feat(x/cdp): update begin bloocker to run liquidations every X blocks based off params (#1818)

* (feat) update x/cdp to run every X blocks based off params (#1814) * add new cdp module param to protonet genesis * update cdp / cdp related tests for new module param * update telemetry docs and setup for collecting against local node * update kvool commit for new cdp param (cherry picked from commit 4d62f47773) * add tests for configurable x/cdp begin blocker interval param add migration for default value of param * make adjustments based off pr feedback * fix proto back compat check
2024-12-24 15:25:18 +00:00 · 2024-02-02 08:21:11 -10:00 · 2024-02-02 08:21:11 -10:00 · c59a491788
commit c59a491788
parent 2bccb6deaf
31 changed files with 682 additions and 956 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -39,6 +39,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Features

 - (cli) [#1785] Add `shard` CLI command to support creating partitions of data for standalone nodes
+- (cdp) [#1818] Add module param and logic for running x/cdp begin blocker every `n` blocks
 - (cli) [#1804] Add `rocksdb compact` command for manual DB compaction of state or blockstore.

 ## [v0.25.0]
@ -69,6 +70,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ## [v0.24.3]

 ### Bug Fixes
+
 - (deps) [#1770] Bump ledger-cosmos-go to v0.13.1 to resolve signing error with
 - (rocksdb) [#1767] Fix resolution of rocksdb database path introduced in v0.24.2

@ -324,7 +326,6 @@ the [changelog](https://github.com/cosmos/cosmos-sdk/blob/v0.38.4/CHANGELOG.md).
 [#1804]: https://github.com/Kava-Labs/kava/pull/1804
 [#1785]: https://github.com/Kava-Labs/kava/pull/1785
 [#1784]: https://github.com/Kava-Labs/kava/pull/1784
-[#1776]: https://github.com/Kava-Labs/kava/pull/1776
 [#1770]: https://github.com/Kava-Labs/kava/pull/1770
 [#1755]: https://github.com/Kava-Labs/kava/pull/1755
 [#1761]: https://github.com/Kava-Labs/kava/pull/1761
@ -384,7 +385,6 @@ the [changelog](https://github.com/cosmos/cosmos-sdk/blob/v0.38.4/CHANGELOG.md).
 [v0.24.1]: https://github.com/Kava-Labs/kava/compare/v0.24.1...v0.24.0
 [v0.24.0]: https://github.com/Kava-Labs/kava/compare/v0.24.0...v0.23.2
 [v0.23.2]: https://github.com/Kava-Labs/kava/compare/v0.23.1...v0.23.2
-[v0.23.1]: https://github.com/Kava-Labs/kava/compare/v0.23.0...v0.23.1
 [v0.23.0]: https://github.com/Kava-Labs/kava/compare/v0.21.1...v0.23.0
 [v0.16.1]: https://github.com/Kava-Labs/kava/compare/v0.16.0...v0.16.1
 [v0.16.0]: https://github.com/Kava-Labs/kava/compare/v0.15.2...v0.16.0
--- a/1
+++ b/1
@ -330,6 +330,7 @@ start-remote-sims:
 		-—container-override environment=[{SIM_NAME=master-$(VERSION)}]

 update-kvtool:
+	git submodule init || true
 	git submodule update
 	cd tests/e2e/kvtool && make install

--- a/ci/env/kava-protonet/genesis.json
+++ b/ci/env/kava-protonet/genesis.json
@ -837,6 +837,7 @@
      "gov_denom": "ukava",
      "params": {
        "circuit_breaker": false,
+        "liquidation_block_interval": 500,
        "collateral_params": [
          {
            "auction_size": "50000000000",
--- a/client/docs/swagger-ui/swagger.yaml
+++ b/client/docs/swagger-ui/swagger.yaml
@ -3505,6 +3505,9 @@ paths:
                    type: string
                  circuit_breaker:
                    type: boolean
+                  liquidation_block_interval:
+                    type: string
+                    format: int64
                description: Params defines the parameters for the cdp module.
            description: >-
              QueryParamsResponse defines the response type for the Query/Params
@ -51628,6 +51631,9 @@ definitions:
        type: string
      circuit_breaker:
        type: boolean
+      liquidation_block_interval:
+        type: string
+        format: int64
    description: Params defines the parameters for the cdp module.
  kava.cdp.v1beta1.QueryAccountsResponse:
    type: object
@ -52161,6 +52167,9 @@ definitions:
            type: string
          circuit_breaker:
            type: boolean
+          liquidation_block_interval:
+            type: string
+            format: int64
        description: Params defines the parameters for the cdp module.
    description: >-
      QueryParamsResponse defines the response type for the Query/Params RPC
--- a/docs/Telemetry.md
+++ b/docs/Telemetry.md
@ -38,10 +38,10 @@ Then restart the service with the updated settings

 ## Running local prometheus collector and grafana services

-To collect app metrics and visualize them locally, you can run the prometheus collector and grafana services with docker compose from the repo root directory
+To collect app metrics and visualize them locally, you can run the prometheus collector and grafana services with docker compose from the repo root directory (after updating `config.toml` and `app.toml` as detailed above)

 ```bash
-docker compose -f prometheus.docker-compose.yml
+docker compose -f prometheus.docker-compose.yml up
 ```

 Navigate to localhost:3000 to view the grafana unix
@ -54,13 +54,13 @@ See [grafana docs](https://grafana.com/docs/grafana/latest/dashboards/) for info

 ### Collecting from local host

-Update [prometheus config](../prometheus.yml) to collect metrics from your local source
+Update [prometheus config](../prometheus.yml) to collect metrics from your local source, where the port matches the value set for `config.toml/instrumentation.prometheus_listen_addr`

 ```yaml
  metrics_path: /
  static_configs:
    - targets:
-      - localhost:8888
+      - docker-host:8888
 ```

 ### Collecting from remote host
--- a/docs/core/proto-docs.md
+++ b/docs/core/proto-docs.md
@ -1681,6 +1681,7 @@ Params defines the parameters for the cdp module.
 | `debt_auction_threshold` | [string](#string) |  |  |
 | `debt_auction_lot` | [string](#string) |  |  |
 | `circuit_breaker` | [bool](#bool) |  |  |
+| `liquidation_block_interval` | [int64](#int64) |  |  |



--- a/prometheus.docker-compose.yml
+++ b/prometheus.docker-compose.yml
@ -34,3 +34,10 @@ services:
      - 9090
    networks:
      - monitoring
+  docker-host:
+    image: qoomon/docker-host
+    cap_add: [ 'NET_ADMIN', 'NET_RAW' ]
+    mem_limit: 8M
+    restart: on-failure
+    networks:
+      - monitoring
--- a/prometheus.yml
+++ b/prometheus.yml
@ -3,8 +3,7 @@ global:
  evaluation_interval: 15s
 scrape_configs:
 - job_name: proxy
-  scheme: https
  metrics_path: /
  static_configs:
    - targets:
-      - 4efb-18-207-102-158.ngrok-free.app
+      - docker-host:8888
--- a/proto/kava/cdp/v1beta1/genesis.proto
+++ b/proto/kava/cdp/v1beta1/genesis.proto
@ -66,6 +66,8 @@ message Params {
    (gogoproto.nullable) = false
  ];
  bool circuit_breaker = 8;
+
+  int64 liquidation_block_interval = 9;
 }

 // DebtParam defines governance params for debt assets
--- a/tests/e2e/kvtool
+++ b/tests/e2e/kvtool
@ -1 +1 @@
-Subproject commit e1085562d203fd81c5dd8576170b29715b2de9ef
+Subproject commit 99214e8b5196b9ab16fa9902f956858c178921a5
--- a/x/cdp/abci.go
+++ b/x/cdp/abci.go
@ -2,6 +2,7 @@ package cdp

 import (
 	"errors"
+	"fmt"
 	"time"

 	"github.com/cosmos/cosmos-sdk/telemetry"
@ -20,6 +21,9 @@ func BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock, k keeper.Keeper)

 	params := k.GetParams(ctx)

+	// only run CDP liquidations every `LiquidationBlockInterval` blocks
+	skipSyncronizeAndLiquidations := ctx.BlockHeight()%params.LiquidationBlockInterval != 0
+
 	for _, cp := range params.CollateralParams {
 		ok := k.UpdatePricefeedStatus(ctx, cp.SpotMarketID)
 		if !ok {
@ -36,6 +40,13 @@ func BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock, k keeper.Keeper)
 			panic(err)
 		}

+		if skipSyncronizeAndLiquidations {
+			ctx.Logger().Debug(fmt.Sprintf("skipping x/cdp SynchronizeInterestForRiskyCDPs and LiquidateCdps for %s", cp.Type))
+			return
+		}
+
+		ctx.Logger().Debug(fmt.Sprintf("running x/cdp SynchronizeInterestForRiskyCDPs and LiquidateCdps for %s", cp.Type))
+
 		err = k.SynchronizeInterestForRiskyCDPs(ctx, cp.CheckCollateralizationIndexCount, sdk.MaxSortableDec, cp.Type)
 		if err != nil {
 			panic(err)
--- a/x/cdp/abci_test.go
+++ b/x/cdp/abci_test.go
@ -79,10 +79,13 @@ func (suite *ModuleTestSuite) createCdps() {
 	suite.app = tApp
 	suite.keeper = tApp.GetCDPKeeper()

