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Hard Audit: decrement total borrowed on liquidation (#823)
* decrement total borrow on liquidation * copy kevin's decrement changes * check error in liquidation * extend decrement borrowed changes * mimic negative check on the supplied coins side * update liquidation test
This commit is contained in:
Denali Marsh
GitHub
parent
7e39c1d0a8
commit
a5b72363d0
@ -240,9 +240,15 @@ func (k Keeper) DecrementBorrowedCoins(ctx sdk.Context, coins sdk.Coins) error {
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return sdkerrors.Wrapf(types.ErrBorrowedCoinsNotFound, "cannot repay coins if no coins are currently borrowed")
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}
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updatedBorrowedCoins, isAnyNegative := borrowedCoins.SafeSub(coins)
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if isAnyNegative {
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return types.ErrNegativeBorrowedCoins
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updatedBorrowedCoins := sdk.NewCoins()
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for _, coin := range coins {
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// If amount is greater than total borrowed amount due to rounding, set total borrowed amount to 0
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// by skipping the coin such that it's not included in the updatedBorrowedCoins object
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if coin.Amount.GTE(borrowedCoins.AmountOf(coin.Denom)) {
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continue
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}
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updatedBorrowCoin := sdk.NewCoin(coin.Denom, borrowedCoins.AmountOf(coin.Denom).Sub(coin.Amount))
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updatedBorrowedCoins = updatedBorrowedCoins.Add(updatedBorrowCoin)
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}
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k.SetBorrowedCoins(ctx, updatedBorrowedCoins)
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@ -145,9 +145,15 @@ func (k Keeper) DecrementSuppliedCoins(ctx sdk.Context, coins sdk.Coins) error {
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return sdkerrors.Wrapf(types.ErrSuppliedCoinsNotFound, "cannot withdraw if no coins are deposited")
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}
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updatedSuppliedCoins, isAnyNegative := suppliedCoins.SafeSub(coins)
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if isAnyNegative {
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return types.ErrNegativeSuppliedCoins
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updatedSuppliedCoins := sdk.NewCoins()
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for _, coin := range coins {
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// If amount is greater than total supplied amount due to rounding, set total supplied amount to 0
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// by skipping the coin such that it's not included in the updatedSuppliedCoins object
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if coin.Amount.GTE(suppliedCoins.AmountOf(coin.Denom)) {
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continue
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}
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updatedSupplyCoin := sdk.NewCoin(coin.Denom, suppliedCoins.AmountOf(coin.Denom).Sub(coin.Amount))
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updatedSuppliedCoins = updatedSuppliedCoins.Add(updatedSupplyCoin)
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}
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k.SetSuppliedCoins(ctx, updatedSuppliedCoins)
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@ -180,9 +180,15 @@ func (k Keeper) StartAuctions(ctx sdk.Context, borrower sdk.AccAddress, borrows,
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if err != nil {
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return liquidatedCoins, err
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}
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// Decrement supplied coins and increment borrowed coins optimistically
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k.DecrementSuppliedCoins(ctx, sdk.Coins{lot})
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k.IncrementBorrowedCoins(ctx, sdk.Coins{bid})
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// Decrement supplied coins and decrement borrowed coins optimistically
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err = k.DecrementSuppliedCoins(ctx, sdk.Coins{lot})
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if err != nil {
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return liquidatedCoins, err
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}
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err = k.DecrementBorrowedCoins(ctx, sdk.Coins{bid})
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if err != nil {
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return liquidatedCoins, err
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}
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// Add lot to liquidated coins
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liquidatedCoins = liquidatedCoins.Add(lot)
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@ -225,9 +231,15 @@ func (k Keeper) StartAuctions(ctx sdk.Context, borrower sdk.AccAddress, borrows,
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if err != nil {
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return liquidatedCoins, err
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}
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// Decrement supplied coins and increment borrowed coins optimistically
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k.DecrementSuppliedCoins(ctx, sdk.Coins{lot})
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k.IncrementBorrowedCoins(ctx, sdk.Coins{bid})
