firedancer-io · asuzuki-jumptrading · Nov 27, 2025
diff --git a/src/atoms.ts b/src/atoms.ts
@@ -426,6 +426,8 @@ export const peersAtom = atomWithImmer<Record<string, Peer>>({});
 
 export const peersListAtom = atom((get) => Object.values(get(peersAtom)));
 
+export const peersCountAtom = atom((get) => get(peersListAtom).length);
+
 export const peersAtomFamily = atomFamily((peer?: string) =>
   atom((get) => (peer !== undefined ? get(peersAtom)[peer] : undefined)),
 );

diff --git a/src/features/StartupProgress/Firedancer/Body.tsx b/src/features/StartupProgress/Firedancer/Body.tsx
@@ -6,9 +6,9 @@ import {
   isStartupProgressExpandedAtom,
   showStartupProgressAtom,
 } from "../atoms";
-import { Flex } from "@radix-ui/themes";
+import { Box, Flex } from "@radix-ui/themes";
 import clsx from "clsx";
-import { Header } from "./Header";
+import { Header } from "./PhaseHeader/Header";
 import { BootPhaseEnum } from "../../../api/entities";
 import { bootProgressContainerElAtom } from "../../../atoms";
 import Gossip from "./Gossip";
@@ -56,29 +56,30 @@ function BootProgressContent({ phase }: BootProgressContentProps) {
   const isNarrow = useMedia("(max-width: 750px)");
 
   return (
-    <Flex
+    <Box
       ref={(el: HTMLDivElement) => setBootProgressContainerEl(el)}
-      direction="column"
       overflowY="auto"
       className={clsx(styles.container, phaseClass, {
         [styles.collapsed]: !showStartupProgress || !isStartupProgressExpanded,
       })}
     >
       <Flex
         direction="column"
+        height="100%"
         width="100%"
         maxWidth={appMaxWidth}
         mx="auto"
         px={isNarrow ? "20px" : "89px"}
-        pb="20px"
       >
         <Header />
 
         {phase === BootPhaseEnum.joining_gossip && <Gossip />}
         {(phase === BootPhaseEnum.loading_full_snapshot ||
           phase === BootPhaseEnum.loading_incremental_snapshot) && <Snapshot />}
         {phase === BootPhaseEnum.catching_up && <CatchingUp />}
+
+        <Box pb="20px" />
       </Flex>
-    </Flex>
+    </Box>
   );
 }
diff --git a/src/features/StartupProgress/Firedancer/CatchingUp/BarsStats.tsx b/src/features/StartupProgress/Firedancer/CatchingUp/BarsStats.tsx
@@ -3,21 +3,18 @@ import { useAtomValue } from "jotai";
 import styles from "./catchingUp.module.css";
 import { catchingUpStartSlotAtom, latestTurbineSlotAtom } from "./atoms";
 import { completedSlotAtom } from "../../../../api/atoms";
+import type { CatchingUpRates } from "./useCatchingUpRates";
 
 interface CatchingUpBarsProps {
-  catchingUpRatesRef: React.MutableRefObject<{
-    totalSlotsEstimate?: number;
-    replaySlotsPerSecond?: number;
-    turbineSlotsPerSecond?: number;
-  }>;
+  catchingUpRates: CatchingUpRates;
 }
-export function BarsStats({ catchingUpRatesRef }: CatchingUpBarsProps) {
+export function BarsStats({ catchingUpRates }: CatchingUpBarsProps) {
   const startSlot = useAtomValue(catchingUpStartSlotAtom);
   const latestTurbineSlot = useAtomValue(latestTurbineSlotAtom);
   const latestReplaySlot = useAtomValue(completedSlotAtom);
 
-  const replayRate = catchingUpRatesRef.current.replaySlotsPerSecond;
-  const turbineHeadRate = catchingUpRatesRef.current.turbineSlotsPerSecond;
+  const replayRate = catchingUpRates.replaySlotsPerSecond;
+  const turbineHeadRate = catchingUpRates.turbineSlotsPerSecond;
   const catchUpRate =
     replayRate == null || turbineHeadRate == null
       ? undefined

