From 4d4e76db06253822eccbaf7c751d16a8dd096a2c Mon Sep 17 00:00:00 2001
From: Robert Zaremba <robert@zaremba.ch>
Date: Thu, 18 Apr 2024 23:06:01 +0200
Subject: [PATCH 1/6] feat: leverage fees

---
 proto/umee/leverage/v1/leverage.proto |   8 ++
 x/leverage/keeper/interest.go         |  17 ++-
 x/leverage/keeper/oracle.go           |  19 ++-
 x/leverage/types/leverage.pb.go       | 185 +++++++++++++++++---------
 4 files changed, 147 insertions(+), 82 deletions(-)

diff --git a/proto/umee/leverage/v1/leverage.proto b/proto/umee/leverage/v1/leverage.proto
index 4637a0dab5..8c3e0a6601 100644
--- a/proto/umee/leverage/v1/leverage.proto
+++ b/proto/umee/leverage/v1/leverage.proto
@@ -70,6 +70,14 @@ message Params {
     (gogoproto.nullable)   = false,
     (gogoproto.moretags)   = "yaml:\"direct_liquidation_fee\""
   ];
+  // Burn Auction Factor determines the portion of interest accrued on
+  // borrows that is sent to the auction module for the rewards auction.
+  // Valid values: 0-1.
+  string burn_auction_factor = 7 [
+    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
+    (gogoproto.nullable)   = false,
+    (gogoproto.moretags)   = "yaml:\"oracle_reward_factor\""
+  ];
 }
 
 // Token defines a token, along with its metadata and parameters, in the Umee
diff --git a/x/leverage/keeper/interest.go b/x/leverage/keeper/interest.go
index 2e9b19a478..7d5d1a06de 100644
--- a/x/leverage/keeper/interest.go
+++ b/x/leverage/keeper/interest.go
@@ -61,7 +61,8 @@ func (k Keeper) DeriveSupplyAPY(ctx sdk.Context, denom string) sdk.Dec {
 
 	borrowRate := k.DeriveBorrowAPY(ctx, denom)
 	utilization := k.SupplyUtilization(ctx, denom)
-	reduction := k.GetParams(ctx).OracleRewardFactor.Add(token.ReserveFactor)
+	params := k.GetParams(ctx)
+	reduction := params.OracleRewardFactor.Add(params.BurnAuctionFactor).Add(token.ReserveFactor)
 
 	// supply APY = borrow APY * utilization, reduced by reserve factor and oracle reward factor
 	return borrowRate.Mul(utilization).Mul(sdk.OneDec().Sub(reduction))
@@ -106,10 +107,11 @@ func (k Keeper) AccrueAllInterest(ctx sdk.Context) error {
 
 	// fetch required parameters
 	tokens := k.GetAllRegisteredTokens(ctx)
-	oracleRewardFactor := k.GetParams(ctx).OracleRewardFactor
+	params := k.GetParams(ctx)
 
 	// create sdk.Coins objects to track oracle rewards, new reserves, and total interest accrued
 	oracleRewards := sdk.NewCoins()
+	auctionRewards := sdk.NewCoins()
 	newReserves := sdk.NewCoins()
 	totalInterest := sdk.NewCoins()
 
@@ -148,10 +150,13 @@ func (k Keeper) AccrueAllInterest(ctx sdk.Context) error {
 			))
 		}
 
-		// calculate oracle rewards accrued for this denom
 		oracleRewards = oracleRewards.Add(sdk.NewCoin(
 			token.BaseDenom,
-			interestAccrued.Mul(oracleRewardFactor).TruncateInt(),
+			interestAccrued.Mul(params.OracleRewardFactor).TruncateInt(),
+		))
+		auctionRewards = auctionRewards.Add(sdk.NewCoin(
+			token.BaseDenom,
+			interestAccrued.Mul(params.BurnAuctionFactor).TruncateInt(),
 		))
 	}
 
@@ -162,12 +167,10 @@ func (k Keeper) AccrueAllInterest(ctx sdk.Context) error {
 		}
 	}
 
-	// fund oracle reward pool
-	if err := k.FundOracle(ctx, oracleRewards); err != nil {
+	if err := k.FundOracleAndAuction(ctx, oracleRewards, auctionRewards); err != nil {
 		return err
 	}
 
-	// set LastInterestTime
 	err := k.setLastInterestTime(ctx, currentTime)
 	if err != nil {
 		return err
diff --git a/x/leverage/keeper/oracle.go b/x/leverage/keeper/oracle.go
index 2277e84851..dd671ab86e 100644
--- a/x/leverage/keeper/oracle.go
+++ b/x/leverage/keeper/oracle.go
@@ -250,30 +250,29 @@ func (k Keeper) PriceRatio(ctx sdk.Context, fromDenom, toDenom string, mode type
 	return exponent(p1, powerDifference).Quo(p2), nil
 }
 
-// FundOracle transfers requested coins to the oracle module account, as
+// FundOracleAndAuciton transfers requested coins to the oracle module account, as
 // long as the leverage module account has sufficient unreserved assets.
-func (k Keeper) FundOracle(ctx sdk.Context, requested sdk.Coins) error {
-	rewards := sdk.Coins{}
+func (k Keeper) FundOracleAndAuciton(ctx sdk.Context, requested sdk.Coins) error {
+	toOracle := sdk.Coins{}
+	toAuction := sdk.Coins{}
 
 	// reduce rewards if they exceed unreserved module balance
 	for _, coin := range requested {
 		amountToTransfer := sdk.MinInt(coin.Amount, k.AvailableLiquidity(ctx, coin.Denom))
-
 		if amountToTransfer.IsPositive() {
-			rewards = rewards.Add(sdk.NewCoin(coin.Denom, amountToTransfer))
+			toOracle = toOracle.Add(sdk.NewCoin(coin.Denom, amountToTransfer))
 		}
 	}
 
 	// This action is not caused by a message so we need to make an event here
 	k.Logger(ctx).Debug(
 		"funded oracle",
-		"amount", rewards,
+		"amount", toOracle,
 	)
-	sdkutil.Emit(&ctx, &types.EventFundOracle{Assets: rewards})
+	sdkutil.Emit(&ctx, &types.EventFundOracle{Assets: toOracle})
 
