[Amm]: Improve external liquidity (#898)

* add migration * add logic for multiple external liq ratio * update * fix tests * fix tests * add tests * more coverage * remove external liq from pool params
elys-network · Nov 3, 2024 · 01e3fbf · 01e3fbf
1 parent a2bfd93
commit 01e3fbf
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Showing 52 changed files with 945 additions and 436 deletions.
diff --git a/proto/elys/amm/pool.proto b/proto/elys/amm/pool.proto
@@ -13,7 +13,7 @@ message LegacyPool {
   string address = 2; 
   LegacyPoolParams pool_params = 3 [(gogoproto.nullable) = false]; 
   cosmos.base.v1beta1.Coin total_shares = 4 [(gogoproto.nullable) = false]; 
-  repeated PoolAsset pool_assets = 5 [(gogoproto.nullable) = false]; 
+  repeated LegacyPoolAsset pool_assets = 5 [(gogoproto.nullable) = false]; 
   string total_weight = 6 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int",
     (gogoproto.nullable) = false

diff --git a/proto/elys/amm/pool_asset.proto b/proto/elys/amm/pool_asset.proto
@@ -5,11 +5,24 @@ option go_package = "github.com/elys-network/elys/x/amm/types";
 import "gogoproto/gogo.proto"; 
 import "cosmos/base/v1beta1/coin.proto"; 
 
+message LegacyPoolAsset {
+
+  cosmos.base.v1beta1.Coin token = 1 [(gogoproto.nullable) = false]; 
+  string weight = 2 [
+    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int",
+    (gogoproto.nullable) = false
+  ];
+}
+
 message PoolAsset {
 
   cosmos.base.v1beta1.Coin token = 1 [(gogoproto.nullable) = false]; 
   string weight = 2 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int",
     (gogoproto.nullable) = false
-  ]; 
+  ];
+  string external_liquidity_ratio = 3 [
+    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
+    (gogoproto.nullable) = false
+  ];
 }
diff --git a/proto/elys/amm/pool_params.proto b/proto/elys/amm/pool_params.proto
@@ -20,23 +20,27 @@ message LegacyPoolParams {
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string weight_breaking_fee_exponent = 11 [
+  string weight_breaking_fee_exponent = 5 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string external_liquidity_ratio = 5 [
+  string external_liquidity_ratio = 6 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string weight_recovery_fee_portion = 6 [
+  string weight_recovery_fee_portion = 7 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string threshold_weight_difference = 7 [
+  string threshold_weight_difference = 8 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string fee_denom = 8; // denom for fee collection
+  string weight_breaking_fee_portion = 9 [
+    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
+    (gogoproto.nullable) = false
+  ];
+  string fee_denom = 10; // denom for fee collection
 }
 
 message PoolParams {
@@ -57,21 +61,17 @@ message PoolParams {
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string external_liquidity_ratio = 6 [
-    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
-    (gogoproto.nullable) = false
-  ];
-  string weight_recovery_fee_portion = 7 [
+  string weight_recovery_fee_portion = 6 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string threshold_weight_difference = 8 [
+  string threshold_weight_difference = 7 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string weight_breaking_fee_portion = 9 [
+  string weight_breaking_fee_portion = 8 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
     (gogoproto.nullable) = false
   ];
-  string fee_denom = 10; // denom for fee collection
+  string fee_denom = 9; // denom for fee collection
 }
diff --git a/x/amm/client/cli/query_pool_test.go b/x/amm/client/cli/query_pool_test.go
@@ -37,7 +37,6 @@ func networkWithPoolObjects(t *testing.T, n int) (*network.Network, []types.Pool
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%

diff --git a/x/amm/client/cli/tx_create_pool.go b/x/amm/client/cli/tx_create_pool.go
@@ -17,7 +17,6 @@ const (
 	FlagUseOracle                   = "use-oracle"
 	FlagWeightBreakingFeeMultiplier = "weight-breaking-fee-multiplier"
 	FlagWeightBreakingFeeExponent   = "weight-breaking-fee-exponent"
-	FlagExternalLiquidityRatio      = "extern-liquidity-ratio"
 	FlagWeightRecoveryFeePortion    = "weight-recovery-fee"
 	FlagThresholdWeightDifference   = "threshold-weight-diff"
 	FlagFeeDenom                    = "fee-denom"
@@ -54,9 +53,12 @@ func CmdCreatePool() *cobra.Command {
 					return errors.New("deposit tokens and token weights should have same denom order")
 				}
 