+	// create 100 cdps
 	for j := 0; j < 100; j++ {
+		// 50 of the cdps will be collateralized with xrp
 		collateral := "xrp"
 		amount := 10000000000
 		debt := simulation.RandIntBetween(rand.New(rand.NewSource(int64(j))), 750000000, 1249000000)
+		// the other half (50) will be collateralized with btc
 		if j%2 == 0 {
 			collateral = "btc"
 			amount = 100000000
@ -122,37 +125,81 @@ func (suite *ModuleTestSuite) setPrice(price sdk.Dec, market string) {
 }

 func (suite *ModuleTestSuite) TestBeginBlock() {
+	// test setup, creating
+	// 50 xrp cdps each with
+	// collateral: 10000000000
+	// debt: between 750000000 - 1249000000
+	// if debt above 10000000000,
+	//     cdp added to tracker / liquidation list
+	//     debt total added to trackers debt total
+	// 50 btc cdps each with
+	// collateral: 10000000000
+	// debt: between 2700000000 - 5332000000
+	// if debt above 4000000000,
+	//     cdp added to tracker / liquidation list
+	//     debt total added to trackers debt total
+
+	// naively we expect roughly half of the cdps to be above the debt tracking floor, roughly 25 of them collaterallized with xrp, the other 25 with btcb
+
+	// usdx is the principal for all cdps
 	suite.createCdps()
 	ak := suite.app.GetAccountKeeper()
 	bk := suite.app.GetBankKeeper()

+	// test case 1 setup
 	acc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
+	// track how much xrp collateral exists in the cdp module
 	originalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
+	// set the trading price for xrp:usd pools
 	suite.setPrice(d("0.2"), "xrp:usd")
+
+	// test case 1 execution
 	cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
+
+	// test case 1 assert
 	acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
+	// get the current amount of xrp held by the cdp module
 	finalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
 	seizedXrpCollateral := originalXrpCollateral.Sub(finalXrpCollateral)
+	// calculate the number of cdps that were liquidated based on the total
+	// seized collateral divided by the size of each cdp when it was created
 	xrpLiquidations := int(seizedXrpCollateral.Quo(i(10000000000)).Int64())
+	// should be 10 because...?
 	suite.Equal(10, xrpLiquidations)

+	// btc collateral test case setup
 	acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
 	originalBtcCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "btc").Amount
+	// set the trading price for btc:usd pools
 	suite.setPrice(d("6000"), "btc:usd")
+
+	// btc collateral test case execution
 	cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
+
+	// btc collateral test case assertion 1
 	acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
 	finalBtcCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "btc").Amount
 	seizedBtcCollateral := originalBtcCollateral.Sub(finalBtcCollateral)
+	// calculate the number of btc cdps that were liquidated based on the
+	// total seized collateral divided by the fixed size of each cdp
+	// when it was created during test setup
 	btcLiquidations := int(seizedBtcCollateral.Quo(i(100000000)).Int64())
 	suite.Equal(10, btcLiquidations)

+	// btc collateral test case assertion 2
+	// test that the auction module has a balance equal to the amount of collateral seized
 	acc = ak.GetModuleAccount(suite.ctx, auctiontypes.ModuleName)
+	// should be this exact value because...?
 	suite.Equal(int64(71955653865), bk.GetBalance(suite.ctx, acc.GetAddress(), "debt").Amount.Int64())
 }

 func (suite *ModuleTestSuite) TestSeizeSingleCdpWithFees() {
+	// test setup
+	// starting with zero cdps, add a single cdp of
+	// xrp backed 1:1 with usdx
 	err := suite.keeper.AddCdp(suite.ctx, suite.addrs[0], c("xrp", 10000000000), c("usdx", 1000000000), "xrp-a")
 	suite.NoError(err)
+	// verify the total value of all assets in cdps composed of xrp-a/usdx pair equals the amount of the single cdp we just added above
 	suite.Equal(i(1000000000), suite.keeper.GetTotalPrincipal(suite.ctx, "xrp-a", "usdx"))
 	ak := suite.app.GetAccountKeeper()
 	bk := suite.app.GetBankKeeper()
@ -174,6 +221,73 @@ func (suite *ModuleTestSuite) TestSeizeSingleCdpWithFees() {
 	suite.False(found)
 }

+func (suite *ModuleTestSuite) TestCDPBeginBlockerRunsOnlyOnConfiguredInterval() {
+	// test setup, creating
+	// 50 xrp cdps each with
+	// collateral: 10000000000
+	// debt: between 750000000 - 1249000000
+	// if debt above 10000000000,
+	//     cdp added to tracker / liquidation list
+	//     debt total added to trackers debt total
+	// 50 btc cdps each with
+	// collateral: 10000000000
+	// debt: between 2700000000 - 5332000000
+	// if debt above 4000000000,
+	//     cdp added to tracker / liquidation list
+	//     debt total added to trackers debt total
+
+	// naively we expect roughly half of the cdps to be above the debt tracking floor, roughly 25 of them collaterallized with xrp, the other 25 with btcb
+
+	// usdx is the principal for all cdps
+	suite.createCdps()
+	ak := suite.app.GetAccountKeeper()
+	bk := suite.app.GetBankKeeper()
+
+	// set the cdp begin blocker to run every other block
+	params := suite.keeper.GetParams(suite.ctx)
+	params.LiquidationBlockInterval = 2
+	suite.keeper.SetParams(suite.ctx, params)
+
+	// test case 1 setup
+	acc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
+	// track how much xrp collateral exists in the cdp module
+	originalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
+	// set the trading price for xrp:usd pools
+	suite.setPrice(d("0.2"), "xrp:usd")
+
+	// test case 1 execution
+	cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
+
+	// test case 1 assert
+	acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
+	// get the current amount of xrp held by the cdp module
+	finalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
+	seizedXrpCollateral := originalXrpCollateral.Sub(finalXrpCollateral)
+	// calculate the number of cdps that were liquidated based on the total
+	// seized collateral divided by the size of each cdp when it was created
+	xrpLiquidations := int(seizedXrpCollateral.Quo(i(10000000000)).Int64())
+	// should be 0 because the cdp begin blocker is configured to
+	// skip execution every odd numbered block
+	suite.Equal(0, xrpLiquidations, "expected cdp begin blocker not to run liqudations")
+
+	// test case 2 setup
+	// simulate running the second block of the chain
+	suite.ctx = suite.ctx.WithBlockHeight(2)
+
+	// test case 2 execution
+	cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
+
+	// test case 2 assert
+	acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
+	// get the current amount of xrp held by the cdp module
+	finalXrpCollateral = bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
+	seizedXrpCollateral = originalXrpCollateral.Sub(finalXrpCollateral)
+	// calculate the number of cdps that were liquidated based on the total
+	// seized collateral divided by the size of each cdp when it was created
+	xrpLiquidations = int(seizedXrpCollateral.Quo(i(10000000000)).Int64())
+	suite.Greater(xrpLiquidations, 0, "expected cdp begin blocker to run liquidations")
+}
+
 func TestModuleTestSuite(t *testing.T) {
 	suite.Run(t, new(ModuleTestSuite))
 }
--- a/x/cdp/genesis_test.go
+++ b/x/cdp/genesis_test.go
@ -205,11 +205,12 @@ func (suite *GenesisTestSuite) Test_InitExportGenesis() {

 	cdpGenesis := types.GenesisState{
 		Params: types.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 1000000000000),
-			SurplusAuctionThreshold: types.DefaultSurplusThreshold,
-			SurplusAuctionLot:       types.DefaultSurplusLot,
-			DebtAuctionThreshold:    types.DefaultDebtThreshold,
-			DebtAuctionLot:          types.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 1000000000000),
+			SurplusAuctionThreshold:  types.DefaultSurplusThreshold,
+			SurplusAuctionLot:        types.DefaultSurplusLot,
+			DebtAuctionThreshold:     types.DefaultDebtThreshold,
+			DebtAuctionLot:           types.DefaultDebtLot,
+			LiquidationBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: types.CollateralParams{
 				{
 					Denom:                            "xrp",
--- a/x/cdp/integration_test.go
+++ b/x/cdp/integration_test.go
@ -113,11 +113,12 @@ func NewPricefeedGenStateMulti(cdc codec.JSONCodec) app.GenesisState {
 func NewCDPGenStateMulti(cdc codec.JSONCodec) app.GenesisState {
 	cdpGenesis := types.GenesisState{
 		Params: types.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 1000000000000),
-			SurplusAuctionThreshold: types.DefaultSurplusThreshold,
-			SurplusAuctionLot:       types.DefaultSurplusLot,
-			DebtAuctionThreshold:    types.DefaultDebtThreshold,
-			DebtAuctionLot:          types.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 1000000000000),
+			SurplusAuctionThreshold:  types.DefaultSurplusThreshold,
+			SurplusAuctionLot:        types.DefaultSurplusLot,
+			DebtAuctionThreshold:     types.DefaultDebtThreshold,
+			DebtAuctionLot:           types.DefaultDebtLot,
+			LiquidationBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: types.CollateralParams{
 				{
 					Denom:                            "xrp",
--- a/x/cdp/keeper/integration_test.go
+++ b/x/cdp/keeper/integration_test.go
@ -42,11 +42,12 @@ func NewPricefeedGenState(cdc codec.JSONCodec, asset string, price sdk.Dec) app.
 func NewCDPGenState(cdc codec.JSONCodec, asset string, liquidationRatio sdk.Dec) app.GenesisState {
 	cdpGenesis := types.GenesisState{
 		Params: types.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 1000000000000),
-			SurplusAuctionThreshold: types.DefaultSurplusThreshold,
-			SurplusAuctionLot:       types.DefaultSurplusLot,
-			DebtAuctionThreshold:    types.DefaultDebtThreshold,
-			DebtAuctionLot:          types.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 1000000000000),
+			SurplusAuctionThreshold:  types.DefaultSurplusThreshold,
+			SurplusAuctionLot:        types.DefaultSurplusLot,
+			DebtAuctionThreshold:     types.DefaultDebtThreshold,
+			DebtAuctionLot:           types.DefaultDebtLot,
+			LiquidationBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: types.CollateralParams{
 				{
 					Denom:                            asset,
@ -155,11 +156,12 @@ func NewPricefeedGenStateMulti(cdc codec.JSONCodec) app.GenesisState {
 func NewCDPGenStateMulti(cdc codec.JSONCodec) app.GenesisState {
 	cdpGenesis := types.GenesisState{
 		Params: types.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 2000000000000),
-			SurplusAuctionThreshold: types.DefaultSurplusThreshold,
-			SurplusAuctionLot:       types.DefaultSurplusLot,
-			DebtAuctionThreshold:    types.DefaultDebtThreshold,
-			DebtAuctionLot:          types.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 2000000000000),
+			SurplusAuctionThreshold:  types.DefaultSurplusThreshold,
+			SurplusAuctionLot:        types.DefaultSurplusLot,
+			DebtAuctionThreshold:     types.DefaultDebtThreshold,
+			DebtAuctionLot:           types.DefaultDebtLot,
+			LiquidationBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: types.CollateralParams{
 				{
 					Denom:                            "xrp",
@ -248,11 +250,12 @@ func NewCDPGenStateMulti(cdc codec.JSONCodec) app.GenesisState {
 func NewCDPGenStateHighDebtLimit(cdc codec.JSONCodec) app.GenesisState {
 	cdpGenesis := types.GenesisState{
 		Params: types.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 100000000000000),
-			SurplusAuctionThreshold: types.DefaultSurplusThreshold,
-			SurplusAuctionLot:       types.DefaultSurplusLot,
-			DebtAuctionThreshold:    types.DefaultDebtThreshold,
-			DebtAuctionLot:          types.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 100000000000000),
+			SurplusAuctionThreshold:  types.DefaultSurplusThreshold,
+			SurplusAuctionLot:        types.DefaultSurplusLot,
+			DebtAuctionThreshold:     types.DefaultDebtThreshold,
+			DebtAuctionLot:           types.DefaultDebtLot,
+			LiquidationBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: types.CollateralParams{
 				{
 					Denom:                            "xrp",
--- a/x/cdp/keeper/migrations.go
+++ b/x/cdp/keeper/migrations.go
@ -0,0 +1,23 @@
+package keeper
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	v2 "github.com/kava-labs/kava/x/cdp/migrations/v2"
+)
+
+// Migrator is a struct for handling in-place store migrations.
+type Migrator struct {
+	keeper Keeper
+}
+
+// NewMigrator returns a new Migrator.
+func NewMigrator(keeper Keeper) Migrator {
+	return Migrator{
+		keeper: keeper,
+	}
+}
+
+// Migrate1to2 migrates from version 1 to 2.
+func (m Migrator) Migrate1to2(ctx sdk.Context) error {
+	return v2.MigrateStore(ctx, m.keeper.paramSubspace)
+}
--- a/x/cdp/keeper/params.go
+++ b/x/cdp/keeper/params.go
@ -12,7 +12,7 @@ import (
 // GetParams returns the params from the store
 func (k Keeper) GetParams(ctx sdk.Context) types.Params {
 	var p types.Params
-	k.paramSubspace.GetParamSet(ctx, &p)
+	k.paramSubspace.GetParamSetIfExists(ctx, &p)
 	return p
 }