-	// Send rewards
-	if !rewards.IsZero() {
-		return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, oracletypes.ModuleName, rewards)
+	if !toOracle.IsZero() {
+		return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, oracletypes.ModuleName, toOracle)
 	}
 
 	return nil
diff --git a/x/leverage/types/leverage.pb.go b/x/leverage/types/leverage.pb.go
index 738df899a4..38cd842c30 100644
--- a/x/leverage/types/leverage.pb.go
+++ b/x/leverage/types/leverage.pb.go
@@ -66,6 +66,10 @@ type Params struct {
 	// uTokens as liquidation rewards.
 	// Valid values: 0-1.
 	DirectLiquidationFee github_com_cosmos_cosmos_sdk_types.Dec `protobuf:"bytes,6,opt,name=direct_liquidation_fee,json=directLiquidationFee,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec" json:"direct_liquidation_fee" yaml:"direct_liquidation_fee"`
+	// Burn Auction Factor determines the portion of interest accrued on
+	// borrows that is sent to the auction module for the rewards auction.
+	// Valid values: 0-1.
+	BurnAuctionFactor github_com_cosmos_cosmos_sdk_types.Dec `protobuf:"bytes,7,opt,name=burn_auction_factor,json=burnAuctionFactor,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec" json:"burn_auction_factor" yaml:"oracle_reward_factor"`
 }
 
 func (m *Params) Reset()         { *m = Params{} }
@@ -354,71 +358,73 @@ func init() {
 func init() { proto.RegisterFile("umee/leverage/v1/leverage.proto", fileDescriptor_8cb1bf9ea641ecc6) }
 
 var fileDescriptor_8cb1bf9ea641ecc6 = []byte{
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+	0xaf, 0x68, 0xa0, 0xb8, 0xf0, 0xe6, 0x8c, 0xa9, 0xc3, 0xc2, 0xa6, 0xee, 0x5b, 0x53, 0x79, 0x9c,
+	0x98, 0xb8, 0x09, 0xbc, 0xa7, 0xd1, 0x7d, 0x03, 0x6a, 0x03, 0x5c, 0xd0, 0x20, 0x04, 0x5f, 0xc0,
+	0x31, 0x15, 0xcd, 0x91, 0x81, 0x5b, 0xd3, 0x19, 0xc8, 0xe3, 0xc4, 0xc4, 0xb5, 0x30, 0x31, 0x68,
+	0x62, 0xe0, 0x07, 0x07, 0xad, 0xcb, 0x88, 0x86, 0xe1, 0xc4, 0x06, 0x4a, 0x76, 0x0a, 0xde, 0x6d,
+	0xe3, 0xe1, 0xf3, 0xc2, 0x1e, 0xde, 0xb3, 0x1e, 0xf2, 0x59, 0x31, 0x59, 0x35, 0x0b, 0x99, 0xe3,
+	0x38, 0x62, 0xa7, 0x60, 0x7c, 0x34, 0x99, 0x80, 0x40, 0x4d, 0xfc, 0xe4, 0x15, 0x80, 0x57, 0x9a,
+	0xce, 0x47, 0x3e, 0x2b, 0x26, 0xab, 0x76, 0x21, 0x63, 0x64, 0x1f, 0xc0, 0xfd, 0x16, 0xad, 0x34,
+	0x7a, 0x22, 0xf6, 0x69, 0x2f, 0xb0, 0xa1, 0xf6, 0x3c, 0xfe, 0xf7, 0x2e, 0xce, 0x63, 0x59, 0x2b,
+	0x3d, 0xb2, 0x42, 0xf6, 0x38, 0x76, 0x6e, 0xfd, 0xfd, 0x6b, 0xcd, 0xc1, 0xff, 0x2c, 0xa1, 0xdb,
+	0x2f, 0x78, 0x07, 0x62, 0xf7, 0x63, 0x84, 0x1a, 0x54, 0x82, 0xdf, 0x84, 0x98, 0x47, 0x9e, 0x63,
+	0x5c, 0xac, 0x5d, 0x0e, 0x6b, 0xcb, 0x96, 0x37, 0x5d, 0xc3, 0x64, 0x41, 0xbf, 0x3c, 0xd6, 0xcf,
+	0x6e, 0x8c, 0x96, 0x04, 0x48, 0x10, 0xfd, 0x71, 0x41, 0xdb, 0x2e, 0xfb, 0xb4, 0xb0, 0xff, 0x35,
+	0xab, 0x33, 0xc9, 0x86, 0xc9, 0x62, 0x02, 0x24, 0x45, 0x74, 0x8c, 0x96, 0x03, 0x1e, 0x86, 0x54,
+	0x81, 0xa0, 0xa1, 0x7f, 0x0c, 0xac, 0xd5, 0x56, 0x49, 0x0f, 0x7d, 0x56, 0x58, 0xd2, 0x1b, 0x35,
+	0xf6, 0x15, 0x42, 0x4c, 0x2a, 0x29, 0xf6, 0xd2, 0x40, 0xee, 0xf7, 0x0e, 0x5a, 0xcb, 0xbf, 0x56,
+	0x6c, 0x03, 0x3d, 0x2b, 0xac, 0xbe, 0x61, 0xd5, 0xdf, 0x72, 0x9b, 0xac, 0x86, 0x79, 0xb7, 0x88,
+	0x44, 0x15, 0x73, 0x10, 0x0d, 0x2e, 0x04, 0x3f, 0xf6, 0x05, 0x55, 0xa3, 0xe6, 0x39, 0x28, 0xac,
+	0x7f, 0x2f, 0x73, 0xb0, 0x19, 0x3e, 0x4c, 0x96, 0x34, 0xb4, 0x6b, 0x10, 0x42, 0x15, 0x68, 0xd1,
+	0x0e, 0x8b, 0x3b, 0x13, 0xa2, 0xa5, 0xe9, 0x44, 0xaf, 0xf2, 0x61, 0xb2, 0xa4, 0xa1, 0x8c, 0x68,
+	0x17, 0x95, 0x23, 0x3a, 0x98, 0xd0, 0xb4, 0x9d, 0xf1, 0xa4, 0xb0, 0xe6, 0x7a, 0x72, 0x55, 0x4e,
+	0xd2, 0x61, 0xb2, 0x18, 0xd1, 0x41, 0x46, 0x51, 0x25, 0x69, 0xf6, 0x14, 0x0b, 0xd9, 0xa9, 0xd9,
+	0x78, 0x6f, 0xfe, 0x06, 0xd2, 0xcc, 0xf0, 0x61, 0x52, 0xd6, 0xd0, 0x97, 0x29, 0xf2, 0x46, 0x5d,
+	0xb1, 0x38, 0x80, 0x58, 0xb1, 0x3e, 0x78, 0x0b, 0x37, 0x57, 0x57, 0x63, 0xd2, 0xc9, 0xba, 0x3a,
+	0x18, 0xc1, 0xee, 0x0e, 0xba, 0x2b, 0x4f, 0xa2, 0x06, 0x0f, 0x93, 0xf6, 0x47, 0x46, 0xfb, 0xde,
+	0xe5, 0xb0, 0xb6, 0x92, 0x5c, 0xb1, 0x99, 0x55, 0x4c, 0xee, 0xd8, 0x57, 0x7b, 0x05, 0xd4, 0xd1,
+	0x3c, 0x0c, 0xba, 0x3c, 0x86, 0x58, 0x79, 0x77, 0x36, 0x9d, 0xad, 0xc5, 0xdd, 0x95, 0xcb, 0x61,
+	0xad, 0x6c, 0x7f, 0x37, 0x5a, 0xc1, 0x64, 0x1c, 0xe4, 0x3e, 0x41, 0xcb, 0x10, 0xd3, 0x46, 0x08,
+	0x7e, 0x24, 0x5b, 0xbe, 0xec, 0x75, 0xbb, 0xe1, 0x89, 0x77, 0x77, 0xd3, 0xd9, 0x9a, 0xdf, 0xdd,
+	0x48, 0xbb, 0xf2, 0x8d, 0x10, 0x4c, 0xca, 0x16, 0x3b, 0x94, 0xad, 0x23, 0x83, 0x5c, 0x61, 0xb2,
+	0x87, 0xeb, 0x2d, 0x5e, 0xc3, 0x64, 0x43, 0xb2, 0x4c, 0xb6, 0x00, 0xdc, 0x0d, 0xb4, 0xd0, 0x08,
+	0x69, 0xd0, 0x09, 0x99, 0x54, 0xde, 0x92, 0x66, 0x20, 0x29, 0x60, 0x86, 0x37, 0x1d, 0xf8, 0x99,
+	0x8b, 0x42, 0xb6, 0xa9, 0x00, 0xaf, 0x3c, 0xe5, 0xf0, 0xce, 0xe1, 0xd4, 0xc3, 0x9b, 0x0e, 0xf6,
+	0xc6, 0xe8, 0x91, 0x06, 0xcd, 0xcc, 0xd2, 0xd1, 0x76, 0x27, 0x26, 0x4a, 0xb4, 0x32, 0xdd, 0xcc,
+	0xca, 0x67, 0xc5, 0x44, 0x27, 0x6c, 0x77, 0x39, 0x5b, 0xad, 0x3f, 0x3a, 0xc8, 0x8b, 0x58, 0x9c,
+	0x75, 0x6d, 0xeb, 0x89, 0xa9, 0x13, 0x6f, 0xd9, 0x38, 0xf9, 0xa2, 0xb0, 0x93, 0xda, 0xf8, 0x5f,
+	0x99, 0x5c, 0x5e, 0x4c, 0xd6, 0x23, 0x16, 0xa7, 0x3b, 0xf2, 0x74, 0xb4, 0xe0, 0x36, 0x10, 0x4a,
+	0xed, 0x7b, 0xae, 0x91, 0xdf, 0x2b, 0x20, 0x7f, 0x10, 0xab, 0x74, 0xc0, 0xa5, 0x4c, 0x98, 0x2c,
+	0x8c, 0x93, 0x77, 0xf7, 0x51, 0xa5, 0xcd, 0xa4, 0xe2, 0x82, 0x05, 0x7e, 0x04, 0x4d, 0x46, 0x63,
+	0xe9, 0xad, 0x98, 0x2a, 0xbf, 0x9f, 0xf6, 0xf9, 0xd5, 0x08, 0x4c, 0xca, 0x23, 0xe8, 0xd0, 0x22,
+	0xc9, 0xb8, 0xfd, 0x79, 0x16, 0x55, 0x8e, 0xba, 0x10, 0x30, 0x1a, 0x3e, 0x92, 0x12, 0xd4, 0x73,
+	0xca, 0x84, 0x5b, 0x45, 0x28, 0xcd, 0xdb, 0x4e, 0x5e, 0x92, 0x41, 0xdc, 0x75, 0x54, 0x4a, 0x4a,
+	0xdb, 0xcc, 0x56, 0x92, 0xbc, 0xb9, 0x5f, 0xbf, 0x7d, 0x16, 0x6e, 0x17, 0x3b, 0x84, 0x9c, 0x79,
+	0x17, 0x5c, 0x3f, 0xee, 0x8a, 0x0a, 0xe4, 0x8e, 0xb3, 0x64, 0x53, 0xfe, 0x75, 0x50, 0x39, 0xbb,
+	0x29, 0x47, 0xa0, 0x74, 0xce, 0x54, 0x3f, 0x4b, 0xcf, 0xd9, 0x9c, 0xd3, 0x39, 0xdb, 0xb7, 0xfc,
+	0x9c, 0x67, 0xdf, 0x75, 0xce, 0x73, 0x37, 0x9d, 0xf3, 0xee, 0xb3, 0xb3, 0xbf, 0xaa, 0x33, 0x67,
+	0xe7, 0x55, 0xe7, 0xf5, 0x79, 0xd5, 0xf9, 0xf3, 0xbc, 0xea, 0xfc, 0x74, 0x51, 0x9d, 0x79, 0x7d,
+	0x51, 0x9d, 0xf9, 0xfd, 0xa2, 0x3a, 0xf3, 0xd5, 0x87, 0x19, 0x05, 0xfd, 0x29, 0xf4, 0x20, 0x06,
+	0x75, 0xcc, 0x45, 0xc7, 0xbc, 0xd4, 0xfb, 0x9f, 0xd4, 0x07, 0xe9, 0xd7, 0x93, 0xd1, 0x6b, 0x94,
+	0xcc, 0x07, 0xd1, 0x47, 0xff, 0x05, 0x00, 0x00, 0xff, 0xff, 0xc9, 0x77, 0x5d, 0x6b, 0x5b, 0x0d,
+	0x00, 0x00,
 }
 
