diff --git a/package-lock.json b/package-lock.json
index 6133ec2a..ad57ee65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2252,6 +2252,12 @@
       "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM=",
       "dev": true
     },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
+      "dev": true
+    },
     "array-includes": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.0.3.tgz",
@@ -2934,6 +2940,24 @@
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
       "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
     },
+    "body-parser": {
+      "version": "1.18.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
+      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
+      "dev": true,
+      "requires": {
+        "bytes": "3.0.0",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "http-errors": "~1.6.3",
+        "iconv-lite": "0.4.23",
+        "on-finished": "~2.3.0",
+        "qs": "6.5.2",
+        "raw-body": "2.3.3",
+        "type-is": "~1.6.16"
+      }
+    },
     "boom": {
       "version": "7.3.0",
       "resolved": "https://registry.npmjs.org/boom/-/boom-7.3.0.tgz",
@@ -3229,6 +3253,12 @@
       "resolved": "https://registry.npmjs.org/byteman/-/byteman-1.3.5.tgz",
       "integrity": "sha512-FzWDstifFRxtHX234b93AGa1b77dA6NUFpEXe+AoG1NydGN//XDZLMXxRNUoMf7SYYhVxfpwUEUgQOziearJvA=="
     },
+    "bytes": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
+      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
+      "dev": true
+    },
     "cache-base": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
@@ -3951,6 +3981,18 @@
         }
       }
     },
+    "content-disposition": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
+      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ=",
+      "dev": true
+    },
+    "content-type": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
+      "dev": true
+    },
     "convert-source-map": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.1.tgz",
@@ -3962,6 +4004,12 @@
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
       "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
     },
+    "cookie-signature": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=",
+      "dev": true
+    },
     "cookiejar": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.2.tgz",
@@ -4250,7 +4298,6 @@
         "datastore-core": "~0.6.0",
         "encoding-down": "^5.0.4",
         "interface-datastore": "~0.6.0",
-        "level-js": "github:timkuijsten/level.js#18e03adab34c49523be7d3d58fafb0c632f61303",
         "leveldown": "^3.0.2",
         "levelup": "^2.0.2",
         "pull-stream": "^3.6.9"
@@ -4266,12 +4313,22 @@
         },
         "level-js": {
           "version": "github:timkuijsten/level.js#18e03adab34c49523be7d3d58fafb0c632f61303",
-          "from": "github:timkuijsten/level.js#idbunwrapper",
+          "from": "github:timkuijsten/level.js#18e03adab34c49523be7d3d58fafb0c632f61303",
           "requires": {
             "abstract-leveldown": "~2.4.1",
             "idb-readable-stream": "0.0.4",
             "ltgt": "^2.1.2",
             "xtend": "^4.0.1"
+          },
+          "dependencies": {
+            "idb-readable-stream": {
+              "version": "0.0.4",
+              "resolved": "https://registry.npmjs.org/idb-readable-stream/-/idb-readable-stream-0.0.4.tgz",
+              "integrity": "sha1-MoPaZkW/ayINxhumHfYr7l2uSs8=",
+              "requires": {
+                "xtend": "^4.0.1"
+              }
+            }
           }
         },
         "pull-stream": {
@@ -4501,6 +4558,12 @@
       "resolved": "https://registry.npmjs.org/delimit-stream/-/delimit-stream-0.1.0.tgz",
       "integrity": "sha1-m4MZR3wOX4rrPONXrjBfwl6hzSs="
     },
+    "depd": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
+      "dev": true
+    },
     "des.js": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/des.js/-/des.js-1.0.0.tgz",
@@ -4511,6 +4574,12 @@
         "minimalistic-assert": "^1.0.0"
       }
     },
+    "destroy": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
+      "dev": true
+    },
     "detect-indent": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz",
@@ -4718,6 +4787,12 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "ee-first": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
+      "dev": true
+    },
     "elliptic": {
       "version": "6.4.1",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
@@ -4738,6 +4813,12 @@
       "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k=",
       "dev": true
     },
+    "encodeurl": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
+      "dev": true
+    },
     "encoding-down": {
       "version": "5.0.4",
       "resolved": "https://registry.npmjs.org/encoding-down/-/encoding-down-5.0.4.tgz",
@@ -4911,6 +4992,12 @@
         "is-symbol": "^1.0.1"
       }
     },
+    "escape-html": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
+      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
+      "dev": true
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -5376,6 +5463,12 @@
       "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
       "dev": true
     },
+    "etag": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
+      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
+      "dev": true
+    },
     "ethereum-common": {
       "version": "0.0.18",
       "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
@@ -5596,6 +5689,44 @@
       "resolved": "https://registry.npmjs.org/explain-error/-/explain-error-1.0.4.tgz",
       "integrity": "sha1-p5PTrAytTGq1cemWj7urbLJTKSk="
