add RPC& node_location cache

Author: tombertrand

server/cron/nodeLocations.js

@@ -5,7 +5,7 @@ const { rpc } = require("../rpc");
 const { nodeCache } = require("../client/cache");
 const db = require("../client/mongo");
 const { Sentry } = require("../sentry");
-const { NODE_LOCATIONS } = require("../constants");
+const { NODE_LOCATIONS, EXPIRE_48H } = require("../constants");
 
 const NODE_IP_REGEX = /\[::ffff:([\d.]+)\]:[\d]+/;
 
@@ -73,8 +73,11 @@ const getNodeLocation = async ip => {
 
 const doNodeLocations = async () => {
   console.log("Starting doNodeLocations");
-
+  const nodeLocations = nodeCache.get(NODE_LOCATIONS);
   try {
+    if (nodeLocations) {
+      return nodeLocations;
+    }
     let peers = await getNodePeers();
     let results = [];
 
@@ -106,7 +109,7 @@ const doNodeLocations = async () => {
     await database.collection(NODE_LOCATIONS).deleteMany({});
     await database.collection(NODE_LOCATIONS).insertMany(results);
 
-    nodeCache.set(NODE_LOCATIONS, results);
+    nodeCache.set(NODE_LOCATIONS, results, EXPIRE_48H);
 
     console.log("Done node location");
   } catch (err) {

server/rpc/index.js

@@ -30,25 +30,25 @@ const allowedRpcMethods = [
   "uptime",
   "version",
 ];
-
+//@Note more cache due to 26.1
 const cacheSettings = {
-  account_history: 1,
-  account_info: 1,
-  account_representative: 5,
-  accounts_balances: 1,
-  active_difficulty: 1,
-  available_supply: 3600,
-  block_count: 1,
-  block_info: 1,
-  blocks_info: 5,
-  confirmation_history: 5,
-  confirmation_quorum: 5,
-  frontier_count: 5,
-  peers: 5,
-  pending: 5,
-  representatives: 5,
-  representatives_online: 5,
-  stats: 5,
+  account_history: 1000,
+  account_info: 1000,
+  account_representative: 3600,
+  accounts_balances: 100,
+  active_difficulty: 100,
+  available_supply: 3600 * 10,
+  block_count: 100,
+  block_info: 100,
+  blocks_info: 500,
+  confirmation_history: 500,
+  confirmation_quorum: 500,
+  frontier_count: 500,
+  peers: 3600,
+  pending: 500,
+  representatives: 3600 * 4,
+  representatives_online: 3600 * 4,
+  stats: 500,
   uptime: 30,
   version: 30,
 };