provider - enable subscription support (newHeads, logs)

1 files changed, 277 insertions, 78 deletions

diff --git a/package-lock.json b/package-lock.json
index c9959b658..0f0b109a2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5469,8 +5469,7 @@
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       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/btoa/-/btoa-1.2.1.tgz",
-      "integrity": "sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g==",
-      "dev": true
+      "integrity": "sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g=="
     },
     "buffer": {
       "version": "5.1.0",
@@ -9605,7 +9604,7 @@
         },
         "eth-json-rpc-middleware": {
           "version": "1.6.0",
-          "resolved": "http://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-1.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-1.6.0.tgz",
           "integrity": "sha512-tDVCTlrUvdqHKqivYMjtFZsdD7TtpNLBCfKAcOpaVs7orBMS/A8HWro6dIzNtTZIR05FAbJ3bioFOnZpuCew9Q==",
           "requires": {
             "async": "^2.5.0",
@@ -9644,12 +9643,12 @@
         },
         "node-fetch": {
           "version": "2.1.2",
-          "resolved": "http://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
           "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U="
         },
         "whatwg-fetch": {
           "version": "2.0.4",
-          "resolved": "http://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
+          "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
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         }
       }
@@ -9731,46 +9730,60 @@
       }
     },
     "eth-json-rpc-filters": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/eth-json-rpc-filters/-/eth-json-rpc-filters-2.1.1.tgz",
-      "integrity": "sha512-FSFcCMJ1lRS8az1LhIK5Klima8Hyfv4keKSdW2MA3zwiN/wX1NKb/sQSEFO3nstPUqR2Aa02lVokp85UnnrBlA==",
-      "requires": {
-        "await-semaphore": "^0.1.1",
-        "eth-json-rpc-middleware": "^1.6.0",
-        "ethjs-query": "^0.3.6",
-        "json-rpc-engine": "^3.4.0",
-        "lodash.flatmap": "^4.5.0"
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/eth-json-rpc-filters/-/eth-json-rpc-filters-3.0.1.tgz",
+      "integrity": "sha512-F/UbtD47UnZDFILYP5GJLklYQ7witEI9TdCLgw0r4iag8ZLzz5h4Q+9odg2ASVZKkm8E50mrb7PaYCK0thVxfw==",
+      "requires": {
+        "await-semaphore": "^0.1.3",
+        "eth-json-rpc-middleware": "^2.6.0",
+        "ethjs-query": "^0.3.8",
+        "json-rpc-engine": "^3.8.0",
+        "lodash.flatmap": "^4.5.0",
+        "safe-event-emitter": "^1.0.1"
       },
       "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",
-          "integrity": "sha512-tDVCTlrUvdqHKqivYMjtFZsdD7TtpNLBCfKAcOpaVs7orBMS/A8HWro6dIzNtTZIR05FAbJ3bioFOnZpuCew9Q==",
+          "version": "2.6.0",
+          "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-2.6.0.tgz",
+          "integrity": "sha512-IziwA0IXzxCVgruvb0KzhypAdRNM6QBC6LOlXQrzr8ddo3in+PGzl9tMV79TGFoRoRfsysnjbvOKwMnQJADkIw==",
           "requires": {
             "async": "^2.5.0",
+            "btoa": "^1.2.1",
+            "clone": "^2.1.1",
             "eth-query": "^2.1.2",
+            "eth-sig-util": "^1.4.2",
             "eth-tx-summary": "^3.1.2",
             "ethereumjs-block": "^1.6.0",
             "ethereumjs-tx": "^1.3.3",
             "ethereumjs-util": "^5.1.2",
             "ethereumjs-vm": "^2.1.0",
             "fetch-ponyfill": "^4.0.0",
-            "json-rpc-engine": "^3.6.0",
+            "json-rpc-engine": "^3.6.3",
             "json-rpc-error": "^2.0.0",
             "json-stable-stringify": "^1.0.1",
+            "pify": "^3.0.0",
             "promise-to-callback": "^1.0.0",
+            "safe-event-emitter": "^1.0.1",
             "tape": "^4.6.3"
           }
         },
+        "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"
+          }
+        },
+        "ethereumjs-abi": {
+          "version": "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"
+          }
+        },
         "ethereumjs-util": {
           "version": "5.2.0",
           "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
@@ -9803,19 +9816,6 @@
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             "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"
-          }
         }
       }
     },
@@ -9889,9 +9889,9 @@
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     },
     "eth-json-rpc-middleware": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-2.5.0.tgz",
-      "integrity": "sha512-SVBP7U23JMd8HBp6uxh4BPbvrbtOsRI+otMCLCTtvH95MlvzuRDJZl5BQNIXZi7CNTEXjQZVcGAKLizlnc7zMQ==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/eth-json-rpc-middleware/-/eth-json-rpc-middleware-3.0.0.tgz",
+      "integrity": "sha512-t8ajxmUodXP7WAMXKrB8jCU05BE/iSXxLeiXCmC++FWAUXhnBV3+Li1ca0q4w+swmQYsSXZnViLw5w5+I/9IpA==",
