diff --git a/contracts/test/TestUserRegistry.js b/contracts/test/TestUserRegistry.js
index 4325f890..7445305b 100644
--- a/contracts/test/TestUserRegistry.js
+++ b/contracts/test/TestUserRegistry.js
@@ -4,7 +4,7 @@ contract("UserRegistry", accounts => {
   let userRegistry
 
   beforeEach(async () => {
-    userRegistry = await UserRegistry.new({ from: accounts[0] })
+    userRegistry = await UserRegistry.deployed()
   })
 
   it("should be able to register a user", async function() {
diff --git a/contracts/test/identity/TestClaimHolderRegistered.js b/contracts/test/identity/TestClaimHolderRegistered.js
index a6b14398..728126a6 100644
--- a/contracts/test/identity/TestClaimHolderRegistered.js
+++ b/contracts/test/identity/TestClaimHolderRegistered.js
@@ -29,7 +29,7 @@ contract("ClaimHolderRegistered", accounts => {
   }
 
   beforeEach(async function() {
-    userRegistry = await UserRegistry.new( { from: accounts[1] } )
+    userRegistry = await UserRegistry.deployed()
     claimHolderRegistered = await ClaimHolderRegistered.new(userRegistry.address, { from: accounts[0] })
   })
 
diff --git a/package-lock.json b/package-lock.json
index eb10b650..e3109ca9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,6 +29,158 @@
         "samsam": "1.3.0"
       }
     },
+    "@webassemblyjs/ast": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.3.1.tgz",
+      "integrity": "sha512-WJKy500MK6cM5LNcOjKlLHnYtTU5PcmL06iXErYriA90GLn7W/EzIyknZRx0Bj3W6FjYKTPkHADdE3GM0ZJk1Q==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/helper-wasm-bytecode": "1.3.1",
+        "@webassemblyjs/wast-parser": "1.3.1",
+        "webassemblyjs": "1.3.1"
+      }
+    },
+    "@webassemblyjs/floating-point-hex-parser": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.3.1.tgz",
+      "integrity": "sha512-8kCRyt0bQSnZD67UQfDTONO0jD7HCxmNUUJfT9OnVok0RWYs/AnpS83kfHtQjHucRMyx2d+YlsJWkdhXdLobqA==",
+      "dev": true
+    },
+    "@webassemblyjs/helper-buffer": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-buffer/-/helper-buffer-1.3.1.tgz",
+      "integrity": "sha512-xIcxcfkBrrivLauyXJ57i/ArPy+kFgZjMDrxm4pSUBG2VtwwYKjOZAyjf4qsM4JbP5vRuRzMD2gp+a9WMyC3PA==",
+      "dev": true
+    },
+    "@webassemblyjs/helper-code-frame": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-code-frame/-/helper-code-frame-1.3.1.tgz",
+      "integrity": "sha512-X305tLl7qeTixYz0/Y0Xu+bcNizJLfHUZ1iTiVtorDkh5mLrIZ8hLkkM2oYNSq/oaoW6gpHDrHRfYZItExTeeQ==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/wast-printer": "1.3.1"
+      }
+    },
+    "@webassemblyjs/helper-fsm": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-fsm/-/helper-fsm-1.3.1.tgz",
+      "integrity": "sha512-Be1G8ZDTP1T+vXaVMraXY8+SoJnOVNarRkByrM83PHjW+vqUwubwYPpA4U2NBTz4WG19vYpfsUccCZwOPiyK+Q==",
+      "dev": true
+    },
+    "@webassemblyjs/helper-wasm-bytecode": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-wasm-bytecode/-/helper-wasm-bytecode-1.3.1.tgz",
+      "integrity": "sha512-rOIjy/Cmd+hspim9B/c7dUqhW8AyKsRceVcQtWljIvFSitx9rsL5m73NGaGFUVAEaMDvvEzYczehjwbrHPz4KA==",
+      "dev": true
+    },
+    "@webassemblyjs/helper-wasm-section": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-wasm-section/-/helper-wasm-section-1.3.1.tgz",
+      "integrity": "sha512-mDBlDsrsl1Y7LGEdmlTzdDwr/SCe2l9ZsQZ1GYXird71jlU/0djs5ZXfxyufd1G3wO+yuxW997m50Patk4s1fA==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/helper-buffer": "1.3.1",
+        "@webassemblyjs/helper-wasm-bytecode": "1.3.1",
+        "@webassemblyjs/wasm-gen": "1.3.1"
+      }
+    },
+    "@webassemblyjs/leb128": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/leb128/-/leb128-1.3.1.tgz",
+      "integrity": "sha512-CgkWUXRINTGs/+Swp8COvwOk5Ci4spv1MKDdGfRecyFiLGs7wYm/p4fgRQWzBEFaotEP/ftPa9O6BFykrwghzw==",
+      "dev": true,
+      "requires": {
+        "leb": "^0.3.0"
+      }
+    },
+    "@webassemblyjs/validation": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/validation/-/validation-1.3.1.tgz",
+      "integrity": "sha512-afp32tgDVwW53lQc58PtIBifyZf3qGzRpl9r+8SNHzPOe6lBamjK1RWEA83YHwvu7qk6uBV7IAeUC7BgdxPtsA==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1"
+      }
+    },
+    "@webassemblyjs/wasm-edit": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-edit/-/wasm-edit-1.3.1.tgz",
+      "integrity": "sha512-0T75tHKR0dIDiO3oqBZmo+2McJy5FkgSL2AIP3rJvqrDFaJ19jCrC5KLqGbqo3ZicdY9x9Xdc9zaY2A1TCkAiw==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/helper-buffer": "1.3.1",
+        "@webassemblyjs/helper-wasm-bytecode": "1.3.1",
+        "@webassemblyjs/helper-wasm-section": "1.3.1",