 func (this *Params) Equal(that interface{}) bool {
@@ -455,6 +461,9 @@ func (this *Params) Equal(that interface{}) bool {
 	if !this.DirectLiquidationFee.Equal(that1.DirectLiquidationFee) {
 		return false
 	}
+	if !this.BurnAuctionFactor.Equal(that1.BurnAuctionFactor) {
+		return false
+	}
 	return true
 }
 func (this *Token) Equal(that interface{}) bool {
@@ -623,6 +632,16 @@ func (m *Params) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	{
+		size := m.BurnAuctionFactor.Size()
+		i -= size
+		if _, err := m.BurnAuctionFactor.MarshalTo(dAtA[i:]); err != nil {
+			return 0, err
+		}
+		i = encodeVarintLeverage(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0x3a
 	{
 		size := m.DirectLiquidationFee.Size()
 		i -= size
@@ -1017,6 +1036,8 @@ func (m *Params) Size() (n int) {
 	n += 1 + l + sovLeverage(uint64(l))
 	l = m.DirectLiquidationFee.Size()
 	n += 1 + l + sovLeverage(uint64(l))
+	l = m.BurnAuctionFactor.Size()
+	n += 1 + l + sovLeverage(uint64(l))
 	return n
 }
 
@@ -1321,6 +1342,40 @@ func (m *Params) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field BurnAuctionFactor", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowLeverage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthLeverage
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthLeverage
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.BurnAuctionFactor.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipLeverage(dAtA[iNdEx:])

