feat: liquidator query enabled by runtime flag

CHANGELOG.md

@@ -47,8 +47,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ## [Unreleased]
 
 ### Features
-
 - [1555](https://github.com/umee-network/umee/pull/1555) Updates IBC to v5.1.0 that adds adds optional memo field to `FungibleTokenPacketData` and `MsgTransfer`.
+- [1577](https://github.com/umee-network/umee/pull/1577) Removes LIQUIDATOR build flag and adds `--enable-liquidator-query` or `-l` runtime flag to `umeed start`.
 
 ### State Machine Breaking
 

Makefile

@@ -10,7 +10,6 @@ TM_VERSION     := $(shell go list -m github.com/tendermint/tendermint | sed 's:.
 DOCKER         := $(shell which docker)
 PROJECT_NAME   := umee
 HTTPS_GIT      := https://github.com/umee-network/umee.git
-LIQUIDATOR     := $(if $(LIQUIDATOR),true,false)
 
 ###############################################################################
 ##                                  Version                                  ##
@@ -70,8 +69,7 @@ ldflags = -X github.com/cosmos/cosmos-sdk/version.Name=umee \
 		  -X github.com/cosmos/cosmos-sdk/version.Version=$(VERSION) \
 		  -X github.com/cosmos/cosmos-sdk/version.Commit=$(COMMIT) \
 		  -X "github.com/cosmos/cosmos-sdk/version.BuildTags=$(build_tags_comma_sep)" \
-		  -X github.com/tendermint/tendermint/version.TMCoreSemVer=$(TM_VERSION) \
-		  -X github.com/umee-network/umee/v3/x/leverage/keeper.EnableLiquidator=$(LIQUIDATOR)
+		  -X github.com/tendermint/tendermint/version.TMCoreSemVer=$(TM_VERSION)
 
 ifeq ($(LINK_STATICALLY),true)
 	ldflags += -linkmode=external -extldflags "-Wl,-z,muldefs -static"
@@ -97,9 +95,6 @@ build-no_cgo:
 build-linux: go.sum
 	LEDGER_ENABLED=false GOOS=linux GOARCH=amd64 $(MAKE) build
 
-build-liquidator:
-	LIQUIDATOR=true $(MAKE) build
-
 install: go.sum
 	@echo "--> Installing..."
 	go install -mod=readonly $(BUILD_FLAGS) ./...

app/app.go

@@ -442,13 +442,15 @@ func New(
 		distrtypes.ModuleName,
 	)
 	var err error
+	enableLiquidatorQuery := cast.ToBool(appOpts.Get(leveragetypes.FlagEnableLiquidatorQuery))
 	app.LeverageKeeper, err = leveragekeeper.NewKeeper(
 		appCodec,
 		keys[leveragetypes.ModuleName],
 		app.GetSubspace(leveragetypes.ModuleName),
 		app.BankKeeper,
 		app.OracleKeeper,
 		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
+		enableLiquidatorQuery,
 	)
 	if err != nil {
 		panic(err)
@@ -750,8 +752,8 @@ func New(
 }
 
 func (app *UmeeApp) setAnteHandler(txConfig client.TxConfig,
-	wasmConfig *wasmtypes.WasmConfig, wasmStoreKey *storetypes.KVStoreKey) {
-
+	wasmConfig *wasmtypes.WasmConfig, wasmStoreKey *storetypes.KVStoreKey,
+) {
 	anteHandler, err := customante.NewAnteHandler(
 		customante.HandlerOptions{
 			AccountKeeper:     app.AccountKeeper,

cmd/umeed/cmd/root.go

@@ -25,6 +25,7 @@ import (
 
 	umeeapp "github.com/umee-network/umee/v3/app"
 	appparams "github.com/umee-network/umee/v3/app/params"
+	"github.com/umee-network/umee/v3/x/leverage"
 )
 
 // NewRootCmd returns the root command handler for the Umee daemon.
@@ -187,6 +188,7 @@ func initRootCmd(rootCmd *cobra.Command, a appCreator) {
 
 func addModuleInitFlags(startCmd *cobra.Command) {
 	crisis.AddModuleInitFlags(startCmd)
+	leverage.AddModuleInitFlags(startCmd)
 }
 
 func queryCommand(ac appCreator) *cobra.Command {

x/leverage/README.md

@@ -260,6 +260,19 @@ Similarly, `AdjustedTotalBorrowed` is never set independently during regular ope
 
 See [leverage query proto](https://github.com/umee-network/umee/blob/main/proto/umee/leverage/v1/query.proto) for list of supported queries.
 
