feat: v2 migrations

CHANGELOG.md

@@ -21,6 +21,7 @@ Some PRs from v2.0.0 may reappear from other releases below. This is due to the
 
 ## PRs included in v2.0.0
 
+* (feat) v2 migrations [#975](https://github.com/cosmos/interchain-security/pull/975)
 * (deps) Bump github.com/cosmos/ibc-go/v4 from 4.4.0 to 4.4.2 [#982](https://github.com/cosmos/interchain-security/pull/982)
 * (fix) partially revert key assignment type safety PR [#980](https://github.com/cosmos/interchain-security/pull/980)
 * (fix) Remove panics on failure to send IBC packets [#876](https://github.com/cosmos/interchain-security/pull/876)

app/consumer-democracy/app.go

@@ -117,7 +117,7 @@ import (
 
 const (
 	AppName              = "interchain-security-cd"
-	upgradeName          = "v07-Theta" // arbitrary name, define your own appropriately named upgrade
+	upgradeName          = "ics-v1-to-v2" // arbitrary name, define your own appropriately named upgrade
 	AccountAddressPrefix = "cosmos"
 )
 
@@ -441,7 +441,7 @@ func New(
 
 	// register slashing module StakingHooks to the consumer keeper
 	app.ConsumerKeeper = *app.ConsumerKeeper.SetHooks(app.SlashingKeeper.Hooks())
-	consumerModule := consumer.NewAppModule(app.ConsumerKeeper)
+	consumerModule := consumer.NewAppModule(app.ConsumerKeeper, app.GetSubspace(consumertypes.ModuleName))
 
 	app.TransferKeeper = ibctransferkeeper.NewKeeper(
 		appCodec,
@@ -628,6 +628,8 @@ func New(
 	app.SetBeginBlocker(app.BeginBlocker)
 	app.SetEndBlocker(app.EndBlocker)
 
+	// Note this upgrade handler is just an example and may not be exactly what you need to implement.
+	// See https://docs.cosmos.network/v0.45/building-modules/upgrade.html
 	app.UpgradeKeeper.SetUpgradeHandler(
 		upgradeName,
 		func(ctx sdk.Context, _ upgradetypes.Plan, _ module.VersionMap) (module.VersionMap, error) {

app/consumer/app.go

@@ -90,7 +90,7 @@ import (
 
 const (
 	AppName              = "interchain-security-c"
-	upgradeName          = "v07-Theta"
+	upgradeName          = "ics-v1-to-v2"
 	AccountAddressPrefix = "cosmos"
 )
 
@@ -343,7 +343,7 @@ func New(
 
 	// register slashing module Slashing hooks to the consumer keeper
 	app.ConsumerKeeper = *app.ConsumerKeeper.SetHooks(app.SlashingKeeper.Hooks())
-	consumerModule := ibcconsumer.NewAppModule(app.ConsumerKeeper)
+	consumerModule := ibcconsumer.NewAppModule(app.ConsumerKeeper, app.GetSubspace(ibcconsumertypes.ModuleName))
 
 	app.TransferKeeper = ibctransferkeeper.NewKeeper(
 		appCodec,
@@ -510,6 +510,8 @@ func New(
 	app.SetBeginBlocker(app.BeginBlocker)
 	app.SetEndBlocker(app.EndBlocker)
 
+	// Note this upgrade handler is just an example and may not be exactly what you need to implement.
+	// See https://docs.cosmos.network/v0.45/building-modules/upgrade.html
 	app.UpgradeKeeper.SetUpgradeHandler(
 		upgradeName,
 		func(ctx sdk.Context, _ upgradetypes.Plan, _ module.VersionMap) (module.VersionMap, error) {

app/provider/app.go

@@ -109,7 +109,7 @@ import (
 
 const (
 	AppName              = "interchain-security-p"
-	upgradeName          = "v07-Theta"
+	upgradeName          = "ics-v1-to-v2"
 	AccountAddressPrefix = "cosmos"
 )
 
@@ -415,7 +415,7 @@ func New(
 		authtypes.FeeCollectorName,
 	)
 
-	providerModule := ibcprovider.NewAppModule(&app.ProviderKeeper)
+	providerModule := ibcprovider.NewAppModule(&app.ProviderKeeper, app.GetSubspace(providertypes.ModuleName))
 
 	// register the proposal types
 	govRouter := govtypes.NewRouter()
@@ -616,6 +616,8 @@ func New(
 	app.SetBeginBlocker(app.BeginBlocker)
 	app.SetEndBlocker(app.EndBlocker)
 
+	// Note this upgrade handler is just an example and may not be exactly what you need to implement.
+	// See https://docs.cosmos.network/v0.45/building-modules/upgrade.html
 	app.UpgradeKeeper.SetUpgradeHandler(
 		upgradeName,
 		func(ctx sdk.Context, _ upgradetypes.Plan, _ module.VersionMap) (module.VersionMap, error) {

x/ccv/consumer/ibc_module_test.go

@@ -121,9 +121,10 @@ func TestOnChanOpenInit(t *testing.T) {
 	for _, tc := range testCases {
 
