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2abb2ce606
0g-chain/x/swap/keeper/msg_server_test.go
Ruaridh ffef832d45
Upgrade to sdk v0.44.5 and add IBC (#1106) 
- Upgrade cosmos-sdk to v0.44.5 from v0.39.2
- Add Legacy Tx Endpoint for backwards compatibility
- Add IBC v1.2.3 Support

Co-authored-by: DracoLi <draco@dracoli.com>
Co-authored-by: drklee3 <derrick@dlee.dev>
Co-authored-by: denalimarsh <denalimarsh@gmail.com>
Co-authored-by: Draco Li <draco@kava.io>
Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
Co-authored-by: Denali Marsh <denali@kava.io>
2022-01-07 17:39:27 -07:00

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package keeper_test
import (
"fmt"
"testing"
"time"
"github.com/kava-labs/kava/x/swap/keeper"
"github.com/kava-labs/kava/x/swap/testutil"
"github.com/kava-labs/kava/x/swap/types"
"github.com/stretchr/testify/suite"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
tmtime "github.com/tendermint/tendermint/types/time"
sdk "github.com/cosmos/cosmos-sdk/types"
bank "github.com/cosmos/cosmos-sdk/x/bank/types"
"github.com/tendermint/tendermint/crypto"
)
var swapModuleAccountAddress = sdk.AccAddress(crypto.AddressHash([]byte(types.ModuleAccountName)))
type msgServerTestSuite struct {
testutil.Suite
msgServer types.MsgServer
}
func (suite *msgServerTestSuite) SetupTest() {
suite.Suite.SetupTest()
suite.msgServer = keeper.NewMsgServerImpl(suite.Keeper)
}
func (suite *msgServerTestSuite) TestDeposit_CreatePool() {
pool := types.NewAllowedPool("ukava", "usdx")
suite.Require().NoError(pool.Validate())
suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
balance := sdk.NewCoins(
sdk.NewCoin(pool.TokenA, sdk.NewInt(10e6)),
sdk.NewCoin(pool.TokenB, sdk.NewInt(50e6)),
)
depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance)
deposit := types.NewMsgDeposit(
depositor.GetAddress().String(),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenA),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenB),
sdk.MustNewDecFromStr("0.01"),
time.Now().Add(10*time.Minute).Unix(),
)
res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
suite.Require().Equal(&types.MsgDepositResponse{}, res)
suite.Require().NoError(err)
suite.AccountBalanceEqual(depositor.GetAddress(), sdk.Coins{})
suite.ModuleAccountBalanceEqual(balance)
suite.PoolLiquidityEqual(balance)
suite.PoolShareValueEqual(depositor, pool, balance)
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, swapModuleAccountAddress.String()),
sdk.NewAttribute(bank.AttributeKeySender, depositor.GetAddress().String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, balance.String()),
))
suite.EventsContains(suite.GetEvents(), 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, balance.String()),
sdk.NewAttribute(types.AttributeKeyShares, "22360679"),
))
}
func (suite *msgServerTestSuite) TestDeposit_DeadlineExceeded() {
pool := types.NewAllowedPool("ukava", "usdx")
suite.Require().NoError(pool.Validate())
suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
balance := sdk.NewCoins(
sdk.NewCoin(pool.TokenA, sdk.NewInt(10e6)),
sdk.NewCoin(pool.TokenB, sdk.NewInt(50e6)),
)
depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance)
deposit := types.NewMsgDeposit(
depositor.GetAddress().String(),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenA),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenB),
sdk.MustNewDecFromStr("0.01"),
suite.Ctx.BlockTime().Add(-1*time.Second).Unix(),
)
res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
suite.Require().Nil(res)
suite.EqualError(err, fmt.Sprintf("block time %d >= deadline %d: deadline exceeded", suite.Ctx.BlockTime().Unix(), deposit.GetDeadline().Unix()))
suite.Nil(res)
}
func (suite *msgServerTestSuite) TestDeposit_ExistingPool() {
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(1e6)),
sdk.NewCoin("usdx", sdk.NewInt(5e6)),
)
depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance)
deposit := types.NewMsgDeposit(
depositor.GetAddress().String(),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "usdx"),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "ukava"),
sdk.MustNewDecFromStr("0.01"),
time.Now().Add(10*time.Minute).Unix(),
)
res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
suite.Require().Equal(&types.MsgDepositResponse{}, res)
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)),
)
// Use sdk.NewCoins to remove zero coins, otherwise it will compare sdk.Coins(nil) with sdk.Coins{}
suite.AccountBalanceEqual(depositor.GetAddress(), sdk.NewCoins(balance.Sub(expectedDeposit)...))
suite.ModuleAccountBalanceEqual(reserves.Add(expectedDeposit...))
suite.PoolLiquidityEqual(reserves.Add(expectedDeposit...))
