mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-26 16:25:21 +00:00
367 lines
16 KiB
Go
367 lines
16 KiB
Go
package keeper_test
|
|
|
|
import (
|
|
"time"
|
|
|
|
sdkmath "cosmossdk.io/math"
|
|
"github.com/cometbft/cometbft/crypto"
|
|
tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
|
|
tmtime "github.com/cometbft/cometbft/types/time"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
|
|
"github.com/0glabs/0g-chain/app"
|
|
"github.com/0glabs/0g-chain/x/hard"
|
|
"github.com/0glabs/0g-chain/x/hard/types"
|
|
pricefeedtypes "github.com/0glabs/0g-chain/x/pricefeed/types"
|
|
)
|
|
|
|
func (suite *KeeperTestSuite) TestRepay() {
|
|
type args struct {
|
|
borrower sdk.AccAddress
|
|
repayer sdk.AccAddress
|
|
initialBorrowerCoins sdk.Coins
|
|
initialRepayerCoins sdk.Coins
|
|
initialModuleCoins sdk.Coins
|
|
depositCoins []sdk.Coin
|
|
borrowCoins sdk.Coins
|
|
repayCoins sdk.Coins
|
|
}
|
|
|
|
type errArgs struct {
|
|
expectPass bool
|
|
expectDelete bool
|
|
contains string
|
|
}
|
|
|
|
type borrowTest struct {
|
|
name string
|
|
args args
|
|
errArgs errArgs
|
|
}
|
|
|
|
model := types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10"))
|
|
|
|
testCases := []borrowTest{
|
|
{
|
|
"valid: partial repay",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(10*KAVA_CF))),
|
|
},
|
|
errArgs{
|
|
expectPass: true,
|
|
expectDelete: false,
|
|
contains: "",
|
|
},
|
|
},
|
|
{
|
|
"valid: partial repay by non borrower",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("repayer"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(10*KAVA_CF))),
|
|
},
|
|
errArgs{
|
|
expectPass: true,
|
|
expectDelete: false,
|
|
contains: "",
|
|
},
|
|
},
|
|
{
|
|
"valid: repay in full",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
|
|
},
|
|
errArgs{
|
|
expectPass: true,
|
|
expectDelete: true,
|
|
contains: "",
|
|
},
|
|
},
|
|
{
|
|
"valid: overpayment is adjusted",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(80*KAVA_CF))), // Deposit less so user still has some KAVA
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(60*KAVA_CF))), // Exceeds borrowed coins but not user's balance
|
|
},
|
|
errArgs{
|
|
expectPass: true,
|
|
expectDelete: true,
|
|
contains: "",
|
|
},
|
|
},
|
|
{
|
|
"invalid: attempt to repay non-supplied coin",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(10*KAVA_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(10*KAVA_CF))),
|
|
},
|
|
errArgs{
|
|
expectPass: false,
|
|
expectDelete: false,
|
|
contains: "no coins of this type borrowed",
|
|
},
|
|
},
|
|
{
|
|
"invalid: insufficient balance for repay",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("repayer"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(49*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))), // Exceeds repayer's balance, but not borrow amount
|
|
},
|
|
errArgs{
|
|
expectPass: false,
|
|
expectDelete: false,
|
|
contains: "account can only repay up to 49000000ukava",
|
|
},
|
|
},
|
|
{
|
|
"invalid: repaying a single coin type results in borrow position below the minimum USD value",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(50*USDX_CF))),
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(45*USDX_CF))),
|
|
},
|
|
errArgs{
|
|
expectPass: false,
|
|
expectDelete: false,
|
|
contains: "proposed borrow's USD value $5.000000000000000000 is below the minimum borrow limit",
|
|
},
|
|
},
|
|
{
|
|
"invalid: repaying multiple coin types results in borrow position below the minimum USD value",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(50*USDX_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(10*KAVA_CF))), // (50*$1)+(10*$2) = $70
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(45*USDX_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(8*KAVA_CF))), // (45*$1)+(8*$2) = $61
|
|
},
|
|
errArgs{
|
|
expectPass: false,
|
|
expectDelete: false,
|
|
contains: "proposed borrow's USD value $9.000000000000000000 is below the minimum borrow limit",
|
|
},
|
|
},
|
|
{
|
|
"invalid: overpaying multiple coin types results in borrow position below the minimum USD value",
|
|
args{
|
|
borrower: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
repayer: sdk.AccAddress(crypto.AddressHash([]byte("borrower"))),
|
|
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
|
|
initialRepayerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
|
|
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(1000*USDX_CF))),
