mirror of
https://github.com/0glabs/0g-chain.git
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592 lines
23 KiB
Go
592 lines
23 KiB
Go
package keeper_test
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import (
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"fmt"
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"testing"
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"time"
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"github.com/0glabs/0g-chain/x/swap/keeper"
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"github.com/0glabs/0g-chain/x/swap/testutil"
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"github.com/0glabs/0g-chain/x/swap/types"
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"github.com/stretchr/testify/suite"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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sdkmath "cosmossdk.io/math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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bank "github.com/cosmos/cosmos-sdk/x/bank/types"
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"github.com/tendermint/tendermint/crypto"
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)
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var swapModuleAccountAddress = sdk.AccAddress(crypto.AddressHash([]byte(types.ModuleAccountName)))
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type msgServerTestSuite struct {
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testutil.Suite
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msgServer types.MsgServer
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}
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func (suite *msgServerTestSuite) SetupTest() {
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suite.Suite.SetupTest()
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suite.msgServer = keeper.NewMsgServerImpl(suite.Keeper)
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}
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func (suite *msgServerTestSuite) TestDeposit_CreatePool() {
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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.AllowedPools{pool}, types.DefaultSwapFee))
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balance := sdk.NewCoins(
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sdk.NewCoin(pool.TokenA, sdkmath.NewInt(10e6)),
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sdk.NewCoin(pool.TokenB, sdkmath.NewInt(50e6)),
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)
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depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance)
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deposit := types.NewMsgDeposit(
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depositor.GetAddress().String(),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenA),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenB),
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sdk.MustNewDecFromStr("0.01"),
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time.Now().Add(10*time.Minute).Unix(),
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)
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res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
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suite.Require().Equal(&types.MsgDepositResponse{}, res)
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suite.Require().NoError(err)
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suite.AccountBalanceEqual(depositor.GetAddress(), sdk.Coins{})
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suite.ModuleAccountBalanceEqual(balance)
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suite.PoolLiquidityEqual(balance)
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suite.PoolShareValueEqual(depositor, pool, balance)
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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bank.EventTypeTransfer,
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sdk.NewAttribute(bank.AttributeKeyRecipient, swapModuleAccountAddress.String()),
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sdk.NewAttribute(bank.AttributeKeySender, depositor.GetAddress().String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, balance.String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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types.EventTypeSwapDeposit,
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sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID(pool.TokenA, pool.TokenB)),
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sdk.NewAttribute(types.AttributeKeyDepositor, depositor.GetAddress().String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, balance.String()),
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sdk.NewAttribute(types.AttributeKeyShares, "22360679"),
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))
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}
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func (suite *msgServerTestSuite) TestDeposit_DeadlineExceeded() {
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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.AllowedPools{pool}, types.DefaultSwapFee))
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balance := sdk.NewCoins(
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sdk.NewCoin(pool.TokenA, sdkmath.NewInt(10e6)),
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sdk.NewCoin(pool.TokenB, sdkmath.NewInt(50e6)),
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)
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depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance)
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deposit := types.NewMsgDeposit(
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depositor.GetAddress().String(),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenA),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), pool.TokenB),
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sdk.MustNewDecFromStr("0.01"),
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suite.Ctx.BlockTime().Add(-1*time.Second).Unix(),
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)
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res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
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suite.Require().Nil(res)
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suite.EqualError(err, fmt.Sprintf("block time %d >= deadline %d: deadline exceeded", suite.Ctx.BlockTime().Unix(), deposit.GetDeadline().Unix()))
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suite.Nil(res)
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}
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func (suite *msgServerTestSuite) TestDeposit_ExistingPool() {
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pool := types.NewAllowedPool("ukava", "usdx")
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(50e6)),
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)
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err := suite.CreatePool(reserves)
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suite.Require().NoError(err)
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balance := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(1e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(5e6)),
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)
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depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance)
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deposit := types.NewMsgDeposit(
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depositor.GetAddress().String(),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "usdx"),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "ukava"),
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sdk.MustNewDecFromStr("0.01"),
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time.Now().Add(10*time.Minute).Unix(),
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)
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res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
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suite.Require().Equal(&types.MsgDepositResponse{}, res)
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suite.Require().NoError(err)
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expectedDeposit := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(1e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(5e6)),
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)
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expectedShareValue := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(999999)),
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sdk.NewCoin("usdx", sdkmath.NewInt(4999998)),
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)
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// Use sdk.NewCoins to remove zero coins, otherwise it will compare sdk.Coins(nil) with sdk.Coins{}
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suite.AccountBalanceEqual(depositor.GetAddress(), sdk.NewCoins(balance.Sub(expectedDeposit...)...))