+        "@webassemblyjs/wasm-gen": "1.3.1",
+        "@webassemblyjs/wasm-opt": "1.3.1",
+        "@webassemblyjs/wasm-parser": "1.3.1",
+        "@webassemblyjs/wast-printer": "1.3.1",
+        "debug": "^3.1.0"
+      }
+    },
+    "@webassemblyjs/wasm-gen": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-gen/-/wasm-gen-1.3.1.tgz",
+      "integrity": "sha512-iYgQ3UJpsKiJnXerHulT//JpJAHuLavqMPEtUiRnSh0r/WvZh8pNtYBaN2v64+d9yTtu9aMlJmlKi6uz1j5FFg==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/helper-wasm-bytecode": "1.3.1",
+        "@webassemblyjs/leb128": "1.3.1"
+      }
+    },
+    "@webassemblyjs/wasm-opt": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-opt/-/wasm-opt-1.3.1.tgz",
+      "integrity": "sha512-Eqi1he5VuGxMYKGhrBU+UxUhIwTDlnuvJmwrad3k4dD2UQpqu3HedRndGdJTQ68xj2GqDCdE6QiLzjytSN4KVQ==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/helper-buffer": "1.3.1",
+        "@webassemblyjs/wasm-gen": "1.3.1",
+        "@webassemblyjs/wasm-parser": "1.3.1"
+      }
+    },
+    "@webassemblyjs/wasm-parser": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-parser/-/wasm-parser-1.3.1.tgz",
+      "integrity": "sha512-euRnqP/bky9DGbXf5Nqvtmc5soOM7xkvwI2H+LSP88NAFkcGMPEnrAP4UbsFAH+ESnS4kAW6wL5UyzjWBiiTbA==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/helper-wasm-bytecode": "1.3.1",
+        "@webassemblyjs/leb128": "1.3.1",
+        "@webassemblyjs/wasm-parser": "1.3.1",
+        "webassemblyjs": "1.3.1"
+      }
+    },
+    "@webassemblyjs/wast-parser": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-parser/-/wast-parser-1.3.1.tgz",
+      "integrity": "sha512-lM7Kwsp1mqqL3jq1kXKeoT8Z/cXvPQ2kWBNg19nZXbL1eLgr+4qRi83WvQU45+5+uIovigtBw/WU0nLLev7LGA==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/floating-point-hex-parser": "1.3.1",
+        "@webassemblyjs/helper-code-frame": "1.3.1",
+        "@webassemblyjs/helper-fsm": "1.3.1",
+        "long": "^3.2.0",
+        "webassemblyjs": "1.3.1"
+      }
+    },
+    "@webassemblyjs/wast-printer": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-printer/-/wast-printer-1.3.1.tgz",
+      "integrity": "sha512-V2SMByzsrTT2wGQOjm/3ctCiy8mdYOSLDk+EkOpNHVZWB9ISJc+gZWzniTgihih03UWqqNa1S/0XpyVz7ZEYSQ==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/wast-parser": "1.3.1",
+        "long": "^3.2.0"
+      }
+    },
     "abstract-leveldown": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-3.0.0.tgz",
@@ -96,14 +248,34 @@
       "dev": true
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.0.tgz",
+      "integrity": "sha512-VDUX1oSajablmiyFyED9L1DFndg0P9h7p1F+NO8FkIzei6EPrR6Zu1n18rd5P8PqaSRd/FrWv3G1TVBqpM83gA==",
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
+        "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "json-schema-traverse": "^0.3.0",
+        "uri-js": "^4.2.1"
+      },
+      "dependencies": {
+        "fast-deep-equal": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+          "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
+        },
+        "punycode": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.0.tgz",
+          "integrity": "sha1-X4Y+3Im5bbCQdLrXlHvwkFbKTn0="
+        },
+        "uri-js": {
+          "version": "4.2.1",
+          "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.1.tgz",
+          "integrity": "sha512-jpKCA3HjsBfSDOEgxRDAxQCNyHfCPSbq57PqCkd3gAyBuPb3IWxw54EHncqESznIdqSetHfw3D7ylThu2Kcc9A==",
+          "requires": {
+            "punycode": "^2.1.0"
+          }
+        }
       }
     },
     "ajv-keywords": {
@@ -356,6 +528,7 @@
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-5.0.0.tgz",
       "integrity": "sha512-Y+FKviD0uyIWWo/xE0XkUl0x1allKFhzEVJ+//2Dgqpy+n+B77MlPNqvyk7Vx50M9XyVzjnRhDqJAEAsyivlbA==",
+      "dev": true,
       "requires": {
         "bn.js": "^4.0.0",
         "inherits": "^2.0.1",
@@ -398,6 +571,7 @@
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
       "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
+      "dev": true,
       "requires": {
         "lodash": "^4.14.0"
       }
@@ -1633,7 +1807,8 @@
     "big.js": {
       "version": "5.0.3",
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.0.3.tgz",
-      "integrity": "sha512-av8LNZGBl4cg2r4ZhWqghJOxi2P8UCcWhdmrFgcHPMmUJ6jx1FbnyxjwL4URYzMK3QJg60qeMefQhv9G14oYKA=="
+      "integrity": "sha512-av8LNZGBl4cg2r4ZhWqghJOxi2P8UCcWhdmrFgcHPMmUJ6jx1FbnyxjwL4URYzMK3QJg60qeMefQhv9G14oYKA==",
+      "dev": true
     },
     "bigi": {
       "version": "1.4.2",
@@ -1644,7 +1819,8 @@
