mirror of
https://github.com/0glabs/0g-chain.git
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fe2a131b31
* add module param MinimumBorrowUSDValue * borrow/repay min limit restrictions * add borrow/repay test cases * update tests with new module params * update timelock test with param * update withdraw LTV test * remove unused GetCurrentBorrowUSDValue method * commit to prompt CircleCI run
376 lines
14 KiB
Go
376 lines
14 KiB
Go
package keeper_test
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import (
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"strings"
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto"
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tmtime "github.com/tendermint/tendermint/types/time"
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"github.com/kava-labs/kava/app"
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"github.com/kava-labs/kava/x/hard"
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"github.com/kava-labs/kava/x/hard/types"
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"github.com/kava-labs/kava/x/pricefeed"
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)
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func (suite *KeeperTestSuite) TestWithdraw() {
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type args struct {
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depositor sdk.AccAddress
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initialModAccountBalance sdk.Coins
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depositAmount sdk.Coins
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withdrawAmount sdk.Coins
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createDeposit bool
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expectedAccountBalance sdk.Coins
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expectedModAccountBalance sdk.Coins
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finalDepositAmount sdk.Coins
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}
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type errArgs struct {
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expectPass bool
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expectDelete bool
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contains string
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}
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type withdrawTest struct {
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name string
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args args
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errArgs errArgs
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}
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testCases := []withdrawTest{
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{
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"valid: partial withdraw",
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args{
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depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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initialModAccountBalance: sdk.Coins(nil),
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depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))),
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withdrawAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(100))),
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createDeposit: true,
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expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(900)), sdk.NewCoin("btcb", sdk.NewInt(1000))),
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expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(100))),
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finalDepositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(100))),
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},
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errArgs{
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expectPass: true,
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expectDelete: false,
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contains: "",
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},
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},
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{
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"valid: full withdraw",
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args{
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depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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initialModAccountBalance: sdk.Coins(nil),
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depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))),
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withdrawAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))),
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createDeposit: true,
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expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))),
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expectedModAccountBalance: sdk.Coins(nil),
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finalDepositAmount: sdk.Coins{},
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},
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errArgs{
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expectPass: true,
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expectDelete: true,
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contains: "",
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},
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},
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{
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"valid: withdraw exceeds deposit but is adjusted to match max deposit",
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args{
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depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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initialModAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000))),
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depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))),
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withdrawAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(300))),
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createDeposit: true,
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expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000))),
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expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000))),
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finalDepositAmount: sdk.Coins{},
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},
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errArgs{
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expectPass: true,
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expectDelete: true,
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contains: "",
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},
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},
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{
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"invalid: withdraw non-supplied coin type",
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args{
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depositor: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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initialModAccountBalance: sdk.Coins(nil),
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depositAmount: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(200))),
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withdrawAmount: sdk.NewCoins(sdk.NewCoin("btcb", sdk.NewInt(200))),
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createDeposit: true,
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expectedAccountBalance: sdk.Coins{},
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expectedModAccountBalance: sdk.Coins{},
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finalDepositAmount: sdk.Coins{},
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},
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errArgs{
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expectPass: false,
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expectDelete: false,
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contains: "no coins of this type deposited",
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},
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},
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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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// create new app with one funded account
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// Initialize test app and set context
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tApp := app.NewTestApp()
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ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
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authGS := app.NewAuthGenState(
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[]sdk.AccAddress{tc.args.depositor},
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[]sdk.Coins{sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(1000)), sdk.NewCoin("btcb", sdk.NewInt(1000)))},
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)
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loanToValue := sdk.MustNewDecFromStr("0.6")
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hardGS := types.NewGenesisState(types.NewParams(