suite.PoolShareValueEqual(depositor, pool, expectedShareValue)
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, swapModuleAccountAddress.String()),
sdk.NewAttribute(bank.AttributeKeySender, depositor.GetAddress().String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, expectedDeposit.String()),
))
suite.EventsContains(suite.GetEvents(), 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 *msgServerTestSuite) TestDeposit_ExistingPool_SlippageFailure() {
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)
deposit := types.NewMsgDeposit(
depositor.GetAddress().String(),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "usdx"),
suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "ukava"),
sdk.MustNewDecFromStr("0.01"),
time.Now().Add(10*time.Minute).Unix(),
)
res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
suite.Require().Nil(res)
suite.EqualError(err, "slippage 4.000000000000000000 > limit 0.010000000000000000: slippage exceeded")
suite.Nil(res)
}
func (suite *msgServerTestSuite) TestWithdraw_AllShares() {
reserves := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
sdk.NewCoin("usdx", sdk.NewInt(50e6)),
)
depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), reserves)
pool := types.NewAllowedPool(reserves[0].Denom, reserves[1].Denom)
suite.Require().NoError(pool.Validate())
suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), reserves[0], reserves[1], sdk.MustNewDecFromStr("1"))
suite.Require().NoError(err)
withdraw := types.NewMsgWithdraw(
depositor.GetAddress().String(),
sdk.NewInt(22360679),
reserves[0],
reserves[1],
time.Now().Add(10*time.Minute).Unix(),
)
suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
suite.Require().Equal(&types.MsgWithdrawResponse{}, res)
suite.Require().NoError(err)
suite.AccountBalanceEqual(depositor.GetAddress(), reserves)
suite.ModuleAccountBalanceEqual(sdk.Coins{})
suite.PoolDeleted("ukava", "usdx")
suite.PoolSharesDeleted(depositor.GetAddress(), "ukava", "usdx")
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, depositor.GetAddress().String()),
sdk.NewAttribute(bank.AttributeKeySender, swapModuleAccountAddress.String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, reserves.String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
types.EventTypeSwapWithdraw,
sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID(pool.TokenA, pool.TokenB)),
sdk.NewAttribute(types.AttributeKeyOwner, depositor.GetAddress().String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, reserves.String()),
sdk.NewAttribute(types.AttributeKeyShares, "22360679"),
))
}
func (suite *msgServerTestSuite) TestWithdraw_PartialShares() {
reserves := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
sdk.NewCoin("usdx", sdk.NewInt(50e6)),
)
depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), reserves)
pool := types.NewAllowedPool(reserves[0].Denom, reserves[1].Denom)
suite.Require().NoError(pool.Validate())
suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), reserves[0], reserves[1], sdk.MustNewDecFromStr("1"))
suite.Require().NoError(err)
minTokenA := sdk.NewCoin("ukava", sdk.NewInt(4999999))
minTokenB := sdk.NewCoin("usdx", sdk.NewInt(24999998))
withdraw := types.NewMsgWithdraw(
depositor.GetAddress().String(),
sdk.NewInt(11180339),
minTokenA,
minTokenB,
time.Now().Add(10*time.Minute).Unix(),
)
suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
suite.Require().Equal(&types.MsgWithdrawResponse{}, res)
suite.Require().NoError(err)
expectedCoinsReceived := sdk.NewCoins(minTokenA, minTokenB)
suite.AccountBalanceEqual(depositor.GetAddress(), expectedCoinsReceived)
suite.ModuleAccountBalanceEqual(reserves.Sub(expectedCoinsReceived))
suite.PoolLiquidityEqual(reserves.Sub(expectedCoinsReceived))
suite.PoolShareValueEqual(depositor, types.NewAllowedPool("ukava", "usdx"), reserves.Sub(expectedCoinsReceived))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, depositor.GetAddress().String()),
sdk.NewAttribute(bank.AttributeKeySender, swapModuleAccountAddress.String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, expectedCoinsReceived.String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
types.EventTypeSwapWithdraw,
sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID(pool.TokenA, pool.TokenB)),
sdk.NewAttribute(types.AttributeKeyOwner, depositor.GetAddress().String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, expectedCoinsReceived.String()),
sdk.NewAttribute(types.AttributeKeyShares, "11180339"),
))
}
func (suite *msgServerTestSuite) TestWithdraw_SlippageFailure() {
reserves := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
sdk.NewCoin("usdx", sdk.NewInt(50e6)),
