Adding constants

src/_constants.js

@@ -0,0 +1,30 @@
+module.exports = {
+    app: {
+        BLOCKCHAIN_REFRESH_INTERVAL: 1 * 60 * 60 * 1000, //1 hr
+    },
+    request: {
+        SIGN_EXPIRE_TIME: 5 * 60 * 1000, //5 mins
+        MAX_SESSION_TIMEOUT: 30 * 24 * 60 * 60 * 1000, //30 days
+    },
+    background: {
+        PERIOD_INTERVAL: 5 * 60 * 1000, //5 min,
+        WAIT_TIME: 2 * 60 * 1000, //2 mins,
+        REQUEST_TIMEOUT: 24 * 60 * 60 * 1000, //1 day
+    },
+    keys: {
+        SHARES_PER_NODE: 8,
+        SHARE_THRESHOLD: 50 / 100, //50%
+        DISCARD_COOLDOWN: 24 * 60 * 60 * 1000, //1 day
+        SHUFFLE_INTERVAL: 12 * 60 * 60 * 1000, //12 hrs
+    },
+    market: {
+        TRADE_HASH_PREFIX: "f1",
+        TRANSFER_HASH_PREFIX: "f0"
+    },
+    backup: {
+        HASH_N_ROW: 100,
+        BACKUP_INTERVAL: 5 * 60 * 1000, //5 min
+        BACKUP_SYNC_TIMEOUT: 10 * 60 * 1000, //10 mins
+        CHECKSUM_INTERVAL: 10, //times of BACKUP_INTERVAL
+    }
+}