feat: add ophost module

app/app.go

@@ -120,6 +120,7 @@ import (
 	// this line is used by starport scaffolding # stargate/app/moduleImport
 
 	"github.com/initia-labs/initia/app/ante"
+	"github.com/initia-labs/initia/app/hook"
 	authzmodule "github.com/initia-labs/initia/x/authz/module"
 	"github.com/initia-labs/initia/x/bank"
 	bankkeeper "github.com/initia-labs/initia/x/bank/keeper"
@@ -151,6 +152,10 @@ import (
 	builderkeeper "github.com/skip-mev/pob/x/builder/keeper"
 	buildertypes "github.com/skip-mev/pob/x/builder/types"
 
+	"github.com/initia-labs/OPinit/x/ophost"
+	ophostkeeper "github.com/initia-labs/OPinit/x/ophost/keeper"
+	ophosttypes "github.com/initia-labs/OPinit/x/ophost/types"
+
 	// unnamed import of statik for swagger UI support
 	_ "github.com/initia-labs/initia/client/docs/statik"
 )
@@ -206,6 +211,7 @@ var (
 		ibcperm.AppModuleBasic{},
 		move.AppModuleBasic{},
 		builder.AppModuleBasic{},
+		ophost.AppModuleBasic{},
 	)
 
 	// module account permissions
@@ -288,6 +294,7 @@ type InitiaApp struct {
 	IBCPermKeeper         *ibcpermkeeper.Keeper
 	MoveKeeper            *movekeeper.Keeper
 	BuilderKeeper         *builderkeeper.Keeper // x/builder keeper used to process bids for TOB auctions
+	OPHostKeeper          *ophostkeeper.Keeper
 
 	// make scoped keepers public for test purposes
 	ScopedIBCKeeper           capabilitykeeper.ScopedKeeper
@@ -339,6 +346,7 @@ func NewInitiaApp(
 		authzkeeper.StoreKey, feegrant.StoreKey, icahosttypes.StoreKey,
 		icacontrollertypes.StoreKey, icaauthtypes.StoreKey, ibcfeetypes.StoreKey,
 		routertypes.StoreKey, ibcpermtypes.StoreKey, movetypes.StoreKey, buildertypes.StoreKey,
+		ophosttypes.StoreKey,
 	)
 	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
 	memKeys := sdk.NewMemoryStoreKeys(capabilitytypes.MemStoreKey)
@@ -754,6 +762,16 @@ func NewInitiaApp(
 	)
 	app.BuilderKeeper = &builderKeeper
 
+	opHostKeeper := ophostkeeper.NewKeeper(
+		app.appCodec,
+		app.keys[ophosttypes.StoreKey],
+		app.AccountKeeper,
+		app.BankKeeper,
+		ophosttypes.NewBridgeHooks(hook.NewBridgeHook(app.IBCKeeper.ChannelKeeper, app.IBCPermKeeper)),
+		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
+	)
+	app.OPHostKeeper = &opHostKeeper
+
 	// Register the proposal types
 	// Deprecated: Avoid adding new handlers, instead use the new proposal flow
 	// by granting the governance module the right to execute the message.
@@ -814,6 +832,7 @@ func NewInitiaApp(
 		ibcfee.NewAppModule(*app.IBCFeeKeeper),
 		router.NewAppModule(app.RouterKeeper),
 		ibcperm.NewAppModule(*app.IBCPermKeeper),
+		ophost.NewAppModule(*app.OPHostKeeper),
 	)
 
 	// During begin block slashing happens after distr.BeginBlocker so that
@@ -849,6 +868,7 @@ func NewInitiaApp(
 		ibcpermtypes.ModuleName,
 		consensusparamtypes.ModuleName,
 		buildertypes.ModuleName,
+		ophosttypes.ModuleName,
 	)
 
 	app.mm.SetOrderEndBlockers(
@@ -880,6 +900,7 @@ func NewInitiaApp(
 		ibcpermtypes.ModuleName,
 		consensusparamtypes.ModuleName,
 		buildertypes.ModuleName,
+		ophosttypes.ModuleName,
 	)
 
 	// NOTE: The genutils module must occur after staking so that pools are
@@ -917,6 +938,7 @@ func NewInitiaApp(
 		ibcpermtypes.ModuleName,
 		consensusparamtypes.ModuleName,
 		buildertypes.ModuleName,
+		ophosttypes.ModuleName,
 	)
 
 	app.mm.RegisterInvariants(app.CrisisKeeper)

app/hook/bridge_hook.go

@@ -0,0 +1,81 @@
+package hook
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	ibctransfertypes "github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
+	channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
+
+	ophosttypes "github.com/initia-labs/OPinit/x/ophost/types"
+)
+
+var _ ophosttypes.BridgeHook = BridgeHook{}
+
+type BridgeHook struct {
+	IBCChannelKeeper ChannelKeeper
+	IBCPermKeeper    PermKeeper
+}
+
+type ChannelKeeper interface {
+	GetNextSequenceSend(ctx sdk.Context, portID, channelID string) (uint64, bool)
+}
+
+type PermKeeper interface {
+	SetChannelRelayer(ctx sdk.Context, channel string, relayer sdk.AccAddress)
+}
+
+func NewBridgeHook(channelKeeper ChannelKeeper, permKeeper PermKeeper) BridgeHook {
+	return BridgeHook{channelKeeper, permKeeper}
+}
+
+func (h BridgeHook) BridgeCreated(
+	ctx sdk.Context,
+	bridgeId uint64,
+	bridgeConfig ophosttypes.BridgeConfig,
+) error {
+	channelID := string(bridgeConfig.Metadata)
+	if channeltypes.IsValidChannelID(channelID) {
+		if seq, ok := h.IBCChannelKeeper.GetNextSequenceSend(ctx, ibctransfertypes.PortID, channelID); !ok {
+			return channeltypes.ErrChannelNotFound.Wrap("failed to register permissioned relayer")
+		} else if seq != 1 {
+			return channeltypes.ErrChannelExists.Wrap("cannot register permissioned relayer for the channel in use")
+		}
+
+		challenger, err := sdk.AccAddressFromBech32(bridgeConfig.Challenger)
+		if err != nil {
+			return err
+		}
+
+		// register challenger as channel relayer
+		h.IBCPermKeeper.SetChannelRelayer(ctx, channelID, challenger)
+	}
+
+	return nil
+}
+
+func (h BridgeHook) BridgeChallengerUpdated(
+	ctx sdk.Context,
+	bridgeId uint64,
+	bridgeConfig ophosttypes.BridgeConfig,
+) error {
+	channelID := string(bridgeConfig.Metadata)
+	if channeltypes.IsValidChannelID(channelID) {
+		challenger, err := sdk.AccAddressFromBech32(bridgeConfig.Challenger)
+		if err != nil {
+			return err
+		}
+
+		// update relayer to a new challenger
+		h.IBCPermKeeper.SetChannelRelayer(ctx, channelID, challenger)
+	}
+
+	return nil
+}
+
+func (h BridgeHook) BridgeProposerUpdated(
+	ctx sdk.Context,
+	bridgeId uint64,
+	bridgeConfig ophosttypes.BridgeConfig,
+) error {
+	return nil
+}

client/docs/config.json

@@ -225,6 +225,14 @@
           "Params": "MoveParams"
         }
       }
+    },
+    {
+      "url": "./tmp-swagger-gen/opinit/ophost/v1/query.swagger.json",
+      "operationIds": {
+        "rename": {
+          "Params": "OPHostParams"
+        }
+      }
     }
   ]
 }