     "bignumber.js": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-6.0.0.tgz",
-      "integrity": "sha512-x247jIuy60/+FtMRvscqfxtVHQf8AGx2hm9c6btkgC0x/hp9yt+teISNhvF8WlwRkCc5yF2fDECH8SIMe8j+GA=="
+      "integrity": "sha512-x247jIuy60/+FtMRvscqfxtVHQf8AGx2hm9c6btkgC0x/hp9yt+teISNhvF8WlwRkCc5yF2fDECH8SIMe8j+GA==",
+      "dev": true
     },
     "binary-extensions": {
       "version": "1.11.0",
@@ -1749,7 +1925,8 @@
     "blakejs": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.1.0.tgz",
-      "integrity": "sha1-ad+S75U6qIylGjLfarHFShVfx6U="
+      "integrity": "sha1-ad+S75U6qIylGjLfarHFShVfx6U=",
+      "dev": true
     },
     "blob": {
       "version": "0.0.4",
@@ -1842,6 +2019,7 @@
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/borc/-/borc-2.0.3.tgz",
       "integrity": "sha512-2mfipKUXn7yLgwn8D5jZkJqd2ZyzqmYZQX/9d4On33oGNDLwxj5qQMst+nkKyEdaujQRFfrZCId+k8wehQVANg==",
+      "dev": true,
       "requires": {
         "bignumber.js": "^6.0.0",
         "commander": "^2.15.0",
@@ -2136,7 +2314,8 @@
     "buffer-from": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.0.0.tgz",
-      "integrity": "sha512-83apNb8KK0Se60UE1+4Ukbe3HbfELJ6UlI4ldtOGs7So4KD26orJM8hIY9lxdzP+UpItH1Yh/Y8GUvNFWFFRxA=="
+      "integrity": "sha512-83apNb8KK0Se60UE1+4Ukbe3HbfELJ6UlI4ldtOGs7So4KD26orJM8hIY9lxdzP+UpItH1Yh/Y8GUvNFWFFRxA==",
+      "dev": true
     },
     "buffer-indexof": {
       "version": "0.0.2",
@@ -2147,7 +2326,8 @@
     "buffer-loader": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/buffer-loader/-/buffer-loader-0.0.1.tgz",
-      "integrity": "sha1-TWd8qS3YiTEIeLAqL7z6txICTPI="
+      "integrity": "sha1-TWd8qS3YiTEIeLAqL7z6txICTPI=",
+      "dev": true
     },
     "buffer-split": {
       "version": "1.0.0",
@@ -2177,7 +2357,8 @@
     "builtin-status-codes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz",
-      "integrity": "sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug="
+      "integrity": "sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug=",
+      "dev": true
     },
     "byteman": {
       "version": "1.3.5",
@@ -2587,6 +2768,7 @@
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/cids/-/cids-0.5.3.tgz",
       "integrity": "sha512-ujWbNP8SeLKg5KmGrxYZM4c+ttd+wwvegrdtgmbi2KNFUbQN4pqsGZaGQE3rhjayXTbKFq36bYDbKhsnD0eMsg==",
+      "dev": true,
       "requires": {
         "multibase": "~0.4.0",
         "multicodec": "~0.2.6",
@@ -2614,7 +2796,8 @@
     "class-is": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/class-is/-/class-is-1.1.0.tgz",
-      "integrity": "sha512-rhjH9AG1fvabIDoGRVH587413LPjTZgmDF9fOFCbFJQV4yuocX1mHxxvXI4g3cGwbVY9wAYIoKlg1N79frJKQw=="
+      "integrity": "sha512-rhjH9AG1fvabIDoGRVH587413LPjTZgmDF9fOFCbFJQV4yuocX1mHxxvXI4g3cGwbVY9wAYIoKlg1N79frJKQw==",
+      "dev": true
     },
     "class-utils": {
       "version": "0.3.6",
@@ -2952,6 +3135,7 @@
       "version": "1.6.2",
       "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
       "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "dev": true,
       "requires": {
         "buffer-from": "^1.0.0",
         "inherits": "^2.0.3",
@@ -3194,7 +3378,8 @@
     "crypto-js": {
       "version": "3.1.9-1",
       "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.9-1.tgz",
-      "integrity": "sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg="
+      "integrity": "sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg=",
+      "dev": true
     },
     "crypto-random-string": {
       "version": "1.0.0",
@@ -3513,6 +3698,7 @@
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
       "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "dev": true,
       "requires": {
         "ms": "2.0.0"
       }
@@ -3673,6 +3859,7 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.2.tgz",
       "integrity": "sha1-g6c/L+pWmJj7c3GTyPhzyvbUXJQ=",
+      "dev": true,
       "requires": {
         "foreach": "^2.0.5",
         "object-keys": "^1.0.8"
@@ -3773,7 +3960,8 @@
     "delimit-stream": {
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       "resolved": "https://registry.npmjs.org/delimit-stream/-/delimit-stream-0.1.0.tgz",
-      "integrity": "sha1-m4MZR3wOX4rrPONXrjBfwl6hzSs="
+      "integrity": "sha1-m4MZR3wOX4rrPONXrjBfwl6hzSs=",
+      "dev": true
     },
     "depd": {
       "version": "1.1.2",
@@ -3818,7 +4006,8 @@
     "detect-node": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/detect-node/-/detect-node-2.0.3.tgz",
-      "integrity": "sha1-ogM8CcyOFY03dI+951B4Mr1s4Sc="
+      "integrity": "sha1-ogM8CcyOFY03dI+951B4Mr1s4Sc=",
+      "dev": true
     },