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         "async": "^2.5.0",
@@ -9910,6 +9910,7 @@
         "json-stable-stringify": "^1.0.1",
         "pify": "^3.0.0",
         "promise-to-callback": "^1.0.0",
+        "safe-event-emitter": "^1.0.1",
         "tape": "^4.6.3"
       },
       "dependencies": {
@@ -18024,15 +18025,16 @@
       "dev": true
     },
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-      "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.4.tgz",
-      "integrity": "sha512-urQunMR6LYIPhGs6ppLGqdwSVkllaVa70Em9uGYgEi5iqG3/oKYZM0B9C9EaRfih30k+tztDn2GG9eHbuaMmwg==",
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.8.0.tgz",
+      "integrity": "sha512-6QNcvm2gFuuK4TKU1uwfH0Qd/cOSb9c1lls0gbnIhciktIUQJwz6NQNAW4B1KiGPenv7IKu97V222Yo1bNhGuA==",
       "requires": {
         "async": "^2.0.1",
-        "babel-preset-env": "^1.3.2",
+        "babel-preset-env": "^1.7.0",
         "babelify": "^7.3.0",
         "json-rpc-error": "^2.0.0",
-        "promise-to-callback": "^1.0.0"
+        "promise-to-callback": "^1.0.0",
+        "safe-event-emitter": "^1.0.1"
       },
       "dependencies": {
         "babelify": {
@@ -18055,15 +18057,16 @@
       }
     },
     "json-rpc-middleware-stream": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/json-rpc-middleware-stream/-/json-rpc-middleware-stream-1.0.1.tgz",
-      "integrity": "sha512-IR6cOO6B21NdLpiYblueB3O+g3UAYLIZd6ZgZfddVPl0z6vSECcpuiYnV5MmIMJY3D0fLYpJqOxYaEmLYQqTtA==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/json-rpc-middleware-stream/-/json-rpc-middleware-stream-2.1.0.tgz",
+      "integrity": "sha512-JxX+kbS9sDMHvnADFLlV/QtkgeIYVF/2R8UuxXaiZc7ntVEgi/lkzMGbGkDwdRg36rHnUIvCZk6zR/5Y3bAq1w==",
       "requires": {
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         "eth-block-tracker": "^2.1.2",
         "ethjs-query": "^0.2.9",
-        "json-rpc-engine": "^3.0.1",
-        "readable-stream": "^2.3.3"
+        "json-rpc-engine": "^3.8.0",
+        "readable-stream": "^2.3.3",
+        "safe-event-emitter": "^1.0.1"
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       "dependencies": {
         "async-eventemitter": {
@@ -18082,11 +18085,6 @@
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           }
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-          "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
-        },
         "eth-block-tracker": {
           "version": "2.3.1",
           "resolved": "https://registry.npmjs.org/eth-block-tracker/-/eth-block-tracker-2.3.1.tgz",
@@ -18127,6 +18125,22 @@
             "is-hex-prefixed": "1.0.0",
             "number-to-bn": "1.7.0",
             "strip-hex-prefix": "1.0.0"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.11.6",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
+              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
+            },
+            "ethjs-util": {
+              "version": "0.1.3",
+              "resolved": "https://registry.npmjs.org/ethjs-util/-/ethjs-util-0.1.3.tgz",
+              "integrity": "sha1-39XqSkANxeQhqInK9H4IGtp4u1U=",
+              "requires": {
+                "is-hex-prefixed": "1.0.0",
+                "strip-hex-prefix": "1.0.0"
+              }
+            }
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@@ -18143,26 +18157,17 @@
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-        "ethjs-util": {
-          "version": "0.1.3",
-          "resolved": "https://registry.npmjs.org/ethjs-util/-/ethjs-util-0.1.3.tgz",
-          "integrity": "sha1-39XqSkANxeQhqInK9H4IGtp4u1U=",
-          "requires": {
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         "json-rpc-engine": {
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+          "version": "3.8.0",
+          "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.8.0.tgz",
+          "integrity": "sha512-6QNcvm2gFuuK4TKU1uwfH0Qd/cOSb9c1lls0gbnIhciktIUQJwz6NQNAW4B1KiGPenv7IKu97V222Yo1bNhGuA==",
           "requires": {
             "async": "^2.0.1",
-            "babel-preset-env": "^1.3.2",
+            "babel-preset-env": "^1.7.0",
             "babelify": "^7.3.0",
-            "clone": "^2.1.1",
             "json-rpc-error": "^2.0.0",
-            "promise-to-callback": "^1.0.0"
+            "promise-to-callback": "^1.0.0",
+            "safe-event-emitter": "^1.0.1"
           }
         },
         "pify": {
@@ -20828,6 +20833,13 @@
         "pump": "^1.0.2"
       },
       "dependencies": {
+        "async-eventemitter": {
+          "version": "github:ahultgren/async-eventemitter#fa06e39e56786ba541c180061dbf2c0a5bbf951c",
+          "from": "github:ahultgren/async-eventemitter#fa06e39e56786ba541c180061dbf2c0a5bbf951c",
+          "requires": {
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+          }
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         "babelify": {
