1 files changed, 10 insertions(+), 0 deletions(-)

M ui.go

@@ 2,6 2,7 @@ package main
 
 import (
 	"fmt"
+	"os"
 	"sort"
 	"strconv"
 	"unicode"


@@ 17,9 18,18 @@ func tui() (election *Election, merkleRoot []byte, electionKey string) {
 		switch buttonLabel {
 		case "Create Election":
 			election.candidates = createElection()
+			// TODO: slaves should check that len candidates >= 2
+			if election.candidates == nil || len(election.candidates) == 0 {
+				fmt.Printf("no candidates entered; exiting\n")
+				os.Exit(0)
+			}
 			merkleRoot = election.createMerkle(election.candidates)
 		case "Join Election":
 			electionKey := joinElection()
+			if electionKey == "" {
+				fmt.Printf("no election key given; exiting\n")
+				os.Exit(0)
+			}
 			merkleRoot, election.masterID = splitElectionKey(electionKey)
 		}
 	}