Add a bash script to simulate a whole election

demo/demo.sh

+#!/bin/bash
+
+set -e
+
+BELENIOS=${BELENIOS:-$PWD}
+
+alias belenios-tool=$BELENIOS/_build/belenios-tool
+
+header () {
+    echo
+    echo "=-=-= $1 =-=-="
+    echo
+}
+
+header "Setup election"
+
+UUID=`uuidgen`
+echo "UUID of the election is $UUID"
+
+DIR=$BELENIOS/demo/data/$UUID
+mkdir $DIR
+cd $DIR
+
+# Generate credentials
+belenios-tool credgen --uuid $UUID --count 3
+mv *.pubcreds public_creds.txt
+mv *.privcreds private_creds.txt
+
+# Generate trustee keys
+belenios-tool trustee-keygen
+belenios-tool trustee-keygen
+belenios-tool trustee-keygen
+cat *.pubkey > public_keys.jsons
+
+# Generate election parameters
+belenios-tool mkelection --uuid $UUID --group $BELENIOS/demo/groups/default.json --template $BELENIOS/demo/templates/election.json
+
+# Generate election metadata
+BDATE="$(date -u +'%F %T.000')"
+EDATE="$(date -u -d tomorrow +'%F %T.000')"
+printf '{"voting_starts_at":"%s","voting_ends_at":"%s"}\n' "$BDATE" "$EDATE" > metadata.json
+
+header "Simulate votes"
+
+cat private_creds.txt | while read cred; do
+    belenios-tool election --privkey <(echo $cred) vote <(printf "[[0,0,0,0,0],[0,1,0,1,1,0],[0,0,1]]")
+    echo >&2
+done > ballots.tmp
+mv ballots.tmp ballots.jsons
+
+header "Perform decryption"
+
+for u in *.privkey; do
+    belenios-tool election --privkey $u decrypt
+    echo >&2
+done > partial_decryptions.tmp
+mv partial_decryptions.tmp partial_decryptions.jsons
+
+header "Finalize tally"
+
+belenios-tool election finalize
+
+echo
+echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="
+echo
+echo "The simulated election was successful! Its result can be seen in"
+echo "  $DIR/result.json"
+echo
+echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="
+echo