mirror of
https://github.com/0glabs/0g-chain.git
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911f9f59d6
* add regression test for hooks; refactor deposit to commit pool and shares in one place with commit after validation checks; panic on pool and share set methods if the record is invalid * use correct hook ordering; add regression test for order - fails if hooks are not called before or after share record set
631 lines
33 KiB
Go
631 lines
33 KiB
Go
package keeper_test
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import (
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"errors"
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/kava-labs/kava/x/swap/types"
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abci "github.com/tendermint/tendermint/abci/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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)
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func (suite *keeperTestSuite) TestSwapExactForTokens() {
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suite.Keeper.SetParams(suite.Ctx, types.Params{
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SwapFee: sdk.MustNewDecFromStr("0.0025"),
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})
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
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)
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totalShares := sdk.NewInt(30e6)
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poolID := suite.setupPool(reserves, totalShares, owner.GetAddress())
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balance := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(10e6)),
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)
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requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
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coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
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coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
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err := suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
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suite.Require().NoError(err)
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expectedOutput := sdk.NewCoin("usdx", sdk.NewInt(4982529))
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suite.AccountBalanceEqual(requester, balance.Sub(sdk.NewCoins(coinA)).Add(expectedOutput))
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suite.ModuleAccountBalanceEqual(reserves.Add(coinA).Sub(sdk.NewCoins(expectedOutput)))
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suite.PoolLiquidityEqual(reserves.Add(coinA).Sub(sdk.NewCoins(expectedOutput)))
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suite.EventsContains(suite.Ctx.EventManager().Events(), sdk.NewEvent(
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types.EventTypeSwapTrade,
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sdk.NewAttribute(types.AttributeKeyPoolID, poolID),
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sdk.NewAttribute(types.AttributeKeyRequester, requester.GetAddress().String()),
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sdk.NewAttribute(types.AttributeKeySwapInput, coinA.String()),
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sdk.NewAttribute(types.AttributeKeySwapOutput, expectedOutput.String()),
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sdk.NewAttribute(types.AttributeKeyFeePaid, "2500ukava"),
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sdk.NewAttribute(types.AttributeKeyExactDirection, "input"),
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))
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}
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func (suite *keeperTestSuite) TestSwapExactForTokens_OutputGreaterThanZero() {
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(10e6)),
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sdk.NewCoin("usdx", sdk.NewInt(50e6)),
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)
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totalShares := sdk.NewInt(30e6)
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suite.setupPool(reserves, totalShares, owner.GetAddress())
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balance := sdk.NewCoins(
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sdk.NewCoin("usdx", sdk.NewInt(10e6)),
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)
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requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
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coinA := sdk.NewCoin("usdx", sdk.NewInt(5))
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coinB := sdk.NewCoin("ukava", sdk.NewInt(1))
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err := suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("1"))
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suite.EqualError(err, "insufficient liquidity: swap output rounds to zero, increase input amount")
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}
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func (suite *keeperTestSuite) TestSwapExactForTokens_Slippage() {
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(100e6)),
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sdk.NewCoin("usdx", sdk.NewInt(500e6)),
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)
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totalShares := sdk.NewInt(30e6)
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suite.setupPool(reserves, totalShares, owner.GetAddress())
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testCases := []struct {
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coinA sdk.Coin
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coinB sdk.Coin
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slippage sdk.Dec
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fee sdk.Dec
