fix: use correct magic byte prefix for public key

dashhive · Mar 16, 2022 · 4532b06 · 4532b06
1 parent 54c3ee7
commit 4532b06
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/dashmsg.go b/dashmsg.go
@@ -186,7 +186,15 @@ func PublicKeyToAddress(magicVersion string, pub ecdsa.PublicKey) string {
 	}
 
 	b := elliptic.Marshal(secp256k1crypto.S256(), pub.X, pub.Y)
-	b[0] = byte(0x03)
+	y := b[33:]
+	lastY := len(y) - 1
+	odd := 1 == y[lastY]%2
+	if odd {
+		b[0] = byte(0x03)
+	} else {
+		b[0] = byte(0x02)
+	}
+
 	b = b[0:33]
 	//fmt.Fprintf(os.Stderr, "PubKey Bytes: %d %v\n", len(b), hex.EncodeToString(b))