Merge commit from fork

* fix: add send restriction to distribution module only receive the ubbn denom

* chore: set error and bank restriction as unexported

* chore: move special error to top of the file

* chore: add release v1.1.0 to cl

Author: RafilxTenfen

CHANGELOG.md

@@ -37,6 +37,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## Unreleased
 
+## v1.1.0
+
 ### Bug fixes
 
 - [#860](https://github.com/babylonlabs-io/babylon/pull/860) fix: ensure active fps have signing info after finality resumption proposal.

app/keepers/keepers.go

@@ -1,7 +1,10 @@
 package keepers
 
 import (
+	"context"
+	"fmt"
 	"path/filepath"
+	"strings"
 
 	"cosmossdk.io/log"
 	storetypes "cosmossdk.io/store/types"
@@ -20,6 +23,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/runtime"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
+	"github.com/cosmos/cosmos-sdk/types"
 	authcodec "github.com/cosmos/cosmos-sdk/x/auth/codec"
 	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
@@ -80,6 +84,8 @@ import (
 	monitortypes "github.com/babylonlabs-io/babylon/x/monitor/types"
 )
 
+var errBankRestrictionDistribution = fmt.Errorf("the distribution address %s can only receive bond denom %s", appparams.AccDistribution.String(), appparams.DefaultBondDenom)
+
 // Capabilities of the IBC wasm contracts
 func WasmCapabilities() []string {
 	// The last arguments can contain custom message handlers, and custom query handlers,
@@ -228,6 +234,7 @@ func (ak *AppKeepers) InitKeepers(
 		appparams.AccGov.String(),
 		logger,
 	)
+	bankKeeper.AppendSendRestriction(bankSendRestrictionOnlyBondDenomToDistribution)
 
 	stakingKeeper := stakingkeeper.NewKeeper(
 		appCodec,
@@ -597,3 +604,23 @@ func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino
 
 	return paramsKeeper
 }
+
+// bankSendRestrictionOnlyBondDenomToDistribution restricts that only the default bond denom should be allowed to send to distribution mod acc.
+func bankSendRestrictionOnlyBondDenomToDistribution(ctx context.Context, fromAddr, toAddr types.AccAddress, amt types.Coins) (newToAddr types.AccAddress, err error) {
+	if toAddr.Equals(appparams.AccDistribution) {
+		denoms := amt.Denoms()
+		switch len(denoms) {
+		case 0:
+			return toAddr, nil
+		case 1:
+			denom := denoms[0]
+			if !strings.EqualFold(denom, appparams.DefaultBondDenom) {
+				return nil, errBankRestrictionDistribution
+			}
+		default: // more than one length
+			return nil, errBankRestrictionDistribution
+		}
+	}
+
+	return toAddr, nil
+}

app/params/addr.go

@@ -2,10 +2,12 @@ package params
 
 import (
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	dstrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
 	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 )
 
 var (
 	AccGov          = authtypes.NewModuleAddress(govtypes.ModuleName)
+	AccDistribution = authtypes.NewModuleAddress(dstrtypes.ModuleName)
 	AccFeeCollector = authtypes.NewModuleAddress(authtypes.FeeCollectorName)
 )