[R4R] kava 5 migration (#848)

* wip: kava-5 migration

* feat: kava 5 migration

* fix: don't repeat genesis time

migrate/v0_13/migrate.go

@@ -5,11 +5,17 @@ import (
 	"sort"
 	"time"
 
+	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/auth"
 	authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
+	"github.com/cosmos/cosmos-sdk/x/genutil"
 	"github.com/cosmos/cosmos-sdk/x/supply"
 
+	cryptoAmino "github.com/tendermint/tendermint/crypto/encoding/amino"
+	tmtypes "github.com/tendermint/tendermint/types"
+
+	"github.com/kava-labs/kava/app"
 	"github.com/kava-labs/kava/x/bep3"
 	v0_13cdp "github.com/kava-labs/kava/x/cdp"
 	v0_11cdp "github.com/kava-labs/kava/x/cdp/legacy/v0_11"
@@ -31,6 +37,87 @@ var (
 	ClaimEndTime  = time.Date(2026, 2, 25, 14, 0, 0, 0, time.UTC)
 )
 
+// Migrate translates a genesis file from kava v0.11 (or v0.12) format to kava v0.13.x format.
+func Migrate(genDoc tmtypes.GenesisDoc) tmtypes.GenesisDoc {
+	// migrate app state
+	var appStateMap genutil.AppMap
+	cdc := codec.New()
+	cryptoAmino.RegisterAmino(cdc)
+	tmtypes.RegisterEvidences(cdc)
+
+	if err := cdc.UnmarshalJSON(genDoc.AppState, &appStateMap); err != nil {
+		panic(err)
+	}
+	newAppState := MigrateAppState(appStateMap)
+	v0_13Codec := app.MakeCodec()
+	marshaledNewAppState, err := v0_13Codec.MarshalJSON(newAppState)
+	if err != nil {
+		panic(err)
+	}
+	genDoc.AppState = marshaledNewAppState
+	genDoc.GenesisTime = GenesisTime
+	genDoc.ChainID = "kava-5"
+	genDoc.ConsensusParams.Block.MaxGas = 20000000
+	return genDoc
+}
+
+// MigrateAppState migrates application state from v0.11 (or v0.12) format to a kava v0.13.x format
+func MigrateAppState(v0_11AppState genutil.AppMap) genutil.AppMap {
+	v0_13AppState := v0_11AppState
+	cdc := app.MakeCodec()
+	var hardGenState v0_11hard.GenesisState
+	if v0_11AppState[v0_13hard.ModuleName] == nil {
+		cdc.MustUnmarshalJSON(v0_11AppState[v0_11hard.ModuleName], &hardGenState)
+		delete(v0_11AppState, v0_11hard.ModuleName)
+		v0_13AppState[v0_13hard.ModuleName] = cdc.MustMarshalJSON(
+			Hard(hardGenState))
+	}
+	delete(v0_13AppState, v0_11hard.ModuleName)
+	if v0_11AppState[v0_11cdp.ModuleName] != nil {
+		var cdpGenState v0_11cdp.GenesisState
+		cdc.MustUnmarshalJSON(v0_11AppState[v0_11cdp.ModuleName], &cdpGenState)
+		delete(v0_11AppState, v0_11cdp.ModuleName)
+		v0_13AppState[v0_13cdp.ModuleName] = cdc.MustMarshalJSON(
+			CDP(cdpGenState))
+	}
+	if v0_11AppState[v0_11incentive.ModuleName] != nil {
+		var incentiveGenState v0_11incentive.GenesisState
+		cdc.MustUnmarshalJSON(v0_11AppState[v0_13incentive.ModuleName], &incentiveGenState)
+		delete(v0_11AppState, v0_11incentive.ModuleName)
+		v0_13AppState[v0_13incentive.ModuleName] = cdc.MustMarshalJSON(Incentive(hardGenState, incentiveGenState))
+	}
+	if v0_11AppState[v0_11pricefeed.ModuleName] != nil {
+		var pricefeedGS v0_11pricefeed.GenesisState
+		cdc.MustUnmarshalJSON(v0_11AppState[v0_13pricefeed.ModuleName], &pricefeedGS)
+		delete(v0_11AppState, v0_11pricefeed.ModuleName)
+		v0_13AppState[v0_13pricefeed.ModuleName] = cdc.MustMarshalJSON(Pricefeed(pricefeedGS))
+	}
+	if v0_11AppState[bep3.ModuleName] != nil {
+		var bep3GS bep3.GenesisState
+		cdc.MustUnmarshalJSON(v0_11AppState[bep3.ModuleName], &bep3GS)
+		delete(v0_11AppState, bep3.ModuleName)
+		v0_13AppState[bep3.ModuleName] = cdc.MustMarshalJSON(Bep3(bep3GS))
+	}
+	if v0_11AppState[v0_11committee.ModuleName] != nil {
+		var committeeGS v0_11committee.GenesisState
+		cdc := codec.New()
+		sdk.RegisterCodec(cdc)
+		v0_11committee.RegisterCodec(cdc)
+		cdc.MustUnmarshalJSON(v0_11AppState[v0_11committee.ModuleName], &committeeGS)
+		delete(v0_11AppState, v0_11committee.ModuleName)
+		cdc = app.MakeCodec()
+		v0_13AppState[v0_13committee.ModuleName] = cdc.MustMarshalJSON(Committee(committeeGS))
+	}
+	if v0_11AppState[auth.ModuleName] != nil {
+		var authGS auth.GenesisState
+		cdc.MustUnmarshalJSON(v0_11AppState[auth.ModuleName], &authGS)
+		delete(v0_11AppState, auth.ModuleName)
+		v0_13AppState[auth.ModuleName] = cdc.MustMarshalJSON(Auth(authGS))
+	}
+	return v0_13AppState
+
+}
+
 // CDP migrates from a v0.11 cdp genesis state to a v0.13 cdp genesis state
 func CDP(oldGenState v0_11cdp.GenesisState) v0_13cdp.GenesisState {
 	var newCDPs v0_13cdp.CDPs