)
depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), reserves)
pool := types.NewAllowedPool(reserves[0].Denom, reserves[1].Denom)
suite.Require().NoError(pool.Validate())
suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), reserves[0], reserves[1], sdk.MustNewDecFromStr("1"))
suite.Require().NoError(err)
minTokenA := sdk.NewCoin("ukava", sdk.NewInt(5e6))
minTokenB := sdk.NewCoin("usdx", sdk.NewInt(25e6))
withdraw := types.NewMsgWithdraw(
depositor.GetAddress().String(),
sdk.NewInt(11180339),
minTokenA,
minTokenB,
time.Now().Add(10*time.Minute).Unix(),
)
res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
suite.Require().Nil(res)
suite.EqualError(err, "minimum withdraw not met: slippage exceeded")
suite.Nil(res)
}
func (suite *msgServerTestSuite) TestWithdraw_DeadlineExceeded() {
balance := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
sdk.NewCoin("usdx", sdk.NewInt(50e6)),
)
from := suite.NewAccountFromAddr(sdk.AccAddress("from----------------"), balance)
withdraw := types.NewMsgWithdraw(
from.GetAddress().String(),
sdk.NewInt(2e6),
sdk.NewCoin("ukava", sdk.NewInt(1e6)),
sdk.NewCoin("usdx", sdk.NewInt(5e6)),
suite.Ctx.BlockTime().Add(-1*time.Second).Unix(),
)
res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
suite.Require().Nil(res)
suite.EqualError(err, fmt.Sprintf("block time %d >= deadline %d: deadline exceeded", suite.Ctx.BlockTime().Unix(), withdraw.GetDeadline().Unix()))
suite.Nil(res)
}
func (suite *msgServerTestSuite) TestSwapExactForTokens() {
reserves := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
)
err := suite.CreatePool(reserves)
suite.Require().NoError(err)
balance := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
)
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
swapInput := sdk.NewCoin("ukava", sdk.NewInt(1e6))
swapMsg := types.NewMsgSwapExactForTokens(
requester.GetAddress().String(),
swapInput,
sdk.NewCoin("usdx", sdk.NewInt(5e6)),
sdk.MustNewDecFromStr("0.01"),
time.Now().Add(10*time.Minute).Unix(),
)
suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
res, err := suite.msgServer.SwapExactForTokens(sdk.WrapSDKContext(suite.Ctx), swapMsg)
suite.Require().Equal(&types.MsgSwapExactForTokensResponse{}, res)
suite.Require().NoError(err)
expectedSwapOutput := sdk.NewCoin("usdx", sdk.NewInt(4980034))
suite.AccountBalanceEqual(requester.GetAddress(), balance.Sub(sdk.NewCoins(swapInput)).Add(expectedSwapOutput))
suite.ModuleAccountBalanceEqual(reserves.Add(swapInput).Sub(sdk.NewCoins(expectedSwapOutput)))
suite.PoolLiquidityEqual(reserves.Add(swapInput).Sub(sdk.NewCoins(expectedSwapOutput)))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, requester.GetAddress().String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, swapModuleAccountAddress.String()),
sdk.NewAttribute(bank.AttributeKeySender, requester.GetAddress().String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, swapInput.String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, requester.GetAddress().String()),
sdk.NewAttribute(bank.AttributeKeySender, swapModuleAccountAddress.String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, expectedSwapOutput.String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
types.EventTypeSwapTrade,
sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID("ukava", "usdx")),
sdk.NewAttribute(types.AttributeKeyRequester, requester.GetAddress().String()),
sdk.NewAttribute(types.AttributeKeySwapInput, swapInput.String()),
sdk.NewAttribute(types.AttributeKeySwapOutput, expectedSwapOutput.String()),
sdk.NewAttribute(types.AttributeKeyFeePaid, "3000ukava"),
sdk.NewAttribute(types.AttributeKeyExactDirection, "input"),
))
}
func (suite *msgServerTestSuite) TestSwapExactForTokens_SlippageFailure() {
reserves := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
)
err := suite.CreatePool(reserves)
suite.Require().NoError(err)
balance := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(100e6)),
)
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
swapInput := sdk.NewCoin("ukava", sdk.NewInt(1e6))
swapMsg := types.NewMsgSwapExactForTokens(
requester.GetAddress().String(),
swapInput,
sdk.NewCoin("usdx", sdk.NewInt(5030338)),
sdk.MustNewDecFromStr("0.01"),
time.Now().Add(10*time.Minute).Unix(),
)
suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
res, err := suite.msgServer.SwapExactForTokens(sdk.WrapSDKContext(suite.Ctx), swapMsg)
suite.Require().Nil(res)
suite.EqualError(err, "slippage 0.010000123252155223 > limit 0.010000000000000000: slippage exceeded")
suite.Nil(res)
}
func (suite *msgServerTestSuite) TestSwapExactForTokens_DeadlineExceeded() {