+Additionally, the query `liquidation-targets` is only enabled if the node is started with a flag:
+
+```bash
+# Enabled
+umeed start --enable-liquidator-query
+
+# Enabled
+umeed start -l
+
+# Disabled
+umeed start
+```
+
 ## Messages
 
 See [leverage tx proto](https://github.com/umee-network/umee/blob/main/proto/umee/leverage/v1/tx.proto#L11) for list of supported messages.

x/leverage/keeper/grpc_query.go

@@ -2,7 +2,6 @@ package keeper
 
 import (
 	"context"
-	"strings"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"google.golang.org/grpc/codes"
@@ -11,9 +10,6 @@ import (
 	"github.com/umee-network/umee/v3/x/leverage/types"
 )
 
-// EnableLiquidator must be set to "true" at compile time to enable QueryLiquidationTargets
-var EnableLiquidator = ""
-
 var _ types.QueryServer = Querier{}
 
 // Querier implements a QueryServer for the x/leverage module.
@@ -241,7 +237,7 @@ func (q Querier) LiquidationTargets(
 		return nil, status.Error(codes.InvalidArgument, "empty request")
 	}
 
-	if strings.ToLower(EnableLiquidator) != "true" {
+	if !q.Keeper.liquidatorQueryEnabled {
 		return nil, types.ErrNotLiquidatorNode
 	}
 

x/leverage/keeper/grpc_query_test.go

@@ -6,7 +6,6 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	"github.com/umee-network/umee/v3/x/leverage/fixtures"
-	"github.com/umee-network/umee/v3/x/leverage/keeper"
 	"github.com/umee-network/umee/v3/x/leverage/types"
 )
 
@@ -120,13 +119,6 @@ func (s *IntegrationTestSuite) TestQuerier_AccountSummary() {
 func (s *IntegrationTestSuite) TestQuerier_LiquidationTargets() {
 	ctx, require := s.ctx, s.Require()
 
-	keeper.EnableLiquidator = "false"
-
-	_, err := s.queryClient.LiquidationTargets(ctx.Context(), &types.QueryLiquidationTargets{})
-	require.ErrorIs(err, types.ErrNotLiquidatorNode)
-
-	keeper.EnableLiquidator = "true"
-
 	resp, err := s.queryClient.LiquidationTargets(ctx.Context(), &types.QueryLiquidationTargets{})
 	require.NoError(err)
 

x/leverage/keeper/internal_test.go

@@ -27,6 +27,7 @@ func NewTestKeeper(
 	bk types.BankKeeper,
 	ok types.OracleKeeper,
 	authority string,
+	enableLiquidatorQuery bool,
 ) (Keeper, TestKeeper) {
 	k, err := NewKeeper(
 		cdc,
@@ -35,6 +36,7 @@ func NewTestKeeper(
 		bk,
 		ok,
 		authority,
+		enableLiquidatorQuery,
 	)
 	require.NoError(err)
 	return k, TestKeeper{&k}

x/leverage/keeper/keeper.go

@@ -15,13 +15,14 @@ import (
 )
 
 type Keeper struct {
-	cdc          codec.Codec
-	storeKey     storetypes.StoreKey
-	paramSpace   paramtypes.Subspace
-	hooks        types.Hooks
-	bankKeeper   types.BankKeeper
-	oracleKeeper types.OracleKeeper
-	authority    string // the gov module account
+	cdc                    codec.Codec
+	storeKey               storetypes.StoreKey
+	paramSpace             paramtypes.Subspace
+	hooks                  types.Hooks
+	bankKeeper             types.BankKeeper
+	oracleKeeper           types.OracleKeeper
+	authority              string // the gov module account
+	liquidatorQueryEnabled bool
 }
 
 func NewKeeper(
@@ -31,19 +32,21 @@ func NewKeeper(
 	bk types.BankKeeper,
 	ok types.OracleKeeper,
 	authority string,
+	enableLiquidatorQuery bool,
 ) (Keeper, error) {
 	// set KeyTable if it has not already been set
 	if !paramSpace.HasKeyTable() {
 		paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
 	}
 
 	return Keeper{
-		cdc:          cdc,
-		storeKey:     storeKey,
-		paramSpace:   paramSpace,
-		bankKeeper:   bk,
-		oracleKeeper: ok,
-		authority:    authority,
+		cdc:                    cdc,
+		storeKey:               storeKey,
+		paramSpace:             paramSpace,
+		bankKeeper:             bk,
+		oracleKeeper:           ok,
+		authority:              authority,
+		liquidatorQueryEnabled: enableLiquidatorQuery,
 	}, nil
 }
 

x/leverage/keeper/suite_test.go

@@ -53,9 +53,6 @@ func (s *IntegrationTestSuite) SetupTest() {
 		Time:    time.Unix(0, 0),
 	})
 
-	// Enable liquidation queries for testing
-	keeper.EnableLiquidator = "true"
-
 	// we only override the Leverage keeper so we can supply a custom mock oracle
 	k, tk := keeper.NewTestKeeper(
 		s.Require(),
@@ -65,6 +62,7 @@ func (s *IntegrationTestSuite) SetupTest() {
 		app.BankKeeper,
 		newMockOracleKeeper(),
 		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
+		true,
 	)
 
 	s.tk = tk

x/leverage/module.go

@@ -183,3 +183,8 @@ func (am AppModule) WeightedOperations(simState module.SimulationState) []simtyp
 		simState.AppParams, simState.Cdc, am.accountKeeper, am.bankKeeper, am.keeper,
 	)
 }
+
+// AddModuleInitFlags implements servertypes.ModuleInitFlags interface.
+func AddModuleInitFlags(startCmd *cobra.Command) {
+	startCmd.Flags().BoolP(types.FlagEnableLiquidatorQuery, "l", false, "enable liquidator query")
+}

x/leverage/types/flag.go

@@ -0,0 +1,3 @@
+package types
+
+const FlagEnableLiquidatorQuery = "enable-liquidator-query"