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// Decrement supplied coins and decrement borrowed coins optimistically
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err = k.DecrementSuppliedCoins(ctx, sdk.Coins{lot})
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if err != nil {
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return liquidatedCoins, err
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}
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err = k.DecrementBorrowedCoins(ctx, sdk.Coins{bid})
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if err != nil {
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return liquidatedCoins, err
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}
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// Add lot to liquidated coins
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liquidatedCoins = liquidatedCoins.Add(lot)
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@ -18,20 +18,20 @@ import (
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func (suite *KeeperTestSuite) TestKeeperLiquidation() {
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type args struct {
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borrower sdk.AccAddress
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keeper sdk.AccAddress
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keeperRewardPercent sdk.Dec
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initialModuleCoins sdk.Coins
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initialBorrowerCoins sdk.Coins
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initialKeeperCoins sdk.Coins
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depositCoins []sdk.Coin
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borrowCoins sdk.Coins
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liquidateAfter int64
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expectedLiquidatedCoins sdk.Coins
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expectedBidCoins sdk.Coins
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expectedKeeperCoins sdk.Coins // coins keeper address should have after successfully liquidating position
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expectedBorrowerCoins sdk.Coins // additional coins (if any) the borrower address should have after successfully liquidating position
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expectedAuctions auctypes.Auctions // the auctions we should expect to find have been started
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borrower sdk.AccAddress
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keeper sdk.AccAddress
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keeperRewardPercent sdk.Dec
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initialModuleCoins sdk.Coins
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initialBorrowerCoins sdk.Coins
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initialKeeperCoins sdk.Coins
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depositCoins []sdk.Coin
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borrowCoins sdk.Coins
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liquidateAfter int64
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expectedTotalSuppliedCoins sdk.Coins
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expectedTotalBorrowedCoins sdk.Coins
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expectedKeeperCoins sdk.Coins // coins keeper address should have after successfully liquidating position
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expectedBorrowerCoins sdk.Coins // additional coins (if any) the borrower address should have after successfully liquidating position
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expectedAuctions auctypes.Auctions // the auctions we should expect to find have been started
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}
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type errArgs struct {
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@ -63,19 +63,19 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
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{
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"valid: keeper liquidates borrow",
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args{
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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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))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(10*KAVA_CF))),
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(8*KAVA_CF))),
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liquidateAfter: oneMonthInSeconds,
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expectedLiquidatedCoins: sdk.NewCoins(sdk.NewInt64Coin("ukava", 9500390)),
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expectedBidCoins: sdk.NewCoins(sdk.NewInt64Coin("ukava", 8004766)),
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expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100500020))),
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expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(98000001))), // initial - deposit + borrow + liquidation leftovers
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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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))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(10*KAVA_CF))),
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(8*KAVA_CF))),
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liquidateAfter: oneMonthInSeconds,
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expectedTotalSuppliedCoins: sdk.NewCoins(sdk.NewInt64Coin("ukava", 504138)),
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expectedTotalBorrowedCoins: nil,
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expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100500020))),
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expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(98000001))), // initial - deposit + borrow + liquidation leftovers
