mirror of
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198 lines
11 KiB
Go
198 lines
11 KiB
Go
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package keeper_test
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import (
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"github.com/kava-labs/kava/x/swap/types"
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"github.com/kava-labs/kava/x/swap/types/mocks"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/stretchr/testify/mock"
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)
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func (suite *keeperTestSuite) TestHooks_DepositAndWithdraw() {
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suite.Keeper.ClearHooks()
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swapHooks := &mocks.SwapHooks{}
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suite.Keeper.SetHooks(swapHooks)
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pool := types.NewAllowedPool("ukava", "usdx")
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suite.Require().NoError(pool.Validate())
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suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.NewAllowedPools(pool), types.DefaultSwapFee))
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balance := sdk.NewCoins(
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sdk.NewCoin(pool.TokenA, sdk.NewInt(1000e6)),
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sdk.NewCoin(pool.TokenB, sdk.NewInt(1000e6)),
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)
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depositor_1 := suite.CreateAccount(balance)
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depositA := sdk.NewCoin(pool.TokenA, sdk.NewInt(10e6))
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depositB := sdk.NewCoin(pool.TokenB, sdk.NewInt(50e6))
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deposit := sdk.NewCoins(depositA, depositB)
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// expected initial shares - geometric mean
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expectedShares := sdk.NewInt(22360679)
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// first deposit creates pool - calls AfterPoolDepositCreated with initial shares
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swapHooks.On("AfterPoolDepositCreated", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_1.GetAddress(), expectedShares).Once()
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err := suite.Keeper.Deposit(suite.Ctx, depositor_1.GetAddress(), depositA, depositB, sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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// second deposit adds to pool - calls BeforePoolDepositModified
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// shares given are the initial shares, not the shares added to the pool
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_1.GetAddress(), expectedShares).Once()
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err = suite.Keeper.Deposit(suite.Ctx, depositor_1.GetAddress(), sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(25e6)), sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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// get the shares from the store from the last deposit
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shareRecord, found := suite.Keeper.GetDepositorShares(suite.Ctx, depositor_1.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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// third deposit adds to pool - calls BeforePoolDepositModified
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// shares given are the shares added in previous deposit, not the shares added to the pool now
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_1.GetAddress(), shareRecord.SharesOwned).Once()
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err = suite.Keeper.Deposit(suite.Ctx, depositor_1.GetAddress(), sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.NewCoin("usdx", sdk.NewInt(50e6)), sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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depositor_2 := suite.NewAccountFromAddr(
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sdk.AccAddress("depositor 2"),
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(100e6)),
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sdk.NewCoin("usdx", sdk.NewInt(100e6)),
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),
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)
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// first deposit deposit into pool creates the deposit and calls AfterPoolDepositCreated
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expectedShares = sdk.NewInt(2236067)
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swapHooks.On("AfterPoolDepositCreated", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_2.GetAddress(), expectedShares).Once()
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err = suite.Keeper.Deposit(suite.Ctx, depositor_2.GetAddress(), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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// second deposit into pool calls BeforePoolDepositModified with initial shares given
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_2.GetAddress(), expectedShares).Once()
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err = suite.Keeper.Deposit(suite.Ctx, depositor_2.GetAddress(), sdk.NewCoin("ukava", sdk.NewInt(2e6)), sdk.NewCoin("usdx", sdk.NewInt(10e6)), sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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// get the shares from the store from the last deposit
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shareRecord, found = suite.Keeper.GetDepositorShares(suite.Ctx, depositor_2.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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// third deposit into pool calls BeforePoolDepositModified with shares from last deposit
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_2.GetAddress(), shareRecord.SharesOwned).Once()
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err = suite.Keeper.Deposit(suite.Ctx, depositor_2.GetAddress(), sdk.NewCoin("ukava", sdk.NewInt(3e6)), sdk.NewCoin("usdx", sdk.NewInt(15e6)), sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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// test hooks with a full withdraw of all shares
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shareRecord, found = suite.Keeper.GetDepositorShares(suite.Ctx, depositor_1.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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// all shares given to BeforePoolDepositModified
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_1.GetAddress(), shareRecord.SharesOwned).Once()
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err = suite.Keeper.Withdraw(suite.Ctx, depositor_1.GetAddress(), shareRecord.SharesOwned, sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(1)))
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suite.Require().NoError(err)
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// test hooks on partial withdraw
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shareRecord, found = suite.Keeper.GetDepositorShares(suite.Ctx, depositor_2.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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partialShares := shareRecord.SharesOwned.Quo(sdk.NewInt(3))
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// all shares given to before deposit modified even with partial withdraw
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_2.GetAddress(), shareRecord.SharesOwned).Once()
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err = suite.Keeper.Withdraw(suite.Ctx, depositor_2.GetAddress(), partialShares, sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(1)))
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suite.Require().NoError(err)
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// test hooks on second partial withdraw
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shareRecord, found = suite.Keeper.GetDepositorShares(suite.Ctx, depositor_2.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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partialShares = shareRecord.SharesOwned.Quo(sdk.NewInt(2))