     "dicer": {
       "version": "0.2.5",
@@ -4084,9 +4273,9 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
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-      "version": "2.5.9",
-      "resolved": "https://registry.npmjs.org/ejs/-/ejs-2.5.9.tgz",
-      "integrity": "sha512-GJCAeDBKfREgkBtgrYSf9hQy9kTb3helv0zGdzqhM7iAkW8FA/ZF97VQDbwFiwIT8MQLLOe5VlPZOEvZAqtUAQ==",
+      "version": "2.6.1",
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       "integrity": "sha512-RAb22TG39LhI31MbreBgIuKiIKhVsawfTgEGqKHTK87aG+ul/PB8Sqoi3I7kVdRWiCfrKxK3uo4/YUkpNvhPbw==",
+      "dev": true,
       "requires": {
         "through2": "^2.0.2"
       }
@@ -22334,7 +17569,8 @@
     "sprintf-js": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.0.tgz",
-      "integrity": "sha1-z/yvcC2vZeo5u04PorKZzsGhvkY="
+      "integrity": "sha1-z/yvcC2vZeo5u04PorKZzsGhvkY=",
+      "dev": true
     },
     "sshpk": {
       "version": "1.14.1",
@@ -22377,7 +17613,8 @@
     "stable": {
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/stable/-/stable-0.1.6.tgz",
-      "integrity": "sha1-kQ9dKu17Ugxud3SZwfMuE5/eyxA="
+      "integrity": "sha1-kQ9dKu17Ugxud3SZwfMuE5/eyxA=",
+      "dev": true
     },
     "statehood": {
       "version": "5.0.3",
@@ -22466,6 +17703,7 @@
       "version": "2.8.1",
       "resolved": "https://registry.npmjs.org/stream-http/-/stream-http-2.8.1.tgz",
       "integrity": "sha512-cQ0jo17BLca2r0GfRdZKYAGLU6JRoIWxqSOakUMuKOT6MOK7AAlE856L33QuDmAy/eeOrhLee3dZKX0Uadu93A==",
+      "dev": true,
       "requires": {
         "builtin-status-codes": "^3.0.0",
         "inherits": "^2.0.1",
@@ -22493,6 +17731,7 @@
       "version": "1.7.2",
       "resolved": "https://registry.npmjs.org/stream-to-pull-stream/-/stream-to-pull-stream-1.7.2.tgz",
       "integrity": "sha1-dXYJrhzr0zx0MtSvvjH/eGULnd4=",
+      "dev": true,
       "requires": {
         "looper": "^3.0.0",
         "pull-stream": "^3.2.3"
@@ -22501,7 +17740,8 @@
     "streamifier": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/streamifier/-/streamifier-0.1.1.tgz",
-      "integrity": "sha1-l+mNj6TRBdYqJpHR3AfoINuN/E8="
+      "integrity": "sha1-l+mNj6TRBdYqJpHR3AfoINuN/E8=",
+      "dev": true
     },
     "streamsearch": {
       "version": "0.1.2",
@@ -22874,6 +18114,7 @@
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.3.tgz",
       "integrity": "sha1-AARWmzfHx0ujnEPzzteNGtlBQL4=",
+      "dev": true,
       "requires": {
         "readable-stream": "^2.1.5",
         "xtend": "~4.0.1"
@@ -22938,7 +18179,8 @@
     "to-arraybuffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
-      "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M="
+      "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M=",
+      "dev": true
     },
     "to-buffer": {
       "version": "1.1.1",
@@ -23019,7 +18261,8 @@
     "traverse": {
       "version": "0.6.6",
       "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.6.6.tgz",
-      "integrity": "sha1-y99WD9e5r2MlAv7UD5GMFX6pcTc="
+      "integrity": "sha1-y99WD9e5r2MlAv7UD5GMFX6pcTc=",
+      "dev": true
     },
     "treeify": {
       "version": "1.1.0",
@@ -23045,9 +18288,9 @@
       "dev": true
     },
     "truffle": {
-      "version": "4.1.7",
-      "resolved": "https://registry.npmjs.org/truffle/-/truffle-4.1.7.tgz",
-      "integrity": "sha512-fe6BIcD9xo6iIJvV1m6ZhOk56kmB8k38kdoWOKYnPPw7ZUUSupgojeTb2K5e+4qIpIHvEvmET4yLUjSGR+hvwA==",
+      "version": "4.1.8",
+      "resolved": "https://registry.npmjs.org/truffle/-/truffle-4.1.8.tgz",
+      "integrity": "sha512-btDML3J9Ao+UDqR725ajTybcEqyXzxFzJDC/NAXOyOXoXf2HJwKq6VEvnjP9qc6owA+fJ50d87MmsPRXk+riCg==",
       "dev": true,
       "requires": {
         "mocha": "^3.4.2",
@@ -23169,12 +18412,14 @@
     "truffle-blockchain-utils": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/truffle-blockchain-utils/-/truffle-blockchain-utils-0.0.4.tgz",
-      "integrity": "sha512-wgRrhwqh0aea08Hz28hUV4tuF2uTVQH/e9kBou+WK04cqrutB5cxQVQ6HGjeZLltxBYOFvhrGOOq4l3WJFnPEA=="
+      "integrity": "sha512-wgRrhwqh0aea08Hz28hUV4tuF2uTVQH/e9kBou+WK04cqrutB5cxQVQ6HGjeZLltxBYOFvhrGOOq4l3WJFnPEA==",
+      "dev": true
     },
     "truffle-contract": {
       "version": "3.0.5",
       "resolved": "https://registry.npmjs.org/truffle-contract/-/truffle-contract-3.0.5.tgz",
       "integrity": "sha512-lRayhvX73OrLJ6TDvc0iYbzcB+Y1F9FCj9N1FXQ2EKOkqyIjmgZNMZFHGjvfTws1gsmonYd6sND0ahipiUYy8g==",
+      "dev": true,
       "requires": {
         "ethjs-abi": "0.1.8",
         "truffle-blockchain-utils": "^0.0.4",
@@ -23185,17 +18430,20 @@