migrate/v0_13/migrate_test.go

@@ -11,9 +11,12 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/auth"
 	authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
+	"github.com/cosmos/cosmos-sdk/x/genutil"
 	"github.com/cosmos/cosmos-sdk/x/supply"
 	supplyexported "github.com/cosmos/cosmos-sdk/x/supply/exported"
 
+	tmtypes "github.com/tendermint/tendermint/types"
+
 	"github.com/kava-labs/kava/app"
 	"github.com/kava-labs/kava/x/bep3"
 	v0_11cdp "github.com/kava-labs/kava/x/cdp/legacy/v0_11"
@@ -223,3 +226,25 @@ func TestBep3(t *testing.T) {
 	require.Equal(t, uint64(24686), newGenState.Params.AssetParams[0].MinBlockLock)
 	require.Equal(t, uint64(86400), newGenState.Params.AssetParams[0].MaxBlockLock)
 }
+
+func TestMigrateFull(t *testing.T) {
+	oldGenDoc, err := tmtypes.GenesisDocFromFile(filepath.Join("testdata", "kava-4-export.json"))
+	require.NoError(t, err)
+
+	// 2) migrate
+	newGenDoc := Migrate(*oldGenDoc)
+	tApp := app.NewTestApp()
+	cdc := app.MakeCodec()
+	var newAppState genutil.AppMap
+	require.NoError(t,
+		cdc.UnmarshalJSON(newGenDoc.AppState, &newAppState),
+	)
+	err = app.ModuleBasics.ValidateGenesis(newAppState)
+	if err != nil {
+		require.NoError(t, err)
+	}
+	require.NotPanics(t, func() {
+		// this runs both InitGenesis for all modules (which panic on errors) and runs all invariants
+		tApp.InitializeFromGenesisStatesWithTime(newGenDoc.GenesisTime, app.GenesisState(newAppState))
+	})
+}

x/committee/legacy/v0_11/types.go

@@ -21,6 +21,7 @@ import (
 
 const (
 	MaxCommitteeDescriptionLength int = 512
+	ModuleName                        = "committee"
 )
 
 // Permission is anything with a method that validates whether a proposal is allowed by it or not.

x/incentive/legacy/v0_11/types.go

@@ -14,6 +14,7 @@ const (
 	Small      MultiplierName = "small"
 	Medium     MultiplierName = "medium"
 	Large      MultiplierName = "large"
+	ModuleName                = "incentive"
 )
 
 // GenesisClaimPeriodID stores the next claim id and its corresponding collateral type