultDenomBusd, sdk.ZeroInt()), totalValueBusd)
}
// ----------------------------------------------------------------------------
// Withdraw
func (suite *strategySavingsTestSuite) TestWithdraw() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
acc := suite.CreateAccount(sdk.NewCoins(startBalance), 0)
err := suite.Keeper.Deposit(suite.Ctx, acc.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
suite.SavingsDepositAmountEqual(sdk.NewCoins(depositAmount))
// Query vault total
totalValue, err := suite.Keeper.GetVaultTotalValue(suite.Ctx, savingsVaultDenom)
suite.Require().NoError(err)
suite.Equal(depositAmount, totalValue)
// Withdraw
_, err = suite.Keeper.Withdraw(suite.Ctx, acc.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
suite.SavingsDepositAmountEqual(sdk.NewCoins())
suite.VaultTotalValuesEqual(sdk.NewCoins())
suite.VaultTotalSharesEqual(types.NewVaultShares())
totalValue, err = suite.Keeper.GetVaultTotalValue(suite.Ctx, savingsVaultDenom)
suite.Require().NoError(err)
suite.Equal(sdk.NewInt64Coin(savingsVaultDenom, 0), totalValue)
// Withdraw again
_, err = suite.Keeper.Withdraw(suite.Ctx, acc.GetAddress(), depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().Error(err)
suite.Require().ErrorIs(err, types.ErrVaultRecordNotFound, "vault should be deleted when no more supply")
}
func (suite *strategySavingsTestSuite) TestWithdraw_OnlyWithdrawOwnSupply() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
// Deposits from 2 accounts
acc1 := suite.CreateAccount(sdk.NewCoins(startBalance), 0).GetAddress()
acc2 := suite.CreateAccount(sdk.NewCoins(startBalance), 1).GetAddress()
err := suite.Keeper.Deposit(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
err = suite.Keeper.Deposit(suite.Ctx, acc2, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Withdraw
_, err = suite.Keeper.Withdraw(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Withdraw again
_, err = suite.Keeper.Withdraw(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().Error(err)
suite.Require().ErrorIs(
err,
types.ErrVaultShareRecordNotFound,
"should only be able to withdraw the account's own supply",
)
}
func (suite *strategySavingsTestSuite) TestWithdraw_WithAccumulatedSavings() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
// Deposits accounts
acc := suite.CreateAccount(sdk.NewCoins(startBalance), 0).GetAddress()
acc2 := suite.CreateAccount(sdk.NewCoins(startBalance), 1).GetAddress()
err := suite.Keeper.Deposit(suite.Ctx, acc, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Deposit from acc2 so the vault doesn't get deleted when withdrawing
err = suite.Keeper.Deposit(suite.Ctx, acc2, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Direct savings deposit from module account to increase vault value
err = suite.App.FundModuleAccount(suite.Ctx, types.ModuleName, sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 20)))
suite.Require().NoError(err)
macc := suite.AccountKeeper.GetModuleAccount(suite.Ctx, types.ModuleName)
err = suite.SavingsKeeper.Deposit(suite.Ctx, macc.GetAddress(), sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 20)))
suite.Require().NoError(err)
// Query account value
accValue, err := suite.Keeper.GetVaultAccountValue(suite.Ctx, savingsVaultDenom, acc)
suite.Require().NoError(err)
suite.Equal(depositAmount.AddAmount(sdk.NewInt(10)), accValue)
// Withdraw 100, 10 remaining
_, err = suite.Keeper.Withdraw(suite.Ctx, acc, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Withdraw 100 again -- too much
_, err = suite.Keeper.Withdraw(suite.Ctx, acc, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().Error(err)
suite.Require().ErrorIs(
err,
types.ErrInsufficientValue,
"cannot withdraw more than account value",
)
// Half of remaining 10, 5 remaining
_, err = suite.Keeper.Withdraw(suite.Ctx, acc, sdk.NewCoin(savingsVaultDenom, sdk.NewInt(5)), types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// Withdraw all
_, err = suite.Keeper.Withdraw(suite.Ctx, acc, sdk.NewCoin(savingsVaultDenom, sdk.NewInt(5)), types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
accValue, err = suite.Keeper.GetVaultAccountValue(suite.Ctx, savingsVaultDenom, acc)
suite.Require().Errorf(
err,
"account should be deleted when all shares withdrawn but has %s value still",
accValue,
)