       "dependencies": {
         "bignumber.js": {
           "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
-          "from": "bignumber.js@git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
+          "from": "bignumber.js@git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
+          "dev": true
         },
         "crypto-js": {
           "version": "3.1.8",
           "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.8.tgz",
-          "integrity": "sha1-cV8HC/YBTyrpkqmLOSkli3E/CNU="
+          "integrity": "sha1-cV8HC/YBTyrpkqmLOSkli3E/CNU=",
+          "dev": true
         },
         "web3": {
           "version": "0.20.6",
           "resolved": "https://registry.npmjs.org/web3/-/web3-0.20.6.tgz",
           "integrity": "sha1-PpcwauAk+yThCj11yIQwJWIhUSA=",
+          "dev": true,
           "requires": {
             "bignumber.js": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
             "crypto-js": "^3.1.4",
@@ -23210,16 +18458,32 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/truffle-contract-schema/-/truffle-contract-schema-2.0.0.tgz",
       "integrity": "sha512-nLlspmu1GKDaluWksBwitHi/7Z3IpRjmBYeO9N+T1nVJD2V4IWJaptCKP1NqnPiJA+FChB7+F7pI6Br51/FtXQ==",
+      "dev": true,
       "requires": {
         "ajv": "^5.1.1",
         "crypto-js": "^3.1.9-1",
         "debug": "^3.1.0"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "5.5.2",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+          "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+          "dev": true,
+          "requires": {
+            "co": "^4.6.0",
+            "fast-deep-equal": "^1.0.0",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.3.0"
+          }
+        }
       }
     },
     "truffle-error": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/truffle-error/-/truffle-error-0.0.2.tgz",
-      "integrity": "sha1-AbGJt4UFVmrhaJwjnHyi3RIc/kw="
+      "integrity": "sha1-AbGJt4UFVmrhaJwjnHyi3RIc/kw=",
+      "dev": true
     },
     "truffle-hdwallet-provider": {
       "version": "0.0.5",
@@ -23378,7 +18642,8 @@
     "tweetnacl": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.0.tgz",
-      "integrity": "sha1-cT2LgY2kIGh0C/aDhtBHnmb8ins="
+      "integrity": "sha1-cT2LgY2kIGh0C/aDhtBHnmb8ins=",
+      "dev": true
     },
     "type-detect": {
       "version": "4.0.8",
@@ -23398,7 +18663,8 @@
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true
     },
     "typedarray-to-buffer": {
       "version": "3.1.5",
@@ -23469,18 +18735,6 @@
         "worker-farm": "^1.5.2"
       },
       "dependencies": {
-        "ajv": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
-          "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
-          "dev": true,
-          "requires": {
-            "fast-deep-equal": "^1.0.0",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.3.0",
-            "uri-js": "^3.0.2"
-          }
-        },
         "commander": {
           "version": "2.13.0",
           "resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
@@ -23770,23 +19024,6 @@
       "integrity": "sha1-9rRQHC7EzdJrp4vnIilh3ndiFZg=",
       "dev": true
     },
-    "uri-js": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
-      "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
-      "dev": true,
-      "requires": {
-        "punycode": "^2.1.0"
-      },
-      "dependencies": {
-        "punycode": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.0.tgz",
-          "integrity": "sha1-X4Y+3Im5bbCQdLrXlHvwkFbKTn0=",
-          "dev": true
-        }
-      }
-    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -23879,7 +19116,8 @@
     "utf8": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.2.tgz",
-      "integrity": "sha1-H6DZJw6b6FDZsFAn9jUZv0ZFfZY="
+      "integrity": "sha1-H6DZJw6b6FDZsFAn9jUZv0ZFfZY=",
+      "dev": true
     },
     "utf8-byte-length": {
       "version": "1.0.4",
@@ -23913,6 +19151,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.0.tgz",
       "integrity": "sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==",
+      "dev": true,
       "requires": {
         "define-properties": "^1.1.2",
         "object.getownpropertydescriptors": "^2.0.3"
@@ -23962,7 +19201,8 @@
     "varint": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/varint/-/varint-5.0.0.tgz",
-      "integrity": "sha1-2Ca4n3SQcy+rwMDtaT7Uddyynr8="
+      "integrity": "sha1-2Ca4n3SQcy+rwMDtaT7Uddyynr8=",
+      "dev": true
     },
     "varint-decoder": {
       "version": "0.1.1",
@@ -24730,16 +19970,33 @@
