feat: add ceers fork

app/app.go

@@ -66,6 +66,8 @@ import (
 
 	milkywayante "github.com/milkyway-labs/milkyway/v3/ante"
 	milkywayabci "github.com/milkyway-labs/milkyway/v3/app/abci"
+	"github.com/milkyway-labs/milkyway/v3/app/forks"
+	ceers2112 "github.com/milkyway-labs/milkyway/v3/app/forks/ceers-2112"
 	"github.com/milkyway-labs/milkyway/v3/app/keepers"
 	"github.com/milkyway-labs/milkyway/v3/app/upgrades"
 	v3 "github.com/milkyway-labs/milkyway/v3/app/upgrades/v3"
@@ -77,6 +79,10 @@ var (
 	// DefaultNodeHome default home directories for the application daemon
 	DefaultNodeHome string
 
+	Forks = []forks.Fork{
+		ceers2112.Fork,
+	}
+
 	Upgrades = []upgrades.Upgrade{
 		v3.Upgrade,
 	}
@@ -354,6 +360,7 @@ func NewMilkyWayApp(
 
 	app.setupUpgradeHandlers()
 	app.setupUpgradeStoreLoaders()
+	app.setupForksPreBlockers()
 
 	// At startup, after all modules have been registered, check that all prot
 	// annotations are correct.
@@ -547,6 +554,18 @@ func (app *MilkyWayApp) setupUpgradeHandlers() {
 	}
 }
 
+func (app *MilkyWayApp) setupForksPreBlockers() {
+	for _, fork := range Forks {
+		currentPreBlocker := app.PreBlocker()
+		app.SetPreBlocker(func(ctx sdk.Context, req *abci.RequestFinalizeBlock) (*sdk.ResponsePreBlock, error) {
+			if req.Height == fork.ForkHeight {
+				fork.BeginForkLogic(ctx, &app.AppKeepers)
+			}
+			return currentPreBlocker(ctx, req)
+		})
+	}
+}
+
 // RegisterSwaggerAPI registers swagger route with API Server
 func RegisterSwaggerAPI(rtr *mux.Router) {
 	statikFS, err := fs.New()

app/forks/ceers-2112/constants.go

@@ -0,0 +1,10 @@
+package ceers2112
+
+import (
+	"github.com/milkyway-labs/milkyway/v3/app/forks"
+)
+
+var Fork = forks.Fork{
+	ForkHeight:     301230,
+	BeginForkLogic: BeginFork,
+}

app/forks/ceers-2112/fork.go

@@ -0,0 +1,29 @@
+package ceers2112
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/milkyway-labs/milkyway/v3/app/keepers"
+)
+
+func BeginFork(ctx sdk.Context, keepers *keepers.AppKeepers) {
+	ctx.Logger().Debug(`
+===================================================================================================
+==== Forking chain state
+===================================================================================================
+`)
+
+	// Update the gov params to make sure the min deposit amount is set to stake
+	params, err := keepers.GovKeeper.Params.Get(ctx)
+	if err != nil {
+		panic(err)
+	}
+
+	params.MinDeposit = sdk.NewCoins(sdk.NewInt64Coin("stake", 1000000))
+	params.ExpeditedMinDeposit = sdk.NewCoins(sdk.NewInt64Coin("stake", 5000000))
+
+	err = keepers.GovKeeper.Params.Set(ctx, params)
+	if err != nil {
+		panic(err)
+	}
+}

app/forks/types.go

@@ -0,0 +1,20 @@
+package forks
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/milkyway-labs/milkyway/v3/app/keepers"
+)
+
+// Fork defines a struct containing the requisite fields for a non-software upgrade proposal
+// Hard Fork at a given height to implement.
+// There is one time code that can be added for the start of the Fork, in `BeginForkLogic`.
+// Any other change in the code should be height-gated, if the goal is to have old and new binaries
+// to be compatible prior to the upgrade height.
+type Fork struct {
+	// ForkHeight represents the height the upgrade occurs at
+	ForkHeight int64
+
+	// Function that runs some custom state transition code at the beginning of a fork.
+	BeginForkLogic func(ctx sdk.Context, keepers *keepers.AppKeepers)
+}

app/upgrades/types.go

@@ -3,8 +3,6 @@ package upgrades
 import (
 	store "cosmossdk.io/store/types"
 	upgradetypes "cosmossdk.io/x/upgrade/types"
-
-	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/module"
 
 	"github.com/milkyway-labs/milkyway/v3/app/keepers"
@@ -24,18 +22,3 @@ type Upgrade struct {
 	// Store upgrades, should be used for any new modules introduced, new modules deleted, or store names renamed.
 	StoreUpgrades store.StoreUpgrades
 }
-
-// Fork defines a struct containing the requisite fields for a non-software upgrade proposal
-// Hard Fork at a given height to implement.
-// There is one time code that can be added for the start of the Fork, in `BeginForkLogic`.
-// Any other change in the code should be height-gated, if the goal is to have old and new binaries
-// to be compatible prior to the upgrade height.
-type Fork struct {
-	// Upgrade version name, for the upgrade handler, e.g. `v7`
-	UpgradeName string
-	// height the upgrade occurs at
-	UpgradeHeight int64
-
-	// Function that runs some custom state transition code at the beginning of a fork.
-	BeginForkLogic func(ctx sdk.Context, keepers *keepers.AppKeepers)
-}