           "version": "7.3.0",
           "resolved": "https://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
@@ -20837,6 +20849,78 @@
             "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",
+          "integrity": "sha512-NamWuMBIl8kmkJFVj8WzGatySTzQPQag4Xr677yFxdVtIxACFbL/dQowk0MzEqIKk93U1TwY3MjVU6mOcwZnKA==",
+          "requires": {
+            "async-eventemitter": "github:ahultgren/async-eventemitter#fa06e39e56786ba541c180061dbf2c0a5bbf951c",
+            "eth-query": "^2.1.0",
+            "ethereumjs-tx": "^1.3.3",
+            "ethereumjs-util": "^5.1.3",
+            "ethjs-util": "^0.1.3",
+            "json-rpc-engine": "^3.6.0",
+            "pify": "^2.3.0",
+            "tape": "^4.6.3"
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
+          "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "ethjs-util": "^0.1.3",
+            "keccak": "^1.0.2",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1",
+            "secp256k1": "^3.0.1"
+          }
+        },
+        "ethjs-format": {
+          "version": "0.2.2",
+          "resolved": "https://registry.npmjs.org/ethjs-format/-/ethjs-format-0.2.2.tgz",
+          "integrity": "sha1-1zs6YFwuElcHn3B3/VRI6ZjOD80=",
+          "requires": {
+            "bn.js": "4.11.6",
+            "ethjs-schema": "0.1.5",
+            "ethjs-util": "0.1.3",
+            "is-hex-prefixed": "1.0.0",
+            "number-to-bn": "1.7.0",
+            "strip-hex-prefix": "1.0.0"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.11.6",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
+              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
+            },
+            "ethjs-util": {
+              "version": "0.1.3",
+              "resolved": "https://registry.npmjs.org/ethjs-util/-/ethjs-util-0.1.3.tgz",
+              "integrity": "sha1-39XqSkANxeQhqInK9H4IGtp4u1U=",
+              "requires": {
+                "is-hex-prefixed": "1.0.0",
+                "strip-hex-prefix": "1.0.0"
+              }
+            }
+          }
+        },
+        "ethjs-query": {
+          "version": "0.2.9",
+          "resolved": "https://registry.npmjs.org/ethjs-query/-/ethjs-query-0.2.9.tgz",
+          "integrity": "sha1-om5rTzhpnpLzSyGE51x4lDKcQvE=",
+          "requires": {
+            "ethjs-format": "0.2.2",
+            "ethjs-rpc": "0.1.5"
+          }
+        },
+        "ethjs-schema": {
+          "version": "0.1.5",
+          "resolved": "https://registry.npmjs.org/ethjs-schema/-/ethjs-schema-0.1.5.tgz",
+          "integrity": "sha1-WXQOOzl3vNu5sRvDBoIB6Kzquw0="
+        },
         "json-rpc-engine": {
           "version": "3.7.3",
           "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.7.3.tgz",
@@ -20850,6 +20934,18 @@
             "promise-to-callback": "^1.0.0"
           }
         },
+        "json-rpc-middleware-stream": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/json-rpc-middleware-stream/-/json-rpc-middleware-stream-1.0.1.tgz",
+          "integrity": "sha512-IR6cOO6B21NdLpiYblueB3O+g3UAYLIZd6ZgZfddVPl0z6vSECcpuiYnV5MmIMJY3D0fLYpJqOxYaEmLYQqTtA==",
+          "requires": {
+            "end-of-stream": "^1.4.0",
+            "eth-block-tracker": "^2.1.2",
+            "ethjs-query": "^0.2.9",
+            "json-rpc-engine": "^3.0.1",
+            "readable-stream": "^2.3.3"
+          }
+        },
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@@ -20862,6 +20958,11 @@
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           }
         },
+        "pify": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
+        },
         "pump": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/pump/-/pump-1.0.3.tgz",
@@ -20874,22 +20975,120 @@
       }
     },
     "metamask-inpage-provider": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/metamask-inpage-provider/-/metamask-inpage-provider-1.1.1.tgz",
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+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/metamask-inpage-provider/-/metamask-inpage-provider-1.2.0.tgz",
+      "integrity": "sha512-NH27h4ckuKvgraTz+MGwvQXFu4zkAxSAUc74rIzt+4Q94km9gePDZOM81xiA0AA0IExzv3844PWSWaYI1fagog==",
       "requires": {
         "json-rpc-engine": "^3.7.4",
-        "json-rpc-middleware-stream": "^1.0.1",
+        "json-rpc-middleware-stream": "^2.0.0",
         "loglevel": "^1.6.1",
         "obj-multiplex": "^1.0.0",
         "obs-store": "^3.0.0",
-        "pump": "^3.0.0"
+        "pump": "^3.0.0",
+        "safe-event-emitter": "^1.0.1"
       },
       "dependencies": {
+        "async-eventemitter": {
+          "version": "github:ahultgren/async-eventemitter#fa06e39e56786ba541c180061dbf2c0a5bbf951c",
+          "from": "github:ahultgren/async-eventemitter#fa06e39e56786ba541c180061dbf2c0a5bbf951c",
+          "requires": {
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