From 88eba70c0157ca72a76e7d76dbd39d411dd32fe6 Mon Sep 17 00:00:00 2001
From: Robert Zaremba <robert@zaremba.ch>
Date: Thu, 18 Apr 2024 23:49:11 +0200
Subject: [PATCH 2/6] fund modules

---
 x/leverage/keeper/interest.go |  2 +-
 x/leverage/keeper/oracle.go   | 50 +++++++++++++++++++++++++----------
 2 files changed, 37 insertions(+), 15 deletions(-)

diff --git a/x/leverage/keeper/interest.go b/x/leverage/keeper/interest.go
index 7d5d1a06de..9261994319 100644
--- a/x/leverage/keeper/interest.go
+++ b/x/leverage/keeper/interest.go
@@ -167,7 +167,7 @@ func (k Keeper) AccrueAllInterest(ctx sdk.Context) error {
 		}
 	}
 
-	if err := k.FundOracleAndAuction(ctx, oracleRewards, auctionRewards); err != nil {
+	if err := k.fundModules(ctx, oracleRewards, auctionRewards); err != nil {
 		return err
 	}
 
diff --git a/x/leverage/keeper/oracle.go b/x/leverage/keeper/oracle.go
index dd671ab86e..7989c32ac0 100644
--- a/x/leverage/keeper/oracle.go
+++ b/x/leverage/keeper/oracle.go
@@ -4,10 +4,12 @@ import (
 	"strings"
 
 	"cosmossdk.io/errors"
+	sdkmath "cosmossdk.io/math"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	"github.com/umee-network/umee/v6/util/coin"
 	"github.com/umee-network/umee/v6/util/sdkutil"
+	"github.com/umee-network/umee/v6/x/auction"
 	"github.com/umee-network/umee/v6/x/leverage/types"
 	oracletypes "github.com/umee-network/umee/v6/x/oracle/types"
 )
@@ -250,29 +252,49 @@ func (k Keeper) PriceRatio(ctx sdk.Context, fromDenom, toDenom string, mode type
 	return exponent(p1, powerDifference).Quo(p2), nil
 }
 
-// FundOracleAndAuciton transfers requested coins to the oracle module account, as
+// fundModules transfers requested coins to other module account, as
 // long as the leverage module account has sufficient unreserved assets.
-func (k Keeper) FundOracleAndAuciton(ctx sdk.Context, requested sdk.Coins) error {
-	toOracle := sdk.Coins{}
-	toAuction := sdk.Coins{}
+func (k Keeper) fundModules(ctx sdk.Context, toOracle, toAuction sdk.Coins) error {
+	toOracleCheck := sdk.Coins{}
+	toAuctionCheck := sdk.Coins{}
+	available := map[string]sdkmath.Int{}
 
 	// reduce rewards if they exceed unreserved module balance
-	for _, coin := range requested {
-		amountToTransfer := sdk.MinInt(coin.Amount, k.AvailableLiquidity(ctx, coin.Denom))
-		if amountToTransfer.IsPositive() {
-			toOracle = toOracle.Add(sdk.NewCoin(coin.Denom, amountToTransfer))
+	for _, o := range toOracle {
+		avl := k.AvailableLiquidity(ctx, o.Denom)
+		amt := sdk.MinInt(o.Amount, avl)
+		if amt.IsPositive() {
+			toOracleCheck = toOracleCheck.Add(sdk.NewCoin(o.Denom, amt))
+			avl.Sub(amt)
 		}
+		available[o.Denom] = avl
+	}
+	for _, o := range toAuction {
+		avl, ok := available[o.Denom]
+		if !ok {
+			avl = k.AvailableLiquidity(ctx, o.Denom)
+		}
+		amt := sdk.MinInt(o.Amount, avl)
+		if amt.IsPositive() {
+			toAuctionCheck = toAuctionCheck.Add(sdk.NewCoin(o.Denom, amt))
+			avl.Sub(amt)
+		}
+		available[o.Denom] = avl
 	}
 
-	// This action is not caused by a message so we need to make an event here
+	// This action is caused by end blocker, not a message handler, so we need to emit an event
 	k.Logger(ctx).Debug(
-		"funded oracle",
-		"amount", toOracle,
+		"funded ",
+		"to oracle", toOracleCheck,
+		"to auction", toAuctionCheck,
 	)
-	sdkutil.Emit(&ctx, &types.EventFundOracle{Assets: toOracle})
+	sdkutil.Emit(&ctx, &types.EventFundOracle{Assets: toOracleCheck})
 
-	if !toOracle.IsZero() {
-		return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, oracletypes.ModuleName, toOracle)
+	if !toOracleCheck.IsZero() {
+		return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, oracletypes.ModuleName, toOracleCheck)
+	}
+	if !toOracleCheck.IsZero() {
+		return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, auction.ModuleName, toOracleCheck)
 	}
 
 	return nil

From 272aedbe760690338c011aa914e7f7eb06044d75 Mon Sep 17 00:00:00 2001
From: Robert Zaremba <robert@zaremba.ch>
Date: Thu, 18 Apr 2024 23:54:08 +0200
Subject: [PATCH 3/6] events

---
 proto/umee/leverage/v1/events.proto |   5 +
 x/leverage/keeper/oracle.go         |  13 +-
 x/leverage/types/events.pb.go       | 260 +++++++++++++++++++++++-----
 3 files changed, 231 insertions(+), 47 deletions(-)

diff --git a/proto/umee/leverage/v1/events.proto b/proto/umee/leverage/v1/events.proto
index 3b9eaf7736..117ac2918b 100644
--- a/proto/umee/leverage/v1/events.proto
+++ b/proto/umee/leverage/v1/events.proto
@@ -108,3 +108,8 @@ message EventFundOracle {
   // Assets sent to oracle module
   repeated cosmos.base.v1beta1.Coin assets = 1 [(gogoproto.nullable) = false];
 }
+
+// EventFundAuction is emitted when sending rewards to auction module
+message EventFundAuction {
+  repeated cosmos.base.v1beta1.Coin assets = 1 [(gogoproto.nullable) = false];
+}
diff --git a/x/leverage/keeper/oracle.go b/x/leverage/keeper/oracle.go
index 7989c32ac0..b721dcf48b 100644
--- a/x/leverage/keeper/oracle.go
+++ b/x/leverage/keeper/oracle.go
@@ -288,13 +288,16 @@ func (k Keeper) fundModules(ctx sdk.Context, toOracle, toAuction sdk.Coins) erro
 		"to oracle", toOracleCheck,
 		"to auction", toAuctionCheck,
 	)
-	sdkutil.Emit(&ctx, &types.EventFundOracle{Assets: toOracleCheck})
-
+	send := k.bankKeeper.SendCoinsFromModuleToModule
 	if !toOracleCheck.IsZero() {
-		return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, oracletypes.ModuleName, toOracleCheck)
+		sdkutil.Emit(&ctx, &types.EventFundOracle{Assets: toOracleCheck})
+		if err := send(ctx, types.ModuleName, oracletypes.ModuleName, toOracleCheck); err != nil {
+			return err
+		}
 	}
-	if !toOracleCheck.IsZero() {
-		return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, auction.ModuleName, toOracleCheck)
+	if !toAuctionCheck.IsZero() {
+		sdkutil.Emit(&ctx, &types.EventFundAuction{Assets: toOracleCheck})
+		return send(ctx, types.ModuleName, auction.ModuleName, toAuctionCheck)
 	}
 
 	return nil
diff --git a/x/leverage/types/events.pb.go b/x/leverage/types/events.pb.go
index 03065ec232..610e0a47bc 100644
--- a/x/leverage/types/events.pb.go
+++ b/x/leverage/types/events.pb.go
@@ -487,6 +487,44 @@ func (m *EventFundOracle) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_EventFundOracle proto.InternalMessageInfo
 