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shouldFail bool
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}{
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// positive slippage OK
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(2e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(50e6)), sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(50e6)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
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// positive slippage with zero slippage OK
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(2e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(50e6)), sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(50e6)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
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// exact zero slippage OK
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4950495)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), false},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4935790)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), false},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4705299)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(990099)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(987158)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(941059)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), false},
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// slippage failure, zero slippage tolerance
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4950496)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), true},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4935793)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), true},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4705300)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), true},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(990100)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), true},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(987159)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), true},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(941060)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), true},
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// slippage failure, 1 percent slippage
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(5000501)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), true},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4985647)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), true},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4752828)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), true},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(1000101)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), true},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(997130)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), true},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(950565)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), true},
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// slippage OK, 1 percent slippage
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(5000500)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), false},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4985646)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), false},
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{sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.NewCoin("usdx", sdk.NewInt(4752827)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(1000100)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(997129)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), false},
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{sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.NewCoin("ukava", sdk.NewInt(950564)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), false},
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}
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for _, tc := range testCases {
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suite.Run(fmt.Sprintf("coinA=%s coinB=%s slippage=%s fee=%s", tc.coinA, tc.coinB, tc.slippage, tc.fee), func() {
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suite.SetupTest()
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suite.Keeper.SetParams(suite.Ctx, types.Params{
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SwapFee: tc.fee,
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})
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(100e6)),
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sdk.NewCoin("usdx", sdk.NewInt(500e6)),
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)
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totalShares := sdk.NewInt(30e6)
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suite.setupPool(reserves, totalShares, owner.GetAddress())
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balance := 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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requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
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ctx := suite.App.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
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err := suite.Keeper.SwapExactForTokens(ctx, requester.GetAddress(), tc.coinA, tc.coinB, tc.slippage)
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if tc.shouldFail {
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suite.Require().Error(err)
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suite.Contains(err.Error(), "slippage exceeded")
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} else {
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suite.NoError(err)
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}
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})
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}
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}
