From 7489d3360a1c20a029f094d82bc23be685ab572f Mon Sep 17 00:00:00 2001
From: softsimon <softsimon@protonmail.com>
Date: Sun, 14 Feb 2021 20:32:00 +0700
Subject: [PATCH] Make clear protection timeout configurable. fixes #335

---
 backend/mempool-config.sample.json | 3 ++-
 backend/src/api/mempool.ts         | 3 +--
 backend/src/config.ts              | 4 +++-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/backend/mempool-config.sample.json b/backend/mempool-config.sample.json
index d0d2f486c..82bcfbe56 100644
--- a/backend/mempool-config.sample.json
+++ b/backend/mempool-config.sample.json
@@ -6,7 +6,8 @@
     "SPAWN_CLUSTER_PROCS": 0,
     "API_URL_PREFIX": "/api/v1/",
     "POLL_RATE_MS": 2000,
-    "CACHE_DIR": "./cache"
+    "CACHE_DIR": "./cache",
+    "CLEAR_PROTECTION_MINUTES": 20
   },
   "CORE_RPC": {
     "HOST": "127.0.0.1",
diff --git a/backend/src/api/mempool.ts b/backend/src/api/mempool.ts
index 641825577..83367a6ac 100644
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -10,7 +10,6 @@ import loadingIndicators from './loading-indicators';
 
 class Mempool {
   private static WEBSOCKET_REFRESH_RATE_MS = 10000;
-  private static CLEAR_PROTECTION_MINUTES = 10;
   private inSync: boolean = false;
   private mempoolCache: { [txId: string]: TransactionExtended } = {};
   private mempoolInfo: IBitcoinApi.MempoolInfo = { loaded: false, size: 0, bytes: 0, usage: 0,
@@ -143,7 +142,7 @@ class Mempool {
       setTimeout(() => {
         this.mempoolProtection = 2;
         logger.warn('Mempool clear protection resumed.');
-      }, 1000 * 60 * Mempool.CLEAR_PROTECTION_MINUTES);
+      }, 1000 * 60 * config.MEMPOOL.CLEAR_PROTECTION_MINUTES);
     }
 
     let newMempool = {};
diff --git a/backend/src/config.ts b/backend/src/config.ts
index 0037da6d2..1b3db8142 100644
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -9,6 +9,7 @@ interface IConfig {
     API_URL_PREFIX: string;
     POLL_RATE_MS: number;
     CACHE_DIR: string;
+    CLEAR_PROTECTION_MINUTES: number;
   };
   ESPLORA: {
     REST_API_URL: string;
@@ -61,7 +62,8 @@ const defaults: IConfig = {
     'SPAWN_CLUSTER_PROCS': 0,
     'API_URL_PREFIX': '/api/v1/',
     'POLL_RATE_MS': 2000,
-    'CACHE_DIR': './cache'
+    'CACHE_DIR': './cache',
+    'CLEAR_PROTECTION_MINUTES': 20,
   },
   'ESPLORA': {
     'REST_API_URL': 'http://127.0.0.1:3000',