     },
+    "express": {
+      "version": "4.16.4",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.16.4.tgz",
+      "integrity": "sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==",
+      "dev": true,
+      "requires": {
+        "accepts": "~1.3.5",
+        "array-flatten": "1.1.1",
+        "body-parser": "1.18.3",
+        "content-disposition": "0.5.2",
+        "content-type": "~1.0.4",
+        "cookie": "0.3.1",
+        "cookie-signature": "1.0.6",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "finalhandler": "1.1.1",
+        "fresh": "0.5.2",
+        "merge-descriptors": "1.0.1",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "path-to-regexp": "0.1.7",
+        "proxy-addr": "~2.0.4",
+        "qs": "6.5.2",
+        "range-parser": "~1.2.0",
+        "safe-buffer": "5.1.2",
+        "send": "0.16.2",
+        "serve-static": "1.13.2",
+        "setprototypeof": "1.1.0",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
+        "utils-merge": "1.0.1",
+        "vary": "~1.1.2"
+      }
+    },
     "extend": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
@@ -5782,6 +5913,21 @@
         "repeat-string": "^1.5.2"
       }
     },
+    "finalhandler": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
+      "dev": true,
+      "requires": {
+        "debug": "2.6.9",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "statuses": "~1.4.0",
+        "unpipe": "~1.0.0"
+      }
+    },
     "find-cache-dir": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-1.0.0.tgz",
@@ -5910,6 +6056,12 @@
       "integrity": "sha512-Fs9VRguL0gqGHkXS5GQiMCr1VhZBxz0JnJs4JmMp/2jL18Fmbzvv7vOFRU+U8TBkHEE/CX1qDXzJplVULgsLeg==",
       "dev": true
     },
+    "forwarded": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
+      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
+      "dev": true
+    },
     "fragment-cache": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
@@ -5919,6 +6071,12 @@
         "map-cache": "^0.2.2"
       }
     },
+    "fresh": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
+      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
+      "dev": true
+    },
     "from2": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/from2/-/from2-2.3.0.tgz",
@@ -7529,6 +7687,18 @@
         "whatwg-encoding": "^1.0.1"
       }
     },
+    "http-errors": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
+      "dev": true,
+      "requires": {
+        "depd": "~1.1.2",
+        "inherits": "2.0.3",
+        "setprototypeof": "1.1.0",
+        "statuses": ">= 1.4.0 < 2"
+      }
+    },
     "http-signature": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
@@ -7588,14 +7758,6 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
-    "idb-readable-stream": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/idb-readable-stream/-/idb-readable-stream-0.0.4.tgz",
-      "integrity": "sha1-MoPaZkW/ayINxhumHfYr7l2uSs8=",
-      "requires": {
-        "xtend": "^4.0.1"
-      }
-    },
     "ieee754": {
       "version": "1.1.12",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.12.tgz",
@@ -7859,6 +8021,12 @@
       "resolved": "https://registry.npmjs.org/ip-regex/-/ip-regex-2.1.0.tgz",
       "integrity": "sha1-+ni/XS5pE8kRzp+BnuUUa7bYROk="
     },
+    "ipaddr.js": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.8.0.tgz",
+      "integrity": "sha1-6qM9bd16zo9/b+DJygRA5wZzix4=",
+      "dev": true
+    },
     "ipfs": {
       "version": "0.33.1",
       "resolved": "https://registry.npmjs.org/ipfs/-/ipfs-0.33.1.tgz",
@@ -8173,13 +8341,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -8343,13 +8510,12 @@
                 "protons": "^1.0.1",
                 "rsa-pem-to-jwk": "^1.1.3",
                 "tweetnacl": "^1.0.0",
-                "ursa-optional": "~0.9.9",
-                "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+                "ursa-optional": "~0.9.9"
               },
               "dependencies": {
                 "webcrypto-shim": {
                   "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-                  "from": "github:dignifiedquire/webcrypto-shim#master"
+                  "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
                 }
               }
             },
@@ -8667,13 +8833,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -8724,13 +8889,12 @@
                 "protons": "^1.0.1",
                 "rsa-pem-to-jwk": "^1.1.3",
                 "tweetnacl": "^1.0.0",
-                "ursa-optional": "~0.9.9",
-                "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+                "ursa-optional": "~0.9.9"
               },
               "dependencies": {
                 "webcrypto-shim": {
                   "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-                  "from": "github:dignifiedquire/webcrypto-shim#master"
+                  "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
                 }
               }
             },
@@ -9116,14 +9280,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master",
-              "dev": true
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -9194,14 +9356,12 @@
                 "pem-jwk": "^1.5.1",
                 "protons": "^1.0.1",
                 "rsa-pem-to-jwk": "^1.1.3",
-                "tweetnacl": "^1.0.0",
-                "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+                "tweetnacl": "^1.0.0"
               },
               "dependencies": {
                 "webcrypto-shim": {