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func (suite *keeperTestSuite) TestSwapExactForTokens_InsufficientFunds() {
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testCases := []struct {
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name string
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balanceA sdk.Coin
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coinA sdk.Coin
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coinB sdk.Coin
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}{
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{"no ukava balance", sdk.NewCoin("ukava", sdk.ZeroInt()), sdk.NewCoin("ukava", sdk.NewInt(100)), sdk.NewCoin("usdx", sdk.NewInt(500))},
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{"no usdx balance", sdk.NewCoin("usdx", sdk.ZeroInt()), sdk.NewCoin("usdx", sdk.NewInt(500)), sdk.NewCoin("ukava", sdk.NewInt(100))},
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{"low ukava balance", sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("ukava", sdk.NewInt(1000001)), sdk.NewCoin("usdx", sdk.NewInt(5000000))},
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{"low ukava balance", sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("usdx", sdk.NewInt(5000001)), sdk.NewCoin("ukava", sdk.NewInt(1000000))},
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{"large ukava balance difference", sdk.NewCoin("ukava", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6))},
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{"large usdx balance difference", sdk.NewCoin("usdx", sdk.NewInt(500e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6))},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.SetupTest()
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(100000e6)),
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sdk.NewCoin("usdx", sdk.NewInt(500000e6)),
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)
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totalShares := sdk.NewInt(30000e6)
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suite.setupPool(reserves, totalShares, owner.GetAddress())
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balance := sdk.NewCoins(tc.balanceA)
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requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
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ctx := suite.App.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
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err := suite.Keeper.SwapExactForTokens(ctx, requester.GetAddress(), tc.coinA, tc.coinB, sdk.MustNewDecFromStr("0.1"))
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suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds), fmt.Sprintf("got err %s", err))
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})
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}
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}
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func (suite *keeperTestSuite) TestSwapExactForTokens_InsufficientFunds_Vesting() {
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testCases := []struct {
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name string
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balanceA sdk.Coin
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vestingA sdk.Coin
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coinA sdk.Coin
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coinB sdk.Coin
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}{
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{"no ukava balance, vesting only", sdk.NewCoin("ukava", sdk.ZeroInt()), sdk.NewCoin("ukava", sdk.NewInt(100)), sdk.NewCoin("ukava", sdk.NewInt(100)), sdk.NewCoin("usdx", sdk.NewInt(500))},
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{"no usdx balance, vesting only", sdk.NewCoin("usdx", sdk.ZeroInt()), sdk.NewCoin("usdx", sdk.NewInt(500)), sdk.NewCoin("usdx", sdk.NewInt(500)), sdk.NewCoin("ukava", sdk.NewInt(100))},
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{"low ukava balance, vesting matches exact", sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("ukava", sdk.NewInt(1)), sdk.NewCoin("ukava", sdk.NewInt(1000001)), sdk.NewCoin("usdx", sdk.NewInt(5000000))},
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{"low ukava balance, vesting matches exact", sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("usdx", sdk.NewInt(1)), sdk.NewCoin("usdx", sdk.NewInt(5000001)), sdk.NewCoin("ukava", sdk.NewInt(1000000))},
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{"large ukava balance difference, vesting covers difference", sdk.NewCoin("ukava", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6))},
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{"large usdx balance difference, vesting covers difference", sdk.NewCoin("usdx", sdk.NewInt(500e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6))},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.SetupTest()
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(100000e6)),
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sdk.NewCoin("usdx", sdk.NewInt(500000e6)),
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)
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totalShares := sdk.NewInt(30000e6)
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suite.setupPool(reserves, totalShares, owner.GetAddress())
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balance := sdk.NewCoins(tc.balanceA)
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vesting := sdk.NewCoins(tc.vestingA)
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requester := suite.CreateVestingAccount(balance, vesting)
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ctx := suite.App.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
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err := suite.Keeper.SwapExactForTokens(ctx, requester.GetAddress(), tc.coinA, tc.coinB, sdk.MustNewDecFromStr("0.1"))