+// EventFundAuction is emitted when sending rewards to auction module
+type EventFundAuction struct {
+	Assets []types.Coin `protobuf:"bytes,1,rep,name=assets,proto3" json:"assets"`
+}
+
+func (m *EventFundAuction) Reset()         { *m = EventFundAuction{} }
+func (m *EventFundAuction) String() string { return proto.CompactTextString(m) }
+func (*EventFundAuction) ProtoMessage()    {}
+func (*EventFundAuction) Descriptor() ([]byte, []int) {
+	return fileDescriptor_aaf62b4902d7471c, []int{11}
+}
+func (m *EventFundAuction) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *EventFundAuction) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_EventFundAuction.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *EventFundAuction) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EventFundAuction.Merge(m, src)
+}
+func (m *EventFundAuction) XXX_Size() int {
+	return m.Size()
+}
+func (m *EventFundAuction) XXX_DiscardUnknown() {
+	xxx_messageInfo_EventFundAuction.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EventFundAuction proto.InternalMessageInfo
+
 func init() {
 	proto.RegisterType((*EventSupply)(nil), "umee.leverage.v1.EventSupply")
 	proto.RegisterType((*EventWithdraw)(nil), "umee.leverage.v1.EventWithdraw")
@@ -499,53 +537,55 @@ func init() {
 	proto.RegisterType((*EventRepayBadDebt)(nil), "umee.leverage.v1.EventRepayBadDebt")
 	proto.RegisterType((*EventReservesExhausted)(nil), "umee.leverage.v1.EventReservesExhausted")
 	proto.RegisterType((*EventFundOracle)(nil), "umee.leverage.v1.EventFundOracle")
+	proto.RegisterType((*EventFundAuction)(nil), "umee.leverage.v1.EventFundAuction")
 }
 
 func init() { proto.RegisterFile("umee/leverage/v1/events.proto", fileDescriptor_aaf62b4902d7471c) }
 
 var fileDescriptor_aaf62b4902d7471c = []byte{
-	// 647 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xc4, 0x95, 0xcb, 0x6e, 0xd4, 0x3c,
-	0x14, 0xc7, 0xc7, 0x33, 0xf3, 0x55, 0xad, 0xfb, 0xf5, 0x42, 0x54, 0xa1, 0xb4, 0x82, 0x50, 0xb2,
-	0xea, 0xa6, 0x09, 0xe5, 0x2e, 0xb1, 0x40, 0x9d, 0x5e, 0x04, 0x15, 0x02, 0x69, 0xba, 0x40, 0x62,
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-	0x20, 0xab, 0xaf, 0xdf, 0x07, 0x00, 0x00,
+	// 660 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xc4, 0x96, 0xcb, 0x6e, 0xd4, 0x30,
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+	0xa4, 0x39, 0x3d, 0x65, 0xa3, 0x6a, 0xaf, 0xbc, 0x90, 0xbb, 0x4f, 0x8a, 0x7f, 0xe5, 0x2c, 0xd7,
+	0x6a, 0x1a, 0x6a, 0x26, 0x78, 0xed, 0x64, 0x9d, 0x67, 0x87, 0xbf, 0x9c, 0xc6, 0xe1, 0xb1, 0x83,
+	0x8e, 0x8e, 0x1d, 0xf4, 0xf3, 0xd8, 0x41, 0xef, 0x4f, 0x9c, 0xc6, 0xd1, 0x89, 0xd3, 0xf8, 0x76,
+	0xe2, 0x34, 0x5e, 0xde, 0x88, 0x98, 0xee, 0xa7, 0x81, 0x17, 0x8a, 0x81, 0x9f, 0xdd, 0xee, 0xcb,
+	0x1c, 0xf4, 0xae, 0x90, 0x3b, 0x66, 0xe1, 0x0f, 0xef, 0xfa, 0x7b, 0xe5, 0xe7, 0x80, 0xde, 0x4f,
+	0x40, 0x05, 0x63, 0xe6, 0xa2, 0xbe, 0xf5, 0x3b, 0x00, 0x00, 0xff, 0xff, 0x56, 0x89, 0x02, 0x0b,
+	0x2c, 0x08, 0x00, 0x00,
 }
 
 func (m *EventSupply) Marshal() (dAtA []byte, err error) {
@@ -1053,6 +1093,43 @@ func (m *EventFundOracle) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *EventFundAuction) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *EventFundAuction) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *EventFundAuction) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Assets) > 0 {
+		for iNdEx := len(m.Assets) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Assets[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintEvents(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0xa
+		}
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintEvents(dAtA []byte, offset int, v uint64) int {
 	offset -= sovEvents(v)
 	base := offset
@@ -1253,6 +1330,21 @@ func (m *EventFundOracle) Size() (n int) {
 	return n
 }
 
+func (m *EventFundAuction) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if len(m.Assets) > 0 {
+		for _, e := range m.Assets {
+			l = e.Size()
+			n += 1 + l + sovEvents(uint64(l))
+		}
+	}
+	return n
+}
+
 func sovEvents(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -2698,6 +2790,90 @@ func (m *EventFundOracle) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *EventFundAuction) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowEvents
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: EventFundAuction: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: EventFundAuction: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Assets", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowEvents
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthEvents
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthEvents
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Assets = append(m.Assets, types.Coin{})
+			if err := m.Assets[len(m.Assets)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipEvents(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthEvents
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipEvents(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0

From 00f4d60a63a439b3684a6cad36ff19705f47043e Mon Sep 17 00:00:00 2001
From: Robert Zaremba <robert@zaremba.ch>
Date: Fri, 19 Apr 2024 14:40:59 +0200
Subject: [PATCH 4/6] rename and leverage genesis

