feat: dynamic jito tips 2 (#2117)

* add dynamic jito tips

* uncomment

* go

* using jito tip

* go

* bump

* cap it

* go

* go

* test

* disable health check

* go

* increase to 50 pct, take max

* add to sample

Author: guibescos

apps/price_pusher/config.solana.mainnet.sample.json

@@ -5,6 +5,7 @@
   "jito-endpoint": "mainnet.block-engine.jito.wtf",
   "jito-keypair-file": "./jito.json",
   "jito-tip-lamports": "100000",
+  "dynamic-jito-tips": true,
   "jito-bundle-size": "5",
   "updates-per-jito-bundle": "6",
   "price-config-file": "./price-config.yaml",

apps/price_pusher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/price-pusher",
-  "version": "8.2.0",
+  "version": "8.3.0",
   "description": "Pyth Price Pusher",
   "homepage": "https://pyth.network",
   "main": "lib/index.js",

apps/price_pusher/src/solana/solana.ts

@@ -181,7 +181,7 @@ export class SolanaPricePusherJito implements IPricePusher {
       }
       const data = await response.json();
       return Math.floor(
-        Number(data[0].landed_tips_25th_percentile) * LAMPORTS_PER_SOL
+        Number(data[0].landed_tips_50th_percentile) * LAMPORTS_PER_SOL
       );
     } catch (err: any) {
       this.logger.error({ err }, "getRecentJitoTips failed");
@@ -194,9 +194,11 @@ export class SolanaPricePusherJito implements IPricePusher {
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     _pubTimesToPush: number[]
   ): Promise<void> {
-    const jitoTip = this.dynamicJitoTips
-      ? (await this.getRecentJitoTipLamports()) ?? this.defaultJitoTipLamports
-      : this.defaultJitoTipLamports;
+    const recentJitoTip = await this.getRecentJitoTipLamports();
+    const jitoTip =
+      this.dynamicJitoTips && recentJitoTip !== undefined
+        ? Math.max(this.defaultJitoTipLamports, recentJitoTip)
+        : this.defaultJitoTipLamports;
 
     const cappedJitoTip = Math.min(jitoTip, this.maxJitoTipLamports);
     this.logger.info({ cappedJitoTip }, "using jito tip of");