From 9ea67d716ba730f15c4cd34c7b6b1f679172360d Mon Sep 17 00:00:00 2001
From: maciejhirsz <maciej.hirsz@gmail.com>
Date: Sat, 14 Jul 2018 15:10:11 +0200
Subject: [PATCH] Fix propagation time for best block

---
 packages/backend/src/Chain.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/backend/src/Chain.ts b/packages/backend/src/Chain.ts
index 2eed69e..35c18ae 100644
--- a/packages/backend/src/Chain.ts
+++ b/packages/backend/src/Chain.ts
@@ -80,12 +80,17 @@ export default class Chain {
 
   private updateBlock(node: Node) {
     if (node.height > this.height) {
+      // New best block
       const { height, blockTimestamp } = node;
 
       if (this.blockTimestamp) {
         this.updateAverageBlockTime(height, blockTimestamp);
       }
 
+      for (const otherNode of this.nodes) {
+        node.propagationTime = null;
+      }
+
       this.height = height;
       this.blockTimestamp = blockTimestamp;
       node.propagationTime = 0 as Types.PropagationTime;
@@ -94,6 +99,7 @@ export default class Chain {
 
       console.log(`[${this.label}] New block ${this.height}`);
     } else if (node.height === this.height) {
+      // Caught up to best block
       node.propagationTime = (node.blockTimestamp - this.blockTimestamp) as Types.PropagationTime;
     }