+				// External liquidity ratio initially is set to 1, this value can be changed by feeder only with relevant orderbook liquidity
+				// Setting this ratio to 1 is equivalent to considering only amm liquidity when making swaps
 				poolAssets = append(poolAssets, types.PoolAsset{
-					Weight: argWeights[i].Amount,
-					Token:  argInitialDeposit[i],
+					Weight:                 argWeights[i].Amount,
+					Token:                  argInitialDeposit[i],
+					ExternalLiquidityRatio: sdk.OneDec(),
 				})
 			}
 
@@ -85,11 +87,6 @@ func CmdCreatePool() *cobra.Command {
 				return err
 			}
 
-			externalLiquidityRatioStr, err := cmd.Flags().GetString(FlagExternalLiquidityRatio)
-			if err != nil {
-				return err
-			}
-
 			weightRecoveryFeePortionStr, err := cmd.Flags().GetString(FlagWeightRecoveryFeePortion)
 			if err != nil {
 				return err
@@ -111,7 +108,6 @@ func CmdCreatePool() *cobra.Command {
 				UseOracle:                   useOracle,
 				WeightBreakingFeeMultiplier: sdk.MustNewDecFromStr(weightBreakingFeeMultiplierStr),
 				WeightBreakingFeeExponent:   sdk.MustNewDecFromStr(weightBreakingFeeExponentStr),
-				ExternalLiquidityRatio:      sdk.MustNewDecFromStr(externalLiquidityRatioStr),
 				WeightRecoveryFeePortion:    sdk.MustNewDecFromStr(weightRecoveryFeePortionStr),
 				ThresholdWeightDifference:   sdk.MustNewDecFromStr(thresholdWeightDifferenceStr),
 				FeeDenom:                    feeDenom,
@@ -136,7 +132,6 @@ func CmdCreatePool() *cobra.Command {
 	cmd.Flags().Bool(FlagUseOracle, false, "flag to be an oracle pool or non-oracle pool")
 	cmd.Flags().String(FlagWeightBreakingFeeMultiplier, "0.00", "weight breaking fee multiplier")
 	cmd.Flags().String(FlagWeightBreakingFeeExponent, "2.50", "weight breaking fee exponent")
-	cmd.Flags().String(FlagExternalLiquidityRatio, "0.00", "external liquidity ratio - valid for oracle pools")
 	cmd.Flags().String(FlagWeightRecoveryFeePortion, "0.10", "weight recovery fee portion")
 	cmd.Flags().String(FlagThresholdWeightDifference, "0.00", "threshold weight difference - valid for oracle pool")
 	cmd.Flags().String(FlagFeeDenom, "", "fee denom")

diff --git a/x/amm/client/cli/tx_update_pool_params.go b/x/amm/client/cli/tx_update_pool_params.go
@@ -47,11 +47,6 @@ func CmdUpdatePoolParams() *cobra.Command {
 				return err
 			}
 
-			externalLiquidityRatioStr, err := cmd.Flags().GetString(FlagExternalLiquidityRatio)
-			if err != nil {
-				return err
-			}
-
 			weightRecoveryFeePortionStr, err := cmd.Flags().GetString(FlagWeightRecoveryFeePortion)
 			if err != nil {
 				return err
@@ -73,7 +68,6 @@ func CmdUpdatePoolParams() *cobra.Command {
 				UseOracle:                   useOracle,
 				WeightBreakingFeeMultiplier: sdk.MustNewDecFromStr(weightBreakingFeeMultiplierStr),
 				WeightBreakingFeeExponent:   sdk.MustNewDecFromStr(weightBreakingFeeExponentStr),
-				ExternalLiquidityRatio:      sdk.MustNewDecFromStr(externalLiquidityRatioStr),
 				WeightRecoveryFeePortion:    sdk.MustNewDecFromStr(weightRecoveryFeePortionStr),
 				ThresholdWeightDifference:   sdk.MustNewDecFromStr(thresholdWeightDifferenceStr),
 				FeeDenom:                    feeDenom,
@@ -103,7 +97,6 @@ func CmdUpdatePoolParams() *cobra.Command {
 	cmd.Flags().Bool(FlagUseOracle, false, "flag to be an oracle pool or non-oracle pool")
 	cmd.Flags().String(FlagWeightBreakingFeeExponent, "0.00", "weight breaking fee exponent")
 	cmd.Flags().String(FlagWeightBreakingFeeMultiplier, "0.00", "weight breaking fee multiplier")
-	cmd.Flags().String(FlagExternalLiquidityRatio, "0.00", "external liquidity ratio - valid for oracle pools")
 	cmd.Flags().String(FlagWeightRecoveryFeePortion, "0.00", "weight recovery fee portion")
 	cmd.Flags().String(FlagThresholdWeightDifference, "0.00", "threshold weight difference - valid for oracle pool")
 	cmd.Flags().String(FlagFeeDenom, "", "fee denom")