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expectedAuctions: auctypes.Auctions{
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auctypes.CollateralAuction{
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BaseAuction: auctypes.BaseAuction{
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@ -102,19 +102,19 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
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{
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"valid: single deposit, multiple borrows",
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args{
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(1000*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1000*BTCB_CF))),
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initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF))), // $100 * 0.8 = $80 borrowable
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borrowCoins: sdk.NewCoins(sdk.NewCoin("usdc", sdk.NewInt(20*KAVA_CF)), sdk.NewCoin("ukava", sdk.NewInt(10*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(2*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(0.2*BTCB_CF))), // $20+$20+$20 = $80 borrowed
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liquidateAfter: oneMonthInSeconds,
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expectedLiquidatedCoins: sdk.NewCoins(sdk.NewInt64Coin("ukava", 47500032)),
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expectedBidCoins: sdk.NewCoins(sdk.NewInt64Coin("bnb", 200003287), sdk.NewInt64Coin("btc", 20000032), sdk.NewInt64Coin("ukava", 10000782), sdk.NewInt64Coin("usdc", 20003284)),
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expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(102500001))),
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expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdc", sdk.NewInt(20*KAVA_CF)), sdk.NewCoin("ukava", sdk.NewInt(60000002)), sdk.NewCoin("bnb", sdk.NewInt(2*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(0.2*BTCB_CF))), // initial - deposit + borrow + liquidation leftovers
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(1000*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1000*BTCB_CF))),
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initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF))), // $100 * 0.8 = $80 borrowable
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borrowCoins: sdk.NewCoins(sdk.NewCoin("usdc", sdk.NewInt(20*KAVA_CF)), sdk.NewCoin("ukava", sdk.NewInt(10*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(2*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(0.2*BTCB_CF))), // $20+$20+$20 = $80 borrowed
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liquidateAfter: oneMonthInSeconds,
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expectedTotalSuppliedCoins: sdk.NewCoins(sdk.NewInt64Coin("ukava", 2500711)),
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expectedTotalBorrowedCoins: nil,
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expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(102500001))),
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expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdc", sdk.NewInt(20*KAVA_CF)), sdk.NewCoin("ukava", sdk.NewInt(60000002)), sdk.NewCoin("bnb", sdk.NewInt(2*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(0.2*BTCB_CF))), // initial - deposit + borrow + liquidation leftovers
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expectedAuctions: auctypes.Auctions{
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auctypes.CollateralAuction{
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BaseAuction: auctypes.BaseAuction{
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@ -186,19 +186,19 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
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{
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"valid: multiple deposits, single borrow",
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args{
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000*KAVA_CF))),
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initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(100*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(100*BTCB_CF))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(10*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1*BTCB_CF))), // $100 + $100 + $100 = $300 * 0.8 = $240 borrowable // $100 * 0.8 = $80 borrowable
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(120*KAVA_CF))), // $240 borrowed
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liquidateAfter: oneMonthInSeconds,
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expectedLiquidatedCoins: sdk.NewCoins(sdk.NewInt64Coin("bnb", 950000000), sdk.NewInt64Coin("btc", 95000000), sdk.NewInt64Coin("ukava", 47504818)),
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expectedBidCoins: sdk.NewCoins(sdk.NewInt64Coin("ukava", 120112133)),
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expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(102500253)), sdk.NewCoin("bnb", sdk.NewInt(0.5*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(0.05*BTCB_CF))), // 5% of each seized coin + initial balances
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expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(170.000001*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(90*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(99*BTCB_CF))),
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000*KAVA_CF))),
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initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(100*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(100*BTCB_CF))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(10*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1*BTCB_CF))), // $100 + $100 + $100 = $300 * 0.8 = $240 borrowable // $100 * 0.8 = $80 borrowable
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(120*KAVA_CF))), // $240 borrowed
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liquidateAfter: oneMonthInSeconds,
