From 6f5d86281dac11901dad4557d912c29992387d01 Mon Sep 17 00:00:00 2001
From: Philip Su <philip.su.522@gmail.com>
Date: Thu, 11 Jan 2024 10:38:32 -0800
Subject: [PATCH 1/2] Add migration handler for disabling seqno

---
 x/auth/keeper/migrations.go    |  6 ++++++
 x/auth/keeper/v2_to_v3_test.go | 28 ++++++++++++++++++++++++++++
 x/auth/module.go               |  6 +++++-
 x/params/types/subspace.go     |  1 +
 4 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 x/auth/keeper/v2_to_v3_test.go

diff --git a/x/auth/keeper/migrations.go b/x/auth/keeper/migrations.go
index d3ad7a2f8..4e16d9288 100644
--- a/x/auth/keeper/migrations.go
+++ b/x/auth/keeper/migrations.go
@@ -41,3 +41,9 @@ func (m Migrator) Migrate1to2(ctx sdk.Context) error {
 
 	return iterErr
 }
+
+func (m Migrator) Migrate2to3(ctx sdk.Context) error {
+	defaultParams := types.DefaultParams()
+	m.keeper.SetParams(ctx, defaultParams)
+	return nil
+}
diff --git a/x/auth/keeper/v2_to_v3_test.go b/x/auth/keeper/v2_to_v3_test.go
new file mode 100644
index 000000000..92b3e631b
--- /dev/null
+++ b/x/auth/keeper/v2_to_v3_test.go
@@ -0,0 +1,28 @@
+package keeper_test
+
+import (
+	"github.com/cosmos/cosmos-sdk/x/auth/keeper"
+	"github.com/cosmos/cosmos-sdk/x/auth/types"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestMigrate2to3(t *testing.T) {
+	app, ctx := createTestApp(true)
+
+	prevParams := types.Params{
+		MaxMemoCharacters:      types.DefaultMaxMemoCharacters,
+		TxSigLimit:             types.DefaultTxSigLimit,
+		TxSizeCostPerByte:      types.DefaultTxSizeCostPerByte,
+		SigVerifyCostED25519:   types.DefaultSigVerifyCostED25519,
+		SigVerifyCostSecp256k1: types.DefaultSigVerifyCostSecp256k1,
+	}
+
+	app.AccountKeeper.SetParams(ctx, prevParams)
+	// migrate to default params
+	m := keeper.NewMigrator(app.AccountKeeper, app.GRPCQueryRouter())
+	err := m.Migrate2to3(ctx)
+	require.NoError(t, err)
+	params := app.AccountKeeper.GetParams(ctx)
+	require.Equal(t, params.DisableSeqnoCheck, false)
+}
diff --git a/x/auth/module.go b/x/auth/module.go
index ef13f74a5..ef2d1f2e2 100644
--- a/x/auth/module.go
+++ b/x/auth/module.go
@@ -134,6 +134,10 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 	if err != nil {
 		panic(err)
 	}
+	err = cfg.RegisterMigration(types.ModuleName, 2, m.Migrate2to3)
+	if err != nil {
+		panic(err)
+	}
 }
 
 // InitGenesis performs genesis initialization for the auth module. It returns
@@ -153,7 +157,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 }
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
-func (AppModule) ConsensusVersion() uint64 { return 2 }
+func (AppModule) ConsensusVersion() uint64 { return 3 }
 
 // AppModuleSimulation functions
 
diff --git a/x/params/types/subspace.go b/x/params/types/subspace.go
index 51b335ec6..5f8bc4459 100644
--- a/x/params/types/subspace.go
+++ b/x/params/types/subspace.go
@@ -219,6 +219,7 @@ func (s Subspace) Update(ctx sdk.Context, key, value []byte) error {
 // in the ParamSetPair by calling Subspace#Get.
 func (s Subspace) GetParamSet(ctx sdk.Context, ps ParamSet) {
 	for _, pair := range ps.ParamSetPairs() {
+		fmt.Printf("PSUDEBUG - pairs: %s\n", pair)
 		s.Get(ctx, pair.Key, pair.Value)
 	}
 }

From 85d37d9b719422a44b51d4f0d8ee9355ca81e9a6 Mon Sep 17 00:00:00 2001
From: Philip Su <philip.su.522@gmail.com>
Date: Thu, 11 Jan 2024 11:25:46 -0800
Subject: [PATCH 2/2] rm printf

---
 x/params/types/subspace.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/x/params/types/subspace.go b/x/params/types/subspace.go
index 5f8bc4459..51b335ec6 100644
--- a/x/params/types/subspace.go
+++ b/x/params/types/subspace.go
@@ -219,7 +219,6 @@ func (s Subspace) Update(ctx sdk.Context, key, value []byte) error {
 // in the ParamSetPair by calling Subspace#Get.
 func (s Subspace) GetParamSet(ctx sdk.Context, ps ParamSet) {
 	for _, pair := range ps.ParamSetPairs() {
-		fmt.Printf("PSUDEBUG - pairs: %s\n", pair)
 		s.Get(ctx, pair.Key, pair.Value)
 	}
 }