balance := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
)
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
swapMsg := types.NewMsgSwapExactForTokens(
requester.GetAddress().String(),
sdk.NewCoin("ukava", sdk.NewInt(5e6)),
sdk.NewCoin("usdx", sdk.NewInt(25e5)),
sdk.MustNewDecFromStr("0.01"),
suite.Ctx.BlockTime().Add(-1*time.Second).Unix(),
)
res, err := suite.msgServer.SwapExactForTokens(sdk.WrapSDKContext(suite.Ctx), swapMsg)
suite.Require().Nil(res)
suite.EqualError(err, fmt.Sprintf("block time %d >= deadline %d: deadline exceeded", suite.Ctx.BlockTime().Unix(), swapMsg.GetDeadline().Unix()))
suite.Nil(res)
}
func (suite *msgServerTestSuite) TestSwapForExactTokens() {
reserves := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
)
err := suite.CreatePool(reserves)
suite.Require().NoError(err)
balance := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
)
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
swapOutput := sdk.NewCoin("usdx", sdk.NewInt(5e6))
swapMsg := types.NewMsgSwapForExactTokens(
requester.GetAddress().String(),
sdk.NewCoin("ukava", sdk.NewInt(1e6)),
swapOutput,
sdk.MustNewDecFromStr("0.01"),
time.Now().Add(10*time.Minute).Unix(),
)
suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
res, err := suite.msgServer.SwapForExactTokens(sdk.WrapSDKContext(suite.Ctx), swapMsg)
suite.Require().Equal(&types.MsgSwapForExactTokensResponse{}, res)
suite.Require().NoError(err)
expectedSwapInput := sdk.NewCoin("ukava", sdk.NewInt(1004015))
suite.AccountBalanceEqual(requester.GetAddress(), balance.Sub(sdk.NewCoins(expectedSwapInput)).Add(swapOutput))
suite.ModuleAccountBalanceEqual(reserves.Add(expectedSwapInput).Sub(sdk.NewCoins(swapOutput)))
suite.PoolLiquidityEqual(reserves.Add(expectedSwapInput).Sub(sdk.NewCoins(swapOutput)))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, requester.GetAddress().String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, swapModuleAccountAddress.String()),
sdk.NewAttribute(bank.AttributeKeySender, requester.GetAddress().String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, expectedSwapInput.String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
bank.EventTypeTransfer,
sdk.NewAttribute(bank.AttributeKeyRecipient, requester.GetAddress().String()),
sdk.NewAttribute(bank.AttributeKeySender, swapModuleAccountAddress.String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, swapOutput.String()),
))
suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
types.EventTypeSwapTrade,
sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID("ukava", "usdx")),
sdk.NewAttribute(types.AttributeKeyRequester, requester.GetAddress().String()),
sdk.NewAttribute(types.AttributeKeySwapInput, expectedSwapInput.String()),
sdk.NewAttribute(types.AttributeKeySwapOutput, swapOutput.String()),
sdk.NewAttribute(types.AttributeKeyFeePaid, "3013ukava"),
sdk.NewAttribute(types.AttributeKeyExactDirection, "output"),
))
}
func (suite *msgServerTestSuite) TestSwapForExactTokens_SlippageFailure() {
reserves := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
)
err := suite.CreatePool(reserves)
suite.Require().NoError(err)
balance := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
)
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
swapOutput := sdk.NewCoin("usdx", sdk.NewInt(5e6))
swapMsg := types.NewMsgSwapForExactTokens(
requester.GetAddress().String(),
sdk.NewCoin("ukava", sdk.NewInt(990991)),
swapOutput,
sdk.MustNewDecFromStr("0.01"),
time.Now().Add(10*time.Minute).Unix(),
)
suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
res, err := suite.msgServer.SwapForExactTokens(sdk.WrapSDKContext(suite.Ctx), swapMsg)
suite.Require().Nil(res)
suite.EqualError(err, "slippage 0.010000979019022939 > limit 0.010000000000000000: slippage exceeded")
suite.Nil(res)
}
func (suite *msgServerTestSuite) TestSwapForExactTokens_DeadlineExceeded() {
balance := sdk.NewCoins(
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
)
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
swapMsg := types.NewMsgSwapForExactTokens(
requester.GetAddress().String(),
sdk.NewCoin("ukava", sdk.NewInt(5e6)),
sdk.NewCoin("usdx", sdk.NewInt(25e5)),
sdk.MustNewDecFromStr("0.01"),
suite.Ctx.BlockTime().Add(-1*time.Second).Unix(),
)
res, err := suite.msgServer.SwapForExactTokens(sdk.WrapSDKContext(suite.Ctx), swapMsg)
suite.Require().Nil(res)
suite.EqualError(err, fmt.Sprintf("block time %d >= deadline %d: deadline exceeded", suite.Ctx.BlockTime().Unix(), swapMsg.GetDeadline().Unix()))
suite.Nil(res)
}
func TestMsgServerTestSuite(t *testing.T) {
suite.Run(t, new(msgServerTestSuite))
}
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