From 20b3ceab1e318e088c8e2d9e266d367143c64bbc Mon Sep 17 00:00:00 2001
From: Mononaut <github@monospace.live>
Date: Tue, 30 May 2023 19:51:11 -0400
Subject: [PATCH] Implement accelerations API & config setting

---
 backend/mempool-config.sample.json                   |  4 ++++
 .../src/__fixtures__/mempool-config.template.json    |  4 ++++
 backend/src/__tests__/config.test.ts                 |  7 +++++++
 backend/src/api/mempool.ts                           |  4 ++++
 backend/src/config.ts                                | 12 +++++++++++-
 docker/backend/mempool-config.json                   |  4 ++++
 docker/backend/start.sh                              |  9 +++++++++
 7 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/backend/mempool-config.sample.json b/backend/mempool-config.sample.json
index e3df7d2fe..8f8b82475 100644
--- a/backend/mempool-config.sample.json
+++ b/backend/mempool-config.sample.json
@@ -136,5 +136,9 @@
       "trusted",
       "servers"
     ]
+  },
+  "MEMPOOL_SERVICES": {
+    "API": "https://mempool.space/api",
+    "ACCELERATIONS": false
   }
 }
diff --git a/backend/src/__fixtures__/mempool-config.template.json b/backend/src/__fixtures__/mempool-config.template.json
index 4213f0ffb..d6754f966 100644
--- a/backend/src/__fixtures__/mempool-config.template.json
+++ b/backend/src/__fixtures__/mempool-config.template.json
@@ -127,5 +127,9 @@
     "AUDIT": false,
     "AUDIT_START_HEIGHT": 774000,
     "SERVERS": []
+  },
+  "MEMPOOl_SERVICES": {
+    "API": "__MEMPOOL_SERVICES_API__",
+    "ACCELERATIONS": "__MEMPOOL_SERVICES_ACCELERATIONS__"
   }
 }
diff --git a/backend/src/__tests__/config.test.ts b/backend/src/__tests__/config.test.ts
index dc1beaa46..2c83d1af5 100644
--- a/backend/src/__tests__/config.test.ts
+++ b/backend/src/__tests__/config.test.ts
@@ -127,6 +127,11 @@ describe('Mempool Backend Config', () => {
         AUDIT_START_HEIGHT: 774000,
         SERVERS: []
       });
+
+      expect(config.MEMPOOL_SERVICES).toStrictEqual({
+        API: "",
+        ACCELERATIONS: false,
+      });
     });
   });
 
@@ -160,6 +165,8 @@ describe('Mempool Backend Config', () => {
       expect(config.PRICE_DATA_SERVER).toStrictEqual(fixture.PRICE_DATA_SERVER);
 
       expect(config.EXTERNAL_DATA_SERVER).toStrictEqual(fixture.EXTERNAL_DATA_SERVER);
+
+      expect(config.MEMPOOL_SERVICES).toStrictEqual(fixture.MEMPOOL_SERVICES);
     });
   });
 
diff --git a/backend/src/api/mempool.ts b/backend/src/api/mempool.ts
index 7bde83df9..b114c89fc 100644
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -337,6 +337,10 @@ class Mempool {
   }
 
   public async $updateAccelerations(): Promise<string[]> {
+    if (!config.MEMPOOL_SERVICES.ACCELERATIONS) {
+      return [];
+    }
+
     try {
       const newAccelerations = await accelerationApi.fetchAccelerations$();
 
diff --git a/backend/src/config.ts b/backend/src/config.ts
index 09d279537..ceb569e06 100644
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -137,7 +137,11 @@ interface IConfig {
     AUDIT: boolean;
     AUDIT_START_HEIGHT: number;
     SERVERS: string[];
-  }
+  },
+  MEMPOOL_SERVICES: {
+    API: string;
+    ACCELERATIONS: boolean;
+  },
 }
 
 const defaults: IConfig = {
@@ -275,6 +279,10 @@ const defaults: IConfig = {
     'AUDIT': false,
     'AUDIT_START_HEIGHT': 774000,
     'SERVERS': [],
+  },
+  'MEMPOOL_SERVICES': {
+    'API': '',
+    'ACCELERATIONS': false,
   }
 };
 
@@ -296,6 +304,7 @@ class Config implements IConfig {
   EXTERNAL_DATA_SERVER: IConfig['EXTERNAL_DATA_SERVER'];
   MAXMIND: IConfig['MAXMIND'];
   REPLICATION: IConfig['REPLICATION'];
+  MEMPOOL_SERVICES: IConfig['MEMPOOL_SERVICES'];
 
   constructor() {
     const configs = this.merge(configFromFile, defaults);
@@ -316,6 +325,7 @@ class Config implements IConfig {
     this.EXTERNAL_DATA_SERVER = configs.EXTERNAL_DATA_SERVER;
     this.MAXMIND = configs.MAXMIND;
     this.REPLICATION = configs.REPLICATION;
+    this.MEMPOOL_SERVICES = configs.MEMPOOL_SERVICES;
   }
 
   merge = (...objects: object[]): IConfig => {
diff --git a/docker/backend/mempool-config.json b/docker/backend/mempool-config.json
index 2ff76d5dd..71fe3bd65 100644
--- a/docker/backend/mempool-config.json
+++ b/docker/backend/mempool-config.json
@@ -133,5 +133,9 @@
     "AUDIT": __REPLICATION_AUDIT__,
     "AUDIT_START_HEIGHT": __REPLICATION_AUDIT_START_HEIGHT__,
     "SERVERS": __REPLICATION_SERVERS__
+  },
+  "MEMPOOL_SERVICES": {
+    "API": "__MEMPOOL_SERVICES_API__",
+    "ACCELERATIONS": __MEMPOOL_SERVICES_ACCELERATIONS__
   }
 }
diff --git a/docker/backend/start.sh b/docker/backend/start.sh
index c34d804b4..66f873605 100755
--- a/docker/backend/start.sh
+++ b/docker/backend/start.sh
@@ -136,6 +136,10 @@ __REPLICATION_AUDIT__=${REPLICATION_AUDIT:=true}
 __REPLICATION_AUDIT_START_HEIGHT__=${REPLICATION_AUDIT_START_HEIGHT:=774000}
 __REPLICATION_SERVERS__=${REPLICATION_SERVERS:=[]}
 
+# MEMPOOL_SERVICES
+__MEMPOOL_SERVICES_API__==${MEMPOOL_SERVICES_API:=""}
+__MEMPOOL_SERVICES_ACCELERATIONS__==${MEMPOOL_SERVICES_ACCELERATIONS:=false}
+
 
 mkdir -p "${__MEMPOOL_CACHE_DIR__}"
 
@@ -262,4 +266,9 @@ sed -i "s!__REPLICATION_AUDIT__!${__REPLICATION_AUDIT__}!g" mempool-config.json
 sed -i "s!__REPLICATION_AUDIT_START_HEIGHT__!${__REPLICATION_AUDIT_START_HEIGHT__}!g" mempool-config.json
 sed -i "s!__REPLICATION_SERVERS__!${__REPLICATION_SERVERS__}!g" mempool-config.json
 
+# MEMPOOL_SERVICES
+sed -i "s!__MEMPOOL_SERVICES_API__!${__MEMPOOL_SERVICES_API__}!g" mempool-config.json
+sed -i "s!__MEMPOOL_SERVICES_ACCELERATIONS__!${__MEMPOOL_SERVICES_ACCELERATIONS__}!g" mempool-config.json
+
+
 node /backend/package/index.js