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expectedTotalSuppliedCoins: nil,
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expectedTotalBorrowedCoins: nil,
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expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(102500253)), sdk.NewCoin("bnb", sdk.NewInt(0.5*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(0.05*BTCB_CF))), // 5% of each seized coin + initial balances
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expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(170.000001*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(90*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(99*BTCB_CF))),
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expectedAuctions: auctypes.Auctions{
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auctypes.CollateralAuction{
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BaseAuction: auctypes.BaseAuction{
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@ -256,19 +256,19 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
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"valid: mutliple stablecoin deposits, multiple variable coin borrows",
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// Auctions: total lot value = $285 ($300 of deposits - $15 keeper reward), total max bid value = $270
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args{
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(1000*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1000*BTCB_CF))),
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initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(100*KAVA_CF))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("usdc", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(100*KAVA_CF))), // $100 + $100 + $100 = $300 * 0.9 = $270 borrowable
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(35*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(10*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1*BTCB_CF))), // $270 borrowed
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liquidateAfter: oneMonthInSeconds,
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expectedLiquidatedCoins: sdk.NewCoins(sdk.NewInt64Coin("usdc", 95000000), sdk.NewInt64Coin("usdt", 95000000), sdk.NewInt64Coin("usdx", 94999999)),
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expectedBidCoins: sdk.NewCoins(sdk.NewInt64Coin("bnb", 1000082154), sdk.NewInt64Coin("btc", 100000821), sdk.NewInt64Coin("ukava", 35010052)),
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expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(5*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(5*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(5*KAVA_CF))), // 5% of each seized coin + initial balances
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expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(135*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(10*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1*BTCB_CF)), sdk.NewCoin("usdx", sdk.NewInt(0.000001*KAVA_CF))),
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borrower: borrower,
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keeper: keeper,
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keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
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initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(1000*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1000*BTCB_CF))),
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initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(100*KAVA_CF))),
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initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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depositCoins: sdk.NewCoins(sdk.NewCoin("usdc", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(100*KAVA_CF))), // $100 + $100 + $100 = $300 * 0.9 = $270 borrowable
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(35*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(10*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1*BTCB_CF))), // $270 borrowed
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liquidateAfter: oneMonthInSeconds,
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expectedTotalSuppliedCoins: nil,
|
||||
expectedTotalBorrowedCoins: nil,
|
||||
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(5*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(5*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(5*KAVA_CF))), // 5% of each seized coin + initial balances
|
||||
expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(135*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(10*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(1*BTCB_CF)), sdk.NewCoin("usdx", sdk.NewInt(0.000001*KAVA_CF))),
|
||||
expectedAuctions: auctypes.Auctions{
|
||||
auctypes.CollateralAuction{
|
||||
BaseAuction: auctypes.BaseAuction{
|
||||
@ -355,19 +355,19 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
|
||||
{
|
||||
"valid: multiple stablecoin deposits, multiple stablecoin borrows",
|
||||
args{
|
||||
borrower: borrower,
|
||||
keeper: keeper,
|
||||
keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
|
||||
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("dai", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF))),
|
||||
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("dai", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF))),
|
||||
initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("dai", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF))),
|
||||
depositCoins: sdk.NewCoins(sdk.NewCoin("dai", sdk.NewInt(350*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(200*KAVA_CF))),
|
||||
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdt", sdk.NewInt(250*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(245*KAVA_CF))),
|
||||
liquidateAfter: oneMonthInSeconds,
|
||||
expectedLiquidatedCoins: sdk.NewCoins(sdk.NewInt64Coin("dai", 332500000), sdk.NewInt64Coin("usdc", 189999999)),
|
||||
