Bugfix: Upgrade json-rpc-engine (#5348)

* Bugfix: bump version of json-rpc-engine

* Increase delay

* Update lockfile

* deps - json-rpc-engine@3.7.4

3 files changed, 246 insertions, 31 deletions

diff --git a/package-lock.json b/package-lock.json
index acb145a05..3f6b59a0c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9580,6 +9580,15 @@
         "pify": "^3.0.0"
       },
       "dependencies": {
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
         "cross-fetch": {
           "version": "2.2.2",
           "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.2.tgz",
@@ -9635,6 +9644,19 @@
             "secp256k1": "^3.0.1"
           }
         },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
+        },
         "node-fetch": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
@@ -9648,7 +9670,7 @@
       }
     },
     "eth-contract-metadata": {
-      "version": "github:MetaMask/eth-contract-metadata#cc8d1357bd6280b9e7f453a02db625dc3f1906cf",
+      "version": "github:MetaMask/eth-contract-metadata#2da362052a312dc6c72a7eec116abf6284664f50",
       "from": "github:MetaMask/eth-contract-metadata#master"
     },
     "eth-ens-namehash": {
@@ -9685,12 +9707,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -9734,6 +9757,15 @@
         "lodash.flatmap": "^4.5.0"
       },
       "dependencies": {
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
         "eth-json-rpc-middleware": {
           "version": "1.6.0",
           "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-1.6.0.tgz",
@@ -9786,6 +9818,19 @@
           "requires": {
             "promise-to-callback": "^1.0.0"
           }
+        },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
         }
       }
     },
@@ -9800,6 +9845,15 @@
         "tape": "^4.8.0"
       },
       "dependencies": {
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
         "eth-json-rpc-middleware": {
           "version": "1.6.0",
           "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-1.6.0.tgz",
@@ -9833,6 +9887,19 @@
             "safe-buffer": "^5.1.1",
             "secp256k1": "^3.0.1"
           }
+        },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
         }
       }
     },
@@ -9859,17 +9926,27 @@
         "tape": "^4.6.3"
       },
       "dependencies": {
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
         "eth-sig-util": {
           "version": "1.4.2",
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -9898,6 +9975,19 @@
             "safe-buffer": "^5.1.1",
             "secp256k1": "^3.0.1"
           }
+        },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
         }
       }
     },
@@ -9945,12 +10035,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -10011,12 +10102,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -10253,12 +10345,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -10481,12 +10574,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -10567,6 +10661,15 @@
         "web3-provider-engine": "^13.3.2"
       },
       "dependencies": {
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
         "eth-block-tracker": {
           "version": "2.3.1",
           "resolved": "https://registry.npmjs.org/eth-block-tracker/-/eth-block-tracker-2.3.1.tgz",
@@ -10661,6 +10764,19 @@
             }
           }
         },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
+        },
         "pify": {
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -10697,12 +10813,13 @@
               "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
               "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
               "requires": {
+                "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
                 "ethereumjs-util": "^5.1.1"
               },
               "dependencies": {
                 "ethereumjs-abi": {
                   "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
                   "requires": {
                     "bn.js": "^4.10.0",
                     "ethereumjs-util": "^5.0.0"
@@ -12661,12 +12778,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "resolved": false,
-          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "resolved": false,
           "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -12681,17 +12800,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "resolved": false,
-          "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+          "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "resolved": false,
-          "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+          "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "resolved": false,
-          "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+          "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -12808,7 +12930,8 @@
         "inherits": {
           "version": "2.0.3",
           "resolved": false,
-          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -12820,6 +12943,7 @@
           "version": "1.0.0",
           "resolved": false,
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -12834,6 +12958,7 @@
           "version": "3.0.4",
           "resolved": false,
           "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -12951,7 +13076,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "resolved": false,
-          "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+          "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -12963,6 +13089,7 @@
           "version": "1.4.0",
           "resolved": false,
           "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -13084,6 +13211,7 @@
           "version": "1.0.2",
           "resolved": false,
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -13311,6 +13439,16 @@
             "xtend": "~4.0.0"
           }
         },
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "dev": true,
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
         "bn.js": {
           "version": "4.11.6",
           "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
@@ -13552,6 +13690,20 @@
             }
           }
         },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "dev": true,
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
+        },
         "node-fetch": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
@@ -13673,12 +13825,14 @@
               "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
               "dev": true,
               "requires": {
+                "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
                 "ethereumjs-util": "^5.1.1"
               },
               "dependencies": {
                 "ethereumjs-abi": {