--- a/x/cdp/legacy/v0_15/types.go
+++ b/x/cdp/legacy/v0_15/types.go
@ -1,109 +0,0 @@
-package v0_15
-
-import (
-	"time"
-
-	sdkmath "cosmossdk.io/math"
-	sdk "github.com/cosmos/cosmos-sdk/types"
-)
-
-const (
-	// ModuleName The name that will be used throughout the module
-	ModuleName = "cdp"
-)
-
-// GenesisState is the state that must be provided at genesis.
-type GenesisState struct {
-	Params                    Params                   `json:"params" yaml:"params"`
-	CDPs                      CDPs                     `json:"cdps" yaml:"cdps"`
-	Deposits                  Deposits                 `json:"deposits" yaml:"deposits"`
-	StartingCdpID             uint64                   `json:"starting_cdp_id" yaml:"starting_cdp_id"`
-	DebtDenom                 string                   `json:"debt_denom" yaml:"debt_denom"`
-	GovDenom                  string                   `json:"gov_denom" yaml:"gov_denom"`
-	PreviousAccumulationTimes GenesisAccumulationTimes `json:"previous_accumulation_times" yaml:"previous_accumulation_times"`
-	TotalPrincipals           GenesisTotalPrincipals   `json:"total_principals" yaml:"total_principals"`
-}
-
-// Params governance parameters for cdp module
-type Params struct {
-	CollateralParams        CollateralParams `json:"collateral_params" yaml:"collateral_params"`
-	DebtParam               DebtParam        `json:"debt_param" yaml:"debt_param"`
-	GlobalDebtLimit         sdk.Coin         `json:"global_debt_limit" yaml:"global_debt_limit"`
-	SurplusAuctionThreshold sdkmath.Int      `json:"surplus_auction_threshold" yaml:"surplus_auction_threshold"`
-	SurplusAuctionLot       sdkmath.Int      `json:"surplus_auction_lot" yaml:"surplus_auction_lot"`
-	DebtAuctionThreshold    sdkmath.Int      `json:"debt_auction_threshold" yaml:"debt_auction_threshold"`
-	DebtAuctionLot          sdkmath.Int      `json:"debt_auction_lot" yaml:"debt_auction_lot"`
-	CircuitBreaker          bool             `json:"circuit_breaker" yaml:"circuit_breaker"`
-}
-
-// CollateralParams array of CollateralParam
-type CollateralParams []CollateralParam
-
-// CollateralParam governance parameters for each collateral type within the cdp module
-type CollateralParam struct {
-	Denom                            string      `json:"denom" yaml:"denom"` // Coin name of collateral type
-	Type                             string      `json:"type" yaml:"type"`
-	LiquidationRatio                 sdk.Dec     `json:"liquidation_ratio" yaml:"liquidation_ratio"`     // The ratio (Collateral (priced in stable coin) / Debt) under which a CDP will be liquidated
-	DebtLimit                        sdk.Coin    `json:"debt_limit" yaml:"debt_limit"`                   // Maximum amount of debt allowed to be drawn from this collateral type
-	StabilityFee                     sdk.Dec     `json:"stability_fee" yaml:"stability_fee"`             // per second stability fee for loans opened using this collateral
-	AuctionSize                      sdkmath.Int `json:"auction_size" yaml:"auction_size"`               // Max amount of collateral to sell off in any one auction.
-	LiquidationPenalty               sdk.Dec     `json:"liquidation_penalty" yaml:"liquidation_penalty"` // percentage penalty (between [0, 1]) applied to a cdp if it is liquidated
-	Prefix                           byte        `json:"prefix" yaml:"prefix"`
-	SpotMarketID                     string      `json:"spot_market_id" yaml:"spot_market_id"`                                           // marketID of the spot price of the asset from the pricefeed - used for opening CDPs, depositing, withdrawing
-	LiquidationMarketID              string      `json:"liquidation_market_id" yaml:"liquidation_market_id"`                             // marketID of the pricefeed used for liquidation
-	KeeperRewardPercentage           sdk.Dec     `json:"keeper_reward_percentage" yaml:"keeper_reward_percentage"`                       // the percentage of a CDPs collateral that gets rewarded to a keeper that liquidates the position
-	CheckCollateralizationIndexCount sdkmath.Int `json:"check_collateralization_index_count" yaml:"check_collateralization_index_count"` // the number of cdps that will be checked for liquidation in the begin blocker
-	ConversionFactor                 sdkmath.Int `json:"conversion_factor" yaml:"conversion_factor"`                                     // factor for converting internal units to one base unit of collateral
-}
-
-// CDPs a collection of CDP objects
-type CDPs []CDP
-
-// CDP is the state of a single collateralized debt position.
-type CDP struct {
-	ID              uint64         `json:"id" yaml:"id"`                             // unique id for cdp
-	Owner           sdk.AccAddress `json:"owner" yaml:"owner"`                       // Account that authorizes changes to the CDP
-	Type            string         `json:"type" yaml:"type"`                         // string representing the unique collateral type of the CDP
-	Collateral      sdk.Coin       `json:"collateral" yaml:"collateral"`             // Amount of collateral stored in this CDP
-	Principal       sdk.Coin       `json:"principal" yaml:"principal"`               // Amount of debt drawn using the CDP
-	AccumulatedFees sdk.Coin       `json:"accumulated_fees" yaml:"accumulated_fees"` // Fees accumulated since the CDP was opened or debt was last repaid
-	FeesUpdated     time.Time      `json:"fees_updated" yaml:"fees_updated"`         // The time when fees were last updated
-	InterestFactor  sdk.Dec        `json:"interest_factor" yaml:"interest_factor"`   // the interest factor when fees were last calculated for this CDP
-}
-
-// Deposits a collection of Deposit objects
-type Deposits []Deposit
-
-// Deposit defines an amount of coins deposited by an account to a cdp
-type Deposit struct {
-	CdpID     uint64         `json:"cdp_id" yaml:"cdp_id"`       //  cdpID of the cdp
-	Depositor sdk.AccAddress `json:"depositor" yaml:"depositor"` //  Address of the depositor
-	Amount    sdk.Coin       `json:"amount" yaml:"amount"`       //  Deposit amount
-}
-
-// GenesisAccumulationTimes slice of GenesisAccumulationTime
-type GenesisAccumulationTimes []GenesisAccumulationTime
-
-// GenesisAccumulationTime stores the previous distribution time and its corresponding denom
-type GenesisAccumulationTime struct {
-	CollateralType           string    `json:"collateral_type" yaml:"collateral_type"`
-	PreviousAccumulationTime time.Time `json:"previous_accumulation_time" yaml:"previous_accumulation_time"`
-	InterestFactor           sdk.Dec   `json:"interest_factor" yaml:"interest_factor"`
-}
-
-// GenesisTotalPrincipals slice of GenesisTotalPrincipal
-type GenesisTotalPrincipals []GenesisTotalPrincipal
-
-// GenesisTotalPrincipal stores the total principal and its corresponding collateral type
-type GenesisTotalPrincipal struct {
-	CollateralType string      `json:"collateral_type" yaml:"collateral_type"`
-	TotalPrincipal sdkmath.Int `json:"total_principal" yaml:"total_principal"`
-}
-
-// DebtParam governance params for debt assets
-type DebtParam struct {
-	Denom            string      `json:"denom" yaml:"denom"`
-	ReferenceAsset   string      `json:"reference_asset" yaml:"reference_asset"`
-	ConversionFactor sdkmath.Int `json:"conversion_factor" yaml:"conversion_factor"`
-	DebtFloor        sdkmath.Int `json:"debt_floor" yaml:"debt_floor"` // minimum active loan size, used to prevent dust
-}
--- a/x/cdp/legacy/v0_16/migrate.go
+++ b/x/cdp/legacy/v0_16/migrate.go
@ -1,109 +0,0 @@
-package v0_16
-
-import (
-	v015cdp "github.com/kava-labs/kava/x/cdp/legacy/v0_15"
-	v016cdp "github.com/kava-labs/kava/x/cdp/types"
-)
-
-func migrateParams(params v015cdp.Params) v016cdp.Params {
-	// migrate collateral params
-	collateralParams := make(v016cdp.CollateralParams, len(params.CollateralParams))
-	for i, cp := range params.CollateralParams {
-		collateralParams[i] = v016cdp.CollateralParam{
-			Denom:                            cp.Denom,
-			Type:                             cp.Type,
-			LiquidationRatio:                 cp.LiquidationRatio,
-			DebtLimit:                        cp.DebtLimit,
-			StabilityFee:                     cp.StabilityFee,
-			AuctionSize:                      cp.AuctionSize,
-			LiquidationPenalty:               cp.LiquidationPenalty,
-			SpotMarketID:                     cp.SpotMarketID,
-			LiquidationMarketID:              cp.LiquidationMarketID,
-			KeeperRewardPercentage:           cp.KeeperRewardPercentage,
-			CheckCollateralizationIndexCount: cp.CheckCollateralizationIndexCount,
-			ConversionFactor:                 cp.ConversionFactor,
-		}
-	}
-
-	return v016cdp.Params{
-		CollateralParams: collateralParams,
-		DebtParam: v016cdp.DebtParam{
-			Denom:            params.DebtParam.Denom,
-			ReferenceAsset:   params.DebtParam.ReferenceAsset,
-			ConversionFactor: params.DebtParam.ConversionFactor,
-			DebtFloor:        params.DebtParam.DebtFloor,
-		},
-		GlobalDebtLimit:         params.GlobalDebtLimit,
-		SurplusAuctionThreshold: params.SurplusAuctionThreshold,
-		SurplusAuctionLot:       params.SurplusAuctionLot,
-		DebtAuctionThreshold:    params.DebtAuctionThreshold,
-		DebtAuctionLot:          params.DebtAuctionLot,
-		CircuitBreaker:          params.CircuitBreaker,
-	}
-}
-
-func migrateCDPs(oldCDPs v015cdp.CDPs) v016cdp.CDPs {
-	cdps := make(v016cdp.CDPs, len(oldCDPs))
-	for i, cdp := range oldCDPs {
-		cdps[i] = v016cdp.CDP{
-			ID:              cdp.ID,
-			Owner:           cdp.Owner,
-			Type:            cdp.Type,
-			Collateral:      cdp.Collateral,
-			Principal:       cdp.Principal,
-			AccumulatedFees: cdp.AccumulatedFees,
-			FeesUpdated:     cdp.FeesUpdated,
-			InterestFactor:  cdp.InterestFactor,
-		}
-	}
-	return cdps
-}
-
-func migrateDeposits(oldDeposits v015cdp.Deposits) v016cdp.Deposits {
-	deposits := make(v016cdp.Deposits, len(oldDeposits))