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// all shares given to before deposit modified even with partial withdraw
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_2.GetAddress(), shareRecord.SharesOwned).Once()
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err = suite.Keeper.Withdraw(suite.Ctx, depositor_2.GetAddress(), partialShares, sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(1)))
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suite.Require().NoError(err)
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// test hooks withdraw all shares with second depositor
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shareRecord, found = suite.Keeper.GetDepositorShares(suite.Ctx, depositor_2.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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// all shares given to before deposit modified even with partial withdraw
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, types.PoolIDFromCoins(deposit), depositor_2.GetAddress(), shareRecord.SharesOwned).Once()
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err = suite.Keeper.Withdraw(suite.Ctx, depositor_2.GetAddress(), shareRecord.SharesOwned, sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(1)))
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suite.Require().NoError(err)
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swapHooks.AssertExpectations(suite.T())
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}
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func (suite *keeperTestSuite) TestHooks_NoPanicsOnNilHooks() {
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suite.Keeper.ClearHooks()
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pool := types.NewAllowedPool("ukava", "usdx")
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suite.Require().NoError(pool.Validate())
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suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.NewAllowedPools(pool), types.DefaultSwapFee))
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balance := sdk.NewCoins(
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sdk.NewCoin(pool.TokenA, sdk.NewInt(1000e6)),
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sdk.NewCoin(pool.TokenB, sdk.NewInt(1000e6)),
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)
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depositor := suite.CreateAccount(balance)
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depositA := sdk.NewCoin(pool.TokenA, sdk.NewInt(10e6))
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depositB := sdk.NewCoin(pool.TokenB, sdk.NewInt(50e6))
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deposit := sdk.NewCoins(depositA, depositB)
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// deposit create pool should not panic when hooks are not set
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err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), depositA, depositB, sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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// existing deposit should not panic with hooks are not set
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err = suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(25e6)), sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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// withdraw of shares should not panic when hooks are not set
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shareRecord, found := suite.Keeper.GetDepositorShares(suite.Ctx, depositor.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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err = suite.Keeper.Withdraw(suite.Ctx, depositor.GetAddress(), shareRecord.SharesOwned, sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(1)))
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suite.Require().NoError(err)
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}
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func (suite *keeperTestSuite) TestHooks_HookOrdering() {
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suite.Keeper.ClearHooks()
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swapHooks := &mocks.SwapHooks{}
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suite.Keeper.SetHooks(swapHooks)
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pool := types.NewAllowedPool("ukava", "usdx")
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suite.Require().NoError(pool.Validate())
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suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.NewAllowedPools(pool), types.DefaultSwapFee))
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balance := sdk.NewCoins(
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sdk.NewCoin(pool.TokenA, sdk.NewInt(1000e6)),
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sdk.NewCoin(pool.TokenB, sdk.NewInt(1000e6)),
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)
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depositor := suite.CreateAccount(balance)
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depositA := sdk.NewCoin(pool.TokenA, sdk.NewInt(10e6))
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depositB := sdk.NewCoin(pool.TokenB, sdk.NewInt(50e6))
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deposit := sdk.NewCoins(depositA, depositB)
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poolID := types.PoolIDFromCoins(deposit)
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expectedShares := sdk.NewInt(22360679)
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swapHooks.On("AfterPoolDepositCreated", suite.Ctx, poolID, depositor.GetAddress(), expectedShares).Run(func(args mock.Arguments) {
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_, found := suite.Keeper.GetDepositorShares(suite.Ctx, depositor.GetAddress(), poolID)
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suite.Require().True(found, "expected after hook to be called after shares are updated")
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})
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err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), depositA, depositB, sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, poolID, depositor.GetAddress(), expectedShares).Run(func(args mock.Arguments) {
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shareRecord, found := suite.Keeper.GetDepositorShares(suite.Ctx, depositor.GetAddress(), poolID)
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suite.Require().True(found, "expected share record to exist")
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suite.Equal(expectedShares, shareRecord.SharesOwned, "expected hook to be called before shares are updated")
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})
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err = suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), depositA, depositB, sdk.MustNewDecFromStr("0.0015"))
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suite.Require().NoError(err)
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existingShareRecord, found := suite.Keeper.GetDepositorShares(suite.Ctx, depositor.GetAddress(), types.PoolIDFromCoins(deposit))
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suite.Require().True(found)
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swapHooks.On("BeforePoolDepositModified", suite.Ctx, poolID, depositor.GetAddress(), existingShareRecord.SharesOwned).Run(func(args mock.Arguments) {
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shareRecord, found := suite.Keeper.GetDepositorShares(suite.Ctx, depositor.GetAddress(), poolID)
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suite.Require().True(found, "expected share record to exist")
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suite.Equal(existingShareRecord.SharesOwned, shareRecord.SharesOwned, "expected hook to be called before shares are updated")
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})
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err = suite.Keeper.Withdraw(suite.Ctx, depositor.GetAddress(), existingShareRecord.SharesOwned.Quo(sdk.NewInt(2)), sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(1)))
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suite.Require().NoError(err)
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}
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