fix pairing bug; remove cachedResponses

lib/pair.js

@@ -1,46 +0,0 @@
-const path = require('path')
-const fs = require('fs')
-const pify = require('pify')
-const readFile = pify(fs.readFile)
-const db = require('./db')
-
-const CA_PATH = path.resolve(__dirname, '..', 'certs', 'root-ca.crt.pem')
-
-function pullToken (token) {
-  const sql = `delete from pairing_tokens
-    where token=$1
-    returning name, created < now() - interval '1 hour' as expired`
-  return db.one(sql, [token])
-}
-
-function pair (token, deviceId) {
-  pullToken(token)
-  .then(r => {
-    if (r.expired) return false
-
-    const insertSql = `insert into devices (device_id, name) values ($1, $2)
-    on conflict (device_id)
-    do update set name=$1, paired=TRUE, display=TRUE`
-
-    return db.none(insertSql, [deviceId, r.name])
-    .then(() => true)
-  })
-  .catch(() => false)
-}
-
-function authorizeCaDownload (caToken) {
-  return pullToken(caToken)
-}
-
-function ca () {
-  return readFile(CA_PATH)
-}
-
-function isPaired (deviceId) {
-  const sql = 'select device_id from devices where device_id=$1 and paired=TRUE'
-
-  return db.one(sql, [deviceId])
-  .then(() => true)
-}
-
-module.exports = {pair, authorizeCaDownload, ca, isPaired}