-	for i, deposit := range oldDeposits {
-		deposits[i] = v016cdp.Deposit{
-			CdpID:     deposit.CdpID,
-			Depositor: deposit.Depositor,
-			Amount:    deposit.Amount,
-		}
-	}
-	return deposits
-}
-
-func migratePrevAccTimes(oldPrevAccTimes v015cdp.GenesisAccumulationTimes) v016cdp.GenesisAccumulationTimes {
-	prevAccTimes := make(v016cdp.GenesisAccumulationTimes, len(oldPrevAccTimes))
-	for i, prevAccTime := range oldPrevAccTimes {
-		prevAccTimes[i] = v016cdp.GenesisAccumulationTime{
-			CollateralType:           prevAccTime.CollateralType,
-			PreviousAccumulationTime: prevAccTime.PreviousAccumulationTime,
-			InterestFactor:           prevAccTime.InterestFactor,
-		}
-	}
-	return prevAccTimes
-}
-
-func migrateTotalPrincipals(oldTotalPrincipals v015cdp.GenesisTotalPrincipals) v016cdp.GenesisTotalPrincipals {
-	totalPrincipals := make(v016cdp.GenesisTotalPrincipals, len(oldTotalPrincipals))
-	for i, tp := range oldTotalPrincipals {
-		totalPrincipals[i] = v016cdp.GenesisTotalPrincipal{
-			CollateralType: tp.CollateralType,
-			TotalPrincipal: tp.TotalPrincipal,
-		}
-	}
-	return totalPrincipals
-}
-
-// Migrate converts v0.15 cdp state and returns it in v0.16 format
-func Migrate(oldState v015cdp.GenesisState) *v016cdp.GenesisState {
-	return &v016cdp.GenesisState{
-		Params:                    migrateParams(oldState.Params),
-		CDPs:                      migrateCDPs(oldState.CDPs),
-		Deposits:                  migrateDeposits(oldState.Deposits),
-		StartingCdpID:             oldState.StartingCdpID,
-		DebtDenom:                 oldState.DebtDenom,
-		GovDenom:                  oldState.GovDenom,
-		PreviousAccumulationTimes: migratePrevAccTimes(oldState.PreviousAccumulationTimes),
-		TotalPrincipals:           migrateTotalPrincipals(oldState.TotalPrincipals),
-	}
-}
--- a/x/cdp/legacy/v0_16/migrate_test.go
+++ b/x/cdp/legacy/v0_16/migrate_test.go
@ -1,216 +0,0 @@
-package v0_16
-
-import (
-	"io/ioutil"
-	"path/filepath"
-	"testing"
-	"time"
-
-	sdkmath "cosmossdk.io/math"
-	"github.com/cosmos/cosmos-sdk/codec"
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/stretchr/testify/suite"
-
-	app "github.com/kava-labs/kava/app"
-	v015cdp "github.com/kava-labs/kava/x/cdp/legacy/v0_15"
-	v016cdp "github.com/kava-labs/kava/x/cdp/types"
-)
-
-type migrateTestSuite struct {
-	suite.Suite
-
-	addresses   []sdk.AccAddress
-	v15genstate v015cdp.GenesisState
-	cdc         codec.Codec
-	legacyCdc   *codec.LegacyAmino
-}
-
-func (s *migrateTestSuite) SetupTest() {
-	app.SetSDKConfig()
-
-	s.v15genstate = v015cdp.GenesisState{
-		Params:                    v015cdp.Params{},
-		CDPs:                      v015cdp.CDPs{},
-		Deposits:                  v015cdp.Deposits{},
-		StartingCdpID:             1,
-		DebtDenom:                 "usdx",
-		GovDenom:                  "ukava",
-		PreviousAccumulationTimes: v015cdp.GenesisAccumulationTimes{},
-		TotalPrincipals:           v015cdp.GenesisTotalPrincipals{},
-	}
-
-	config := app.MakeEncodingConfig()
-	s.cdc = config.Marshaler
-
-	legacyCodec := codec.NewLegacyAmino()
-	s.legacyCdc = legacyCodec
-
-	_, accAddresses := app.GeneratePrivKeyAddressPairs(10)
-	s.addresses = accAddresses
-}
-
-func (s *migrateTestSuite) TestMigrate_JSON() {
-	file := filepath.Join("testdata", "v15-cdp.json")
-	data, err := ioutil.ReadFile(file)
-	s.Require().NoError(err)
-	err = s.legacyCdc.UnmarshalJSON(data, &s.v15genstate)
-	s.Require().NoError(err)
-	genstate := Migrate(s.v15genstate)
-	actual := s.cdc.MustMarshalJSON(genstate)
-
-	file = filepath.Join("testdata", "v16-cdp.json")
-	expected, err := ioutil.ReadFile(file)
-	s.Require().NoError(err)
-	s.Require().JSONEq(string(expected), string(actual))
-}
-
-func (s *migrateTestSuite) TestMigrate_GenState() {
-	s.v15genstate = v015cdp.GenesisState{
-		StartingCdpID: 2,
-		DebtDenom:     "usdx",
-		GovDenom:      "ukava",
-		Params: v015cdp.Params{
-			CollateralParams: v015cdp.CollateralParams{
-				{
-					Denom:                            "xrp",
-					Type:                             "xrp-a",
-					LiquidationRatio:                 sdk.MustNewDecFromStr("2.0"),
-					DebtLimit:                        sdk.NewInt64Coin("usdx", 500000000000),
-					StabilityFee:                     sdk.MustNewDecFromStr("1.012"),
-					LiquidationPenalty:               sdk.MustNewDecFromStr("0.05"),
-					AuctionSize:                      sdkmath.NewInt(70),
-					SpotMarketID:                     "xrp:usd",
-					LiquidationMarketID:              "xrp:usd",
-					KeeperRewardPercentage:           sdk.MustNewDecFromStr("0.01"),
-					CheckCollateralizationIndexCount: sdkmath.NewInt(10),
-					ConversionFactor:                 sdkmath.NewInt(6),
-				},
-			},
-			DebtParam: v015cdp.DebtParam{
-				Denom:            "usdx",
-				ReferenceAsset:   "usd",
-				ConversionFactor: sdkmath.NewInt(6),
-				DebtFloor:        sdkmath.NewInt(100),
-			},
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 1000000000000),
-			SurplusAuctionThreshold: sdkmath.NewInt(6),
-			SurplusAuctionLot:       sdkmath.NewInt(7),
-			DebtAuctionThreshold:    sdkmath.NewInt(8),
-			DebtAuctionLot:          sdkmath.NewInt(9),
-		},
-		CDPs: v015cdp.CDPs{
-			{
-				ID:              2,
-				Owner:           s.addresses[0],
-				Type:            "xrp-a",
-				Collateral:      sdk.NewCoin("xrp", sdkmath.NewInt(2123)),
-				Principal:       sdk.NewCoin("usdx", sdkmath.NewInt(100)),
-				AccumulatedFees: sdk.NewCoin("usdx", sdk.ZeroInt()),
-				FeesUpdated:     time.Date(2020, time.January, 1, 0, 0, 0, 0, time.UTC),
-				InterestFactor:  sdk.NewDec(1),
-			},
-		},
-		Deposits: v015cdp.Deposits{
-			{
-				CdpID:     1,
-				Depositor: s.addresses[0],
-				Amount:    sdk.NewCoin("usdx", sdkmath.NewInt(100)),
-			},
-			{
-				CdpID:     2,
-				Depositor: s.addresses[1],
-				Amount:    sdk.NewCoin("ukava", sdkmath.NewInt(1200)),
-			},
-		},
-		PreviousAccumulationTimes: v015cdp.GenesisAccumulationTimes{
-			{
-				CollateralType:           "usdx",
-				PreviousAccumulationTime: time.Date(2020, time.January, 1, 0, 0, 0, 0, time.UTC),
-				InterestFactor:           sdk.MustNewDecFromStr("0.02"),
-			},
-		},
-		TotalPrincipals: v015cdp.GenesisTotalPrincipals{
-			{
-				CollateralType: "usdx",
-				TotalPrincipal: sdkmath.NewInt(1200),
-			},
-		},
-	}
-	expected := v016cdp.GenesisState{
-		StartingCdpID: 2,
-		DebtDenom:     "usdx",
-		GovDenom:      "ukava",
-		Params: v016cdp.Params{
-			CollateralParams: v016cdp.CollateralParams{
-				{
-					Denom:                            "xrp",
-					Type:                             "xrp-a",
-					LiquidationRatio:                 sdk.MustNewDecFromStr("2.0"),
-					DebtLimit:                        sdk.NewInt64Coin("usdx", 500000000000),
-					StabilityFee:                     sdk.MustNewDecFromStr("1.012"),
-					LiquidationPenalty:               sdk.MustNewDecFromStr("0.05"),
-					AuctionSize:                      sdkmath.NewInt(70),
-					SpotMarketID:                     "xrp:usd",
-					LiquidationMarketID:              "xrp:usd",
-					KeeperRewardPercentage:           sdk.MustNewDecFromStr("0.01"),
-					CheckCollateralizationIndexCount: sdkmath.NewInt(10),
-					ConversionFactor:                 sdkmath.NewInt(6),
-				},
-			},
-			DebtParam: v016cdp.DebtParam{
-				Denom:            "usdx",
-				ReferenceAsset:   "usd",
-				ConversionFactor: sdkmath.NewInt(6),
-				DebtFloor:        sdkmath.NewInt(100),
-			},
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 1000000000000),
-			SurplusAuctionThreshold: sdkmath.NewInt(6),
-			SurplusAuctionLot:       sdkmath.NewInt(7),
-			DebtAuctionThreshold:    sdkmath.NewInt(8),
-			DebtAuctionLot:          sdkmath.NewInt(9),
-		},
-		CDPs: v016cdp.CDPs{
-			{
-				ID:              2,
-				Owner:           s.addresses[0],
-				Type:            "xrp-a",
-				Collateral:      sdk.NewCoin("xrp", sdkmath.NewInt(2123)),
-				Principal:       sdk.NewCoin("usdx", sdkmath.NewInt(100)),
-				AccumulatedFees: sdk.NewCoin("usdx", sdk.ZeroInt()),
-				FeesUpdated:     time.Date(2020, time.January, 1, 0, 0, 0, 0, time.UTC),
-				InterestFactor:  sdk.NewDec(1),
-			},
-		},
-		Deposits: v016cdp.Deposits{
-			{
-				CdpID:     1,
-				Depositor: s.addresses[0],
-				Amount:    sdk.NewCoin("usdx", sdkmath.NewInt(100)),
-			},
-			{
-				CdpID:     2,
-				Depositor: s.addresses[1],
-				Amount:    sdk.NewCoin("ukava", sdkmath.NewInt(1200)),
-			},
-		},
-		PreviousAccumulationTimes: v016cdp.GenesisAccumulationTimes{
-			{
-				CollateralType:           "usdx",
-				PreviousAccumulationTime: time.Date(2020, time.January, 1, 0, 0, 0, 0, time.UTC),
-				InterestFactor:           sdk.MustNewDecFromStr("0.02"),
-			},
-		},
-		TotalPrincipals: v016cdp.GenesisTotalPrincipals{
-			{
-				CollateralType: "usdx",
-				TotalPrincipal: sdkmath.NewInt(1200),
-			},
-		},
-	}
-	genState := Migrate(s.v15genstate)
-	s.Require().Equal(expected, *genState)
-}
-
-func TestCdpMigrateTestSuite(t *testing.T) {
-	suite.Run(t, new(migrateTestSuite))
-}
--- a/x/cdp/legacy/v0_16/testdata/v15-cdp.json
+++ b/x/cdp/legacy/v0_16/testdata/v15-cdp.json
@ -1,135 +0,0 @@
-{
-  "cdps": [
-    {
-      "accumulated_fees": {
-        "amount": "36088",
-        "denom": "usdx"
-      },
-      "collateral": {
-        "amount": "40911876",
-        "denom": "bnb"
-      },
-      "fees_updated": "2021-11-05T21:13:12.85608847Z",
-      "id": "19",
-      "interest_factor": "1.002881426571765716",
-      "owner": "kava1u4p6a2yse66ewfndw4j7ppsa777vdcex3m4n9s",
-      "principal": {
-        "amount": "10016831",
-        "denom": "usdx"
-      },
-      "type": "bnb-a"
-    },
-    {
-      "accumulated_fees": {
-        "amount": "156662",
-        "denom": "usdx"
-      },
-      "collateral": {
-        "amount": "88268546",
-        "denom": "bnb"
-      },
-      "fees_updated": "2021-11-05T21:13:12.85608847Z",
