Enable Axelar module account sends, fix community spend sender (#271)

* Enable mod acc sends, fix community spend sender

* handle module send error in axelar community spend

app/app.go

@@ -220,7 +220,10 @@ var (
 	}
 
 	// module accounts that are allowed to receive tokens
-	allowedReceivingModAcc = map[string]bool{}
+	// incidentally this permission is also required to be able to send tokens from module accounts
+	allowedReceivingModAcc = map[string]bool{
+		axelarcorktypes.ModuleName: true,
+	}
 
 	_ simapp.App              = (*SommelierApp)(nil)
 	_ servertypes.Application = (*SommelierApp)(nil)

x/axelarcork/keeper/proposal_handler.go

@@ -6,7 +6,6 @@ import (
 	"sort"
 	"time"
 
-	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 	distributiontypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
 	transfertypes "github.com/cosmos/ibc-go/v6/modules/apps/transfer/types"
 	clienttypes "github.com/cosmos/ibc-go/v6/modules/core/02-client/types"
@@ -146,9 +145,13 @@ func HandleCommunityPoolSpendProposal(ctx sdk.Context, k Keeper, p types.AxelarC
 	}
 
 	feePool.CommunityPool = newPool
-	sender := authtypes.NewModuleAddress(distributiontypes.ModuleName)
 
-	// TODO(bolten: is there really no fee necessary or executor to target?
+	// since distribution is not an authorized sender, put them in the axelarcork module account
+	if err := k.bankKeeper.SendCoinsFromModuleToModule(ctx, distributiontypes.ModuleName, types.ModuleName, sdk.NewCoins(coinWithBridgeFee)); err != nil {
+		panic(err)
+	}
+	sender := k.GetSenderAccount(ctx)
+
 	axelarMemo := types.AxelarBody{
 		DestinationChain:   config.Name,
 		DestinationAddress: p.Recipient,