diff --git a/src/features/StartupProgress/Firedancer/CatchingUp/CatchingUpBars.tsx b/src/features/StartupProgress/Firedancer/CatchingUp/CatchingUpBars.tsx
@@ -14,15 +14,12 @@ import { catchingUpBarsPlugin } from "./catchingUpBarsPlugin";
 import { Box } from "@radix-ui/themes";
 import { useThrottledCallback } from "use-debounce";
 import { completedSlotAtom } from "../../../../api/atoms";
+import type { CatchingUpRates } from "./useCatchingUpRates";
 
 const emptyChartData: uPlot.AlignedData = [[0], [null]];
 
 interface CatchingUpBarsProps {
-  catchingUpRatesRef: React.MutableRefObject<{
-    totalSlotsEstimate?: number;
-    replaySlotsPerSecond?: number;
-    turbineSlotsPerSecond?: number;
-  }>;
+  catchingUpRatesRef: React.MutableRefObject<CatchingUpRates>;
 }
 export function CatchingUpBars({ catchingUpRatesRef }: CatchingUpBarsProps) {
   const startSlot = useAtomValue(catchingUpStartSlotAtom);

diff --git a/src/features/StartupProgress/Firedancer/CatchingUp/index.tsx b/src/features/StartupProgress/Firedancer/CatchingUp/index.tsx
@@ -3,29 +3,59 @@ import { CatchingUpBars } from "./CatchingUpBars";
 import { BarsFooter } from "./BarsFooter";
 import BarsLabels from "./BarsLabels";
 import { useAtomValue, useSetAtom } from "jotai";
-import { catchingUpContainerElAtom, hasCatchingUpDataAtom } from "./atoms";
+import {
+  catchingUpContainerElAtom,
+  catchingUpStartSlotAtom,
+  hasCatchingUpDataAtom,
+  latestTurbineSlotAtom,
+} from "./atoms";
 import ShredsChart from "../../../Overview/ShredsProgression/ShredsChart";
 import styles from "./catchingUp.module.css";
 import CatchingUpTiles from "./CatchingUpTiles";
-import { PhaseHeader } from "../PhaseHeader";
+import PhaseHeader from "../PhaseHeader";
 import useEstimateTotalSlots from "./useCatchingUpRates";
 import { BarsStats } from "./BarsStats";
+import { completedSlotAtom } from "../../../../api/atoms";
+import { useMemo } from "react";
 
 export default function CatchingUp() {
   const setContainerEl = useSetAtom(catchingUpContainerElAtom);
   const hasCatchingUpData = useAtomValue(hasCatchingUpDataAtom);
   const catchingUpRatesRef = useEstimateTotalSlots();
 
+  const startSlot = useAtomValue(catchingUpStartSlotAtom);
+  const latestTurbineSlot = useAtomValue(latestTurbineSlotAtom);
+  const latestReplaySlot = useAtomValue(completedSlotAtom);
+
+  const phaseCompletePct = useMemo(() => {
+    if (
+      startSlot == null ||
+      latestTurbineSlot == null ||
+      latestReplaySlot == null
+    ) {
+      return 0;
+    }
+
+    const totalSlotsToReplay = latestTurbineSlot - startSlot + 1;
+    if (!totalSlotsToReplay) return 0;
+
+    const replayedSlots = latestReplaySlot - startSlot + 1;
+    return (100 * replayedSlots) / totalSlotsToReplay;
+  }, [latestReplaySlot, latestTurbineSlot, startSlot]);
   return (
     <>
-      <PhaseHeader phase="catching_up" />
+      <PhaseHeader
+        phase="catching_up"
+        phaseCompletePct={phaseCompletePct}
+        remainingSeconds={catchingUpRatesRef.current.remainingSeconds}
+      />
       <Flex direction="column" height="100%" mt="8px" gap="8px">
         {hasCatchingUpData && (
           <Flex ref={setContainerEl} direction="column" gap="5px">
             <BarsLabels />
             <CatchingUpBars catchingUpRatesRef={catchingUpRatesRef} />
             <BarsFooter />
-            <BarsStats catchingUpRatesRef={catchingUpRatesRef} />
+            <BarsStats catchingUpRates={catchingUpRatesRef.current} />
           </Flex>
         )}
 