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(50*USDX_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(10*KAVA_CF))), // (50*$1)+(10*$2) = $70
|
|
repayCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(500*USDX_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(8*KAVA_CF))), // (500*$1)+(8*$2) = $516, or capping to borrowed amount, (50*$1)+(8*$2) = $66
|
|
},
|
|
errArgs{
|
|
expectPass: false,
|
|
expectDelete: false,
|
|
contains: "proposed borrow's USD value $4.000000000000000000 is below the minimum borrow limit",
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
suite.Run(tc.name, func() {
|
|
// Initialize test app and set context
|
|
tApp := app.NewTestApp()
|
|
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
|
|
|
|
// Auth module genesis state
|
|
addrs, coinses := uniqueAddressCoins(
|
|
[]sdk.AccAddress{tc.args.borrower, tc.args.repayer},
|
|
[]sdk.Coins{tc.args.initialBorrowerCoins, tc.args.initialRepayerCoins},
|
|
)
|
|
authGS := app.NewFundedGenStateWithCoins(
|
|
tApp.AppCodec(),
|
|
coinses,
|
|
addrs,
|
|
)
|
|
|
|
// Hard module genesis state
|
|
hardGS := types.NewGenesisState(types.NewParams(
|
|
types.MoneyMarkets{
|
|
types.NewMoneyMarket("usdx",
|
|
types.NewBorrowLimit(false, sdk.NewDec(100000000*USDX_CF), sdk.MustNewDecFromStr("1")), // Borrow Limit
|
|
"usdx:usd", // Market ID
|
|
sdkmath.NewInt(USDX_CF), // Conversion Factor
|
|
model, // Interest Rate Model
|
|
sdk.MustNewDecFromStr("0.05"), // Reserve Factor
|
|
sdk.MustNewDecFromStr("0.05")), // Keeper Reward Percent
|
|
types.NewMoneyMarket("ukava",
|
|
types.NewBorrowLimit(false, sdk.NewDec(100000000*KAVA_CF), sdk.MustNewDecFromStr("0.8")), // Borrow Limit
|
|
"kava:usd", // Market ID
|
|
sdkmath.NewInt(KAVA_CF), // Conversion Factor
|
|
model, // Interest Rate Model
|
|
sdk.MustNewDecFromStr("0.05"), // Reserve Factor
|
|
sdk.MustNewDecFromStr("0.05")), // Keeper Reward Percent
|
|
},
|
|
sdk.NewDec(10),
|
|
), types.DefaultAccumulationTimes, types.DefaultDeposits, types.DefaultBorrows,
|
|
types.DefaultTotalSupplied, types.DefaultTotalBorrowed, types.DefaultTotalReserves,
|
|
)
|
|
|
|
// Pricefeed module genesis state
|
|
pricefeedGS := pricefeedtypes.GenesisState{
|
|
Params: pricefeedtypes.Params{
|
|
Markets: []pricefeedtypes.Market{
|
|
{MarketID: "usdx:usd", BaseAsset: "usdx", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
|
{MarketID: "kava:usd", BaseAsset: "kava", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
|
},
|
|
},
|
|
PostedPrices: []pricefeedtypes.PostedPrice{
|
|
{
|
|
MarketID: "usdx:usd",
|
|
OracleAddress: sdk.AccAddress{},
|
|
Price: sdk.MustNewDecFromStr("1.00"),
|
|
Expiry: time.Now().Add(1 * time.Hour),
|
|
},
|
|
{
|
|
MarketID: "kava:usd",
|
|
OracleAddress: sdk.AccAddress{},
|
|
Price: sdk.MustNewDecFromStr("2.00"),
|
|
Expiry: time.Now().Add(1 * time.Hour),
|
|
},
|
|
},
|
|
}
|
|
|
|
// Initialize test application
|
|
tApp.InitializeFromGenesisStates(authGS,
|
|
app.GenesisState{pricefeedtypes.ModuleName: tApp.AppCodec().MustMarshalJSON(&pricefeedGS)},
|
|
app.GenesisState{types.ModuleName: tApp.AppCodec().MustMarshalJSON(&hardGS)},
|
|
)
|
|
|
|
// Mint coins to Hard module account
|
|
bankKeeper := tApp.GetBankKeeper()
|
|
err := bankKeeper.MintCoins(ctx, types.ModuleAccountName, tc.args.initialModuleCoins)
|
|
suite.Require().NoError(err)
|
|
|
|
suite.app = tApp
|
|
suite.ctx = ctx
|
|
suite.keeper = tApp.GetHardKeeper()
|
|
|
|
// Run BeginBlocker once to transition MoneyMarkets
|
|
hard.BeginBlocker(suite.ctx, suite.keeper)
|
|
|
|
// Deposit coins to hard
|
|
err = suite.keeper.Deposit(suite.ctx, tc.args.borrower, tc.args.depositCoins)
|
|
suite.Require().NoError(err)
|
|
|
|
// Borrow coins from hard
|
|
err = suite.keeper.Borrow(suite.ctx, tc.args.borrower, tc.args.borrowCoins)
|
|
suite.Require().NoError(err)
|
|
|
|
repayerAcc := suite.getAccount(tc.args.repayer)
|
|
previousRepayerCoins := bankKeeper.GetAllBalances(suite.ctx, repayerAcc.GetAddress())
|
|
|
|
err = suite.keeper.Repay(suite.ctx, tc.args.repayer, tc.args.borrower, tc.args.repayCoins)
|
|
if tc.errArgs.expectPass {
|
|
suite.Require().NoError(err)
|
|
// If we overpaid expect an adjustment
|
|
repaymentCoins, err := suite.keeper.CalculatePaymentAmount(tc.args.borrowCoins, tc.args.repayCoins)
|
|
suite.Require().NoError(err)
|
|
|
|
// Check repayer balance
|
|
expectedRepayerCoins := previousRepayerCoins.Sub(repaymentCoins...)