expectedBidCoins: sdk.NewCoins(sdk.NewInt64Coin("usdx", 245487894), sdk.NewInt64Coin("usdt", 250507897)),
|
||||
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("dai", sdk.NewInt(1017.50*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1010*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF))),
|
||||
expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("dai", sdk.NewInt(650*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(800000001)), sdk.NewCoin("usdt", sdk.NewInt(1250*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(1245*KAVA_CF))),
|
||||
borrower: borrower,
|
||||
keeper: keeper,
|
||||
keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
|
||||
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("dai", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF))),
|
||||
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("dai", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF))),
|
||||
initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("dai", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1000*KAVA_CF))),
|
||||
depositCoins: sdk.NewCoins(sdk.NewCoin("dai", sdk.NewInt(350*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(200*KAVA_CF))),
|
||||
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdt", sdk.NewInt(250*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(245*KAVA_CF))),
|
||||
liquidateAfter: oneMonthInSeconds,
|
||||
expectedTotalSuppliedCoins: nil,
|
||||
expectedTotalBorrowedCoins: nil,
|
||||
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("dai", sdk.NewInt(1017.50*KAVA_CF)), sdk.NewCoin("usdt", sdk.NewInt(1000*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(1010*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(1000*KAVA_CF))),
|
||||
expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("dai", sdk.NewInt(650*KAVA_CF)), sdk.NewCoin("usdc", sdk.NewInt(800000001)), sdk.NewCoin("usdt", sdk.NewInt(1250*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(1245*KAVA_CF))),
|
||||
expectedAuctions: auctypes.Auctions{
|
||||
auctypes.CollateralAuction{
|
||||
BaseAuction: auctypes.BaseAuction{
|
||||
@ -424,20 +424,20 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
|
||||
{
|
||||
"invalid: borrow not liquidatable",
|
||||
args{
|
||||
borrower: borrower,
|
||||
keeper: keeper,
|
||||
keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
|
||||
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
|
||||
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
|
||||
initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
|
||||
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(20*KAVA_CF))), // Deposit 20 KAVA
|
||||
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(5*KAVA_CF))), // Borrow 5 KAVA
|
||||
liquidateAfter: oneMonthInSeconds,
|
||||
expectedLiquidatedCoins: sdk.Coins{},
|
||||
expectedBidCoins: sdk.Coins{},
|
||||
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100.5*KAVA_CF))),
|
||||
expectedBorrowerCoins: sdk.NewCoins(),
|
||||
expectedAuctions: auctypes.Auctions{},
|
||||
borrower: borrower,
|
||||
keeper: keeper,
|
||||
keeperRewardPercent: sdk.MustNewDecFromStr("0.05"),
|
||||
initialModuleCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
|
||||
initialBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
|
||||
initialKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
|
||||
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(20*KAVA_CF))), // Deposit 20 KAVA
|
||||
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(5*KAVA_CF))), // Borrow 5 KAVA
|
||||
liquidateAfter: oneMonthInSeconds,
|
||||
expectedTotalSuppliedCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(20001624))),
|
||||
expectedTotalBorrowedCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(5001709))),
|
||||
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100.5*KAVA_CF))),
|
||||
expectedBorrowerCoins: sdk.NewCoins(),
|
||||
expectedAuctions: auctypes.Auctions{},
|
||||
},
|
||||
errArgs{
|
||||
expectPass: false,
|
||||
@ -650,10 +650,9 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
|
||||
|
||||
// Check that supplied and borrowed coins have been updated post-liquidation
|
||||
suppliedCoinsPost, _ := suite.keeper.GetSuppliedCoins(liqCtx)
|
||||
suite.Require().Equal(suppliedCoinsPre.Sub(tc.args.expectedLiquidatedCoins), suppliedCoinsPost)
|
||||
suite.Require().Equal(tc.args.expectedTotalSuppliedCoins, suppliedCoinsPost)
|
||||
borrowedCoinsPost, _ := suite.keeper.GetBorrowedCoins(liqCtx)
|
||||
|
||||
suite.Require().Equal(borrowedCoinsPre.Add(tc.args.expectedBidCoins...), borrowedCoinsPost)
|
||||
suite.Require().Equal(tc.args.expectedTotalBorrowedCoins, borrowedCoinsPost)
|
||||
} else {
|
||||
suite.Require().Error(err)
|
||||
suite.Require().True(strings.Contains(err.Error(), tc.errArgs.contains))
|
||||
@ -668,6 +667,10 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
|
||||
// Check that no auctions have been created
|
||||
auctions := suite.auctionKeeper.GetAllAuctions(liqCtx)
|
||||
suite.Require().True(len(auctions) == 0)
|
||||
|
||||
// Check that supplied and borrowed coins have not been updated post-liquidation
|
||||
suite.Require().Equal(tc.args.expectedTotalSuppliedCoins, suppliedCoinsPre)
|
||||
suite.Require().Equal(tc.args.expectedTotalBorrowedCoins, borrowedCoinsPre)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
@ -58,7 +58,10 @@ func (k Keeper) Repay(ctx sdk.Context, sender, owner sdk.AccAddress, coins sdk.C
|
||||
}
|
||||
|
||||
// Update total borrowed amount
|
||||
k.DecrementBorrowedCoins(ctx, payment)
|
||||
err = k.DecrementBorrowedCoins(ctx, payment)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Call incentive hook
|
||||
if !borrow.Amount.Empty() {
|
||||
|
||||
@ -64,8 +64,12 @@ func (k Keeper) Withdraw(ctx sdk.Context, depositor sdk.AccAddress, coins sdk.Co
|
||||
} else {
|
||||
k.SetDeposit(ctx, deposit)
|
||||
}
|
||||
|
||||
// Update total supplied amount
|
||||
k.DecrementSuppliedCoins(ctx, amount)
|
||||
err = k.DecrementSuppliedCoins(ctx, amount)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Call incentive hook
|
||||
k.AfterDepositModified(ctx, deposit)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user