         }
       }
     },
+    "webassemblyjs": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/webassemblyjs/-/webassemblyjs-1.3.1.tgz",
+      "integrity": "sha512-jaqGpR+MLye6fzxKTiv0/TPEm6ma7ypef76JlQVk9E1z5M2N6EXNrsMOuh7P6aXUVFHJSioRp4N9QOFpcWfIVA==",
+      "dev": true,
+      "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/validation": "1.3.1",
+        "@webassemblyjs/wasm-parser": "1.3.1",
+        "@webassemblyjs/wast-parser": "1.3.1",
+        "long": "^3.2.0"
+      }
+    },
     "webcrypto-shim": {
       "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-      "from": "webcrypto-shim@github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+      "from": "webcrypto-shim@github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
+      "dev": true
     },
     "webpack": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.6.0.tgz",
-      "integrity": "sha512-Fu/k/3fZeGtIhuFkiYpIy1UDHhMiGKjG4FFPVuvG+5Os2lWA1ttWpmi9Qnn6AgfZqj9MvhZW/rmj/ip+nHr06g==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.8.1.tgz",
+      "integrity": "sha512-xkxthzaVR298HmvmrjBCjiCmgzWnBnvBlgPzuvqmxWSh8QImrPvCCmr482YIx7ixWkTtQj1aMRz+cjoNPUsGEQ==",
       "dev": true,
       "requires": {
+        "@webassemblyjs/ast": "1.3.1",
+        "@webassemblyjs/wasm-edit": "1.3.1",
+        "@webassemblyjs/wasm-parser": "1.3.1",
         "acorn": "^5.0.0",
         "acorn-dynamic-import": "^3.0.0",
         "ajv": "^6.1.0",
@@ -24761,18 +20018,6 @@
         "webpack-sources": "^1.0.1"
       },
       "dependencies": {
-        "ajv": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
-          "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
-          "dev": true,
-          "requires": {
-            "fast-deep-equal": "^1.0.0",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.3.0",
-            "uri-js": "^3.0.2"
-          }
-        },
         "arr-diff": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -25151,9 +20396,9 @@
       }
     },
     "webpack-cli": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-2.1.2.tgz",
-      "integrity": "sha512-2C6bs9gORlzCSgkNZTnj8hnXMxe3g2v+yqiUdB+1l/I3sI36ND4zZStV00yq0eGjE5CNu0eqOQr7YYe+42H2Yw==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-2.1.3.tgz",
+      "integrity": "sha512-5AsKoL/Ccn8iTrwk3uErdyhetGH+c7VRQ7Itim2GL0IhBRq5rtojVDk00buMRmFmBpw1RvHXq97Gup965LbozA==",
       "dev": true,
       "requires": {
         "chalk": "^2.3.2",
@@ -26142,7 +21387,8 @@
     "wordwrap": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
+      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+      "dev": true
     },
     "worker-farm": {
       "version": "1.6.0",
@@ -26264,7 +21510,8 @@
     "xmlhttprequest": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw=",
+      "dev": true
     },
     "xmlhttprequest-ssl": {
       "version": "1.5.5",
@@ -26297,7 +21544,8 @@
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "dev": true
     },
     "yargs": {
       "version": "7.1.0",
diff --git a/package.json b/package.json
index c905ee0a..69fb13d9 100644
--- a/package.json
+++ b/package.json
@@ -30,17 +30,14 @@
   "author": "Stan James <stan@originprotocol.com>",
   "license": "MIT",
   "dependencies": {
+    "ajv": "^6.5.0",
     "babel-polyfill": "^6.26.0",
     "bs58": "^4.0.1",
     "cross-fetch": "^2.1.1",
     "ethereumjs-util": "^5.2.0",
     "form-data": "^2.3.2",
-    "ipfs-api": "^20.2.0",
     "map-cache": "^0.2.2",
-    "npm": "^6.0.0",
     "rlp": "^2.0.0",
-    "truffle-contract": "^3.0.5",
-    "util.promisify": "^1.0.0",
     "web3": "^1.0.0-beta.34"
   },
   "devDependencies": {
@@ -58,15 +55,17 @@
     "ganache-core": "^2.1.0",
     "html-webpack-plugin": "^3.2.0",
     "ipfs": "^0.28.2",
+    "ipfs-api": "^20.2.1",
     "mocha": "^5.1.1",
     "mocha-loader": "^1.1.3",
     "node-watch": "^0.5.8",
     "prettier": "1.12.1",
-    "sinon": "^5.0.3",
-    "truffle": "^4.1.7",
+    "sinon": "^5.0.7",
+    "truffle": "^4.1.8",
+    "truffle-contract": "^3.0.5",
     "truffle-hdwallet-provider": "0.0.5",
-    "webpack": "^4.6.0",
-    "webpack-cli": "^2.1.2",
+    "webpack": "^4.8.1",
+    "webpack-cli": "^2.1.3",
     "webpack-dev-server": "^3.1.4",
     "webpack-node-externals": "^1.7.2"
   }
diff --git a/scripts/test.js b/scripts/test.js
index 463b9d03..b2103ca4 100644
--- a/scripts/test.js
+++ b/scripts/test.js
@@ -8,8 +8,8 @@ const testFormat = require('./helpers/test-format')
 const start = async () => {
   try {
     await startGanache()
-    await deployContracts()
     await testContracts()
+    await deployContracts()