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suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds), fmt.Sprintf("got err %s", err))
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})
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}
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}
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func (suite *keeperTestSuite) TestSwapExactForTokens_PoolNotFound() {
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
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)
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totalShares := sdk.NewInt(3000e6)
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poolID := suite.setupPool(reserves, totalShares, owner.GetAddress())
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suite.Keeper.DeletePool(suite.Ctx, poolID)
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balance := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(10e6)),
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sdk.NewCoin("usdx", sdk.NewInt(10e6)),
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)
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requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
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coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
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coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
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err := suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
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suite.EqualError(err, "invalid pool: pool ukava/usdx not found")
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err = suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinB, coinA, sdk.MustNewDecFromStr("0.01"))
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suite.EqualError(err, "invalid pool: pool ukava/usdx not found")
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}
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func (suite *keeperTestSuite) TestSwapExactForTokens_PanicOnInvalidPool() {
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owner := suite.CreateAccount(sdk.Coins{})
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reserves := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
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)
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totalShares := sdk.NewInt(3000e6)
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poolID := suite.setupPool(reserves, totalShares, owner.GetAddress())
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poolRecord, found := suite.Keeper.GetPool(suite.Ctx, poolID)
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suite.Require().True(found, "expected pool record to exist")
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poolRecord.TotalShares = sdk.ZeroInt()
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suite.Keeper.SetPool_Raw(suite.Ctx, poolRecord)
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balance := sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(10e6)),
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sdk.NewCoin("usdx", sdk.NewInt(10e6)),
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)
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requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
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coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
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coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
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suite.PanicsWithValue("invalid pool ukava/usdx: invalid pool: total shares must be greater than zero", func() {
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_ = suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected invalid pool record to panic")
|
|
|
|
suite.PanicsWithValue("invalid pool ukava/usdx: invalid pool: total shares must be greater than zero", func() {
|
|
_ = suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinB, coinA, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected invalid pool record to panic")
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapExactForTokens_PanicOnInsufficientModuleAccFunds() {
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
|
|
)
|
|
totalShares := sdk.NewInt(3000e6)
|
|
suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
|
|
suite.RemoveCoinsFromModule(sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
|
|
))
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
|
|
coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
|
|
|
|
suite.Panics(func() {
|
|
_ = suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected panic when module account does not have enough funds")
|
|
|
|
suite.Panics(func() {
|
|
_ = suite.Keeper.SwapExactForTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected panic when module account does not have enough funds")
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens() {
|
|
suite.Keeper.SetParams(suite.Ctx, types.Params{
|
|
SwapFee: sdk.MustNewDecFromStr("0.0025"),
|
|
})
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
|
|
)
|
|
totalShares := sdk.NewInt(30e6)
|
|
poolID := suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
|
|
coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
|
|
|
|
err := suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
suite.Require().NoError(err)
|
|
|
|
expectedInput := sdk.NewCoin("ukava", sdk.NewInt(1003511))
|
|
|
|
suite.AccountBalanceEqual(requester, balance.Sub(sdk.NewCoins(expectedInput)).Add(coinB))
|
|
suite.ModuleAccountBalanceEqual(reserves.Add(expectedInput).Sub(sdk.NewCoins(coinB)))
|
|
suite.PoolLiquidityEqual(reserves.Add(expectedInput).Sub(sdk.NewCoins(coinB)))
|
|
|
|
suite.EventsContains(suite.Ctx.EventManager().Events(), sdk.NewEvent(
|
|
types.EventTypeSwapTrade,
|
|
sdk.NewAttribute(types.AttributeKeyPoolID, poolID),
|
|
sdk.NewAttribute(types.AttributeKeyRequester, requester.GetAddress().String()),
|
|
sdk.NewAttribute(types.AttributeKeySwapInput, expectedInput.String()),