-      "id": "22",
-      "interest_factor": "1.002881426571765716",
-      "owner": "kava1e8xjfylam4nvugcmkxwvuxh22uvvad5vknu4yh",
-      "principal": {
-        "amount": "10000000",
-        "denom": "usdx"
-      },
-      "type": "bnb-a"
-    }
-  ],
-  "debt_denom": "debt",
-  "deposits": [
-    {
-      "amount": {
-        "amount": "40911876",
-        "denom": "bnb"
-      },
-      "cdp_id": "19",
-      "depositor": "kava1u4p6a2yse66ewfndw4j7ppsa777vdcex3m4n9s"
-    },
-    {
-      "amount": {
-        "amount": "88268546",
-        "denom": "bnb"
-      },
-      "cdp_id": "22",
-      "depositor": "kava1e8xjfylam4nvugcmkxwvuxh22uvvad5vknu4yh"
-    }
-  ],
-  "gov_denom": "ukava",
-  "params": {
-    "circuit_breaker": false,
-    "collateral_params": [
-      {
-        "auction_size": "50000000000",
-        "conversion_factor": "8",
-        "debt_limit": {
-          "amount": "20000000000000",
-          "denom": "usdx"
-        },
-        "denom": "bnb",
-        "liquidation_market_id": "bnb:usd:30",
-        "liquidation_penalty": "0.050000000000000000",
-        "liquidation_ratio": "1.500000000000000000",
-        "keeper_reward_percentage": "0.01",
-        "check_collateralization_index_count": "10",
-        "prefix": 1,
-        "spot_market_id": "bnb:usd",
-        "stability_fee": "1.000000000782997700",
-        "type": "bnb-a"
-      },
-      {
-        "denom": "hbtc",
-        "type": "hbtc-a",
-        "liquidation_ratio": "1.500000000000000000",
-        "debt_limit": {
-          "denom": "usdx",
-          "amount": "10000000000000"
-        },
-        "stability_fee": "1.000000001547125958",
-        "auction_size": "1000000000000",
-        "liquidation_penalty": "0.075000000000000000",
-        "check_collateralization_index_count": "10",
-        "keeper_reward_percentage": "0.01",
-        "prefix": 8,
-        "spot_market_id": "btc:usd",
-        "liquidation_market_id": "btc:usd:30",
-        "conversion_factor": "8"
-      }
-    ],
-    "debt_auction_lot": "10000000000",
-    "debt_auction_threshold": "100000000000",
-    "debt_param": {
-      "conversion_factor": "6",
-      "debt_floor": "10000000",
-      "denom": "usdx",
-      "reference_asset": "usd",
-      "savings_rate": "0.950000000000000000"
-    },
-    "global_debt_limit": {
-      "amount": "43000000000000",
-      "denom": "usdx"
-    },
-    "savings_distribution_frequency": "43200000000000",
-    "surplus_auction_lot": "10000000000",
-    "surplus_auction_threshold": "500000000000"
-  },
-  "previous_distribution_time": "1970-01-01T00:00:00Z",
-  "savings_rate_distributed": "0",
-  "starting_cdp_id": "1",
-  "previous_accumulation_times": [
-    {
-      "collateral_type": "bnb-a",
-      "interest_factor": "1.002881426571765716",
-      "previous_accumulation_time": "2021-11-05T21:13:12.85608847Z"
-    }
-  ],
-  "total_principals": [
-    {
-      "collateral_type": "bnb-a",
-      "total_principal": "9285009581820"
-    }
-  ]
-}
--- a/x/cdp/legacy/v0_16/testdata/v16-cdp.json
+++ b/x/cdp/legacy/v0_16/testdata/v16-cdp.json
@ -1,93 +0,0 @@
-{
-  "params": {
-    "collateral_params": [
-      {
-        "denom": "bnb",
-        "type": "bnb-a",
-        "liquidation_ratio": "1.500000000000000000",
-        "debt_limit": { "denom": "usdx", "amount": "20000000000000" },
-        "stability_fee": "1.000000000782997700",
-        "auction_size": "50000000000",
-        "liquidation_penalty": "0.050000000000000000",
-        "spot_market_id": "bnb:usd",
-        "liquidation_market_id": "bnb:usd:30",
-        "keeper_reward_percentage": "0.010000000000000000",
-        "check_collateralization_index_count": "10",
-        "conversion_factor": "8"
-      },
-      {
-        "denom": "hbtc",
-        "type": "hbtc-a",
-        "liquidation_ratio": "1.500000000000000000",
-        "debt_limit": { "denom": "usdx", "amount": "10000000000000" },
-        "stability_fee": "1.000000001547125958",
-        "auction_size": "1000000000000",
-        "liquidation_penalty": "0.075000000000000000",
-        "spot_market_id": "btc:usd",
-        "liquidation_market_id": "btc:usd:30",
-        "keeper_reward_percentage": "0.010000000000000000",
-        "check_collateralization_index_count": "10",
-        "conversion_factor": "8"
-      }
-    ],
-    "debt_param": {
-      "denom": "usdx",
-      "reference_asset": "usd",
-      "conversion_factor": "6",
-      "debt_floor": "10000000"
-    },
-    "global_debt_limit": { "denom": "usdx", "amount": "43000000000000" },
-    "surplus_auction_threshold": "500000000000",
-    "surplus_auction_lot": "10000000000",
-    "debt_auction_threshold": "100000000000",
-    "debt_auction_lot": "10000000000",
-    "circuit_breaker": false
-  },
-  "cdps": [
-    {
-      "id": "19",
-      "owner": "kava1u4p6a2yse66ewfndw4j7ppsa777vdcex3m4n9s",
-      "type": "bnb-a",
-      "collateral": { "denom": "bnb", "amount": "40911876" },
-      "principal": { "denom": "usdx", "amount": "10016831" },
-      "accumulated_fees": { "denom": "usdx", "amount": "36088" },
-      "fees_updated": "2021-11-05T21:13:12.856088470Z",
-      "interest_factor": "1.002881426571765716"
-    },
-    {
-      "id": "22",
-      "owner": "kava1e8xjfylam4nvugcmkxwvuxh22uvvad5vknu4yh",
-      "type": "bnb-a",
-      "collateral": { "denom": "bnb", "amount": "88268546" },
-      "principal": { "denom": "usdx", "amount": "10000000" },
-      "accumulated_fees": { "denom": "usdx", "amount": "156662" },
-      "fees_updated": "2021-11-05T21:13:12.856088470Z",
-      "interest_factor": "1.002881426571765716"
-    }
-  ],
-  "deposits": [
-    {
-      "cdp_id": "19",
-      "depositor": "kava1u4p6a2yse66ewfndw4j7ppsa777vdcex3m4n9s",
-      "amount": { "denom": "bnb", "amount": "40911876" }
-    },
-    {
-      "cdp_id": "22",
-      "depositor": "kava1e8xjfylam4nvugcmkxwvuxh22uvvad5vknu4yh",
-      "amount": { "denom": "bnb", "amount": "88268546" }
-    }
-  ],
-  "starting_cdp_id": "1",
-  "debt_denom": "debt",
-  "gov_denom": "ukava",
-  "previous_accumulation_times": [
-    {
-      "collateral_type": "bnb-a",
-      "previous_accumulation_time": "2021-11-05T21:13:12.856088470Z",
-      "interest_factor": "1.002881426571765716"
-    }
-  ],
-  "total_principals": [
-    { "collateral_type": "bnb-a", "total_principal": "9285009581820" }
-  ]
-}
--- a/x/cdp/migrations/v2/store.go
+++ b/x/cdp/migrations/v2/store.go
@ -0,0 +1,22 @@
+package v2
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
+	"github.com/kava-labs/kava/x/cdp/types"
+)
+
+// MigrateStore performs in-place store migrations for consensus version 2
+// V2 adds the begin_blocker_execution_block_interval param to parameters.
+func MigrateStore(ctx sdk.Context, paramstore paramtypes.Subspace) error {
+	migrateParamsStore(ctx, paramstore)
+	return nil
+}
+
+// migrateParamsStore ensures the param key table exists and has the begin_blocker_execution_block_interval property
+func migrateParamsStore(ctx sdk.Context, paramstore paramtypes.Subspace) {
+	if !paramstore.HasKeyTable() {
+		paramstore.WithKeyTable(types.ParamKeyTable())
+	}
+	paramstore.Set(ctx, types.KeyBeginBlockerExecutionBlockInterval, types.DefaultBeginBlockerExecutionBlockInterval)
+}
--- a/x/cdp/migrations/v2/store_test.go
+++ b/x/cdp/migrations/v2/store_test.go
@ -0,0 +1,63 @@
+package v2_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/cosmos/cosmos-sdk/simapp"
+	"github.com/cosmos/cosmos-sdk/testutil"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
+
+	v2cdp "github.com/kava-labs/kava/x/cdp/migrations/v2"
+	"github.com/kava-labs/kava/x/cdp/types"
+)
+
+func TestStoreMigrationAddsKeyTableIncludingNewParam(t *testing.T) {
+	encCfg := simapp.MakeTestEncodingConfig()
+	cdpKey := sdk.NewKVStoreKey(types.ModuleName)
+	tcdpKey := sdk.NewTransientStoreKey("transient_test")
+	ctx := testutil.DefaultContext(cdpKey, tcdpKey)
+	paramstore := paramtypes.NewSubspace(encCfg.Codec, encCfg.Amino, cdpKey, tcdpKey, types.ModuleName)
+
+	// Check param doesn't exist before
+	require.False(t, paramstore.Has(ctx, types.KeyBeginBlockerExecutionBlockInterval))
+
+	// Run migrations.
+	err := v2cdp.MigrateStore(ctx, paramstore)
+	require.NoError(t, err)
+
+	// Make sure the new params are set.
+	require.True(t, paramstore.Has(ctx, types.KeyBeginBlockerExecutionBlockInterval))
+	// Assert the value is what we expect
+	result := types.DefaultBeginBlockerExecutionBlockInterval
+	paramstore.Get(ctx, types.KeyBeginBlockerExecutionBlockInterval, &result)
+	require.Equal(t, result, types.DefaultBeginBlockerExecutionBlockInterval)
+}
+
+func TestStoreMigrationSetsNewParamOnExistingKeyTable(t *testing.T) {
+	encCfg := simapp.MakeTestEncodingConfig()
+	cdpKey := sdk.NewKVStoreKey(types.ModuleName)
+	tcdpKey := sdk.NewTransientStoreKey("transient_test")
+	ctx := testutil.DefaultContext(cdpKey, tcdpKey)
+	paramstore := paramtypes.NewSubspace(encCfg.Codec, encCfg.Amino, cdpKey, tcdpKey, types.ModuleName)
+	paramstore.WithKeyTable(types.ParamKeyTable())
+
+	// expect it to have key table
+	require.True(t, paramstore.HasKeyTable())
+	// expect it to not have new param
+	require.False(t, paramstore.Has(ctx, types.KeyBeginBlockerExecutionBlockInterval))
+
+	// Run migrations.
+	err := v2cdp.MigrateStore(ctx, paramstore)
+	require.NoError(t, err)
+
+	// Make sure the new params are set.
+	require.True(t, paramstore.Has(ctx, types.KeyBeginBlockerExecutionBlockInterval))
+
+	// Assert the value is what we expect
+	result := types.DefaultBeginBlockerExecutionBlockInterval
+	paramstore.Get(ctx, types.KeyBeginBlockerExecutionBlockInterval, &result)
+	require.Equal(t, result, types.DefaultBeginBlockerExecutionBlockInterval)
+}
--- a/x/cdp/module.go
+++ b/x/cdp/module.go
@ -3,6 +3,7 @@ package cdp
 import (
 	"context"
 	"encoding/json"
+	"fmt"

