Add FIAT_PRICE category to backend config

backend/mempool-config.sample.json

@@ -36,8 +36,7 @@
     "MAX_PUSH_TX_SIZE_WEIGHT": 4000000,
     "ALLOW_UNREACHABLE": true,
     "PRICE_UPDATES_PER_HOUR": 1,
-    "MAX_TRACKED_ADDRESSES": 100,
-    "CURRENCY_API_KEY": "your-api-key-from-freecurrencyapi.com"
+    "MAX_TRACKED_ADDRESSES": 100
   },
   "CORE_RPC": {
     "HOST": "127.0.0.1",
@@ -156,5 +155,9 @@
   "MEMPOOL_SERVICES": {
     "API": "https://mempool.space/api",
     "ACCELERATIONS": false
+  },
+  "FIAT_PRICE": {
+    "ENABLED": true,
+    "API_KEY": "your-api-key-from-freecurrencyapi.com"
   }
 }

backend/src/__fixtures__/mempool-config.template.json

@@ -37,8 +37,7 @@
     "MAX_PUSH_TX_SIZE_WEIGHT": 4000000,
     "ALLOW_UNREACHABLE": true,
     "PRICE_UPDATES_PER_HOUR": 1,
-    "MAX_TRACKED_ADDRESSES": 1,
-    "CURRENCY_API_KEY": "__MEMPOOL_CURRENCY_API_KEY__"
+    "MAX_TRACKED_ADDRESSES": 1
   },
   "CORE_RPC": {
     "HOST": "__CORE_RPC_HOST__",
@@ -148,5 +147,9 @@
     "ENABLED": false,
     "UNIX_SOCKET_PATH": "/tmp/redis.sock",
     "BATCH_QUERY_BASE_SIZE": 5000
+  },
+  "FIAT_PRICE": {
+    "ENABLED": true,
+    "API_KEY": "__MEMPOOL_CURRENCY_API_KEY__"
   }
 }

backend/src/__tests__/config.test.ts

@@ -51,7 +51,6 @@ describe('Mempool Backend Config', () => {
         ALLOW_UNREACHABLE: true,
         PRICE_UPDATES_PER_HOUR: 1,
         MAX_TRACKED_ADDRESSES: 1,
-        CURRENCY_API_KEY: ''
       });
 
       expect(config.ELECTRUM).toStrictEqual({ HOST: '127.0.0.1', PORT: 3306, TLS_ENABLED: true });
@@ -153,6 +152,11 @@ describe('Mempool Backend Config', () => {
         UNIX_SOCKET_PATH: '',
         BATCH_QUERY_BASE_SIZE: 5000,
       });
+
+      expect(config.FIAT_PRICE).toStrictEqual({
+        ENABLED: true,
+        API_KEY: '',
+      });
     });
   });
 

backend/src/config.ts

@@ -42,7 +42,6 @@ interface IConfig {
     ALLOW_UNREACHABLE: boolean;
     PRICE_UPDATES_PER_HOUR: number;
     MAX_TRACKED_ADDRESSES: number;
-    CURRENCY_API_KEY: string;
   };
   ESPLORA: {
     REST_API_URL: string;
@@ -159,6 +158,10 @@ interface IConfig {
     UNIX_SOCKET_PATH: string;
     BATCH_QUERY_BASE_SIZE: number;
   },
+  FIAT_PRICE: {
+    ENABLED: boolean;
+    API_KEY: string;
+  },
 }
 
 const defaults: IConfig = {
@@ -201,7 +204,6 @@ const defaults: IConfig = {
     'ALLOW_UNREACHABLE': true,
     'PRICE_UPDATES_PER_HOUR': 1,
     'MAX_TRACKED_ADDRESSES': 1,
-    'CURRENCY_API_KEY': '',
   },
   'ESPLORA': {
     'REST_API_URL': 'http://127.0.0.1:3000',
@@ -318,6 +320,10 @@ const defaults: IConfig = {
     'UNIX_SOCKET_PATH': '',
     'BATCH_QUERY_BASE_SIZE': 5000,
   },
+  'FIAT_PRICE': {
+    'ENABLED': true,
+    'API_KEY': '',
+  },
 };
 
 class Config implements IConfig {
@@ -339,6 +345,7 @@ class Config implements IConfig {
   REPLICATION: IConfig['REPLICATION'];
   MEMPOOL_SERVICES: IConfig['MEMPOOL_SERVICES'];
   REDIS: IConfig['REDIS'];
+  FIAT_PRICE: IConfig['FIAT_PRICE'];
 
   constructor() {
     const configs = this.merge(configFromFile, defaults);
@@ -360,6 +367,7 @@ class Config implements IConfig {
     this.REPLICATION = configs.REPLICATION;
     this.MEMPOOL_SERVICES = configs.MEMPOOL_SERVICES;
     this.REDIS = configs.REDIS;
+    this.FIAT_PRICE = configs.FIAT_PRICE;
   }
 
   merge = (...objects: object[]): IConfig => {