update ssu, email and sms

lib/config.js

@@ -0,0 +1,24 @@
+require('es6-promise').polyfill()
+var fs = require('fs')
+var pgp = require('pg-promise')()
+
+function connect () {
+  var psqlUrl
+  try {
+    psqlUrl = process.env.DATABASE_URL || JSON.parse(fs.readFileSync('/etc/lamassu.json')).postgresql
+  } catch (ex) {
+    psqlUrl = 'psql://lamassu:lamassu@localhost/lamassu'
+  }
+  return pgp(psqlUrl)
+}
+
+function loadConfig () {
+  var db = connect()
+  return db.one('select data from user_config where type=$1', 'exchanges')
+  .then(function (data) {
+    pgp.end()
+    return data.data
+  })
+}
+
+exports.loadConfig = loadConfig