 	"github.com/grpc-ecosystem/grpc-gateway/runtime"
 	"github.com/spf13/cobra"
@ -26,6 +27,9 @@ var (
 	// _ module.AppModuleSimulation = AppModule{}
 )

+// ConsensusVersion defines the current module consensus version.
+const ConsensusVersion = 2
+
 // AppModuleBasic app module basics object
 type AppModuleBasic struct{}

@ -75,7 +79,7 @@ func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sd

 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (AppModule) ConsensusVersion() uint64 {
-	return 1
+	return ConsensusVersion
 }

 // GetTxCmd returns the root tx command for the cdp module.
@ -133,6 +137,11 @@ func (AppModule) QuerierRoute() string {
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
 	types.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServerImpl(am.keeper))
+
+	m := keeper.NewMigrator(am.keeper)
+	if err := cfg.RegisterMigration(types.ModuleName, 1, m.Migrate1to2); err != nil {
+		panic(fmt.Sprintf("failed to migrate x/cdp from version 1 to 2: %v", err))
+	}
 }

 // InitGenesis module init-genesis
--- a/x/cdp/types/genesis.pb.go
+++ b/x/cdp/types/genesis.pb.go
@ -134,14 +134,15 @@ func (m *GenesisState) GetTotalPrincipals() GenesisTotalPrincipals {

