support for Coin ATM Radar

migrations/1526038623129-add_device_location.js

@@ -0,0 +1,13 @@
+var db = require('./db')
+
+exports.up = function (next) {
+  var sql = [
+    'alter table devices add column last_online timestamptz not null default now()',
+    "alter table devices add column location json not null default '{}'"
+  ]
+  db.multi(sql, next)
+}
+
+exports.down = function (next) {
+  next()
+}