---
 proto/umee/leverage/v1/leverage.proto |   4 +-
 x/leverage/keeper/interest.go         |   4 +-
 x/leverage/types/leverage.pb.go       | 149 +++++++++++++-------------
 x/leverage/types/params.go            |   1 +
 4 files changed, 79 insertions(+), 79 deletions(-)

diff --git a/proto/umee/leverage/v1/leverage.proto b/proto/umee/leverage/v1/leverage.proto
index 8c3e0a6601..e6ed882146 100644
--- a/proto/umee/leverage/v1/leverage.proto
+++ b/proto/umee/leverage/v1/leverage.proto
@@ -70,10 +70,10 @@ message Params {
     (gogoproto.nullable)   = false,
     (gogoproto.moretags)   = "yaml:\"direct_liquidation_fee\""
   ];
-  // Burn Auction Factor determines the portion of interest accrued on
+  // Rewards Auction Factor determines the portion of interest accrued on
   // borrows that is sent to the auction module for the rewards auction.
   // Valid values: 0-1.
-  string burn_auction_factor = 7 [
+  string rewards_auction_factor = 7 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable)   = false,
     (gogoproto.moretags)   = "yaml:\"oracle_reward_factor\""
diff --git a/x/leverage/keeper/interest.go b/x/leverage/keeper/interest.go
index 9261994319..2134c0db38 100644
--- a/x/leverage/keeper/interest.go
+++ b/x/leverage/keeper/interest.go
@@ -62,7 +62,7 @@ func (k Keeper) DeriveSupplyAPY(ctx sdk.Context, denom string) sdk.Dec {
 	borrowRate := k.DeriveBorrowAPY(ctx, denom)
 	utilization := k.SupplyUtilization(ctx, denom)
 	params := k.GetParams(ctx)
-	reduction := params.OracleRewardFactor.Add(params.BurnAuctionFactor).Add(token.ReserveFactor)
+	reduction := params.OracleRewardFactor.Add(params.RewardsAuctionFactor).Add(token.ReserveFactor)
 
 	// supply APY = borrow APY * utilization, reduced by reserve factor and oracle reward factor
 	return borrowRate.Mul(utilization).Mul(sdk.OneDec().Sub(reduction))
@@ -156,7 +156,7 @@ func (k Keeper) AccrueAllInterest(ctx sdk.Context) error {
 		))
 		auctionRewards = auctionRewards.Add(sdk.NewCoin(
 			token.BaseDenom,
-			interestAccrued.Mul(params.BurnAuctionFactor).TruncateInt(),
+			interestAccrued.Mul(params.RewardsAuctionFactor).TruncateInt(),
 		))
 	}
 
diff --git a/x/leverage/types/leverage.pb.go b/x/leverage/types/leverage.pb.go
index 38cd842c30..79d4f87ada 100644
--- a/x/leverage/types/leverage.pb.go
+++ b/x/leverage/types/leverage.pb.go
@@ -66,10 +66,10 @@ type Params struct {
 	// uTokens as liquidation rewards.
 	// Valid values: 0-1.
 	DirectLiquidationFee github_com_cosmos_cosmos_sdk_types.Dec `protobuf:"bytes,6,opt,name=direct_liquidation_fee,json=directLiquidationFee,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec" json:"direct_liquidation_fee" yaml:"direct_liquidation_fee"`
-	// Burn Auction Factor determines the portion of interest accrued on
+	// Rewards Auction Factor determines the portion of interest accrued on
 	// borrows that is sent to the auction module for the rewards auction.
 	// Valid values: 0-1.
-	BurnAuctionFactor github_com_cosmos_cosmos_sdk_types.Dec `protobuf:"bytes,7,opt,name=burn_auction_factor,json=burnAuctionFactor,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec" json:"burn_auction_factor" yaml:"oracle_reward_factor"`
+	RewardsAuctionFactor github_com_cosmos_cosmos_sdk_types.Dec `protobuf:"bytes,7,opt,name=rewards_auction_factor,json=rewardsAuctionFactor,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec" json:"rewards_auction_factor" yaml:"oracle_reward_factor"`
 }
 
 func (m *Params) Reset()         { *m = Params{} }
@@ -358,73 +358,72 @@ func init() {
 func init() { proto.RegisterFile("umee/leverage/v1/leverage.proto", fileDescriptor_8cb1bf9ea641ecc6) }
 
