message_create_gofundme.go

func (msg *MsgCreateGofundme) ValidateBasic() error {
   // Validate the creator
   _, err := sdk.AccAddressFromBech32(msg.Creator)
   if err != nil {
    return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid creator address (%s)", err)
   }
   // Get the goal amount
   goal := sdk.NewIntFromUint64(msg.Goal)
   // Ensure that the goal amount is greater than 0
   if goal.IsZero() {
    return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "goal amount must be greater than 0")
   }
   var start time.Time
   //Get the start date
   if msg.Start != "now" {
     startDate, err := sdk.ParseTimeBytes([]byte(msg.Start))
     if err != nil {
      return err
     }
     start = startDate
   } else {
     start = time.Now()
   }
   //Get the end date
   end, err := sdk.ParseTimeBytes([]byte(msg.End))
   if err != nil {
     return err
   }
   // Get the current block time
   blockTime := time.Now()
   // Ensure that end date is in the future
   if end.Before(blockTime) {
     return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "end date must be in the future")
   }
   //Ensure that start date is not in the past
   if start.Before(blockTime) {
     return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "start date cannot be in the past")
   }
   // Ensure that start date is before end date
   if start.After(end) {
     return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "start date must be before end date")
   }
   return nil
}