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Hard: sync supply interest on attempted liquidation (#763)

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* sync supply interest on attempted liquidation

* update tests with supply interest accrual
This commit is contained in:
Denali Marsh 2021-01-13 12:59:39 +01:00 committed by GitHub
parent f6efc2597b
commit d05516bbe0
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 27 additions and 26 deletions
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1
x/hard/keeper/liquidation.go
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@ -40,6 +40,7 @@ func (k Keeper) AttemptKeeperLiquidation(ctx sdk.Context, keeper sdk.AccAddress,
} }
k.SyncBorrowInterest(ctx, borrower) k.SyncBorrowInterest(ctx, borrower)
k.SyncSupplyInterest(ctx, borrower)
deposit, found := k.GetDeposit(ctx, borrower) deposit, found := k.GetDeposit(ctx, borrower)
if !found { if !found {

52
x/hard/keeper/liquidation_test.go
View File

@ -70,7 +70,7 @@ func (suite *KeeperTestSuite) TestIndexLiquidation() {
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 1, ID: 1,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 10*KAVA_CF), Lot: sdk.NewInt64Coin("ukava", 10000411),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -78,7 +78,7 @@ func (suite *KeeperTestSuite) TestIndexLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 8004766), MaxBid: sdk.NewInt64Coin("ukava", 8004765),
LotReturns: lotReturns, LotReturns: lotReturns,
}, },
}, },
@ -398,13 +398,13 @@ func (suite *KeeperTestSuite) TestFullIndexLiquidation() {
otherBorrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(7*KAVA_CF))), otherBorrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(7*KAVA_CF))),
beginBlockerTime: oneMonthInSeconds, beginBlockerTime: oneMonthInSeconds,
ltvIndexCount: int(10), ltvIndexCount: int(10),
expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(98*KAVA_CF))), // initial - deposit + borrow + liquidation leftovers expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(98000001))), // initial - (deposit + borrow) + liquidation leftovers + supply interest
expectedAuctions: auctypes.Auctions{ expectedAuctions: auctypes.Auctions{
auctypes.CollateralAuction{ auctypes.CollateralAuction{
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 1, ID: 1,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 10*KAVA_CF), Lot: sdk.NewInt64Coin("ukava", 10003317),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -441,7 +441,7 @@ func (suite *KeeperTestSuite) TestFullIndexLiquidation() {
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 1, ID: 1,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 10*KAVA_CF), Lot: sdk.NewInt64Coin("ukava", 10004037),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -449,14 +449,14 @@ func (suite *KeeperTestSuite) TestFullIndexLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 8014873), MaxBid: sdk.NewInt64Coin("ukava", 8014872),
LotReturns: otherBorrower3LotReturns, LotReturns: otherBorrower3LotReturns,
}, },
auctypes.CollateralAuction{ auctypes.CollateralAuction{
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 2, ID: 2,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 10*KAVA_CF), Lot: sdk.NewInt64Coin("ukava", 10004037),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -464,14 +464,14 @@ func (suite *KeeperTestSuite) TestFullIndexLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 8014873), MaxBid: sdk.NewInt64Coin("ukava", 8014872),
LotReturns: otherBorrower2LotReturns, LotReturns: otherBorrower2LotReturns,
}, },
auctypes.CollateralAuction{ auctypes.CollateralAuction{
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 3, ID: 3,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 10*KAVA_CF), Lot: sdk.NewInt64Coin("ukava", 10004037),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -479,14 +479,14 @@ func (suite *KeeperTestSuite) TestFullIndexLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 8014873), MaxBid: sdk.NewInt64Coin("ukava", 8014872),
LotReturns: lotReturns, LotReturns: lotReturns,
}, },
auctypes.CollateralAuction{ auctypes.CollateralAuction{
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 4, ID: 4,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 10*KAVA_CF), Lot: sdk.NewInt64Coin("ukava", 10004037),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -494,7 +494,7 @@ func (suite *KeeperTestSuite) TestFullIndexLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 8014873), MaxBid: sdk.NewInt64Coin("ukava", 8014872),
LotReturns: otherBorrower1LotReturns, LotReturns: otherBorrower1LotReturns,
}, },
}, },
@ -799,14 +799,14 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(8*KAVA_CF))), borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(8*KAVA_CF))),
liquidateAfter: oneMonthInSeconds, liquidateAfter: oneMonthInSeconds,
auctionSize: sdk.NewInt(KAVA_CF * 1000), auctionSize: sdk.NewInt(KAVA_CF * 1000),
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100.5*KAVA_CF))), expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100500020))),
expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(98000001))), // initial - deposit + borrow + liquidation leftovers expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(98000001))), // initial - deposit + borrow + liquidation leftovers
expectedAuctions: auctypes.Auctions{ expectedAuctions: auctypes.Auctions{
auctypes.CollateralAuction{ auctypes.CollateralAuction{
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 1, ID: 1,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 9499999), Lot: sdk.NewInt64Coin("ukava", 9500390),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -837,14 +837,14 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
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 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
liquidateAfter: oneMonthInSeconds, liquidateAfter: oneMonthInSeconds,
auctionSize: sdk.NewInt(KAVA_CF * 1000), auctionSize: sdk.NewInt(KAVA_CF * 1000),
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(102.5*KAVA_CF))), expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(102500001))),
expectedBorrowerCoins: sdk.NewCoins(sdk.NewCoin("usdc", sdk.NewInt(20*KAVA_CF)), sdk.NewCoin("ukava", sdk.NewInt(60*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(2*BNB_CF)), sdk.NewCoin("btc", sdk.NewInt(0.2*BTCB_CF))), // initial - deposit + borrow + liquidation leftovers 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
expectedAuctions: auctypes.Auctions{ expectedAuctions: auctypes.Auctions{
auctypes.CollateralAuction{ auctypes.CollateralAuction{
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 1, ID: 1,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 11874422), Lot: sdk.NewInt64Coin("ukava", 11874430),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("bnb", 0), Bid: sdk.NewInt64Coin("bnb", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -859,7 +859,7 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 2, ID: 2,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 11874245), Lot: sdk.NewInt64Coin("ukava", 11874254),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("btc", 0), Bid: sdk.NewInt64Coin("btc", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -874,7 +874,7 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 3, ID: 3,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 11875155), Lot: sdk.NewInt64Coin("ukava", 11875163),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -889,7 +889,7 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 4, ID: 4,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 11876178), Lot: sdk.NewInt64Coin("ukava", 11876185),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("usdc", 0), Bid: sdk.NewInt64Coin("usdc", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -897,7 +897,7 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("usdc", 20003283), MaxBid: sdk.NewInt64Coin("usdc", 20003284),
LotReturns: lotReturns, LotReturns: lotReturns,
}, },
}, },
@ -920,7 +920,7 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(120*KAVA_CF))), // $240 borrowed borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(120*KAVA_CF))), // $240 borrowed
liquidateAfter: oneMonthInSeconds, liquidateAfter: oneMonthInSeconds,
auctionSize: sdk.NewInt(KAVA_CF * 1000), auctionSize: sdk.NewInt(KAVA_CF * 1000),
expectedKeeperCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(102.5*KAVA_CF)), 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 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
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))), 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))),
expectedAuctions: auctypes.Auctions{ expectedAuctions: auctypes.Auctions{
auctypes.CollateralAuction{ auctypes.CollateralAuction{
@ -935,7 +935,7 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 40037377), MaxBid: sdk.NewInt64Coin("ukava", 40036023),
LotReturns: lotReturns, LotReturns: lotReturns,
}, },
auctypes.CollateralAuction{ auctypes.CollateralAuction{
@ -950,14 +950,14 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 40037377), MaxBid: sdk.NewInt64Coin("ukava", 40036023),
LotReturns: lotReturns, LotReturns: lotReturns,
}, },
auctypes.CollateralAuction{ auctypes.CollateralAuction{
BaseAuction: auctypes.BaseAuction{ BaseAuction: auctypes.BaseAuction{
ID: 3, ID: 3,
Initiator: "hard_liquidator", Initiator: "hard_liquidator",
Lot: sdk.NewInt64Coin("ukava", 47499999), Lot: sdk.NewInt64Coin("ukava", 47504818),
Bidder: nil, Bidder: nil,
Bid: sdk.NewInt64Coin("ukava", 0), Bid: sdk.NewInt64Coin("ukava", 0),
HasReceivedBids: false, HasReceivedBids: false,
@ -965,7 +965,7 @@ func (suite *KeeperTestSuite) TestKeeperLiquidation() {
MaxEndTime: endTime, MaxEndTime: endTime,
}, },
CorrespondingDebt: sdk.NewInt64Coin("debt", 0), CorrespondingDebt: sdk.NewInt64Coin("debt", 0),
MaxBid: sdk.NewInt64Coin("ukava", 40037379), MaxBid: sdk.NewInt64Coin("ukava", 40040087),
LotReturns: lotReturns, LotReturns: lotReturns,
}, },
}, },