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+	0x66, 0x86, 0x0f, 0x93, 0xb2, 0x86, 0xbe, 0x4e, 0x91, 0x37, 0xea, 0x8a, 0x45, 0x01, 0x44, 0x8a,
+	0x0d, 0xc0, 0x5b, 0xb8, 0xb9, 0xba, 0x9a, 0x90, 0x4e, 0xd7, 0xd5, 0xfe, 0x18, 0x76, 0xb7, 0xd1,
+	0x5d, 0x79, 0x1c, 0x36, 0x05, 0x4f, 0xda, 0x1f, 0x19, 0xed, 0x7b, 0x17, 0xa3, 0xfa, 0x4a, 0x72,
+	0xd3, 0x66, 0x56, 0x31, 0xb9, 0x63, 0x5f, 0xed, 0x15, 0xd0, 0x40, 0xf3, 0x30, 0xec, 0x89, 0x08,
+	0x22, 0xe5, 0xdd, 0xd9, 0x70, 0x36, 0x17, 0x77, 0x56, 0x2e, 0x46, 0xf5, 0xb2, 0xfd, 0xdd, 0x78,
+	0x05, 0x93, 0xc9, 0x26, 0xf7, 0x09, 0x5a, 0x86, 0x88, 0x36, 0x39, 0xf8, 0xa1, 0x6c, 0xfb, 0xb2,
+	0xdf, 0xeb, 0xf1, 0x63, 0xef, 0xee, 0x86, 0xb3, 0x39, 0xbf, 0xb3, 0x9e, 0x76, 0xe5, 0x1b, 0x5b,
+	0x30, 0x29, 0x5b, 0xec, 0x40, 0xb6, 0x0f, 0x0d, 0x72, 0x89, 0xc9, 0x26, 0xd7, 0x5b, 0xbc, 0x82,
+	0xc9, 0x6e, 0xc9, 0x32, 0xd9, 0x02, 0x70, 0xd7, 0xd1, 0x42, 0x93, 0xd3, 0xa0, 0xcb, 0x99, 0x54,
+	0xde, 0x92, 0x66, 0x20, 0x29, 0x60, 0x66, 0x38, 0x1d, 0xfa, 0x99, 0x8b, 0x42, 0x76, 0x68, 0x0c,
+	0x5e, 0xf9, 0x9a, 0x33, 0x3c, 0x87, 0x53, 0xcf, 0x70, 0x3a, 0xdc, 0x9d, 0xa0, 0x87, 0x1a, 0x34,
+	0xa3, 0x4b, 0xef, 0xb6, 0x27, 0x31, 0x55, 0xa2, 0x95, 0xeb, 0x8d, 0xae, 0x7c, 0x56, 0x4c, 0x74,
+	0xc0, 0xf6, 0x94, 0xb3, 0xd5, 0xfa, 0x93, 0x83, 0xbc, 0x90, 0x45, 0x59, 0xd7, 0xb6, 0x9e, 0x98,
+	0x3a, 0xf6, 0x96, 0x8d, 0x93, 0xaf, 0x0a, 0x3b, 0xa9, 0x4f, 0xfe, 0xa3, 0xc9, 0xe5, 0xc5, 0x64,
+	0x2d, 0x64, 0x51, 0x7a, 0x22, 0x4f, 0xc7, 0x0b, 0x6e, 0x13, 0xa1, 0xd4, 0xbe, 0xe7, 0x1a, 0xf9,
+	0xdd, 0x02, 0xf2, 0xfb, 0x91, 0x4a, 0x07, 0x5c, 0xca, 0x84, 0xc9, 0xc2, 0x24, 0x78, 0x77, 0x0f,
+	0x55, 0x3a, 0x4c, 0x2a, 0x11, 0xb3, 0xc0, 0x0f, 0xa1, 0xc5, 0x68, 0x24, 0xbd, 0x15, 0x53, 0xe5,
+	0xf7, 0xd3, 0x3e, 0xbf, 0xbc, 0x03, 0x93, 0xf2, 0x18, 0x3a, 0xb0, 0x48, 0x32, 0x6e, 0x7f, 0x99,
+	0x45, 0x95, 0xc3, 0x1e, 0x04, 0x8c, 0xf2, 0x47, 0x52, 0x82, 0x7a, 0x4e, 0x59, 0xec, 0xd6, 0x10,
+	0x4a, 0xe3, 0xb6, 0x93, 0x97, 0x64, 0x10, 0x77, 0x0d, 0x95, 0x92, 0xd2, 0x36, 0xb3, 0x95, 0x24,
+	0x6f, 0xee, 0xb7, 0x6f, 0x9f, 0x85, 0x5b, 0xc5, 0x92, 0x90, 0x33, 0xef, 0x82, 0xab, 0xc7, 0x5d,
+	0x51, 0x81, 0xdc, 0x71, 0x96, 0x1c, 0xca, 0x7f, 0x0e, 0x2a, 0x67, 0x0f, 0xe5, 0x10, 0x94, 0x8e,
+	0x99, 0xea, 0x67, 0xe9, 0x39, 0x1b, 0x73, 0x3a, 0x66, 0xfb, 0x96, 0x1f, 0xf3, 0xec, 0xbb, 0x8e,
+	0x79, 0xee, 0xa6, 0x63, 0xde, 0x79, 0x76, 0xfa, 0x77, 0x6d, 0xe6, 0xf4, 0xac, 0xe6, 0xbc, 0x3e,
+	0xab, 0x39, 0x7f, 0x9d, 0xd5, 0x9c, 0x9f, 0xcf, 0x6b, 0x33, 0xaf, 0xcf, 0x6b, 0x33, 0x7f, 0x9c,
+	0xd7, 0x66, 0xbe, 0xf9, 0x38, 0xa3, 0xa0, 0xbf, 0x88, 0x1e, 0x44, 0xa0, 0x8e, 0x44, 0xdc, 0x35,
+	0x2f, 0x8d, 0xc1, 0x67, 0x8d, 0x61, 0xfa, 0x11, 0x65, 0xf4, 0x9a, 0x25, 0xf3, 0x5d, 0xf4, 0xc9,
+	0xff, 0x01, 0x00, 0x00, 0xff, 0xff, 0xe7, 0xab, 0x43, 0x11, 0x62, 0x0d, 0x00, 0x00,
 }
 
 func (this *Params) Equal(that interface{}) bool {
@@ -461,7 +460,7 @@ func (this *Params) Equal(that interface{}) bool {
 	if !this.DirectLiquidationFee.Equal(that1.DirectLiquidationFee) {
 		return false
 	}
-	if !this.BurnAuctionFactor.Equal(that1.BurnAuctionFactor) {
+	if !this.RewardsAuctionFactor.Equal(that1.RewardsAuctionFactor) {
 		return false
 	}
 	return true
@@ -633,9 +632,9 @@ func (m *Params) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	var l int
 	_ = l
 	{
-		size := m.BurnAuctionFactor.Size()
+		size := m.RewardsAuctionFactor.Size()
 		i -= size
-		if _, err := m.BurnAuctionFactor.MarshalTo(dAtA[i:]); err != nil {
+		if _, err := m.RewardsAuctionFactor.MarshalTo(dAtA[i:]); err != nil {
 			return 0, err
 		}
 		i = encodeVarintLeverage(dAtA, i, uint64(size))
@@ -1036,7 +1035,7 @@ func (m *Params) Size() (n int) {
 	n += 1 + l + sovLeverage(uint64(l))
 	l = m.DirectLiquidationFee.Size()
 	n += 1 + l + sovLeverage(uint64(l))
-	l = m.BurnAuctionFactor.Size()
+	l = m.RewardsAuctionFactor.Size()
 	n += 1 + l + sovLeverage(uint64(l))
 	return n
 }
@@ -1344,7 +1343,7 @@ func (m *Params) Unmarshal(dAtA []byte) error {
 			iNdEx = postIndex
 		case 7:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field BurnAuctionFactor", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field RewardsAuctionFactor", wireType)
 			}
 			var stringLen uint64
 			for shift := uint(0); ; shift += 7 {
@@ -1372,7 +1371,7 @@ func (m *Params) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			if err := m.BurnAuctionFactor.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			if err := m.RewardsAuctionFactor.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
diff --git a/x/leverage/types/params.go b/x/leverage/types/params.go
index d4feb2ec44..8fee658d90 100644
--- a/x/leverage/types/params.go
+++ b/x/leverage/types/params.go
@@ -12,6 +12,7 @@ func DefaultParams() Params {
 		CompleteLiquidationThreshold: sdk.MustNewDecFromStr("0.4"),
 		MinimumCloseFactor:           sdk.MustNewDecFromStr("0.05"),
 		OracleRewardFactor:           sdk.MustNewDecFromStr("0.01"),
+		RewardsAuctionFactor:         sdk.MustNewDecFromStr("0.02"),
 		SmallLiquidationSize:         sdk.MustNewDecFromStr("500.00"),
 		DirectLiquidationFee:         sdk.MustNewDecFromStr("0.05"),
 	}

From eec9baf27ccf1cc16d59beb407de8dfb0bf5da19 Mon Sep 17 00:00:00 2001
From: Robert Zaremba <robert@zaremba.ch>
Date: Fri, 19 Apr 2024 14:48:29 +0200
Subject: [PATCH 5/6] changelog

---
 CHANGELOG.md         |  1 +
 swagger/swagger.yaml | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7189643906..82efbd0878 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -49,6 +49,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Features
 
 - [2472](https://github.com/umee-network/umee/pull/2472) un-wire the `crisis` module from umee app.
+- [2500](https://github.com/umee-network/umee/pull/2500) (x/leverage): add Rewards Auction fees and `params.rewards_auction_factor`.
 