|
|
sdk.NewAttribute(types.AttributeKeySwapOutput, coinB.String()),
|
|
sdk.NewAttribute(types.AttributeKeyFeePaid, "2509ukava"),
|
|
sdk.NewAttribute(types.AttributeKeyExactDirection, "output"),
|
|
))
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens_OutputLessThanPoolReserves() {
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(100e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(500e6)),
|
|
)
|
|
totalShares := sdk.NewInt(300e6)
|
|
suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
|
|
|
|
coinB := sdk.NewCoin("usdx", sdk.NewInt(500e6).Add(sdk.OneInt()))
|
|
err := suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
suite.EqualError(err, "insufficient liquidity: output 500000001 >= pool reserves 500000000")
|
|
|
|
coinB = sdk.NewCoin("usdx", sdk.NewInt(500e6))
|
|
err = suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
suite.EqualError(err, "insufficient liquidity: output 500000000 >= pool reserves 500000000")
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens_Slippage() {
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(100e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(500e6)),
|
|
)
|
|
totalShares := sdk.NewInt(30e6)
|
|
suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
|
|
testCases := []struct {
|
|
coinA sdk.Coin
|
|
coinB sdk.Coin
|
|
slippage sdk.Dec
|
|
fee sdk.Dec
|
|
shouldFail bool
|
|
}{
|
|
// positive slippage OK
|
|
{sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.0025"), false},
|
|
// positive slippage with zero slippage OK
|
|
{sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(5e6)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(10e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.0025"), false},
|
|
// exact zero slippage OK
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1010102)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), false},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1010102)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), false},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1010102)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5050506)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5050506)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5050506)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), false},
|
|
// slippage failure, zero slippage tolerance
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1010101)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), true},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1010101)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), true},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1010101)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), true},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5050505)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0"), true},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5050505)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.003"), true},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5050505)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.ZeroDec(), sdk.MustNewDecFromStr("0.05"), true},
|
|
// slippage failure, 1 percent slippage
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), true},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), true},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), true},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), true},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), true},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), true},
|
|
// slippage OK, 1 percent slippage
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1000001)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), false},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1000001)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), false},
|
|
{sdk.NewCoin("ukava", sdk.NewInt(1000001)), sdk.NewCoin("usdx", sdk.NewInt(5e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5000001)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5000001)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.003"), false},
|
|
{sdk.NewCoin("usdx", sdk.NewInt(5000001)), sdk.NewCoin("ukava", sdk.NewInt(1e6)), sdk.MustNewDecFromStr("0.01"), sdk.MustNewDecFromStr("0.05"), false},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
suite.Run(fmt.Sprintf("coinA=%s coinB=%s slippage=%s fee=%s", tc.coinA, tc.coinB, tc.slippage, tc.fee), func() {
|
|
suite.SetupTest()
|
|
suite.Keeper.SetParams(suite.Ctx, types.Params{
|
|
SwapFee: tc.fee,
|
|
})
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(100e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(500e6)),
|
|
)
|
|
totalShares := sdk.NewInt(30e6)
|
|
suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(100e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(100e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
|
|
ctx := suite.App.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
|
|
err := suite.Keeper.SwapForExactTokens(ctx, requester.GetAddress(), tc.coinA, tc.coinB, tc.slippage)
|
|
|
|
if tc.shouldFail {
|
|
suite.Require().Error(err)
|
|
suite.Contains(err.Error(), "slippage exceeded")
|
|
} else {
|
|
suite.NoError(err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens_InsufficientFunds() {
|
|
testCases := []struct {
|
|
name string
|
|
balanceA sdk.Coin
|
|
coinA sdk.Coin
|
|
coinB sdk.Coin
|
|
}{
|
|
{"no ukava balance", sdk.NewCoin("ukava", sdk.ZeroInt()), sdk.NewCoin("ukava", sdk.NewInt(100)), sdk.NewCoin("usdx", sdk.NewInt(500))},
|
|
{"no usdx balance", sdk.NewCoin("usdx", sdk.ZeroInt()), sdk.NewCoin("usdx", sdk.NewInt(500)), sdk.NewCoin("ukava", sdk.NewInt(100))},
|
|
{"low ukava balance", sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("usdx", sdk.NewInt(5000000))},
|
|
{"low ukava balance", sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("ukava", sdk.NewInt(1000000))},
|
|
{"large ukava balance difference", sdk.NewCoin("ukava", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6))},
|
|