                   "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-                  "from": "github:dignifiedquire/webcrypto-shim#master",
-                  "dev": true
+                  "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
                 }
               }
             },
@@ -9816,14 +9976,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master",
-              "dev": true
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12082,13 +12240,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12330,13 +12487,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12386,13 +12542,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12544,13 +12699,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12599,13 +12753,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12757,13 +12910,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12851,13 +13003,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -12900,13 +13051,12 @@
                 "protons": "^1.0.1",
                 "rsa-pem-to-jwk": "^1.1.3",
                 "tweetnacl": "^1.0.0",
-                "ursa-optional": "~0.9.9",
-                "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+                "ursa-optional": "~0.9.9"
               },
               "dependencies": {
                 "webcrypto-shim": {
                   "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-                  "from": "github:dignifiedquire/webcrypto-shim#master"
+                  "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
                 }
               }
             },
@@ -13047,8 +13197,7 @@
         "simple-peer": "^9.1.2",
         "socket.io": "^2.1.1",
         "socket.io-client": "^2.1.1",
-        "stream-to-pull-stream": "^1.7.2",
-        "webrtcsupport": "github:ipfs/webrtcsupport#0669f576582c53a3a42aa5ac014fcc5966809615"
+        "stream-to-pull-stream": "^1.7.2"
       },
       "dependencies": {
         "debug": {
@@ -13076,13 +13225,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -13169,6 +13317,10 @@
         "webcrypto-shim": {
           "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
           "from": "github:dignifiedquire/webcrypto-shim#master"
+        },
+        "webrtcsupport": {
+          "version": "github:ipfs/webrtcsupport#0669f576582c53a3a42aa5ac014fcc5966809615",
+          "from": "github:ipfs/webrtcsupport#0669f576582c53a3a42aa5ac014fcc5966809615"
         }
       }
     },
@@ -13220,13 +13372,12 @@
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
             "tweetnacl": "^1.0.0",
-            "ursa-optional": "~0.9.9",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "ursa-optional": "~0.9.9"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -13306,13 +13457,12 @@
                 "protons": "^1.0.1",
                 "rsa-pem-to-jwk": "^1.1.3",
                 "tweetnacl": "^1.0.0",
-                "ursa-optional": "~0.9.9",
-                "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+                "ursa-optional": "~0.9.9"
               },
               "dependencies": {
                 "webcrypto-shim": {
                   "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-                  "from": "github:dignifiedquire/webcrypto-shim#master"
+                  "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
                 }
               }
             },
@@ -13741,6 +13891,12 @@
         "inherits": "^2.0.1"
       }
     },
+    "media-typer": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
+      "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=",
+      "dev": true
+    },
     "mem": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/mem/-/mem-1.1.0.tgz",
@@ -13797,6 +13953,12 @@
       "integrity": "sha512-VjFo4P5Whtj4vsLzsYBu5ayHhoHJ0UqNm7ibvShmbmoz7tGi0vXaoJbGdB+GmDMLUdg8DpQXEIeVDAe8MaABvQ==",
       "dev": true
     },
+    "merge-descriptors": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
+      "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=",
+      "dev": true
+    },
     "merge-options": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-options/-/merge-options-1.0.1.tgz",
@@ -14670,6 +14832,15 @@
       "resolved": "https://registry.npmjs.org/observable-webworkers/-/observable-webworkers-1.0.0.tgz",
       "integrity": "sha512-+cECwCR8IEh8UY5nefQVLO9Cydqpk1izO+o7BABmKjXfJZyEOzBWY3ss5jbOPM6KmEa9aQExvAtTW6tVTOsNAQ=="
     },
+    "on-finished": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
+      "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
+      "dev": true,
+      "requires": {
+        "ee-first": "1.1.1"
+      }
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -15053,6 +15224,12 @@
         "better-assert": "~1.0.0"
       }
     },
+    "parseurl": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
+      "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=",
+      "dev": true
+    },
     "pascalcase": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
@@ -15097,6 +15274,12 @@
       "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
       "dev": true
     },
+    "path-to-regexp": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
+      "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=",
+      "dev": true
+    },
     "path-type": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
@@ -15147,13 +15330,12 @@
             "pem-jwk": "^1.5.1",
             "protons": "^1.0.1",
             "rsa-pem-to-jwk": "^1.1.3",
-            "tweetnacl": "^1.0.0",
-            "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+            "tweetnacl": "^1.0.0"
           },