diff --git a/src/features/StartupProgress/Firedancer/CatchingUp/useCatchingUpRates.ts b/src/features/StartupProgress/Firedancer/CatchingUp/useCatchingUpRates.ts
@@ -1,36 +1,34 @@
 import { useAtomValue } from "jotai";
 import { useRef, useEffect } from "react";
 import { useInterval } from "react-use";
-import { useValuePerSecond } from "../useValuePerSecond";
 import { completedSlotAtom } from "../../../../api/atoms";
 import { catchingUpStartSlotAtom, latestTurbineSlotAtom } from "./atoms";
-
-const rateCalcWindowMs = 10_000;
-
+import { useEmaValue } from "../../../../hooks/useEma";
+
+export interface CatchingUpRates {
+  targetTotalSlotsEstimate?: number;
+  totalSlotsEstimate?: number;
+  replaySlotsPerSecond?: number;
+  turbineSlotsPerSecond?: number;
+  remainingSeconds?: number;
+}
 /**
  * Provides a ref that estimates how many slots will be replayed in total
  */
 export default function useCatchingUpRates() {
-  const catchingUpRatesRef = useRef<{
-    totalSlotsEstimate?: number;
-    replaySlotsPerSecond?: number;
-    turbineSlotsPerSecond?: number;
-  }>({});
+  const catchingUpRatesRef = useRef<CatchingUpRates>({});
   const startSlot = useAtomValue(catchingUpStartSlotAtom);
   const latestTurbineSlot = useAtomValue(latestTurbineSlotAtom);
   const latestReplaySlot = useAtomValue(completedSlotAtom);
 
   const replaySlot =
     latestReplaySlot ?? (startSlot == null ? undefined : startSlot - 1);
 
-  const { valuePerSecond: replayRate } = useValuePerSecond(
-    replaySlot,
-    rateCalcWindowMs,
-  );
-  const { valuePerSecond: turbineRate } = useValuePerSecond(
-    latestTurbineSlot,
-    rateCalcWindowMs,
-  );
+  const replayRate = useEmaValue(replaySlot);
+  const turbineRate = useEmaValue(latestTurbineSlot);
+
+  catchingUpRatesRef.current.replaySlotsPerSecond = replayRate;
+  catchingUpRatesRef.current.turbineSlotsPerSecond = turbineRate;
 
   // initialize estimate of how many slots we'll need to replay
   // determines initial widths
@@ -44,7 +42,7 @@ export default function useCatchingUpRates() {
 
     const replaySlotsPerSecond = 400;
     const turbineSlotsPerSecond = 100;
-    const totalSlotsEsimtate = calculateTotalSlots(
+    const totalSlotsEstimate = calculateTotalSlots(
       replaySlotsPerSecond,
       turbineSlotsPerSecond,
       startSlot,
@@ -53,9 +51,7 @@ export default function useCatchingUpRates() {
     );
 
     catchingUpRatesRef.current = {
-      totalSlotsEstimate: totalSlotsEsimtate,
-      replaySlotsPerSecond,
-      turbineSlotsPerSecond,
+      totalSlotsEstimate,
     };
   }, [latestReplaySlot, latestTurbineSlot, startSlot, catchingUpRatesRef]);
 
@@ -81,6 +77,18 @@ export default function useCatchingUpRates() {
       latestTurbineSlot,
     );
 
+    const remainingReplaySlots =
+      latestReplaySlot == null || newEstimate == null
+        ? undefined
+        : newEstimate + startSlot - 1 - latestReplaySlot;
+    const remainingSeconds =
+      replayRate === 0 || remainingReplaySlots == null
+        ? undefined
+        : remainingReplaySlots / replayRate;
+
+    catchingUpRatesRef.current.remainingSeconds = remainingSeconds;
+
+    // only update total estimate (determining number of bars) if decreasing estimate
     if (!newEstimate || newEstimate >= prevEstimate) return;
 
     // decrement gradually
@@ -90,11 +98,8 @@ export default function useCatchingUpRates() {
     );
 
     const updatedEstimate = prevEstimate - diffToApply;
-    catchingUpRatesRef.current = {
-      totalSlotsEstimate: updatedEstimate,
-      replaySlotsPerSecond: replayRate,
-      turbineSlotsPerSecond: turbineRate,
-    };
+
+    catchingUpRatesRef.current.totalSlotsEstimate = updatedEstimate;
   }, 500);
 
   return catchingUpRatesRef;