 ### Improvements
 
diff --git a/swagger/swagger.yaml b/swagger/swagger.yaml
index 7ae7291042..5264e5fb3d 100644
--- a/swagger/swagger.yaml
+++ b/swagger/swagger.yaml
@@ -1110,6 +1110,16 @@ paths:
 
                       uTokens as liquidation rewards.
 
+                      Valid values: 0-1.
+                  rewards_auction_factor:
+                    type: string
+                    description: >-
+                      Rewards Auction Factor determines the portion of interest
+                      accrued on
+
+                      borrows that is sent to the auction module for the rewards
+                      auction.
+
                       Valid values: 0-1.
                 description: Params defines the parameters for the leverage module.
             description: >-
@@ -6575,6 +6585,12 @@ definitions:
 
           uTokens as liquidation rewards.
 
+          Valid values: 0-1.
+      rewards_auction_factor:
+        type: string
+        description: |-
+          Rewards Auction Factor determines the portion of interest accrued on
+          borrows that is sent to the auction module for the rewards auction.
           Valid values: 0-1.
     description: Params defines the parameters for the leverage module.
   umee.leverage.v1.QueryAccountBalancesResponse:
@@ -7235,6 +7251,16 @@ definitions:
 
               uTokens as liquidation rewards.
 
+              Valid values: 0-1.
+          rewards_auction_factor:
+            type: string
+            description: >-
+              Rewards Auction Factor determines the portion of interest accrued
+              on
+
+              borrows that is sent to the auction module for the rewards
+              auction.
+
               Valid values: 0-1.
         description: Params defines the parameters for the leverage module.
     description: |-

From 9772ef1d02dc0ce8a36809fe26019cdea98a9a8f Mon Sep 17 00:00:00 2001
From: Robert Zaremba <robert@zaremba.ch>
Date: Fri, 19 Apr 2024 15:10:09 +0200
Subject: [PATCH 6/6] update tests

---
 x/leverage/client/tests/tests.go     |  4 ++--
 x/leverage/fixtures/params.go        |  1 +
 x/leverage/keeper/grpc_query_test.go | 13 +++++++------
 x/leverage/keeper/interest_test.go   |  6 +++---
 4 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/x/leverage/client/tests/tests.go b/x/leverage/client/tests/tests.go
index 86373ffd49..2dd9ad55a6 100644
--- a/x/leverage/client/tests/tests.go
+++ b/x/leverage/client/tests/tests.go
@@ -132,8 +132,8 @@ func (s *IntegrationTests) TestLeverageScenario() {
 				OracleHistoricPrice: &oracleSymbolPrice,
 				UTokenExchangeRate:  sdk.OneDec(),
 				// Borrow rate * (1 - ReserveFactor - OracleRewardFactor)
-				// 1.52 * (1 - 0.2 - 0.01) = 1.2008
-				Supply_APY: sdk.MustNewDecFromStr("1.2008"),
+				// 1.52 * (1 - 0.2 - 0.01 - 0.02)
+				Supply_APY: sdk.MustNewDecFromStr("1.1704"),
 				// This is an edge case technically - when effective supply, meaning
 				// module balance + total borrows, is zero, utilization (0/0) is
 				// interpreted as 100% so max borrow rate (152% APY) is used.
diff --git a/x/leverage/fixtures/params.go b/x/leverage/fixtures/params.go
index d609716a92..6f808f3546 100644
--- a/x/leverage/fixtures/params.go
+++ b/x/leverage/fixtures/params.go
@@ -12,6 +12,7 @@ func Params() types.Params {
 		CompleteLiquidationThreshold: sdk.MustNewDecFromStr("0.1"),
 		MinimumCloseFactor:           sdk.MustNewDecFromStr("0.01"),
 		OracleRewardFactor:           sdk.MustNewDecFromStr("0.01"),
+		RewardsAuctionFactor:         sdk.MustNewDecFromStr("0.02"),
 		SmallLiquidationSize:         sdk.MustNewDecFromStr("100.00"),
 		DirectLiquidationFee:         sdk.MustNewDecFromStr("0.1"),
 	}
diff --git a/x/leverage/keeper/grpc_query_test.go b/x/leverage/keeper/grpc_query_test.go
index e819596ec5..9c5ff17b8c 100644
--- a/x/leverage/keeper/grpc_query_test.go
+++ b/x/leverage/keeper/grpc_query_test.go
@@ -76,12 +76,13 @@ func (s *IntegrationTestSuite) TestQuerier_MarketSummary() {
 	oracleSymbolPrice := sdk.MustNewDecFromStr("4.21")
 
 	expected := types.QueryMarketSummaryResponse{
-		SymbolDenom:            "UMEE",
-		Exponent:               6,
-		OraclePrice:            &oracleSymbolPrice,
-		OracleHistoricPrice:    &oracleSymbolPrice,
-		UTokenExchangeRate:     sdk.OneDec(),
-		Supply_APY:             sdk.MustNewDecFromStr("1.2008"),
+		SymbolDenom:         "UMEE",
+		Exponent:            6,
+		OraclePrice:         &oracleSymbolPrice,
+		OracleHistoricPrice: &oracleSymbolPrice,
+		UTokenExchangeRate:  sdk.OneDec(),
+		// see cli/tests "query market summary - zero supply"
+		Supply_APY:             sdk.MustNewDecFromStr("1.1704"),
 		Borrow_APY:             sdk.MustNewDecFromStr("1.52"),
 		Supplied:               sdk.ZeroInt(),
 		Reserved:               sdk.ZeroInt(),
diff --git a/x/leverage/keeper/interest_test.go b/x/leverage/keeper/interest_test.go
index 6b825177cf..8762eadc38 100644
--- a/x/leverage/keeper/interest_test.go
+++ b/x/leverage/keeper/interest_test.go
@@ -37,10 +37,10 @@ func (s *IntegrationTestSuite) TestAccrueZeroInterest() {
 	require.Equal(sdk.MustNewDecFromStr("0.03"), borrowAPY)
 
 	// supply APY when borrow APY is 3%
-	// and utilization is 4%, and reservefactor is 20%, and OracleRewardFactor is 1%
-	// 0.03 * 0.04 * (1 - 0.21) = 0.000948
+	// and utilization is 4%, and reserve factor=20%, OracleRewardFactor=1% RewardsAuctionFactor=2%
+	// 0.03 * 0.04 * (1 - 0.2 - 0.01 - 0.02)
 	supplyAPY := app.LeverageKeeper.DeriveSupplyAPY(ctx, appparams.BondDenom)
-	require.Equal(sdk.MustNewDecFromStr("0.000948"), supplyAPY)
+	require.Equal(sdk.MustNewDecFromStr("0.000924"), supplyAPY)
 }
 
 func (s *IntegrationTestSuite) TestDynamicInterest() {