{"large usdx balance difference", sdk.NewCoin("usdx", sdk.NewInt(500e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6))},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
suite.Run(tc.name, func() {
|
|
suite.SetupTest()
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(100000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(500000e6)),
|
|
)
|
|
totalShares := sdk.NewInt(30000e6)
|
|
suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
balance := sdk.NewCoins(tc.balanceA)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
|
|
ctx := suite.App.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
|
|
err := suite.Keeper.SwapForExactTokens(ctx, requester.GetAddress(), tc.coinA, tc.coinB, sdk.MustNewDecFromStr("0.1"))
|
|
suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds), fmt.Sprintf("got err %s", err))
|
|
})
|
|
}
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens_InsufficientFunds_Vesting() {
|
|
testCases := []struct {
|
|
name string
|
|
balanceA sdk.Coin
|
|
vestingA sdk.Coin
|
|
coinA sdk.Coin
|
|
coinB sdk.Coin
|
|
}{
|
|
{"no ukava balance, vesting only", sdk.NewCoin("ukava", sdk.ZeroInt()), sdk.NewCoin("ukava", sdk.NewInt(100)), sdk.NewCoin("ukava", sdk.NewInt(1000)), sdk.NewCoin("usdx", sdk.NewInt(500))},
|
|
{"no usdx balance, vesting only", sdk.NewCoin("usdx", sdk.ZeroInt()), sdk.NewCoin("usdx", sdk.NewInt(500)), sdk.NewCoin("usdx", sdk.NewInt(5000)), sdk.NewCoin("ukava", sdk.NewInt(100))},
|
|
{"low ukava balance, vesting matches exact", sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("ukava", sdk.NewInt(100000)), sdk.NewCoin("ukava", sdk.NewInt(1000000)), sdk.NewCoin("usdx", sdk.NewInt(5000000))},
|
|
{"low ukava balance, vesting matches exact", sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("usdx", sdk.NewInt(500000)), sdk.NewCoin("usdx", sdk.NewInt(5000000)), sdk.NewCoin("ukava", sdk.NewInt(1000000))},
|
|
{"large ukava balance difference, vesting covers difference", sdk.NewCoin("ukava", sdk.NewInt(100e6)), sdk.NewCoin("ukava", sdk.NewInt(10000e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6))},
|
|
{"large usdx balance difference, vesting covers difference", sdk.NewCoin("usdx", sdk.NewInt(500e6)), sdk.NewCoin("usdx", sdk.NewInt(500000e6)), sdk.NewCoin("usdx", sdk.NewInt(5000e6)), sdk.NewCoin("ukava", sdk.NewInt(1000e6))},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
suite.Run(tc.name, func() {
|
|
suite.SetupTest()
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(100000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(500000e6)),
|
|
)
|
|
totalShares := sdk.NewInt(30000e6)
|
|
suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
balance := sdk.NewCoins(tc.balanceA)
|
|
vesting := sdk.NewCoins(tc.vestingA)
|
|
requester := suite.CreateVestingAccount(balance, vesting)
|
|
|
|
ctx := suite.App.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
|
|
err := suite.Keeper.SwapForExactTokens(ctx, requester.GetAddress(), tc.coinA, tc.coinB, sdk.MustNewDecFromStr("0.1"))
|
|
suite.Require().True(errors.Is(err, sdkerrors.ErrInsufficientFunds), fmt.Sprintf("got err %s", err))
|
|
})
|
|
}
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens_PoolNotFound() {
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
|
|
)
|
|
totalShares := sdk.NewInt(3000e6)
|
|
poolID := suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
suite.Keeper.DeletePool(suite.Ctx, poolID)
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
|
|
coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
|
|
|
|
err := suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
suite.EqualError(err, "invalid pool: pool ukava/usdx not found")
|
|
|
|
err = suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinB, coinA, sdk.MustNewDecFromStr("0.01"))
|
|
suite.EqualError(err, "invalid pool: pool ukava/usdx not found")
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens_PanicOnInvalidPool() {
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
|
|
)
|
|
totalShares := sdk.NewInt(3000e6)
|
|
poolID := suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
|
|
poolRecord, found := suite.Keeper.GetPool(suite.Ctx, poolID)
|
|
suite.Require().True(found, "expected pool record to exist")
|
|
|
|
poolRecord.TotalShares = sdk.ZeroInt()
|
|
suite.Keeper.SetPool_Raw(suite.Ctx, poolRecord)
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
|
|
coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
|
|
|
|
suite.PanicsWithValue("invalid pool ukava/usdx: invalid pool: total shares must be greater than zero", func() {
|
|
_ = suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected invalid pool record to panic")
|
|
|
|
suite.PanicsWithValue("invalid pool ukava/usdx: invalid pool: total shares must be greater than zero", func() {
|
|
_ = suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinB, coinA, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected invalid pool record to panic")
|
|
}
|
|
|
|
func (suite *keeperTestSuite) TestSwapForExactTokens_PanicOnInsufficientModuleAccFunds() {
|
|
owner := suite.CreateAccount(sdk.Coins{})
|
|
reserves := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
|
|
)
|
|
totalShares := sdk.NewInt(3000e6)
|
|
suite.setupPool(reserves, totalShares, owner.GetAddress())
|
|
|
|
suite.RemoveCoinsFromModule(sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(1000e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(5000e6)),
|
|
))
|
|
|
|
balance := sdk.NewCoins(
|
|
sdk.NewCoin("ukava", sdk.NewInt(10e6)),
|
|
sdk.NewCoin("usdx", sdk.NewInt(10e6)),
|
|
)
|
|
requester := suite.NewAccountFromAddr(sdk.AccAddress("requester"), balance)
|
|
coinA := sdk.NewCoin("ukava", sdk.NewInt(1e6))
|
|
coinB := sdk.NewCoin("usdx", sdk.NewInt(5e6))
|
|
|
|
suite.Panics(func() {
|
|
_ = suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected panic when module account does not have enough funds")
|
|
|
|
suite.Panics(func() {
|
|
_ = suite.Keeper.SwapForExactTokens(suite.Ctx, requester.GetAddress(), coinA, coinB, sdk.MustNewDecFromStr("0.01"))
|
|
}, "expected panic when module account does not have enough funds")
|
|
}
|