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feat(metrics): add price update delay metric and update method #2619

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Merged
merged 5 commits into from
Apr 29, 2025
Merged

feat(metrics): add price update delay metric and update method #2619

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feat(metrics): add price update delay metric and update method
cctdaniel Apr 25, 2025
63d7dd0
feat(metrics): add price update delay metric and update method
cctdaniel Apr 25, 2025
15ddbd0
feat(metrics): refactor price update delay metrics to use source and …
cctdaniel Apr 28, 2025
ff853d0
chore(package): bump version to 9.3.1
cctdaniel Apr 28, 2025
afa4a0f
refactor(metrics): remove target timestamp metric and update last pub…
cctdaniel Apr 28, 2025
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10 changes: 10 additions & 0 deletions apps/price_pusher/src/controller.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,16 @@ export class Controller {
);
}

if (this.metrics && targetLatestPrice && sourceLatestPrice) {
this.metrics.updatePriceDelay(
priceId,
alias,
targetLatestPrice.publishTime,
sourceLatestPrice.publishTime,
priceConfig.timeDifference,
);
}

const priceShouldUpdate = shouldUpdate(
priceConfig,
sourceLatestPrice,
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24 changes: 24 additions & 0 deletions apps/price_pusher/src/metrics.ts
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Expand Up @@ -14,6 +14,7 @@ export class PricePusherMetrics {
public lastPublishedTime: Gauge<string>;
public priceUpdateAttempts: Counter<string>;
public priceFeedsTotal: Gauge<string>;
public priceUpdateDelay: Gauge<string>;
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Out of curiosity, why are these string :?

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these are for the label names

// Wallet metrics
public walletBalance: Gauge<string>;

Expand Down Expand Up @@ -46,6 +47,13 @@ export class PricePusherMetrics {
registers: [this.registry],
});

this.priceUpdateDelay = new Gauge({
name: "pyth_price_update_delay",
help: "Delay between source and target timestamps relative to configured threshold (positive means over threshold)",
labelNames: ["price_id", "alias"],
registers: [this.registry],
});

// Wallet balance metric
this.walletBalance = new Gauge({
name: "pyth_wallet_balance",
Expand Down Expand Up @@ -133,6 +141,22 @@ export class PricePusherMetrics {
this.priceFeedsTotal.set(count);
}

// Update price delay relative to threshold
public updatePriceDelay(
priceId: string,
alias: string,
targetLatestPricePublishTime: number,
sourceLatestPricePublishTime: number,
priceConfigTimeDifference: number,
): void {
this.priceUpdateDelay.set(
{ price_id: priceId, alias },
sourceLatestPricePublishTime -
targetLatestPricePublishTime -
priceConfigTimeDifference,
);
}

// Update wallet balance
public updateWalletBalance(
walletAddress: string,
Expand Down
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