start-travel.js

applyAsset(store) {
    const errors = [];

    const travel = store.account.get(this.asset.travelId);
    const passenger = store.account.get(this.asset.passengerId);

    const travelDriverBalance = travel.asset.travelDriverBalance || []
    const travelPassengerBalances = travel.asset.travelPassengerBalances || []
 
    const foundTravelPassengerBalance = travelPassengerBalances.find(element => element.passengerAddress === passenger.address);
    const foundTravelDriverBalance = travelDriverBalance.find(element => element.passengerAddress === passenger.address);

    if(!foundTravelDriverBalance){
      if(foundTravelPassengerBalance){
        travelDriverBalance.push(foundTravelPassengerBalance)
      }
    }else{
        errors.push(
          new TransactionError(
              'travelDriverBalance has already been setted for driver',
              this.asset.travelId
          )
      );
    }
    
    const updatedTravelAccount = {
      ...travel,
        asset: {
          ...travel.asset,
          travelDriverBalance:travelDriverBalance,
        }
    };

  if(errors.length === 0){
    store.account.set(travel.address, updatedTravelAccount);
  }

  
  return errors;
  }