feat: catch 404, remove circ dep

package.json

@@ -37,7 +37,6 @@
   },
   "homepage": "https://github.com/3box/3id-connect#readme",
   "dependencies": {
-    "3box": "^1.19.0-rc.1",
     "3id-blockchain-utils": "github:ceramicnetwork/js-3id-blockchain-utils#feat/ethereum-auth-function",
     "@babel/runtime": "^7.1.2",
     "identity-wallet": "github:3box/identity-wallet-js#feat/3id-connect-v2",

src/threeIdConnectService.js

@@ -1,24 +1,16 @@
 import { expose, caller } from 'postmsg-rpc'
 import { fakeIpfs } from 'identity-wallet/lib/utils'
 const IdentityWallet = require('identity-wallet')
-const API = require('3box/lib/api.js')
 const Url = require('url-parse')
 const store = require('store')
+const { isLinked } = require('./utils')
 
 const consentKey = (address, domain, space) => `3id_consent_${address}_${domain}_${space}`
 const serializedKey = (address) => `serialized3id_${address}`
 
 const mobileRegex = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i
 const checkIsMobile = () => mobileRegex.test(navigator.userAgent)
 
-async function getLinkedData(address) {
-  try {
-    return API.getRootStoreAddress(address)
-  } catch (err) {
-    return null
-  }
-}
-
 /**
  *  ThreeIdConnectService runs an identity wallet instance and rpc server with
  *  bindings to receive and relay rpc messages to identity wallet
@@ -76,7 +68,7 @@ class ThreeIdConnectService {
       const cached3id = this._get3idState(address)
 
       if (!cached3id) {
-        this.linkPromise = getLinkedData(address)
+        this.linkPromise = isLinked(address)
       }
 
       const diffSpaces = this._diff3idState(cached3id, address, spaces)

src/utils.js

@@ -0,0 +1,36 @@
+// Partically redundant with 3boxjs utils, but added to remove circular dependency entirely for now 
+
+const HTTPError = (status, message) => {
+  const e = new Error(message)
+  e.statusCode = status
+  return e
+}
+
+const fetchJson = async (url, body) => {
+  let opts
+  if (body) {
+    opts = { body: JSON.stringify(body), method: 'POST', headers: { 'Content-Type': 'application/json' } }
+  }
+  const r = await window.fetch(url, opts)
+
+  if (r.ok) {
+    let res = await r.json()
+    return res
+  } else {
+    throw HTTPError(r.status, (await r.json()).message)
+  }
+}
+
+const isLinked = async (address) => {
+  try {
+    const res = await fetchJson(`https://beta.3box.io/address-server/odbAddress/${address}`)
+    return Boolean(res.data.rootStoreAddress)
+  } catch (err) {
+    return false
+  }
+}
+
+export {
+  fetchJson,
+  isLinked
+}