suite.Require().Equal("account vault share record for ukava not found", err.Error())
}
func (suite *strategySavingsTestSuite) TestAccountShares() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
err := suite.App.FundModuleAccount(suite.Ctx, types.ModuleName, sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 1000)))
suite.Require().NoError(err)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
// Deposit from account1
acc1 := suite.CreateAccount(sdk.NewCoins(startBalance), 0).GetAddress()
acc2 := suite.CreateAccount(sdk.NewCoins(startBalance), 1).GetAddress()
// 1. acc1 deposit 100
err = suite.Keeper.Deposit(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
acc1Shares, found := suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().True(found)
suite.Equal(sdk.NewDec(100), acc1Shares.AmountOf(savingsVaultDenom), "initial deposit 1:1 shares")
// 2. Direct savings deposit from module account to increase vault value
// Total value: 100 -> 110
macc := suite.AccountKeeper.GetModuleAccount(suite.Ctx, types.ModuleName)
err = suite.SavingsKeeper.Deposit(suite.Ctx, macc.GetAddress(), sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 10)))
suite.Require().NoError(err)
// 2. acc2 deposit 100
// share price is 10% more expensive now
// savings 110 -> 210
err = suite.Keeper.Deposit(suite.Ctx, acc2, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// 100 * 100 / 210 = 47.619047619 shares
// 2.1 price * 47.619047619 = 99.9999999999
acc2Value, err := suite.Keeper.GetVaultAccountValue(suite.Ctx, savingsVaultDenom, acc2)
suite.Require().NoError(err)
suite.Equal(
sdk.NewInt(99),
acc2Value.Amount,
"value 1 less than deposit amount with different share price, decimals truncated",
)
acc2Shares, found := suite.Keeper.GetVaultAccountShares(suite.Ctx, acc2)
suite.Require().True(found)
// 100 * 100 / 110 = 90.909090909090909091
// QuoInt64() truncates
expectedAcc2Shares := sdk.NewDec(100).MulInt64(100).QuoInt64(110)
suite.Equal(expectedAcc2Shares, acc2Shares.AmountOf(savingsVaultDenom))
vaultTotalShares, found := suite.Keeper.GetVaultTotalShares(suite.Ctx, savingsVaultDenom)
suite.Require().True(found)
suite.Equal(sdk.NewDec(100).Add(expectedAcc2Shares), vaultTotalShares.Amount)
// Savings deposit again from module account to triple original value
// 210 -> 300
err = suite.SavingsKeeper.Deposit(suite.Ctx, macc.GetAddress(), sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 90)))
suite.Require().NoError(err)
// Deposit again from acc1
err = suite.Keeper.Deposit(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
acc1Shares, found = suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().True(found)
// totalShares = 100 + 90 = 190
// totalValue = 100 + 10 + 100 + 90 = 300
// sharesIssued = assetAmount * (shareCount / totalTokens)
// sharedIssued = 100 * 190 / 300 = 63.3 = 63
// total shares = 100 + 63 = 163
suite.Equal(
sdk.NewDec(100).Add(sdk.NewDec(100).Mul(vaultTotalShares.Amount).Quo(sdk.NewDec(300))),
acc1Shares.AmountOf(savingsVaultDenom),
"shares should consist of 100 of 1x share price and 63 of 3x share price",
)
}
func (suite *strategySavingsTestSuite) TestWithdraw_AccumulatedAmount() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
err := suite.App.FundModuleAccount(suite.Ctx, types.ModuleName, sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 1000)))
suite.Require().NoError(err)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
// Deposit from account1
acc1 := suite.CreateAccount(sdk.NewCoins(startBalance), 0).GetAddress()
acc2 := suite.CreateAccount(sdk.NewCoins(startBalance), 1).GetAddress()
// 1. acc1 deposit 100
err = suite.Keeper.Deposit(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// acc2 deposit 100, just to make sure other deposits do not affect acc1
err = suite.Keeper.Deposit(suite.Ctx, acc2, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
acc1Shares, found := suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().True(found)
suite.Equal(sdk.NewDec(100), acc1Shares.AmountOf(savingsVaultDenom), "initial deposit 1:1 shares")
// 2. Direct savings deposit from module account to increase vault value
// Total value: 200 -> 220, 110 each account
macc := suite.AccountKeeper.GetModuleAccount(suite.Ctx, types.ModuleName)
err = suite.SavingsKeeper.Deposit(suite.Ctx, macc.GetAddress(), sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 20)))
