From 045d03bd88828f8cb12d6384af330eb390a5b51d Mon Sep 17 00:00:00 2001
From: David Florness <david@florness.com>
Date: Mon, 8 Jun 2020 23:22:31 -0600
Subject: [PATCH] Extract results from constant

---
 voter.go | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/voter.go b/voter.go
index 67169a6..3342789 100644
--- a/voter.go
+++ b/voter.go
@@ -167,7 +167,7 @@ func handleCmd(cmd string, rw *bufio.ReadWriter, stream network.Stream) {
 }
 
 func streamHandler(stream network.Stream) {
-	logger.Info("got a new stream!", stream)
+	logger.Info("got a new stream:", stream)
 	logger.Info("remote peer:", stream.Conn().RemotePeer())
 	rw := bufio.NewReadWriter(bufio.NewReader(stream), bufio.NewWriter(stream))
 
@@ -203,7 +203,7 @@ func findPeers(closeElection <-chan int) {
 			if peer.ID == me.ID() {
 				continue
 			}
-			fmt.Printf("found voter: %s\n", peer)
+			fmt.Printf("found voter: %s\n", peer.ID)
 			logger.Info("connecting to:", peer)
 
 			err = me.Connect(me.ctx, peer)
@@ -289,7 +289,7 @@ func startVoting() {
 	logger.Infof("our input: %s", me.input)
 
 	ballot := vote(candidates)
-	logger.Info("our ballot:", ballot)
+	logger.Infof("our ballot: %v", ballot)
 
 	// no +1 since we want degree k-1 where k is total number of voters
 	me.polyMu.Lock()
@@ -333,7 +333,18 @@ func startVoting() {
 	mat := constructPolyMatrix()
 	mat.RREF()
 
-	result := mat[0][len(mat[0])-1]
+	constant := mat[0][len(mat[0])-1]
+	if !constant.IsInt() {
+		panic("constant term is not an integer")
+	}
+
+	result := constant.Num().Bytes()
+
+	// number of bytes we need to insert at the front since they're zero
+	diff := (len(candidates)*len(candidates)) - len(result)
+	result = append(make([]byte, diff), result...)
+
+	printResults(result, candidates)
 
 	// temporary
 	select {}
@@ -367,3 +378,16 @@ func constructPolyMatrix() Matrix {
 
 	return mat
 }
+
+func printResults(result []byte, candidates []Candidate) {
+	logger.Infof("result: %v", result)
+	fmt.Println("=== Results ===")
+	n := len(candidates)
+	for i, cand := range candidates {
+		for j, vs := range candidates {
+			if i != j {
+				fmt.Printf("%s over %s: %d\n", cand, vs, result[i * n + j])
+			}
+		}
+	}
+}
-- 
2.38.4