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suite.ModuleAccountBalanceEqual(reserves.Add(expectedDeposit...))
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suite.PoolLiquidityEqual(reserves.Add(expectedDeposit...))
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suite.PoolShareValueEqual(depositor, pool, expectedShareValue)
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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bank.EventTypeTransfer,
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sdk.NewAttribute(bank.AttributeKeyRecipient, swapModuleAccountAddress.String()),
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sdk.NewAttribute(bank.AttributeKeySender, depositor.GetAddress().String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, expectedDeposit.String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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types.EventTypeSwapDeposit,
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sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID(pool.TokenA, pool.TokenB)),
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sdk.NewAttribute(types.AttributeKeyDepositor, depositor.GetAddress().String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, expectedDeposit.String()),
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sdk.NewAttribute(types.AttributeKeyShares, "2236067"),
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))
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}
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func (suite *msgServerTestSuite) TestDeposit_ExistingPool_SlippageFailure() {
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(50e6)),
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)
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err := suite.CreatePool(reserves)
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suite.Require().NoError(err)
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balance := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(5e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(5e6)),
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)
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depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), balance)
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deposit := types.NewMsgDeposit(
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depositor.GetAddress().String(),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "usdx"),
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suite.BankKeeper.GetBalance(suite.Ctx, depositor.GetAddress(), "ukava"),
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sdk.MustNewDecFromStr("0.01"),
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time.Now().Add(10*time.Minute).Unix(),
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)
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res, err := suite.msgServer.Deposit(sdk.WrapSDKContext(suite.Ctx), deposit)
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suite.Require().Nil(res)
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suite.EqualError(err, "slippage 4.000000000000000000 > limit 0.010000000000000000: slippage exceeded")
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suite.Nil(res)
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}
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func (suite *msgServerTestSuite) TestWithdraw_AllShares() {
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(50e6)),
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)
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depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), reserves)
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pool := types.NewAllowedPool(reserves[0].Denom, reserves[1].Denom)
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suite.Require().NoError(pool.Validate())
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suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
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err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), reserves[0], reserves[1], sdk.MustNewDecFromStr("1"))
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suite.Require().NoError(err)
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withdraw := types.NewMsgWithdraw(
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depositor.GetAddress().String(),
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sdkmath.NewInt(22360679),
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reserves[0],
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reserves[1],
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time.Now().Add(10*time.Minute).Unix(),
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)
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suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
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res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
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suite.Require().Equal(&types.MsgWithdrawResponse{}, res)
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suite.Require().NoError(err)
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suite.AccountBalanceEqual(depositor.GetAddress(), reserves)
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suite.ModuleAccountBalanceEqual(sdk.Coins{})
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suite.PoolDeleted("ukava", "usdx")
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suite.PoolSharesDeleted(depositor.GetAddress(), "ukava", "usdx")
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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bank.EventTypeTransfer,
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sdk.NewAttribute(bank.AttributeKeyRecipient, depositor.GetAddress().String()),
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sdk.NewAttribute(bank.AttributeKeySender, swapModuleAccountAddress.String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, reserves.String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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types.EventTypeSwapWithdraw,
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sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID(pool.TokenA, pool.TokenB)),
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sdk.NewAttribute(types.AttributeKeyOwner, depositor.GetAddress().String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, reserves.String()),
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sdk.NewAttribute(types.AttributeKeyShares, "22360679"),
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))
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}
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func (suite *msgServerTestSuite) TestWithdraw_PartialShares() {
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(50e6)),
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)
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depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), reserves)
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pool := types.NewAllowedPool(reserves[0].Denom, reserves[1].Denom)
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suite.Require().NoError(pool.Validate())
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suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
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err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), reserves[0], reserves[1], sdk.MustNewDecFromStr("1"))
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suite.Require().NoError(err)
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minTokenA := sdk.NewCoin("ukava", sdkmath.NewInt(4999999))
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minTokenB := sdk.NewCoin("usdx", sdkmath.NewInt(24999998))
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withdraw := types.NewMsgWithdraw(
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depositor.GetAddress().String(),
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sdkmath.NewInt(11180339),
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minTokenA,
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minTokenB,
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time.Now().Add(10*time.Minute).Unix(),
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)
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suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
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res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
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suite.Require().Equal(&types.MsgWithdrawResponse{}, res)
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suite.Require().NoError(err)
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expectedCoinsReceived := sdk.NewCoins(minTokenA, minTokenB)
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suite.AccountBalanceEqual(depositor.GetAddress(), expectedCoinsReceived)
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suite.ModuleAccountBalanceEqual(reserves.Sub(expectedCoinsReceived...))