     await startIpfs()
     await testJavascript()
     await testFormat()
diff --git a/src/contract-service.js b/src/contract-service.js
index 33d1d02b..90c5d99c 100644
--- a/src/contract-service.js
+++ b/src/contract-service.js
@@ -29,6 +29,15 @@ class ContractService {
     }
     for (let name in contracts) {
       this[name] = contracts[name]
+      try {
+        this[name].networks = Object.assign(
+          {},
+          this[name].networks,
+          options.contractAddresses[name]
+        )
+      } catch (e) {
+        /* Ignore */
+      }
     }
   }
 
@@ -200,7 +209,6 @@ class ContractService {
         this.web3.eth.getTransaction(transactionHash, (error, transaction) => {
           if (transaction.blockNumber != null) {
             console.log(`Transaction mined at block ${transaction.blockNumber}`)
-            console.log(transaction)
             // TODO: Wait maximum number of blocks
             // TODO (Stan): Confirm transaction *sucessful* with getTransactionReceipt()
 
diff --git a/src/index.js b/src/index.js
index 4f55a65a..e56ca0b2 100644
--- a/src/index.js
+++ b/src/index.js
@@ -10,15 +10,23 @@ var resources = {
   users: require("./resources/users")
 }
 
+const defaultBridgeServer = "https://bridge.originprotocol.com"
+const defaultIpfsDomain = "gateway.originprotocol.com"
+const defaultIpfsApiPort = "5002"
+const defaultIpfsGatewayPort = "443"
+const defaultIpfsGatewayProtocol = "https"
+const defaultAttestationServerUrl = `${defaultBridgeServer}/api/attestations`
+
 class Origin {
   constructor({
-    ipfsDomain,
-    ipfsApiPort,
-    ipfsGatewayPort,
-    ipfsGatewayProtocol,
-    attestationServerUrl
+    ipfsDomain = defaultIpfsDomain,
+    ipfsApiPort = defaultIpfsApiPort,
+    ipfsGatewayPort = defaultIpfsGatewayPort,
+    ipfsGatewayProtocol = defaultIpfsGatewayProtocol,
+    attestationServerUrl = defaultAttestationServerUrl,
+    contractAddresses
   } = {}) {
-    this.contractService = new ContractService()
+    this.contractService = new ContractService({ contractAddresses })
     this.ipfsService = new IpfsService({
       ipfsDomain,
       ipfsApiPort,
diff --git a/src/ipfs-service.js b/src/ipfs-service.js
index f299eaf2..6864eff1 100644
--- a/src/ipfs-service.js
+++ b/src/ipfs-service.js
@@ -13,10 +13,10 @@ const Ports = {
 
 class IpfsService {
   constructor({
-    ipfsGatewayProtocol = "https",
-    ipfsDomain = "gateway.originprotocol.com",
-    ipfsGatewayPort = "443",
-    ipfsApiPort = "443"
+    ipfsGatewayProtocol,
+    ipfsDomain,
+    ipfsGatewayPort,
+    ipfsApiPort
   } = {}) {
     this.gateway = `${ipfsGatewayProtocol}://${ipfsDomain}`
     this.api = `${ipfsGatewayProtocol}://${ipfsDomain}`
diff --git a/src/resources/attestations.js b/src/resources/attestations.js
index 0ccb48d4..071886c6 100644
--- a/src/resources/attestations.js
+++ b/src/resources/attestations.js
@@ -88,20 +88,19 @@ class Attestations {
     )
   }
 
-  async facebookAuthUrl({ redirectUrl }) {
+  async facebookAuthUrl() {
     return await this.get(
-      `facebook/auth-url?redirect-url=${redirectUrl}`,
+      `facebook/auth-url`,
       responseToUrl
     )
   }
 
-  async facebookVerify({ wallet, redirectUrl, code }) {
+  async facebookVerify({ wallet, code }) {
     let identity = await this.getIdentityAddress(wallet)
     return await this.post(
       "facebook/verify",
       {
         identity,
-        "redirect-url": redirectUrl,
         code
       },
       this.responseToAttestation
@@ -115,13 +114,13 @@ class Attestations {
     )
   }
 
-  async twitterVerify({ wallet, oauthVerifier }) {
+  async twitterVerify({ wallet, code }) {
     let identity = await this.getIdentityAddress(wallet)
     return await this.post(
       "twitter/verify",
       {
         identity,
-        "oauth-verifier": oauthVerifier
+        "oauth-verifier": code
       },
       this.responseToAttestation
     )
@@ -133,7 +132,8 @@ class Attestations {
       {
         method,
         body: body ? JSON.stringify(body) : undefined,
-        headers: { "content-type": "application/json" }
+        headers: { "content-type": "application/json" },
+        credentials: 'include'
       }
     )
     let json = await response.json()
diff --git a/src/schemas/user.json b/src/schemas/user.json
index 79633e62..044163ff 100644
--- a/src/schemas/user.json
+++ b/src/schemas/user.json
@@ -1,5 +1,5 @@
 {
-  "$schema":"http://json-schema.org/draft-06/schema#",
+  "$id":"http://json-schema.org/draft-06/schema",
   "title": "User",
   "type": "object",
   "required": ["claims"],