diff --git a/x/amm/keeper/apply_exit_pool_state_change_test.go b/x/amm/keeper/apply_exit_pool_state_change_test.go
@@ -50,7 +50,6 @@ func (suite *KeeperTestSuite) TestApplyExitPoolStateChange_WithdrawFromCommitmen
 		UseOracle:                   true,
 		WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 		WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-		ExternalLiquidityRatio:      sdk.NewDec(1),
 		WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 		ThresholdWeightDifference:   sdk.ZeroDec(),
 		FeeDenom:                    ptypes.BaseCurrency,

diff --git a/x/amm/keeper/calc_in_route_spot_price_test.go b/x/amm/keeper/calc_in_route_spot_price_test.go
@@ -45,7 +45,6 @@ func (suite *KeeperTestSuite) TestCalcInRouteSpotPrice() {
 		RebalanceTreasury: treasuryAddr.String(),
 		PoolParams: types.PoolParams{
 			UseOracle:                   false,
-			ExternalLiquidityRatio:      sdk.NewDec(2),
 			WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 			WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
 			WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%

diff --git a/x/amm/keeper/calc_out_route_spot_price_test.go b/x/amm/keeper/calc_out_route_spot_price_test.go
@@ -45,7 +45,6 @@ func (suite *KeeperTestSuite) TestCalcOutRouteSpotPrice() {
 		RebalanceTreasury: treasuryAddr.String(),
 		PoolParams: types.PoolParams{
 			UseOracle:                   false,
-			ExternalLiquidityRatio:      sdk.NewDec(2),
 			WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 			WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
 			WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%

diff --git a/x/amm/keeper/calc_swap_estimation_by_denom_test.go b/x/amm/keeper/calc_swap_estimation_by_denom_test.go
@@ -45,7 +45,6 @@ func (suite *KeeperTestSuite) TestCalcSwapEstimationByDenom() {
 		RebalanceTreasury: treasuryAddr.String(),
 		PoolParams: types.PoolParams{
 			UseOracle:                   false,
-			ExternalLiquidityRatio:      sdk.NewDec(2),
 			WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 			WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
 			WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%

diff --git a/x/amm/keeper/fee_test.go b/x/amm/keeper/fee_test.go
@@ -89,7 +89,6 @@ func (suite *KeeperTestSuite) TestOnCollectFee() {
 					UseOracle:                   false,
 					WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 					WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-					ExternalLiquidityRatio:      sdk.NewDec(1),
 					WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 					ThresholdWeightDifference:   sdk.ZeroDec(),
 					FeeDenom:                    ptypes.BaseCurrency,
@@ -186,7 +185,6 @@ func (suite *KeeperTestSuite) TestSwapFeesToRevenueToken() {
 					UseOracle:                   false,
 					WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 					WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-					ExternalLiquidityRatio:      sdk.NewDec(1),
 					WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 					ThresholdWeightDifference:   sdk.ZeroDec(),
 					FeeDenom:                    ptypes.BaseCurrency,

diff --git a/x/amm/keeper/keeper_swap_exact_amount_in_test.go b/x/amm/keeper/keeper_swap_exact_amount_in_test.go
@@ -222,7 +222,6 @@ func (suite *KeeperTestSuite) TestSwapExactAmountIn() {
 				RebalanceTreasury: treasuryAddr.String(),
 				PoolParams: types.PoolParams{
 					UseOracle:                   tc.isOraclePool,
-					ExternalLiquidityRatio:      sdk.NewDec(2),
 					WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 					WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
 					WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
@@ -233,12 +232,14 @@ func (suite *KeeperTestSuite) TestSwapExactAmountIn() {
 				TotalShares: sdk.Coin{},
 				PoolAssets: []types.PoolAsset{
 					{
-						Token:  tc.poolInitBalance[0],
-						Weight: sdk.NewInt(10),
+						Token:                  tc.poolInitBalance[0],
+						Weight:                 sdk.NewInt(10),
+						ExternalLiquidityRatio: sdk.NewDec(2),
 					},
 					{
-						Token:  tc.poolInitBalance[1],
-						Weight: sdk.NewInt(10),
+						Token:                  tc.poolInitBalance[1],
+						Weight:                 sdk.NewInt(10),
+						ExternalLiquidityRatio: sdk.NewDec(2),
 					},
 				},
 				TotalWeight: sdk.ZeroInt(),

