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Fix rack order race condition allowing slots/power to exceed DC limits
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Rapid clicks on order rack bypassed capacity checks because usedSlots
and usedPowerKW were only updated during the tick. Now both the store
action and UI compute slot/power usage live from racks + pipeline,
so each order immediately reflects in the next check.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Josh Wright
2026-04-24 20:05:11 -04:00
parent 38097478da
commit 03ef94c22c
2 changed files with 16 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
apps/web/src/pages/InfrastructurePage.tsx
+8 -4
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@@ -103,6 +103,7 @@ function CapacityBar({ label, used, max, unit, icon: Icon }: {
function DataCenterCard({ dcId }: { dcId: string }) {
const dc = useGameStore((s) => s.infrastructure.dataCenters.find(d => d.id === dcId))!;
const pipelineForDc = useGameStore((s) => s.infrastructure.rackPipeline.filter(o => o.dataCenterId === dcId));
const money = useGameStore((s) => s.economy.money);
const era = useGameStore((s) => s.meta.currentEra);
const completedResearch = useGameStore((s) => s.research.completedResearch);
@@ -112,6 +113,9 @@ function DataCenterCard({ dcId }: { dcId: string }) {
const tierConfig = DC_TIER_CONFIGS[dc.tier];
const currentEraIdx = ERA_ORDER.indexOf(era);
const liveUsedSlots = dc.racks.length + pipelineForDc.length;
const liveUsedPower = dc.racks.reduce((s, r) => s + RACK_SKU_CONFIGS[r.skuId].powerDrawKW, 0)
+ pipelineForDc.reduce((s, o) => s + RACK_SKU_CONFIGS[o.skuId].powerDrawKW, 0);
const availableSkus = Object.values(RACK_SKU_CONFIGS).filter(sku => {
if (ERA_ORDER.indexOf(sku.era) > currentEraIdx) return false;
@@ -163,8 +167,8 @@ function DataCenterCard({ dcId }: { dcId: string }) {
</div>
<div className="flex gap-4 mb-3">
<CapacityBar label="Slots" used={dc.usedSlots} max={tierConfig.rackSlots} unit="" icon={HardDrive} />
<CapacityBar label="Power" used={dc.usedPowerKW} max={tierConfig.powerBudgetKW} unit="kW" icon={Zap} />
<CapacityBar label="Slots" used={liveUsedSlots} max={tierConfig.rackSlots} unit="" icon={HardDrive} />
<CapacityBar label="Power" used={liveUsedPower} max={tierConfig.powerBudgetKW} unit="kW" icon={Zap} />
</div>
{expanded && (
@@ -195,8 +199,8 @@ function DataCenterCard({ dcId }: { dcId: string }) {
<div className="flex gap-2 flex-wrap">
{availableSkus.map(sku => {
const canAfford = money >= sku.baseCost;
const hasSlot = dc.usedSlots < tierConfig.rackSlots;
const hasPower = dc.usedPowerKW + sku.powerDrawKW <= tierConfig.powerBudgetKW;
const hasSlot = liveUsedSlots < tierConfig.rackSlots;
const hasPower = liveUsedPower + sku.powerDrawKW <= tierConfig.powerBudgetKW;
const disabled = !canAfford || !hasSlot || !hasPower;
return (