                   "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+                  "dev": true,
                   "requires": {
                     "bn.js": "^4.10.0",
                     "ethereumjs-util": "^5.0.0"
@@ -17900,14 +18054,13 @@
       "dev": true
     },
     "json-rpc-engine": {
-      "version": "3.7.3",
-      "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
-      "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+      "version": "3.7.4",
+      "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.4.tgz",
+      "integrity": "sha512-urQunMR6LYIPhGs6ppLGqdwSVkllaVa70Em9uGYgEi5iqG3/oKYZM0B9C9EaRfih30k+tztDn2GG9eHbuaMmwg==",
       "requires": {
         "async": "^2.0.1",
         "babel-preset-env": "^1.3.2",
         "babelify": "^7.3.0",
-        "clone": "^2.1.1",
         "json-rpc-error": "^2.0.0",
         "promise-to-callback": "^1.0.0"
       },
@@ -17950,6 +18103,15 @@
             "async": "^2.4.0"
           }
         },
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
         "bn.js": {
           "version": "4.11.6",
           "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
@@ -18020,6 +18182,19 @@
             "strip-hex-prefix": "1.0.0"
           }
         },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
+        },
         "pify": {
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -20692,6 +20867,19 @@
             "object-assign": "^4.0.0"
           }
         },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
+        },
         "obs-store": {
           "version": "2.4.1",
           "resolved": "https://registry.npmjs.org/obs-store/-/obs-store-2.4.1.tgz",
@@ -20728,6 +20916,28 @@
         "pump": "^3.0.0"
       },
       "dependencies": {
+        "babelify": {
+          "version": "7.3.0",
+          "resolved": "https://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
+          "requires": {
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
+          }
+        },
+        "json-rpc-engine": {
+          "version": "3.7.3",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
+          "integrity": "sha512-+FO3UWu/wafh/+MZ6BXy0HZU+f5plwUn82FgxpC0scJkEh5snOjFrAAtqCITPDfvfLHRUFOG5pQDUx2pspfERQ==",
+          "requires": {
+            "async": "^2.0.1",
+            "babel-preset-env": "^1.3.2",
+            "babelify": "^7.3.0",
+            "clone": "^2.1.1",
+            "json-rpc-error": "^2.0.0",
+            "promise-to-callback": "^1.0.0"
+          }
+        },
         "loglevel": {
           "version": "1.6.1",
           "resolved": "https://registry.npmjs.org/loglevel/-/loglevel-1.6.1.tgz",
@@ -23764,7 +23974,7 @@
       "dependencies": {
         "babelify": {
           "version": "7.3.0",
-          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
           "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
           "requires": {
             "babel-core": "^6.0.14",
@@ -32565,6 +32775,7 @@
       "version": "3.1.5",
       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
       "integrity": "sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==",
+      "dev": true,
       "requires": {
         "is-typedarray": "^1.0.0"
       }
@@ -33590,6 +33801,7 @@
       "resolved": "https://registry.npmjs.org/web3/-/web3-0.20.3.tgz",
       "integrity": "sha1-yqRDc9yIFayHZ73ba6cwc5ZMqos=",
       "requires": {
+        "bignumber.js": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
         "crypto-js": "^3.1.4",
         "utf8": "^2.1.1",
         "xhr2": "*",
@@ -33598,7 +33810,7 @@
       "dependencies": {
         "bignumber.js": {
           "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
-          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
+          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git"
         }
       }
     },
@@ -33996,7 +34208,8 @@
       "dev": true,
       "requires": {
         "underscore": "1.8.3",
-        "web3-core-helpers": "1.0.0-beta.34"
+        "web3-core-helpers": "1.0.0-beta.34",
+        "websocket": "git://github.com/frozeman/WebSocket-Node.git#7004c39c42ac98875ab61126e5b4a925430f592c"
       },
       "dependencies": {
         "underscore": {
@@ -34006,8 +34219,9 @@
           "dev": true
         },
         "websocket": {
-          "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-          "from": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+          "version": "git://github.com/frozeman/WebSocket-Node.git#7004c39c42ac98875ab61126e5b4a925430f592c",
+          "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
+          "dev": true,
           "requires": {
             "debug": "^2.2.0",
             "nan": "^2.3.3",
@@ -34621,7 +34835,8 @@
     "yaeti": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
-      "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
+      "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc=",
+      "dev": true
     },
     "yallist": {
       "version": "2.1.2",
diff --git a/package.json b/package.json
index c38711aad..6217dfe5a 100644
--- a/package.json
+++ b/package.json
@@ -156,7 +156,7 @@
     "iframe-stream": "^3.0.0",
     "inject-css": "^0.1.1",
     "jazzicon": "^1.2.0",
-    "json-rpc-engine": "^3.7.3",
+    "json-rpc-engine": "^3.7.4",
     "json-rpc-middleware-stream": "^1.0.1",
     "jsonschema": "^1.2.4",
     "lodash.debounce": "^4.0.8",
diff --git a/test/e2e/metamask.spec.js b/test/e2e/metamask.spec.js
index 38246a044..13af6cb22 100644
--- a/test/e2e/metamask.spec.js
+++ b/test/e2e/metamask.spec.js
@@ -201,17 +201,17 @@ describe('Metamask popup page', function () {
     })
 
     it('balance renders', async function () {
-      await delay(200)
+      await delay(500)
       const balance = await driver.findElement(By.css('#app-content > div > div.app-primary.from-right > div > div > div.flex-row > div.ether-balance.ether-balance-amount > div > div > div:nth-child(1) > div:nth-child(1)'))
       assert.equal(await balance.getText(), '100.000')
       await delay(200)
     })
 
     it('sends transaction', async function () {
-     const sendButton = await driver.findElement(By.css('#app-content > div > div.app-primary.from-right > div > div > div.flex-row > button:nth-child(4)'))
-     assert.equal(await sendButton.getText(), 'SEND')
-     await sendButton.click()
-     await delay(200)
+      const sendButton = await driver.findElement(By.css('#app-content > div > div.app-primary.from-right > div > div > div.flex-row > button:nth-child(4)'))
+      assert.equal(await sendButton.getText(), 'SEND')
+      await sendButton.click()
+      await delay(200)
     })
 
     it('adds recipient address and amount', async function () {