diff --git a/src/features/StartupProgress/Firedancer/Gossip/index.tsx b/src/features/StartupProgress/Firedancer/Gossip/index.tsx
@@ -3,54 +3,76 @@ import { Card, Flex, Text } from "@radix-ui/themes";
 import styles from "./gossip.module.css";
 import { gossipNetworkStatsAtom } from "../../../../api/atoms";
 import { useAtomValue } from "jotai";
-import { getFmtStake, formatBytesAsBits } from "../../../../utils";
+import { formatBytesAsBits } from "../../../../utils";
 import { Bars } from "../Bars";
-import { PhaseHeader } from "../PhaseHeader";
+import PhaseHeader from "../PhaseHeader";
+import { useDebounce } from "use-debounce";
+import { lamportsPerSol } from "../../../../consts";
+import { compactZeroDecimalFormatter } from "../../../../numUtils";
+import { peersCountAtom } from "../../../../atoms";
+import { useEmaValue } from "../../../../hooks/useEma";
 
 const MAX_THROUGHPUT_BYTES = 1_8750_000; // 150Mbit
+const TOTAL_PEERS_COUNT = 5_000;
 
 export default function Gossip() {
+  const peersCount = useAtomValue(peersCountAtom);
+  const phaseCompletePct = (peersCount / TOTAL_PEERS_COUNT) * 100;
+  const peersCountRate = useEmaValue(peersCount);
+  const remainingSeconds =
+    peersCountRate === 0 ? undefined : TOTAL_PEERS_COUNT / peersCountRate;
+
   const networkStats = useAtomValue(gossipNetworkStatsAtom);
-  if (!networkStats) return null;
+  const [dbNetworkStats] = useDebounce(networkStats, 100, {
+    maxWait: 100,
+  });
 
-  const { health, ingress, egress } = networkStats;
+  if (!dbNetworkStats) return null;
 
-  const connectedStake =
-    health.connected_stake == null ? null : getFmtStake(health.connected_stake);
+  const { health, ingress, egress } = dbNetworkStats;
 
-  const ingressThroughput =
-    ingress.total_throughput == null
-      ? undefined
-      : formatBytesAsBits(ingress.total_throughput);
+  const solConnectedStake = Number(health.connected_stake) / lamportsPerSol;
+  const formattedConnectedStake =
+    compactZeroDecimalFormatter.format(solConnectedStake);
 
-  const egressThroughput =
-    egress.total_throughput == null
-      ? undefined
-      : formatBytesAsBits(egress.total_throughput);
+  const ingressThroughput = formatBytesAsBits(ingress.total_throughput);
+  const egressThroughput = formatBytesAsBits(egress.total_throughput);
 
   return (
     <>
-      <PhaseHeader phase="joining_gossip" />
+      <PhaseHeader
+        phase="joining_gossip"
+        phaseCompletePct={phaseCompletePct}
+        remainingSeconds={remainingSeconds}
+      />
+
       <Flex gapX="162px" mt="52px">
         <Flex direction="column" gap="20px" flexGrow="1" flexBasis="1">
           <Flex justify="between" gap="20px" align="stretch">
             <GossipCard
               title="Staked Peers"
-              value={health.connected_staked_peers}
+              value={health.connected_staked_peers.toLocaleString(undefined, {
+                maximumFractionDigits: 0,
+              })}
             />
             <GossipCard
               title="Unstaked Peers"
-              value={health.connected_unstaked_peers}
+              value={health.connected_unstaked_peers.toLocaleString(undefined, {
+                maximumFractionDigits: 0,
+              })}
+            />
+            <GossipCard
+              title="Connected Stake"
+              value={formattedConnectedStake}
             />
-            <GossipCard title="Connected Stake" value={connectedStake} />
           </Flex>
 
           <Flex direction="column" gap="10px">
             <Text className={styles.barTitle}>Ingress</Text>
             <Text className={styles.barValue}>
               {ingressThroughput
-                ? `${ingressThroughput.value} ${ingressThroughput.unit}`
-                : "-- Mbit"}
+                ? `${ingressThroughput.value} ${ingressThroughput.unit}/s`
+                : "-- Mbit/s"}
             </Text>
             <Bars
               value={ingress.total_throughput ?? 0}
@@ -62,8 +84,8 @@ export default function Gossip() {
             <Text className={styles.barTitle}>Egress</Text>
             <Text className={styles.barValue}>
               {egressThroughput
-                ? `${egressThroughput.value} ${egressThroughput.unit}`
-                : "-- Mbit"}
+                ? `${egressThroughput.value} ${egressThroughput.unit}/s`
+                : "-- Mbit/s"}
             </Text>
             <Bars
               value={egress.total_throughput ?? 0}