suite.Require().NoError(err)
// 3. Withdraw all from acc1 - including accumulated amount
_, err = suite.Keeper.Withdraw(suite.Ctx, acc1, depositAmount.AddAmount(sdk.NewInt(10)), types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
_, found = suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().False(found, "should have withdrawn entire shares")
}
func (suite *strategySavingsTestSuite) TestWithdraw_AccumulatedTruncated() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
err := suite.App.FundModuleAccount(suite.Ctx, types.ModuleName, sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 1000)))
suite.Require().NoError(err)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
// Deposit from account1
acc1 := suite.CreateAccount(sdk.NewCoins(startBalance), 0).GetAddress()
acc2 := suite.CreateAccount(sdk.NewCoins(startBalance), 1).GetAddress()
// 1. acc1 deposit 100
err = suite.Keeper.Deposit(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
// acc2 deposit 100, just to make sure other deposits do not affect acc1
err = suite.Keeper.Deposit(suite.Ctx, acc2, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
acc1Shares, found := suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().True(found)
suite.Equal(sdk.NewDec(100), acc1Shares.AmountOf(savingsVaultDenom), "initial deposit 1:1 shares")
// 2. Direct savings deposit from module account to increase vault value
// Total value: 200 -> 211, 105.5 each account
macc := suite.AccountKeeper.GetModuleAccount(suite.Ctx, types.ModuleName)
err = suite.SavingsKeeper.Deposit(suite.Ctx, macc.GetAddress(), sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 11)))
suite.Require().NoError(err)
accBal, err := suite.Keeper.GetVaultAccountValue(suite.Ctx, savingsVaultDenom, acc1)
suite.Require().NoError(err)
suite.Equal(depositAmount.AddAmount(sdk.NewInt(5)), accBal, "acc1 should have 105 usdx")
// 3. Withdraw all from acc1 - including accumulated amount
_, err = suite.Keeper.Withdraw(suite.Ctx, acc1, depositAmount.AddAmount(sdk.NewInt(5)), types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
acc1Shares, found = suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().Falsef(found, "should have withdrawn entire shares but has %s", acc1Shares)
_, err = suite.Keeper.GetVaultAccountValue(suite.Ctx, savingsVaultDenom, acc1)
suite.Require().Error(err)
}
func (suite *strategySavingsTestSuite) TestWithdraw_ExpensiveShares() {
startBalance := sdk.NewInt64Coin(savingsVaultDenom, 1000)
depositAmount := sdk.NewInt64Coin(savingsVaultDenom, 100)
err := suite.App.FundModuleAccount(suite.Ctx, types.ModuleName, sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 2000)))
suite.Require().NoError(err)
suite.CreateVault(savingsVaultDenom, types.StrategyTypes{types.STRATEGY_TYPE_SAVINGS}, false, nil)
// Deposit from account1
acc1 := suite.CreateAccount(sdk.NewCoins(startBalance), 0).GetAddress()
// 1. acc1 deposit 100
err = suite.Keeper.Deposit(suite.Ctx, acc1, depositAmount, types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
acc1Shares, found := suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().True(found)
suite.Equal(sdk.NewDec(100), acc1Shares.AmountOf(savingsVaultDenom), "initial deposit 1:1 shares")
// 2. Direct savings deposit from module account to increase vault value
// Total value: 100 -> 2000, shares now 10usdx each
macc := suite.AccountKeeper.GetModuleAccount(suite.Ctx, types.ModuleName)
err = suite.SavingsKeeper.Deposit(suite.Ctx, macc.GetAddress(), sdk.NewCoins(sdk.NewInt64Coin(savingsVaultDenom, 1900)))
suite.Require().NoError(err)
accBal, err := suite.Keeper.GetVaultAccountValue(suite.Ctx, savingsVaultDenom, acc1)
suite.Require().NoError(err)
suite.Equal(sdk.NewInt(2000), accBal.Amount, "acc1 should have 2000 usdx")
// 3. Withdraw all from acc1 - including accumulated amount
_, err = suite.Keeper.Withdraw(suite.Ctx, acc1, sdk.NewInt64Coin(savingsVaultDenom, 2000), types.STRATEGY_TYPE_SAVINGS)
suite.Require().NoError(err)
acc1Shares, found = suite.Keeper.GetVaultAccountShares(suite.Ctx, acc1)
suite.Require().Falsef(found, "should have withdrawn entire shares but has %s", acc1Shares)
_, err = suite.Keeper.GetVaultAccountValue(suite.Ctx, savingsVaultDenom, acc1)
suite.Require().Error(err)
}
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