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suite.PoolLiquidityEqual(reserves.Sub(expectedCoinsReceived...))
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suite.PoolShareValueEqual(depositor, types.NewAllowedPool("ukava", "usdx"), reserves.Sub(expectedCoinsReceived...))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, depositor.GetAddress().String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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bank.EventTypeTransfer,
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sdk.NewAttribute(bank.AttributeKeyRecipient, depositor.GetAddress().String()),
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sdk.NewAttribute(bank.AttributeKeySender, swapModuleAccountAddress.String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, expectedCoinsReceived.String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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types.EventTypeSwapWithdraw,
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sdk.NewAttribute(types.AttributeKeyPoolID, types.PoolID(pool.TokenA, pool.TokenB)),
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sdk.NewAttribute(types.AttributeKeyOwner, depositor.GetAddress().String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, expectedCoinsReceived.String()),
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sdk.NewAttribute(types.AttributeKeyShares, "11180339"),
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))
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}
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func (suite *msgServerTestSuite) TestWithdraw_SlippageFailure() {
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(50e6)),
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)
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depositor := suite.NewAccountFromAddr(sdk.AccAddress("new depositor-------"), reserves)
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pool := types.NewAllowedPool(reserves[0].Denom, reserves[1].Denom)
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suite.Require().NoError(pool.Validate())
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suite.Keeper.SetParams(suite.Ctx, types.NewParams(types.AllowedPools{pool}, types.DefaultSwapFee))
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err := suite.Keeper.Deposit(suite.Ctx, depositor.GetAddress(), reserves[0], reserves[1], sdk.MustNewDecFromStr("1"))
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suite.Require().NoError(err)
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minTokenA := sdk.NewCoin("ukava", sdkmath.NewInt(5e6))
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minTokenB := sdk.NewCoin("usdx", sdkmath.NewInt(25e6))
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withdraw := types.NewMsgWithdraw(
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depositor.GetAddress().String(),
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sdkmath.NewInt(11180339),
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minTokenA,
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minTokenB,
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time.Now().Add(10*time.Minute).Unix(),
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)
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res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
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suite.Require().Nil(res)
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suite.EqualError(err, "minimum withdraw not met: slippage exceeded")
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suite.Nil(res)
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}
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func (suite *msgServerTestSuite) TestWithdraw_DeadlineExceeded() {
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balance := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(50e6)),
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)
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from := suite.NewAccountFromAddr(sdk.AccAddress("from----------------"), balance)
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withdraw := types.NewMsgWithdraw(
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from.GetAddress().String(),
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sdkmath.NewInt(2e6),
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sdk.NewCoin("ukava", sdkmath.NewInt(1e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(5e6)),
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suite.Ctx.BlockTime().Add(-1*time.Second).Unix(),
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)
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res, err := suite.msgServer.Withdraw(sdk.WrapSDKContext(suite.Ctx), withdraw)
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suite.Require().Nil(res)
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suite.EqualError(err, fmt.Sprintf("block time %d >= deadline %d: deadline exceeded", suite.Ctx.BlockTime().Unix(), withdraw.GetDeadline().Unix()))
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suite.Nil(res)
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}
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func (suite *msgServerTestSuite) TestSwapExactForTokens() {
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(1000e6)),
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sdk.NewCoin("usdx", sdkmath.NewInt(5000e6)),