diff --git a/test/contract-service.test.js b/test/contract-service.test.js
index 21a00bf5..e460c759 100644
--- a/test/contract-service.test.js
+++ b/test/contract-service.test.js
@@ -95,4 +95,25 @@ describe("ContractService", function() {
       )
     })
   })
+
+  describe("passing in contract addresses", () => {
+    it("should allow contract addresses to be overridden", () => {
+      const web3 = new Web3()
+      const userAddress = "0x1234567890123456789012345678901234567890"
+      const registryAddress = "0x9876543210987654321098765432109876543210"
+      const contractAddresses = {
+        userRegistryContract: { 4: { address: userAddress } },
+        listingsRegistryContract: { 4: { address: registryAddress } }
+      }
+
+      var contSrv = new ContractService({ web3, contractAddresses })
+
+      expect(contSrv.userRegistryContract.networks[4].address).to.equal(
+        userAddress
+      )
+      expect(contSrv.listingsRegistryContract.networks[4].address).to.equal(
+        registryAddress
+      )
+    })
+  })
 })
diff --git a/test/ipfs-service.test.js b/test/ipfs-service.test.js
index 18432d71..eb668357 100644
--- a/test/ipfs-service.test.js
+++ b/test/ipfs-service.test.js
@@ -27,38 +27,6 @@ describe("IpfsService", () => {
     })
   })
 
-  describe("constructor", () => {
-    it("should default to origin", () => {
-      var service = new IpfsService()
-      expect(service.gateway).to.equal("https://gateway.originprotocol.com")
-      expect(service.api).to.equal("https://gateway.originprotocol.com")
-    })
-
-    it("should use specified port if not protocol default", () => {
-      var service = new IpfsService({ ipfsGatewayPort: "8080" })
-      expect(service.gateway).to.equal(
-        "https://gateway.originprotocol.com:8080"
-      )
-
-      service = new IpfsService({
-        ipfsGatewayProtocol: "http",
-        ipfsGatewayPort: "8080"
-      })
-      expect(service.gateway).to.equal("http://gateway.originprotocol.com:8080")
-
-      service = new IpfsService({
-        ipfsGatewayProtocol: "http",
-        ipfsApiPort: "8080"
-      })
-      expect(service.api).to.equal("http://gateway.originprotocol.com:8080")
-    })
-
-    it("should use default protocol port if given port is empty", () => {
-      var service = new IpfsService({ ipfsGatewayPort: "" })
-      expect(service.gateway).to.equal("https://gateway.originprotocol.com")
-    })
-  })
-
   describe("submitFile", () => {
     listings.forEach(({ data, ipfsHash }) => {
       it("should successfully submit file", async () => {
diff --git a/test/resource_attestations.test.js b/test/resource_attestations.test.js
index a27b074e..18c87445 100644
--- a/test/resource_attestations.test.js
+++ b/test/resource_attestations.test.js
@@ -138,12 +138,10 @@ describe("Attestation Resource", function() {
     it("should process the request", async () => {
       let attestations = setupWithServer({
         expectedMethod: "GET",
-        expectedPath: "facebook/auth-url?redirect-url=http://redirect.url",
+        expectedPath: "facebook/auth-url",
         responseStub: { url: "foo.bar" }
       })
-      let response = await attestations.facebookAuthUrl({
-        redirectUrl: "http://redirect.url"
-      })
+      let response = await attestations.facebookAuthUrl()
       expect(response).to.equal("foo.bar")
     })
   })
@@ -153,12 +151,11 @@ describe("Attestation Resource", function() {
       let attestations = setupWithServer({
         expectedMethod: "POST",
         expectedPath: "facebook/verify",
-        expectedParams: ["identity", "code", "redirect-url"],
+        expectedParams: ["identity", "code"],
         responseStub: sampleAttestation
       })
       let response = await attestations.facebookVerify({
         wallet: sampleWallet,
-        redirectUrl: "foo.bar",
         code: "12345"
       })
       expectAttestation(response)
@@ -187,7 +184,7 @@ describe("Attestation Resource", function() {
       })
       let response = await attestations.twitterVerify({
         wallet: sampleWallet,
-        oauthVerifier: "foo.bar"
+        code: "foo.bar"
       })
       expectAttestation(response)
     })
diff --git a/webpack.config.js b/webpack.config.js
index 127c1ca4..3f1d08b7 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -38,7 +38,8 @@ var clientConfig = {
   entry: ["babel-polyfill", './src/index.js'],
   output: {
     filename: './origin.js',
-    libraryTarget: 'window'
+    libraryTarget: 'var',
+    library: 'Origin'
   },
   mode: 'development',
   devtool: 'inline-source-map',