 		// Common setup
+		keeperParams := testkeeper.NewInMemKeeperParams(t)
 		consumerKeeper, ctx, ctrl, mocks := testkeeper.GetConsumerKeeperAndCtx(
-			t, testkeeper.NewInMemKeeperParams(t))
-		consumerModule := consumer.NewAppModule(consumerKeeper)
+			t, keeperParams)
+		consumerModule := consumer.NewAppModule(consumerKeeper, *keeperParams.ParamsSubspace)
 
 		consumerKeeper.SetPort(ctx, ccv.ConsumerPortID)
 		consumerKeeper.SetProviderClientID(ctx, "clientIDToProvider")
@@ -172,10 +173,11 @@ func TestOnChanOpenInit(t *testing.T) {
 // See: https://github.com/cosmos/ibc/blob/main/spec/app/ics-028-cross-chain-validation/methods.md#ccv-ccf-cotry1
 // Spec tag: [CCV-CCF-COTRY.1]
 func TestOnChanOpenTry(t *testing.T) {
-	consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, testkeeper.NewInMemKeeperParams(t))
+	keeperParams := testkeeper.NewInMemKeeperParams(t)
+	consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, keeperParams)
 	// No external keeper methods should be called
 	defer ctrl.Finish()
-	consumerModule := consumer.NewAppModule(consumerKeeper)
+	consumerModule := consumer.NewAppModule(consumerKeeper, *keeperParams.ParamsSubspace)
 
 	// OnOpenTry must error even with correct arguments
 	_, err := consumerModule.OnChanOpenTry(
@@ -266,9 +268,10 @@ func TestOnChanOpenAck(t *testing.T) {
 
 	for _, tc := range testCases {
 		// Common setup
+		keeperParams := testkeeper.NewInMemKeeperParams(t)
 		consumerKeeper, ctx, ctrl, mocks := testkeeper.GetConsumerKeeperAndCtx(
-			t, testkeeper.NewInMemKeeperParams(t))
-		consumerModule := consumer.NewAppModule(consumerKeeper)
+			t, keeperParams)
+		consumerModule := consumer.NewAppModule(consumerKeeper, *keeperParams.ParamsSubspace)
 
 		// Instantiate valid params as default. Individual test cases mutate these as needed.
 		params := params{
@@ -316,9 +319,10 @@ func TestOnChanOpenAck(t *testing.T) {
 // See: https://github.com/cosmos/ibc/blob/main/spec/app/ics-028-cross-chain-validation/methods.md#ccv-ccf-coconfirm1
 // Spec tag: [CCV-CCF-COCONFIRM.1]
 func TestOnChanOpenConfirm(t *testing.T) {
-	consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, testkeeper.NewInMemKeeperParams(t))
+	keeperParams := testkeeper.NewInMemKeeperParams(t)
+	consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, keeperParams)
 	defer ctrl.Finish()
-	consumerModule := consumer.NewAppModule(consumerKeeper)
+	consumerModule := consumer.NewAppModule(consumerKeeper, *keeperParams.ParamsSubspace)
 
 	err := consumerModule.OnChanOpenConfirm(ctx, ccv.ConsumerPortID, "channel-1")
 	require.Error(t, err, "OnChanOpenConfirm callback must error on consumer chain")
@@ -356,8 +360,9 @@ func TestOnChanCloseInit(t *testing.T) {
 	}
 
 	for _, tc := range testCases {
-		consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, testkeeper.NewInMemKeeperParams(t))
-		consumerModule := consumer.NewAppModule(consumerKeeper)
+		keeperParams := testkeeper.NewInMemKeeperParams(t)
+		consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, keeperParams)
+		consumerModule := consumer.NewAppModule(consumerKeeper, *keeperParams.ParamsSubspace)
 
 		if tc.establishedProviderExists {
 			consumerKeeper.SetProviderChannel(ctx, "provider")
@@ -379,12 +384,13 @@ func TestOnChanCloseInit(t *testing.T) {
 // See: https://github.com/cosmos/ibc/blob/main/spec/app/ics-028-cross-chain-validation/methods.md#ccv-pcf-ccconfirm1// Spec tag: [CCV-CCF-CCINIT.1]
 // Spec tag: [CCV-PCF-CCCONFIRM.1]
 func TestOnChanCloseConfirm(t *testing.T) {
-	consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, testkeeper.NewInMemKeeperParams(t))
+	keeperParams := testkeeper.NewInMemKeeperParams(t)
+	consumerKeeper, ctx, ctrl, _ := testkeeper.GetConsumerKeeperAndCtx(t, keeperParams)
 
 	// No external keeper methods should be called
 	defer ctrl.Finish()
 
-	consumerModule := consumer.NewAppModule(consumerKeeper)
+	consumerModule := consumer.NewAppModule(consumerKeeper, *keeperParams.ParamsSubspace)
 