 // Params defines the parameters for the cdp module.
 type Params struct {
-	CollateralParams        CollateralParams                       `protobuf:"bytes,1,rep,name=collateral_params,json=collateralParams,proto3,castrepeated=CollateralParams" json:"collateral_params"`
-	DebtParam               DebtParam                              `protobuf:"bytes,2,opt,name=debt_param,json=debtParam,proto3" json:"debt_param"`
-	GlobalDebtLimit         types.Coin                             `protobuf:"bytes,3,opt,name=global_debt_limit,json=globalDebtLimit,proto3" json:"global_debt_limit"`
-	SurplusAuctionThreshold github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,4,opt,name=surplus_auction_threshold,json=surplusAuctionThreshold,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"surplus_auction_threshold"`
-	SurplusAuctionLot       github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,5,opt,name=surplus_auction_lot,json=surplusAuctionLot,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"surplus_auction_lot"`
-	DebtAuctionThreshold    github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,6,opt,name=debt_auction_threshold,json=debtAuctionThreshold,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"debt_auction_threshold"`
-	DebtAuctionLot          github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,7,opt,name=debt_auction_lot,json=debtAuctionLot,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"debt_auction_lot"`
-	CircuitBreaker          bool                                   `protobuf:"varint,8,opt,name=circuit_breaker,json=circuitBreaker,proto3" json:"circuit_breaker,omitempty"`
+	CollateralParams         CollateralParams                       `protobuf:"bytes,1,rep,name=collateral_params,json=collateralParams,proto3,castrepeated=CollateralParams" json:"collateral_params"`
+	DebtParam                DebtParam                              `protobuf:"bytes,2,opt,name=debt_param,json=debtParam,proto3" json:"debt_param"`
+	GlobalDebtLimit          types.Coin                             `protobuf:"bytes,3,opt,name=global_debt_limit,json=globalDebtLimit,proto3" json:"global_debt_limit"`
+	SurplusAuctionThreshold  github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,4,opt,name=surplus_auction_threshold,json=surplusAuctionThreshold,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"surplus_auction_threshold"`
+	SurplusAuctionLot        github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,5,opt,name=surplus_auction_lot,json=surplusAuctionLot,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"surplus_auction_lot"`
+	DebtAuctionThreshold     github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,6,opt,name=debt_auction_threshold,json=debtAuctionThreshold,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"debt_auction_threshold"`
+	DebtAuctionLot           github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,7,opt,name=debt_auction_lot,json=debtAuctionLot,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"debt_auction_lot"`
+	CircuitBreaker           bool                                   `protobuf:"varint,8,opt,name=circuit_breaker,json=circuitBreaker,proto3" json:"circuit_breaker,omitempty"`
+	LiquidationBlockInterval int64                                  `protobuf:"varint,9,opt,name=liquidation_block_interval,json=liquidationBlockInterval,proto3" json:"liquidation_block_interval,omitempty"`
 }

 func (m *Params) Reset()         { *m = Params{} }
@ -205,6 +206,13 @@ func (m *Params) GetCircuitBreaker() bool {
 	return false
 }

+func (m *Params) GetLiquidationBlockInterval() int64 {
+	if m != nil {
+		return m.LiquidationBlockInterval
+	}
+	return 0
+}
+
 // DebtParam defines governance params for debt assets
 type DebtParam struct {
 	Denom            string                                 `protobuf:"bytes,1,opt,name=denom,proto3" json:"denom,omitempty"`
@ -456,81 +464,83 @@ func init() {
 func init() { proto.RegisterFile("kava/cdp/v1beta1/genesis.proto", fileDescriptor_e4494a90aaab0034) }

 var fileDescriptor_e4494a90aaab0034 = []byte{
-	// 1179 bytes of a gzipped FileDescriptorProto
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 }

 func (m *GenesisState) Marshal() (dAtA []byte, err error) {
@ -661,6 +671,11 @@ func (m *Params) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.LiquidationBlockInterval != 0 {
+		i = encodeVarintGenesis(dAtA, i, uint64(m.LiquidationBlockInterval))
+		i--
+		dAtA[i] = 0x48
+	}
 	if m.CircuitBreaker {
 		i--
 		if m.CircuitBreaker {
@ -1108,6 +1123,9 @@ func (m *Params) Size() (n int) {
 	if m.CircuitBreaker {
 		n += 2
 	}
+	if m.LiquidationBlockInterval != 0 {
+		n += 1 + sovGenesis(uint64(m.LiquidationBlockInterval))
+	}
 	return n
 }

@ -1798,6 +1816,25 @@ func (m *Params) Unmarshal(dAtA []byte) error {
 				}
 			}
 			m.CircuitBreaker = bool(v != 0)
+		case 9:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LiquidationBlockInterval", wireType)
+			}
+			m.LiquidationBlockInterval = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.LiquidationBlockInterval |= int64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenesis(dAtA[iNdEx:])
--- a/x/cdp/types/params.go
+++ b/x/cdp/types/params.go
@ -13,18 +13,19 @@ import (

 // Parameter keys
 var (
-	KeyGlobalDebtLimit      = []byte("GlobalDebtLimit")
-	KeyCollateralParams     = []byte("CollateralParams")
-	KeyDebtParam            = []byte("DebtParam")
-	KeyCircuitBreaker       = []byte("CircuitBreaker")
-	KeyDebtThreshold        = []byte("DebtThreshold")
-	KeyDebtLot              = []byte("DebtLot")
-	KeySurplusThreshold     = []byte("SurplusThreshold")
-	KeySurplusLot           = []byte("SurplusLot")
-	DefaultGlobalDebt       = sdk.NewCoin(DefaultStableDenom, sdk.ZeroInt())
-	DefaultCircuitBreaker   = false
-	DefaultCollateralParams = CollateralParams{}
-	DefaultDebtParam        = DebtParam{
+	KeyGlobalDebtLimit                    = []byte("GlobalDebtLimit")
+	KeyCollateralParams                   = []byte("CollateralParams")
+	KeyDebtParam                          = []byte("DebtParam")
+	KeyCircuitBreaker                     = []byte("CircuitBreaker")
+	KeyDebtThreshold                      = []byte("DebtThreshold")
+	KeyDebtLot                            = []byte("DebtLot")
+	KeySurplusThreshold                   = []byte("SurplusThreshold")
+	KeySurplusLot                         = []byte("SurplusLot")
+	KeyBeginBlockerExecutionBlockInterval = []byte("BeginBlockerExecutionBlockInterval")
+	DefaultGlobalDebt                     = sdk.NewCoin(DefaultStableDenom, sdk.ZeroInt())
+	DefaultCircuitBreaker                 = false
+	DefaultCollateralParams               = CollateralParams{}
+	DefaultDebtParam                      = DebtParam{
 		Denom:            "usdx",
 		ReferenceAsset:   "usd",
 		ConversionFactor: sdkmath.NewInt(6),
@ -39,22 +40,25 @@ var (
 	DefaultSurplusLot       = sdkmath.NewInt(10000000000)
 	DefaultDebtLot          = sdkmath.NewInt(10000000000)
 	stabilityFeeMax         = sdk.MustNewDecFromStr("1.000000051034942716") // 500% APR
+	// Run every block
+	DefaultBeginBlockerExecutionBlockInterval = int64(1)
 )

 // NewParams returns a new params object
 func NewParams(
 	debtLimit sdk.Coin, collateralParams CollateralParams, debtParam DebtParam, surplusThreshold,
-	surplusLot, debtThreshold, debtLot sdkmath.Int, breaker bool,
+	surplusLot, debtThreshold, debtLot sdkmath.Int, breaker bool, beginBlockerExecutionBlockInterval int64,
 ) Params {
 	return Params{
-		GlobalDebtLimit:         debtLimit,
-		CollateralParams:        collateralParams,
-		DebtParam:               debtParam,
-		SurplusAuctionThreshold: surplusThreshold,
-		SurplusAuctionLot:       surplusLot,
-		DebtAuctionThreshold:    debtThreshold,
-		DebtAuctionLot:          debtLot,
-		CircuitBreaker:          breaker,
+		GlobalDebtLimit:          debtLimit,
+		CollateralParams:         collateralParams,
+		DebtParam:                debtParam,
+		SurplusAuctionThreshold:  surplusThreshold,
+		SurplusAuctionLot:        surplusLot,
+		DebtAuctionThreshold:     debtThreshold,
+		DebtAuctionLot:           debtLot,
+		CircuitBreaker:           breaker,
+		LiquidationBlockInterval: beginBlockerExecutionBlockInterval,
 	}
 }

@ -63,7 +67,7 @@ func DefaultParams() Params {
 	return NewParams(
 		DefaultGlobalDebt, DefaultCollateralParams, DefaultDebtParam, DefaultSurplusThreshold,
 		DefaultSurplusLot, DefaultDebtThreshold, DefaultDebtLot,
-		DefaultCircuitBreaker,
+		DefaultCircuitBreaker, DefaultBeginBlockerExecutionBlockInterval,
 	)
 }

@ -122,6 +126,7 @@ func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
 		paramtypes.NewParamSetPair(KeySurplusLot, &p.SurplusAuctionLot, validateSurplusAuctionLotParam),
 		paramtypes.NewParamSetPair(KeyDebtThreshold, &p.DebtAuctionThreshold, validateDebtAuctionThresholdParam),
 		paramtypes.NewParamSetPair(KeyDebtLot, &p.DebtAuctionLot, validateDebtAuctionLotParam),
+		paramtypes.NewParamSetPair(KeyBeginBlockerExecutionBlockInterval, &p.LiquidationBlockInterval, validateBeginBlockerExecutionBlockIntervalParam),
 	}
 }