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)
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err := suite.CreatePool(reserves)
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suite.Require().NoError(err)
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balance := sdk.NewCoins(
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sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
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)
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requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
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swapInput := sdk.NewCoin("ukava", sdkmath.NewInt(1e6))
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swapMsg := types.NewMsgSwapExactForTokens(
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requester.GetAddress().String(),
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swapInput,
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sdk.NewCoin("usdx", sdkmath.NewInt(5e6)),
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sdk.MustNewDecFromStr("0.01"),
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time.Now().Add(10*time.Minute).Unix(),
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)
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suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
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res, err := suite.msgServer.SwapExactForTokens(sdk.WrapSDKContext(suite.Ctx), swapMsg)
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suite.Require().Equal(&types.MsgSwapExactForTokensResponse{}, res)
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suite.Require().NoError(err)
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expectedSwapOutput := sdk.NewCoin("usdx", sdkmath.NewInt(4980034))
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suite.AccountBalanceEqual(requester.GetAddress(), balance.Sub(swapInput).Add(expectedSwapOutput))
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suite.ModuleAccountBalanceEqual(reserves.Add(swapInput).Sub(expectedSwapOutput))
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suite.PoolLiquidityEqual(reserves.Add(swapInput).Sub(expectedSwapOutput))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, requester.GetAddress().String()),
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))
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suite.EventsContains(suite.GetEvents(), sdk.NewEvent(
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bank.EventTypeTransfer,
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sdk.NewAttribute(bank.AttributeKeyRecipient, swapModuleAccountAddress.String()),
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sdk.NewAttribute(bank.AttributeKeySender, requester.GetAddress().String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, swapInput.String()),
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))
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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", sdkmath.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdkmath.NewInt(5000e6)),
|
|
)
|
|
err := suite.CreatePool(reserves)
|
|
suite.Require().NoError(err)
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdkmath.NewInt(100e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
|
|
|
|
swapInput := sdk.NewCoin("ukava", sdkmath.NewInt(1e6))
|
|
swapMsg := types.NewMsgSwapExactForTokens(
|
|
requester.GetAddress().String(),
|
|
swapInput,
|
|
sdk.NewCoin("usdx", sdkmath.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", sdkmath.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
|
|
|
|
swapMsg := types.NewMsgSwapExactForTokens(
|
|
requester.GetAddress().String(),
|
|
sdk.NewCoin("ukava", sdkmath.NewInt(5e6)),
|
|
sdk.NewCoin("usdx", sdkmath.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", sdkmath.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdkmath.NewInt(5000e6)),
|
|
)
|
|
err := suite.CreatePool(reserves)
|
|
suite.Require().NoError(err)
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
|
|
|
|
swapOutput := sdk.NewCoin("usdx", sdkmath.NewInt(5e6))
|
|
swapMsg := types.NewMsgSwapForExactTokens(
|
|
requester.GetAddress().String(),
|
|
sdk.NewCoin("ukava", sdkmath.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", sdkmath.NewInt(1004015))
|
|
|
|
suite.AccountBalanceEqual(requester.GetAddress(), balance.Sub(expectedSwapInput).Add(swapOutput))
|
|
suite.ModuleAccountBalanceEqual(reserves.Add(expectedSwapInput).Sub(swapOutput))
|
|
suite.PoolLiquidityEqual(reserves.Add(expectedSwapInput).Sub(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", sdkmath.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdkmath.NewInt(5000e6)),
|
|
)
|
|
err := suite.CreatePool(reserves)
|
|
suite.Require().NoError(err)
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdkmath.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
|
|
|
|
swapOutput := sdk.NewCoin("usdx", sdkmath.NewInt(5e6))
|
|
swapMsg := types.NewMsgSwapForExactTokens(
|
|
requester.GetAddress().String(),
|
|
sdk.NewCoin("ukava", sdkmath.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", sdkmath.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester-----------"), balance)
|
|
|
|
swapMsg := types.NewMsgSwapForExactTokens(
|
|
requester.GetAddress().String(),
|
|
sdk.NewCoin("ukava", sdkmath.NewInt(5e6)),
|
|
sdk.NewCoin("usdx", sdkmath.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))
|
|
}
|