|
|
acc := suite.getAccount(tc.args.repayer)
|
|
// use IsEqual for sdk.Coins{nil} vs sdk.Coins{}
|
|
suite.Require().True(expectedRepayerCoins.IsEqual(bankKeeper.GetAllBalances(suite.ctx, acc.GetAddress())))
|
|
|
|
// Check module account balance
|
|
expectedModuleCoins := tc.args.initialModuleCoins.Add(tc.args.depositCoins...).Sub(tc.args.borrowCoins...).Add(repaymentCoins...)
|
|
mAcc := suite.getModuleAccount(types.ModuleAccountName)
|
|
suite.Require().Equal(expectedModuleCoins, bankKeeper.GetAllBalances(suite.ctx, mAcc.GetAddress()))
|
|
|
|
// Check user's borrow object
|
|
borrow, foundBorrow := suite.keeper.GetBorrow(suite.ctx, tc.args.borrower)
|
|
expectedBorrowCoins := tc.args.borrowCoins.Sub(repaymentCoins...)
|
|
|
|
if tc.errArgs.expectDelete {
|
|
suite.Require().False(foundBorrow)
|
|
} else {
|
|
suite.Require().True(foundBorrow)
|
|
suite.Require().Equal(expectedBorrowCoins, borrow.Amount)
|
|
}
|
|
} else {
|
|
suite.Require().Error(err)
|
|
suite.Require().Contains(err.Error(), tc.errArgs.contains)
|
|
|
|
// Check repayer balance (no repay coins)
|
|
acc := suite.getAccount(tc.args.repayer)
|
|
suite.Require().Equal(previousRepayerCoins, bankKeeper.GetAllBalances(suite.ctx, acc.GetAddress()))
|
|
|
|
// Check module account balance (no repay coins)
|
|
expectedModuleCoins := tc.args.initialModuleCoins.Add(tc.args.depositCoins...).Sub(tc.args.borrowCoins...)
|
|
mAcc := suite.getModuleAccount(types.ModuleAccountName)
|
|
suite.Require().Equal(expectedModuleCoins, bankKeeper.GetAllBalances(suite.ctx, mAcc.GetAddress()))
|
|
|
|
// Check user's borrow object (no repay coins)
|
|
borrow, foundBorrow := suite.keeper.GetBorrow(suite.ctx, tc.args.borrower)
|
|
suite.Require().True(foundBorrow)
|
|
suite.Require().Equal(tc.args.borrowCoins, borrow.Amount)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// uniqueAddressCoins removes duplicate addresses, and the corresponding elements in a list of coins.
|
|
func uniqueAddressCoins(addresses []sdk.AccAddress, coinses []sdk.Coins) ([]sdk.AccAddress, []sdk.Coins) {
|
|
uniqueAddresses := []sdk.AccAddress{}
|
|
filteredCoins := []sdk.Coins{}
|
|
|
|
addrMap := map[string]bool{}
|
|
for i, a := range addresses {
|
|
if !addrMap[a.String()] {
|
|
uniqueAddresses = append(uniqueAddresses, a)
|
|
filteredCoins = append(filteredCoins, coinses[i])
|
|
}
|
|
addrMap[a.String()] = true
|
|
}
|
|
return uniqueAddresses, filteredCoins
|
|
}
|