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types.MoneyMarkets{
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types.NewMoneyMarket("usdx", types.NewBorrowLimit(false, sdk.NewDec(1000000000000000), loanToValue), "usdx:usd", sdk.NewInt(1000000), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
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types.NewMoneyMarket("ukava", types.NewBorrowLimit(false, sdk.NewDec(1000000000000000), loanToValue), "kava:usd", sdk.NewInt(1000000), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
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types.NewMoneyMarket("bnb", types.NewBorrowLimit(false, sdk.NewDec(1000000000000000), loanToValue), "bnb:usd", sdk.NewInt(100000000), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
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},
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sdk.NewDec(10),
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), types.DefaultAccumulationTimes, types.DefaultDeposits, types.DefaultBorrows,
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types.DefaultTotalSupplied, types.DefaultTotalBorrowed, types.DefaultTotalReserves,
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)
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// Pricefeed module genesis state
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pricefeedGS := pricefeed.GenesisState{
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Params: pricefeed.Params{
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Markets: []pricefeed.Market{
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{MarketID: "usdx:usd", BaseAsset: "usdx", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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{MarketID: "kava:usd", BaseAsset: "kava", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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{MarketID: "bnb:usd", BaseAsset: "bnb", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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},
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},
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PostedPrices: []pricefeed.PostedPrice{
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{
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MarketID: "usdx:usd",
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OracleAddress: sdk.AccAddress{},
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Price: sdk.MustNewDecFromStr("1.00"),
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Expiry: time.Now().Add(100 * time.Hour),
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},
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{
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MarketID: "kava:usd",
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OracleAddress: sdk.AccAddress{},
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Price: sdk.MustNewDecFromStr("2.00"),
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Expiry: time.Now().Add(100 * time.Hour),
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},
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{
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MarketID: "bnb:usd",
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OracleAddress: sdk.AccAddress{},
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Price: sdk.MustNewDecFromStr("10.00"),
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Expiry: time.Now().Add(100 * time.Hour),
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},
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},
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}
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tApp.InitializeFromGenesisStates(authGS,
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app.GenesisState{pricefeed.ModuleName: pricefeed.ModuleCdc.MustMarshalJSON(pricefeedGS)},
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app.GenesisState{types.ModuleName: types.ModuleCdc.MustMarshalJSON(hardGS)})
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keeper := tApp.GetHardKeeper()
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suite.app = tApp
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suite.ctx = ctx
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suite.keeper = keeper
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// Mint coins to Hard module account
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supplyKeeper := tApp.GetSupplyKeeper()
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supplyKeeper.MintCoins(ctx, types.ModuleAccountName, tc.args.initialModAccountBalance)
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if tc.args.createDeposit {
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err := suite.keeper.Deposit(suite.ctx, tc.args.depositor, tc.args.depositAmount)
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suite.Require().NoError(err)
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}
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err := suite.keeper.Withdraw(suite.ctx, tc.args.depositor, tc.args.withdrawAmount)
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if tc.errArgs.expectPass {
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suite.Require().NoError(err)
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acc := suite.getAccount(tc.args.depositor)
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suite.Require().Equal(tc.args.expectedAccountBalance, acc.GetCoins())
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mAcc := suite.getModuleAccount(types.ModuleAccountName)
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suite.Require().Equal(tc.args.expectedModAccountBalance, mAcc.GetCoins())
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testDeposit, f := suite.keeper.GetDeposit(suite.ctx, tc.args.depositor)
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if tc.errArgs.expectDelete {
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suite.Require().False(f)
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} else {
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suite.Require().True(f)
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suite.Require().Equal(tc.args.finalDepositAmount, testDeposit.Amount)
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}
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} else {
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suite.Require().Error(err)
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suite.Require().True(strings.Contains(err.Error(), tc.errArgs.contains))
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}
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})
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}
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}
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func (suite *KeeperTestSuite) TestLtvWithdraw() {
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type args struct {
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borrower sdk.AccAddress
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initialModuleCoins sdk.Coins
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initialBorrowerCoins sdk.Coins
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depositCoins sdk.Coins
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borrowCoins sdk.Coins
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repayCoins sdk.Coins
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futureTime int64
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}
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type errArgs struct {
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expectPass bool
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contains string
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}
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type liqTest struct {
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name string
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args args
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errArgs errArgs
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}
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// Set up test constants
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model := types.NewInterestRateModel(sdk.MustNewDecFromStr("0"), sdk.MustNewDecFromStr("0.1"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("0.5"))
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reserveFactor := sdk.MustNewDecFromStr("0.05")
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oneMonthInSeconds := int64(2592000)
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borrower := sdk.AccAddress(crypto.AddressHash([]byte("testborrower")))
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testCases := []liqTest{
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{
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"invalid: withdraw is outside loan-to-value range",
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args{
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borrower: borrower,
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initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))), // 100 * 2 = $200
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(80*KAVA_CF))), // 80 * 2 = $160
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repayCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(60*KAVA_CF))), // 60 * 2 = $120
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futureTime: oneMonthInSeconds,
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},
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errArgs{
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expectPass: false,
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contains: "proposed withdraw outside loan-to-value range",
