	// iterate all chains' pending cctx
	chains := common.DefaultChainsList()
	for _, chain := range chains {
		res, err := k.CctxAllPending(sdk.UnwrapSDKContext(ctx), &types.QueryAllCctxPendingRequest{
			ChainId: chain.ChainId,
		})
		if err != nil {
			return err
		}

		// iterate through all pending cctx
		for _, pendingCctx := range res.CrossChainTx {
			if pendingCctx != nil {
				_, _, err := k.CheckAndUpdateCctxGasPrice(ctx, *pendingCctx, gasPriceIncreaseFlags)
				if err != nil {
					return err
				}
			}
		}
	}
	if err := k.fungibleKeeper.WithdrawFromGasStabilityPool(ctx, chainID, additionalFees.BigInt()); err != nil {
		return math.ZeroUint(), math.ZeroUint(), cosmoserrors.Wrap(
			types.ErrNotEnoughFunds,
			fmt.Sprintf("cannot withdraw %s from gas stability pool", additionalFees.String()),
		)
	}
	// Fund the gas stability pool with the remaining funds
	if err := k.FundGasStabilityPoolFromRemainingFees(ctx, *cctx.GetCurrentOutTxParam(), msg.OutTxChain); err != nil {
		log.Error().Msgf(
			"VoteOnObservedOutboundTx: CCTX: %s Can't fund the gas stability pool with remaining fees %s", cctx.Index, err.Error(),
		)
	}