           "dependencies": {
             "webcrypto-shim": {
               "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-              "from": "github:dignifiedquire/webcrypto-shim#master"
+              "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
             }
           }
         },
@@ -15672,6 +15854,16 @@
         "varint": "^5.0.0"
       }
     },
+    "proxy-addr": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.4.tgz",
+      "integrity": "sha512-5erio2h9jp5CHGwcybmxmVqHmnCBZeewlfJ0pex+UW7Qny7OOZXTtH56TGNyBizkgiOwhJtMKrVzDTeKcySZwA==",
+      "dev": true,
+      "requires": {
+        "forwarded": "~0.1.2",
+        "ipaddr.js": "1.8.0"
+      }
+    },
     "prr": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",
@@ -16095,6 +16287,24 @@
         "safe-buffer": "^5.1.0"
       }
     },
+    "range-parser": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz",
+      "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=",
+      "dev": true
+    },
+    "raw-body": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.3.3.tgz",
+      "integrity": "sha512-9esiElv1BrZoI3rCDuOuKCBRbuApGGaDPQfjSflGxdy4oyzqghxu6klEkkVIvBje+FF0BX9coEv8KqW6X/7njw==",
+      "dev": true,
+      "requires": {
+        "bytes": "3.0.0",
+        "http-errors": "1.6.3",
+        "iconv-lite": "0.4.23",
+        "unpipe": "1.0.0"
+      }
+    },
     "rc": {
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
@@ -17048,12 +17258,53 @@
         "semver": "^5.0.3"
       }
     },
+    "send": {
+      "version": "0.16.2",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
+      "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
+      "dev": true,
+      "requires": {
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "~1.6.2",
+        "mime": "1.4.1",
+        "ms": "2.0.0",
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.0",
+        "statuses": "~1.4.0"
+      },
+      "dependencies": {
+        "mime": {
+          "version": "1.4.1",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
+          "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==",
+          "dev": true
+        }
+      }
+    },
     "serialize-javascript": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.5.0.tgz",
       "integrity": "sha512-Ga8c8NjAAp46Br4+0oZ2WxJCwIzwP60Gq1YPgU+39PiTVxyed/iKE/zyZI6+UlVYH5Q4PaQdHhcegIFPZTUfoQ==",
       "dev": true
     },
+    "serve-static": {
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
+      "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
+      "dev": true,
+      "requires": {
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.2",
+        "send": "0.16.2"
+      }
+    },
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
@@ -17093,6 +17344,12 @@
       "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.4.tgz",
       "integrity": "sha1-IOgd5iLUoCWIzgyNqJc8vPHTE48="
     },
+    "setprototypeof": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
+      "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==",
+      "dev": true
+    },
     "sha.js": {
       "version": "2.4.11",
       "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
@@ -17745,6 +18002,12 @@
         }
       }
     },
+    "statuses": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
+      "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
+      "dev": true
+    },
     "stealthy-require": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/stealthy-require/-/stealthy-require-1.1.1.tgz",
@@ -18462,6 +18725,16 @@
         "prelude-ls": "~1.1.2"
       }
     },
+    "type-is": {
+      "version": "1.6.16",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
+      "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+      "dev": true,
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.18"
+      }
+    },
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
@@ -18655,6 +18928,12 @@
         "crypto-random-string": "^1.0.0"
       }
     },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
+      "dev": true
+    },
     "unset-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
@@ -18874,6 +19153,12 @@
         "object.getownpropertydescriptors": "^2.0.3"
       }
     },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
+      "dev": true
+    },
     "uuid": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
@@ -18915,6 +19200,12 @@
         "safe-buffer": "^5.1.1"
       }
     },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+      "dev": true
+    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -20066,10 +20357,6 @@
         }
       }
     },
-    "webrtcsupport": {
-      "version": "github:ipfs/webrtcsupport#0669f576582c53a3a42aa5ac014fcc5966809615",
-      "from": "github:ipfs/webrtcsupport"
-    },
     "whatwg-encoding": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz",
diff --git a/src/space.js b/src/space.js
index 65133abf..c87da156 100644
--- a/src/space.js
+++ b/src/space.js
@@ -34,7 +34,8 @@ class Space {
       if (!entries.find(entry => entry.payload.value.odbAddress.indexOf(nameToSpaceName(this._name)) !== -1)) {
         this._rootStore.add({ odbAddress: spaceAddress })
       }
-      const numEntries = opts.numEntriesMessages ? opts.numEntriesMessages[spaceAddress].numEntries : undefined
+      const hasNumEntries = opts.numEntriesMessages && opts.numEntriesMessages[spaceAddress]
+      const numEntries = hasNumEntries ? opts.numEntriesMessages[spaceAddress].numEntries : undefined
       const syncSpace = async () => {
         await this._store._sync(numEntries)
         if (opts.onSyncDone) opts.onSyncDone()