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},
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},
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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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// Initialize test app and set context
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tApp := app.NewTestApp()
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ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
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// Auth module genesis state
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authGS := app.NewAuthGenState(
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[]sdk.AccAddress{tc.args.borrower},
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[]sdk.Coins{tc.args.initialBorrowerCoins},
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)
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// Harvest module genesis state
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harvestGS := types.NewGenesisState(types.NewParams(
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types.MoneyMarkets{
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types.NewMoneyMarket("ukava",
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types.NewBorrowLimit(false, sdk.NewDec(100000000*KAVA_CF), sdk.MustNewDecFromStr("0.8")), // Borrow Limit
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"kava:usd", // Market ID
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sdk.NewInt(KAVA_CF), // Conversion Factor
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model, // Interest Rate Model
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reserveFactor, // Reserve Factor
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sdk.MustNewDecFromStr("0.05")), // Keeper Reward Percent
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types.NewMoneyMarket("usdx",
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types.NewBorrowLimit(false, sdk.NewDec(100000000*KAVA_CF), sdk.MustNewDecFromStr("0.8")), // Borrow Limit
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"usdx:usd", // Market ID
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sdk.NewInt(KAVA_CF), // Conversion Factor
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model, // Interest Rate Model
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reserveFactor, // Reserve Factor
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sdk.MustNewDecFromStr("0.05")), // Keeper Reward Percent
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},
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sdk.NewDec(10),
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), types.DefaultAccumulationTimes, types.DefaultDeposits, types.DefaultBorrows,
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types.DefaultTotalSupplied, types.DefaultTotalBorrowed, types.DefaultTotalReserves,
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)
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// Pricefeed module genesis state
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pricefeedGS := pricefeed.GenesisState{
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Params: pricefeed.Params{
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Markets: []pricefeed.Market{
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{MarketID: "usdx:usd", BaseAsset: "usdx", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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{MarketID: "kava:usd", BaseAsset: "kava", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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},
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},
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PostedPrices: []pricefeed.PostedPrice{
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{
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MarketID: "usdx:usd",
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OracleAddress: sdk.AccAddress{},
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Price: sdk.MustNewDecFromStr("1.00"),
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Expiry: time.Now().Add(100 * time.Hour),
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},
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{
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MarketID: "kava:usd",
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OracleAddress: sdk.AccAddress{},
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Price: sdk.MustNewDecFromStr("2.00"),
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Expiry: time.Now().Add(100 * time.Hour),
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},
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},
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}
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// Initialize test application
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tApp.InitializeFromGenesisStates(authGS,
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app.GenesisState{pricefeed.ModuleName: pricefeed.ModuleCdc.MustMarshalJSON(pricefeedGS)},
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app.GenesisState{types.ModuleName: types.ModuleCdc.MustMarshalJSON(harvestGS)})
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// Mint coins to Harvest module account
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supplyKeeper := tApp.GetSupplyKeeper()
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supplyKeeper.MintCoins(ctx, types.ModuleAccountName, tc.args.initialModuleCoins)
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auctionKeeper := tApp.GetAuctionKeeper()
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keeper := tApp.GetHardKeeper()
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suite.app = tApp
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suite.ctx = ctx
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suite.keeper = keeper
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suite.auctionKeeper = auctionKeeper
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var err error
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// Run begin blocker to set up state
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hard.BeginBlocker(suite.ctx, suite.keeper)
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// Borrower deposits coins
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err = suite.keeper.Deposit(suite.ctx, tc.args.borrower, tc.args.depositCoins)
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suite.Require().NoError(err)
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// Borrower borrows coins
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err = suite.keeper.Borrow(suite.ctx, tc.args.borrower, tc.args.borrowCoins)
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suite.Require().NoError(err)
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// Attempting to withdraw fails
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err = suite.keeper.Withdraw(suite.ctx, tc.args.borrower, sdk.NewCoins(sdk.NewCoin("ukava", sdk.OneInt())))
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suite.Require().Error(err)
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suite.Require().True(strings.Contains(err.Error(), tc.errArgs.contains))
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// Set up future chain context and run begin blocker, increasing user's owed borrow balance
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runAtTime := time.Unix(suite.ctx.BlockTime().Unix()+(tc.args.futureTime), 0)
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liqCtx := suite.ctx.WithBlockTime(runAtTime)
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hard.BeginBlocker(liqCtx, suite.keeper)
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// Attempted withdraw of 1 coin still fails
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err = suite.keeper.Withdraw(suite.ctx, tc.args.borrower, sdk.NewCoins(sdk.NewCoin("ukava", sdk.OneInt())))
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suite.Require().Error(err)
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suite.Require().True(strings.Contains(err.Error(), tc.errArgs.contains))
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// Repay the initial principal. Over pay the position so the borrow is closed.
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err = suite.keeper.Repay(suite.ctx, tc.args.borrower, tc.args.borrower, tc.args.repayCoins)
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suite.Require().NoError(err)
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// Attempted withdraw of all deposited coins fails as user hasn't repaid interest debt
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err = suite.keeper.Withdraw(suite.ctx, tc.args.borrower, tc.args.depositCoins)
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suite.Require().Error(err)
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suite.Require().True(strings.Contains(err.Error(), tc.errArgs.contains))
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// Withdrawing 10% of the coins should succeed
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withdrawCoins := sdk.NewCoins(sdk.NewCoin("ukava", tc.args.depositCoins[0].Amount.Quo(sdk.NewInt(10))))
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err = suite.keeper.Withdraw(suite.ctx, tc.args.borrower, withdrawCoins)
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suite.Require().NoError(err)
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})
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}
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}
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