diff --git a/x/amm/keeper/keeper_swap_exact_amount_out_test.go b/x/amm/keeper/keeper_swap_exact_amount_out_test.go
@@ -213,7 +213,6 @@ func (suite *KeeperTestSuite) TestSwapExactAmountOut() {
 				RebalanceTreasury: treasuryAddr.String(),
 				PoolParams: types.PoolParams{
 					UseOracle:                   tc.isOraclePool,
-					ExternalLiquidityRatio:      sdk.NewDec(2),
 					WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 					WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
 					WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
@@ -224,12 +223,14 @@ func (suite *KeeperTestSuite) TestSwapExactAmountOut() {
 				TotalShares: sdk.Coin{},
 				PoolAssets: []types.PoolAsset{
 					{
-						Token:  tc.poolInitBalance[0],
-						Weight: sdk.NewInt(10),
+						Token:                  tc.poolInitBalance[0],
+						Weight:                 sdk.NewInt(10),
+						ExternalLiquidityRatio: sdk.NewDec(2),
 					},
 					{
-						Token:  tc.poolInitBalance[1],
-						Weight: sdk.NewInt(10),
+						Token:                  tc.poolInitBalance[1],
+						Weight:                 sdk.NewInt(10),
+						ExternalLiquidityRatio: sdk.NewDec(2),
 					},
 				},
 				TotalWeight: sdk.ZeroInt(),

diff --git a/x/amm/keeper/msg_server_create_pool_test.go b/x/amm/keeper/msg_server_create_pool_test.go
@@ -31,7 +31,6 @@ func (suite *KeeperTestSuite) TestMsgServerCreatePool() {
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%
@@ -61,7 +60,6 @@ func (suite *KeeperTestSuite) TestMsgServerCreatePool() {
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%
@@ -91,7 +89,6 @@ func (suite *KeeperTestSuite) TestMsgServerCreatePool() {
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%
@@ -121,7 +118,6 @@ func (suite *KeeperTestSuite) TestMsgServerCreatePool() {
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%
@@ -151,7 +147,6 @@ func (suite *KeeperTestSuite) TestMsgServerCreatePool() {
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%

diff --git a/x/amm/keeper/msg_server_exit_pool_test.go b/x/amm/keeper/msg_server_exit_pool_test.go
@@ -33,7 +33,6 @@ func (suite *KeeperTestSuite) TestMsgServerExitPool() {
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%
@@ -54,7 +53,6 @@ func (suite *KeeperTestSuite) TestMsgServerExitPool() {
 				UseOracle:                   false,
 				WeightBreakingFeeMultiplier: sdk.ZeroDec(),
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.ZeroDec(),
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%
@@ -75,7 +73,6 @@ func (suite *KeeperTestSuite) TestMsgServerExitPool() {
 				UseOracle:                   true,
 				WeightBreakingFeeMultiplier: sdk.NewDecWithPrec(1, 2),  // 0.01
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.NewDecWithPrec(2, 1),  // 20%
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%
@@ -97,7 +94,6 @@ func (suite *KeeperTestSuite) TestMsgServerExitPool() {
 				UseOracle:                   true,
 				WeightBreakingFeeMultiplier: sdk.NewDecWithPrec(1, 2),  // 0.01
 				WeightBreakingFeeExponent:   sdk.NewDecWithPrec(25, 1), // 2.5
-				ExternalLiquidityRatio:      sdk.NewDec(1),
 				WeightRecoveryFeePortion:    sdk.NewDecWithPrec(10, 2), // 10%
 				ThresholdWeightDifference:   sdk.NewDecWithPrec(2, 1),  // 20%
 				WeightBreakingFeePortion:    sdk.NewDecWithPrec(50, 2), // 50%