From dd3e4b5a1f95ce6c0ec139f61bd59efce5912caf Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Thu, 15 Jun 2023 11:43:58 -0400
Subject: [PATCH] Emit backfill details in broadcasts

Send both the `Viz.name` and `timeframe: int` so that the UI side can
match against them and only update a lone curve in a single plot.
---
 piker/data/history.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/piker/data/history.py b/piker/data/history.py
index b2cf6b68..d6f5fb5f 100644
--- a/piker/data/history.py
+++ b/piker/data/history.py
@@ -294,7 +294,7 @@ async def start_backfill(
                 )
                 await sampler_stream.send({
                     'broadcast_all': {
-                        'backfilling': True
+                        'backfilling': (mkt.fqme, timeframe),
                     },
                 })
 
@@ -323,7 +323,7 @@ async def start_backfill(
                 )
                 await sampler_stream.send({
                     'broadcast_all': {
-                        'backfilling': True
+                        'backfilling': (mkt.fqme, timeframe),
                     },
                 })
 
@@ -417,7 +417,7 @@ async def start_backfill(
                 #   loop
                 await sampler_stream.send({
                     'broadcast_all': {
-                        'backfilling': True
+                        'backfilling': (mkt.fqme, timeframe),
                     },
                 })
                 gap_indices: tuple | None = detect_null_time_gap(shm)