 	// Nothing happens, no error returned
 	err := consumerModule.OnChanCloseConfirm(ctx, "portID", "channelID")

x/ccv/consumer/keeper/keeper.go

@@ -92,6 +92,12 @@ func (k *Keeper) SetStandaloneStakingKeeper(sk ccv.StakingKeeper) {
 	k.standaloneStakingKeeper = sk
 }
 
+// SetParamSpace sets the param space for the consumer keeper.
+// Note: this is only used for testing!
+func (k *Keeper) SetParamSpace(ctx sdk.Context, ps paramtypes.Subspace) {
+	k.paramStore = ps
+}
+
 // Validates that the consumer keeper is initialized with non-zero and
 // non-nil values for all its fields. Otherwise this method will panic.
 func (k Keeper) mustValidateFields() {

x/ccv/consumer/keeper/migration.go

@@ -0,0 +1,83 @@
+package keeper
+
+import (
+	"time"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
+	consumertypes "github.com/cosmos/interchain-security/v2/x/ccv/consumer/types"
+	ccvtypes "github.com/cosmos/interchain-security/v2/x/ccv/types"
+)
+
+// Migrator is a struct for handling in-place store migrations.
+type Migrator struct {
+	ccvConsumerKeeper     Keeper
+	ccvConsumerParamSpace paramtypes.Subspace
+}
+
+// NewMigrator returns a new Migrator.
+func NewMigrator(ccvConsumerKeeper Keeper, ccvConsumerParamSpace paramtypes.Subspace) Migrator {
+	return Migrator{ccvConsumerKeeper: ccvConsumerKeeper, ccvConsumerParamSpace: ccvConsumerParamSpace}
+}
+
+// Migratev1p2p0MultidenTov2 migrates a consumer from v1.2.0-multiden to v2.0.0.
+func (m Migrator) Migratev1p2p0MultidenTov2(ctx sdk.Context) error {
+	// Note: If migrating from v1.2.0-multiden to v2.0.0, there are no migrations required.
+	// This is due to the fact that the former version includes both of:
+	// - https://github.com/cosmos/interchain-security/commit/54e9852d3c89a2513cd0170a56c6eec894fc878d
+	// - https://github.com/cosmos/interchain-security/pull/833
+	// both of which handle the introduction of new params.
+	return nil
+}
+
+// Migratev1Tov2 migrates a consumer from v1.0.0 to v2.0.0.
+func (m Migrator) Migratev1Tov2(ctx sdk.Context) error {
+	// Migrate params
+	MigrateParamsv1Tov2(ctx, m.ccvConsumerParamSpace)
+
+	return nil
+}
+
+// MigrateParamsv1Tov2 migrates the consumer CCV module params from v1.0.0 to v2.0.0,
+// setting default values for new params.
+func MigrateParamsv1Tov2(ctx sdk.Context, paramsSubspace paramtypes.Subspace) {
+	// Get old params
+	var enabled bool
+	paramsSubspace.Get(ctx, consumertypes.KeyEnabled, &enabled)
+	var blocksPerDistributionTransmission int64
+	paramsSubspace.Get(ctx, consumertypes.KeyBlocksPerDistributionTransmission, &blocksPerDistributionTransmission)
+	var distributionTransmissionChannel string
+	paramsSubspace.Get(ctx, consumertypes.KeyDistributionTransmissionChannel, &distributionTransmissionChannel)
+	var providerFeePoolAddrStr string
+	paramsSubspace.Get(ctx, consumertypes.KeyProviderFeePoolAddrStr, &providerFeePoolAddrStr)
+	var ccvTimeoutPeriod time.Duration
+	paramsSubspace.Get(ctx, ccvtypes.KeyCCVTimeoutPeriod, &ccvTimeoutPeriod)
+	var transferTimeoutPeriod time.Duration
+	paramsSubspace.Get(ctx, consumertypes.KeyTransferTimeoutPeriod, &transferTimeoutPeriod)
+	var consumerRedistributionFrac string
+	paramsSubspace.Get(ctx, consumertypes.KeyConsumerRedistributionFrac, &consumerRedistributionFrac)
+	var historicalEntries int64
+	paramsSubspace.Get(ctx, consumertypes.KeyHistoricalEntries, &historicalEntries)
+	var unbondingPeriod time.Duration
+	paramsSubspace.Get(ctx, consumertypes.KeyConsumerUnbondingPeriod, &unbondingPeriod)
+
+	// Recycle old params, set new params to default values
+	defaultParams := consumertypes.DefaultParams()
+	newParams := consumertypes.NewParams(
+		enabled,
+		blocksPerDistributionTransmission,
+		distributionTransmissionChannel,
+		providerFeePoolAddrStr,
+		ccvTimeoutPeriod,
+		transferTimeoutPeriod,
+		consumerRedistributionFrac,
+		historicalEntries,
+		unbondingPeriod,
+		defaultParams.SoftOptOutThreshold,
+		defaultParams.RewardDenoms,
+		defaultParams.ProviderRewardDenoms,
+	)
+
+	// Persist new params
+	paramsSubspace.SetParamSet(ctx, &newParams)
+}