@ -143,6 +148,10 @@ func (p Params) Validate() error {
 		return err
 	}

+	if err := validateBeginBlockerExecutionBlockIntervalParam(p.LiquidationBlockInterval); err != nil {
+		return err
+	}
+
 	if err := validateSurplusAuctionThresholdParam(p.SurplusAuctionThreshold); err != nil {
 		return err
 	}
@ -346,3 +355,16 @@ func validateDebtAuctionLotParam(i interface{}) error {

 	return nil
 }
+
+func validateBeginBlockerExecutionBlockIntervalParam(i interface{}) error {
+	bbebi, ok := i.(int64)
+	if !ok {
+		return fmt.Errorf("invalid parameter type: %T", i)
+	}
+
+	if bbebi <= 0 {
+		return fmt.Errorf("begin blocker execution block interval param should be positive: %d", bbebi)
+	}
+
+	return nil
+}
--- a/x/cdp/types/params_test.go
+++ b/x/cdp/types/params_test.go
@ -20,14 +20,15 @@ func (suite *ParamsTestSuite) SetupTest() {

 func (suite *ParamsTestSuite) TestParamValidation() {
 	type args struct {
-		globalDebtLimit  sdk.Coin
-		collateralParams types.CollateralParams
-		debtParam        types.DebtParam
-		surplusThreshold sdkmath.Int
-		surplusLot       sdkmath.Int
-		debtThreshold    sdkmath.Int
-		debtLot          sdkmath.Int
-		breaker          bool
+		globalDebtLimit                    sdk.Coin
+		collateralParams                   types.CollateralParams
+		debtParam                          types.DebtParam
+		surplusThreshold                   sdkmath.Int
+		surplusLot                         sdkmath.Int
+		debtThreshold                      sdkmath.Int
+		debtLot                            sdkmath.Int
+		breaker                            bool
+		beginBlockerExecutionBlockInterval int64
 	}
 	type errArgs struct {
 		expectPass bool
@ -42,14 +43,15 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 		{
 			name: "default",
 			args: args{
-				globalDebtLimit:  types.DefaultGlobalDebt,
-				collateralParams: types.DefaultCollateralParams,
-				debtParam:        types.DefaultDebtParam,
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				globalDebtLimit:                    types.DefaultGlobalDebt,
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: true,
@ -82,11 +84,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: true,
@ -119,11 +122,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -156,11 +160,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -207,11 +212,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: true,
@ -258,11 +264,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -309,11 +316,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -345,11 +353,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -382,11 +391,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -433,11 +443,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -484,11 +495,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: true,
@ -521,11 +533,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -558,11 +571,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -595,11 +609,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -632,11 +647,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -663,12 +679,13 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 						CheckCollateralizationIndexCount: sdkmath.NewInt(10),
 					},
 				},
-				debtParam:        types.DefaultDebtParam,
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -701,11 +718,12 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 					ConversionFactor: sdkmath.NewInt(6),
 					DebtFloor:        sdkmath.NewInt(10000000),
 				},
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -715,14 +733,15 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 		{
 			name: "nil debt limit",
 			args: args{
-				globalDebtLimit:  sdk.Coin{},
-				collateralParams: types.DefaultCollateralParams,
-				debtParam:        types.DefaultDebtParam,
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				globalDebtLimit:                    sdk.Coin{},
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -732,14 +751,15 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 		{
 			name: "zero surplus auction threshold",
 			args: args{
-				globalDebtLimit:  types.DefaultGlobalDebt,
-				collateralParams: types.DefaultCollateralParams,
-				debtParam:        types.DefaultDebtParam,
-				surplusThreshold: sdk.ZeroInt(),
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				globalDebtLimit:                    types.DefaultGlobalDebt,
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   sdk.ZeroInt(),
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -749,14 +769,15 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 		{
 			name: "zero debt auction threshold",
 			args: args{
-				globalDebtLimit:  types.DefaultGlobalDebt,
-				collateralParams: types.DefaultCollateralParams,
-				debtParam:        types.DefaultDebtParam,
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    sdk.ZeroInt(),
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				globalDebtLimit:                    types.DefaultGlobalDebt,
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      sdk.ZeroInt(),
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -766,14 +787,15 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 		{
 			name: "zero surplus auction lot",
 			args: args{
-				globalDebtLimit:  types.DefaultGlobalDebt,
-				collateralParams: types.DefaultCollateralParams,
-				debtParam:        types.DefaultDebtParam,
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       sdk.ZeroInt(),
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          types.DefaultDebtLot,
-				breaker:          types.DefaultCircuitBreaker,
+				globalDebtLimit:                    types.DefaultGlobalDebt,
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         sdk.ZeroInt(),
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
@ -783,24 +805,61 @@ func (suite *ParamsTestSuite) TestParamValidation() {
 		{
 			name: "zero debt auction lot",
 			args: args{
-				globalDebtLimit:  types.DefaultGlobalDebt,
-				collateralParams: types.DefaultCollateralParams,
-				debtParam:        types.DefaultDebtParam,
-				surplusThreshold: types.DefaultSurplusThreshold,
-				surplusLot:       types.DefaultSurplusLot,
-				debtThreshold:    types.DefaultDebtThreshold,
-				debtLot:          sdk.ZeroInt(),
-				breaker:          types.DefaultCircuitBreaker,
+				globalDebtLimit:                    types.DefaultGlobalDebt,
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            sdk.ZeroInt(),
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: types.DefaultBeginBlockerExecutionBlockInterval,
 			},
 			errArgs: errArgs{
 				expectPass: false,
 				contains:   "debt auction lot should be positive",
 			},
 		},
+		{
+			name: "zero begin blocker execution interval",
+			args: args{
+				globalDebtLimit:                    types.DefaultGlobalDebt,
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: 0,
+			},
+			errArgs: errArgs{
+				expectPass: false,
+				contains:   "begin blocker execution block interval param should be positive",
+			},
+		},
+		{
+			name: "negative begin blocker execution interval",
+			args: args{
+				globalDebtLimit:                    types.DefaultGlobalDebt,
+				collateralParams:                   types.DefaultCollateralParams,
+				debtParam:                          types.DefaultDebtParam,
+				surplusThreshold:                   types.DefaultSurplusThreshold,
+				surplusLot:                         types.DefaultSurplusLot,
+				debtThreshold:                      types.DefaultDebtThreshold,
+				debtLot:                            types.DefaultDebtLot,
+				breaker:                            types.DefaultCircuitBreaker,
+				beginBlockerExecutionBlockInterval: -1,
+			},
+			errArgs: errArgs{
+				expectPass: false,
+				contains:   "begin blocker execution block interval param should be positive",
+			},
+		},
 	}
 	for _, tc := range testCases {
 		suite.Run(tc.name, func() {
-			params := types.NewParams(tc.args.globalDebtLimit, tc.args.collateralParams, tc.args.debtParam, tc.args.surplusThreshold, tc.args.surplusLot, tc.args.debtThreshold, tc.args.debtLot, tc.args.breaker)
+			params := types.NewParams(tc.args.globalDebtLimit, tc.args.collateralParams, tc.args.debtParam, tc.args.surplusThreshold, tc.args.surplusLot, tc.args.debtThreshold, tc.args.debtLot, tc.args.breaker, tc.args.beginBlockerExecutionBlockInterval)
 			err := params.Validate()
 			if tc.errArgs.expectPass {
 				suite.Require().NoError(err)
--- a/x/community/testutil/cdp_genesis.go
+++ b/x/community/testutil/cdp_genesis.go
@ -13,11 +13,12 @@ import (
 func NewCDPGenState(cdc codec.JSONCodec, denom, asset string, liquidationRatio sdk.Dec) app.GenesisState {
 	cdpGenesis := cdptypes.GenesisState{
 		Params: cdptypes.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 1000000000000),
-			SurplusAuctionThreshold: cdptypes.DefaultSurplusThreshold,
-			SurplusAuctionLot:       cdptypes.DefaultSurplusLot,
-			DebtAuctionThreshold:    cdptypes.DefaultDebtThreshold,
-			DebtAuctionLot:          cdptypes.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 1000000000000),
+			SurplusAuctionThreshold:  cdptypes.DefaultSurplusThreshold,
+			SurplusAuctionLot:        cdptypes.DefaultSurplusLot,
+			DebtAuctionThreshold:     cdptypes.DefaultDebtThreshold,
+			DebtAuctionLot:           cdptypes.DefaultDebtLot,
+			LiquidationBlockInterval: cdptypes.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: cdptypes.CollateralParams{
 				{
 					Denom:                            denom,
--- a/x/incentive/integration_test.go
+++ b/x/incentive/integration_test.go
@ -23,11 +23,12 @@ func c(denom string, amount int64) sdk.Coin { return sdk.NewInt64Coin(denom, amo
 func NewCDPGenStateMulti(cdc codec.JSONCodec) app.GenesisState {
 	cdpGenesis := cdptypes.GenesisState{
 		Params: cdptypes.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 2000000000000),
-			SurplusAuctionThreshold: cdptypes.DefaultSurplusThreshold,
-			SurplusAuctionLot:       cdptypes.DefaultSurplusLot,
-			DebtAuctionThreshold:    cdptypes.DefaultDebtThreshold,
-			DebtAuctionLot:          cdptypes.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 2000000000000),
+			SurplusAuctionThreshold:  cdptypes.DefaultSurplusThreshold,
+			SurplusAuctionLot:        cdptypes.DefaultSurplusLot,
+			DebtAuctionThreshold:     cdptypes.DefaultDebtThreshold,
+			DebtAuctionLot:           cdptypes.DefaultDebtLot,
+			LiquidationBlockInterval: cdptypes.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: cdptypes.CollateralParams{
 				{
 					Denom:               "xrp",
--- a/x/incentive/keeper/integration_test.go
+++ b/x/incentive/keeper/integration_test.go
@ -29,11 +29,12 @@ func dcs(coins ...sdk.DecCoin) sdk.DecCoins { return sdk.NewDecCoins(coins...) }
 func NewCDPGenStateMulti(cdc codec.JSONCodec) app.GenesisState {
 	cdpGenesis := cdptypes.GenesisState{
 		Params: cdptypes.Params{
-			GlobalDebtLimit:         sdk.NewInt64Coin("usdx", 2000000000000),
-			SurplusAuctionThreshold: cdptypes.DefaultSurplusThreshold,
-			SurplusAuctionLot:       cdptypes.DefaultSurplusLot,
-			DebtAuctionThreshold:    cdptypes.DefaultDebtThreshold,
-			DebtAuctionLot:          cdptypes.DefaultDebtLot,
+			GlobalDebtLimit:          sdk.NewInt64Coin("usdx", 2000000000000),
+			SurplusAuctionThreshold:  cdptypes.DefaultSurplusThreshold,
+			SurplusAuctionLot:        cdptypes.DefaultSurplusLot,
+			DebtAuctionThreshold:     cdptypes.DefaultDebtThreshold,
+			DebtAuctionLot:           cdptypes.DefaultDebtLot,
+			LiquidationBlockInterval: cdptypes.DefaultBeginBlockerExecutionBlockInterval,
 			CollateralParams: cdptypes.CollateralParams{
 				{
 					Denom:               "xrp",